Home

Service Manual

1. J LINN g LINN S LINN LINN LINN Y Y HOOQNI HOOQNI aE mex E Tl WX LINN SX 9 LINN Y LINN 980 900 eia 243 HOOQNI 2415 HOOQNI 643 HOOQNI 21 4 HOOQNI FEX RX 13 JSA SYA FEA IZA ALA JSA SYA 36A IZA ILA JSA IYA 36A IZA JSA SYA 36A ALA TWOLLNAG H3HLO t G GO GO GO 60 O 0 QD 40 60 dOL LINN SH ms 9 9 19 19 19 9 19 19 19 9 19 19 19 19 9 19 19 19 19 ooaLNO Ky hs SSS lt hy K N k K K k lt Bul Bil dull didi dolis nib 695566 566255 505050 000000 692566 655500 000505 5655
2. aLL09900 o C lt N33H9 Nu9 AYYY 190 NHS MOTISA MTA YNId ANd 3lIHM LHM 3 18 118 38 03 XOVT8 19 90100 8 HOLIMe aasa HS SS dio BONS in 5 1 UE ips 2 EU po X08 OdINOO 78 0138 1 AQUI LEER HOLING SE ns a 0587 IOUNS HLM 2174 212 GINOM HOLSINUSHL ____ LOU TAM 24 LINOISSINSNYEL 4000110 000110 22 13 NOISSIHNSNYU L HOOGLNO YOOQN OL NIHIM NOLLO3NNOO Od 5 3802 318833 315 SION 290 LZ ONON 9 002805 HOISINEGHL L8u OLA OLLSNDVIN Wey WNOLLdO JHL 30 IONVI NOLLWTIWLSNI JHL OL 43434 8014 0 INOLLdO JHL GST N3HM 311101083105 56 SVO 000806 128 90 WISH HEA MAYOS 1 SALLOSLOWd VN
3. Indoor unit operation ON Heating Indoor unit operation ON Heating Indoor unit operation OFF Heating ai High temperature Thermostat ON Thermostat OFF high pressure gas Heat exchanger Heat exchanger 1 Heat E High temperature C 5 5 high pressure liquid 51 1 Go Go Go WwW low pressure Y ON Fan OFF Setting Setting BH B 1 Filter Electronic expansion vave Filter Filter Electronic expansion vae Filter Filter Electronic expansion vale Filter 008 192p H z E E Wig g l p 82 ge ii Ww og ii E ii E 4 d Si ote lel ote el ote ote ate lel ate sel oe ote ste lel ope Del coger Ger geri coo Bes efi De eld corde cokes gs ss ge oss d3 g se s 55845 ge 55 Oss 2 5 5 H 5 5 5 5 5 5 8 5 5 5 5 i i 1 NIZ
4. 2 69 20 2 09 ejo o0 o Display of contents of error second digit HIP H2P Error code lt ja 2 2 2 2 gt gt first digit Display of contents of error P YL ovos gt gt gt 8 55047 5 gt 5 2 NS 2 gt gt gt B 50 0 2 gt gt 5 9 gt S S 5 me ee Sle a Zio a SR TTT T T gt 8 2 6 es 2 zo geejeee 5 a 52 M 101 Service Diagnosis Troubleshooting Remote Controller SiBE341001_D 2 5 Abnormality Remote Controller Display Applicable Models Method of Error Detection Error Dec
5. To enter the monitor mode press the No Setting item LED display Data display MODE BS1 button when in Setting H3P H6P H7P mode 17 0 Various settings O Lower 4 digits 1 C H unified address 2 noise demand address 4 AIRNET address 5 2 connected indoor units ole O O ec digits Selection of setting item 2 6 Number of connected BS units 2 Press the SET 852 button and set the LED display to a setting item 7 reed es zoneunits 8 Number of outdoor units 9 Number of BS units 4 OOo 4 digits 10 Number of BS units 4 4 digits lt Confirmation on setting contents gt 11 Number of zone units Lower digits Press the RETURN BS3 button to 12 Number of terminal units 5 p display different data of set items L 4 diaits 13 Number of terminal units 5 OO 1918 14 Contents of error the latest O Error code table Contents of error Refer to 15 1 cycle before 7401 Contents of error 16 2 cycle before
6. T 5 5 amp E E Z i S 8 ua 9 i icu M L G RU etr mu aa 5 G en 8 vosuedxa 20049918 1 equ hvepdeg 9 i 28 FH _ E voued aia i E aqm Mende 9 E 9 25 0 8 PES 2 5 EH 8E EHE 4 D mu ant 55 05 3 wegeddaqog 1 22 vosved ge oe mw G ya Ni 8 L PRA gt 85 9 H PE 8 55 58 3 o 1 uosuedr G z n NI H uosuedig auo E g mee zi i i C uas iB ouor C mee qm ueyideo 9 2 5 5 E G p 8 9 25 m 5 8 edd ag i al a ap vasted auone 88 n ud Em 85 em t 1 5 H amp NEC zE 9001093 25 25 g 85 E BH m i eua 57 89 NEAS 58 uosiedc 901298 L ua oe uxisuedi 04298 ex 7 z aoa ES amp 9 2 85 25 sung Gu mM FH prias aR ss 85 85 gt eqn 9 og 3 5 aac
7. monitor PCB Defective Defective valve Are the coil resistance and insulation normal Defective In cooling only Defective valve discharge electronic body i Defective expansion pipe subcoolin valve Defective low 2 E temperature SIS pressure sensor Are the electric characteristics normal Defective subcooling valve control Defective heat exchanger outlet Is the connector properly connected EV2 control thermistor Are the thermistor resistance characteristics normal 2 Temperature 52 18 the pressure value checked with the Increase of Service Checker corresponding to the discharge measurement value of the pressure sensor pipe Four way valve is in the Defective four middle Position lt Check if the piping temperature connected way valve to the four way valve is normal operation Leak from hot gas bypass valve Superheat due to Compressor shaft damage overheat Superheat due to defective compressor Defective indoor Betective value coil valve coil lt Are the coil resistance and insulation normal unit electronic In cooling expansion valve Defective valve body
8. CHECK SOLENOID VALVE 2 _ 9 VALVE STRAINER cS 1 4 SOLENOID VALVE r SOLENOID VALVE REFRIGERANT EXPANSION VALVE REGULATOR C9 ENS ELECTRONIC ELECTRONIC EXPANSION EXPANSION VALVE FILTER VALVE PIPE G Fan ugar PRESSURE REGULATING VALVE EXCHANGER ABSOLUTE PRESSURE TYPE SEBVICE DORT SERVICE PORT FOUR WAY VALVE PRESSURE HEAT SWITCH EXCHANGER CAPILLARY TUBE PS PIPE SOLENOID TUBE VALVE DUAL PRESSURE FOUR WAY VALVE GAS PIPE 1 exi PRESSURE SENSOR STONES HIGH PRESSURE PIPEC 1 7 Z CHECK VALVE CAPILLARY 9 SOLENOID VALVE HIGH PRESSURE SWITCH OIL SEPARATOR S1PH p CHECK VALVE N 1 1 STRAINER 1 compressor CAPILLARY STRAINER 9 VALVE SS TUBE i iis N lt SINP PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT T ACCUMULATOR c 1 WHEN RQYQ140 180PY1
9. yun lt 6 100pino gt eui uo sejqei y eyeudoudde eu pue eui Y 2215 205 Appendix SiBE341001_D Example of Connection R 410A Type 610 lt 65610 MEX Gane 075 009049008 Paus me 9 9820 v Sc 2219 669 seb 2229 O8ZOADOY JON lt 9 6 2229 619 08LOAODH 10 6 61 6 91 Ov LOAOH edid edid seo Uejs s Joopino 9215 jo 400pu G Wy uoueJq 1541 eu t oseoJou 8 sedid HUN 400pinO L sedid jo ezis ay S y eseo ay Huldid eui uo eiqei 0 15 pue 5 sedid jo 9215 eui 10 W06 S SHUN pue yy uoroeuuoo yun edid juejeuinbe y uayM
10. Diagrams for Reference iring SiBE341001_D 2 2 BS Uni BSVQ100 160 250P 082644006 WIX 5 2 2 uooaino gt 1 H3AOO 713 NO HO AK 018 TWANVW NOLIV TIVLSNI OL 929499 LSA HOLIMS did 5 2 2 208 CD 3 0 340 020 IIND sii JSA rezi NO pezi NO rezi AlddNS a 1N0 OL G NI OL 9H 9 A HOLIMS ni NIX EGLON SMOTIOS SV SHV SONILLAS Z LSA L eH KINO SHOLONGNOO H3ddOO ISN 9 sri APA 5 SV MOHS ST1OSINAS 8 wx SH gt WARNVIN NOILYTIYLSNI OL H3d3H NLX NO sH 24 13 LINN G LNO 24 14 LINN 3HL OL
11. F Outdoor Unit Multi System Capacity Number of Units RQYQ140PY1 RQYQ180PY1 Connection Piping Kit Option BHD 1 6 5HP 1 10HP 2 BHFP22P36C 13HP 2 16 3 ee 18 3 22 54 20 3 Heat Recovery Series Outdoor Unit Multi System Capacity Number of Units RQEQ140PY1 RQEQ180PY1 RQEQ212PY1 Connection Piping Kit Option 10HP 2 26 6 13HP 2 16HP 3 18 3 26 6 20 3 22HP 3 24HP 4 26 4 BHFP26P84C 28HP 4 4 1124 4 Model Selection Connectable indoor units number and capacity Heat Pump Series HP 5HP 6 5HP 10HP 13HP 16HP 18HP 20HP System name RQYQ140PY1 RQYQ180PY1 RQCYQ280PY1 RQCYQ360PY1 RQCYQ460PY1 RQCYQ500PY1 RQCYQ540PY1 Outdoor unit 1 RQYQ140PY1 RQYQ180PY1 RQYQ140PY1 RQYQ180PY1 RQYQ140PY1 RQYQ140PY1 RQYQ180PY1 Outdoor unit 2 RQYQ140PY1 RQYQ180PY1 RQYQ140PY1 RQYQ180PY1 RQYQ180PY1 Outdoor unit 3 RQYQ180PY1 RQYQ180PY1 RQYQ180PY1 Total number of connectable indoor units 8 10 16 20 26 29 33 Total capacity of connectable indoor units kW 7 0 18 2 9 0 23 4 14 0 36 4 17 8 46 2 22 5 58 5 25 0 65 0 28 0 72 8 Heat Recovery Series HP 13HP 16HP 18HP 20HP 22HP 24HP 26HP 28HP 30HP System RQCEQ
12. HOLOATAS H O 41815 TVNIAH3I d9v div WeX 8 LINN HOOQNI SHOLONGNOD H3ddOO 36079 AINO LINN S8 SHL OL S3r1ddv WvH9VIG 5161 SALON 15 1 497 1 V LINN HOOGNI LINOYIO W Linn G LUNN QW LINN 58 HOOQNI HOOQNI INex 4 8X 3 UNN V LINN 3113 3114 31191 113 OdWOO 19 SSA JCA IZA SLA SSA ICA SLA SSA ICA SLA SSA ASA TWOLLNAGI t AAA R amp 60 60 6 a amp G 6 dOL LINN 58 wee 9 9 9 o 9 9 fo posue ds hid e 9 YSX 8X VOX WSX VvX X VIX WOX WSX WX v VEX VZX VOX WSX DE NZX 1 DS a DS NIX aH e Lun GHA Sali isan m Jaaa N L GL 310NL 2608 zsa WIX zsa PNE yix V H 92 T i 912 203 Appendix SiBE341001_D Example of Connection R 410A Type 3 Example of Connection R 410A Type Heat Pump series
13. JOJO 21 lt 6 e e e e le e le SIS 9 lt lt ETTTTT 9 2 of gt 8 00 09 O O O 2 Jo Jo Jo 6 ele 6 jejeje e fe eje e s 25 elelcicielele eleje ej jejeje jo 55 85 e
14. If the indoor unit electronic Defective gas pipe 15 the connector properly connected expansion valve is thermistor of indoor unit Are the thermistor resistance characteristics normal too much Dee L control LY Defective thermistor for cigih indoor unit liquid pipe s the connector properly connected u Defective Are the thermistor resistance characteristics normal superheated degree Defective service control monitor PCB Defective _ Defective valve coil the coil resistance and insulation normal outdoor unit electronic expansion valve Defective valve body In heading If the outdoor unit Defective low pressure lt Are the electric characteristics normal electronic _ Sensor expansion valve Defective Defective suction pipe 15 the connector properly connected Es contra Are thermistor resistance characteristics normal throttled 44 Defective service 15 the pressure value checked with the Service Checker corresponding to the measurement value of the pressure sensor Refrigerant EN shortage Refer to Check 7 Abnormal piping length lt Does the piping length fall in the permissible range Bent or crashed pipe Conduct visual checks High pipe resistance Including moisture choke Eliminate moisture by vacuum operation Refer to Check 8 Stop valve closed lt Check if the stop valve is open Not
15. operation operation mode forced operation mode Change of targeted 5 n cooling used to change the targeted T 3 evaporating evaporating temperature for compressor Select high side or low side with No 8 of temperature capacity control Setting mode 2 in cooling pacity Change of targeted In heating used to change the targeted igh sj 4 condensing condensing temperature for compressor Select high side or low side with No 9 of temperature capacity control Setting mode 2 in heating pacity m Used to change a temperature at which the 5 defrost defrost operation is initiated thus making the x slow side with NO 10 of initiation easy or hard 9 Setting of m Used to start units not in sequence but eam n 6 sequential startup simultaneously Set 11 of Setting mode 2 to NONE f the compressor has a failure used to prohibit the operation of compressor s 4 For system with a single outdoor unit Set with 7 Emergency concerned or outdoor unit s concerned and No 19 or 42 to conduct emergency operation of the system only with operable compressor s or Za DES outdoor units Set with outdoor unit s RB did W Fully open the outdoor unit and indoor unit 8 Air tight test electronic expansion valves and turn B Set No 21 of Setting mode 2 to ON some of
16. sa odd onnog sie ste lel ope aie 55 54 gs 788 5 5 5 a 5 5 lg aiueo ay add amoa sHAa ene uosuedxg deuzas aqni Sn osaa onen G uona 1 STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION LIQUID PIPE CHECK SOLENOID VALVE VALVE STRAINER SOLENOID x VALVE 9 FILTER ELECTRONIC ELECTRONI amp EXPANSION SOLENOID VALVE C VALVE PRESSURE REGULATING VALVE ABSOLUTE PRESSURE TYPE REFRIGERANT REGULATOR 60 ELECTRONIC EXPANSION VALVE EXPANSION VALVE FILTER HN SERVICE PORT PRESSURE FOUR WAY VALVE 2 SWITCH PS DUAL PRESSURE o GAS PIPE SUCTION GAS FOUR WAY FILTER 8 f CAPILLARY t HEAT SNEH PRESSURE SENSOR HIGH PRESSURE CHECK VALVE FILTER LIQUID PIPE ELECTR 5
17. 17 18 1 1 RQYQ140 180PY1 140 212PY1 18 be Rica 20 2 Functional Pars ESVOUL 22 21 RQYQ140 180PY1 140 212 22 Refrigerant Flow for Each Operation 23 BOYGQTTO BOP Vis inate 23 22 280 26 Part 4 Function 1 daten te ceca aan emt 34 Th Operation Mode 34 1 27 Symbol 35 2 Detailed Control FUNCIONS 36 ZA Stop Operation Sie x 36 22 Standby 36 23 Rotation Control HHT 36 Table of Contents SiBE341001_D 2 4 Startup Control tierce 38 2 5 ODerallort dis ete e cert een tul 39 2 6 Protection tenes acca 47 2 f Special ntt ee gets 52 Part 5
18. lt Outdoor Unit gt Electric Normal Simultaneous Part Name Symbol Normal Cooling Normal Heating Cooling Heating PI control High pressure PI control High pressure PI control High pressure protection Low pressure protection Low pressure protection Low pressure Compressor MIC protection Td protection protection Td protection protection Td protection INV protection INV protection INV protection Outdoor unit heat Outdoor unit heat Condenser ooling fan control ooling fan control Outdoor unit fan M1F Cooling fan control e Outdoor unit heat e Outdoor unit heat exchanger Evaporator exchanger Evaporator Fan step 7 or 8 Fan step 7 or 8 Outdoor unit heat Outdoor unit heat exchanger Condenser exchanger Condenser ectronic expansion valve Liquid pressure control Liquid pressure control Main IE 480 pls Outdoor unit heat Outdoor unit heat exchanger Evaporator exchanger Evaporator PI control control Electronic expansion valve Subcooling control control control Electronic expansion YE 41 pls for refrigerant 41 pls for refrigerant 41 pls for refrigerant Refrigerant charge discharge discharge discharge Solenoid valve Refrigerant Y1S ON for refrigerant ON for refrigerant ON for refrigerant regulator hot gas discharge discharge discharge Suis ae 25 f
19. 96911 LAdOpsDAOOH a 1 0 n q e i 1 zrrs 220 H 690 1 2 her oxor H 9 jo Ayoedeo 210 WL x 960 1 x 960 9 60 2 ye se ose Buidid WL x 96 1 X 99 woz x 660 woz x 9 60 01 6 91 9 pue LAdOVSOADOH WL x q 69 s x 790 1 woz x 9 60 6 woz x 9 6 uoexesi e SI eseo Jepeeu 3Nd3u pue 3NJ3H 10 ejdurex3 Ayoedeo Joopino sun Joopul jo Ayoedeo 89 09804908 0 BY STL 601 001 lt 0015 V 79018 ezis 6 9215 OPSOADOY 8 9 08204208 _ 2200 jo 160 0 pudid pinby Jo 0080 BN rz 0810408 20 09 rz OrlOADH 721018 ezis 79016 9215 wufD4 azis 2 0 pinby Jo 92 0 Buidid pinby yo pue uj amp uej L 0 Jo sun eq pinous
20. suun LIN434 OvSdced4H8 spun O9Ede d4Ha spun Z 5 syJun Jo SHUN 1 jo eui Y waysks yun 100pino s 5 eui s Siu YUN 100pinO 109 95 MOH gt 079 0 9 gt gt 062 062 gt x gt 002 002 gt yy 16101 3N3H eq jouueo yun Joopui ed 092 9JON 3N 3u pejoeuuoo jo 610 eui eui 50049 Jepeou 3Nd3H 109 95 MOH suun eidurex3 8 Z 9 jurof j3NJ3H 2 SH PE suun soopur 9 1urof 13NJ3H eidurex3 18 9 1 2V96d
21. 21 rosa passe crease Sra z 3dld qunssdud ps T sv9 NOILONS HOSN3S aunss3ud HdNIS 4 SEU IANYA AVM QION3HOS Auvrilavo 1 3dld SVD 1 aunssaud EL L 1 i3dla 1v3H HOLIMS JL 3unssaud AY 7 JAVA AYM armas LL 1HOd 5 55 310 71059 USONVHOXSIVSH JAYA SNUv 10938 3unsssud ok INVA OINOHLO313 INVA Q yala erai 1NVH3OlHd3H 3A1VAGION31OS INVA Noisnyaxa OINOHLO3HH INYA INVA GIONSTOS j 5 AAWA GION310S jasn LON SI 3dld SIHL LAd0B OPLOADH N3HM 579 SI LI LAd08 OP LOAOH N3HM L Appendix 196 SiBE341001 D Piping Diagrams 1 2 BSUnit BSVQ100 160 250P Liquid pipe connection port Double pipe heat exchanger Electronic Expansion Valve EVSC Fitter Gas pipe connection port Filter Capillary tube Electronic Expansion Valve EVHS Electronic Expansion Valve EVH Filter E Electronic Expansion Valve EVLS 2 WY
22. sya uos Liquid pipe aqn Gas pipe connection port E Q alag iar uosue rq 2101098 1Aa uojsuedx3 914019913 Liguid pipe Connection port HPILP qas pi med t E sina ag uosuedrq auone B uojsuedx3 3o Suction gas pipe connection port HAa SHAD one uosiedi ouoipeg aqn 1 connection port Gas pipe B Q gna eal add 90100 oisuedy3 Liquid pipe connection pot Appendix S SiBE341001 D for Reference iagrams D iring Wi for Reference iagrams D Outdoor Uni iring 2 2 1 RQYQ140 180 1 RQEQ140 180 212PY1
23. SHA uolsuedx3 9 Liquid pipe connection port eqm fuejide Eg e 09 3 ONLA ieu edid uoisuedx3 Gas pipe connection port 113 eng 1 UoISuedX3 2100 0913 Liquid pipe connection port HPILP gas pipe connection port STAI ane 1 uoisuedx3 21042913 29114 uojsuedx3 21042913 Suction gas pipe connection port E SHA alll 21042913 1919 i eqn fuejide e 0S3 NEA ay adid ajqnoq x uoisuedx3 Gas pipe connection port Liquid pipe connection port 198 Appendix SiBE341001_D Piping Diagrams BSV6Q100P ONA uorsuedx3 301293 E supa 3iuoiper3 3D064149A 9 jid Uoisuedx oiuonerg HAa SHAD one TT uoste ouoipeg TH aqn Gas pipe connection port mia iiiar 901281 Q Ruang Liquid pipe connection port 6109
24. Filter Electronic Expansion Valve EVL e 7 Liquid pipe connection port Dual pressure gas pipe connection port Suction gas pipe connection port 4D057985B Appendix 197 Diagrams SiBE341001_D BSV4Q100P 1 3 uolsuedx3 20049914 30064148 H 51 3 AeA 193 UoIsuedx3 21002919 pui e HA3 1915 uolsuedx3 2 042914 SHAA ONEA Ee uoisuedx3 4 1914 eqn m Dine a 89190 ono 19113 uoisuedxg guoa Gas pipe connection port 1 3 uolsuedx3 21009919 Liquid pipe connection port 5143 19115 uoisuedx3 21000919 HA3 29114 uoisuedx3 GHA3 29114 uolsuedx3 E eqm P ISA add gnog 1915 uolsuedx3 20042914 connection port 143 aE uoisuedx3 Liquid pipe connection port S743 ap laua uoisuedx3 2100 2919 HAA NLA laua uoisuedx3 20042913
25. NIZ i STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION 7 5 7 7 __ __ 7 7 7 SOLENOID VALVE 7 7 7 7 EE 9 VANE 5 9 SOLENOID VALVE 9 5 JID REFRIGERANT ELECTRONIC SOLENOID VAIVE EXPANSION VALVE ELECTRONIC ELECTRONIC LIQUID PIPE FILTER EXPANSION VALVE EXPANSION VALVE H EXCHANGER N SERVICE PORT i PRESSURE SWITCH EXCHANGER CAPILLARY TUBE PS PIPE gt B4 i DUAL PRESSURE CAPILLARY TUBE GASPIPE saa PRESSURE SENSOR FOUR WAY VALVE HIGH PRESSURE SUCTION GAS PIPE GORGE CAPILLARY CHECK VALVE 9 FOUR WAY VALVE TUBE FILTER ES n HIGH PRESSURE SOLENOID I i VALVE CHECK VALVE OIL SEPARATOR CHECK i VALVE STRAINER FILTER 2 CAPILLARY i STRAINER 8 VALVE py N 4 PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE 4 MIXING UNIT ACCUMULATOR 4 TEE 1 j 7 A STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION 7 7 7 3 i 7 7 7 CHECK x 2 i 7 SOLENOID VALVE B D 7 7 B 9 VALE T STEER 9 SOLENOID VALVE FILTER 5 T 7 ELECTRONIC SOLENOID VALVE REFRIGERANT EXPANSION VALVE REGULATOR m ELECTRONIC ELECTRONIC FILTER EXPANSION VALVE EXPANSION VALVE G H PRESSURE REGULATING
26. Press and hold the BS1 Normal Press the BS1 MODE MODE for 5 seconds 1 time Setting mode 2 Setting mode 1 Monitor mode MODE Press the BS1 MODE MODE MODE ON 1 time Blinking H1P H1P H1P 70 Field Setting SiBE341001_D Field Setting from Outdoor Unit 2 4 Setting Mode 1 This mode is used to set and check the following items 1 Set items In order to make COOL HEAT selection in a batch of outdoor unit group change the setting e COOL HEAT selection IND Used to select COOL or HEAT by individual outdoor unit factory setting e COOL HEAT selection MASTER Used to select COOL or HEAT by outdoor unit group with the master unit e COOL HEAT selection SLAVE Used to select COOL or HEAT by outdoor unit group with the slave unit 2 Check items The following items can be checked 1 Current operating conditions Normal Abnormal In check operation 2 Setting conditions of COOL HEAT selection Individual Batch master Batch slave 3 Low noise operating conditions In normal operation In low noise operation 4 Demand operating conditions In normal operation In demand operation Procedure for changing COOL HEAT selection setting Normally Setting mode 1 is set In case of other status press MODE BS1 button 1 time and set to Setting mode 1 O ON e OFF 9 Blink
27. ow night noise 27 operation end O 7 00 setting About 8 00 factory setting Power transistor OFF 28 mode O O O ON 7444474 29 Capacity priority OFF setting ON 0900000 60 demand 30 Demand setting 1 O 70 demand 80 demand Normal demand OFF 09000000 32 setting O O ON 0909000900 Setting of difference Normal 35 in elevation for the O O 0000000 outdoor unit 65 m or less ox X X Jer 16 Emergency operation OFF 09000000 Master unit with 38 multi outdoor unit inhibited to Master unit operation Inhibited OK A A X JOL Emergency operation OFF 09000000 unit system is Slave unit 1 operation Inhibited O inhibited to operate Emergency operation OFF 0900000 CO O O amie inhibited to Slave unit 2 operation Inhibited OC e e eo Automatic judgement Master slave set up Bas 9 51 for multi outdoor O O O 1 units Slave 2 OL X A A JOLO Slave 3 OK A A JOLA Field Setting 75 Field Setting from Outdoor Unit SiBE341001_D 2 6 Monitor Mode
28. uonoeuuoo yun 100pino 161 edid juejewnb3 yun 100pjno pue Buidid yun 5 Hun 400pino 0 uonoeuuoo jun 16 edid penoy pue jenyoy yun Joopino 16 uee weg 5 01 Z Buidid 1910 uosuspe gio Jed wy ejejnojeo iun sg LAd00LO9ASS PU LAdOOLOPASA 10 9520 uj sasodind 10 eq 0 OSZOASE 10 1941 eq 01 091 OOLOASA JO 1941 eq jepeeu 3N3U 101841 0 eq oj jurof 4 43 Jo Dug edid juejewnbe ewnssy Lala 1 5 YUN pue Zx 100p no edid 1 SZ daoa 0 5 0 2 8 woz s d u w e g woz 5 T q e o ejduex3 55 2 8 ejduex3 yua j woz gt JOOpu pue Z 100p no uiBue edid edid enjoy yun Joopul ay uees Buidid uonoeuuoo JOOPING 1511 BY O Joopino Ajuo 8147 Ajuo soopyy 9 6 Ajuo soopyy 8 Z ipods paa z eiaissod 5 1un 100pu eigissod uon
29. Outdoor i External Outdoor Outdoor unit group pod control unit group unit group slave 0 i adaptor No 1 master No 1 slave No 1 External Outdoor Outdoor control unit group unit group adaptor 0 master 0 slave 0 i DS2 DSI C H group address E EE Outdoor Outdoor unit group unit group External control Outdoor unit group slave No 2 External Outdoor Outdoor control unit group unit group adaptor No 3 master No 3 slave No 3 adaptor No 2 master No 2 slave No 2 Address setting for and Set lower 5 digits with binary number No 0 to No 31 Address Outdoor unit PCB LED External control adaptor for outdoor unit No Set with setting mode 2 DS2 me oe uu En m Ex 0 ee sd OD E 0 No 1 oe 1 2 oe 2 2 oe 0000 i 3 No 4 oe 8800080 4 30 i 30 No 31 i 31 O Upper position ON E lower position OFF The shaded part shows knob 82 Field Setting SiBE341001 D Field Setting from Outdoor Unit 5 Set Cool Heat at All Outdoor Unit Systems Simultaneously for Each Outdoor Unit External Control Ada
30. 9 UOZxS69 96 ul 60 69 1 uorxv90 0 0 A 960 6 UOLXS60 9 we x 10 960 5 960 0 660 610 9 xe 66 1 uozxge u uorxce uorxc6 e 61928 969 LL HUD Jo Ajoedeo 910 LAd8v8O3O0 ueis s edid uoee pue y 10 jepeeu 3N 3H pue 3N 3u youesg 10 ejdurex3 790 je 9215 66018 9215 Ajoedeo 22007 ST ponn i T FS sun jo 0 40 SHUN ui Ayoedeo jo onea 99 v 991 87803009 26 07903009 121018 ezis 651018 925 91803009 76 00803009 pinby yo 1 pinby jo eq ___ re 09708009 201 210 sp 810 o1 jue1e6uje euonippv 7 Sel 2 050084 89 0903909 m 25 w 61918 828 w 222916 fq x jo x Buidid pinby jo eq i i 920 sial 480 ero je
31. pun eun iuapuedapu uapuedepu ay sejqei y Burdid eeudojdde eu 109199 pue eui 2215 edid Appendix 208 SiBE341001_D Example of Connection R 410A Type yun jun Sag 3 uoueJq 15 7 9215 edid Ajuo aseasoul E sedid urew z yun 400pinO L mojaq 87803504 Ler re adid pue edid uonons jo 2215 9 JOU 3908 1u8u y o1 peseejoul eq 15 6 19191 epis E al 6 24 EL 4097 09203908 au uo sedid 9215 y JO si Spun pue Lich 96 408203004 uonoeuuoo yun edid y ueuw edid pinbr1 ueis s dion JO 5168 lt 68 1 A 9 0 5 991 2200 02 6400 991 2 0 x e gro 92 0 091 u
32. Filter Electronic expansion vave Filter Normal Filter Electronic expansion vave Filter 192 pis Filter Electronic expansion vave Filter Forced thermo ON g 7 k E E 8 H H E H 5 E E 18 8 g si 3 ab aes ote le gig ate E 258 258 Zsa 43 9 4 5 95243 954 258 Sa 43 9 5 3 5 5 g 5 E 3 3 3 jel 5 5 5 5 5 5 i STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION L4 7 7 7 __ 7 7 VALVE 7 7 VALVE i pH 3 TK SOLENOID VALVE 9 FILTER ID i ELECTRONIC SOLENOID VALVE REFRIGERANT REGULATOR EXPANSION VALVE L ELECTRONIC ELECTRONIC LIQUID PIPE I EXPANSION VALVE EXPANSION VALVE E HEAT PRESSURE REGULATING VALVE EXCHANGER ABSOLUTE PRESSURE TYPE FOUR WAY VALVE PORT PRESSURE HEAT SWITCH EXCHANGER CAPILLARY TUBE PS PIPE N 1 SOLENOID DUAL PRESSURE GASPIPE PRESSURE SENSOR d H
33. 20 Contents of retry the latest 21 Contents of retry 1 cycle before Press the RETURN 853 button and switches to the initial status of 22 Contents of retry 2 cycle before Monitor mode Number of multi connection 25 outdoor units Lower 6 digits numbers the column represent the number of times to press the Press the MODE BS1 button and SET BS2 button returns to Setting mode 1 Note 1 2 8 4 5 Number of connected indoor units Used to make setting of the number of indoor units connected to an outdoor unit Number of connected BS units Used to make setting of the number of BS units connected to an outdoor unit Number of outdoor units Used to make setting of the number of outdoor units connected to DIII NET that is one of the communication lines Number of BS units Used to make setting of the number of BS units connected to DIII NET that is one of the communication lines Number of terminal units Used to make setting of the number of indoor units connected to DIII NET that is one of the communication lines Only available for VRV indoor units 76 Field Setting SiBE341001_D Field Setting from Outdoor Unit Setting item 0 Display contents of Number of un
34. OdINOO NO 1991 3OIAH3S HO 3018 018 5 10 SY MOHS STOSINAS 8 13802 31iHH33 Ha JSION 5 72 97 1995 WaMOd Sd 18 OL 99499 Z 150 HOLIMS did HOS TWANYW NOLWTIVLSNI OL 43434 NIV INVA NOISNYAX3 JINOHLOSTH N33H9 HOLINOW 39IAH3S 2 398vHOSIQ SATVA NOISNYAXS 9INOHLO3 5 13 zsa 52 TS S OLONEIM EO NOLLONS ENS SATA NOISNXa 28082318 SEA 1062 VSL 1 SSN nts 220 Ree ER WoX NO 9 ONY 8 Y STYNINHAL OL LI 1238802 398280 NO SGS 210812313 IZA HOLIMS did 5 15 NO m i Bm 4HOSS320Y TYNOLLdO 80125138 1 3 1002 JHL NISN N3HM GR zm NOISNYaX3 OINOHLO3 T3 QuvO8 LINDHIO 0212 g LINN H1HV3 3ALLO310Hd ONIMIM 01314 41415 WZX WeX IND HOS 2 0031 84 9 dey ui 90103735 H O 15 v LINN V LINN dV SHOLONGNOD 38079 ANO LINN S8 IHL OL S3riddv SIHL 71 SALON
35. RQCEQ RQCEQ RQCEQ RQCEQ y 280PY1 360PY1 460PY1 500PY1 540PY1 636PY1 712PY1 744PY1 816PY1 848PY1 Outdoor unit 1 RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ 140PY1 180PY1 180PY1 180PY1 180PY1 212PY1 212PY1 212PY1 212PY1 212PY1 Outdoor unit 2 RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ 140PY1 180PY1 140PY1 180PY1 180PY1 212PY1 180PY1 212PY1 212PY1 212PY1 Outdoor unit 3 RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ RQEQ 140PY1 140PY1 180PY1 212PY1 180PY1 180PY1 212PY1 212PY1 140PY1 140PY1 180PY1 212PY1 Total number of connectable indoor units 16 20 26 29 33 36 40 43 47 50 Total capacity of connectable 14 0 18 0 23 0 25 0 27 0 31 8 35 6 37 2 40 8 42 4 indoor units kW 36 4 46 2 59 8 65 0 70 2 82 7 92 6 96 7 106 110 General Information SiBE341001_D Part 2 Specifications TeT Te T 6 Outdoor 6 1 2 up deccm ce ca 15 Specifications 5 Specifications SiBE341001_D 1 Specifications 11 Outdoor Units Heat Pump Series lt RQ C YQ P gt Model Name RQYQ140PY1 RQYQ180P
36. 5V Connector for low pressure sensor Blue 4 Red Mur 3 Black Micro computer A D input 2 White 1 Make measurement of DC voltage between these wires le a ziei 4 Refer to P 180 108 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 9 Inverter Compressor Motor Lock Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes RQYQ PY1 RQEQ PY1 Inverter PCB takes the position signal from UVW line connected between the inverter and compressor and the error is detected when any abnormality is observed in the phase current waveform This error will be output when the inverter compressor motor does not start up even in forced startup mode Inverter compressor lock High differential pressure 0 5MPa or more Incorrect UVW wiring Defective inverter PCB Stop valve is not opened Service Diagnosis 109 Troubleshooting Remote Controller SiBE341001 D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the stop valve NO s togal factor open Open the stop valve Are the relay wires NO to the uia Replace the relay wires and correct ensure right
37. e med uonoeuuoo yy uoueJq pue Sg Sg pue uoueJq SIN uoueiq 9 92 edA 8780 222 619 eve SoA 9180 edA 9800 ad 2120 edA 9290 esi 992 pozo 222 0050 221 5 edA 0970 691 5 edA 0980 221 66 2229 161 98209 222 0626 9215 9215 9215 9215 9215 9715 Uleis s WNWIXEN pJepuejs pJepuejs jun edid edid edid seb jo eureu apo ezis adj 26082 eui uy 9199 OU WO 950040 e yy pue 2 yun v uoueiq pue usemjeq Buidid uonoeuuoo ninw Joopino usemjeq Joopyno pue uonoeuuoo 100pino IL IL ILES i
38. 200 2 2 BS Unit 3 Example of Connection R 410A Type Appendix 195 SiBE341001 D iagrams D iping 1 P iagrams ing D Outdoor Uni iping 1 1 RQYQ140 180PY1 RQEQ140 180 212PY1 801099006 NOLLO3NNOO gt 1HOd SOIAWAS HLIM SATVA 4015 uo1vinWnoov EM LINN ONIXIN ac FINA GIONS OS acs HOSNAS aunssaud NLS 5 N ANI JAYA MOSHO YANIVHIS HOSS3HdWOO k 1 INVA 27 fai Sas N PS 3AIVAxO3HO 5 HO1VHVd3S 110 HOLIMS 1 5 SATIVA 3unss3ud H9IH dIONa10S EN oN AYM NOS
39. MODE TEST COOL HEAT select Low IND 5 noise 72791 Setting displaying item H2P 7 H3P H4P H5P H6P Press the SET 52 button to set _ For selection by individual outdoor the blinking of LED to any of unit factory setting conditions shown on the right For selection in a batch of outdoor unit group with master unit For selection batch of outdoor unit group with slave unit Press the RETURN BS3 button to Pressing the RETURN 853 button will return the system to the initial condition of determine the setting Setting mode 1 Procedure for checking check items The system is normally set to Setting mode 1 Should the system be set to any HEAT select mode other than that press the MODE TEST select Low lemand MODE BS1 button to set the HIP IND SLAVE iss H7P system to Setting mode 1 EIE HP B e O e e e e e Normal OAbnormal preparation or in check operation gt Current operating conditions Check the system for each condition through LED displays Refer to information in table on the right gt Setting of COOL HEAT selection Oe e By individ
40. ipe 7 CHECK VALVE FOUR WAY CAPILLARY VALVE L TUBE FILTER EY HIGH PRESSUR SOLENOID SWITCH OIL SEPARATOR Tu Zt CHECK 77 VALVE 1 FILTER STRAINER CHECK VALVE H COMPRESSOR TUBE Ps T SiNPL PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT TT ACCUMULATOR Wee ngs REL 1 Refrigerant Circuit 31 Refrigerant Flow for Each Operation Mode SiBE341001_D Simultaneous Cooling Heating Operation Indoor unit operation ON Coo E Thermostat ON High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Indoor unit Fan ON Setting ea Q Filter Electronic expansion valve Filter Normal ing Ind oor unit operation ON Heati Thermostat ON Fan ON Setting Filter Electronic expansion valve Normal Indoor unit operation ON Heati Thermostat ON Heat exchanger Setting Q Filter Electronic expansion vave Filter Normal waedd amog anen uoSuedxa S33 anen uorsuedx3 osaa uaa uolsuedx auon eqni tered Es 2Leupsis anen
41. 14 oj oj oj o oo lt lt 02 0 oo 2 oo 09 0 0 oo 02 oo 2 9 09 9 9
42. 9 FILTER 5 T SOLENOID VALVE REFRIGERANT REGULATOR EXPANSION VALVE FILTER t Bl j B4 ELECTRONIC ELECTRONIC LTE 4 EXPANSION VALVE EXPANSION VALVE FILTER 99 Be PRESSURE REGULATING VALVE EXCHANGER 7 ABSOLUTE PRESSURE SERVICE PORT SERVICE FOUR WAY VALVE PORT SOLENOID VALVE CAPILLARY TUBE HIGH PRESSURE HE FILTER SWITCH GG FILTER CAPILLARY COMPRESSOR TUBE sinpL PRESSURE SENSOR MIXING UNIT ACCUMULATOR SOLENOID VALVE LOW PRESSURE SINE PRESSURE SENSOR HIGH PRESSURE CHECK VALVE SEPARATOR 26 Refrigerant Circuit SiBE341001 D Refrigerant Flow for Each Operation Mode Cooling Oil Return Operation Indoor unit operation ON Cooling Indoor unit operation ON Cooling Indoor unit operation OFF Cooling a High temperature Thermostat ON Thermostat OFF high pressure gas Heat exchanger T L Heat exchanger Heat exchanger High temperature high pressure liquid Low temperature low pressure Indoor uni Goo Fan OFF Fan ON Fan ON Setting
43. Replace it to the spare Replace the outdoor unit PCB PCB YES Are the spare parts NO properly arranged Arrange correct spare PCB YES Replace the outdoor unit 170 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 12 Check 3 Check 4 900900 Wrong combination of outdoor Y Is the multi combination of NO outdoor units correct Replace it to the spare NO PCB YES Are the spare parts NO properly arranged NO Is the setting of spare PCB correct YES gt Correct the multi combination of outdoor units Replace the outdoor unit PCB Arrange correct spare PCB gt Set again and reset the power gt Replace the outdoor unit PCB Service Diagnosis 171 Troubleshooting Remote Controller SiBE341001_D 2 38 Address Duplication of Centralized Control Equipment LIL Controller Display Applicable All indoor models Models RQYQ PY1 RQEQ PY1 Method of Error The principal indoor unit detects the same address as that of its own on any other indoor unit Detection Error Decision The error decision is made as soon as the abnormality af
44. Single type Compressor step of the present situation x 0 5 Multi type 210 Hz OFF OFF upper Pe_min lt 0 25 MPa Single type 52 Hz OFF Multi type 52Hz OFF OFF upper limit Pe_min lt 0 15 MPa Pe min gt 0 29 MPa Hot gas solenoid valve ON lt 0 07 MPa Restart standby 4 times per 60 min at max Restart standby Stop due to error 3 times per 60 min at max displayed 48 Function and Control SiBE341001_D Detailed Control Functions In heating and simultaneous cooling heating operation The following control is performed in the system Pe min indicates the minimum value within the system 1 Normal Operation gt 0 23 lt 0 17 Upper limit compressor step max step gt 0 20 After 15 sec Compressor system gt Compressor system 2 step down 10 sec min 0 17 MPa 1 step up 15 sec After 10 sec Pe min Pe min 0 27 MPa 0 17 MPa Compressor system 2 step up 15 sec Pe min 0 13 MPa Compressor system Step 1 Pe 0 07 MPa Restart standby 4 times 60 min at Restart standby Stop due to error 3 times per 60 min at max display
45. SERV CE SERVICE PORT FOUR WAY VALVE PORT PRESSURE HEAT SWITCH EXCHANGER _ CAPILLARY TUBE PS PIPE d abe SOLENOID DUAL PRESSURE CAPILLARY TUBE GASPIPE U SiPH PRESSURE SENSOR FOUR WAY VALVE HIGH PRESSURE SUCTION GAS PPE FILTER 4 4 1 CAPILLARY 12 CHECK VALVE 9 TRE WAY E TUBE FILTER z lt LIA HIGH PRESSURE SOLENOID E SWITCH CHECK VALVE ze OIL SEPARATOR Zt CHECK AIN T VALVE i STRAINER 189 FILTER 1 CAPILLARY i STRAINER 9 VALVE GOMRHE SOR TUBE ig pa N Swe PRESSURE SENSOR j SOLENOID VALVE LOW PRESSURE i MIXING UNIT ACCUMULATOR D 5 7 7 STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION 7 7 7 7 7 7 7 7 7 7 __ __ 7 7 7 SOLENOID VALVE 7 D 7 B IEEE 9 VALVE STRAINER oN _ SOLENOID VALVE FILTER 5 Ras ELECTRONIC SOLENOID VALVE REFRIGERANT REGULATOR 5 EXPANSION VALVE FILTER 1 gt 54 ELECTRONIC ELECTRONIC 1 LIQUID PIPE FILTER EXPANSION VALVE EXPANSION VALVE 1 G PRESSURE REGULATING VALVE N EXCHANGER 1 ABSOLUTE PRESSURE TYPE N SERV CE SERVICE PORT FOUR WAY VALVE PORT e PRESSURE HEAT i SWITCH EXCHANGER CAPILLARY TUBE PS PIPE I SOLENOID DUAL PRESSURE CAPILLARY TUBE GAS PIPE e exi SE PRESSURE SENSOR 54 FOUR WAY VALVE HIGH PRESSURE SUCTION GAS FILTER T
46. Suction Gas Pipes 28 6mm C1220T brazing connection 28 6mm C1220T brazing connection HP LP Gas Pipes 19 1mm 1220 brazing connection 28 6mm C1220T brazing connection Weight kg 60 89 Standard Accessories IE E Drawing No C 4D064131A C 4D064132A Note 1 In case of connecting with 20 50 type indoor unit match to the size of field pipe using the attached pipe Specifications 15 Specifications SiBE341001_D Connection Range for BS Unit Components Outdoor unit model name Total capacity gr connectable indoor Number of SE indoor RQCEQ280PY1 14 0 to 36 4 56 0 16 RQCEQ360PY1 18 0 to 46 2 72 0 20 RQCEQ460PY1 23 0 to 59 8 92 0 26 RQCEQ500PY1 25 0 to 65 0 100 0 29 RQCEQ540PY1 27 0 to 70 2 108 0 33 Indoor unit total capacity RQCEQ636PY1 31 8 to 82 7 127 2 36 RQCEQ712PY1 35 6 to 92 6 142 4 40 RQCEQ744PY1 37 2 to 96 7 148 8 43 RQCEQ816PY1 40 8 to 106 163 2 47 RQCEQB848PY1 42 4 to 110 169 6 50 Note Values inside brackets are based on connection of indoor units rated at maximum capacity 200 from single outdoor units 160 from double outdoor units 13096 from triple outdoor units 16 Specifications SiBE341001_D Part 3 Refrigerant Circuit Refrigerant Circuit 18 1 1 RQYQ140 180PY1 140 212PY1 18 1 27 SBS c dai
47. Disconnect the outdoor outdoor unit transmission wiring to create the one system YES gt Normal status and then check whether or not the system is normal Does un error NO gt Install the DIII NET extension adaptor occur for all indoor units in the system YES gt Replace the indoor unit PCB Replace the outdoor unit PCB Note 1 Check the correct wiring indoor outdoor and outdoor outdoor by Installation Manual What is Auto Address This is the address automatically assigned to indoor units and outdoor units after initial power supply upon installation or after executing rewiring Keep pressing the RESET button for more than 4 seconds 178 Service Diagnosis SiBE341001 D Troubleshooting by Remote Controller 2 42 Check 0 30 Check for causes of rise in high pressure Referring to the Fault Tree Analysis FTA shown below probe the defective points Rise in high pressure Check to be su
48. Thermistor Suction pipe R5T Solenoid valve Hot gas Y4S Solenoid valve Circuit of oil return Y5S High pressure switch For INV S1PH Thermistor Outdoor air Ta R1T Service port Air tight and vacuum drying Service Charge at check operation Air tight and vacuum drying Inverter compressor INV M1C Crankcase heater 1 22 Refrigerant Circuit SiBE341001_D Refrigerant Flow for Each Operation Mode 3 Refrigerant Flow for Each Operation Mode 3 1 RQYQ140 180PY1 Cooling Operation High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Indoor unit operation ON Cooling Indoor unit operation OFF Cooling Indoor unit operation ON Cooling Thermostat ON Thermostat OFF 7 Heat exchanger E Heat exchanger 71 7 Heat exchanger E 31 8 7 Fan Fan OFF Fan ON Electronic expansion valve Electronic expansion valve 0 pls 0 pls Filter Filter Electronic expansion valve Superheated control a Filter STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION
49. s00pu 5 5 adid adid sef sef uonons COO azis Buldig edid 10 edid pue edid 410 uuinjoo edid uonons asn adid p nb pue edid eui sedid ueuM Z 14 pue yun Joopino 2215 Huldid eui peeoxe JOU 15 uornoeuuo ay jo adA Ayoedeo eouepJoooe ejqe1 AY esoou e c e 6619 619 adh 2 2 0810 2219 651 ed orLO edid edid seb edid uonong adu Aedes ezis yun 100pinO pejo euuoo eu jo ed A eui aqe eu e pue uonoeuuoo nnu 100pino ueewjeq 79209 99 709 este 9820 265 006 2229 ver 2219 ae 92 266 096 60 E 222 026 082 edid pinbr1 edid edid uonons ed Ayoedeo 9215 Joopino pejoeuuoo syun Ayoedeo e301 9 9148 y
50. This error is detected according to communications with the inverter PCB Make judgement according to communication data on whether or not the type of the inverter PCB is correct Mis matching of type of PCB Defective or no field setting after replacing main PCB N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Is the type of the NO compressor inverter correct YES Is the type of the fan NO inverter PCB A4P correct er Is the setting of DIP NO switches when replace the main PCB correct YES Does the preparation indication lamp H2P NO on the main PCB turn YES Replace it with the correct compressor inverter PCB Replace it with the correct fan inverter PCB Set the DIP switches correctly After setting Reset the power supply Rectify the connection wiring Replace the outdoor unit main PCB Service Diagnosis 143 Troubleshooting Remote Controller SiBE341001_D Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes RQYQ PY1 RQEQ PY1 Detect refrigerant shortage based on the temperature difference between low pressure or suction pipe and heat exchanger In cooling mode Low pressure becomes 0 1MPa or less In heating mode
