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2. 38 8 3 Troubleshooting based on information displayed on remote controller 44 8 4 Check codes displayed on remote controller SMMS outdoor unit 7 segment display on I F board and locations to be checked 45 8 5 Sensor characteristics 60 9 P C BOARD EXCHANGE PROCEDURES oret tra tapa n aha nba eb qup P FR PER PEE RRKE REGE 62 gospel guys 67 11 EXPLODED DIAGRAM SERVICE PARTS LIST 75 12 OWNER S MANUAL EXCERPT 78 13 INSTALLATION MANUAL EXCERPT eee eerie 84 Please read carefully through these instructions that contain important information and ensure that you understand them Generic Denomination Hot Water Module Definition of Qualified Installer or Qualified Service Person The hot water module must be installed maintained repaired and removed by a qualified installer or qualified service person When any of these jobs is to be done ask a qu
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4. 07 408 N V O 77 a He q ni m 2 G 1 i 405 Q09 90 404 401 Q fty Set MMW Description AP0271 AP0561 AP0271 AP0561 LQ E LQ E LQ TR LQ TR 401 43050425 SENSOR ASSY SERVICE TC F6 4 4 4 402 43150320 SENSOR ASSY SERVICE TG F4 403 43160626 TERMINAL BLOCK 2P 20A 404 43160561 TERMINAL 4P 405 43160548 TERMINAL 6P 406 43158187 TRANSFORMER TT 13 407 4316V529 P C BOARD ASSY MCC 1403 408 4316V247 P C BOARD ASSY MCC 1520 Location No Part No _ 77 JOY BU 5 UBYM uonounj OU sey JOSUAS 19 eM JOY 2 pesn eq JOU UBD Josues NOILNYO Y JON JO SXJOM au p ejds q Ae dsip El wos uo sjeedde ejds p 5141 Ae dsip Apeas r4 si y pe ejdsiq J0je2ipui uoneJedo n ejoujeJ eu jo enuen 9uj peai Jo4 y y uo Buipuedep
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9. sun Joopul JO ON JO MNITOOL 40119 dnouc Uue e Pun JO S UB UOD uewdinbs esodind jeeuec zu wud nb asodind jeJauab jo uueje 213 MNITOOL YNIT OOL Ut 048 909 MNITOOL MNIT OOL U Buipues m S02 epoo fueiixny 01 U0D ejua apoo 29u5 Aejdsip yun epoo 2945 BIIAVP YNIT OOL q p9359jep 10113 uey duio 30 ue 20 duio2 v0 ugy dwog dwog 40 ugy Z 5 go dwog 2 dwog 0 z dwog duo 20 uey duio2 z dwos 30 uey 2 dwo9 duio 2 dwog 90 z duo zo uey duio2 dwog 0 uey 5 60 dwog dwog so 10 Jo Jequnw WARNINGS ON REFRIGERANT LEAKAGE Check of Concentration Limit The room in which the air conditioner is to be installed requires a design that in the event of refrigerant gas leaking out its concentration will not exceed a set limit The refrigerant R410A which is used in the air conditioner is safe without the toxic
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19. poued payloads Jaye sdojs 40w 440 5 g9 eeJuy 99 e 12 96 uonejejsu uonejedo jeu 80 JOO y pue eq ued eu ued ay NOILNVD V ued y uea oj oorAJes e ysy uosees ay aJojog pun y peseuound eJeuw ay Aq peuuoyued Ajdde seBueuo uonoedsui e yeu pepueuJulooai s ji eoueuejureui BY uonippe Jo snp yeay enp y Jo Jo Aew syed y jo poled e 10 pesn Buraq ayy uonooedsur m y Jo way AjyBnosou pue sedid y yno 49 eM eu eBund asn euou poued Buo e eJojeg YJUOW 1340 10J pesnun eDeyxeoJq JO uoneuuojep esneo esou se 519 yojo jeorujeuo sapmod Buunoos sauuly 2 esn jou yos e ediM Jejdeuo siy jo do y uo y ui peijsi y 20 Jayem JOY 99 UBIO uosJed eorues payljenb ysy 49 O 3u09