51. 131 2 21 Momentary Overcurrent of Inverter 132 2 22 Overcurrent Abnormal of Inverter Compressor 134 2 23 Inverter Compressor Starting Abnormality 136 2 24 Transmission Error between Inverter and Main 138 2 25 Inverter Over Ripple Protection 140 2 26 Inverter Radiation Fin Thermistor Abnormality 142 2 27 Field Setting Abnormality after Replacing Main PCB or Combination Error of PCB ammonia 143 Table of Contents SiBE341001_D 2 28 Refrigerant rea 144 2 29 Reverse Phase Open Phase essen 146 2 30 Power Supply Insufficient or Instantaneous Error 147 2 31 Check Operation is not 150 2 32 Transmission Error between Indoor and Outdoor 5 151 2 33 Transmission Error between Remote Controller and Indoor Unit 154 2 34 Transmission Error Across Outdoor Units 155 2 35 Transmission Error between Main and Sub Remote Controllers 162 2 36 Transmission Error between Indoor and Outdoor Units in the Same System 163 2 37
52. Filter Electronic expansion vale Filter 192 pls E g POET af ct 53 55 ii 8g 48 1 i 8 2 a 8 5 5 ele i sir g gir E p gir Geri erii 22 1 Qi i Hace PP e st S KE TTT og 8 l 5 5 5 5 5 5 5 5 5 14 E BIZ i 2 d DS I EE LTE 1 STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION 7 7 7 7 __ __ 7 7 7 7 SOLENOID VALVE 7 7 7 7 VALVE STRAINER E SOLENOID VALVE FILTER Z T amp ELECTRONIC SOLENOID VALVE REFRIGERANT L REGULATOR EN EXPANSION VALVE pj TER BH ELECTRONIC ELECTRONIC TT LIQUID PIPE FILTER EXPANSION VALVE EXPANSI
53. Reset the operation and then restart the outdoor unit characteristics of the high pressure sensor normal NO Replace the high pressure sensor Replace the outdoor unit PCB 1 Pressure sensor subject to error code Error code Pressure sensor subject to error code Electric symbol JN High pressure sensor S1NPH 2 Voltage measurement point Outdoor unit PCB A1P E Connector for high 2 4 Red 2 2 GND 3 Black a 5 2 D Micro computer 1 White 2 A D input Lj 67 zie Measure DC voltage here p Refer to P 190 126 Service Diagnosis SiBE341001 D Troubleshooting by Remote Controller 2 18 Low Pressure Sensor Abnormality Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting i LIL RQYQ PY1 RQEQ PY1 Error is detected from the pressure detected by the low pressure sensor When the low pressure sensor is short circuit or open circuit Not less than 1 77MPa or 0 01MPa and below Defective low pressure sensor Connection of high pressure sensor with wrong connection Defective outdoor unit PCB Defective connection of low pressure sensor Be sure to turn off power switch before conne
54. 2 16 Thermistor System Abnormality LI 1 L 2 oa ac C y 4 LIC T IOT L LO Z uc P Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Error Detection The error is detected according to the temperature detected by each individual thermistor Error Decision When thermistor is disconnected or short circuited during operation Conditions Supposed Defective thermistor Causes Defective connection of connector m Defective outdoor unit PCB service monitor PCB Troubleshooting A Caution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Check connectors for connection Normal NO YES Y Remove thermistor from outdoor unit PCB then measure the resistance using a tester NO Normal YES Connect correctly Replace the thermistor Replace the outdoor unit service monitor PCB A1P Error code Defective thermistor eee Symbol Connector HS Outdoor air thermistor R1T X18A Ji Discharge pipe thermistor R2T X29A Suction pipe thermistor R5T X30A 1 Heat exchanger deicer thermistor R6T X30A n Liquid pipe thermistor ROT X30A Heat exchanger gas vet outlet thermistor R4T X29A HS Heat exchanger liquid level thermistor R3T X29A Subcooling heat exchanger liquid pipe thermisto
55. CHECK VALVE CAPILLARY FOURWAY 3 2 VALVE d SOLENOID HIGH PRESSURE SWITCH STRAINER CHECK VALVE PIESEPARATORE 1 1 N 1 1 1 FILTER VALVE a CAPILLARY i COMPRESSOR TUBE STRAINER CHECK VALVE 1 N SINPL PRESSURE SENSOR SOLENOID VALVE 7 d LOW PRESSURE 1 MIXING UNIT 1 ACCUMULATOR L L lt Discharge of refrigerant gt Open the solenoid valve Y1S and the electronic expansion valve Y2E when the load of the indoor unit high and discharge the refrigerant from the refrigerant regulator STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION S SOLENOID VALVE 2 STRAINER pin SOLENOID CHECK VALVE ELECTRONIC es SOLENOID VALVE J REFRIGERANT ELECTRONIC EXPANSION VALVE FILTER LIQUID PIPE ELECTRONIC EXPANSION VALVE HEAT EXCHANGER PRESSURE REGULATING VALVE ABSOLUTE PRESSURE N FOUR WAY VALVE PRESSURE SWITCH HEAT EXCHANGER PIPE i
56. Partial defrosting operation End met within 30 minutes Reverse cycle defrosting End heating oil return Heating oil return operation starting conditions 2 hours after initial power ON A lapse of every 1 2 hours during low load operation A lapse of every 8 hours during high load operation Part Name Symbol Partial defrosting operation Reverse cycle defrosting heating oil return Compressor M1C 124Hz 232 Hz 188 Hz Defrost unit OFF Outdoor unit fan Heating unit Fan control OFF Electronic expansion Defrost unit 480 pls valve Main Heating unit 4 pls Low pressure control 480 pls Electronic expansion valve Refrigerant Y2E SH control SH control charge Electronic expansion Y3E By Adjusting control of the refrigerant By Adjusting control of the refrigerant valve Subcooling amount amount Solenoid valve Bv Adiusti um Adjusting control of the refrigerant By Adjusting control of the refrigerant regulator Y1S amount amount Solenoid valve By Adjusti trol of the refrigerant By Adjusti trol of the refrigerant Refrigerant regulator vag Adjusting control of the refrigeran y Adjusting control of the refrigeran halal pipe amount amount Solenoid valve By Adjusting control of the refrigerant By Adjusting control of the refrigerant Refrigerant regulator Y3S 9 i
57. Solenoid valve Refrigerant regulator hot gas 15 S a Solenoid valve Refrigerant _ regulator gas vent pipe Y3S 9 gt IK Thermistor Discharge pipe P V Rer 4 18999 9 U LJ Four way valve Mixing unit 85 Pressure switch S2PH Thermistor Subcooling heat exchanger liquid pipe R8T Service port Liquid pipe Service port Gas pipe Service port Suction gas pipe Thermistor Heat exchanger deicer R6T Four way valve Dual pressure gas pipe Y7S Four way valve Heat exchanger Y6S Low pressure sensor S1NPL Inverter fan M1F Solenoid valve Mixing unit inlet N fm il d ET uU Lp UIT D L 1H el EH Y9S High pressure sensor 51
58. 0 jun Sg 2 edid pinbr edid seb edid uonong yun Sg Hun 100pino E sadid 6 apis yun Joopino apis wun pun 58 Joopu e suun 8 jo uonoeuuo2 uornoeuuoo 207 Appendix SiBE341001_D Example of Connection R 410A Type 9820 c c 0520 SSL 61 0020 9210 0010 080 90 6469 929 est 619 080 65 0 Lek ZED 920 020 669 790 d d pinbiq uo Buldid uonoeuuoo JO 9215 eui yun pue Sg WwW youelq jue1eBuje1 ueeweq Buidig 9820 gt 0101 coc 619 6 VE MA 0101 gt X S 784 982 yoz MA 784 gt X gt MA OLZ NM OLZ gt gt 029 6910 6769 toes MD OZb La 42 0 7 gt X gt 028 6 ze 982 0 6 gt X gt MA 066 066 gt X gt voc E vec gt gt 081 G 960 169 6910 F6l aog gt gt MWOSL S 2 091 gt gt 211 6919 229 Frer 65 9 mizi gt xs mios LoL 9215 5
59. 4 Press the SET button BS2 once 5 Press the RETURN button 853 twice 6 Press the MODE button 851 once 0070000 Field Setting SiBE341001 D Field Setting from Outdoor Unit n order to set the slave unit 2 to operation prohibition mode set No 39 of Setting mode 2 to SLAVE 2 OPERATION PROHIBITION Procedure 1 Press and hold the MODE button BS1 for a period of 5 seconds or more 2 Press the SET button BS2 39 times 3 Press the RETURN button BS3 once 4 Press the SET button BS2 twice 5 Press the RETURN button BS3 twice 6 Press the MODE button BS1 once n order to set the slave unit to operation prohibition mode set No 39 of Setting mode 2 to SLAVE 3 OPERATION PROHIBITION Procedure 1 Press and hold the MODE button 851 for a period of 5 seconds or more 2 Press the SET button BS2 40 times 3 Press the RETURN button 53 once 4 Press the SET button BS2 once 5 Press the RETURN button 853 twice 6 Press the MODE button BS1 once LED display OFF 9 Blink H1P H7P O00000 000000 Factory setting LED display OFF Blink H1P 7 O00000 OCeceee 0000000 Factory setting In the case
60. 78 Field Setting SiBE341001_D Field Setting from Outdoor Unit 2 Set Cool Heat Separately for Each Outdoor Unit System by Cool Heat Selector It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PCB DS1 1 to OUT factory setting Set cool heat switching to IND individual for Setting mode 1 factory setting TEST SELECT ane IND MASTER SLAVE DEMAND H3P SELECT m C H SELECT OUT MULTI Q1 02 Cool Heat selector Fl F2 Indoor unit 1 Fl F Indoor unit Controller Remote controller Field Setting 79 Field Setting from Outdoor Unit SiBE341001_D 3 Set Cool Heat for More Than Single Outdoor Unit System Simultaneously in Accordance with Unified Master Outdoor Unit by Indoor Unit Remote Controller Install the external control adaptor for outdoor unit on either the outdoor outdoor indoor outdoor transmission line Set outdoor unit PCB DS1 1 to IN factory setting setting mode 1 set the outdoor unit you want to give cool heat selection permission to as the group master and set the other outdoor units as group slave units Setthe outdoor unit external cont
61. Filter 7 1 6 Capillary tube 4 Gas pipe Expansion Valve connection port EVHS Filter aS Expansion Valve Dual pressure gas EVH Filter 4 59 5 Expansion ate e M 95 K d 1 Valve EVL 5 4D057985B 20 Refrigerant Circuit ircui Refrigerant C Suction gas pipe connection port SiBE341001_D BSV4Q100P
62. IS GAS PIPE 2 WHEN RQYQ140 180PY1 THIS PIPE IS NOT USED Refrigerant Circuit 23 Refrigerant Flow for Each Operation Mode SiBE341001_D Cooling Oil Return Heating Oil Return Defrost Operation High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Indoor unit operation ON Cooling Thermostat ON Indoor unit Heat exchanger Fan ON Electronic expansion valve Superheated control Indoor unit operation OFF Cooling Indoor unit operation ON Cooling Thermostat OFF 7 Heat exchanger Fan OFF Electronic expansion valve 224 pls Heat exchanger Electronic expansion valve 224 pls STOP VALVE WITH SERVICE PORT 7 9 FLARE CONNECTION CHECK SOLENOID VALVE VALVE STRAINER 2 df A y eS 1 5 25 SOLENOID VALVE 8 FILTER 5 A ELECTRO
63. When completed properly Disconnect the refrigerant tank Close all the outside panels after putting back the inspection door When abnormal stop Error code is displayed on the remote controller check the error code No Properly completed H2P OFF Abnormal stop due to the low pressure drops H2P Blinking Defect determined H2P ON Field Setting 63 Test Operation SiBE341001 D LED indications OFF ON BLINK C H SELECTOR indications on 8 Functions of BS button MODE HWL LNO eations IND MASTER SLAVE ek BS1 BS2 BS3 BS4 55 controller H2P H5P H6P H7P 1 O Q QO Press to reset the address when changing the wiring or indoor units are added Use for a check operation Press to confirm the settings cancel test operation go back to procedure 1 after repair of defect part cancel of error code Press to select setting items Press to change setting modes Press to go back to procedure 1 when missing the procedures e f the system stops and a indoor remote controller p indicates any defect repair the defect part according to Remote controller displays error code LED indications to connect th
64. ees Sesodind eq jepeeu 3N 3H JO WU eq oi JUIO 3 43 Jo edid 061 Sun 1 pue Z Joopyno edid spun Joopui pue wozgpsd 6 j 0 p 9 q e g gt 5 1oopui pue usemjeq edig edid yenoy Z 100pino 8 81 0 suun wy uonoeuuoo Iun 1514 yun joopjino spun 1 191 yun 5 N 1 8 y e 9 G 8 2 suun 100pui 8 1 suun soopu 3NJ3
65. gt Defective pressure equalizing in the refrigerant circuit Inspection of the 6 ze a Refer to P 182 compressor Service Diagnosis 135 Troubleshooting Controller SiBE341001_D 2 23 Inverter Compressor Starting Abnormality 1 0 L 2 Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Error Error is detected based on the signal waveform of the compressor Detection Error Decision Starting the compressor does not complete Conditions Supposed W Stop valve is not opened Causes Defective compressor m Wiring connection error to the compressor W large pressure difference before startup the compressor Defective inverter Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Go on to the next page Starting failure due to aged operation Is it the initial time to start after installation Is a right amount of refrigerant charged Charge a right amount of refrigerant Is the stop valve opened Open the stop valve Refrigerant is melting in refrigerant oil The unit is out of power supply for more than 6 hours Cancel the melting state of refrigerant Is the insulation resistance of the compressor more than 100kQ Cancel the melting state of refrigerant Are the compressor lead
66. rmostat OFF y Good Setting Filter Electronic expansion valve Filter Ops Indoor unit operation i Heat exchanger Cooling Geo Fan OFF Filter Electronic expansion aie Filter Ops 13 a i 1 BIZ E i E i EH i i 45 L fe ge j 8 8 p EE p lo si f oe ir ED 9 fs aig ate lo ae 28 88 LS H g 22 bri 928 8 2 GH 82 ig 28 VE 8 Dal Gi Dal oooh ciii De 55 M gs ge 2 TES M 58 85 52 5552 Sgt 3 958 5 5 5 5 5 5 5 5 5 3 8 5 5 5 H Los Bis Hiz E 1 LIQUID PIPE DUAL PRESSURE GAS PIPE SUCTION GAS PIPE 5 SOLENOID VALVE CHECK 27 NAIVE i STRAINER 2 N SOLENOID VALVE FILTER SOLENOID VALVE ELECTRONIC Ga EXPANSIO
67. 01 _ 92 I1 TONES ue 6 aunssaua 5 4 A 16 ANI IMYA YOSHO YANIVHLS L i 2 LU 1 l L INVA 61 47 i 42 R tmm Hals ANWAYOSHO HANIVHLS 5 110 HOLIMS 4 ANWA 3unss3ud HOIH seed GIONSIOS gt 1 INVA S EU yw YU d AuvTIldvo Z a ee ABE i c 3dld A T SVO NOLLONS 5 aunssaud HaNLsS 34 6 INVA CU ava uno aroNa1os AUS SH 82 AuvTildvo 1r HOLIMS 1 T 1 zg 1 V 81 LL Batwa 1HOd 21 8 1HOd NH 1 10 8 62 JAMA 9NLV1n938 Ja i 9 JAVA Hard 02 NOISNVdX3 OINOHLO313 INVA 21 p INVHdOIUJ3H IMYA GION310S INWA 12 dum 9 4 OINOHIO3H 65 jasn LON SI 3dld SIHL 14081 07 LOADU y NOLLO3NNOO WWE Z 9 LHOd 391AH3S HLIM 3ATVA 4015 SVO SI LI 19081 0 LOAO
68. 1 jueieDujeg joedeo eoi X 5 079 1 9U pejoeuuoo SHUN 1 Xeput Ajjoedeo 810 uim 9 0 9 gt 5 062 eouepioooe uoueiq 18 ULU 1940 siuiof LINAFH 950040 062 gt X 002 dl ZINSZdHHM 1 VSZdHHM 9 10 HH 002 X 12 2 9 edA 217 0960 sedid sedid 0820 uoueiq jue1eDujeg ed j00pino Jepeeu 3NJ3H OU eq JOU ueo jun Joopul 947 OSZ e 3Nd3H Ajoedeo jeo eui eouepJoooe ul syun Joopui eu qe y e 1epeeu 3NJ3H 129 95 0 v eidurex3 ed Ayoedeo joopino eouepaoooe 9148 Buiwoljo eu apis y pejunoo uoueJq 1511 19 1 0 LINAH e jurof L3NJ3H 109195 0 MOH Uonoejes 1h 10 QL S
69. 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level PO OES difference Om kcal n kWx860 179 o i ipi Btu h kWx3412 2 Indoor temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference cfm me minx35 3 10 Specifications SiBE341001_D Specifications Model Name Combination Unit RQCEQ460PY1 RQCEQ500PY1 Model Name Independent Unit RQEQ180PY1 RQEQ140PY1 RQEQ140PY1 RQEQ180PY1 RQEQ180PY1 RQEQ140PY1 kcal h 38 700 43 000 1 Cooling Capacity Btu h 153 500 170 600 45 0 50 0 kcal h 44 700 48 200 x2 Heating Capacity Btu h 177 400 191 100 52 0 56 0 Casing White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 Cross fin coil Cross fin coil Type Hermetically sealed scroll type Hermetically sealed scroll type Piston Displacement m h 15 75 1 13 34 1 13 34 1 15 75 1 15 75 1 13 34 1 Number of Revolutions r p m 7440 6300 6300 7440 7440 6300 3 3x1 2 8x1 2 8x1 3 3x1 3 3x1 2 8x1 Starting Method Soft start Soft start Type Propellor fan Propellor fan Fan Motor Output 0 35 1 0 35 1 0 35 1 0 35x1 0 35x1 0 35x1 Airf
70. 3 6x1 3 6x1 Starting Method Soft start Soft start Type Propellor fan Propellor fan Fan Motor Output 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 Airflow Rate m min 110 110 110 110 110 110 110 110 Drive Direct drive Direct drive Connecting Liquid Pipe 19 1 C1220T Brazing connection 19 1 C1220T Brazing connection Pipes Gas Pipe 31 8 C1220T Brazing connection 31 8 C1220T Brazing connection Mass Weight kg 179 179 179 175 179 179 179 179 Safety Devices High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Defrost Method Deicer Deicer Capacity Control 5 100 5 100 Refrigerant Name R 410A R 410A Refrigerant Charge kg 11 2 11 2 11 2 10 6 11 2 11 2 11 2 11 2 Control Electronic expansion valve Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Clamps Installation manual Operation manual Connection pipes Clamps Drawing No Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level T difference Om kcal n kWx860 2 temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference
71. DAIKIN SiBE341001_D R 410A Service Manual Heat Heat R 410A 50Hz RQYQ140 180PY1 0280 540 1 RQEQ140 212PY1 RQCEQ280 848PY1 SiBE341001 D VAVII Q Heat Pump Heat Recovery R 410A 50Hz ie 07 TIENES Safety Cautions 122 chats viii 129 IBEefaCO n serm rp EE pure eO AM ILI T ix Part 1 General Information 1 1 Model Names of Outdoor BS cece ccecceecceeeceeeceecaeeceeeeueeaees 2 TI Outdoor Unite mete e be eee 2 1 2 CBS UN reiten venuti cete eio ER antec dest 2 2 dni era E 3 RENI 3 22 HE 3 3 Combination of Outdoor 4 4 Model 0000 4 Part 2 Specifications eT EODEM Y 6 en UNIS ER L2 15 Part 3 Refrigerant Circuit
72. The degree of superheat of suction gas becomes 20 degrees or more SH Ts1 Te Ts1 Temperature detected by suction pipe thermistor Te Low pressure equivalent saturation temperature Error is not determined The unit continues operation Refrigerant shortage or refrigerant clogging wrong piping Defective thermistor R5T 9 Defective low pressure sensor Defective outdoor unit PCB A1P 144 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred In cooling Mount a pressure gauge at the service port on the low pressure side 2 Reset the operation using the remote controller then restart Is the characteristics of low pressure sensor normal 2 Is the low pressure 0 1MPa or less 1 Replace the low pressure sensor Replace the outdoor unit main PCB A1P Remove the factor of decreasing low pressure In heating Reset the operation using the remote controller then restart Is the temperature difference between the suction pipe and the heat exchanger 20 C or more Are the property of suction pipe thermistor R5T and heat exchanger thermistor R9T normal 3 Replace the thermistor Replace the outdoor unit main PCB 1 gt R
73. When using the digital type of multiple tester make measurement in diode check measurement mode in the x1kQ range mode Measuring T Measuring T oint udgement oint udgemen No P Remarks No P Remarks 1 P2 U 1 P2 U Due to condenser charge and so on 2 2 2 15ko 2 12 resistance measurement 3 3 P2 W require some time 4 U P2 4 U P2 5 Due to condenser 5 TS 6 P2 15kQ and charge and so on 6 P2 more resistance 0 3 0 7V 7 N3 U including measurement may 7 N3 U N3 v require some time e N3 V 9 N3 9 N3 W 10 0 N3 10 U N3 Due to condenser charge and so on 11 v 2 15kQ a v resistance measurement may 12 W NS 12 N3 require some time PCB and Circuit Diagram 182 Service Diagnosis SiBE341001 D Troubleshooting by Remote Controller LS Check for causes of wet operation Referring to the Fault Tree Analysis FTA shown below probe the defective points Refrigerant accumulation Overcharge of refrigerant In cooling Indoor unit electronic expansion valve opens too much 1 Defective control Defective indoor unit electronic expansion valve Defective contro
74. q g un woysd 6 j 90 p 9 q 8 yun gt 3N43H 10 LANISY 104410 YOURIG 1514 edid edid jemoy uoueJq aui 1eye WG gt EH 100pino 16194 aoua 146190 ur 1 pue Joopino ueeweg wg gt juepeninb3 wo 51 gt sun 1 eoueJayiq 1oopui pue oopui ius mojaq s 100p no y 5 S LH sun 2 pue 1 eoueiejiq eoueJeyiq pue 9IdeMollv 2 uiBue wiayshs 10 Aju Burdid uonoeuuoo yun pino gt Buidid uonoeuuoo YUN Joopino pue 400pino ueewjeq juepeAmbe wo gt 1 uonoeuuoo pnu jun pue yua edid buel edid yun Joopino Joopino 5 SHUN 0 Z ujBue edid Jezo L uorsueixe 8101
75. 1 Cooling Capacity Btu h 157 000 170 600 46 0 50 0 kcal h 44 700 48 200 x2 Heating Capacity Btu h 177 400 191 100 52 0 56 0 Casing White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 Cross fin coil Cross fin coil Type Hermetically sealed scroll type Hermetically sealed scroll type Piston Displacement m h 15 75x1 13 34x1 13 34x1 15 75x1 15 75x1 13 34x1 Comp Number of Revolutions r p m 7440 6300 6300 7440 7440 6300 3 3x1 2 8x1 2 8x1 3 3x1 3 3x1 2 8x1 Starting Method Soft start Soft start Type Propellor fan Propellor fan Fan Motor Output 0 35 1 0 35 1 0 35 1 0 35x1 0 35x1 0 35x1 Airflow Rate m min 110 95 95 110 110 95 Drive Direct drive Direct drive Connecting Liquid Pipe 912 7 C1220T Brazing connection 15 9 C1220T Brazing connection Pipes Gas Pipe 28 6 C1220T Brazing connection 28 6 C1220T Brazing connection Mass Weight kg 175 175 175 175 175 175 Safety Devices High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Defrost Method Deicer Deicer Capacity Control 8 100 7 100 Refrigerant Name R 410A R 410A Refrigerant Charge kg 11 1 11 1 11 1 11 1 11 1 11 1 Control Ele
76. 20 Functional Parts La VOU TT 22 21 RQYQ140 180PY1 RQEQ140 212 22 Refrigerant Flow for Each Operation 23 T5 rcx Ond ca REIS 23 3 HOGEOPBO 848P Y udi nectar teense osteo 26 Refrigerant Circuit Refrigerant Circuit SiBE341001_D 1 Refrigerant Circuit RQYQ140 180 1 RQEQ140 212PY1 1 1 No in refrigerant Electric den Symbol Name Major Function diagram Inverter compressor is operated on frequencies 52Hz to 210Hz 180 class 248Hz 212 1 M1C Inverter compressor INV class 266Hz by using the inverter The number of operating steps is 20 180 class 23 steps 212 class 27 steps Because the system is an air heat exchange type the fan is operated at 8 step rotation 2 MIF Inverter fan speed by using the inverter 3 Electronic expansion valve While in heating PI control is applied to keep the outlet superheated degree of air heat Main exchanger constant 4 2 Electronic expansion valve This is used to charge refrigerant and discharge refrigerant from the refrigerant Refrigerant charge regulator 5 Y3E Electronic expansion valve PI control is applied to keep the outlet superheated degree of subcoolin
77. 651 E FZ 0960 0820 6 6 0810 Leto 52 n 9215 9215 9215 5 5 Ayoedeo d d 215 seb uonons Joopino 9215 Buldid Le1oN 90A Ayoedeo 5 jun Joopino eui eouepiJoooe Buiwojo eui 95000 v ued yy uoueug pue Z 100pino uonoes syy uonoeuuoo yun Joopyno usemjaq 9 104296 pun pue Buidid uonoeuuoo 1o0pino ueewjeq uonoes 1ue1eDujor pue yy 109 yun 100pino 8 04296 pue I uonoes syp Bulyoursq ueemjeq 545 gt uonoes yy pue Buldiq pue 6 3 syy Buruoueiq
78. 88 diane ge i ad H Joys 05 8 LIT ieouodidoqnoa PI LJ Gr 5 55 O ouae gE E Syd ava 8 8 aiden z Jd miu Q E 5 asses 8 trei 9 8 88 25 uosuedr owog 85 28 1 meu po 58 E EH posed aE GG EE i ewe E 3 58 auone G 0602903 eu 43 MU ay 1 mC 8 lenet 25 2 W 55 58 1 E 58 orsuediq 2004099 FH aO as EA eqm 9 BH A m 8 azra IN E me tm D dens 88 0543 yeay edid ajqnog S 8 5 e 9 1 28 eem E i S x H 2 3i o N H 88 a 8 30064149 21 Refrigerant Functional Parts Layout SiBE341001_D 2 Functional Parts Layout 2 1 Top View Electronic expansion valve Refrigerant charge Y2E Electronic expansion valve Subcooling Y3E Electronic expansion valve Main Y1E Front View Thermistor Subcooling heat exchanger gas pipe R7T Thermis R9T or Liquid pipe Thermis pipe R3T or Heat exchanger liquid Thermis pipe or Heat exchanger gas RQYQ140 180PY1 RQEQ140 212PY1 Solenoid valve Refrigerant regulator liquid pipe 25
79. 9 airflow The airflow direction is not Automatic control Normal operation direction is not corresponding to that reproduced displayed on the remote according to the controller setting The flap does not swing 10 A white mist Indoor unit Uneven temperature distribution Clean the inside of the indoor unit comes out from In cooling the ambient due to heavy stain of the inside of the system humidity is high the indoor unit This indoor unit is installed in a place with much oil or dust Indoor unit Hot gas refrigerant flown in the Normal operation Immediately after cooling indoor unit results to be vapor operation stopping the from the unit outdoor air temperature and humidity are low Indoor and outdoor units Defrosted moisture turns to be Normal operation After the completion of vapor and comes out from the defrosting operation the units System is switched to heating operation 11 The system lt Indoor unit gt These are operating sounds of Normal operation produces Immediately after turning ON the electronic expansion valve of This sound becomes low after a sounds the power supply indoor unit the indoor unit lapse of approximately 1 minute produces ringing sounds lt Indoor and outdoor units gt Hissing sounds are continuously produced while in cooling or defrosting operation These sounds are produced from gas refrigerant flowing respectively through the indoor a
80. Connect the service checker Mount a pressure gauge at the service port on the high pressure side Reset the operation and then restart the operation Is suction pipe NO thermistor property gt Replace the suction pipe normal thermistor YES Check if discharge pipe thermistor property is normal NO Replace the discharge pipe thermistor Check if high pressure sensor property is normal NO Replace the high pressure sensor Service Checker Look for the following indoor unit by service checker Gas pipe temperature R4T Liquid pipe temperature 3 C Opening degree of electronic expression valve lt 300 pls Stop the indoor unit the system is in cooling and check the liquid pipe temperature of the indoor unit after the system has stabilized The liquid pipe temperature is low YES equivalent to the gt Replace the indoor unit electronic evaporating expansion valve temperature gt Clean the air filter of the indoor unit Service Diagnosis 119 Troubleshooting Controller SiBE341001_D 2 14 BS Unit Electronic Expansion Valve Abnormality Remote Controller Display Applicable Models Method of Error Detection Error Decision 1 BSVQ100 250P RQCEQ PY1 This error is detected by whether or not all coils of the e
81. Error Decision Conditions Supposed Causes a v RQYQ PY1 Detect an error based on the current value in the inverter PCB Detect an error for the fan motor circuit based on the number of rotation detected by hole IC during the fan motor operation Overcurrent is detected for inverter PCB A3P or fan inverter PCB A4P System down is caused by 4 times of detection In the condition of fan motor rotation the number of rotation is below the fixed number for more than 6 seconds System down is caused by 4 times of detection Defective fan motor Defective or connection error of the connectors harness between the fan motor and PCB The fan can not rotate due to any foreign substances entangled Clear condition Continue normal operation for 5 minutes Service Diagnosis 111 Troubleshooting Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the monitor mode Check electric motor electric motor corresponding to error code E7 in the monitor mode of outdoor unit PCB U Cut the power supply OFF and wait for 10 minutes YES Check if any foreign substances around the fan Remove the foreign substances Check the connection status of the connectors O Fan motor relay connector or X1A X2A of compressor inverter
82. L8 L9 LC U2 UJ Emergency operation with settings in service mode Inhibition of operation is set with each outdoor unit Make the following settings with the master unit Setting with the slave unit becomes disabled Discriminate the operating status of the master unit slave units through the following LED display LED display ON OFF Blink H1P H7P H8P Master o Slave 1 0000000 Slave 2 9 Slave 3 9 Factory setting In order to set the master unit to operation prohibition mode set No 38 of Setting mode 2 to MASTER OPERATION H1P H7P Procedure 1 Press and hold the MODE button BS1 fora period of 5secondsor 7944444 more 2 Press the SET button BS2 38 times OOoeeooce 3 Press the RETURN button BS3 once Factory setting 4 Press the SET button BS2 once 0900007 5 Press the RETURN button 853 twice 6 Press the MODE button 51 once 0070000 n order to set the slave unit 1 to operation prohibition mode set No 39 of Setti 2 to SLAVE 1 OPERATION SE mode zips S LED display OFF Blink PROHIBITION S Procedure 1 Press and hold the MODE button 851 for a period 5 seconds or 09090000 2 Press the SET button BS2 39 times 3 Press the RETURN button 853 once Factory setting
83. Purge air from the manifold gauge connection hoses and then charge a necessary amount of refrigerant Special vacuuming and dehydration In case of moisture may get mixed in the piping 7 Vacuuming and dehydration Follow the same procedure as that for 1 Normal vacuuming and dehydration described above 2 Vacuum break Pressurize with nitrogen gas up to 0 05MPa 3 Vacuuming and dehydration Conduct vacuuming and dehydration for a period of 1 hour or more If the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of 2 hours or more repeat vacuum break vacuuming and dehydration 4 Leaving in vacuum state Leave the compressor at the degree of vacuum of 100 7kPa or less for a period of 1 hour or more and then check to be sure that the vacuum gauge reading does not rise 5 Additional refrigerant charge Purge air from the manifold gauge connection hoses and then charge a necessary amount of refrigerant n case of construction during rainy reason if dew condensation occurs in the piping due to extended construction period or rainwater or else may enter the piping during construction work 186 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 0 30 List of inverter related error codes Error Code Name Condition for determining error Major cause C 1 Instantaneous overcurrent of inverter compressor Inv
84. Service Diagnosis 139 Troubleshooting Controller SiBE341001_D 2 25 Inverter Over Ripple Protection Remote Controller Display Applicable Models Method of Error Detection Error Decision roy RQYQ PY1 RQEQ PY1 Imbalance in supply voltage is detected in PCB When the amplitude of the ripple exceeding 6V is detected Conditions Error is not decided while the unit operation is continued P 1 will be displayed by pressing the INSPECTION button Supposed Open phase Causes W Voltage imbalance between phases W Defective main circuit capacitor B Defective inverter PCB Defective K2M relay in inverter m improper main circuit wiring 140 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred mbalance iri supplied voltage is in excess of 6 V 1 YES Open phase Open phase Normalize field cause Repair power supply voltage imbalance Is the voltage imbalance applied YES to the inverter in Parts or wiring defect excess of 6 V After turning the power supply 2 gt OFF check and repair the main circuit wiring or parts 1 Loose or disconnected NO lt When voltage monitoring is possible wiring between power supply and inverter 2 K2M contact disposition Using a
85. UNDER CENTRALIZED CONTROL and the COOL HEAT selection remote controller is provided COOL HEAT selection is made using the COOL HEAT selection remote controller Use the COOL HEAT selection remote controller to select cool or heat 92 Service Diagnosis SiBE341001 D Symptom based Troubleshooting Symptom Supposed Cause Countermeasure 7 The system This symptom occurs The system is in preparation Wait for a period of approximately conducts fan immediately after turning ON mode of operation 10 minutes operation but not the power supply arte i UNDER CENTRALIZED Even though the cooling _ Normal operation operation CONTROL is displayed on the heating operation is set the air remote controller and the supply operation continues during cooling heating operation thermal storage operation stops The operation switches UNDER CENTRALIZED to the air supply operation CONTROL is displayed on the remote controller 8 The airflow rate Even pressing the AIRFLOW In heating when the room Normal operation is not RATE SET button makes temperature reaches the set reproduced changes in the airflow rate degree the outdoor unit will stop according to the while the indoor unit is brought to setting fan LL operation so that no one gets cold air Furthermore if fan operation mode is selected when other indoor unit is in heating the system will be brought to fan LL operation
86. eq jeuonippy 0 Jeuonippe 0 Appendix 206 Example of Connection 410 Type SiBE341001_D m Heat Recovery series RQ C EQ 8 4 9 S v 2 suun 100 91 95 v e 21 1 1 9 9 Syun 1 Jopeau 3N43H 8 Z wun 100puj g 13N33U 9Iduex3 2 3N 3H pejoeuuoo sun Joopul 20 Syun sun die LE VScdH Hy X 079 sun 2 1e2V9cduHM Lo VGcd 0 9 gt X gt 06c eureu Buidid Bugoeuuo Joopino jo JequunN l v9cdHHM le evScduHM 062 gt X gt 00c Spun Jequunu y m eouepi1oo9e umoo y esoou e 1 D 002 gt 545 si 5 5 eui UBYM s 6141 sedid 2 sedia J00pino aut 108195 01 uoueiq yoedeo
87. remote controller n Note This setting is read by micro computer when the power is turned ON Be sure to set the switch before turning ON the power Be sure to close the EL COMPO BOX lid after setting To use a cool heat centralized remote controller External control adaptor for the outdoor unit is required to use a cool heat centralized remote controller 1 Set the DIP switch on the BS unit PCB DS 1 2 according to the following before turning ON the BS unit 1 2 orr 051 2 Connect the connector of the External control adaptor for the outdoor unit to the connector 2 the BS unit PCB Refer to the installation manual and the installation guide for details of the installation 3 Connect the terminals F1 F2 of the external control adaptor for the outdoor unit to the terminals F1 F2 indoor side on the BS unit PCB Refer to the figure below 551 2 F1 LAM 552 F2 External control BS unit PCB adaptor for the outdoor unit Terminal address L5 C E 77 Cool heat centralized remote controller 4 Set the external control adaptor for the outdoor unit according to the following Set 551 of the external control adaptor for the outdoor unit to BOTH or C H Set SS2 of the external control adaptor for the outdoor unit to ON Aunit No of the cool heat centrali
88. resistance of fan YES Replace the compressor motor is not more 1MQ NO gt Replace the fan motor If the fan motor is badly damaged replace the inverter PCB A3P Is the power transistor normal Remove and insert the connectors shown below D gt X20A A1P 2 lt gt X28A A1P Has the inverter YES gt Replace the inverter PCB caused damage NO gt Replace the inverter PCB If the inverter PCB is badly damaged compressor and fan motor are likely to get defective 148 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Turn ON the power supply and start operation YES Stop standby before the fan rotates Replace the noise filter PCB A2P Defective of noise filter standby when compressor Replace the inverter PCB startup If the inverter PCB is badly damaged recheck the NO compressor The ut Iam error recurs NO YES gt Check the harness gt Continue the operation x The error may temporarily result from external factors Causes Instantaneous power failure open phase noises or else Refer to P 182 Service Diagnosis 149 Troubleshooting Remote Controller SiBE341001 D 2 31 Check Operation is not Executed Remote Controller Dis
89. wires disconnected Fix the compressor lead wire gt Correct the wiring then supply the power to restart 136 Service Diagnosis SiBE341001 D Troubleshooting by Remote Controller Troubleshooting Continued from the previous page Start failure due to aged operation Refrigerant is melting in refrigerant oil The unit is out of NO power supply for more than 6 hours Is the insulation NO resistance of the compressor 100kQ or more Broken wire inside YES the compressor Check if the NO power transistor is normal lea ze 8 Refer to P 182 Cancel the melting state of refrigerant Replace the inverter compressor Replace the inverter compressor Replace the compressor inverter Recheck the compressor refrigerant circuit Service Diagnosis 137 Troubleshooting Controller SiBE341001_D 2 24 Transmission Error between Inverter and Main PCB Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes RQYQ PY1 RQEQ PY1 Check the communication state between inverter PCB and main PCB by micro computer When the transmission is not carried out in a specified period of time or longer Incorrect transmission wiring between the inverter PCB and outdoor unit main PCB Defective out
90. 110 110 Drive Direct drive Connecting Liquid Pipe 15 9 C1220T Brazing connection Pipes Gas Pipe 028 6 C1220T Brazing connection Mass Weight kg 175 175 175 Safety Devices High pressure switch fan driver overload protector overcurrent relay inverter overload protector Defrost Method Deicer Capacity Control 7 100 Refrigerant Name R 410A Refrigerant Charge kg 11 1 11 1 11 1 Control Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Clamps Drawing No Notes Conversion Formulae 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 2 Indoor temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference kcal h kWx860 Btu h kWx3412 cfm m minx35 3 Specifications Specifications SiBE341001_D Heat Recovery Series lt RQCEQ P gt Model Name Combination Unit RQCEQ280PY1 RQCEQ360PY1 Model Name Independent Unit RQEQ140PY1 RQEQ140PY1 RQEQ180PY1 RQEQ180PY1 kcal h 24 000 31 000 1 Cooling Capacity Btu h 95 600 122 800 kW 28 0 36 0 kcal h 27 600 34 400 x2 Heating Capacity Btu h 109 200 136 400 32 0 40 0 Casing White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD
91. 212PY1 Open Open Open Field Setting 61 Test Operation SiBE341001_D 1 1 2 Turn Power ON Turn outdoor unit and indoor unit power ON Check the LED display of the outdoor unit PCB Make field settings with outdoor unit PCB Outdoor unit label El compo box lid Service Precaution Be sure to turn the power ON 6 hours before starting operation to protect compressors Check to be sure the transmission is normal The transmission is normal if the LEDs display conditions as shown in table below LED display ON OFF Blinking Micro COOL HEAT select LED display computer MODE TEST LOW Demand Multi Default status operation IND MASTER SLAVE before delivery monitor HAP H3P H5P H6P H7P H8P 1 outdoor unit installed When multiple Siavet o outdoor unit installed Slave 2 Slave 3 The master unit is the outdoor unit to which the transmission wiring for the ind
92. 4 Demand 2 40 or less of rating b Demand 3 Forced thermostat OFF B Method using the external control adaptor for outdoor unit Select Demand 1 3 by short circuit the terminal strip TeS1 W Setting by Setting mode 2 only Select Demand 1 or Demand 2 using set No 32 of Setting mode 2 If Demand 1 is selected then also select Level 1 3 using set No 30 Setting of AIRNET address B Used to make address setting with AIRNET connected W Set AIRNET to an intended address using binary numbers with No 13 of Setting mode 2 5 Setting of high static pressure B Make this setting to operate a system with discharge duct while in high static pressure mode Use this setting mode when concealed outdoor unit installation is required on upper floors or balconies n order to mount the discharge duct remove the cover from the outdoor unit fan W Set No 18 of Setting mode 2 to ON Field Setting 67 Field Setting from Outdoor Unit SiBE341001_D 2 1 2 Service Setting Items Setting item Content and objective of setting Overview of setting procedure Indoor unit fan forced H operation W Used to operate the indoor unit in the stopped state in forced H operation mode Set No 5 of Setting mode 2 to indoor unit forced fan H Indoor unit forced B Used to operate the indoor unit in forced Set No 6 of Setting mode 2 to indoor unit
93. Caution Power OFF Power ON Power OFF Power ON NO 15 the stop valve opened Are the NO compressor lead wires normal Are the wiring and connection to NO the compressor normal Is the insulation resistance of the YES compressor 100 less Compressor coils YES are disconnected CHECK 4 NO 15 the power transistor normal YES Failure occurs again NO after restarting the unit YES Y Replace the inverter PCB A3P P Failure occurs again NO after restarting the unit Refer to P 182 Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Open the stop valve Replace the compressor lead wires Correct the wiring and connection Replace the inverter compressor Replace the inverter compressor Replace the inverter PCB Continue the operation Momentary power failure is possible Continue the operation Replace the inverter compressor Service Diagnosis 133 Troubleshooting Controller SiBE341001_D 2 22 Overcurrent Abnormal of Inverter Compressor Remote Controller Display Applicable Models Method of Error Detection Error Decision re CO RQYQ PY1 RQEQ PY1 Error is detected from the current flowing i
94. Checking in Normal Operation After check operation ends start normal operation Heating is not possible if the outdoor air temperature is 24 C or higher Check that the indoor and outdoor units are operating correctly If any abnormal noise occurs due to liquid compression in the compressor or another cause stop operation immediately Then energize the crankcase heater for a sufficient period of time before restarting operation Start the indoor units one by one Verify that the corresponding outdoor unit is operating Verify that cool air or warm air is being discharged by the indoor unit Press the airflow direction button and airflow rate button of the indoor unit and verify their operation lt Important information when checking normal operation gt If any abnormal noise occurs due to liquid compression in the compressor or another cause stop operation immediately Then energize the crankcase heater for a sufficient period of time before restarting operation For approximately 5 minutes after the compressor is stopped the compressor will not start even when the ON OFF buttons at indoor units in that system are pressed Pump down residual operation may occur for up to 5 minutes at the outdoor unit after operation was stopped from the remote controller Outdoor unit fan low speed operation may also occur if the Low night noise operation setting or the External low noise setting is used If check operation a
95. Defective low pressure sensor Defective outdoor unit PCB A1P Stop valve is not opened Service Diagnosis 107 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution parts damage may be occurred Is the stop Valve opened Open the stop valve 1 Mount a pressure gauge on the low pressure service port 2 Reset the operation using the remote controller and then restart the operation the low pressure 5 Replace the low pressure sensor sensor normal Service Checker Connect the service checker to compare the low pressure value and the actual measurement value by pressure sensor 2 by using the service checker Check if the low pressure value and the actual measurement value by pressure sensor are the same Replace the outdoor unit main PCB A1P The low pressure sensor is normal and the pressure detected with the PCB is also normal The low pressure has really become low Remove the causes by which the low pressure has become low nm Note 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure 2 Make measurement of voltage of the pressure sensor
96. Field Setting OO T ael to tuu 61 1 1 Procedure and Outline dde eet te desee 61 12 Check LR 63 1 3 Checking in Normal Operation n 66 2 Field Setting from Outdoor 2 4442211 67 2 1 List of Field Setting A do 67 2 2 Setting by DIP Switches 69 2 3 Setting by BS Buttons xe 70 24b Setting Mode lT 71 2 5 Setting Mod 2 ocn idet ePi tm nde davies 72 26 Monitor Mode eom audiui pu CB tn 76 2 7 Detailed Explanation of Setting Modes 78 Part 6 Service 90 1 Symptom based Troubleshooting 92 2 Troubleshooting by Remote Controller 95 21 The INSPECTION TEST Button eene niter hne 95 2 2 Procedure of Self diagnosis by Remote Controller 95 2 3 Error Codes and Description 97 2 4 Error Co
97. Improper Combination of Indoor and Outdoor Units Indoor Units and Remote 164 2 38 Address Duplication of Centralized Control Equipment 172 2 39 Transmission Error between Centralized Control Equipment and Indoor Unit 173 2 40 System is not Set iore eee gu adic a 176 2 41 System Error Refrigerant System Address Undefined 177 2 42 CHECK 179 Part 7 195 1 Piping DI amp agralriS 196 1 1 Outdoor nba 196 152 BS UNM iui sd oo e 197 Wiring Diagrams for 200 241 Outdoor diea E tane 200 BS nibo vu decine ET 201 Example of Connection R 410A Type 204 Table of Contents SiBE341001_D Introduction 1 Introduction 1 1 Safety Cautions Cautions and W Be sure to read the following safety cautions before conducting repair work Warnings m The caution items are classified into Warning and Caution The Warning
98. L8 Compressor overcurrent 460V 19 0A Electronic thermal 1 L8 230V 33 5A 5 consecutive sec 4 1 pc du T 7 Max control control gt Time 188 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Thermistor resistance Temperature characteristics Outdoor unit Outdoor unit Outdoor unit For radiation fin R1T For outdoor air R1T For discharge pipe R2T For heat exchanger liquid R3T pipe For heat exchanger gas pipe R4T For suction pipe R5T For heat exchanger deicer R6T For subcooling heat R7T exchanger gas pipe For subcooling heat R8T exchanger liquid pipe For liquid pipe ROT T C kQ T C T C 30 354 1 30 361 7719 30 3257 371 25 259 7 25 265 4704 25 2429 222 20 192 6 20 196 9198 20 1827 883 15 144 2 15 147 5687 15 1387 099 10 109 1 10 111 6578 10 1061 098 5 83 25 5 85 2610 5 817 9329 0 64 10 0 65 6705 0 635 0831 5 49 70 5 50 9947 5 496 5712 10 38 85 10 39 9149 10 391 0070 15 30 61 15 31 4796 15 309 9511 20 24 29 20 25 0060 20 247 2696 25 19 41 25 20 0000 25 198 4674 30 15 61 30 16 1008 30 160 2244 35 12 64 35 13 0426 35 130 0697 40 10 30 40 10 6281 40 106 1517 45 8 439 45 8 7097 45 87 0725 50 6 954 50 7 1764 50 71 7703 55 5 761 55 5 9407 55 59 4735 60 4 797 60 4 9439 60 49 5
99. NIO N 1 Upper limit of Q140 type is 22 2 Upper limit of Q180 type is 25 N Function and Control 41 Detailed Control Functions SiBE341001_D RQCYQ460 540PY1 RQCEQ460 636PY1 STEP Master Slave 1 Slave 2 No INV INV INV 1 52Hz OFF OFF 2 56Hz OFF OFF 3 62Hz OFF OFF 4 68Hz OFF OFF 5 74Hz OFF OFF 6 8 2 OFF OFF 7 88 2 OFF OFF 8 96 2 OFF OFF 9 104 2 OFF OFF 1 52 2 52Hz OFF 10 110 2 OFF OFF 2 56 2 56Hz 11 11692 OFF OFF 3 62 2 62 2 12 124 2 OFF 4 66 2 66 2 13 132 2 5 70 2 70Hz 14 144 2 OFF OFF gt 6 74Hz 74Hz OFF 1 52Hz 52Hz 52Hz Initial step 7 80Hz 80Hz OFF 2 56 2 56Hz 56Hz 8 88 2 88 2 OFF 3 62Hz 62Hz 62Hz 9 92Hz 92Hz OFF 4 66Hz 66Hz 66Hz 10 96Hz 96Hz OFF 5 68Hz 68Hz 68Hz 11 Md04Hz104Hz OFF 6 70 2 70 2 70Hz 12 110Hz 110Hz 7 74 2 742 74Hz 13 116 2 116 2 OFF 8 80 2 80Hz 80Hz 9 88 2 88Hz 88Hz 10 96 2 96Hz 96 2 11 104 2 104 2 104 2 12 110 2 110 2 110 2 13 116 2 116 2
100. Not Not provided provided a 1 unit Provided 1 The intelligent Touch Controller and the schedule timer are not available for combined use 2 The intelligent Touch Controller centralized remote controller and the unified ON OFF controller have been set to Provided with the master unit centralized setting connector at the factory The schedule timer has been set to Not provided with the master unit centralized setting connector at the factory which is attached to the casing of the master unit 192 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 030 GEF Master slave unit setting table Combination of intelligent Touch Controller and Centralized Remote Controller 1 2 3 4 1 2 3 4 WI ave C perd 1 00 4 15 Slave 5 00 8 15 Slave 1 00 4 15 Slave 5 00 8 15 Slave CRC Master CRC Master CRC Slave CRC Slave CRC Master CRC Slave intelligent intelligent Touch Master Touch Slave Controller Controller intelligent 4 CRC Master Touch Slave Controller intelligent 5 Touch Master CRC Slave m Controller 6 CRC Master intelligent 7 Master m Controller CRC Centralized remote controller lt DCS302CA61 gt intelligent Touch Controller DCS601C51 gt patterns marked with have nothing to do with th
101. OL lel Gils T m 3244 Ning HRL w KN 60 C 9 G 1 JoL L i m aumovaniNaNoanoo 5 A d oM bf bd 4 eM CSA R D 6 iu ININOdINOO 80109 amp OL3NNOO SI GEJ 168 169 179 159 188 eu eu icu vex J WP XO8 OdWOO 14 SALA oV LEX quvog 80100 801234800 SI e sgr ESI TI3HS H3100N 7 Sl BEL yexSZA 594 SCA vex Sem phia S AD 50 ssd 168 toG 298 194 Dp VOOVXB 7 Kal AL 909 S s 15 5 0 D gg By m b d uud N n toj Komodo HH d9H dvH diH SIX NeW NZD EX TWX W8X gre LFN 9 89 89 8 8 9 9 9 Rl eel Sa 212 ALW OLN LNOAVT S PASTAS di A o 45 D zu D 20 D D 124 r 84 dl erms 3 M Su RER HH evid y oS div ID zuos ASL 096 2 YVNIINH3LL al
102. PCB connector is Insert the connector disconnected Check the color of relay connectors O Fan motor Both power supply wire and signal wire are all white connectors have YES any connection Correct the connection of the relay connectors 5 5 RI ggs X1AC 3x24 a 4 V ulvi w w Du 3 SL 5 MTF 112 Service Diagnosis SiBE341001 D Troubleshooting by Remote Controller Troubleshooting No continuity of YES fuse F1U on the fan inverter PCB nable to rotate the fan manually with ease when YES gt Replace the fan inverter PCB removing the connector of the fan motor Resistance value between the power supply wire YES gt Replace the corresponding fan motor terminal of fan motor and the motor frame metal is 1MQ or less Check fan motor connector power supply wire he resistance value between UVW phases of YES Replace the corresponding fan motor fan motor is out of balance or short circuit between UVW phases NO Check fan motor connector signal wire he signal wire short circuits between Vcc YES gt Replace the
103. RQEQ PY1 Resistance of radiation fin thermistor is detected during the compressor stops When the resistance value of thermistor becomes a value equivalent to open or short circuited status Error is not decided while the unit operation is continued BUY will be displayed by pressing the inspection button Defective radiation fin thermistor Defective inverter PCB Defective inverter compressor Defective fan motor Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Measure resistance value of the radiation fin thermistor Is the thermistor NO resistance value normal Replace the inverter PCB he inverter compressor s insulation resistance is not more than 100kQ YES Replace the inverter compressor M1C he fan motor s insulation resistance is not more than 1MQ YES Replace the fan motor NO Does the error recur YES when the power supply turns ON NO Replace the inverter PCB Continue the operation 142 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 27 Field Setting Abnormality after Replacing Main PCB or Combination Error of PCB Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting 4 LI RQYQ PY1 RQEQ PY1
104. Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes nd mi All indoor models RQYQ PY1 RQEQ PY1 Detect an indoor unit with no auto address setting The error decision is made as soon as the abnormality aforementioned is detected Improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units Defective indoor unit PCB Defective outdoor unit main PCB Service Diagnosis 177 Troubleshooting Remote Controller SiBE341001_D Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Does an error occur even after 12 minutes elapses from the time when electricity is introduced to indoor and outdoor units Is electricity being introduce for the first time after installation or after an indoor or outdoor unit PCB has been replaced Normal Is indoor outdoor and outdoor NO outdoor unit transmission wiring normal 1 YES Press and hold RESET button on the outdoor unit PCB for 5 seconds NO gt After fixing the incorrect wiring press and hold the RESET button on the master outdoor unit PCB for 5 seconds The unit will not run for up to 12 minutes Does an error reoccur
105. SY gt ASA INZX NO 9 8 Y STVNINHAL OL LI LOANNOO dOL LINN 58 Vox 55320 IWNOILdO HOLOATAS 1V3H 1009 JHL ONISN N3HM oF ONIHIM D D eH 5 IZA TVNIAH3 L O YOLOANNOO O 9 6 TWNIWHYSL z D E sar pop m vax SE KINO LINN 58 SHL OL INVHOVIO SIHL 1 SILON 0 1 ON uh E JLA 10092806 NOISNYdX3 2 10313 ALA if esa tsa 9 HOLOSTSS H O 1 TWNINHAL LINN HOOGLNO HOS 1415 TVNIWH3L div WIX e Vox 1VNH3 LX3 HOLO3NNOO vex u3MOd 16 TVNIINH3 L NLX div S1HVd HOLO3NNOO div AlddNS H3MOd SNIHOLIMS Sd 31iHH3J Y43114 ISION 212 N3389 HOLINOW 30825 NOISNVdX3 2INOHLO3T3 ASA ONIHSV14 39uvHOSIG NIV NOISNVdX3 9 19313 YSL YC 1 ISNA 005 ENS SATVA 5 OINOHLOATS IEA HOLIMS dia zsa isa ans JAVA NOISNVdX3 2 0 10273 IZA div 201 Appendix SiBE341001_D Appendix for Reference iagrams D iring BSV4Q100P 882629002 IOHINOS 1915 TV NIIS
106. corresponding fan motor Replace the corresponding and GND and between UVW and GND NO Put the power supply ON to check the following LED lamps 1 HAP lamp on the compressor PCB A3P 2 HAP lamp on the fan inverter PCB A4P 1 HAP lamp for the 4 does not blink on the YES fan motor condition that HAP lamp for is blinking NO gt Replace the fan inverter PCB ea ze I Refer to P 194 ird Refer to P 194 gt Replace the fan motor 2 Service Diagnosis 1138 Troubleshooting Controller SiBE341001_D 2 11 Electronic Expansion Valve Coil Abnormality Y1E Y3E Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes v L Check the continuity of electronic expansion valve Y1E No current is detected in the common COM when power supply is ON Disconnection of connectors for electronic expansion valve Y1E Defective electronic expansion valve coil Defective outdoor unit main PCB A1P 114 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn OFF the power supply once and then turn it ON again YES Return to no
107. cover Clamps Insulation pipe cover Clamps Insulation pipe cover Clamps Drawing No 4D057926A 4D057927A 4D057928 Note 1 In case of connecting with a 20 50 type indoor unit match to the size of field pipe using the attached pipe 2 n case of connecting with indoor unit capacity index 150 or more and 160 or less match to the size of field pipe using the attached pipe 3 In case of connecting with 200 type indoor unit or indoor capacity index more than 160 and less than 200 match to the size of field pipe using the attached pipe Connection between the attached pipe and the field pipe must be brazed Model BSV4Q100P BSV6Q100P Power Supply 1 Phase 50Hz 220 240V 1 Phase 50Hz 220 240V Total capacity index of connectable indoor 400 or less 600 or less Capacity index of connectable indoor units per branch 100 or less No of Connectable Indoor Units Max 20 Max 30 Casing Galvanized steel plate Galvanized steel plate Dimensions HxWxD mm 209x1053x635 209x1577x635 Sound Absorbing Thermal Insulation Material Foamed polyurethane Flame resistant needle felt Foamed polyurethane Flame resistant needle felt Indoor Liquid Pipes 9 5mm 1220 brazing connection x1 9 5mm 1220 brazing connection x1 Unit Gas Pipes 15 9mm C1220T brazing connection x1 15 9mm 1220 brazing connection x1 ibn Liquid Pipes 12 7mm C1220T brazing connection 15 9mm C1220T brazing connection
108. device capable of fusion or contact is poor constant recording of power 3 Loose or disconnected supply voltage record power noise filter supply voltage between 3 phases R S S T R T for about one continuous week Y No abnormalities are Power supply voltage imbalance observed in the power Even if the power supply voltage is not supply but the imbalance unbalanced when measuring it there are in voltage recurs many cases where it gets unbalanced during night time around 6 00PM to 10 00PM measure Replace the inverter PCB Explanation for users In accordance with notification of inspection results accompanying spare parts MENTIS Be sure to explain to the user that Give the user a copy of notification of inspection results and leave there is a power supply imbalance it up to him to improve the imbalance for which DAIKIN is not responsible Note 1 Measure voltage at X1M power supply terminal block 2 Measure voltage at terminals R 5 and T of the diode module inside the inverter PCB while the compressor is running Service Diagnosis 141 Troubleshooting Remote Controller SiBE341001 D 2 26 Inverter Radiation Fin Thermistor Abnormality Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting RQYQ PY1
109. error code and take the corrective action specified for the particular model Screen J DAIKIN Operation lamp 1 Checking an error or warning Operation Status Display The operation lamp green starts to blink COI L Abnormal The system stops The message Error Press Menu button ______ shutdown operating will appear and blink at the bottom of the Ka 28 5 Error Press Menu Button The operation lamp green remains on Cool Warnin The system continues its The message Warning Press Menu TT 9 operation button will appear and blink at the bottom 28 of the screen Warning Press Menu Button J 2 Taking corrective action Press the Menu Enter button to check the error code Jh Take the corrective action specific to the model Error Error code Contact address 0123 456 789 Indoor Unit Applicable model Outdoor Unit RHEYQTOPYI RANA Return 96 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 3 Error Codes and Description OFF Blink Error code n Error contents Mum Outdoor Unit E1 9 PCB abnormality 102 E2 Earth Leakage by Leak Detection PCB Assy 1
110. exchanger zi Heat exchanger zy 7 Heat exchanger E Indoor unit iL V Fan ON V Fan OFF Fan OFF Electronic expansion Electronic valve Electronic expansion valve 1 Superheated control 1 200 300 pls 200 300 pls 3 Ed 8 8 T Filter Filter Filter Filter Filter Filter STOP VALVE WITH SERVICE PORT 07 9 FLARE CONNECTION i 7 E 7 CHECK E 7 7 SOLENOID VALVE 7 7 7 7 7 _ M VALVI STRAINER E B SHE P3 SOLENOID VALVE 9 FILTER ELECTRONIC SOLENOID VALVE REFRIGERANT EXPANSION VALVE REGULATOR FILTER 7 ELECTRONIC ELECTRONIC EXPANSION LIQUID PIPE EXPANSION VALVE i HEAT PRESSURE REGULATING VALVE EXCHANGER EY ABSOLUTE PRESSURE TYPE SERVICE PORT SERVICE PORT FOUR WAY VALVE J PRESSURE HEAT SWITCH EXCHANGER CAPILLARY TUBE PS PIPE mx ccu 1 2 DUAL CAPILLARY TUBE
111. for the destination of transition that step will be skipped Function and Control 45 Detailed Control Functions SiBE341001_D 2 5 7 Control of Refrigerant Amount lt Recovery of refrigerant gt Open the solenoid valve Y2S Y3S when the load of the indoor unit is low and return the surplus refrigerant to the refrigerant regulator STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION i SOLENOID VALVE d STRAINER PS SOLENOID CHECK VALVE ELECTRONIC EXPANSION FILTER VALVE 1 SOLENOID VALVE REFRIGERANT ELECTRONIC LIQUID PIPE ELECTRONIC FILTER ae HEAT EXCHANGER PRESSURE REGULATING VALVE ABSOLUTE PRESSURE N SERVICE PORT SERVICE PORT FOUR WAY ET PRESSURE SWITCH HEAT EXCHANGER PIPE i 5 dh 1 DUAL PRESSURE CAPILLARY TUBE SOLENOID FOUR WAY VALVE exi SINPH PRESSURE SENSOR SUCTION GAS HIGH PRESSURE PIPE FILTER 4 4 i
112. frequent ON OFF of the compressor and equalize the pressure within the refrigerant system In addition the outdoor unit fan carry out the residual operation for a while to suppress the acceleration of the pressure equalizing and melting of the refrigerant to the evaporator Crankcase Heater Control In order to prevent the refrigerant from melting in the compressor oil in the stopped mode this mode is used to control the crankcase heater Discharge pipe temperature lt 70 C Crankcase heater gt Crankcase heater OFF lt 2 Discharge pipe temperature gt 75 C Rotation Control Outdoor Unit Rotation In the case of multi outdoor unit system this outdoor unit rotation is used to prevent the compressor from burning out due to unbalanced oil level between outdoor units Details of outdoor unit rotation In the case of multi outdoor unit system each outdoor unit is given an operating priority for the control Outdoor unit rotation makes it possible to change the operating priority of outdoor units Thus the system becomes free of compressors that stop over an extended period of time at the time of partial loading preventing unbalanced oil level Timing of outdoor unit rotation At the beginning of the starting control When of outdoor unit stops for a period of 20 minutes or more in heating Example The following diagram shows outdoor unit rotation in combination of 3 outdoor units
113. lt ls the heat exchanger clogged G Decreased airflow rate Defective fan motor the fan motor be rotated with hands Are the motor coil resistance and insulation normal Defective service monitor PCB Including capacity setting If a spare PCB is mounted is the capacity setting properly made Dirty filter Is the air filter clogged Obstacle lt ls there any obstacle in the airflow passage 1 details of compressor capacity control while in cooling refer to Compressor PI control 2 The low pressure protection control includes low pressure protection control and hot gas bypass control 8 In cooling the indoor unit electronic expansion valve is used for superheated degree control 4 In heating the outdoor unit electronic expansion valve EVM is used for superheated degree control of outdoor unit heat exchanger 180 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 150 0 Check the factors of overheat operation Referring to the Fault Tree Analysis FTA shown below probe the defective points Hot gas circuit clogging Defective solenoid gas bypass valve coil lt the coil resistance and insulation normal contro Defective solenoid 1 valve body Defective service
114. mm 1680x635x765 1680x635x765 1680x635x765 1680x635x765 Heat Exchanger Cross fin coil Cross fin coil Type Hermetically sealed scroll type Hermetically sealed scroll type Piston Displacement m h 13 34 1 13 34 1 15 75 1 15 75 1 Number of Revolutions r p m 6300 6300 7440 7440 2 8x1 2 8x1 3 3x1 3 3x1 Starting Method Soft start Soft start Type Propellor fan Propellor fan Fan Motor Output kW 0 35x1 0 35x1 0 35 1 0 35 1 Airflow Rate m min 95 95 110 110 Drive Direct drive Direct drive Connecting Liquid Pipe 49 5 C1220T Brazing connection 12 7 C1220T Brazing connection Pipes Gas Pipe 22 2 C1220T Brazing connection 625 4 C1220T Brazing connection Mass Weight kg 175 175 175 175 Safety Devices High pressure switch fan driver overload protector High pressure switch fan driver overload protector vercurrent relay inverter overload protector overcurrent relay inverter overload protector Defrost Method Deicer Deicer Capacity Control 12 100 10 100 Refrigerant Name R 410A R 410A Refrigerant Charge kg 10 3 10 3 10 6 10 6 Control Electronic expansion valve Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No Notes
115. multiple meter If there is continuity between the said terminal blocks the outdoor outdoor unit transmission wiring has no broken wires in it If there is no continuity the transmission wiring may have broken wires With the outdoor outdoor unit terminal of the Outdoor Unit A short circuited conduct continuity checks between the transmission wiring terminal blocks F1 and F2 of the unified ON OFF controller If there is no continuity as well conduct continuity checks between the outdoor outdoor unit terminal of the Outdoor Unit E between the outdoor outdoor unit terminal of the Outdoor Unit D between the outdoor outdoor unit terminal of the Outdoor Unit C in the order described thus identifying the place with continuity If the place with continuity can be identified there may be broken wires in places before the said place with continuity Procedure for checking indoor outdoor unit transmission wiring for broken wires for checking the indoor outdoor unit transmission wiring of the Outdoor Unit for broken wires Turn OFF the power supply to all equipment short circuit between the indoor outdoor unit terminal F1 and F2 in the Outdoor Unit C and then conduct continuity checks between the transmission wirings F1 and F2 of the Indoor Unit a that is farthest from the Outdoor Unit C using a multiple meter If there is continuity between the said transmission wirings the indoor outdoor unit transmission wiring has no broken
116. of Self diagnosis by Remote Controller 2 2 1 Wired Remote Controller BRC1D528 If operation stops due to error the remote controllers operation LED blinks and error code is displayed Even if stop operation is carried out error contents are displayed when the inspection mode is entered The error code enables you to tell what kind of error caused operation to stop Refer to P 97 for error code and error contents Operation LED ON OFF button Display of indoor unit for which an error has been detected Inspection display Error code INSPECTION TEST button Note 1 Pressing the INSPECTION TEST button will blink the check indication 2 While in service mode holding down the ON OFF button for a period of 5 seconds or more will clear the error history indication shown above this case on the codes display the error code will blink twice and then change to 22 Normal the Unit No will change to 2 and the operation mode will automatically switch from service mode to normal mode displaying the set temperature Service Diagnosis 95 Troubleshooting Remote Controller SiBE341001_D 2 2 2 Wired Remote Controller BRC1E51A7 The following will be displayed on the screen when an error or a warning occurs during operation Check the
117. of multi outdoor unit system when the above Inhibition of operation is set outdoor unit rotation is not functional Field Setting 89 SiBE341001 D Part 6 Service Diagnosis 1 Symptom based Troubleshooting 92 2 Troubleshooting by Remote Controller 95 2 1 Ihe INSPECTION TEST Blount ei trece 95 2 2 Procedure of Self diagnosis by Remote Controller 95 2 3 Error Codes and Description eu Pepe eR 97 2 4 Error Code Indication by Outdoor Unit 98 25 PGB Abnotmmality ione pee deos 102 2 6 Earth Leakage by Leak Detection 103 2 7 Actuation of High Pressure Switch S1PH or Pressure Switch S2P y oe cei pu erts p 105 2 8 Actuation of Low Pressure 107 2 9 Inverter Compressor Motor 109 2 10 Outdoor Unit Fan Motor 111 2 11 Electronic Expansion Valve Coil Abnormality 1 114 2 12 Abnormal Discharge Pipe Temperature 116 2 13 Humidity Ala 118 2 14 BS Unit Electronic
118. of the installation frame and improper installation may cause the equipment to fall resulting in injury Be sure to install the product securely in the installation frame mounted on the For unitary type window frame only If the unit is not securely mounted it may fall and cause injury When replacing the coin battery in the remote controller be sure to disposed of the old battery to prevent children from swallowing it If a child swallows the coin battery see a doctor immediately AN Caution Installation of a leakage breaker is necessary in some cases depending on the conditions of the installation site to prevent electrical shocks Do not install the equipment in a place where there is a possibility of combustible gas leaks If the combustible gas leaks and remains around the unit it may cause a fire Check to see if the parts and wires are mounted and connected properly and if the connections at the soldered or crimped terminals are secure Improper installation and connections may cause excessive heat generation fire or an electrical shock If the installation platform or frame has corroded replace it Corroded installation platform or frame may cause the unit to fall resulting in injury Check the grounding and repair it if the equipment is not properly grounded Improper grounding may cause an electrical shock vii SiBE341001_D
119. ot 14 Specifications SiBE341001_D Specifications 1 2 BS Units Model BSVQ100P BSVQ160P BSVQ250P Power Supply 1 Phase 50Hz 220 240V 1 Phase 50Hz 220 240V 1 Phase 50Hz 220 240V Casing Galvanized steel plate Galvanized steel plate Galvanized steel plate Dimensions HxWxD 207 388 326 207 388 326 207 388 326 Sound absorbing thermal insulation material Foamed polyurethane Frame resisting needle felt Foamed polyurethane Frame resisting needle felt Foamed polyurethane Frame resisting needle felt Indoor Liquid Pipes 9 5mm C1220T brazing connection x1 9 5mm C1220T brazing connection 9 5mm 1220 brazing connection Unit Gas Pipes 15 9mm C1220T brazing connection x1 15 9mm C1220T brazing connection 2 22 2mm 1220 brazing connection Piping ion Liquid Pipes 9 5mm 1220 brazing connection 9 5mm 1220 brazing connection 9 5mm C1220T brazing connection nae Suction Gas Pipes 15 9mm C1220T brazing connection 15 9mm C1220T brazing connection 2 22 2mm C1220T brazing connection x3 HP LP Gas Pipes 12 7mm C1220T brazing connection 12 7mm C1220T brazing connection x2 19 1mm C1220T brazing connection x3 Weight kg 12 12 15 Installation manual Attached pipe Installation manual Attached pipe Installation manual Attached pipe Standard Accessories Insulation pipe
120. the overload control is complete Low pressure Low pressure rises due to decreased frequency Low pressure drops due to closed outdoor unit electronic expansion valve Hot gas bypass is activated for low pressure protection i e hunting at low pressure Frequency To maintain high pressure frequency decreases under the capacity control Degree of overcharge Proper amount d gt Higher degree of overcharge 184 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 61150 940 Check for shortage of refrigerant In case of VRV Systems the only way to judge as the shortage of refrigerant is with operating conditions due to the relationship to pressure control and electronic expansion valve control As information for making a judgement refer to the information below Diagnosis of shortage of refrigerant 1 The superheated degree of suction gas rises Consequently the compressor discharge gas temperature becomes higher 2 The superheated degree of suction gas rises Consequently the electronic expansion valve turns open 3 Low pressure drops to cause the unit not to demonstrate cooling capacity heating capacity Cooling The opening degree of the indoor unit electronic expansion valve becomes larger Either of the electronic expansion valves becomes fully open Fan control is activated for high pressure protection under cooling control at low outdoor air temper
121. the solenoid valves m Used to recover refrigerant on site Refriaerant With operations of indoor and outdoor units 9 E nade prohibited fully open the electronic Set No 21 of Setting mode 2 to ON expansion of the indoor and outdoor units m Used to conduct vacuuming on site Fully open the electronic expansion valves 10 Vacuuming mode of the indoor and outdoor units and energize Set No 21 of Setting mode 2 to ON some of solenoid valves Use a vacuum pump to conduct vacuuming W Used for the troubleshooting of DC compressors 11 EaR dia Inverter waveform output makes it possible Set No 28 of Setting mode 2 to ON to judge whether an error results from the compressor or the PCB 12 Setting of model n order to replace the PCB by a spare For this setting set the 052 2 3 and 4 with spare PCB be sure to make model setting switches on the PCB to the model concerned 68 Field Setting SiBE341001_D Field Setting from Outdoor Unit 2 2 Setting by DIP Switches Using DIP switches on the PCB enables field setting shown below However make no changes of factory settings except for DS1 1 Dip switch Setting item Description ON Used to set cool heat select by Cool Heat selector OFF Factory setting Cool Heat select equipped with outdoor unit DS1 2 ON DS1 4 OFF Factory setting Not used Do not change the factory settings Setting a
122. unit is installed 40 m or more below the indoor unit 38 Emergency operation Setting for the master unit operation prohibition in multi outdoor unit system 39 Emergency operation Setting for the slave unit 1 and 2 operation prohibition in multi outdoor unit system 40 51 Emergency operation Setting for the slave unit 3 operation prohibition in multi outdoor unit system Set up master and slave units for multi connection Master slave set up for multi outdoor units Used to temporarily prohibit the applicable outdoor unit from operating should there be any defective part in multi outdoor unit system Since the comfortable environment is extremely impaired prompt replacement of the part is required outdoor units After setting up press the BS5 RESET button for 5 seconds or more L The numbers in the column represent the number of times to press the SET BS2 button Field Setting 73 Field Setting from Outdoor Unit SiBE341001_D Setting item display No C H selection Low Setting condition display x Setting item MODE T IND Master Slave noise Demand H3P H4P H5P H6P Factory setting Address 09000000 Binary number 1 Q e o e o o Digital pressure 0 gauge kit display 4 digits s 5 Addr
123. wires in it If there is no continuity the transmission wiring may have broken wires With the indoor outdoor unit terminal of the Outdoor Unit C short circuited identify the place with continuity in the transmission wiring of the Indoor Unit b transmission wiring of the Indoor Unit c and transmission wiring of the Indoor Unit d in the order described If the place with continuity can be identified there may be broken wires in places before the said place with continuity 1 Short circuit between the outdoor outdoor unit terminal parts 2 Short circuit between Outdoor outdoor Unit 2 Check the transmission the indoor outdoor unit Transmission Wiring wiring for continuity Indoor outdoor Unit terminal parts If there is continuity the Transmission Wiring indoor outdoor unit transmission has no broken wires in it TUM 1 1 Check the transmission L wiring for continuity If there is continuity the outdoor outdoor unit transmission has no broken wires in it Unified ON OFF controller Centralized remote controller Service Diagnosis 191 Troubleshooting Remote Controller SiBE341001_D Master unit centralized connector setting table The master unit centralized setting connector CN1 X1A is mounted at the factory e To independently use a single unit of the intelligent Touch Controller or a single unit
124. 03 E3 Actuation of high pressure switch pressure switch 105 E4 Actuation of low pressure sensor 107 E5 Inverter compressor motor lock 109 E7 Outdoor unit fan motor abnormality 111 9 Electronic expansion valve coil abnormality Y1E 114 F3 Abnormal discharge pipe temperature 116 F4 Humidity alarm 118 F9 9 BS unit electronic expansion valve abnormality 120 H7 9 Abnormal outdoor unit fan motor signal 122 H9 9 Abnormal outdoor air thermistor 124 J3 9 Abnormal discharge pipe thermistor 124 J5 9 Abnormal suction pipe thermistor 124 J6 9 Abnormal heat exchanger deicer thermistor 124 J7 9 Abnormal liquid pipe thermistor 124 J8 9 Abnormal receiver gas vent outlet thermistor 124 J9 9 Abnormal subcooling heat exchanger outlet thermistor 124 JA 9 High pressure sensor abnormality 125 JC 9 Low pressure sensor abnormality 127 L1 9 Inverter PCB abnormality 129 14 Inverter radiation fin temperature rise 131 L5 Momentary overcurrent of inverter compressor 132 L8 Overcurrent abnormal of inverter compressor 134 19 Inverter compressor starting abnormality 136 LC Transmission error between inverter and main 138 P1 Inverter over ripple protection 140 P4 Inverter radiation fin thermistor abnormality 142 PJ Bee setting abnormality after replacing main PCB or combination error of 143 System 00 Refrigerant shortage 144 U1 146 02 Power supply insuffi
125. 1 1 1 items are especially important since they can lead to death or serious injury if they are not followed closely The Caution items can also lead to serious accidents under some conditions if they are not followed Therefore be sure to observe all the safety caution items described below About the pictograms A This symbol indicates the item for which caution must be exercised The pictogram shows the item to which attention must be paid This symbol indicates the prohibited action The prohibited item or action is shown in the illustration or near the symbol This symbol indicates the action that must be taken the instruction The instruction is shown in the illustration or near the symbol After the repair work is complete be sure to conduct a test operation to ensure that the equipment operates normally and explain the cautions for operating the product to the customer Cautions Regarding Safety of Workers N Warning Be sure to disconnect the power cable plug from the plug socket before disassembling the equipment for repair Working on the equipment that is connected to the power supply may cause an electrical shook If itis necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas is discharged during the repair work do not touch the discharged refrigerant gas The refrigerant gas m
126. 116 2 14 124 2 124 2 124 2 15 132 2 132 2 132 2 16 138 2 138 2 138 2 17 144 2 144 2 144 2 18 158 2 158 2 158 2 19 166 2 166 2 166 2 20 176 2 176 2 176 2 21 188 2 188 2 188 2 22 202Hz202Hz 202Hz 23 210Hz210Hz 210Hz 1 24 218 2 218 2 218 2 m 25 232 2 232 2 232 2 lt i upper imit of Q140 wpe is 28 25 2 3 Upper limit of Q212 type is 27 27 266Hz 266Hz 266Hz 42 Function and Control SiBE341001_D Detailed Control Functions RQCEQ712 848PY1 STEP Master Slave 1 Slave 2 Slave INV INV INV INV 1 52Hz OFF OFF 2 56Hz OFF OFF 3 62Hz OFF OFF OFF 4 68Hz OFF OFF OFF 5 74Hz OFF OFF OFF 6 80Hz OFF OFF OFF 7 88Hz OFF OFF OFF 8 96Hz OFF OFF OFF 9 104Hz OFF OFF OFF 1 52Hz 52Hz OFF OFF 10 110Hz OFF OFF OFF 2 56Hz 6 2 OFF OFF 11 116 2 OFF OFF OFF 3 62Hz 62 2 OFF OFF 12 124 2 OFF OFF OFF 4 66 2 66 2 OFF 13 132Hz OFF OFF OFF 5 70Hz 7 2 OFF OFF 14 144 2 OFF OFF OFF 6 1742 7482 OFF OFF 1 52Hz 52Hz 52Hz OFF 7 80Hz 8 2 OFF OFF 2 56Hz 56Hz 56Hz OFF 8 88Hz 88 2 OFF OFF 6
127. 147 2 31 Check Operation is not 150 2 32 Transmission Error between Indoor and Outdoor 5 151 2 33 Transmission Error between Remote Controller and Indoor Unit 154 2 34 Transmission Error Across Outdoor Units 155 2 35 Transmission Error between Main and Sub Remote Controllers 162 2 36 Transmission Error between Indoor and Outdoor Units in the Same System 163 2 37 Improper Combination of Indoor and Outdoor Units Indoor Units and Remote 164 2 38 Address Duplication of Centralized Control Equipment 172 Service Diagnosis SiBE341001_D 2 39 Transmission Error between Centralized Control Equipment and Indoor Unit 173 2 40 System is not Set Vel 176 2 41 System Error Refrigerant System Address Undefined 177 242 OG DC 179 Service Diagnosis 91 Symptom based Troubleshooting SiBE341001_D 1 Symptom based Troubleshooting Symptom Supposed Cause Countermeasure 1 The system does not start operation at all Blowout of fuse s Turn OFF the power supply and then replace the fuse s Cutout of breaker s f the knob of any breaker is in its OFF position turn ON the power supply e f the knob of any circuit break
128. 180 65 4 014 65 4 1352 65 41 4168 70 3 375 70 3 4757 70 34 7923 75 2 851 75 2 9349 75 29 3499 80 2 418 80 2 4894 80 24 8586 85 2 060 85 2 1205 85 21 1360 90 1 762 90 1 8138 90 18 0377 95 1 513 95 1 5575 95 15 4487 100 1 304 100 1 3425 100 13 2768 105 1 128 105 1 1614 105 11 4395 110 0 9790 3SA48001 AD87A001J 110 9 8902 115 0 8527 115 8 5788 120 0 7450 120 7 4650 125 0 6530 125 6 5156 130 0 5741 130 5 7038 3PA61998L AD92A057 135 5 0073 140 4 4080 145 3 8907 150 3 4429 35448006 AD87A001J Service Diagnosis 189 SiBE341001_D Troubleshooting by Remote Coniroller 61 5 Pressure sensor Output Voltage High Side Voc VL Output Voltage Low Side VH PH 1 38VH 0 69 PL 0 57VL 0 28 Pu High pressure MPa PL Low pressure MPa Detected Pressure Low Pressure PL Voc Output Voltage VL Service Diagnosis 190 SiBE341001_D Troubleshooting by Remote Controller Broken wire check of the connecting wires 1 Procedure for checking outdoor outdoor unit transmission wiring for broken wires On the system shown below turn OFF the power supply to all equipment short circuit between the outdoor outdoor unit terminal F1 and F2 in the Outdoor Unit A that is farthest from the centralized remote controller and then conduct continuity checks between the transmission wiring terminal blocks F1 and F2 of the centralized remote controller using a