20. 10 Aeys jue eud oj si DUIS y 3ndino si punos peuuoged si uoneJedo 8 dnies ay oj ue pue V3H 10 1009 uonejedo y D paxl seu JOY Jo euj jo ueuM S uoneoipul T amp 9Bue1 uonejedo yno JOOpyno S 5 JOH suuojied yun Joopul eq jouueo uonejgedo uauM Jeyipiuunuep Jo punos Jo jo punos peuejs seu uoneJedo y e Jo z 104 punos uonejedo y pue pueay eq Se punos e 5 seu uonejedo y 10 uoegedo y Buunp peuejs seu 3y ueuM HI Sr uogeoripur 0 peau si punos YSIMS seusiuy JO suejs uoneJedo jsojjep ueuM SYJOM plousjog uoneJedo 1soJjep suuojied pue sdojs jun 9U jo ue 4 pueay si JO esiou yun Joopino no 81 JO SI PUM sneg
21. 1517 e ueugjure Ww A si Aue si 3194 zuo pue uoroedsur 55900 ued usg sued uosJed eoiAJes peyijenb Jo 1ej ejsur peyijenb Aq yno pauses eq ysnw 4 uonoedsu eJnjiej 10SseJduuoo pue BurzeeJj sood jnsaiJ 100pjno pue ay ueej einjie J esuedxe BU uBnouj JONPOJd ay jo eu puejxe uong siy 104 e ysy 5 e Aaa sea pun 4oopjno pue 34 Jo sJnou 8 JO pejeJedo si ue an e sy jesseoeu JooJdjsnu Ajdde way pue seuojeJos pue jsnJ 10 ay eouueuyun J s oipoued sw e si Joy jeuomnipuoo BU ueuM JO uoneJedo 5 oj peurejureu pue
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25. Current of compressor 3 I3 x10 A 2F SF 4F Outdoor fan current IFan x10 A 1 The TF TSA TOA sensors are equipped only with some types of indoor units The data does not appear for other types 2 In the case of group connection only the header indoor unit data can be displayed 3 The upper digit of CODE No indicates the outdoor unit No 4 The upper digit of CODE No 4 indicates the outdoor unit No 13 5x U1 outdoor unit Header unit 2 U2 outdoor unit follower unit 1 3x 7 outdoor unit follower unit 2 4s U4 outdoor unit follower unit 3 5 Only CODE 5 of U1 outdoor unit Header unit is displayed 93 CODE No Data Format Unit Remote controller display example Ui U2 U3 U4 Individual 50 60 70 80 Rotation of compressor 1 10 rps 51 61 71 81 Rotation of compressor 2 x10 rps 0642 64 2 rps u uni 4 52 62 72 Rotation of compressor x10 rps 53 63 73 83 Outdoor fan mode x1 Mode 0058 Mode 58 4 64 74 84 Heat sink temperature of compressor x1 C IPDU1 Heat sink temperature of compressor 55 65 75 85 x1 C IPDU2 0024 24 _ Heat sink temperature of compressor 56 66 76 IPDU3 x1 57 67 77 87 Heat sink temperature of outdoor fan IPDU x1 58 In heat cool collecting control
26. 53 0 e ul JOY 5 0 euns eg SNINNSVM V JOOJJ 0 J9je 99 4 ureaq M S Lld LH Mas p L b Ld Y L 4 t4 105 epis pinbr S 6 2 jos Pi uod Bunoeuuoo 959 edid jueueBujes fer yod jeu19 x3 09 2 Scc x 0 0 SN 6 69c A pod AY Ajddns Pali N jenno JejeM N wexoSvIL LLd v L Vd x 920 8 epis SED 6912 We edid 497 SEV youd ejou y0q Joyouy 00v 05 092 091 youd aloy oq Joyouy ov _ Buo1 eixvi v Suoisuauiip 90 ped Jeujo G ale sepis pue juoj eunes jun y Bunejedo e10jeq Wed y ans eg uoneyiodsuej 10 Wed 34 9piS Ajjeyuozuou si y JeujeuM Jo esf N y euj PUN
27. uone nsur JedoJd PUN 0 sjoeuuoo edid eui ale BU uoneinsui yeay JedoJd Burdid eui e 10 001 1 RI edo s HL 0 xoddy eiqissod se sy jexoeuq uoddng 31 Aq ue sesneo ejou 1nox20Ux y Buiuedo peJeupe sung apo y ajoy y sayy pue WOOL y ui eBeyxeo Aew Buidid uonesuoapuoo zou se OS e Ajddy pouleip si Jeu os Buidid oy Jenue y uonej e3su 34 04 NOILAVO V 7 2 942 Jeuueds Buisn HOM edid yun JOOpU BY 2 OM esf JO eAneoipul jou s pue jeuuou si siu punos BulusoouM ou 84984 peAoUuei s ynu UBYM os eunsseJd oueudsoune y pejees sem se 941 ezis uonoefoud 104 jnjesn s edid jeddoo QL 9215 eJej payloads eu oj jsn pe ZZ