129. 2 6510 97820 7520 MA 07 gt X 5 0 22 2229 gt X S 5 6 PAS MA gt gt rere Nol Z LES ezis ezis y peeoxe uonoeuuoo eui 18 JOU OG Sut wojeq peioeuuoo syun eui Ayoedeo 101 9 UM eouepJoooe ejqej eui syy uoueiq L er 0819 6510 0719 ____ 6 d d p nbrq 9215 pe1oeuuoo y jo edA eouep4oooe aut ued yun Joopino Buidid 2219 v Sc 09 G 60 2229 082 pinbirq adid seb uonons d Ayioedeo 9215 Buldid spun je jo 9 YM eouepJoooe ejqej aul 50040 e Wed uonoeuuoo Burdig 5 07509 ren esi Lr 9782 0080 0920
130. 2 BS Unit 6 1 1 i H E Liquid pipe 0 0 1 2 Close Q H Dual pressure gas pipe Close I 20 _ H Suction gas pipe E Pressure 1 equalizing TETE 1 3 Cooling operation Indoor Unit _______ 5 Liquid pipe Dual pressure gas pipe Suction gas pipe Cooling Unit Function and Control 57 Detailed Control Functions SiBE341001_D All room cooling all room heating or simultaneous cooling and heating Dual pressure gas pipe Lr Cooling Cooling Cooling Cooling Cooling Dual pressure gas pipe Suction gas pipe Dual pressure gas pipe Suction gas pipe 7 Heating Heating Heating Heating Heating 1 While all indoor units are in cooling Dual pressure gas pipe is used as a suction gas pipe 2 Mode changeover Switch dual pressure gas pipe from low to high pressure All indoor units Fan stop Changeover time is 3 5 minutes changeover time for control During the changeover stop the compressor for 30 seconds 3 Heating or simultaneous co
131. 2Hz 62Hz 62Hz OFF 9 92Hz 92 2 OFF 4 66Hz 66Hz 66Hz OFF 10 96Hz 96Hz OFF OFF 5 68Hz 68Hz 68Hz OFF 1 52Hz 52Hz 52Hz 52Hz 11 104 2 104 2 OFF OFF 6 70Hz 70Hz 70Hz OFF 2 56Hz 56Hz 56Hz 56Hz 12 110 2 110 2 OFF 7 74Hz 74 2 74Hz OFF 3 62Hz 62Hz 62Hz 62Hz 13 116 2 116 2 OFF OFF 8 80Hz 80Hz 80Hz OFF 4 66Hz 66 2 66Hz 66Hz 9 88Hz 88Hz 88Hz OFF 5 68Hz 68Hz 68Hz 68Hz 10 96 2 96Hz 96Hz OFF 6 70 2 70Hz 70Hz 70Hz 11 104 2 104 2 104 2 OFF 7 74Hz 74 2 74Hz 74Hz 12 110 2 110 2 110 2 OFF 8 80Hz 80Hz 80Hz 80Hz 13 116 2 116 2 116 2 9 88Hz 88Hz 88Hz 88Hz 14 124 2 124 2 124 2 10 96 2 96Hz 96Hz 96Hz 11 104 2 104 2 104 2 104 2 12 110 2 110 2 110 2 110 2 13 116 2 116 2 116 2 116 2 14 124 2 124 2 124 2 124 2 15 132 2 132 2 132 2 132 2 16 138Hz438Hz 138Hz 138Hz 17 144 2 144 2 144 2 144 2 18 158 2 158 2 158 2 158 2 19 166 2 166 2 166 2 166 2 20 176 2 176 2 176 2 176 2 21 188 2 188 2 188 2 188 2 22 202 2 202 2 202 2 202 2 23 210 2 210 2 210 2 210 2 24 218 2 218 2 218 2 218 2 25 232 2 232 2 232 2 232 2 IS 822 2 3 Upper limit of 0212 type is 27 27 266 2 266 2 266 2 266 2 Initial step 1 2
132. 65 95662 695666 VIX VOX VYX V8X VIX VOX YSX V8X VIX V9X YPX VOX VIX VOX 8 Wex B B Wex NZX Ole 310 avi Ole ALON 31ON LON NLX en es H NOD 5 B Sum S 4 ONI OL 4 QNI OL OINI OL d ONI OL ij adr orsa 4 TT un isan mg 012 ELON OL ALON OL 2 ALON OL 2 ALON 1406 WIX ERE MX Um 00000 lt VIX d3MOd Sd GD CD CD a E Saa dev S Em dev S Em div e e 202 for Reference iagrams D iring 9 d9V di V AlddNS H3MOd ONIHOLIMS H3AOO OdWOO 713 NO 138V 1 NOLLOVO3Hd 39IAH3S HO 93 014 3SION SiBE341001 D BSV6Q100P NOLLONS SA1WA NOISNVdX3 OINOWLO313 N33H9 HOLINON 32I H3S dV 195NIHSV T3 NOLIV TIVLSNI OL 99499 Z 158 HOLIMS did 5 HO 39uVHOSIQ NIV 3ATVA NOISNvdX3 9INOBLO313 1 ISNA NOLLORSS NOISNvdX3 9INOHIO3 T3 JOUVHOSIC ENS NOISNVdX3 2INOHIO3T3 ONMOOOENS JAVA NOISNVdX3 21 19379 HOLIMS 4 LINN HOOQNI QuvO8 3 L
133. 9 9 9 gas vent pipe amount amount Solenoid valve Hot gas Y4S ON ON Solenoid valve Circuit of oil return YSS OFF OFF Four way valve Heat Defrost unit OFF exchanger switch Y6S Heating unit ON MEE Four valve Dual Defrost unit ON pressure gas pipe 75 Heating unit OFF ON Four way valve Mixin Yes OFF Solenoid valve Mixing unit inlet Y9S OFF OFF Thermostat ON unit OFF Indoor unit fan MIP Others No instruction OFF Y1E 0 pls 480 pls Suction SH control e Pc gt 2 94 MPa Pc 2 94 MPa Tb 11 11 Ending condition amp 12 min passed amp 12 min passed 6 min passed 6 min passed OR TSA Te gt 5 OR TsA Te gt 5 30 sec passed 30 sec passed Function and Control 55 Detailed Control Functions SiBE341001_D 2 7 4 Cooling Heating Mode Changeover Single room cooling under mixed cooling and heating conditions heating First close all of the indoor unit electronic expansion valve and BS unit electronic expansion valves Y2E Y3E Y4E and Y5E under the cooling operation condition Next open the electronic expansion valve Y2E and perform an equalizing operation Subsequently both the electronic expansion valve Y4E and the indoor unit electronic expansion valve open to become a heating circuit The changeover time is about 6 minutes However this can be shortened from 6 minutes to 4 minutes de
134. 9 9 9 RQYQ140PY1 RQYQ180PY1 RQEQ140PY1 RQEQ180PY1 RQEQ2T2PYI DS2 4 DS2 3 OFF OFF ON DS2 4 OFF ON OFF Field Setting 69 Field Setting from Outdoor Unit SiBE341001_D 2 3 Setting by BS Buttons The following settings are made by BS buttons on PCB In case of multi outdoor unit system various items should be set with the master unit Setting with the slave unit is disabled LED display MODE TEST COOL HEAT select Low Demand Multi IND MASTER SLAVE noise H3P H4P H5P H6P H7P H8P Single outdoor unit Multi Master outdoor S Tm unit ave 1 Factory setting 851 852 853 854 855 MODE SET RETURN TEST RESET There the following 3 setting modes 1 Setting mode 1 H1P OFF Initial status when normal Used to select the COOL HEAT setting Also indicates during abnormal low noise control and demand control 2 Setting mode 2 H1P ON Used to modify the operating status and to set program addresses etc Usually used in servicing the system 3 Monitor mode H1P blinks Used to check the program made in Setting mode 2 Mode changing procedure 1 Using the MODE button the modes can be changed as follows
135. Backup operation per outdoor unit Backup operation per outdoor unit Emergency operation by remote controller Operating method By setting a remote controller Press and hold the ON OFF button for at least 4 seconds Details of operation Stop the defective outdoor unit and operate only other outdoor units This emergency operation is not available for 1 outdoor unit system Emergency operation by outdoor unit PCB Setting method Set the compressor to be stopped by the field setting setting mode 2 Refer to P 88 for details of the setting Details of operation Stop operating the Disabled compressor and outdoor units and operate another compressor and outdoor units The emergency operation is not available for a single unit system Function and Control 59 SiBE341001_D Part 5 Field Setting lis SIO Det eal s Ta 61 14 Procedure and Outline Scao e deret is 61 1 2 Check hide ease adim sera ces 63 1 8 Checking in Normal Operation 66 2 Field Setting from Outdoor eee 67 2 1 List of Field Setting emg eee eee eee 67 2 2 Setting by DIP Switches aes reet eR EO decree 69 2 3 Setting by BS eI s 70 24 iei tou pte nq iiie dre dim 71 PASSES are M ors 72 2 0 Montor ModE 76 2 7 Detailed Ex
136. ENOID I VALVE T SWITCH d OIL SEPARATOR Zt CHECK Ath VALVE STRAINER FILTER 1 CAPILLARY i STRAINER 9 CHECK VALVE COMPRESSOR 7 em ex T 1 PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE m 1 MIXING UNIT ACCUMULATOR MEN 1 30 Refrigerant Circuit SiBE341001_D Refrigerant Flow for Each Operation Mode Defrost 2 Operation Indoor unit operation ON Heating Indoor unit operation ON Heating Indoor unit operation ON Cooling
137. EXPANSI ION VALVE PRESSURE REGULATING VALVE ABSOLUTE PRESSURE TYPE ELECTRONIC EXPANSION VALVE HN SERVICE PORT PRESSURE FOUR WAY VALVE 5 lt DUAL PRESSURE GAS PIPE SUCTION FI FOUR VALVE LTER WAY SOLENOID CAPILLARY TUBE t VALVE Zt CHECK VALVE STRAINER amp CHECK VALVE 1 1 1 1 1 1 STRAINER HIGH PRESSURI SWITCH CHECK VALVE SiPH COMPRESSOR SINPL N SOLENOID VALVE MIXING UNIT ACCUMULATOR PRESSURE SENSOR LOW PRESSURE SNEH HIGH PRESSURE CHECK VALVE FILTER OIL SEPARATOR FILTER CAPILLARY TUBE 2 lt HIGH PRESSURE SWITCH OIL SEPARATOR VALVE s Zt m VALVE STRAINER FILTER CAPILLARY STRAINER 9 VALVE compressor 7 fg Du 4 SiNPt PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE i MIXING UNIT ACCUMULATOR STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION 7 7 7 7 7 3 j 2 7 __ __ R SOLENOID VALVE i 7 7 7 2 VALVE c STRAINER eX d Pst SOLENOID VALVE 9 FILTER ID n ELECTRONIC SOLENOID VALVE REFRIGERAN
138. Expansion Valve Abnormality 120 2 15 Abnormal Outdoor Unit Fan Motor Signal 122 2 16 Thermistor System Abnormality seen 124 2 17 High Pressure Sensor Abnormality 125 2 18 Low Pressure Sensor Abnormality 127 2 19 Inverter PCB Abnormeality eere trt 129 2 20 Inverter Radiation Fin Temperature Rise 131 2 21 Momentary Overcurrent of Inverter 132 2 22 Overcurrent Abnormal of Inverter Compressor 134 2 23 Inverter Compressor Starting Abnormality 136 2 24 Transmission Error between Inverter and Main 138 2 25 Inverter Over Ripple Protection 140 2 26 Inverter Radiation Fin Thermistor Abnormality 142 2 27 Field Setting Abnormality after Replacing Main PCB or Combination Error of POBRE RENE 143 2 28 Refrigerant Shortage eee secedere tae 144 2 29 Reverse Phase Open Phase essen 146 2 30 Power Supply Insufficient or Instantaneous Error
139. Function and Control 43 Detailed Control Functions SiBE341001_D 2 5 4 Electronic Expansion Valve PI Control Main electronic expansion valve EVM control When the outdoor unit heat exchanging is performed via the evaporator 20SA is set to ON this function is used to exert PI control on the electronic expansion valve Y1E so that the evaporator outlet superheated degree SH will become constant SH Tg SH Evaporator outlet superheated degree Tg Suction pipe temperature C detected by the heat exchanger gas pipe thermistor R4T Te Low pressure equivalent saturation temperature C Subcooling electronic expansion valve EVT control In order to make the maximum use of the subcooling heat exchanger this function is used to exert PI control on the electronic expansion valve Y3E so that the evaporator side gas pipe superheated degree SH will become constant SH Tsh Te SH Outlet superheated degree of evaporator C Tsh Suction pipe temperature C detected by the subcooling heat exchanger outlet thermistor R7T Te Low pressure equivalent saturation temperature C Refrigerant charge electronic expansion valve EVJ control While in automatic refrigerant charge mode or additional refrigerant charge mode this function is used to exert PI control on the opening degree of the electronic expansion valve Y2E in response to outdoor air temperature and close the valve after the completion of refrigerant charg
140. Function and Control 51 Detailed Control Functions SiBE341001_D 2 7 Special Control 2 7 1 Pump Down Residual Operation If the liquid refrigerant stays in the evaporator at the startup of a compressor this liquid refrigerant enters the compressor thus resulting in diluted oil in the compressor and then degraded lubrication performance Consequently in order to recover the refrigerant in the evaporator while the compressor stops the pump down residual operation is conducted Pari Electric Cooling Normal Simultaneous Cooling Heating Symbol Master Unit Slave Unit Master Unit Slave Unit Compressor 124 2 124 HZ Outdoor unit fan M1F Fan control Fan control Fan control Fan control Four way valve ON Four way valve ON Electronic expansion pls O pls valve Main 2 480 0 pls Four way valve Four way valve OFF 480 pls OFF 480 pls Electronic expansion valve Refrigerant Y2E 0 pls 0 pls 0 pls 0 pls charge Electronic expansion valve Subcooling 0 pls 0 pls 0 pls 0 pls Solenoid valve Refrigerantregulator 15 OFF OFF OFF OFF hot gas Solenoid valve Refrigerantregulator Y2S OFF OFF OFF OFF liquid pipe Solenoid valve Refrigerantregulator Y3S OFF OFF OFF OFF gas vent pipe Eai valve Hot vag OFF OFF OFF OFF Solenoid vave mg age T E um Circuit of oil return Y5S OFF Fou
141. Gas Pipe 22 2 C1220T Brazing connection 025 4 C1220T Brazing connection Mass Weight kg 175 175 175 175 Safety Devices High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Defrost Method Deicer Deicer Capacity Control 12 100 10 100 Refrigerant Name R 410A R 410A Refrigerant Charge kg 11 1 11 1 11 1 11 1 Control Electronic expansion valve Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Clamps Clamps Installation manual Operation manual Connection pipes Drawing No Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 2 ndoor temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference Conversion Formulae kcal n kWx860 Btu h kWx3412 cim m minx35 3 Specifications Specifications SiBE341001_D Model Name Combination Unit RQCYQ460PY1 RQCYQ500PY1 Model Name Independent Unit RQYQ180PY1 RQYQ140PY1 RQYQ140PY1 RQYQ180PY1 RQYQ180PY1 RQYQ140PY1 kcal h 39 600 43 000
142. H N3HM Le 19 Refrigerant Refrigerant Circuit SiBE341001_D 1 2 BS Unit Electric Symbol Function 1 Electronic expansion valve EVSC In simultaneous cooling and heating operation it is used to subcooling Y1E liquid refrigerants when an indoor unit downstream of this BS unit is heating 2 Electronic expansion valve EVHS Y2E Opens while in heating or all indoor units are in cooling 3 expansion EVLS Opens while in cooling 4 Electronic expansion valve EVH Y4E Opens while in heating or all indoor units are in cooling 5 Electronic expansion valve Opens while in cooling 6 Capillary tube _ Used to bypass high pressure gas to low pressure side to protect Refrigerant accumulation in dual pressure gas pipes 7 Double pipe heat exchanger In simultaneous cooling and heating it is used to subcooling liquid refrigerants when an indoor unit downstream of this BS unit is in heating BSVQ100 250P Liquid pipe Liquid pipe connection port connection port T 1 Double pipe heat Expansion Valve exchanger EVSC
143. H S yun s B E suun 8 E suun 100pui T Eu Y 3 S ut 6 e 9 2 EA AS c Hn 1 13 438 seg ts HL gt H 3N43H yun JOOPINO v iuf 13N43H yun 100pino Buisn youesg 5 9 1utof 13N33H yun jo0pino 3 youesq ueis s Joopino ueis s Joopino ejBuis Joopul BY uees se yy Buidid 1521 BY 9 91 5 Joopino jo eseo uj Z yy Buidid eu gt 1 suun 8 jo uonoauuog jo ejduiex3 Appendix 204 Example of Connection 410 Type SiBE341001_D 9215 9715 9215 wnwxe pyepueis Ayoedeo d d pinbiq 6 Joopu 0 2215 uo uonoeuuoo y Jo 2218 eui 0 YEN e pue uoueaq 2229 619 ebro 6 veo 5 NM O LZ 619 6510 6 veo east gt X gt NM 027 me O Zr gt gt 0
144. HHM 509 1 92 4 0 9 gt X 5 062 1 062 gt X 5 002 1 etot soopuy iol 3NJ3H 9u 100pu ay e jo Ajoedeo 101 YLM ejqei L 184 eui 10 JEY 19410 3Nd3H 25002 adh 09 0980 adh 0820 ed 081 0910 adfy Ayoedes yun ejdurex3 Ayloedes y YIM eouepaoooe y epis pejunoo S14 LINAH luiof 13N 3H 19995 0 1 9 1 1 0 9 yy uesa IET silun Joopul 10 ejdurex3 7354 0 0 swous 1e eur Buidid uonoeuuoo yun Joopino 5 10906 ayy esn euns eq paj ejsur uiejs s pesn eq juo ued uoueJq uoue1q 51 8 8 uun gt y
145. High temperature Thermostat ON Thermostat u T high pressure gas Heat exchanger Heat exchanger High temperature 5 high pressure liquid 8 Low temperature Leo Clore BA BA ow pressure Fan OFF Fan OFF Fan OFF Filter Electronic expansion vake Filter Filter Electronic expansion vale Filter Filter Electronic expansion aie Filter Op 00 i Norma i E E g 4 H T 8 8 45 in sip g aif EM ic g 5 Ja ic ET 8 8 8 8 E 88 Z ma E CORES 599211 09152 II ahs cooked 0 BR Qiii 11 OP Coogee 5 gs 533 ES 55 ss 8 iz RN 55 gs 5 5 5 8 5 4 8 5 5 5 4 5 K NIZ LIE TE STOP VALVE WITH SERVICE PORT 7 FLARE CONNECTION A B 7 __ __ B E SOLENOID VALVE 7 7 7 7 7 1 9 VALVE STRAINER ar n 3 E pg SOLENOID VALVE 9 5 i ELECTRONIC SOLENOID VALVE REFRIGERANT REGULATOR EXPANSION VALVE FILTER v gen ELECTRONIC ELECTRONIC zu LIQUID PIPE FILTER EXPANSION VALVE EXPANSION VALVE t 1 G Fan HEAT PRESSURE REGULATING VALVE EXCHANGER i 7 ABSOLUTE PRESSURE
146. IGH PRESSURE SUCTIONGAS 224 21 i CHECK VALVE CAPILLARY TUBE FILTER VALVE eee HIGH PRESSURI SOLENOID VNE CHECK VALVE SWITCH OIL SEPARATOR z CHECK C STRAINER CAPILLARY STRAINER CHECK VALVE i BE py n lt SIEU PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION B 7 7 B EP E 7 7 7 __ __ 3 7 7 ____ SOLENOID VALVE 7 7 n 7 el 5 VALVE T STRAINER 4 SOLENOID VALVE g FILTER r m ELECTRONIC SOLENOID VALVE REFRIGERANT REGULATOR EXPANSION VALVE FILTER ELECTRONIC ELECTRONIC m LIQUID PIPE EXPANSION VALVE EXPANSION VALVE Fan T PRESSURE REGULATING VALVE ABSOLUTE PRESSURE TYPE EXCHANGER SERVICE FOUR WAY VALVE PORT PRESSURE HEAT SWITCH EXCHANGER CAPILLARY TUBE PS PIPE i SOLENOID DUAL PRESSU
147. INHL o HOIO3NNOO 2 TWNINHL t CX SA AVM SNWWAGIONSTOS SSA 939180 2X3 1V3H BOISINHSHI 19H dV AVISHOLLSNOVI ONYIMGTSY 7 ONlidid AVA SAIACIONSOS SZA NOILONS 199 N3SU5 WOLINOWJOIHSS 10718 ___ HOOGLNO JHL OL KINO Gare SI SIHL ISH ANWWAGIONSIOS SQA 18919 SVO 9X3 ISH HOLSINUSHL LPH ofl HOM NOUOSLS0 10 SSA HOLSINYSHL LEH RTA ISAL WM LEU SYDIOH INWAGIONSIOS SPA JOUVHOSIC 917 12H GONYYOHOLNON JONES 1079 d8 d LH 26 34439814 549 UNS SIRVA 0100105 SEA dV HOLSINYSHL 9 1 3504 noor4 SIN HOITO 11943918 38 JAYA 01009105 HIY HOLSIAH3HL 119 1 3504 Nes Nbd n LOH SES 3 CIONSTOS S LA INSHYNO HOLSIS3H S6H 105920 V8 SSNS nts TONTOOOENIS JEA 015153 658 OSH HdlVdH JSVOWNVHO Vex EZ CO AA NONO INUA HOSNSS INSHHND HOLSISSH OlH HOLIMS did 5 S N WWANORNVAXSONOHLOTIA 3A 128150 HOLIOVdVO 995 695 4 Dez d l 287 41815 TWNIWHSL dev JAldd lS H3MOd 9NIHOLIMS Sd H
148. INN HOOGNI LINDUIO CIOHLNOO dlH LS LINN HOOQNI GALNIYd 41815 TVNIINH3 L LINN HOOGNI LINOUIO SMOTIOd SV 3uv 135 2 LSA HOLIMS 4 aau 3778 179 SMOTIOd SV MOHS STOSWAS 8 IWANVW NOILVTIVLSNI OL 43434 CIOH1NOO W6X IWeX 3H L OL SV NO 9 9 STVNINYAL OL LI LOANNOO AHOSS39OV TWNOILdO HOLOATAS 1V3H 1009 JHL ONISN N3HM 3ALLO31OHd ONIHIM 07313 YOLOANNOO TVNINYAL GD 72
149. IU SN pequoseud pasn uoueJq ULI joy o i uesa joy pue Buidid uonoeuuoo 5 0 8 Up 5 d u 8 Wor 5 0 q g eiduexa 0 q 8 yua 100pu oi NII 10 1 0 YoURIG juereDuje1 edid jemov edid jenjoy BUS qemoly wg 5 jueyeanb3 WG gt 1uBreu jubiey ouaaa pue 1 51 5 ZH ueewjeq 16199 100 pue Joopul 1468124 wg gt s y 5 LH 1uBreu 9091900 5 100 pue ueeweg Ws is opa g UIBU ar edid 545 jo 9589 UL gt
150. Introduction AN Caution Be sure to measure the insulation resistance after the repair and make sure that the resistance is 1 MQ or higher Defective insulation may cause an electrical shock Be sure to check the drainage of the indoor unit after the repair Defective drainage may cause the water to enter the room and wet the furniture and floor Do not tilt the unit when removing it The water inside the unit may spill and wet the furniture and floor 2 Be sure to install the packing and seal on the installation frame properly If the packing and seal are not installed properly water may enter the room and wet the furniture and floor For unitary type only 1 2 Used Icons Icons are used to attract the attention of the reader to specific information The meaning of each icon is described in the table below Icon Type of Description Information Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Note Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment loose data get Caution an unexpected result or has to restart part of a procedure Warning A warning is used when there is danger of personal injury specific topic Reference reference guides the reader to other places i
151. MPa or more to stop the compressor operation Open at 3 3 MPa or more to avoid pressure increase to prevent damage to functional 29 rar Liquid pi M valve parts by the pressure increase and to protect the field piping during transportation quid pip storage and operation of the equipment 30 Subcooling heat exchanger Apply subcooling to liquid refrigerant m Used to return the refrigerating oil separated through the separator to the INV 31 Capillary tube compressor 18 Refrigerant Circuit SiBE341001_D 801099006 IMYA INVA GION310S mos 5 GION310S L doLwinwnoov LINN tmp
152. N VALVE REFRIGERANT REGULATOR ELECTRONIC EXPANSION VALVE Saetrnonc EXPANSION VALVE FILTER PRESSURE REGULATING VALVE 7 ABSOLUTE PRESSURE HN SERVICE PORT PRESSURE PIPE ACAPILLARY TUBE B e WAY VALVE FILTER FOUR WAY VALVE J SOLENOID 1 SOLENOID VALVE CHECK VALVE amp FILTER isinPH PRESSURE SENSOR HIGH PRESSURE X CHECK VALVE HEAT EXCHANGER LIQUID PIPE DUAL PRESSURE GAS PIPE SUCTION GAS PIPE PRESSURE HEAT SWITCH EXCHANGER PIPE ACAPILLARY TUBE CAPILLARY TUBE E WAY VALVE ce 1 SOLENOID VALVE 21 CHECK VALVE STRAINER eeu ECK VALVE N CHECK VALVE STRAINER Z CHECK A m VALVE STRAINER il FILTER CAPILLARY i STRAINER 9 CHECK VALVE E pa n 4 SitPl PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR i Ee Ee eee ee 1 7 STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION E 7 d 7 7 7 7 i 7 f CHECK SOLENOID VALVE 7 7 R G S VALVE STRAINER eS N SOLENOID
153. NG EQUIPMENT COMPRESSORS USED THEM S a Dealer DAIKIN INDUSTRIES LTD Head Office Umeda Center Bldg 2 4 12 Nakazaki Nishi Kita ku Osaka 530 8323 Japan Tokyo Office JR Shinagawa East Bldg 2 18 1 Konan Minato ku Tokyo 108 0075 Japan http Awww daikin con global_ac rights reserved 3 Specifications designs and other content appearing in this brochure are current as of October 2011 but subject to change without notice SiBE341001 D Printed in Japan 10 2011 AK
154. NIC SOLENOID VALVE IREFRIGERANT EXPANSION VALVE REGULATOR 5 FILTER 69 B4 5 ELECTRONIC ELECTRONIC Rd EXPANSION EXPANSION VALVE LIQUID PIPE FILTER VALVE i Fan Hear PRESSURE REGULATING VALVE EXCHANGER re ABSOLUTE PRESSURE TYPE SERVICE PORT SERVICE PORT FOUR WAY VALVE A PRESSURE HEAT SWITCH EXCHANGER CAPILLARY TUBE PIPE P K SOLENOID DUAL PRESSURE CAPILLARY TUBE VALVE GAS 1 e S NPH PRESSURE SENSOR FOUR WAY VALVE SUGTIONGAS Se HIGH PRESSURE PIPE 2 4 4 CAPILLARY CHECK VALVE FOUR WAY 1 2 VALVE La TUBE FILTER p HIGH PRESSURE VALVE STRAINER SWITCH 28 OIL SEPARATOR N 4 CHECK i CHECK VALVE 2 VALVE JE FILTER compressor CAPILLARY STRAINER L VALVE TUBE pk 4 PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT H ACCUMULATOR 1 WHEN RQYQ140 180PY1 IT IS GAS PIPE 2 WHEN RQYQ140 180PY1 THIS PIPE IS NOT USED 24 Refrigerant Circuit SiBE341001 D Refrigerant Flow for Each Operation Mode Heating Operation High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Indoor unit operation ON Heating Indoor unit operation OFF Heating Indoor unit operation ON Heating Thermostat Thermostat OFF 7 Heat
155. OLIOVdVO 15 5 8 417 108100 91915 INLX HOLOWN 2338 1531 48013 135 IQON AlddN S H3MOd 91815 INLX HOSSSHdWOO HOLOW HOLIMS NOLLNGHSNd 5 158 uA Se 584 HOLOJNNOO 9NAYIJH VEX HOIOV3H 819 HYOS UDO d3lNud d9Y Siv LEN HOLO3NNOO VeX VIX SEA 81 087 GHYOSIINUIO Q3lNUd dev bX LEE dev JodiHH 3GOId 56 584 AVI3H H6M NJ 08808 089 QGINd dev SINGOW H3MOd 9 LA SLA AV Tad H8M ANI 08408 SING dS eese AlddVS dOLA YZ 8808 3901 08 08 dev 628028 497 HOSN3S VIL 594 H9 NIN GHYOSLINOWIO OSS T d EW INE Ld H 9v9 ieaiao ean L 4 100pU Te L 44055399V 40 0123136 1V3H 1000 dw leg G IN 20 00 x Nvd Ln Sh oui ex Used 7 S 310N 009 1000 LN c LBI dev sarong L R 835 1 UMP PNE NK dev vex vox cT S 5 VE O T O 8 8 8 He TEN WLOX Ne LET TT T SHOT eu e gov UNIX IRI vezx SD 10 cd IJ 24112 T Wx X wex dsvi A LINA LONN OLLINA CLO OU LINN ONI
156. ON VALVE 1 ran HEAT 1 PRESSURE REGULATING VALVE EXCHANGER AN ABSOLUTE PRESSURE SERVICE PORT FOUR WAY VALVE PRESSURE HEAT SWITCH EXCHANGER _ CAPILLARY TUBE PS PIPE CAPILLARY TUBE jr lt amjPRESSURE SENSOR FOUR WAY VALVE HIGH PRESSURE FILTER PEE 4 4 FOUR WAY 1 IX CHECK VALVE VALVE 2 FILTER HIGH PRESSURE SOLENOID VALVE CHECK VALVE SWITCH OIL SEPARATOR CHECK f VALVE STRAINER CAPILLARY COMPRESSOR STRAINER Q CHECK VALVE PRESSURE SENSOR INV TUBE E 4 Sint LOW PRESSURE SOLENOID VALVE MIXING UNIT ACCUMULATOR 7 7 STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION 7 7 7 7 7 7 E 7 __ __ 7 7 E SOLENOID VALVE 7 p 9 VALVE _ STRAINER a T Bd es SOLENOID VALVE SOLENOID REFRIGERANT E ES TRONIC E REGULATOR FILTER e ELECTRONIC LIQUID PIPE FILTER EXPANSION VALVE R Fan PRESSURE REGULATING VALVE 7 ABSOLUTE PRESSURE VIN EXCHANGER SERVICE 1 SERVICE PORT FOUR WAY VALVE PORT 2 PRESSURE HEAT SWITCH EXCHANGER _ CAPILLARY TUBE PS PIPE DUAL PRESSURE CAPILLARY TUBE iron 54 FOUR WAY VALVE Y HIGH PRESSURE SUCTION GAS PIPE MM p NC 1 CAPILLARY 14 CHECK VAL
157. PRESSURE a GAS 1 SNEH PRESSURE SENSOR SUCHEN GAG FOUR WAY VALVE 5 HIGH PRESSURE 2 FILTER sr CHECK VALVE ILTER CAPILLARY TUBE FOUR WAY VALVE Z SOLENOID SWITCH n OIL SEPARATOR VALVE VALVE N CHECK Tae STRAINER FILTER 1 COMPRESSOR c CAPILLARY STRAINER VALVE A N PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT 1 ACCUMULATOR 1 1 1 WHEN RQYQ140 180PY1 IT IS GAS PIPE 2 WHEN RQYQ140 180PY1 THIS PIPE IS NOT USED Refrigerant Circuit 25 Refrigerant Flow for Each Operation Mode SiBE341001_D 3 2 RQCEQ280 848PY1 Cooling Operation Indoor unit operation ON Cooling Thermostat ON High temperature high pressure gas High temperature high pressure liquid Low temperature low pressure Fan Setting Filter Electronic expansion valve Filter Normal Indoor unit The peration ON Cooling
158. Press the MODE button BS1 to cancel Setting mode 2 lt Caution gt Do not turn OFF the outdoor unit power during the air tight test The solenoid valves will close and the outdoor unit air tight test will not be possible Setting of Refrigerant Recovery Mode When carrying out the refrigerant collection on site fully open the respective electronic expansion valve of indoor and outdoor units All indoor and outdoor unit s operation are prohibited Operation procedure 1 In setting mode 2 with units in stop mode set Refrigerant Recovery Vacuuming mode to ON The respective electronic expansion valve of indoor and outdoor units are fully opened and some of solenoid valves open H2P turns to display TEST OPERATION blinks TEST OPERATION and UNDER CENTRALIZED CONTROL are displayed on the remote controller and the all indoor outdoor unit operation is prohibited After setting do not cancel Setting Mode 2 until completion of refrigerant recovery operation 2 Collect the refrigerant using a refrigerant recovery unit See the instruction attached to the refrigerant recovery unit for more detail 3 Press Mode button BS1 once and reset Setting Mode 2 Setting of Vacuuming Mode In order to perform vacuuming operation on site fully open the electronic expansion valves of indoor and outdoor units and turn ON some solenoid valves Operating procedure 1 With Setting Mode 2
159. R SLAVE while in Setting mode 1 Then make setting of COOL HEAT batch address 2 Setting of low noise operation 1 A Use external input to step down the upper limit of the fan factory setting to Step 8 providing low noise level 1 Mode 1 Step 6 or lower 2 Mode 2 Step 5 or lower 3 Mode 3 Step 4 or lower W Use the External control adaptor for outdoor unit Set to External control adaptor for outdoor unit with No 12 of Setting mode 2 and select the mode with No 25 If necessary set the Capacity priority setting to ON with No 29 B The low noise operation aforementioned is enabled low night noise operation mode Start time Possible to select in the range of 20 00 to 24 00 hours End time Possible to select in the range of 06 00 to 08 00 hours Use the said time as a guide since the start time and the end time are estimated according to outdoor air temperatures Make this setting while in Setting mode 2 Select a mode with No 22 of Setting mode 2 Select the start time with No 26 and the end time with No 27 If necessary set the Capacity priority setting to ON with No 29 3 Setting of demand operation 1 B Used to place limits on the compressor operating frequency to control the upper limit of power consumption 1 Mode 1 of Demand 1 60 or less of rating 2 Mode 2 of Demand 1 70 or less of rating 3 Mode 3 of Demand 1 80 or less of rating
160. RE CAPILLARY TUBE VANE GASPIPE exi SWHJPRESSURE SENSOR FOUR WAY VALVE SUCTIONGAS HIGH PRESSURE PIPE FILTER 4 4 ECHECKVALVE FOUR WAY VALVE FILTER i p lt HIGH PRESSURE SOLENOID I VALVE CHECK VALVE SWITCH OIL SEPARATOR ZtCHECK STRAINER ili FILTER VALVE CAPILLARY i STRAINER CHECK VALVE COMPRESSOR TUBE EH Ca N E SEU PRESSURE SENSOR SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR Ur ee 4 Refrigerant Circuit 27 Refrigerant Flow for Each Operation Mode SiBE341001_D Heating Operation
161. Service Diagnosis SiBE341001 D Troubleshooting by Remote Controller Check the transmission wiring between centralized control equipments for any broken wire Abnormal For details refer to information in the Procedure for checking broken wires section transmission wiring between main centralized control equipment for any broken wire Abnormal gt Correct the wiring For details refer to information in the Procedure for checking broken main centralized control NO gt Correct the wiring gt Correct the connection of the equipment setting connector been connected Disconnect the transmission wiring of the main centralized control equipment and then check the voltage between the transmission terminals F1 and F2 of the master unit transmission equipment using a tester s the voltage between the terminals F1 and NO connector F2 in the range of 15 2 to 17 6 VDC Replace the centralized control equipment gt Centralized control equipment Normal wee It is supposed that the error results from external factors e g noises from other equipment Service Diagnosis 175 Troubleshooting Remote Controller SiBE341001_D 2 40 System is not Set yet Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Cau
162. Symbol Electric Symbol Description of Function 208A Y6S Four way valve Heat exchanger switch 2058 Y7S Four way valve Dual pressure gas pipe switch Y8S Four way valve Mixing unit DSH Discharge pipe superheated degree DSHi Discharge pipe superheated degree of INV compressor DSHs Discharge pipe superheated degree of STD compressor EV Opening of electronic expansion valve EVJ Y2bE Electronic expansion valve Refrigerant charge EVM Electronic expansion Main EVT Y3E Electronic expansion valve Subcooling G Value of INV compressor discharge pipe temperature compensated with outdoor air temperature HTds Value of STD compressor discharge pipe temperature compensated with outdoor air temperature Pc S1NPH Value detected by high pressure sensor Pe S1NPL Value detected by low pressure sensor SH Evaporator outlet superheated degree SHS Target evaporator outlet superheated degree SVB Y5S Solenoid valve Circuit of oil return SVG1 Y1S Solenoid valve Refrigerant regulator hot gas SVG2 Y3S Solenoid valve Refrigerant regulator gas vent pipe SVL Y2S Solenoid valve Refrigerant regulator liquid pipe SVP Y4S Solenoid valve Hot gas Ta R1T Outdoor air temperature Tb R6T Heat exchanger outlet temperature at cooling Tc E High pressure equivalent saturation temperature TcS Target temperature of Tc Tdi R2T Discharge pipe temperature of INV compressor Te Low pressure equivalent saturation temperatur
163. T REGULATOR EXPANSIONVALVE FILTER PRESSURE SENSOR 32 Refrigerant Circuit SiBE341001_D Part 4 Function and Control AS PUNCUON Generalo T 34 151 Op ration Mode 34 35 2 Detailed Control MUNCHOMS see eee eee 36 21 Stop Oberallon ede hare 36 22 Standby 36 2 37 Rotation 36 2 4 Startup Control 38 2 5 Normal Operations 39 2 6 PROLCHONACONINO PT 47 2 7 Op CA 52 Function and Control 33 Function General SiBE341001 D 1 Function General 1 1 Indoor unit stop or thermostat OFF Operation Mode 2 1 Stop operation gt Pressure equalization prior to startup Thermostat ON If test run has not been completed the error code 13 is displayed and the unit will not operation However this does not apply to test run operation in service mode refrigerant charging operation and pump down operation 2 4 Startup control Startup control Cooling startup control Heating startup control 2 5 Normal Operation 1 List of Functions i
164. VALVE i ABSOLUTE PRESSURE TYPE EXCHANGER i SERVICE PORT FOUR WAY VALVE PRESSURE HEAT i EXCHANGER CAPILLARY TUBE PIPE 54 DUAL PRESSURE CAPILLARY TUBE GASPIPE sus PRESSURE SENSOR FOUR WAY VALVE HIGH PRESSURE SUCTION GAS FOUR WAY VALVE PIPE FILTER BI 4 CAPILLARY CHECK VALVE FOUR WAY VALVE 2 TUBE Uri TER SOLENOID pon HIGH PRESSURE aie CHECK VALVE SWITCH OIL SEPARATOR VALVE STRAINER FILTER compressor 2 CAPILLARY STRAINER CHECK VALVE PRESSURE SENSOR TUBE i pa N SNT SOLENOID VALVE COW PRESSURE i MIXING UNIT ACCUMULATOR a lt 28 Refrigerant Circuit SiBE341001_D Refrigerant Flow for Each Operation Mode Heating Oil Return Operation Indoor unit operation ON Heati High temperature high pressure gas High temperature 5 high pressure liquid 5 Thermostat ON Low temperature low pressure Fan ON Setting Filter Electronic expansion valve Filter Normal Fan ON Forced thermo ON Filter Electronic expansion vale Filter Indoor unit operation ON Thermostat OFF ing Indoor unit operation OFF Heating Fan OFF
165. VE 9 18 FILTER l HIGH PRESSURE 1 SOLENOID VALVE CHECK VALVE Gaa eee d OIL SEPARATOR L CHECK Z1 VALVE STRAINER FILTER compressor 2 CAPILLARY STRAINER CHECK VALVE PRESSURE SENSOR TUBE Hg pk N STNPL 8 SOLENOID VALVE LOW PRESSURE i MIXING UNIT ACCUMULATOR ee eee eee CERE ptite 4 Refrigerant Circuit 29 Refrigerant Flow for Each Operation Mode SiBE341001_D Defrost 1 Operation Indoor unit operation ON Heating Indoor unit operation ON Heating Indoor unit operati
166. Y1 kcal h 12 000 15 500 1 Cooling Capacity Btu h 47 800 61 400 kw 14 0 18 0 kcal h 13 800 17 200 x2 Heating Capacity Btu h 54 600 68 200 16 0 20 0 Casing White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680x635x765 1680 635 765 Cross Hermetically Sealed Scroll Type Hermetically Sealed Scroll Type Piston Displacement m h 13 34 15 75 Comp Number of Revolutions 6 300 7 440 ee ake 2 8x1 3 3x1 Starting Method Soft Start Soft Start Type Propellor Fan Propellor Fan Fan Motor Output kW 0 35x1 0 35x1 Airflow Rate m min 95 110 Drive Direct Drive Direct Drive Connecting Liquid Pipe 99 5 C1220T Brazing Connection 9 5 C1220T Brazing Connection Pipes Gas Pipe 615 9 C1220T Brazing Connection 619 1 C1220T Brazing Connection Mass Weight kg 175 175 Safety Devices Pign pressure Switch Fan Driver Overload Protector High Pressure Switch Fan Driver Overload Protector urrent Relay Inverter Overload Protector Overcurrent Relay Inverter Overload Protector Defrost Method Deicer Deicer Capacity Control 25 100 21 100 Refrigerant R 410A R 410A Refrigerant Charge kg 11 1 11 1 Control Electronic Expansion Valve Electronic Expansion Valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Cate Manual Operation Manual Connection Pipes Cie Manual Operation Man
167. al characteristics normal the pressure value checked with the Service Checker corresponding to the measurement value of the pressure sensor Are the electrical characteristics normal Are the coil resistance and insulation normal the pressure value checked with the Service Checker corresponding to the measurement value of the pressure sensor Are the coil resistance and insulation normal Check for the thermistor resistance and connection Check for the thermistor resistance and connection lt 15 the pressure value checked with the Service Checker corresponding to the measurement value of the pressure sensor Are the coil resistance and insulation normal Are the electrical characteristics normal Check for the thermistor resistance and connection lt ls the suction air temperature more than 14 C lt 15 the room temperature less than 14 C Is the connector properly connected Are the thermistor resistance characteristics normal Is the outdoor air temperature more than 20 C Is the connector properly connected Are the thermistor resistance characteristics normal Does the piping length fall in the permissible range lt Conduct visual checks for pipe conditions lt ls there any temperature difference caused before and after the filter or branch pipe lt Refer to Check 7 Eliminate moisture by vacuum operation
168. an uosuedi3 auone HA3 uojsuedx3 SHAD iei awong TE aqn Gas pipe connection port 88 isla vosuedg 2101098 uoisuedx3 auone Liquid pipe Connection port Fs sina ann HAa ONEA uoisuedx 3uo129 3 HAG aia iei Uoisuedx oiuonperg bns aqn EH Q auena Fog ogna ane eeu edid agno 2101098 connection port Gas pipe 5 uoisuedx3 21004095 Liguid pipe Connection port 6143 9NEA voisuedy3 2100298 uogsuedxa 20042913 HA3 SHAB uojsuedxg awone aqn connection port Gas pipe Eom za maga tmc ouoiparg 143 aue Uoisuedx3 connection port Liquid pipe Sna ab uoguedg 1004298 HAa uoisuedx auone
169. ase replacement Replace the outdoor unit PCB A1P 146 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 30 Power Supply Insufficient or Instantaneous Error Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes RQYQ PY1 RQEQ PY1 Detection of voltage of main circuit capacitor built in the inverter PCB and power supply voltage When the voltage aforementioned is not less than 190V Power supply insufficient Instantaneous power failure Open phase Defective inverter PCB Defective outdoor service monitor PCB Defective compressor Defective main circuit wiring Defective fan motor Defective connection of signal cable Service Diagnosis 147 Troubleshooting Remote Controller SiBE341001_D Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the condition of the power supply Check if power supply voltage is 380 to 415V 2 Check if there is open phase or wrong wiring 3 Check if power supply voltage side unbalance is with in 6V There are problems on the YES condition of power supply described The insulation resistance of YES gt Correct the problem compressor is not more 100kQ The insulation
170. ature i e the fan is hunting at high pressure Frequency comes to the minimum d 1 1 1 1 1 1 1 1 1 High pressure drops with decrease 1 1 1 L I 1 1 1 1 1 D 1 1 High pressure Low pressure is maintained at constant i level compressor capacity Low pressure 1 Low pressure rises as the opening degree of the indoor unit electronic expansion valve becomes larger 1 1 1 1 1 If frequency comes to the minimum level low 1 Frequency slightly increases pressure cannot be 1 4 1 1 1 1 under the capacity control Frequency maintained To maintain low pressure frequency drops due to the capacity control The opening degree of the outdoor unit electronic expansion valve becomes larger 1 The outdoor unit electronic expansion valve fully opens and frequency increases Discharge pipe or low pressure drooping control 1 1 1 Frequency comes to the minimum level pressure i High pressure 116 maintained at 1a constant level Low pressure Frequency To maintain low pressure frequency drops due to the capacity control Frequency drops due to the drooping control Degree of refrigerant shortage Proper amount pr Higher degree of shortage Service Diagnosis 185 Troublesh
171. ay cause frostbite When disconnecting the suction or discharge pipe of the compressor at the welded section evacuate the refrigerant gas completely at a well ventilated place first If there is a gas remaining inside the compressor the refrigerant gas or refrigerating machine oil discharges when the pipe is disconnected and it may cause injury If the refrigerant gas leaks during the repair work ventilate the area The refrigerant gas may generate toxic gases when it contacts flames The step up capacitor supplies high voltage electricity to the electrical components of the outdoor unit Be sure to discharge the capacitor completely before conducting repair work A charged capacitor may cause an electrical shock Do not start or stop the air conditioner operation by plugging or unplugging the power cable plug Plugging or unplugging the power cable plug to operate the equipment may cause an electrical shock or fire 2 6690 eA Introduction SiBE341001_D N Warning Be sure to wear a safety helmet gloves and a safety belt when working at a high place more than 2 m Insufficient safety measures may cause a fall accident In case of R 410A refrigerant models be sure to use pipes flare nuts and tools for the exclusive use of the R 410A refrigerant The use of materials for R 22 refrigerant models may cause a serious accident such as a damage of refrigerant cycle as well as an e
172. cient or instantaneous error 147 U3 Check operation is not executed 150 U4 Transmission error between indoor and outdoor units 151 U5 Transmission error between remote controller and indoor unit 154 U7 Transmission error Across outdoor units 155 U8 Transmission error between main sub remote controllers 162 U9 Transmission error between indoor and outdoor units the same system 163 UA Improper combination of indoor and outdoor units indoor units and remote 164 controller UC Address duplication of centralized control equipment 172 UE Transmission error between centralized control equipment and indoor unit 173 UF System is not set yet 176 UH System error refrigerant system address undefined 177 Service Diagnosis 97 Troubleshooting Controller SiBE341001_D 2 4 Error Code Indication by Outdoor Unit PCB lt Monitor mode gt Error Error code To enter the monitor mode press the Description of error Description of error PGF Remote MODE BS1 button when in Setting controller mode 1 PCB abnormality PCB abnormality Defective PCB Leak detection PCB Indicate electric leakage detected by the leak detection PCB Refer to P 76 for Monitor mode Abnormal discharge pressure or field HPS or PS activated piping pressure Abnormal suction pressure Defective Pe lt Selection of setting item gt Compressor lock INV compressor lock det
173. connection wiring between the NO concerned indoor unit and the BS unit correct Correct the connection wiring Diagnosis Flow 9 Check 3 Check 4 Connection of erroneous models BS units NO Is BSVQ P model Replace the indoor unit or BS unit PCB Connect BSVQ P model connected to the system gt Replace the outdoor unit PCB With individual systems replace the control PCB A1P With multi systems replace the outdoor unit main PCB A1P Service Diagnosis 169 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 10 Check 3 Check 4 9000999900090999 Connection error of BS unit at HP 15 model Ne Use the outdoor unit of RQEQ YES Replace it to the spare Replace the outdoor unit PCB Are the spare parts NO Arrange correct spare PCB properly arranged YES Replace the outdoor unit PCB Diagnosis Flow 11 Check 3 Check 4 d000000000000090 Connection error of outdoor multi at HP HR Are all the outdoor units the same models Are RQEQ and RQYQ not mixed YES NO gt Correct the combination of outdoor units
174. connection of the connector NO UW pie onder gt Ensure correct connection correct W YES U Power OFF ls the wiring the NO same as in the electric wiring Check if the wiring has Ensure correct connection diagram any error in mistake for inverter compressor The insulation resistance of the _YES compressor is low not more than Replace the compressor The compressor coil has disconnection of wires Restart and check the NO operation Check if the gt Conclude the work condition occurs again There is a possibility of defective pressure equalizing Check the refrigerant circuit Power ON s the start mode in YES Defective pressure equalizing than 0 5 MPa Check the refrigerant circuit CHECK 4 NO Power OFF Is the power transistor gt Replace the inverter normal Restart and NO Power ON check if the error gt Continue the operation occurs again There is a possibility of a instantaneous power failure etc Power OFF Replace the inverter PCB A3P Restart and NO Power ON check if the error gt Continue the operation occurs again 9 26 Refer to 182 Replace the inverter compressor The inverter PCB is not defective Return the inverter PCB to original position Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 10 Outdoor Unit Fan Motor Abnormality Remote Controller Display Applicable Models Method of Error Detection
175. ct or disconnect connector Caution or parts damage may be occurred 1 Mount the low pressure gauge 2 Connect the checker for VRV Are the Characteristics of the low pressure sensor normal Make a comparison between the voltage characteristics 1 and the gauge pressure NO Replace the low pressure sensor If the PCB pressure detection normal Make a comparison between the checker pressure data and the voltage characteristics NO Replace the outdoor unit PCB Reset the operation and then restart the outdoor unit Are the characteristics of NO the low pressure gt Replace the low pressure sensor sensor normal YES Replace the outdoor unit PCB Service Diagnosis 127 Troubleshooting Controller SiBE341001_D Note 1 Voltage measurement point Outdoor unit PCB A1P GND E cp LI 34 Black 2 White 45V Connector for low pressure sensor X31A NES A D input Measure DC voltage here ze Refer to P 190 Low pressure sensor 128 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 19 Inverter PCB Abnormality Log Controller Display Applicable RQYQ PY1B Models Method of Error Error is detected based on the current value during wavef
176. ction of erroneous models of indoor units To Diagnosis Flow 3 Defective combination of outdoor units To Diagnosis Flow 4 Defective wiring in units dedicated to multi connections To Diagnosis Flow 5 Connection of erroneous models of BS units To Diagnosis Flow 6 Defective wiring between outdoor units and BS units To Diagnosis Flow 7 Defective wiring between BS units To Diagnosis Flow 8 Defective wiring between indoor units and BS units To Diagnosis Flow 9 Connection of erroneous models of BS units To Diagnosis Flow 10 Defective connection of BS unit at HP To Diagnosis Flow 11 Defective connection of outdoor multi at HP HR To Diagnosis Flow 12 Defective combination of outdoor multi Service Diagnosis 165 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 1 Check 3 Check 4 The number of indoor units connected to the YES same refrigerant circuit system should not be more than 64 units Diagnosis Flow 2 Check 3 Check 4 G00 00000000009 Check if the refrigerant type of the outdoor YES unit corresponds to that of the indoor unit Replace the outdoor unit main PCB With individua
177. ctronic expansion valve Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level Conversion Formulas difference kcal n kWx860 2 temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference Piu Eben 8 Specifications SiBE341001_D Specifications Model Name Combination Unit RQCYQ540PY1 Model Name Independent Unit RQYQ180PY1 RQYQ180PY1 RQYQ180PY1 kcal h 46 400 1 Cooling Capacity Btu h 184 200 kW 54 0 kcal h 51 600 x2 Heating Capacity Btu h 204 700 kW 60 0 Casing Color Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680x635x765 1680x635x765 1680x635x765 Heat Exchanger Cross fin coil Type Hermetically sealed scroll type Piston Displacement m h 15 75x1 15 75x1 15 75x1 Comp Number of Revolutions 7440 7440 7440 3 3x1 3 3x1 3 3x1 Starting Method Soft start Type Propellor fan Fan Motor Output kW 0 35 1 0 35 1 0 35 1 Airflow Rate m min 110
178. cuited R5T on next Heat exchanger temperature sensor Tb sensor abnormality R6T ade abnormality page Liquid pipe temperature sensor Tsc sensor abnormality R8T abnormality TL sensor abnormality R9T Heat exchanger liquid pipe Tf sensor abnormality R3T temperature sensor abnormality Subcool heat exchanger temperature sensor abnormality R7T lt Confirmation of error 3 gt sensor abnormality Press the SET 852 button once to Discharge pressure sensor abnormality Pc sensor abnormality open display error location Pc sensor abnormality short circuited Suction pressure sensor abnormality Pc sensor abnormality open Pe sensor abnormality short circuited INV PCB abnormality Faulty IPM Current sensor failure confirmation 1 Current sensor failure confirmation 2 lt Confirmation of error 4 gt Rise INV radiation fin temperature Overheat of INV radiation fin Press the SET 52 button once to Temperature display master or slave 1 or slave 2 DC output overcurrent Instantaneous overcurrent of INV or slave 3 and error location Electronic thermal Electronic thermal 1 Electronic thermal 2 Loss of synchronization Thunder detected Stall prevention time limit Stall prevention increased current Stall prevention startup failure Loss of synchronization INV transmission error INV transmission data error Press the RETURN 53 button and INV transmission error Switches to the initial sta
179. de Indication by Outdoor Unit 98 25 E dex Boh 102 2 6 Earth Leakage by Leak Detection ASSY 103 2 7 Actuation of High Pressure Switch S1PH or Pressure Switch S2P e 105 2 8 Actuation of Low Pressure Sensor 107 2 9 Inverter Compressor Motor 109 2 10 Outdoor Unit Fan Motor 111 2 11 Electronic Expansion Valve Coil Abnormality 1 114 2 12 Abnormal Discharge Pipe Temperature 116 2 13 Humidity AAI 118 2 14 BS Unit Electronic Expansion Valve Abnormality 120 2 15 Abnormal Outdoor Unit Fan Motor Signal 122 2 16 Thermistor System Abnormality sese 124 2 17 High Pressure Sensor Abnormality 125 2 18 Low Pressure Sensor Abnormality 127 2 19 Inverter PCB Abnormal sse eee eee eee eee eee 129 2 20 Inverter Radiation Fin Temperature Rise
180. del Name Combination Unit RQCEQ540PY1 RQCEQ636PY1 Model Name Independent Unit RQEQ180PY1 RQEQ180PY1 RQEQ180PY1 RQEQ212PY1 RQEQ212PY1 RQEQ212PY1 kcal h 46 400 54 700 1 Cooling Capacity Btu h 184 200 217 000 54 0 63 6 kcal h 51 600 57 800 x2 Heating Capacity Btu h 204 700 229 300 60 0 67 2 Casing White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 Cross fin coil Cross fin coil Type Hermetically sealed scroll type Hermetically sealed scroll type Piston Displacement m h 15 75x1 15 75x1 15 75x1 16 89x1 16 89x1 16 89x1 Comp Number of Revolutions 7440 7440 7440 7980 7980 7980 ik 3 3x1 3 3x1 3 3x1 3 6x1 3 6x1 3 6x1 Starting Method Soft start Soft start Type Propellor fan Propellor fan Fan Motor Output 0 35 1 0 35 1 0 35 1 0 35x1 0 35x1 0 35x1 Airflow Rate m min 110 110 110 110 110 110 Drive Direct drive Direct drive Connecting Liquid Pipe 15 9 C1220T Brazing connection 15 9 C1220T Brazing connection Pipes Gas Pipe 28 6 C1220T Brazing connection 28 6 C1220T Brazing connection Mass Weight kg 175 175 175 179 179 179 Safety Devices High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter over
181. door outdoor multi outdoor unit U4 07 If voltage of 100V or higher was applied to the outdoor unit UH UF Wrong wiring between units PCB A1P the outdoor unit PCB or BS unit PCB may be damaged If the error display UH appears even after the connection was corrected the PCB must be replaced Refer to Service Manual for details PJ DIP switch DS1 setting is incorrect after the Follow the information on spare parts with a spare PCB of outdoor unit PCB A1P was replaced outdoor unit and make the correct setting Check the following All stop valves are open Check operation cannot be continued by the low e Refrigerant tank is connected pressure drops Valve of refrigerant tank is open Inlet or outlet of indoor unit are not closed due to a foreign object 8 Instruction to perform additional refrigerant charging during check operation not error Make the check operation by 1 2 Check Operation 3 is activated so ON OFF button is pressed on E2 controller but this does not turn the insulation resistance of the compressor to OFF Or zz is activated In case of above there is an error of the compressor in the outdoor unit check the condition of the compressor If any error codes other than the above are displayed check the service manual for how to respond Field Setting 65 Test Operation SiBE341001_D 1 3
182. door unit main PCB transmission section Defective inverter PCB Defective noise filter External factor noise etc Defective inverter compressor Defective fan motor 138 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Are the connectors of the main PCB NO and inverter PCB all securely connected 1 Is the type of the inverter PCB correct The INV compressor YES has insulation resistance of not more than 100kQ The fan motor has insulation resistance YES of not more than 1MQ The micro computer NO normal monitor green of the main PCB A1P is blinking The micro computer NO normal monitor green of the inverter PCB A3P is blinking YES YES The 4 4 error recurs NO Note Properly connect the connectors Replace it with a correct PCB Replace the INV compressor Replace the fan motor Not the error Check the error code again Replace the inverter PCB A3P Replace the outdoor unit main PCB A1P Continue the operation It is supposed that the error results from causes such as instantaneous power failure 1 Disconnect the connector once then reconnect it and check that it is securely connected
183. e 1 Refer to Low pressure protection control for hot gas bypass control 2 Refer to Subcooling electronic expansion valve control 3 Superheating temperature control in cooling is conducted by indoor unit electronic expansion valve 4 Superheating temperature control in heating is conducted by outdoor unit electronic expansion valve EVM 5 Judgement criteria of superheat operation 7 Suction gas superheated degree 10 C and over 2 Discharge gas superheated degree 45 C and over except immediately after compressor starts up or is running under drooping control Use the above values as a guide Depending on the other conditions the unit may be normal despite the values within the above range Service Diagnosis 181 Troubleshooting Remote Controller SiBE341001_D LS 50 41 Power transistor check Perform the following procedures prior to check 1 Power OFF 2 Remove all the wiring connected to the PCB where power transistors are mounted on Preparation Multiple tester Prepare the analog type of multiple tester p E fo For the digital type of multiple tester those with diode check function are available for the checking Point of Measurement and Judgement Criteria e Turn OFF the power supply Then after a lapse of 10 minutes or more make measurement of resistance When using the analog type of multiple tester make measurement in resistance
184. e For normal operation this electronic expansion valve is set to 41 pls 2 5 5 Step Control of Outdoor Unit Fans Step control of fans Used to control the revolutions of outdoor unit fans in the steps listed in table below according to condition changes Fan revolutions rpm STEP No RQYQ140PY1 RQYQ180PY1 RQEQ140PY1 RQEQ180PY1 ROEOP IEP Yd 1 285 285 285 2 315 315 315 3 360 360 360 4 450 450 450 5 570 570 570 6 710 710 710 7 830 855 855 Cooling 951 8 Heating 941 1199 U Note Figures listed above are all those controlled while in standard mode which vary when the system is set to high static pressure or capacity precedence mode Control at a low outdoor air temperature during cooling Secure the liquid pressure and circulating rate in the indoor unit through high pressure control with the outdoor unit fan when the outdoor air temperature is low during cooling Control the fan with the target Tc high pressure equivalent saturation temperature 34 C 44 Function and Control SiBE341001_D Detailed Control Functions 2 5 6 Heat Exchanger Control While in heating or simultaneous cooling heating operation ensure target condensing and evaporating temperature by changing over the air heat exchanger of outdoor unit to the evaporator or the condenser in response to loads Single system Outdoor unit Left side Right side Outdoor unit Left side Rig
185. e In Check 4 LED lamp indicates as follows 900090099 Y Start operation of all the indoor units Do all the units NO indicate 5 Continue the operation Did morethan2 minutes pass since was indicated NO Make a diagnosis again based on the indication in 2 minutes and over gt The indoor units PCB indicating 3 are normal Check the indoor units in the other circuits to diagnose failure according to the corresponding error codes Service Diagnosis 153 Troubleshooting Remote Controller SiBE341001_D 2 33 Transmission Error between Remote Controller and Indoor Unit Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting All indoor models Micro computer checks if transmission between indoor unit and remote controller is normal Normal transmission does not continue for specified period Transmission error between indoor unit and remote controller Connection of 2 main remote controllers when using 2 remote controllers Defective indoor unit PCB Defective remote controller PCB Transmission error caused by noise Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred N Caution Using 2 remote controllers control SS1 of both r
186. e TeS Target temperature of Te Tt R3T Temperature of liquid pipe between outdoor unit heat exchanger and main electronic expansion valve Tfin Radiation fin temperature Tg R4T Heat exchanger gas pipe temperature Temperature of liquid pipe between main electronic expansion valve subcooling heat exchanger Tp Calculated value of compressor port temperature TsA R5T Suction pipe temperature Tsc R9T Temperature of liquid pipe Tsh R7T Temperature of gas pipe detected with the subcooling heat exchanger outlet thermistor Function and Control 35 Detailed Control Functions SiBE341001_D 2 Detailed Control Functions 2 1 2 1 1 2 1 2 2 2 2 2 1 2 2 2 2 3 2 3 1 Stop Operation Stop due to Error In order to protect compressors if any of the abnormal state occurs the system will make stop with thermostat OFF and the error will be determined according to the number of retry times Refer to Error code list P 97 of the troubleshooting for the items to determine the error Operation to determine the error Stop the system and error code is displayed on the remote controller When System is in Stop Mode Stop both the master and slave units The four way valves both for heat exchanger switch and piping switch retain the condition before they were stopped Standby Restart Standby Used to forcedly stop the compressor for a period of 3 minutes in order to prevent the
187. e increase In the case of multi outdoor unit system each INV compressor performs these controls in the following sequence Inverter overcurrent protection control Perform the following control of integrated as well as multi units for each INV compressor 1 Normal operation INV current value gt 14 7A INV current value lt 14 7 INV upper limit frequency max 210 Hz INV current value lt 14 7 ti for 2 1 INV Comp continues for 20 sec bii INV Comp 1 step down 10 sec n 1 step 20 sec INV current value gt 14 7 A After 10 sec INV current value gt 16 1A continues for 260 sec 4 times per 60 min U Restart standby Stop due to error 3 times per 60 min at max 45 displayed Radiation fin temperature control Perform the following control of integrated as well as multi units for each INV compressor gt Normal operation Tfin gt 84 C amp e lt 81 C e INV upper limit frequency max 210 Hz Y Tfin 81 C continues for 3 min INV Comp INV Comp 1 step down 10 sec 1 step up min gt 84 C e After 10 sec Tfin gt 93 C 4 times per 60 min Restart standby Stop due to error 3 times per 60 min at max i displayed
188. e refrigerant tank Test operate again after the repair To test operate again press the RETURN button BS3 to turn the LED back to normal indications D as procedure 1 O KC Cle LED indications to open the valve of refrigerant If the TEST button 854 is not e Q 27 Q C C pressed within 3 min after the indication to open the valve it goes back to procedure 3 1 and stops the system again In this case either refrigerant tank became empty or the LED indications as re charging amount of valve of the refrigerant tank is not open refrigerant is not sufficient If the refrigerant tank is empty replace the tank then D press the TEST button BS4 for longer than 5 sec to PA re start the system e f the valve of the refrigerant tank is not open press the TEST button BS4 for longer than 5 sec to re start the system e 9 e e C Then open the valve of the refrigerant tank by following the procedure 3 2 e Q e A If the system stops and a indoor remote controller indicates any defect repair the defect part according to Remote controller displays error code 9 9 Test operate again a
189. e sensor operation Defective of compressor Service Diagnosis 103 Troubleshooting Remote Controller SiBE341001_D Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check for power supply voltage NO Voltage between phases 380 to 415V Check for any wiring errors in the R S and T Wiring error gt Onsite causes Make proper wire connections without open phase erroneous connections or erroneous order of phases phase electric wiring in the outdoor unit power including auxiliary power Disconnect compressor lead wire Turn OFF the power supply and then disconnect compressor lead wire Check the compressor for Insulation fault gt Correct the connection at the location of the wiring error insulation using a megger tester Check the whole product for Insulation fault gt Replace the defective part insulation resistance using a megger tester Check the connectors of the high pressure sensor line for any disconnection Disconnected Check the earth leakage detection YES gt Replace the defective part Securely connect the connectors PCB A6P for any broken wire in it YNO Reinstall all wirings Vv Turn ON the powe
190. ec Compressor system Step 1 Pc_max gt 3 64 MPa pressure switch 4 0 MPa is activated 1 Restart standby Stop due to error 2 times per 30 min at max E 3 displayed Heating operation and simultaneous cooling heating operation In case of multi outdoor unit system the following control is performed in the entire system Pc_max indicates the maximum value within the system gt gt 3 04 MPa Compressor step Max Step Compressor system lt 2 79 MPa Compressor system 2 step down 10 sec 1 step up 10 sec Pc max 3 12 MPa After 10 sec Compressor system Step 1 Pc max 3 20 MPa High pressure switch 4 0 MPa is activated Restart standby Stop due to error 2 times per 30 min at max E 3 displayed Function and Control 47 Detailed Control Functions SiBE341001_D 2 6 2 Low Pressure Protection Control This low pressure protection control is used to protect compressors against the transient decrease of low pressure In cooling Because of common low pressure the following control is performed in the system Pe_min indicates the minimum value within the system Operation lt 0 34 gt 0 39
191. ected Overload overcurrent and abnormal Instantaneous overcurrent of 1DC fan motor Sala A lock of outdoor unit fan motor 1DC fan motor lock detected Fan 1 IPM faulty protection detected Electronic expansion valve EVM main abnormality EVJ refrigerant charging EVT subcool heat exchanger Abnormal discharge pipe temperature Defective Td Refer to P 76 for Monitor mode Confirmation of error 1 Abnormal humidity Humidity alarm BS unit electronic expansion valve BS EVH disconnected Y4E Press the RETURN BS3 button abnormality BS EVL disconnected Y5E to display First digit of error BS EVHS disconnected 2 BS EVLS disconnected Y3E BS EVSC disconnected Y1E Abnormal positioning signal of outdoor 1DC fan motor positioning signal unit fan motor abnormality Abnormal outdoor temperature Ta sensor abnormality short circuited or open Discharge pipe temperature sensor Sensor abnormality open lt Confirmation of error 2 gt abnormality Sensor abnormality short circuited Press the SET 852 button once to Detail Suction pipe temperature sensor TsA sensor abnormality short display Second digit of error code description abnormality cir
192. ed Function and Control 49 Detailed Control Functions SiBE341001_D 2 6 3 Discharge Pipe Protection Control This discharge pipe protection control is used to protect the compressor internal temperature against an error or transient increase of discharge pipe temperature The following control is performed for each compressor INV compressor Normal operation HTdi 115 C HTdi 100 C U HTdi lt 110 C e After 20 sec INV Comp HTdi gt 115 C 1 step 20 sec After 30 sec 1 step down 30 sec HTdi gt 130 C Frequency agreement HTdi gt 120 C continues for 90 sec or more Compressor system Step 1 on HTdi 135 C HTdi 120 C continues for 10 min or more Discharge pipe temperature standby i 3 times per 100 min Restart standby 10 min Stop due to error 2 times per 100 min at max 3 displayed HTdi Value of INV compressor discharge pipe temperature compensated with outdoor air temperature 50 Function and Control SiBE341001_D Detailed Control Functions 2 6 4 Inverter Protection Control Inverter current protection control and radiation fin temperature control are performed to prevent tripping due to an error or transient inverter overcurrent and radiation fin temperatur
193. em Damaged cable and wires may cause an electrical shock excessive heat generation or fire Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it may cause an electrical shock excessive heat generation or fire Be sure to use an exclusive power circuit for the equipment and follow the local technical standards related to the electrical equipment the internal wiring regulations and the instruction manual for installation when conducting electrical work Insufficient power circuit capacity and improper electrical work may cause an electrical shock or fire Be sure to use the specified cable for wiring between the indoor and outdoor units Make the connections securely and route the cable properly so that there is no force pulling the cable at the connection terminals Improper connections may cause excessive heat generation or fire When wiring between the indoor and outdoor units make sure that the terminal cover does not lift off or dismount because of the cable If the cover is not mounted properly the terminal connection section may cause an electrical shock excessive heat generation or fire Do not damage or modify the power cable Damaged or modified power cable may cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable may damage the cable Do not mix air or gas othe
194. emote controllers is set to Set one remote controller to SUB turn the power supply OFF once and then back ON Operation returns to normal when the power is turned momentarily All indoor unit PCB micro computer monitors blink Replace the indoor unit PCB The indoor unit PCB is normal There is possibility of error caused by noise Check the Replace the remote controller Surrounding area and tum ON again YES Normal Normal NO Y Replace the indoor unit PCB YE Normal gt Normal NO gt There is possibility of error caused by noise Check the surrounding area and turn ON again 154 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 34 Transmission Error Across Outdoor Units Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes i RQYQ PY1 RQEQ PY1 Micro computer checks if transmission between outdoor units is normal When transmission is not carried out normally for a certain amount of time Connection error in connecting wires between outdoor unit and external control adaptor for outdoor unit Connection error in connecting wires across outdoor units Setting error in switching cool heat Unified address setting error for cool heat external control adaptor for outdoo
195. emove the factor of superheating Note 1 Check the low pressure value by using pressure gauge in operation 2 Compare the actual measurement value by pressure sensor with the value by the pressure gauge 3 Compare the thermistor resistance value with the value on the surface thermometer lea zie 4 Refer to P 180 GG Le Refer to P 181 Service Diagnosis 145 Troubleshooting Controller SiBE341001_D 2 29 Reverse Phase Open Phase Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting po RQYQ PY1 RQEQ PY1 The phase of each phase are detected by reverse phase detection circuit and right phase or reverse phase are judged When a power supply is reverse phase or T phase is open phase Power supply reverse phase W T phase open phase Defective outdoor unit PCB A1P Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred There is an open phase at the power YES supply T phase terminal section X1M of the outdoor unit NO Operation is normal YES gt the open phase Requires inspection of field power supply section Reverse phase if 1 place of power supply line phase is replaced NO Countermeasure of the problem is completed by ph
196. ened Electronic expansion valve Y5E 760 pls fully opened 0 pls EVL Function and Control 39 Detailed Control Functions SiBE341001_D 2 5 2 Compressor PI Control Carries out the compressor capacity PI control to maintain Te at constant during cooling operation and Tc at constant during heating operation to ensure stable unit performance Cooling operation Controls compressor capacity to adjust Te to achieve target value TeS Te set value Make this setting while in Setting mode 2 Te setting L M Normal H factory setting 3 C 6 C 7 C 8 C 9 C 10 C 11 C Te Low pressure equivalent saturation temperature C TeS Target temperature of Te Varies depending on Te setting operating frequency etc m Note On multi outdoor unit systems this control is made according to values of the first priority unit which is detected with the pressure sensor Heating operation Controls compressor capacity to adjust Tc to achieve target value TcS Tc set value Make this setting while in Setting mode 2 Tc setting L M Normal H factory setting 43 C 46 C 47 C Tc High pressure equivalent saturation temperature C TcS Target temperature of Tc Varies depending on Tc setting operating frequency etc Note multi outdoor unit systems this control is made according to values of the first priority unit which is detected
197. er or refrigerant leakage electrical shock fire or explosion Read the User s Manual carefully before using this product The User s Manual provides important safety instructions and warnings Be sure to follow these instructions and warnings If you have any enquiries please contact your local importer distributor and or retailer K Cautions on product corrosion 1 Air conditioners should not be installed in areas where corrosive gases such as acid gas or alkaline gas are produced 2 If the outdoor unit is to be installed close to the sea shore direct exposure to the sea breeze should be avoided If you need to install the outdoor unit close to the sea shore contact your local distributor JMI 0107 COMPRESSORS AND VALVES JQA 1452 Organization a ee DAIKIN INDUSTRIES LTD a SONATO 9 AIR CONDITIONING MANUFACTURING DIVISION THAILAND LTD of the Daikin Group s business Scope of Registration Genpak Recitation 14001 5 facilities and subsidiaries in Japan THE DESIGN DEVELOPMENT AND MANUFACTURE OF TEE DESIGN DEVELOPMENT P Z certified under the ISO 14001 COMMERCIAL AIR CONDITIONING HEATING COOLING AND MANUFACTURE OF AIR 5 international standard for REFRIGERATING EQUIPMENT HEATING EQUIPMENT CONDITIONERS AND THE 9 o environment management RESIDENTIAL AIR CONDITIONING EQUIPMENT HEAT Taer COMPONENTS INCLUDING EC99J2044 RECLAIM VENTILATION AIR CLEANI
198. eris in its tripped position do not turn ON the power supply ON Knob Tripped OFF AE Circuit breaker Power failure After the power failure is reset restart the system immediate stop 2 The system starts operation but makes an Blocked air inlet or outlet of indoor or outdoor unit Remove obstacle s Clogged air filter s Clean the air filter s 3 system does not cool or heat air well In cooling In cooling In cooling Blocked air inlet or outlet of indoor or outdoor unit Remove obstacle s Clogged air filter s Enclosed outdoor unit s Clean the air filter s Remove the enclosure Improper set temperature Airflow rate set to LOW Set the temperature to a proper degree Set it to a proper airflow rate Improper direction of air diffusion Set it to a proper direction Open window s or door s Direct sunlight received Shut it tightly Hang curtains or shades on windows Too many persons staying in a room Too many heat sources e g OA equipment located in a room The model must be selected to match the air conditioning load 4 Thesystem does not operate The system stops and immediately restarts operation Pressing the TEMP ADJUST button immediately resets the system If the OPERATION lamp on the remote controller turns ON the system will be normal These symptoms indicate t
199. erter output current exceeds 32 3A even instantaneously Liquid sealing Defective compressor Defective inverter PCB Compressor current Overcurrent of inverter compressor Electronic thermal Compressor overload running An overcurrent of 19 0A or more continues for a period of 5 consecutive seconds or that of 16 1A or more continues for a period of 260 consecutive seconds For 230V units A current of 33 5A or more continues for a period of consecutive 5 seconds or that of 27 6A or more continues for a period of consecutive 260 seconds The inverter loses synchronization Back flow of compressor liquid Sudden changes in loads Disconnected compressor wiring Defective inverter PCB Defective inverter PCB No output is given Defective heavy current part of compressor Defective startup of inverter compressor The compressor motor fails to start up Liquid sealing or defective compressor Excessive oil or refrigerant Defective inverter PCB Inverter compressor lock The compressor is in the locked status does not rotate Defective compressor Radiation fin temperature rise The radiation fin temperature reaches 87 C or more while in operation Defective fan Running in overload for an extended period of time Defective inverter PCB Power supply voltage error The inverter power supply voltage is high or low P
200. ess 0000000 Cool Heat Binary number 1 0900000 1 Unified address O iai 6 digits 3 Address 000000909 i Binary number 1 2 L w noiss demand O ii 09000000 6 digits 3 Test operation OFF Test operation or XXX x fe Test operation ON Normal operation 5 Indoor forced fan O 0900009 Indoor forced fan 0000070 Indoor forced operation operation Indoor forced o i peration Low Level L 7844447 Normal Level High 8 Te setting HighG Level H Oeeeoeo High Oeeeocoe High O 000 Low 090000 9 Tc setting O Normal factory setting High OK A A JOLI Slow defrost 10 EN changeover Q e e Q o Q Normal factory setting Quick defrost 11 Sequential operation OFF O O setting ON 0900006 External low noise demand 12 External low noise 9 9 demand setting External low noise demand O X X X XOL YES Address 00000009 b 1 13 AIRNET address 0900000 6 High static pressure setting 18 High s
201. et pressure 3 0MPa Operating pressure of pressure switch Operating pressure 3 3MPa Reset pressure 2 5 Actuation of outdoor unit high pressure switch pressure switch Defective high pressure switch or pressure switch Defective outdoor unit main PCB A1P Instantaneous power failure Defective high pressure sensor Service Diagnosis 105 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check for the points shown below 1 Is the stop valve opened 2 Are the high pressure switch and pressure switch connector properly connected to the main PCB 8 Do the high pressure switch and pressure switch have continuity the 3 points above Rectify defective points if any 1 Mount a pressure gauge on the high pressure service port 2 Reset the operation using the remote controller and then restart the operation ls the Is the pressure switch high pressure NO due to error operating value normal i e switch operating value Replace the high E 3 recur 3 3MPa normal i e pressure switch and 4 0 pressure switch YES Are characteristics of the high pressure sensor normal 1 NO Replace the high pressure sensor YES Service Checker Connect the
202. evel 1 Short circuit 1 and Demand 1 Mode 2 The compressor operates at on the terminal Set item No 32 to Demand 1 and item No approx 70 or less of rating strip TeS1 30 to Level 2 Mode 3 The compressor operates at Set item No 32 to Demand 1 and item No approx 80 or less of rating 30 to Level 3 Demand 2 1 Short circuit 2 and Set 32 to Demand 2 Demand 3 Forced thermostat OFF Short circuit 3 and However the demand operation does not occur in the following operation modes Startup control 2 return operation 3 Defrosting operation 4 Pump down residual operation If carrying out demand or low noise input connect the adaptor s terminals as shown below F1 F2 3 60 External control 69 00 adaptor for 112131 outdoor unit row 1 1 I l L t 11 1 1 Host computer A Outside wiring indicated monitor panel 9 by dotted line or demand a controller A When the demand operation is carried out by external contact with the use of the external control adaptor for outdoor unit 1 Connect external control adaptor for outdoor unit and short circuit terminals as required Refer above figure 2 While in Setting mode 2 set the setting condition f
203. frigerant regulator This detects temperature of gas pipe for air heat exchanger Used to exercise the 18 ad Heat exchanger constant control of superheated degree when an evaporator is used for outdoor unit gas pip heat exchanging 19 R5T Thermistor Suction pipe Used to detect suction pipe temperature 20 Thermistor Heat exchanger Used to detect liquid pipe temperature of air heat exchanger Used to make deicer judgements on defrosting operation This detects temperature of gas pipe the evaporation side of subcooling heat 21 R7T 222 heat exchanger Used to exercise the constant control of superheated degree at the outlet ger gas pip of subcooling heat exchanger 22 Thermistor Subcooling heat This detects temperature of liquid pipe between the main electronic expansion exchanger liquid pipe and subcooling heat exchanger 23 R9T Liquid pipe This detects temperature of liquid pipe 25 S1NPH High pressure sensor Used to detect high pressure 26 S1NPL Low pressure sensor Used to detect low pressure 27 S1PH High pressure switch For In order to prevent the increase of high pressure when an error occurs this switch is INV activated at high pressure of 4 0 MPa or more to stop the compressor operation In order to prevent the increase of field piping pressure when an error occurs this 28 S2PH Pressure switch switch is activated at pressure of 3 3
204. fter installation was not performed by pressing the TEST button or if the check operation was not completed normally error code gt appears and normal operation is not possible sure to follow the instructions in 1 2 Check Operation and complete the check operation procedure 66 Field Setting SiBE341001_D Field Setting from Outdoor Unit 2 Field Setting from Outdoor Unit 2 1 List of Field Setting Items This following section indicates the list of field setting items For the lists of DIP switch contents Setting mode 1 and Setting mode 2 refer to information in tables shown on the following page onward For setting items of 1 refer to detailed information provided on P 78 onward 2 1 1 Function Setting Items Setting item Content and objective of setting Overview of setting procedure B COOL HEAT selection methods are possible to select from the following 1 Control by each outdoor unit using the order to use the COOL HEAT selection indoor unit remote controller remote controller set the DS1 1 on the outdoor Setting of COOL 2 Control by each outdoor unit using the unit PCB to OUT 1 HEAT selection 1 COOL HEAT selection remote controller 3 Batch control by outdoor unit group using the indoor unit remote controller 4 Batch control by outdoor unit group using the COOL HEAT selector remote controller For outdoor unit group control set the system to BATCH MASTE
205. fter the repair To check operate again press the RETURN button e e B 853 to turn the LED back to normal indications as procedure 1 1 Please refer to Remote controller ELECTRIC 5 indications at check operation to confirm AN G CIMIC SHOL in the details of each indication Do not move away from the outdoor unit if outside panel is not closed during a test 2 If outside panels are not closed it may not operation be able to operate normally when outdoor n case you need to move away from the outdoor unit follow either of the below air temperature is high etc directions 3 Remote controller does not indicate the toced res Make sure to check the LED 1 Replace with other installation worker EET operation 2 Press the RETURN button BS3 to cancel the test operation 4 Record the amount of refrigerant re charge In this case close all the outside panel and close also the valve if any cylinder is on the Safety precaution label connected 64 Field Setting SiBE341001_D Test Operation Remote controller displays error code Error code Installation error Remedial action Correct the error by reference to installation manual of Note Indoor unit of connecting remote controller is error indoor
206. g heat Subcooling exchanger constant 6 Y1S Ka A RE Used to charge refrigerant and discharge refrigerant from the refrigerant regulator 7 Y2S S auld oo Used to collect refrigerant to the refrigerant regulator 8 Y3S bet eta Used to collect refrigerant to the refrigerant regulator 9 Y4S Solenoid valve Hot gas Used to prevent the low pressure from transient falling 10 Y5S xd valve Circuit of oil Used to adjust the amount of oil in the mixing unit 11 Yes Used to switch the operation mode between cooling and heating 12 Y7S Used to switch dual pressure gas pipe to high pressure or low pressure 13 Y8S Four way valve Mixing unit Use to adjust the amount of refrigeration oil and clean pipes during check operation 14 Y9S Solenoid valve Mixing unit Use to adjust the amount of refrigeration oil and clean pipes during check operation inlet Use to prevent refrigerant from flowing into the mixing unit during normal operation 15 Thermistor Outdoor air Ta eee detect outdoor air temperature correct discharge pipe temperature and Used to detect discharge pipe temperature Used for compressor temperature 16 R2T Thermistor Discharge pipe protection control This detects temperature of liquid pipe between the air heat exchanger and main 17 Heat exchanger electronic expansion valve Used to make judgements on the recover or discharge quid pip refrigerants to the re
207. hanger Cross fin coil Cross fin coil Type Hermetically sealed scroll type Hermetically sealed scroll type Piston Displacement m h 16 89x1 15 75x1 15 75x1 13 34x1 16 89x1 16 89x1 15 75x1 13 34x1 Comp Number of Revolutions r p m 7980 7440 7440 6300 7980 7980 7440 6300 i 5k 3 6x1 3 3x1 3 3x1 2 8x1 3 6x1 3 6x1 3 3x1 2 8x1 Starting Method Soft start Soft start Type Propellor fan Propellor fan Fan Motor Output kW 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 0 35 1 Airflow Rate m min 110 110 110 95 110 110 110 95 Drive Direct drive Direct drive Connecting Liquid Pipe 15 9 C1220T Brazing connection 19 1 C1220T Brazing connection Pipes Gas Pipe 28 6 C1220T Brazing connection 31 8 C1220T Brazing connection Mass Weight kg 179 175 175 175 179 179 175 175 Safety Devices High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Defrost Method Deicer Deicer Capacity Control 5 100 5 100 Refrigerant Name R 410A R 410A Refrigerant Charge kg 11 2 10 6 10 6 10 3 11 2 11 2 10 6 10 3 Control Electronic expansion valve Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Clamps Insta
208. hat the System is controlled so as not to put unreasonable loads on the system Normal operation The system will automatically start operation after a lapse of 5 minutes The remote controller displays UNDER CENTRALIZED CONTROL which blinks for a period of several seconds when the OPERATION button is depressed The system is controlled with centralized remote controller Blinking display indicates that the system cannot be operated using the remote controller Operate the system using the COOL HEAT centralized remote controller The system stops immediately after turning ON the power supply The system is in preparation mode of micro computer operation Wait for a period of approximately 1 minute 5 The system The remote controller displays The system stops due to an Remove causes of electrical makes error codes t s and us and interruption in communication noises intermittent the system stops but restarts between units caused by If these causes are removed the stops after a lapse of several electrical noises coming from system will automatically restart minutes equipment other than air operation conditioners 6 COOL HEAT The remote controller displays This remote controller has no Use a remote controller with selection is UNDER CENTRALIZED option to select cooling operation option to select cooling operation disabled CONTROL The remote controller displays
209. ht side Condenser Condenser Evaporator ome Outdoor unit GR gt 25 Outdoor unit Left side Right side Left side Right side GR lt 20 Evaporator Condenser Evaporator Evaporator Note 1 GR is a numeric value representing the current balanced condition and calculated from target condensing temperature target evaporating temperature current condensing temperature and current evaporating temperature Multi outdoor unit system Outdoor unit 1 2 3 Condenser Condenser Condenser GR 15 GR lt 10 A2 Outdoor unit B1 Outdoor unit 1 2 3 1 2 3 Condenser Condenser Evaporator Evaporator on E Outdoor unit gt 25 B2 Outdoor unit 1 2 3 1 2 3 Condenser Evaporator Evaporator Evaporator o gt 15 one 4 Outdoor unit i GR gt 25 B3 Outdoor unit 1 2 3 2 3 Condenser Evaporator Evaporator Evaporator Evaporator Evaporator Note 1 GR is a numeric value representing the current balanced condition and calculated from target condensing temperature target evaporating temperature current condensing temperature and current evaporating temperature 2 On the system with 2 outdoor units if there is no step
210. i TRE 5 o DUAL PRESSURE I SASDIE CAPILLARY TUBE NEP FOUR WAY VALVE ex SINPH PRESSURE SENSOR SUCTION GAS HIGH PRESSURE PIPE FILTER BH VALVE CAPILLARY VALE AY TUBE FILTER HIGH PRESSURE SWITCH STRAINER CHECK VALVE spp S N 1 E US FILTER 1 CAPILLARY STRAINER CHECK VALVE N 9 SINPL PRESSURE SENSOR C SOLENOIBVANE Z LOW PRESSURE MIXING UNIT i i i ACCUMULATOR 4 ENPE 1 46 Function and Control SiBE341001_D Detailed Control Functions 2 6 Protection Control 2 6 1 High Pressure Protection Control This high pressure protection control is used to prevent the activation of protection devices due to abnormal increase of high pressure and to protect compressors against the transient increase of high pressure In cooling In case of multi outdoor unit system the following control is performed in the entire system Pc max indicates the maximum value within the system gt Normal Operation Pc_max gt 3 47 MPa Compressor step Max Step lt 3 24 After 15 sec Compressor system Compressor system 2 step down 10 sec 1 step up 15 sec Pc max 3 47 MPa After 15 sec max gt 3 55 MPa After 10 s
211. in PCB A1P YES Discharge pipe thermistor is normal and the temperature detection of the outdoor unit main PCB is also normal Actually the temperature of discharge pipe is high Remove the factor of overheat operation Refer to P 181 lea zie hl Refer to P 189 Note 1 Compare the resistance value of discharge pipe thermistor and the value based on the surface thermometer z GG 117 Diagnosis Troubleshooting Remote Controller SiBE341001_D 2 13 Humidity Alarm Remote Controller Display Applicable Models Method of Error Detection Error Decision m RQYQ PY1 RQEQ PY1 The condition of the liquid refrigerant returning to the compressor is detected by the temperature and pressure of any part during the cooling operation When the following humidity condition continues for 30 minutes Conditions Humidity condition in the indoor unit Humidity condition in some indoor units Supposed Defective suction pipe thermistor Causes Defective discharge pipe thermistor Defective high pressure sensor Defective indoor unit electronic expansion valve Contamination of the air filter 118 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred
212. in heating 36 Function and Control SiBE341001_D Detailed Control Functions Starting control Normal operation pens r HIE Master Slave 1 Slave 2 Outdoor unit rotation Priority Priority Priority 1 2 3 In Heating Any of outdoor unit stops for a period of 20 Normal operation minutes or more Normal operation K Master Slave 1 Slave 2 1 Master Slave 1 Slave 2 e ny m Outdoor unit Priority Priority Priority rotation Priority Priority Priority 1 2 3 3 1 2 Master unit slave unit 1 and slave unit 2 in this section are the names for installation They are determined in installation work and not changed thereafter These names are different from master unit and slave unit for control The outdoor unit connected the control wires F1 and F2 for the indoor unit should be designated as master unit Consequently The LED display on the main PCB for master unit slave unit 1 and slave unit 2 do not change System with 2 outdoor units Outdoor Unit 1 Outdoor Unit 2 Previous time Priority 1 Priority 2 This time Priority 2 Priority 1 Next time Priority 1 Priority 2 System with outdoor units Outdoor Unit 1 Outdoor Unit 2 Outdoor Unit 3 Previ
213. ion between the master unit and the slave unit 1 Go on to the Diagnosis Flow 4 Abnormal transmission between the master unit and the slave unit 2 Go on to the Diagnosis Flow 5 Faulty auto address of the slave units 1 2 and 3 Go on to the Diagnosis Flow 6 Erroneous manual address settings of the slave units 1 2 and 3 Go on to the Diagnosis Flow 7 Connection of five or more outdoor units to the same circuit Go on to the Diagnosis Flow 8 Abnormal transmission between the master unit and the slave unit 3 Go on to the Diagnosis Flow 9 Indoor connection capacity error by a test operation Go on to the Diagnosis Flow 10 BS alarm cooling heating unified ADP 156 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 1 Check 3 Check 4 0290 Check if any disconnection or connection error is detected in connecting wires with external control adaptor for outdoor unit YES gt Correct the connecting wiring with the external control adaptor for outdoor unit Check if the norma condition monitor LED for the outdoor unit PCB blinks Check if power is supplied to the outdoor units NO Supply the power to the outdoor
214. is 115 Troubleshooting Controller SiBE341001_D 2 12 Abnormal Discharge Pipe Temperature Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes RQYQ PY1 RQEQ PY1 The error is detected according to the temperature detected by the discharge pipe thermistor When the discharge pipe temperature rises to an abnormally high level 135 C or more When the discharge pipe temperature rises suddenly 120 C or more continues for 10 minutes Defective discharge pipe thermistor Defective connection of discharge pipe thermistor Defective outdoor unit PCB A1P 116 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution parts damage may be occurred Connect the service checker Reset the operation and start operation again Is the discharge NO pipe thermistor Replace the discharge pipe dui thermistor YES Connect the service checker to compare the temperature of discharge pipe by using service checker with actual measurement value of discharge pipe thermistor ls the temperature decharge pipe by using service checker same with actual measurement value of discharge pipe thermistor NO gt Replace the outdoor unit ma
215. ision Conditions Supposed Causes Troubleshooting RQYQ PY1 RQEQ PY1 Abnormality is detected under the communication conditions in the hardware section between the indoor unit and outdoor unit When the communication conditions in the hardware section between the indoor unit and the outdoor unit are not normal Defective outdoor unit main PCB A1P Defective connection of inside outside relay wires Be sure to turn off power switch before connect or disconnect connector Caution parts damage may be occurred Turn OFF the power once and turn ON again Return to normal Check if inside outside relay wires of YES outdoor unit main PCB is disconnected External factor other than error for example noise etc Connect the inside outside relay wires correctly Replace the outdoor unit main PCB A1P 102 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 6 Earth Leakage by Leak Detection PCB Assy Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes RQYQ PY1 RQEQ PY1 Failure is to be detected by using leak detection PCB assy Reverse phase is to be detected at all times during operation by the reverse protector PCB assy Leakage is detected under the conditions outside of the scope of high pressur
216. istor is normal Check if insulation resistance of the compressor is 100kQ and above Replace the compressor and compressor inverter PCB A3P at the same time gt Replace the inverter PCB A3P Check if the power transistor of the fan driver is normal YES NO gt Replace the compressor inverter PCB and fan inverter PCB gt Replace the inverter PCB Refer to P 182 130 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 20 Inverter Radiation Fin Temperature Rise 1 U L Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Error Radiation of compressor inverter PCB Detection Fin temperature is detected by the radiation fin thermistor Error Decision When the temperature of the inverter radiation fin increases above 87 C Conditions Supposed Actuation of fin thermal Actuates above 87 C Causes Defective inverter PCB Defective radiation fin thermistor Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred he radiation fin of the inverter PCB concerned exceeded a temperature of 87 C Defective radiation fin from the power unit Blocked air suction port Stained radiation fin High outdoor air temperature Turn OFF the power supply and then make
217. item No 22 Setting of low night noise operation level 2 If necessary while in Setting mode 2 select the setting condition i e 20 00 22 00 or 24 00 for Set item No 26 Setting of start time of low night noise operation Use the start time as a guide since it is estimated according to outdoor air temperatures 3 If necessary while in Setting mode 2 select the setting condition i e 06 00 07 00 or 08 00 for set item No 27 Setting of end time of low night noise operation Use the end time as a guide since it is estimated according to outdoor air temperatures 4 If necessary while in Setting mode 2 set the setting condition for set item No 29 Setting of priority to ON If the condition is set to ON when the air conditioning load reaches a high level the system will be put into normal operation mode even during night time Field Setting 85 Field Setting from Outdoor Unit SiBE341001_D 2 7 4 Setting of Demand Operation By connecting the external contact input to the demand input of the external control adaptor for outdoor unit optional the power consumption of unit operation can be saved suppressing the compressor operating condition Setting content Setting method External control Set item Condition Content adaptor for outdoor Outdoor unit PCB unit Mode 1 The compressor operates at Set item No 32 to Demand 1 and item No approx 60 or less of rating 30 to L
218. its for various settings EMG operation ON e backup operation setting OFF Defrost select setting Short Medum 9 o Long o o Te setting L o Tc setting o o o Data such as addresses and number of units is expressed as binary numbers the 2 ways of expressing are as follows 0 000000 16 4 1 32 8 2 9200 0000 16 64 No 12 128 32 900 0000 i 4 1 No 13 8 2 See the preceding page for a list of data etc for No 0 25 The No 1 cool heat unified address is expressed as a binary number consisting of the lower 6 digits 0 63 In the address is 010110 binary number which translates to 16 4 2 22 base 10 number In other words the address is 22 The number of terminal blocks for No 12 and 13 is expressed as an 8 digit binary number which is the combination of 4 upper and 4 lower digits for No 12 and 13 respectively 0 128 In the address for No 12 is 0101 the address for No 13 is 0110 and the combination of the 2 is 01010110 binary number which translates to 64 16 4 2 86 base 10 number In other words the number of terminal block is 86 Field Setting 77 Field Setting fr
219. l of superheated degree Wet operation In heating TE Outdoor unit electronic expansion valve opens too much 2 Degraded evaporating capacity Defective outdoor unit electronic expansion valve Defective crankcase heater Frequent ON OFF of compressor Defective Defective valve coil Defective valve body Defective gas pipe thermistor of indoor unit Defective liquid pipe thermistor of indoor unit Defective service monitor Defective valve coil Defective valve body Defective low pressure sensor control Dirty evaporator Decreased airflow rate Defective suction pipe thermistor Defective service monitor PCB lt Refer to Check 6 lt Are the coil resistance and insulation normal 18 the connector properly connected Are the thermistor resistance characteristics normal Is the connector properly connected Are the thermistor resistance characteristics normal Are the coil resistance and insulation normal lt Are the electric characteristics normal Is the connector properly connected Are the thermistor resistance characteristics normal the pressure value checked with the Ser
220. l Name Power Supply BSVQ 100P 160P 250P Heat Recovery Series V1 BSV 4Q100P 6Q100P S V1 16 220 240 50Hz General Information SiBE341001_D External Appearance 2 External Appearance 2 1 Outdoor Unit H P RQYQ140 180PY1 H P RQCYQ280 360PY1 H R RQEQ140 180 212PY1 H R RQCEQ280 360PY1 EE o 5 6 5 7 5 HP 10 13 HP RQCYQ460 500 540PY1 H R RQCEQ460 500 540 636PY1 We LEE L T m m ai ees esee ee Pal m l 16 18 20 22 24 26 28 30 2 2 BS Units BS Units E Centralized BS Units BSVQ100P BSV4Q100P BSVQ160P BSV6Q100P BSVQ250P General Information 3 Combination Units SiBE341001_D 3 Combination of Outdoor Units Heat Pump Series
221. l systems replace the control PCB A1P With multi systems replace the outdoor unit main PCB A1P The number of indoor units exceeds the standard Check the connection to correct Replace the outdoor unit main PCB With individual systems replace the control PCB A1P With multi systems replace the outdoor unit main PCB A1P Match the refrigerant types of the outdoor unit and the indoor unit 166 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage be occurred Diagnosis Flow 3 Check 3 Check 4 Q9 O e e e o 000090900 Check if the outdoor unit PCB is replaced with spare PCB Is a correct spare PCB procured Check if the spare NO NO Replace the outdoor unit main PCB Check the model of the outdoor unit Replace it with the correct spare PCB PCB setting is correct gt Correct the setting to reset the power Diagnosis Flow 4 Check 3 Check 4 090 Wrong connection error Are indoor units only for VRV Is NO gt Replace the spare PCB any residential one included YES gt Exclude residential indoor units from the system gt Replace the outdoor unit PCB Service Diagnosis 167 Tro
222. lectronic expansion valve Subcooling Y3E 0 pls Solenoid valve Refrigerant regulator hot gas Y1S OFF Solenoid valve Refrigerant regulator liquid pipe bs MEE Solenoid valve Refrigerant regulator gas vent pipe 5 Solenoid valve Hot gas Y4S OFF Solenoid valve Circuit of oil return Y5S OFF Four way valve Heat exchanger switch Y6S OFF Four way valve Dual pressure gas pipe Y7S OFF Four way valve Mixing unit Y8S OFF Solenoid valve Mixing unit inlet Y9S OFF Ending condition e 2 min passed OR e Te lt 2 C In the case of multi outdoor unit system Master unit Performs the operations listed in the table above Slave units Operating units perform the operations listed in the table above Non operating units perform the operations listed in the table above from the oil return operation Non operating unit stops during return preparation operation Indoor Unit Electri Cooling oil return operation Part Name Serie Symbol Thermostat ON unit Thermostat OFF unit Stopping unit Indoor unit fan M1F Remote controller setting Remote controller setting OFF Electronic expansion Normal opening degree for valve Main TIE Normal opening forced thermostat ON 224 pls BS Unit Electric Symbol Cooling oil return operation Electronic expansion valve EVSC YIE 0 pls Electronic expansion valve EVHS Y2E 0 60 pl
223. lectronic expansion valve have continuity When the power supply turns ON there is no currents pass through the common COM Conditions Supposed W Connector disconnected from the electronic expansion Causes m Defective electronic expansion valve coil Defective of the BS unit 120 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Turn OFF the power supply once and then ON again Return to normal External factor other than error for example noise etc While in monitor mode identify an electronic expansion valve subject to the Error Code 5 O When Check 4 is set as shown below Check 3 Check 4 00000 O 9 Electronic expansion valve Y4E 9oee O Electronic expansion valve Y5E ocee 0 O 9 Electronic expansion valve Y2E Electronic expansion valve 9oee O O 9 Electronic expansion valve Y1E electronic expansion valve of the PCB concerned properly connected Properly and securely connect the connector 5 the resistance of th electronic expansion valve coil normal See 1 Replace the electronic expansion valve coil concerned Replace the BS uni
224. leje jejeje e 5 ae ee eec e e ge lololo lololo fo jo elelelelelele elele eleje jelele jejeje le eleje 2 2 e e e e 2s 8 oF ge 2 a e e e e e e e e e e e e 99 Service Diagnosis Troubleshooting Remote Controller SiBE341001 D Monitor mode Error Error code To enter the monitor mode press the Description of error Description of error PGF Remote MODE BS1 button when in Setting controller mode 1 Open phase and unbalanced power Unbalanced INV power supply voltage supply INV radiation fin temperature sensor INV fin thermistor abnormality abnormality Faulty combination of INV and fan Faulty combination of INV Refer to P 76 for Monitor mode driver Reversed phase Reversed phase abnormality Reversed phase abnormality ON Abnormal power supply voltage Insufficient INV voltage Press the SET BS2 button and set INV open phase single phase the LED display to a setting item Abnormal charge of capacitor of INV main circuit Test operation not carried out yet Test operation not carried out yet Test operation was not completed normally Test operation was not completed m during initial transmission Confirmatio
225. level when the low noise signal is input and set to the initial status of low noise level from outside Setting mode 2 i i 26 eben AT Sets starting time of low night noise operation etin Low night noise setting is also required Low night noise If you become unsure of how to 27 Genk end Sets ending time of low night noise operation proceed press the MODE BS1 setting Low night noise setting is also required button and return to setting mode 1 QM Used for service diagnosis of DC compressor Since the 28 Check after waveform of inverter is output without wiring to the disconnection of compressor it is convenient to probe whether the trouble compressor wires comes from the compressor or PCB If the capacity control is required the low noise control is 29 priority automatically released by this setting during carrying out 9 low noise operation and low night noise operation Changes target value of power consumption when 30 Demand setting 1 demand control 1 is input Normally enables demand control 1 without external 32 Normal demand input Effective to prevent a problem that circuit breaker setting of small capacity is shut down due to large load 72 Field Setting SiBE341001_D Field Setting from Outdoor Unit No Setting item Description 35 Setting of difference in elevation for the outdoor unit Make the setting when the outdoor
226. llation manual Operation manual Connection pipes Clamps Drawing No Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 2 ndoor temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference Conversion Formulae W cfm m minx35 3 Specifications 13 Specifications SiBE341001_D Model Name Combination Unit RQCEQ816PY1 RQCEQ848PY1 Model Name Independent Unit RQEQ212PY1 RQEQ212PY1 RQEQ212PY1 RQEQ180PY1 RQEQ212PY1 RQEQ212PY1 RQEQ212PY1 RQEQ212PY1 kcal h 70 200 72 900 1 Cooling Capacity Btu h 278 400 289 300 81 6 84 8 kcal h 75 000 77 100 x2 Heating Capacity Btu h 297 600 305 700 kw 87 2 89 6 Casing Color White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 1680 635 765 Cross fin coil Cross fin coil Type Hermetically sealed scroll type Hermetically sealed scroll type Piston Displacement m h 16 89x1 16 89x1 16 89x1 15 75x1 16 89x1 16 89x1 16 89x1 16 89x1 Comp Number of Revolutions r p m 7980 7980 7980 7440 7980 7980 7980 7980 3 6x1 3 6x1 3 6x1 3 3x1 3 6x1 3 6x1
227. load protector Defrost Method Deicer Deicer Capacity Control 7 100 7 100 Refrigerant Name R 410A R 410A Refrigerant Charge kg 10 6 10 6 10 6 11 2 11 2 11 2 Control Electronic expansion valve Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Installation manual Operation manual Connection pipes Clamps Clamps Drawing No Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level Conversion Formulas difference kcal n kWx860 2 temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference Piu Eben 12 Specifications SiBE341001_D Specifications Model Name Combination Unit RQCEQ712PY1 RQCEQ744PY1 Model Name Independent Unit RQEQ212PY1 RQEQ180PY1 RQEQ180PY1 RQEQ140PY1 RQEQ212PY1 RQEQ212PY1 RQEQ180PY1 RQEQ140PY1 kcal h 61 200 64 000 1 Cooling Capacity Btu h 242 900 253 900 kW 71 2 74 4 kcal h 67 400 69 500 x2 Heating Capacity Btu h 267 500 275 700 kW 78 4 80 8 Casing Color Ivory White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680x635x765 1680x635x765 1680x635x765 1680x635x765 1680x635x765 1680x635x765 1680x635x765 1680x635x765 Heat Exc
228. low Rate m min 110 95 95 110 110 95 Drive Direct drive Direct drive Connecting Liquid Pipe 912 7 C1220T Brazing connection 15 9 C1220T Brazing connection Pipes Gas Pipe 28 6 C1220T Brazing connection 28 6 C1220T Brazing connection Mass Weight kg 175 175 175 175 175 175 Safety Devices High pressure switch fan driver overload protector High pressure switch fan driver overload protector overcurrent relay inverter overload protector overcurrent relay inverter overload protector Defrost Method Deicer Deicer Capacity Control 8 100 7 100 Refrigerant Name R 410A R 410A Refrigerant Charge kg 10 6 10 3 10 3 10 6 10 6 10 3 Control Electronic expansion valve Electronic expansion valve Refrigerator Oil Refer to the nameplate of compressor Refer to the nameplate of compressor Standard Accessories Installation manual Operation manual Connection pipes Clamps Installation manual Operation manual Connection pipes Clamps Drawing No Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level difference Om 2 ndoor temp 20 CDB outdoor temp 7 6 CWB Equivalent piping length 7 5m level difference Conversion Formulae irae dls W cfm m minx35 3 Specifications 11 Specifications SiBE341001_D Mo
229. lt SOLENOID DUAL PRESSURE CAPILLARY TUBE VANE GASPIPE U PRESSURE SENSOR FOUR WAY VALVE HIGH PRESSURE SUCTION GAS FILTER 4 4 Foun wav CAPILLARY CHECK VALVE S VALVE c TUBE 18 FILTER 2 lt HIGH PRESSURE 5012000 SWITCH VALVE CHECK VALVE i OIL SEPARATOR Zt CHECK ANER FILTER VALVE STRAINER CAPILLARY i STRAINER 9 CHECK VALVE PRESSURE SENSOR j SOLENOID VALVE LOW PRESSURE MIXING UNIT ACCUMULATOR NUDO 1 7 STOP VALVE WITH SERVICE PORT 67 9mm FLARE CONNECTION 7 7 7 i 7 7 7 5 7 7 7 7 E CHECK i 7 7 SOLENOID VALVE 7 7 7 7 7 VALVE STRAINER E in SOLENOID VALVE 2 FILTER 5 ELECTRONIC SOLENOID VALVE REFRIGERANT EXPANSION VALVE REGULATOR amp FILTER ELECTRONIC ELECTRONIC bad gt EXPANSION LIQUID PIPE FILTER EXPANSION VALVE 1 1 Fan Mug PRESSURE REGULATING VALVE N EXCHANGER 7 ABSOLUTE PRESSURE HN 1 SERV CE SERVICE PORT FOUR WAY VALVE PORT A lt 2 i PRESSURE AT SWITCH EXCHANGER CAPILLARY TUBE re PIPE B4 1 4 DUAL PRESSURE CAPILLARY TUBE GAS PIPE e PRESSURE SENSOR j FOUR WAY VALVE HIGH PRESSURE SUCTION GAS FILTER ft FIFE CHECK VALVE i FOURWAY CAPILLARY 2 VALVE A TUBE FILTER Ny m 7 HIGH PRESSURE SOL
230. ly the power to the outdoor unit Replace the outdoor unit main PCB Check if the normal condition monitor LED for the external control adaptor for outdoor unit blinks Check if the power supply wire for the external control adaptor for outdoor unit is connected to 5V supply line YES NO Connect the power supply wire for the external control adaptor for outdoor unit to 5V supply line Set the SELECT of the external control adaptor for outdoor unit to IND Then check if the failure occurs again Replace the PCB of the external control adaptor for outdoor unit Replace the outdoor unit main PCB 158 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 3 Check 3 Check 4 G20 0 0000000000 Check the connection status of connecting wires of the outdoor multi to SLAVE 1 Check if the wiring is disconnected or is about to be disconnected NO Replace the outdoor unit main PCB of the SLAVE 1 gt Correct the connecting wires of the outdoor multi and then reset the power supply Diagnosis Flow 4 Check 3 Check 4 gt Check the connection s
231. made Is the air filter clogged Is there any obstacle in the airflow passage Is the indoor unit too small compared to the large sized outdoor unit Stop valve closed Local High pipe pressure resistance Bent or crashed pipe Clogging of foreign materials In cooling If the outdoor unit electronic Defective outdoor Defective valve coil expansion valve is throttled 7 2 ef expansion valve 1 temperature diference in excess of 10 C Defective valve body between inlet and the outet is deemed to be abnormal Defective high pressure sensor Defective control 1 Defective service Defective monitor PCB on pressure Detective indoor Defective valve coil unit electronic expansion valve Defective valve body r Defective high pressure sensor In heatin the unit electronic Defective Defective indoor unit expansion valve excessively control iquid pipe thermistor Defective service 2 monitor coolin 9 High suction air Short circuit S temperature High suction High outdoor air an outdoor unit temperature temperature HET of the High suction Short circuit condenser H air temperature of indoor unit High room temperature Defective suction air thermistor of indoor unit heating I High suction air temperature of outdoor unit H Defective outdoor air temperature thermistor of outdoor unit Degradati
232. measurement of resistance of the radiation fin thermistor Is the thermistor resistance normal Replace the thermistor Connect and disconnect the connector X111A for the radiation fin thermistor and then properly connect it Does the error recur when the power supply turns ON to start the compressor YES Replace the inverter PCB gt Continue the operation It is supposed that the radiation fin temperature became high due to some field factors In this connection check the following points Stained radiation fin Airflow obstructed with dirt or foreign matters Damage to fan impellers Too high outdoor air temperature Service Diagnosis 131 Troubleshooting Controller SiBE341001_D 2 21 Momentary Overcurrent of Inverter Compressor Remote Controller Display Applicable Models Method of Error Detection Error Decision ro RQYQ PY1 RQEQ PY1 Error is detected from the current flowing in the power transistor When an excessive current 59 1A flows in the power transistor Conditions Instantaneous overcurrent also causes activation Supposed Defective compressor coil disconnected defective insulation Causes Compressor startup error mechanical lock Defective inverter PCB 132 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting
233. n Normal Operation 2 Compressor PI Control 3 Compressor Step Control 4 Electronic Expansion Valve PI Control 5 Step Control of Outdoor Unit Fans 6 Heat Exchanger Control 7 Control of Refrigerant Amount 2 6 Protection Control 1 High Pressure Protection Control 2 Low Pressure Protection Control 3 Discharge Pipe Protection Control 4 Inverter Protection Control Retry 22 Standby 1 Restart Standby gt 2 Indoor unit Crankcase 1 5 thermostat A y OFF 5 gt Pump down Residual ti Indoor unit thermostat ON Indoor unit stop or E thermostat OFF 2 3 Outdoor Unit lt Rotation E gt In Operation met change Oil return setting conditions are Defrost setting conditions are Cooling Heating Retry Indoor unit stop or fr Special Control thermostat OFF Yes 1 return Operation Yes 2 Defrost Operation Yes 2 Note This function does not used because there is heating operation 34 Function and Control SiBE341001_D Function General 1 2 Symbol
234. n indoor unit and remote controller main and sub is normal Normal transmission does not continue for a certain amount of time Transmission error between main and sub remote controller Connection among sub remote controllers Defective remote controller Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Caution Controlling with 2 remote controller SS1 of remote controller PCB is set to MAIN Set SS1 to MAIN Turn OFF the power supply once and restart operation Both SS1 of remote controllers is set to gt Turn OFF the power once SUB and restart If an error operation occurs replace YES the remote controller PCB gt Set SS1 of one remote controller to MAIN Turn OFF the power supply once and restart operation 162 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 36 Transmission Error between Indoor and Outdoor Units in the Same System Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting All indoor models RQYQ PY1 RQEQ PY1 Detect error signal for the other indoor units within the circuit by outdoor unit PCB When the error decision is made on any other indoor unit within the system concerned Transmission error within o
235. n of error 1 gt Test operation was not completed Press the RETURN BS3 button during normal transmission once to display First digit of error Test operation was not completed code transmission error Test operation was not completed all units have transmission error Faulty transmission between indoor IN OUT transmission error and outdoor units System error Faulty transmission between outdoor Error caused when mounting the units external control adaptor Confirmation of error 2 Alarm given when mounting the external control adaptor for outdoor unit Mes B52 button once g Detail Error caused between the master and display Second digit of error code description he slave 1 on next Error caused between the master and page he slave 2 Error caused between the master and he slave 3 Faulty address setting of slaves 1 2 and 3 4 or more outdoor units connected in he same system Press the SET 52 button once to Erroneous address of slaves 1 2 and 3 display error location BS alarm Indoor connection capacity error by a est operation Faulty transmission with other Other system or other unit in the same systems system Faulty field setting Excess indoor units connected Connection of erroneous models of indoor unit lt Confirmation of error 4 gt Faulty combination of outdoor units Press the SET 52 button once to a romney 1 aulty wiring units dedicated to mult dis
236. n the power transistor When the inverter secondary current value is below Conditions 1 33 5A and over continues for 5 seconds 2 27 6A and over continues for 260 seconds Supposed Compressor overload Causes Compressor coil disconnected Disconnection of compressor Defective inverter PCB 134 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Output current check Caution parts damage may be occurred Power OFF Be sure to turn off power switch before connect or disconnect connector Isthe stop valve NO opened YES Are the compressor NO Y Open the stop valve Replace the compressor lead wires normal Are the wiring and connection to NO Y lead wires Correct the wiring and the compressor normal Is the insulation resistance of the YES connection compressor 100kQ or less Compressor coils YES are disconnected NO Replace the inverter compressor Replace the inverter compressor Is the power transistor normal YES Connect the compressor lead wires then restart the operation NO Error code 4 4 is Replace the inverter PCB Continue the operation displayed again pressure difference between high pressure and NO low pressure before restarting
237. n this binder or in this manual where he she will find additional information on a viii Introduction SiBE341001_D 1 3 Preface Thank you for your continued patronage of Daikin products This is the new service manual for Daikin s Year 2011 VRVIII Q series Daikin offers a wide range of models to respond to building and office air conditioning needs We are confident that customers will be able to find the models that best suit their needs This service manual contains information regarding the servicing of VRVIII Q series R 410A Heat Pump Heat Recovery System October 2011 After Sales Service Division SiBE341001_D Part 1 General Information 1 Model Names of Outdoor BS 2 1 1 Outdoor eei eA 2 1 2 BS UN 5 5 Leu ee 2 2 External N E 3 2 1 Qutdoor s 3 2 0 BS UN 3 3 Combination of Outdoor 4 4 Model 0 4 General Information Model Names of Outdoor BS Unit SiBE341001_D 1 Model Names of Outdoor BS Unit 11 Outdoor Unit Series Model Name Power Supply Heat Pump RQYQ 140P 180P Heat Recovery RQEQ 140P 180P 212P Y1 36 380 415V 50Hz 12 BS Unit Type Mode
238. nal External control indoor unit RC R A N ay ww BIR forum 32 BER H 9 R 9 R o switch 051 1 C H SELECTOR ABC OUT MULTI 2 01 02 OUT MULTI F1 22 F1 22 01 02 TERMINAL ADDRESS sececron SELECTOR C indoor unit No 2 C H group address No 2 Central 1 e 09 O 9 Terminal C H SELECT 2 SLAVE L H 9 2 o comse SELECT DIP switch DSI T N SELECTOR lOUT MULTI 2 a1 Q2 MULT To indoor unit To indoor unit Field Setting 83 Field Setting from Outdoor Unit SiBE341001_D 2 7 2 Cool Heat Changeover Setting For RQCEQ Type To use cool heat changeover remote controller 1 Set the DIP switch on the BS unit PCB DS 1 1 according to the following before turning ON the BS unit 2 Connect the cool heat changeover remote controller to A B and C of the terminal strip X2M 1 2 ON OFF 051 Cool heat changeover
239. nd outdoor units Normal operation lt Indoor and outdoor units gt Hissing sounds are produced immediately after the startup or stop of the system or the startup or stop of defrosting operation These sounds are produced when the gas refrigerant stops or changes flowing Normal operation lt Indoor unit gt Faint sounds are continuously produced while in cooling or after stopping the operation These sounds are produced from the drain discharge device in operation Normal operation lt Indoor unit gt Creaking sounds are produced while in heating or after stopping the operation These sounds are produced from resin parts expanding and contracting with temperature changes Normal operation lt Indoor unit gt Sounds like trickling or the like are produced from indoor units in the stopped state On VRV systems these sounds are produced when other indoor units in operation The reason is that the system runs in order to prevent oil or refrigerant from dwelling Normal operation lt Outdoor unit gt Pitch of operating sounds changes The reason is that the compressor changes the operating frequency Normal operation Service Diagnosis 93 Symptom based Troubleshooting SiBE341001_D Symptom Supposed Cause Countermeasure 12 Dust comes out from the system Dust comes out from the system when it restarts after the stop f
240. ndoor unit Diagnosis Flow 10 Check 3 Check 4 920 00000000000 Check if any disconnection or NO connection error is detected in gt Replace the outdoor unit PCB connecting wires with external control adaptor for unit YES Is the normal operation monitor LED on the BS PCB blinking Check if the normal condition monitor LED for the external control adaptor for outdoor unit blinks Is the power supplied to BS the power supply wire for the external control adaptor for outdoor unit is connected to 5V supply line gt Correct the connecting wiring with the external control adaptor for outdoor unit Turn ON the power of BS Replace the BS unit PCB Connect the power supply wire for the external control adaptor for outdoor unit to 5V supply line Replace the PCB of the external control adaptor for outdoor unit gt Replace the BS unit PCB Service Diagnosis 161 Troubleshooting Remote Controller SiBE341001_D 2 35 Transmission Error between Main and Sub Remote Controllers 1101 Controller Display Applicable All indoor models Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting In case of controlling with 2 remote controller check the system using micro computer if signal transmission betwee
241. necting main PCB of the master outdoor wires has been 6 modified unit Keep pressing for 5 seconds or more Operation does not start NO for a maximum 12 minutes Are the Do all the indoor remote indoor outdoor YES controllers within the same outdoor outdoor connecting Replace the indoor unit PCB refrigerant grout display wires normal UT 1 5 Correct the connecting wires Reset the power supply Does the normal Is the condition monitor for the voltage between R NO micro computer HAP S terminals on the outdoor Correct the voltage 400V on the outdoor unit PC unit PCB 400V blink Does the LED YES NO preparation mode 127 on quis ae Replace the fuse the outdoor unit PCB blown blink gt Replace the outdoor unit PCB ights do not go out for 12 minutes or Press the RESET button on the main PCB of the outdoor unit main PCB Keep pressing for 5 seconds or more Are the indoor NO outdoor outdoor gt Correct the connecting wires outdoor connecting ires normal Check if the operation is normal with NO 1 circuit after outdoor outdoor Replace the outdoor unit main connecting wires are PCB disconnected gt Install DIII NET extender adaptor 152 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Continued from the previous pag
242. nosis Flow 8 Check 3 Check 4 d00 000000080000 Check the connection status of the connecting wires of outdoor multi to SLAVE 3 YES Check if the wiring has any connection error or broken or is about to be disconnected settings For detail refer to information in the AIRNET Installation Manual Correct the connecting wires of the outdoor multi and then reset the power supply Replace the outdoor unit main PCB Correct the connecting wires of the outdoor multi and then reset the power supply Replace the outdoor unit main PCB A1P Correct the connecting wires of the outdoor multi and then reset the power supply Replace the outdoor unit main PCB of the SLAVE 3 160 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting A Caution Diagnosis Flow 9 Check 3 Check 4 ls there wrong connection between indoor and outdoor NO Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred between indoor and indoor and on the outdoor multi YES Is the connection NO gt Correct the connection wiring and reset the power capacity of the indoor unit below the specified level Check the connection capacity of the i
243. ntrol adaptor for outdoor unit and short circuit terminal of low night noise operation Refer below figure If carrying out demand or low noise input connect the adaptor s terminals as shown below F1 F2 amp 4 CO External control 69 60 69 60100 adaptor for 2131Cl Low outdoor unit noise 1 lack ololol monitor panel ee _ Qt by dotted line Host computer Outside wiring indicated or demand controller 2 While in Setting mode 2 set the setting condition for set item No 12 Setting of external low noise demand operation to YES 3 If necessary while in Setting mode 2 select the setting condition i e Mode 1 Mode 2 or Mode 3 for set item No 25 Setting of external low noise level 4 f necessary while in Setting mode 2 set the setting condition for the set item No 29 Setting of capacity priority to ON If the condition is set to ON when the air conditioning load reaches a high level the low noise operation command will be ignored to put the system into normal operation mode B When the low night noise operation is carried out automatically at night The external control adaptor for outdoor unit is not required 1 While in Setting mode 2 select the setting condition i e Mode 1 Mode 2 or Mode 3 for set
244. ntrol and electronic expansion valve control As information for making a judgement refer to the information below Diagnosis of overcharge of refrigerant 1 High pressure rises Consequently overload control is conducted to cause insufficient cooling capacity 2 The superheated degree of suction gas lowers or the wet operation is performed Consequently the compressor becomes lower in discharge pipe temperature despite of pressure loads 3 The subcooled degree of condensate rises Consequently in heating the temperature of discharge air through the subcooling section becomes lower i High pressure i drooping control High pressure Frequency comes to 1 gradually rises with the minimum level 1 1 1 1 increase frequency Subcooling degree becomes higher Liquid connection pipe temperature lowers High pressure Low pressure is maintained at a constant level Low pressure due to decreased compressor output Frequency To maintain low pressure frequency increases under the capacity control The outdoor unit electronic expansion valve Heating is closed due to the overload control Frequency comes to 1 the minimum level High pressure is maintained at a constant level High pressure d 1 1 1 1 1 1 1 1 High pressure drops or rises immediately after
245. o into Set up Mode 1 If H2P is lighted ON check the defect codes with a remote controller to find out the cause Repair the defect part according to the list on the installation manual Normal H2P OFF Defect H2P ON 2 After confirmed that it s back in a normal condition press TEST button BS4 for longer than 5 seconds It starts warming up for the operation and LED indication turns as right descriptions Close all the outside panels after putting back the service cover 2 Startup and waiting operation for stable conditions approx 10 to 25 min The outdoor and indoor unit fan is operated in order to stabilize the refrigerant conditions And then the compressor starts operation Operation to check stop valve and wrong wiring approx 5 min Contamination prevention is operated at the same time Operation to check refrigerant amount approx 10 to 20 min Check the refrigerant amount and make adjustments Contamination prevention is operated at the same time 1 When the system stop operation open the outside panel of the EL compo box then check the LED indications through the inspection door If the LED indicate as right connect the refrigerant tank to the refrigerant re charging port Press the test operation button 854 for longer than 5 seconds after connection of the refrigerant tank LED change indications then re start Use a refrigeran
246. oejes 100pul 8 Z j a qQISsod uonoejes 2 P E 3 n sa pa wun Sg 58 ra Jepeeu 3N33H LIN438 I 589 19 8 H U EI L 18 juiof 13N33H LE es uonoeuuoo 1514 03904 545 Joopino nin Jepeay 13Nd3H pue 13N43H 1urof L3Nd3H 29 1 edid pinbi edid se6 ced sedid e utu se pesn yun Joopul 01 1
247. of the centralized remote controller do not dismount the master unit centralized setting connector i e use the connector with the factory setting unchanged e To independently use the schedule timer insert an independent use setting connector No independent use setting connector has been mounted at the factory Insert the connector which is attached to the casing of the master unit in the CN1 X1A Independent use connector Master unit centralized setting connector Touse 2 or more centralized control equipment in combination make settings according to the table shown below Centralized control equipment connection pattern Setting of master unit centralized setting connector 2 Pattern intelligent Centralized Unified intelligent Centralized Unified Touch remote ON OFF SE Touch remote ON OFF 22215 Controller controller controller Controller controller controller Only a single unit 10 1 Provided Others Not provided x 1 1 unit 1 unit Provided Not provided x 1 1198 All Not units Single unit rovided ie 1 Provided Others Not provided Only a i single unit u i 1104 11016 1 unit Provided All Not Not provided units units Others Not provided 1 unit provided Not provided 9 Only a single unit 11016 Provided units 1 unit Others
248. oling and heating Each indoor unit Starts the hot air supply operation by cold air prevention control 3 5 minutes All room heating or simultaneous cooling and heating all room cooling Dual pressure gas pipe Suction gas pipe 1 While the unit is in heating or simultaneous cooling and heating operation Dual pressure gas pipe is used as a discharge gas pipe 2 Mode changeover e Switch dual pressure gas pipe from high to low pressure All indoor units Ventilation Changeover time is 3 5 minutes changeover time for control During the changeover Stop the compressor for 30 seconds 3 Change all units to cooling operation Cool air supply operation 58 Function and Control SiBE341001_D Detailed Control Functions 2 7 5 Emergency Operation Stop the compressor or the outdoor unit and bring only the operable compressor and outdoor unit into emergency operation Emergency operation by a remote controller and Emergency operation by outdoor unit PCB are available for the operation Setting method 1 Emergency operation by remote controller 2 Emergency operation by outdoor unit PCB Model Automatic backup operation Manual backup operation RQCYQ PY1 RQCEQ PY1
249. om Outdoor Unit SiBE341001_D 2 7 Detailed Explanation of Setting Modes 2 7 1 Cool Heat Mode Switching There are the following 4 cool heat switching modes 1 Set cool heat separately for each outdoor unit system by indoor unit remote controller 2 Set cool heat separately for each outdoor unit system by cool heat selector 3 Set cool heat for more than single outdoor unit system simultaneously in accordance with unified master outdoor unit by indoor unit remote controller 4 Set cool heat for more than single outdoor unit system simultaneously in accordance with unified master outdoor unit by cool heat switching remote controller 5 Set cool heat at all outdoor unit systems simultaneously for each outdoor unit external control adaptor by using the centralized remote controller 1 Set Cool Heat Separately for Each Outdoor Unit System by Indoor Unit Remote Controller It does not matter whether or not there is outdoor outdoor unit wiring Set outdoor unit PCB DS1 1 to IN factory setting Set cool heat switching to IND individual for Setting mode 1 factory setting Q SELECT MODE L N O P DEMAND mune IND MASTER SLAVE HIP H2P HOP C H SELECT Indoor unit 1 2 controller controller
250. on ON Cooling High temperature Thermostat ON Thermostat OFF high pressure gas 7 Heat exchanger i 7 Heat exchanger m 7 Heat exchanger High temperature 5 gt C high pressure liquid 8 Low temperature Loto lato i i iow pressure f Fan OFF 5 88 Filter Electronic expansion aie Filter Filter Electronic expansion vale Filter Filter Electronic expansion vake Filter 00 ons loma emm pm in git o zio g gc ge 2 amp 95 C ge 84 55 58 8 4 8 83 8 MEE otk oe lel ote ote asp lel ote ote oes oe lel ge E E Ex gs 89 89 E te MEN EE i Wiz E L L m STOP VALVE WITH SERVICE PORT 7 9mm FLARE CONNECTION 7 7 7 CHECK 7 7 2 SOLENOID VALVE 0 7 7 7 d 9 VALVE STRAINER i 7 N T SOLENOID VALVE 9 1 ELECTRONIC SOLENOID VALVE REFRIGERANT REGULATOR EXPANSION VALVE FILTER ELECTRONIC ELECTRONIC La EXPANSION LIQUID PIPE 1 5 VALVE EXPANSION VALVE R Fan HEAT PRESSURE REGULATING VALVE EXCHANGER 4 ABSOLUTE PRESSURE TYPE SERVICE i SERVICE PORT FOUR WAY VALVE PORT i PRESSURE AT SWITCH EXCHANGER CAPILLARY TUBE PS PIPE 1
251. on Dirty condenser in condensing capacity ig dn ccena qa of non condensable gas Defective fan motor Decreased Defective service monitor Including capacity setting High Dirty filter airflow passage resistance Obstacle Excessive refrigerant charging Improper model selection In heating m Note 1 In cooling it is normal if the outdoor unit electronic expansion valve EVM is fully open 2 n heating the indoor unit electronic expansion valve is used for subcooling degree control Service Diagnosis 179 Troubleshooting Remote Controller SiBE341001 D Check for causes of drop in low pressure Referring to the Fault Tree Analysis FTA shown below probe the defective points Abnormally drop in low pressure Low evaporating temperature B note cooling Defective low pressure 1 Defective sensor compressor a capacity EES H low pressure trol monitor trol contro con Defective low pressure Defective Sensor low pressure Defective hot gas In both cooling protection solenoid valve and heating Defective service monito
252. oor units is connected The other outdoor units are slave units O Make field settings if needed For the setting procedure refer to information in 2 Field Setting from Outdoor Unit on P 67 onward For the multi outdoor unit system make field settings with the master unit Field settings made with the slave unit will be all invalid Main PCB BS button BS1 BS5 LED lamp H1P H8P 5 HEF DIP switch DS2 1 2 4 2 DIP switch DS1 1 1 4 Micro computer service monitor HAP X7A See X15A X14A Oo 24 Lit X18A X9Ag X10A AR X12A e X26A 25 em em 2 X13A Se s 2 Only with 2 50 56 56 spare Ces ume IND UNIT OUTID UNT M Field Setting SiBE341001_D Test Operation 1 2 Check Operation 1 2 1 RQYQ RQEQ PY1 Procedures Operational Conditions Each of mentioned below is a standard operation time This may vary based on the installation circumstances etc 1 Turn to Set up Mode 1 H1P OFF H1P light is usually out If H1P is BLINK ON press MODE button BS1 once to g
253. ooting Remote Controller SiBE341001_D LS v 29 Vacuuming and dehydration procedure Conduct vacuuming and dehydration in the piping system following the procedure for lt Normal vacuuming and dehydration gt described below Furthermore if moisture may get mixed in the piping system follow the procedure for lt Special vacuuming and dehydration gt described below lt Normal vacuuming and dehydration gt Vacuuming and dehydration Use a vacuum pump that enables vacuuming up to 100 7kPa 5 torr 755 mmHg Connect manifold gauges to the service ports of liquid pipe and gas pipe and run the vacuum pump for a period of 2 or more hours to conduct evacuation to 100 7kPa or less If the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of 2 hours moisture will have entered the system or refrigerant leakage will have been caused In this case conduct evacuation for a period of another 1 hour If the degree of vacuum does not reach 100 7kPa or less even though evacuation is conducted for a period of 3 hours conduct the leak tests 2 Leaving in vacuum state Leave the compressor at the degree of vacuum of 100 7kPa or less for a period of 1 hour or more and then check to be sure that the vacuum gauge reading does not rise If the reading rises moisture may have remained in the system or refrigerant leakage may have been caused 3 Additional refrigerant charge
254. or an extended period of time Dust which has deposited on the inside of indoor unit is blown out from the system Normal operation 13 Odors come out In operation Odors of room cigarettes or else The inside of the indoor unit from the system adsorbed to the inside of indoor should be cleaned unit are blown out 14 Outdoor unit fan In operation The reason is that fan revolutions Normal operation does not rotate are controlled to put the operation to the optimum state 15 LCD display 55 appears on the remote controller Immediately after turning ON the power supply The reason is that the system is checking to be sure the remote controller is normal Normal operation This code is displayed for a period of approximately 1 minute at maximum 16 The outdoor unit compressor or the outdoor unit fan does not After stopping operation It stops in order to prevent oil or refrigerant from dwelling Normal operation It stops after a lapse of approximately 5 to 10 minutes stop 17 The outdoor gets While stopping operation The reason is that the compressor Normal operation hot is warmed up to provide smooth startup of the system 18 Hot air comes Hot air is felt while the system VRV systems small quantity Normal operation out from the system even though it stops stops of refrigerant is fed to indoor units in the stopped state when other indo
255. or refrigerant ON for refrigerant ON for refrigerant regulator liquid pipe recovery recovery recovery Solenoid valve Refrigerant Y3S ON for refrigerant ON for refrigerant ON for refrigerant regulator gas vent pipe recovery recovery recovery Solenoid valve Hot gas Y4S OFF OFF OFF Solenoid valve Circuit of oil return Y5S ON ON ON Outdoor unit heat Outdoor unit heat E H C Donde Condenser exchanger Condenser our way valve Heat FF OFF exchanger switch Yes OFF Outdoor unit heat Outdoor unit heat exchanger Evaporator exchanger Evaporator N N Four way valve Dual pressure gas pipe Y7S ON OFF OFF Four way valve Mixing unit Y8S OFF OFF OFF Sin valve Mixing unit Y9S OFF OFF OFF Indoor Unit Electric Normal cooling Normal heating Part Name Symbol Thermostat Thermostat Stopping Thermostat Thermostat Stopping y b gt ON unit OFF unit unit ON unit OFF unit unit Remote Remote Remote Indoor unit fan M1F controller controller OFF controller LL OFF setting setting setting Electronic expansion valve Normal Normal Main 0 pls 0 pls opening 192 pls 192 pls lt BS Unit gt Part Name Zee Normal cooling Normal heating Electronic expansion valve EVSC 0 pls 0 pls EVHS expansion valve Y2E 480 pls fully opened 480 pls fully opened EVLS expansion valve YSE 480 pls fully opened 0 pls EV nie expansion valve 760 pls fully opened 760 pls fully op
256. or set item No 12 Setting of external low noise demand operation to YES 3 If necessary while in Setting mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode B When the normal demand operation is carried out Use of the external control adaptor for outdoor unit is not required While in Setting mode 2 make setting of the set item No 32 Setting of alternate demand to ON 2 While in Setting mode 2 select the set item No 30 Setting of Demand 1 level and then set the setting condition to targeted mode 86 Field Setting SiBE341001_D Field Setting from Outdoor Unit 2 7 5 2 7 6 2 7 7 Air Tight Test Procedure After internal servicing is performed in the field perform the air tight test Fully open the electronic expansion valves of the outdoor unit and indoor unit and turn ON some of the solenoid valves Operation procedure 1 With the system stopped use Setting mode 2 and set A Refrigerant recovery vacuuming mode setting item No 21 to ON All of the indoor unit and outdoor unit electronic expansion valves fully open and some of the solenoid valves turn ON H2P blinks to indicate the test operation and the remote controller displays Test Operation and Under centralized control thus prohibiting operation 2 Close the stop valves on the gas side and liquid side and perform an air tight test at 4 0 MPa 3
257. or units are in operation 19 Thesystemdoes The system is in dry operation The reason is that the dry Change the system to cooling not cool air well operation serves not to reduce operation the room temperature where possible 94 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 Troubleshooting by Remote Controller 21 The INSPECTION TEST Button The following modes be selected by using the INSPECTION TEST Operation button on the remote control Depress Inspection Test Operation button for more than 4 seconds Service data can be obtained Error code history Temperature data of various sections Service settings can be made Forced fan ON Airflow direction Airflow rate setting Indoor unit settings can be made Filter sign time Airflow direction Others Field setting mode Depress INSPECTION TEST Operation button for more than 4 seconds Press INSPECTION TEST Operation button once Press INSPECTION TEST Operation button once Or after 30 minutes Press INSPECTION TEST Operation button once After 10 seconds Following codes can be checked Error codes Indoor model code Outdoor model code operation Thermostat is forcibly turned ON mode Press INSPECTION TEST Operation button once 2 2 Procedure
258. orementioned is detected Conditions Supposed Address duplication of centralized control equipment Causes Defective the indoor unit PCB Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred The centralized address is duplicated Make setting change so that the centralized address will not be duplicated 172 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 39 Transmission Error between Centralized Control Equipment and Indoor Unit Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Hn All indoor models intelligent Touch Controller Centralized remote controller Schedule timer Micro computer checks if transmission between indoor unit and centralized control equipment is normal When transmission is not carried out normally for a certain amount of time W Transmission error between optional controllers for centralized control and indoor unit Connector for setting main controller is disconnected or disconnection of connector for independent combined use changeover switch Failure of PCB for centralized remote controller W Defective indoor unit PCB Service Diagnosis 173 Troubleshooting Remote Controller SiBE341001_D Troubleshooting N Be sure to turn off p
259. orm output before starting Detection compressor Error is detected based on the value from current sensor during synchronous operation when starting the unit Error Decision Overcurrent flows during waveform output Conditions m When the current sensor error during synchronized operation m When overvoltage occurs in IPM Supposed W Defective outdoor unit PCB A1P Causes PM failure e Current sensor failure e Defective drive circuit Service Diagnosis 129 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution parts damage may be occurred Turn OFF the power supply once and then check the compressor lead wires Do the lead wires have any disconnection broken wire short circuit or ground fault YES Replace the lead wires Turn ON the power supply again Does the power supply normally come back ON YES It is supposed that the error results from external causes other than failures e g exogenous noises or thunder YES Is the single system applied to the outdoor unit Single system Multi system While in monitor mode check whether the system is right hand service monitor PCB 1 or left hand service monitor PCB 3 While in monitor mode check the outdoor unit concerned Check if the power trans
260. ose described in the list of setting of master unit centralized setting connector Service Diagnosis 193 Troubleshooting Remote Controller SiBE341001_D Check on connector of fan motor Power supply cable 1 Turn OFF the power supply Measure the resistance between phases of U V W at the motor side connectors 3 core wire to check that the values are balanced and there is no short circuiting while connector or relay connector is disconnected Red U Measure the resistance White Y values between phases U V W Black 17 1 OFF the power supply 2 Measure the resistance between Vcc and each phase of U V W and GND and each phase at the motor side connectors 5 core wire to check that the values are balanced within the range of 20 while connector or relay connector is disconnected Furthermore to use a multiple meter for measurement connect the probe of negative pole to Vcc and that of positive pole to GND 5 Gray GND 4 Pink vee Measure the resistance 3 Orange O W values between Vcc and U V W and GND and U V W 2 Blue 1Yellow u 194 Service Diagnosis SiBE341001_D Part 7 Appendix T 196 Tal Outdoor ee ean ee atte 196 197 2 Wiring Diagrams for 200 2 1 Outdoor Uil
261. ote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred PNE Check the fan motor corresponding to the error code in the monitor mode When check 3 shows as follows Fan motor M1F Explanation for y x e e e Master unit e e o Slave unit 1 e Slave unit 2 e O0 System Turn OFF the power supply ls the Signal wire connector for the corresponding fan motor normal Ensure correct connection Check the connector of the fan motor 1 Are the esistance of the fan motor lead wire between Vcc and UVW and between GND and UVW balanced NO Replace the fan motor Replace the INV PCB e For fan motor replace the INV 4 Note 1 Check the procedure for fan motor connector 1 Power OFF the fan motor 2 Remove the connector X2A on the PCB to measure the following resistance value Judgement criteria resistance value between each phase is within 20 Connector for signal wires X2A X2A 5 Gray GND 4 Pink Vcc 4 34 Measure the resistance between UVW and 3 Orange O GND UVW 2 Blue V 1 Yellow O 4 Service Diagnosis 123 Troubleshooting Remote Controller SiBE341001_D
262. ous time Priority 1 Priority 2 Priority 3 This time Priority 3 Priority 1 Priority 2 Next time Priority 2 Priority 3 Priority 1 One time after the next Priority 1 Priority 2 Priority 3 System with 4 outdoor units Outdoor Unit 1 Outdoor Unit 2 Outdoor Unit 3 Outdoor Unit 3 Previous time Priority 1 Priority 2 Priority 3 Priority 4 This time Priority 4 Priority 1 Priority 2 Priority 3 Next time Priority 3 Priority 4 Priority 1 Priority 2 One time after the next Priority 2 Priority 3 Priority 4 Priority 1 One time after the Priority 1 Priority 2 Priority 3 Priority 4 next plus one Function and Control 37 Detailed Control Functions SiBE341001_D 2 4 Startup Control This control is used to equalize the pressure in the front and back of the compressor prior to the startup of the compressor thus reducing startup loads Furthermore the inverter is turned ON to charge the capacitor To avoid stresses to the compressor due to oil return or else after the startup the following control is made and the position of the four way valve is also determined Start both the master and the slave units simultaneously to position the four way valve 1 Startup Control in Cooling 4 gt 7 5 Step 20 sec 480 pls 1 Step 15 sec when Pc gt 2 16 MPa 52Hz Inverter compressor OHz i M1C Electronic expansion valve 0 DIS i Y1E Main Ta lt 20 0 Inver
263. ower supply error Defective inverter PCB Imbalanced power supply Power supply voltages get significantly imbalanced among 3 phases Power supply error imbalanced voltages of 296 or more Defective inverter PCB Dead inverter PCB Protection device and others Transmission error between inverter PCB and service monitor PCB With the outdoor unit PCB no communications are carried out across service monitor PCB inverter PCB fan PCB Broken wire in communication line Defective service monitor PCB Defective inverter PCB Defective fan PCB PCB mismatching Any PCB of specification different from that of the product is connected PCB of different specification mounted Defective radiation fin thermistor The radiation fin thermistor gets short circuited or open Defective radiation fin thermistor Service Diagnosis 187 Troubleshooting Remote Controller SiBE341001 D iile Concept of inverter related error codes Transmission error When transmissions between the main PCB and the inverter PCB Main Service monitor PCB are not normal Instantaneous overcurrent of inverter compressor When inverter output current exceeds 460V units 32 3A 230V units 59 1A even instantaneously r Overcurrent of inverter compressor For 460V units CDAn overcurrent of 19 0A or more continues for a period of 5 consecutive seconds An ove
264. ower switch before connect or disconnect connector Caution or parts damage may be occurred Check the indoor unit for which tit is displayed Is the YES the transmission error TUE gt Continued to 4 caused on all indoor on the following units page Is the power supply of the indoor unit on which Make sure there no the occurred turned ON hazardous situations and then turn ON the power supply Has the setting of centralized control group No been made with the indoor unit on which the ats UC occurred Can the setting YES centralized control group No be made Make correct setting of the centralized control group No For VRV systems can the setting of centralized control group No be made in one and the same refrigerant system Check outdoor units to which the refrigerant system is connected Was the centralized control group No for indoor unit changed YES gt Check whether or not there are no problems with the transmission wiring length branch numbers types of cables and wires number of units connected and others If no problems replace the indoor unit PCB Reset the power supplies of every centralized control equipment For the intelligent Touch controller register the air conditioner again while in DIII NET test run menu 174
265. pending on the field setting 1 Cooling operation Indoor Unit BS Unit Liquid pipe Dual pressure gas pipe Cooling Unit Suction gas pipe 2 Pressure equalizing Indoor Unit BS Unit H Liquid pipe 1 y 1 1 1 1 1 1 1 ly Open Y4E Close Close 3 Heating operation Indoor Unit BS Unit Heating Unit 56 Function and Control SiBE341001_D Detailed Control Functions Single room heating under mixed cooling and heating conditions cooling First close all of the indoor unit electronic expansion and BS unit electronic expansion valves 2 Y4E and Y5E under the heating operation condition Next open the electronic expansion valve Y3E and perform an equalizing operation Subsequently the electronic expansion valve Y5E opens and the indoor unit electronic expansion valve adjusts the opening extent to become a cooling circuit The changeover time is about 6 minutes However this can be shortened from 6 minutes to 4 minutes depending on the onsite setting 1 Heating operation Indoor Unit BS Unit Liquid pipe Dual pressure gas pipe Suction gas pipe Heating Unit Y3E 2 Pressure equalizing Indoor Unit 2222222
266. planation of Setting Modes 78 60 Field Setting SiBE341001_D Test Operation 1 Test Operation 11 Procedure and Outline Follow the following procedure to conduct the initial test operation after installation 1 1 1 Check Work Prior to Turn Power Supply ON Check that the installation work for the indoor and outdoor units has been performed in accordance with the instructions in the Installation Manual Check the below items Power wiring Control transmission wiring between units Earth wire Branch switch Earth leakage circuit breaker Check on refrigerant piping insulation materials Check air tight test and vacuum drying Check on amount of additional refrigerant charge Check the stop valves for conditions O Is the wiring performed as specified O Are the branch switches and earth leakage circuit breakers wired correctly O Is the designated wire used O Is the wiring screw of wiring not loose O Is the grounding work completed O Is the insulation of the main power supply circuit deteriorated Use a 500V megger tester to measure the insulation 1 Do not use megger tester for other circuits than 400V or 200V circuit 1 Measure to be taken against decreased insulation resistance in the compressor If the compressor is left to stand for an extended period of time af
267. play Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes Troubleshooting 17 RQYQ PY1 RQEQ PY1 Check operation is executed or not Error is decided when the unit starts operation without check operation W Check operation is not executed Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Caution Error varies depending on the error detail code Check the detail code before proceeding to the following step Y 3 Check 4 gt Making test operation No test operation has been made Y 2 4 00eeeeooooeooo gt Check the refrigerant piping and make a test operation 2 4 0 09 gt Making a test operation suspend 2 4 gt Making a test operation suspend 2 4 202 Check the internal and external transmission and a test operation 2 4 oc ee e0d0900000000 gt Check the internal and external transmission and make a test operation 150 Service Diagnosis SiBE341001_D Trouble
268. play master or slave 1 or slave 2 Connactons or slave 3 and error location Selection of setting item Refer to P 76 for Monitor mode Confirmation of error 3 Faulty connection of former BS unit Faulty connection between outdoor and BS unit Faulty connection between BS units Wrong number of indoor units connected to BS unit Faulty connection of BS unit at HP Faulty connection of outdoor unit at HP HR Press RETURN BS3 button and Switches to the initial status of Faulty combination of outdoor multi Monitor mode Unmatched wiring piping no system Unmatched wiring piping settings Faulty system line Wrong wiring auto address error O ON Press the MODE BS1 button and Blink returns to Setting mode 1 e OFF 100 Service Diagnosis Troubleshooting Controller SiBE341001 D x m e LL 5 2 5 gt A 5 Z IL a G K SIS lt k 54 N b DL A LO E d 56 5 2 k N 2
269. ptor by Using the Centralized Remote Controller Install the outdoor unit external control adaptor optional accessory onto the outdoor outdoor indoor outdoor or indoor indoor transmission line Use setting mode 1 and set all outdoor units to SLAVE Setthe outdoor unit external control adaptor SS1 to BOTH factory setting or C H and set SS2 to ON Use setting mode 2 and set 051 and DS2 on the outdoor unit external control adaptors and the unified heat cool address on the outdoor unit main PCB to the same address The factory setting addresses are all 0 0 group 0 Central control a Ur 8 Jn C H SELECT MASTER SLAVE Q 0 ___ switch 0511 N 1 C H SELECTOR C H SELECT sls i Umm MASTER SLAVE Q R ol cms SELECT X37A ULIL IN 1 OUT MULTI A B C FI F2 Fl 22 01 02 E ___ SELECT 5 2 jae SLAVE 5 9 2 switch 151 1 1 C H SELECTOR OUT MULTI larry MULTI To indoor unit To indoor unit C H group address No 1 Central e 0 00 Termi
270. quipment failure AN Caution Do not repair the electrical components with wet hands Working on the equipment with wet hands may cause an electrical shock Do not clean the air conditioner by splashing water Washing the unit with water may cause an electrical shock Be sure to provide the grounding when repairing the equipment in a humid or wet place to avoid electrical shocks Be sure to turn OFF the power switch and unplug the power cable when cleaning the equipment The internal fan rotates at a high speed and cause injury Be sure to conduct repair work with appropriate tools The use of inappropriate tools may cause injury Be sure to check that the refrigerating cycle section has cooled down enough before conducting repair work Working on the unit when the refrigerating cycle section is hot may cause burns Use the welder in a well ventilated place Using the welder in an enclosed room may cause oxygen deficiency SiBE341001_D Introduction 1 1 2 Cautions Regarding Safety of Users N Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools may cause an electrical shock excessive heat generation or fire If the power cable and lead wires have scratches or deteriorated be sure to replace th
271. r PCB m Defective indoor In cooling unit electronic Defective valve coil f the indoor unit expansion valve electronic Defective valve body expansion valve is hrottled too much Defective gas pipe 83 Defective LH thermistor of indoor unit control Era ar Defective electronic MN Defective liquid pipe expansion valve thermistor of indoor unit control Defective service monitor PCB Defective outdoor Defective valve coil unit electronic expansion valve Defective valve body In heating f the outdoor unit Defective low pressure electronic sensor expansion valve _ Defective Defective suction pipe excessively control thermistor hrottled Defective service 4 cooling Low suction air Short circuit temperature of indoor unit Low room temperature room temperature Low suction air Defective suction air thermistor of indoor unit temperature of the evaporator Ld Low suction air temperature of outdoor unit Defective outdoor air temperature thermistor of outdoor unit In heating __ High pipe Abnormal piping length Bent resistance or crashed pipe Clogging of foreign materials Stop valve closed Inadequate refrigerant quantity Less circulation quantity of refrigerant Degradation in condensing capacity L 4 Moisture choke Dy 100 evaporator Are the electric
272. r R8T X30A 19 Subcooling heat exchanger outlet thermistor R7T X30A 124 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 17 High Pressure Sensor Abnormality Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes LI RQYQ PY1 RQEQ PY1 Error is detected from the pressure detected by the high pressure sensor When the high pressure sensor is short circuit or open circuit Not less than 4 22MPa or 0 01MPa or less Defective high pressure sensor Connection of low pressure sensor with wrong connection Defective outdoor unit PCB Defective connection of high pressure sensor Service Diagnosis 125 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred 1 Mount the high pressure gauge 2 Connect the checker for VRV Are the Characteristics of the high pressure sensor normal Make a comparison between the voltage characteristics 2 and the gauge pressure NO Replace the high pressure sensor If the PCB pressure detection normal Make a comparison between the checker pressure data and the voltage characteristics 2 NO Replace the outdoor unit PCB
273. r outside of other system Defective electronic expansion valve in indoor unit of other system Defective PCB of indoor unit in other system Improper connection of transmission wiring between indoor and outdoor unit Caution Turn ON indoor units All the units are indicating 22 YES has been displayed for 2 minutes or more NO NO Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Continue the operation Re diagnose by display after passage of 2 minutes or more The outdoor unit PCB indicated by the error code 425 is normal Check for the indoor unit of other system and then conduct troubleshooting by diagnosis according to the Error Code Flowchart Service Diagnosis 163 Troubleshooting Controller 2 37 Improper Combination of Indoor and Outdoor Units Indoor Units and Remote Controller Remote Controller Display Applicable Models Method of Error Detection Error Decision SiBE341001_D 1 All indoor models RQYQ PY1 RQEQ PY1 A difference occurs in data by the refrigerant type between indoor and outdoor units The number of indoor units is out of the allowable range The error decision is made as soon as either of the abnormalities aforementioned is detected Conditions Supposed W Excess of connected indoo
274. r supply Check whether there is continuity between both X3A No continuity 1 gt Replace the earth leakage detection PCB A6P ends of the earth leakage detection PCB Check whether there is continuity between both No continuity gt Replace the earth leakage detection PCB A6P ends of high pressure switch Normal gt Replace the high pressure switch It is supposed that ground leakage occurs due to temporary liquid back or accumulation of refrigerant This phenomenon can occur when power fails while in operation or is cut off for an extended period of time 1 It is normal that there is no continuity between both ends of X3A when the power supply turns OFF and for a period of 9 seconds at maximum after the power supply turns ON 104 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 7 Actuation of High Pressure Switch S1PH or Pressure Switch S2P Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes ec RQYQ PY1 RQEQ PY1 Abnormality is detected by the protection device circuit that detects continuity at the high pressure switch and pressure switch When the contact of the high pressure switch or pressure switch opens Reference Operating pressure of high pressure switch Operating pressure 4 0MPa Res
275. r than the specified refrigerant R 410A R 22 in the refrigerant system If air enters the refrigerating system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to locate the leaking point and repair it before charging the refrigerant After charging refrigerant make sure that there is no refrigerant leak If the leaking point cannot be located and the repair work must be stopped be sure to perform pump down and close the service valve to prevent the refrigerant gas from leaking into the room The refrigerant gas itself is harmless but it may generate toxic gases when it contacts flames such as fan and other heaters stoves and ranges When relocating the equipment make sure that the new installation site has sufficient strength to withstand the weight of the equipment If the installation site does not have sufficient strength and if the installation work is not conducted securely the equipment may fall and cause injury gt Introduction SiBE341001_D AN Warning Check to make sure that the power cable plug is not dirty or loose then insert the plug into a power outlet securely If the plug has dust or loose connection it may cause an electrical shock or fire Be sure to install the product correctly by using the provided standard For unitary type installation frame only Incorrect use
276. r unit Defective outdoor unit PCB A1P W Defective external control adaptor for outdoor unit Service Diagnosis 155 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred mode Check the LED lamps for Check 3 corresponding to the error code and for Check 4 in the monitor Y Check 4 3 d000 00000000000 Y Check 4 Check 3 Y Check 4 90060999 Check 3 Y Check 4 2000000 900909090 Check 3 Y Check 4 3 Y Check 4 0000000 900090999 3 Check 4 d000 00000000000 3 4 00000080 3 4 90009009 90099090 Y Check 3 Check 4 920 9 0 0909 Go to the Diagnosis Flow 1 Faulty transmission caused when the external control adaptor for outdoor unit is mounted Go on to the Diagnosis Flow 2 Transmission alarm given when the external control adaptor for outdoor unit is mounted Go on to the Diagnosis Flow 3 Abnormal transmiss
277. r units Causes W Defective outdoor unit PCB A1P m Mismatching of the refrigerant type of indoor and outdoor unit W Setting of outdoor unit PCB was not conducted after replacing to spare PCB 164 Service Diagnosis SiBE341001 D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the LED Check 3 corre vl IC error code in the monitor mode amps for sponding to the and for Check 4 Check 3 Y Check 4 200000 0 9000000 Check 3 4 90000090 9000999 Check 3 4 9 Oo e e eo 06000090900 Check 3 Y Check 4 3 4 3 4 900099 90060999 Check 3 4 9000909 3 4 00 0e000 9000000 Check 3 Check 4 02000000 92000000 Check 3 Check 4 0000000 3 Y Check 4 00000080 9000999 Check 3 Y Check 4 900900 90099090 To Diagnosis Flow 1 Excessive number of indoor units connected To Diagnosis Flow 2 Conne
278. r way valve Heat exchanger switch Y6S OFF OFF OFF OFF Four way valve Dual pressure gas pipe Y7S OFF OFF OFF OFF Four way valve Mixing unit Y8S OFF OFF OFF OFF Solenoid valve Mixing unit inlet Y9S OFF OFF OFF OFF e 5 min passed e 3 min passed e Pe min 0 49MPa e Pe min 0 25MPa Ending condition OR ePc gt 2 94MPa e Pc max gt 3 13MPa Master unit Tdi gt 110 C Master unit Tdi gt 110 C Master unit gt 125 C Master unit gt 140 C 52 Function and Control SiBE341001_D Detailed Control Functions 2 7 2 Cooling Oil Return Operation In order to prevent the compressor from running out of oil the oil return operation is conducted to recover oil flown out from the compressor to the system side Starting conditions Referring to the set conditions for the following items start the oil return operation in cooling 2 hours after initial power ON A lapse of every 1 2 hours during low load operation A lapse of every 8 hours during high load operation Electric i Symbol Oil return operation System frequency in oil return IN x 0 8 then constant control under Compressor MIC low pressure When a unit has been stopped 52Hz for all units Outdoor unit fan Fan control in normal cooling Electronic expansion valve Main 480 Electronic expansion valve Refrigerant charge Y2E 0 pls E
279. rcurrent of 16 1 or more continues for a period of 260 consecutive seconds For 230V units current of 33 5A or more continues for a period of consecutive 5 seconds A current of 27 6A or more continues for a period of consecutive 260 seconds Power supply Weak current Inverter 5 3 phase 460VAC part PCB 230 Heavy current L5 L8 part Power transmission etc 11 4 14 Imbalanced power supply voltage PCB mismatching Defective startup of inverter compressor When imbalance in incorrect menter Compressor stops running voltages among 3 PCB is connected immediately after it starts up Radiation fin temperature rise Inverter compressor lock When the radiation fin Compressor does not run at all Power supply voltage error temperature reached 87 C or more When the power supply voltage falls out of the range of 460 10 the radiation fin thermistor resistor eat Defective radiation fin thermistor 230VAC 10 an open circuit 30 C or less or a short circuit 120 C or more Defective radiation inverter When the radiation heavy current part of inverter gets defective gives no output Error codes related to g T 3 u compressor current L5 460V 32 3A 230V 59 1A Compressor overcurrent Electronic thermal 2
280. re the stop valve is open Conduct visual checks for pipe conditions ls there any temperature difference caused before and after the filter or branch pipe Are the coil resistance and insulation normal lt Are the electrical characteristics normal ls the pressure value checked with the Service Checker corresponding to the measurement value of the pressure sensor lt Are the coil resistance and insulation normal lt Are the electrical characteristics normal the connector properly connected Are the thermistor resistance characteristics normal the pressure value checked with the Service Checker corresponding to the measurement value of the pressure sensor lt ls the suction air temperature less than 43 C 15 the outdoor air temperature less than 43 C 15 the suction air temperature less than 27 C lt 15 the room temperature less than 27 C Is the connector properly connected Are the thermistor resistance characteristics normal 15 the outdoor air temperature less than 16 CWB Is the connector properly connected Are the thermistor resistance characteristics normal ls the heat exchanger clogged In cooling air or else mixed in the refrigerant system the fan motor be rotated with hands Are the motor coil resistance and insulation normal lt lf a spare is mounted is the capacity setting properly
281. rmal gt External factor other than error for example noise etc Check the electronic expansion valve corresponding to the error code 23 the monitor mode O When check 3 and 4 shows as follows ololele ele e o o o Electronic expansion valve for main Y1E O When check 3 and 4 shows as follows o oJeje e e e o o o o x x x Electronic expansion valve for refrigerant charge Y2E check 3 and 4 shows as follows 0 Electronic expansion valve for subcooling X O Explanation of xx e e e Master unit Slave unit 1 Slave unit 2 3101 System The connector of outdoor unit PCB A1P for electronic expansion valve is connected NO Ensure the correct connection The coil resistance of NO electronic expansion Replace the electronic valve is normal expansion valve coil 1 YES gt Replace the outdoor unit PCB A1P Note 1 Make measurement of resistance between the connector pins and then make sure the resistance falls in the range of 40 to 50Q Orange 1 Red 2 seo Measuring points Judgement criteria Yellow 3 1 6 2 6 Black 4 3 6 sia 5 4 6 COM Gray 6 Service Diagnos
282. rol adaptor 551 to BOTH factory setting or C H and 552 to OFF factory setting External control adaptor for outdoor unit C H SELECT SELECT 5 2 wb waster slave 5 L 2H 552 g Daaa rose essor 8808 Eo cnHsEECT H To indoor unit To indoor unit Master unit Slave unit C H SELECT E aH MASTER SLAVE 5 Bee DD __ SELECT E mo stave eoo m esee RIS gu 2 8 To indoor unit _ ________ ________________ Multi outdoor units connection When multiple external control adaptors are used and cool heat is selected for each external control adaptor use setting mode 2 and set DS1 and DS2 on the external control adaptors and the unified cool heat address on the outdoor unit main PCB to the same address No For details refer to the following page 80 Field Setting SiBE341001_D Field Setting from Outdoor Unit 4 Set Cool Heat for More Than Single Outdoor Unit System Simultaneously in Accordance with Unified Master Outdoor Unit by Cool Heat Selector Install the external control adaptor for outdoor unit on either the outdoor outdoor indoor outdoor transmission line Mount the COOL HEAT selector to the master outdoor unit for the unified control Set the DS1 1 on the PCB of master outdoor unit
283. s 2 85 MPa Electronic expansion valve EVLS Y3E 480 pls fully opened Electronic expansion valve EVH 0 pls Electronic expansion valve EVL Y5E 760 pls fully opened Function and Control 53 Detailed Control Functions SiBE341001_D 2 7 3 Heating Oil Return Operation and Defrost Operation RQYQ140 180PY1 RQCYQ280 560 1 Heating oil return operation Referring to the set conditions for the following items start the oil return operation in heating 2 hours after initial power ON A lapse of every 1 2 hours during low load operation A lapse of every 8 hours during high load operation Defrosting operation To defrost the outdoor unit heat exchanger while in heating the defrost operation is conducted to recover the heating capacity Starting conditions Referring to the set conditions for the following items start the defrosting operation Alapse of every 1 hour during high load operation A lapse of every 2 hours during low load operation Electric Part Name Symbol Heating oil return and defrost operation Compressor M1C 188 Hz Outdoor unit fan M1F OFF Electronic expansion valve Main XIE 480 pls Electronic expansion valve Refrigerant Y2E SH control charge Electronic expansion Adi at u valve Subcooling Y3E By Adjusting control of the refrigerant amount Solenoid val
284. service checker to compare the high pressure value and the actual measurement value by pressure sensor 2 by using the service checker Check if the high pressure value and the actual measurement value by pressure sensor the same NO Replace the outdoor unit main PCB A1P high pressure sensor is normal and the pressure detected with the PCB are also normal The high pressure or field piping pressure has really become high Remove the causes by which the high pressure or field piping CHECK 1 pressure has become high il Note 1 Make a comparison between the voltage of the pressure sensor and that read by the pressure gauge As to the voltage of the pressure sensor make measurement of voltage at the connector and then convert it to pressure 2 Make measurement of voltage of the pressure sensor 61150 66 Refer to P 179 106 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 8 Actuation of Low Pressure Sensor L v y Remote 4 Controller Display Applicable RQYQ PY1 Models RQEQ PY1 Method of Error Abnormality is detected by the pressure value of the low pressure sensor with the outdoor unit Detection main PCB A1P Error Decision Error is generated when the low pressure is dropped under compressor operation Conditions Operating pressure 0 07MPa Supposed Abnormal drop of low pressure Causes
285. ses Troubleshooting n All indoor models RQYQ PY1 RQEQ PY1 On check operation the number of indoor units in terms of transmission is not corresponding to that of indoor units that have made changes in temperature The error is determined as soon as the abnormality aforementioned is detected through checking the system for any erroneous connection of units on the check operation Improper connection of transmission wiring between indoor outdoor units and outdoor outdoor units Failure to execute check operation Defective indoor unit PCB W Stop valve is not opened Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred Caution the stop valves opened NO gt Open the stop valve Is the check operation carried out Is indoor outdoor and outdoor outdoor unit transmission wiring normal YES Replace the indoor unit PCB indoor outdoor and outdoor outdoor unit transmission wiring normal gt After fixing the incorrect wiring press and hold the RESET button on the master outdoor unit PCB for 5 seconds The unit will not run for up to 12 minutes gt Wiring check operation may not have been carried out successfully 176 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller 2 41 System Error Refrigerant System Address Undefined
286. shooting by Remote Controller 2 32 Transmission Error between Indoor and Outdoor Units Remote Controller Display Applicable Models Method of Error Detection Error Decision Conditions Supposed Causes nd 3 All indoor models RQYQ PY1 RQEQ PY1 The error is generated when the micro computer detects that the transmission between the indoor and outdoor unit is not normal When transmission is not carried out normally for a certain amount of time Indoor to outdoor outdoor to outdoor transmission wiring F1 F2 disconnection short circuit or wrong wiring Outdoor unit power supply is OFF System address does not match Defective outdoor unit main PCB A1P Defective indoor unit PCB Service Diagnosis 151 Troubleshooting Remote Controller SiBE341001_D Troubleshooting N Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Check the detailed error status in the monitor mode In Check 4 LED Go on to the next pa San NO page lamp indicates as Peel ue gt LED lamp display DA RON B Check if J vis outdoor uni as been replaced Or check if indoor outdoor Press the RESET button on the outdoor outdoor con
287. t fan H stopped H Press thelRETURN 53 6 forced Allows forced operation of indoor unit and decide the item The present 7 setting condition is blinked 8 Te setting Target evaporating temperature for cooling 9 Tc setting Target condensing temperature for heating 10 Defrost changeover Changes the temperature condition for defrost and sets to setting quick defrost or slow defrost 11 Sequential Sets sequential operation operation setting Factory setting to ON External low noise 12 setting Demand Reception of external low noise or demand signal setting Selection of setting conditions 13 AIRNET address Set address for AIRNET Press the SET BS2 button and set Make this setting in the case of operating in high static to the setting condition you want 18 High static pressure pressure mode with diffuser duct mounted setting In order to mount the diffuser duct remove the cover Press the RETURN BS3 button from the outdoor unit fan and decide the condition Additional 20 refrigerant charge Carries out additional refrigerant charge operation operation setting Refrigerant recovery 21 vacuuming mode Sets to refrigerant recovery or vacuuming mode setting Low night noise Sets automatic low night noise operation in a simple way 22 soning The operating time is based on Starting set and Ending set Press the RETURN 53 button 25 Setting of external Sets low noise
288. t PCB il Note 1 Procedure for checking the electronic expansion valve for the drive unit coil Disconnect the electronic expansion valve connector X7A from the PCB and then make measurement of resistance and check for continuity between the connector pins to make judgement 1 White White 1 ot 2 Yellow 5 EM S 93 Orange Orange 3 4 2 4 Yellow Brown Blue 5 Red 2 6 4 6 Brown OOO OO The normal states are as follows 1 No continuity between Pins 1 and 2 2 Approx 300Q resistance between Pins 1 and 3 3 Approx 150Q resistance between Pins 1 and 5 2 and 4 2 and 6 4 Approx 300Q resistance between Pins 5 Approx 150Q resistance between Pins afen EUN Service Diagnosis 121 Troubleshooting Controller SiBE341001_D 2 15 Abnormal Outdoor Unit Fan Motor Signal Remote Controller Display Applicable Models Method of Error Detection Error Decision m n RQYQ PY1 RQEQ PY1 Detection of abnormal signal from fan motor In case of detection of abnormal signal at starting fan motor Conditions Supposed Abnormal fan motor signal circuit error Causes W Broken short or disconnection connector of fan motor lead wire Defective fan inverter PCB 122 Service Diagnosis SiBE341001_D Troubleshooting by Rem
289. t cylinder with sufficient amount of refrigerant 4 The system stop operation for warming ups before re charging of refrigerant then LED indicate to connect the refrigerant tank as on the right Y Stand by for a stable condition after the restart approx 1 to 3 min 2 e Open the valve of the refrigerant tank after LED indications turns as right 3 Press the TEST button BS4 once within 3 min after opening the valve LED change indications Immediately close the inspection door and all the outside panels 2 LED indicate to open the valve of the refrigerant tank as on the right and wait to press the TEST button BS4 When re charging is not required 3 When re charging is required Operation for re charging of refrigerant 1 60 min Contamination prevention is operated at the same time uz If the error code is displayed on the remote controller open the outside panel of the EL compo box check the LED indications through the inspection door The system stop operation due to insufficient re charging of refrigerant then LED indicate to replace the refrigerant tank as on the right Automatic measuring of piping length approx 1 min This is to check the length of field pipings 4 After the system stop operation open the outside panel of the El compo box then check the LED indications through the inspection door
290. t replacement by spare PCB Caution DIP switch Setting after changing the main PCB A1P to spare After the replacement by the spare PCB be sure to make settings shown below When you change the main PCB A1P to spare PCB please carry out the following setting Initial conditions of DIP switches Baug 1234 1 051 234 052 DIP Switch Detail DS No Item Contents pst Eod dm ON COOL HEAT setting is made with the use of a setting Cool Heat selector mounted to the outdoor unit EE ono i COOL HEAT setting is not made with the use of a PCB Cool Heat selector mounted to the outdoor unit DS1 2 Power supply specification ON 200V class 220V OFF Factory setting of spare 400V class 380V PCB DS1 3 Cooling only Heat pump setting ON Cooling only setting OFF Factory setting of spare Heat pump setting PCB 051 4 Check operation ON 1 If check operation was not performed during installation Do not change the setting Leave it OFF OFF Factory 2 If check operation was completed or normal setting of spare operation is in progress Change the setting PCB OFF gt DS2 1 Unit allocation setting ON Domestic DS22 Overseas OFF Factory Do not change factory setting of the spare part OFF setting of spare PCB DS2 3 Model settin 8 Make the following settings according to models of outdoor units
291. tatic pressure OFF 9 9 setting High static pressure setting Additional refrigerant Refrigerant charging OFF 0900000 20 charging operation setting Refrigerant charging ON n O e O e O e O Refrigerant recovery vacuuming OFF 21 recovery vacuuming mode setting Refrigerant recovery vacuuming ON OFF 22 Low night noise 6 Level 1 outdoor unit fan with 6 step or lower setting Level 2 outdoor unit fan with 5 ste Level 3 outdoor unit fan with 4 step or lower C2 O 74 Field Setting SiBE341001_D Field Setting from Outdoor Unit Setting item display C H selection Low Setting condition display No Setting item MODE IND Master Slave noise Demand H3P H4P H5P H6P x Factory setting Level 1 outdoor unit fan with 6 step or lower O0 e O 25 Low noise setting Level 2 outdoor unit fan with 5 step orlower O e gt Level 3 outdoor unit fan with 4 step or lower CF a About 20 00 7844447 ow night noise 26 operation start 5 About 22 00 factory setting setting About 24 00 0000700 Pere About 6 00
292. tatus of connecting wires of the outdoor multi to SLAVE 2 Check if the ud is disconnected or is about 0 be disconnected N 9 gt Replace the outdoor unit main PCB of the SLAVE 2 YES gt Correct the connecting wires of the outdoor multi and then reset the power supply Diagnosis Flow 5 Check 3 Check 4 020 0e000 09000000 Check if the outdoor unit is connected to multi system gt Replace the main A1P of the outdoor unit Remove the connecting wires of the outdoor multi and then reset the power supply Service Diagnosis 159 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 6 Check 3 Check 4 address settings of the slave units NO Correct the manual address 1 2 and 3 correct in order to connect the AIRNET Check the connection status of one of the connecting wires of YES outdoor multi Check if the wiring is broken or disconnected Diagnosis Flow 7 Check 3 Check 4 G20 00000000009 In the connection status of the outdoor multi check if YES more than 5 outdoor units are connected Diag
293. ter fan Step 4 iTa220 C Step4 i M1F i Indoor unit electronic Opls expansion valve m Y1E sec 2 Startup Control in Heating Outdoor unit heat exchanger Evaporator 52 Hz Inverter compressor INV 0 Hz M1C Electronic expansion valve 0 PIs 1 Step 15 sec when lt 1 77 MPa Thermo ON Initial opening 4 gt 7 gt 5 Step 20 sec Initial opening Step 8 Y1E Main Step4 Inverter fan M1F ON OFF Four way valve Y3S 3 Startup Control in Heating Outdoor unit heat exchanger Condenser Inverter compressor INV 0 Hz M1C 15 sec 4 gt 7 5 Step 20 sec 480 pls Electronic expansion valve 0 pls 1 Step 15 sec when Pc gt 2 16 MPa 1 Step 15 sec when Pc 1 77 MPa Y1E Main 4 y M1F OFF Four way valve OFF 15 sec Ending conditions A lapse of 90 sec Tc high pressure equivalent saturation temperature gt 48 C L Pc gt 0 39MPa OR Ending conditions A lapse of 90 sec OR pc Pe gt 0 39MPa Ending conditions A lapse of 90 sec OR Pc Pe gt 0 39MPa 38 Function and Control SiBE341001_D Detailed Control Functions 2 5 Normal Operation 251 List of Functions in Normal Operation
294. ter the refrigerant charge with the stop valve open and the power supply Dryer OFF the refrigerant may be mixed 1000W in the compressor thus decreasing sem the insulation resistance Heat the compressor as shown on the right and then recheck the insulation Heat the left side of the terminal for a period of approximately 15 minutes O Is the pipe size proper Are the design pressures for the gas pipe and liquid pipe more than 3 3MPa O Is the pipe insulation material installed securely Liquid and gas pipes need to be insulated Otherwise causes water leak O Have the air tight test and the vacuum drying been conducted according to the procedure in the Installation Manual O Is a proper amount of refrigerant charged Refer to P 209 for the calculation of the amount of additionally refrigerant charge When the refrigerant level is insufficient leave the liquid and gas stop valves closed and charge with liquid refrigerant via the liquid stop valve service port Do not charge via the gas stop valve service port Doing So will result in error O Is the amount of additional refrigerant charge recorded in the Service Precaution label O Check to be sure the stop valves are under the following conditions Liquid side Gas side Model stop valve stop valve RQYQ140 180PY1 Open Open Modal Liquid side Gas side Dual pressure ode stop valve stop valve gas side stop valve RQEQ140
295. to OUT setting mode 1 set the outdoor unit you want to give cool heat selection permission to as the group master and set the other outdoor units as group slave units When multiple external control adaptors are used and cool heat is selected for each external control adaptor use setting mode 2 and set DS1 and DS2 on the external control adaptors and the unified cool heat address on the outdoor unit main PCB to the same address No For details refer to the following page External control adaptor for outdoor unit C H SELECT 232 SELECTOR zalan NR 5 ama SELECT MASTER SLAVE 2 O O OUT MULTI ____ mmm PES Cool Heat To indoor unit To indoor unit Master unit Slave unit TIME PIDE HAP A se SELECT To indoor unit Multi outdoor units connection Field Setting 81 Field Setting from Outdoor Unit SiBE341001_D Supplementation on 3 and 4 When switching cool heat for each adaptor PCB with the use of more than 1 adaptor PCB set the address of the external control adaptor for outdoor unit PCB 051 and DS2 so that it matches the unified cool heat address of outdoor unit main PCB DS2 051 C H group address j 52 DSI i l p
296. tus of Monitor mode ON i Blink OFF Press the MODE BS1 button and returns to Setting mode 1 98 Service Diagnosis O ON Troubleshooting Controller in n SIS er Ou e sd m ae N a 54 a is 54 SIS ae a E EE a ad a LO S zd N T T a m LO sie EIE er Oja xe E n SiBE341001 D s IN o jt 9 o 10 O o 1 eje eleleleelel 9 29 zzz 586 as S20006 ele elelelelele gt E eec 0000000 lt 2 EISE 52 EZZ
297. ual Connection Pipes Drawing No 4D066320A 4D066321A Notes 1 Indoor temp 27 CDB 19 0 CWB outdoor temp 35 CDB Equivalent piping length 7 5m level Conversion Foul difference Om kcal h kWx860 2 Indoor temp 20 CDB outdoor temp 7 CDB 6 CWB Equivalent piping length 7 5m level difference eA 6 Specifications SiBE341001_D Specifications Model Name Combination Unit RQCYQ280PY1 RQCYQ360PY1 Model Name Independent Unit RQYQ140PY1 RQYQ140PY1 RQYQ180PY1 RQYQ180PY1 kcal h 24 000 31 000 1 Cooling Capacity Btu h 95 600 122 800 kW 28 0 36 0 kcal h 27 600 34 400 x2 Heating Capacity Btu h 109 200 136 400 32 0 40 0 Casing White 5Y7 5 1 Ivory White 5Y7 5 1 Dimensions HxWxD mm 1680x635x765 1680x635x765 1680x635x765 1680x635x765 Heat Exchanger Cross fin coil Cross fin coil Type Hermetically sealed scroll type Hermetically sealed scroll type Piston Displacement m h 13 34 13 34 15 75 15 75 Comp Number of Revolutions r p m 6300 6300 7440 7440 ok 2 8x1 2 8x1 3 3x1 3 3x1 Starting Method Soft start Soft start Type Propellor fan Propellor fan Fan Motor Output kW 0 35x1 0 35x1 0 35 1 0 35 1 Airflow Rate m min 95 95 110 110 Drive Direct drive Direct drive Connecting Liquid Pipe 49 5 C1220T Brazing connection 12 7 C1220T Brazing connection Pipes
298. ual outdoor unit e O9 In a batch of outdoor unit group with master unit e 0n a batch of outdoor unit group with slave unit gt Low noise operating conditions en normal operation Oln low noise operation Pressing the RETURN BS3 button will bring the system to the initial state of Setting mode 1 Demand operating conditions en normal operation Oln demand operation Field Setting 71 Field Setting from Outdoor Unit SiBE341001_D 2 5 Setting Mode 2 No Setting item Description Press and hold the MODE BS1 g i button for 5 seconds and set to Digital pressure Used to make ae of contents to Apay nr the digital aant 0 A pressure gauges e g pressure sensors and temperature Setting mode 2 gauge kit display sensors 1 unified Sets address for cool heat unified operation 2 Address for low noise demand operation Used to conduct test operation without making changes lt Selection of setting items gt 3 ao eM to the PCB and replacing the refrigerant after the Press the SET BS2 button and completion of maintenance the LED display to a setting item 5 Indoor unit forced Allows forced operation of indoor unit fan while unit is shown in the table on the righ
299. ubleshooting Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 5 Check 3 Check 4 900o0eeoeeoocoeooo BS error Excessive number of indoor units connected s the number of indoor NO Decrease the number of indoor units downstream of BS within the specified number units downstream of BS to the specified number or fewer Replace the outdoor unit Diagnosis Flow 6 Check 3 Check 4 90 999 600909 Wrong wiring between outdoor units and BS units Is the wiring between the outdoor NO Correct the wiring unit and the BS unit correct Replace the outdoor unit PCB 168 Service Diagnosis SiBE341001_D Troubleshooting by Remote Controller Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 7 Check 3 Check 4 90 0 960 6 0900 Wrong wiring between BS units Is the wiring between NO Correct the connection wiring the BS units correct Replace the BS unit PCB Diagnosis Flow 8 Check 3 Check 4 G20 0000 0900000090 Wrong wiring between indoor units and BS units Is the
300. unit Replace the outdoor unit main PCB Check if the normal condition monitor LED for the external control adaptor for outdoor unit blinks the power supply wire for the external control adaptor for outdoor unit is connected to 5V supply line NO Connect the power supply wire for the external control adaptor for outdoor unit to 5V supply line Replace the PCB of the external control adaptor for outdoor unit gt Replace the outdoor unit main PCB Service Diagnosis 157 Troubleshooting Remote Controller SiBE341001_D Troubleshooting Be sure to turn off power switch before connect or disconnect connector Caution or parts damage may be occurred Diagnosis Flow 2 Check 3 Check 4 G200 000000000090 NO Cool Heat selection gt C H SELECT of the external is unified control adaptor for outdoor unit is set to IND ees Setting of C H SELECT YES of the external control The unified addresses for cool adaptor for outdoor unit heat within the outdoor outdoor is MASTER transmission are duplicated Set the address again Setting of C H SELECT NO of the external control gt Replace the outdoor unit main adaptor for outdoor unit PCB is SLAVE YES heck if the normal condition monitor LED for the outdoor unit main PCB blinks Check if power is supplied to the outdoor unit Supp
301. unit or operation manual of outdoor unit ES e The stop of the outdoor unit is left closed Open the stop valve U1 The phases of the power to the outdoor unit are Exchange 2 of the 3 phases L1 L2 L3 and connect with reversed the correct phase U3 Check operation has been completed normally Perform the check operation again U1 NET 7 Power is not being supplied including cases of Y open phase to the outdoor or BS or indoor unit Supply power correctly to the outdoor BS or indoor unit A model which cannot be connected in a multi m 3 m 07 Change to individual piping and disconnect the wiring from Ua _ utgoor unit system has been connected in a multi multi outdoor unit terminals Q1 Q2 An error code is displayed on the remote controller or else trouble has occurred at BS and indoor unit where an error code is not displayed on the remote controller Correct the U9 aes he eee BS and indoor unit trouble at the corresponding BS and indoor unit If no error y code is displayed on the remote controller press the INSPECTION TEST button on the remote controller to display the error code UF Wrong wiring between units paige refrigerant system and connection wire between the If an outdoor outdoor transmission wire was tani in UF connected or disconnected during check cone the transmission wiring work then perform check operation operation again Connect the interunit wiring indoor outdoor out
302. uonippe ay 0 209 Appendix Revision History Month Year Version Revised contents 05 2010 SiBE341001 07 2010 SiBE341001 A M 10005 Correction of master slave setting and AIRNET address setting 12 2010 SiBE341001 B RA Correction of thermistor resistance Temperature characteristic Service 08 2011 SiBE341001 C Modification of PCB Earth leakage detection PCB 10 2011 SiBE341001 D Correction of How to calculate additional refrigerant charging amount Warning Daikin products are manufactured for export to numerous countries throughout the world Prior to purchase please confirm with your local authorised importer distributor and or retailer whether this product conforms to the applicable standards and is suitable for use in the region where the product will be used This statement does not purport to exclude restrict or modify the application of any local legislation Ask a qualified installer or contractor to install this product Do not try to install the product yourself Improper installation can result in water or refrigerant leakage electrical shock fire or explosion Use only those parts and accessories supplied or specified by Daikin Ask a qualified installer or contractor to install those parts and accessories Use of unauthorised parts and accessories or improper installation of parts and accessories can result in wat
303. ve Refrigerant regulator Y1S By Adjusting control of the refrigerant amount hot gas Solenoid valve Refrigerant regulator 25 Adjusting control of the refrigerant amount liquid pipe Solenoid valve Refrigerant regulator Y3S By Adjusting control of the refrigerant amount gas vent pipe Solenoid valve Hot gas Y4S ON Solenoid valve Circuit of oil return Y5S OFF Four way valve Heat exchanger switch 65 Four valve Dual pressure gas pipe o ON Four way valve Mixing unit Y8S OFF Solenoid valve Mixing unit inlet Y9S OFF Indoor unit fan M1F OFF a Y1E 480 pls Suction SH control Pc gt 2 94 MPa Tb 11 C Ending condition amp li a min oa 6 min passe Te gt 5 30 sec passed 54 Function and Control SiBE341001_D Detailed Control Functions RQCEQ280 848 1 Reverse cycle defrosting heating oil return and Partial defrosting are available depending on the combination of the starting condition for units of this series Normal heating operation Defrost operation starting conditions A lapse of every 2 hours during low load operation A lapse of every 1 hours during high load operation Condition to start defrosting has been met Condition to start heating oil return has been met NO Condition to start heating oil return has been
304. vice Checker corresponding to the measurement value of the pressure sensor lt Does the heat exchanger get clogged Defective fan motor the fan motor be rotated with hands Are the motor coil resistance and insulation normal Is the air filter clogged Decreased fan output Defective service monitor PCB including capacity setting High Dirty filter airflow passage resistance Obstacles Is there any obstacle in the airflow passage mn Note 1 Superheating temperature control in cooling is conducted by indoor unit electronic expansion valve 2 Superheating temperature control in heating is conducted by outdoor unit electronic expansion valve EVM 3 Guideline of superheated degree to judge as wet operation D Suction gas superheated degree Not more than 3 C 2 Discharge gas superheated degree Not more than 15 C except immediately after compressor starts up or is running under drooping control Use the above values as a guide Depending on the other conditions the unit may be normal despite the values within the above range Service Diagnosis 183 Troubleshooting Remote Controller SiBE341001_D 61150 Check for overcharge of refrigerant In case of VRV Systems the only way to judge as the overcharge of refrigerant is with operating conditions due to the relationship to pressure co
305. while the unit stops set Refrigerant recovery Vacuuming mode to ON The electronic expansion valves of indoor and outdoor units fully open and some of solenoid valves open H2P blinks to indicate the test operation and the remote controller displays Test Operation and Under centralized control thus prohibiting operation After setting do not cancel Setting Mode 2 until completion of Vacuuming operation 2 Use the vacuum pump to perform vacuuming operation 3 Press Mode button BS1 once and reset Setting Mode 2 Field Setting 87 Field Setting from Outdoor Unit SiBE341001_D 2 7 8 Emergency Operation If the compressor cannot operate this control inhibits any applicable compressor or outdoor unit from operating to perform emergency operation only with the operative compressor or outdoor unit Automatic backup operation With multi outdoor unit system if a certain outdoor unit system errors the system stops and indoor unit remote controller displays the error by resetting the indoor unit remote controller the applicable outdoor unit is inhibited from operating for 8 hours thus making it possible to perform emergency operation automatically However in the event any of the following errors occurs automatic backup operation can be performed Errors under which automatic backup operation can be performed E4 E5 E7 H7 H9 J2 J3 J5 J6 J7 J9 JA JC L1 L4 L5
306. with the pressure sensor 40 Function and Control SiBE341001_D Detailed Control Functions 2 5 3 Compressor Step Control Compressor operations vary with the following steps according to information in 2 5 2 Compressor PI Control RQYQ140 180PY1 RQCYQ280 360PY1 EN INV RQCEQ280 360PY1 STEP Master Slave 1 52Hz Initial step No INV INV 2 56Hz 1 52Hz OFF 3 62Hz 2 56Hz OFF 4 68Hz 3 62Hz OFF 5 74Hz 4 68Hz 6 80Hz 5 74Hz OFF 7 88Hz 6 80Hz OFF 8 96Hz 7 88Hz OFF 9 104 2 8 96Hz OFF 10 110 2 9 104 2 OFF 1 52Hz 52Hz Initial step 11 116 2 10 110 2 OFF 2 56Hz 56Hz 12 124 2 11 116 2 OFF 3 62Hz 62Hz 13 132 2 12 124 2 OFF 4 66Hz 66Hz 14 144 2 13 132Hz OFF 5 70Hz 70Hz 15 158 2 14 144 2 OFF gt 6 74Hz 7 2 16 166 2 7 80Hz 80Hz 17 176 2 8 88Hz 88Hz 18 188 2 9 92 2 92 2 19 202 2 10 96Hz 96Hz 20 210Hz 1 11 104Hz 104Hz 21 218Hz 12 110 2 110 2 22 232Hz 13 116 2 116 2 23 248Hz 2 14 124 2 124 2 1 Upper limit of 0140 type is 20 2 Upper limit of Q180 type is 23 z 132Hz 132Hz 144Hz 144Hz 158 2 158Hz 166Hz 166Hz 176Hz 176Hz 188Hz 188Hz 202Hz 202Hz 210Hz 210Hz 1 218Hz 218Hz 232Hz 232Hz 248Hz 248Hz 2
307. zed remote controller can be set by setting the terminal address of the external control adaptor for the outdoor unit to 0 7 Higher 2 bits Lower 3 bits Fig 1 Setting lower 3 bits of the cool heat address by DS1 and 2 DS1 DS2 Set the same No 0 7 as the outdoor unit and BS unit OFF ON controlled by the cool heat centralized remote controller nos Cool Central Terminal Vj Set by other items heat No address Mes LE Demand address L HUG nos vos yy 84 Field Setting SiBE341001_D Field Setting from Outdoor Unit 2 7 3 Setting of Low Night Noise Operation and Demand Operation Setting of Low Night Noise Operation By connecting the external contact input to the low noise input of the outdoor unit external control adaptor optional you can lower operating noise by 2 3 dB Setting Content Mode 1 Set the outdoor unit fan to Step 6 or lower Mode 2 Set the outdoor unit fan to Step 5 or lower Mode 3 Set the outdoor unit fan to Step 4 or lower A When the low night noise operation is carried out by external contact with the use of the external control adaptor for outdoor unit 1 Connect external co

Service Manual

Contents

Download Pdf Manuals

Related Search

Related Contents