28. 0 0 40418 JUIS epis 2 1 00 20 40d 40d epis 5 0 Joa eBeyoA 1eueAu epis duio2 co duioo Joe eBeyoA Jeue u epis z duio2 zo 10148 eBeyo 1eueAu epis 5 10 S0d S0d uonoejep aunjej uonoejep Burssiu 00 apis 2 0 uoneJedo 4 MS eunsseJd uBip epis z 1 09 20 v0d v0d epis dwo09 10 2 eBieuosiq 0d 0d yun 40JJ0 JOJOW Ue JOODU m 9 1 x LET yun 100pu xoo iejul p s no pun SseJppe peyoejeg 0 1 0 1 10118 JO ON ks _ 627 621 3n spun 1oopjno 921 821 ET abeJo s jo Jequunu 10113 pejeuuoo spun 5 Jo jequinN 421 421 4n spun eBe1ojs Auew pejeuuoo sjiun eBei1ojs jo jequinN 921 921 jun 3N IV SesseJppe 021 5 epoo Aueyixny pun 9 105 106 ur UOHRSIUNWWOD JeuJe 4NIT O91
29. See E j JOY jo eseo y uj spun 1o0opui usemyaq Joug yun PNOO ZH 0G AGLY 082 Ajddns ZH 0S A SL 8 Ajddns 1 BuulM A e jo esneo e seuooeq uonisod NO ay 0j 195 s yun y jo jexeaiq BY JOY JO JexeeJq Y Jo UN jou yun jepeeu au sewosaq pue jou Buipnjour Joopu uee qeq pejoeuuoo uy ALON syun Joopjno pue Buipnjour HULA 404 Aue pue sanpo Aue j2euuoo oj jq ssod zou s 3 ALON suiejs s jo eseo y ul B5 49 j o juoo sun g ULIM 3un 19jul J9 oju09 za N 1 Bun yao 1 J Get qe Jejo nuoo Sun xe
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33. n the case of a wired remote controller CENTRAL CONTROL IN PROGRESS displayed lit up while in central control mode The display blinks when a control function inaccessible to a remote controller is chosen 7 APPLIED CONTROL AND FUNCTIONS it board ircul 7 1 Hot Water Module printed c MCC 1403 ASO LOLNO Josues OML ZOL 00LNO Josues LOL ASO LZNO ZZNO dsid enig LyNO AcLOG 09NO uomnouny jeu amp is 1ndino AcLOG MolleA LINO 0L VH peu 31 49 04 UOO uomneoiunuJuJoo ASOG peu 20 Josues FOL ASO ue8J5 SOLNO AZLOd peu Josuas POL 41 YOUMS MOJA tbt t V AcLOG enig zaNO indino ANd Jo Ajddns ASOG OLN Josues IML VL OccOV u8915 Z epis Ajddns AOZ VL LLOV eu M SZNO epis fjepuooes Adv ozzoy 49RIG LINO JeuuojsueJ Ajddns Ajddns 19 7 2 Optional connector specifications of hot water module P C board Function
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35. Invalid Default value stored in EEPROM mounted on service P C board 027 type 056 type 1 Default value stored in EEPROM mounted on service P C board 22 7 5 Applied control of indoor unit including Hot Water Module Manual address setting using the remote controller Procedure when setting indoor units addresses first under the condition that indoor wiring has been completed and outdoor wiring has not been started manual setting using the remote controller Wiring example of 2 refrigerant lines Refrigerant line 1 Outdoor unit Refrigerant line 2 Outdoor unit ae ee eee ee ee Indoor unit 1 Indoor unit 2 B eee ee Remote controller Line system address 1 1 1 2 2 Indoor unit address 1 2 3 1 2 Group address Header unit Follower unit Follower unit Follower unit Follower unit In the example above disconnect the remote controller connections between the indoor units and connect a wired remote controller to the target unit directly before address setting CODE No 3 6 9 Pair the indoor unit to set and the remote controller one to one Turn on the power SET CL TEST 1 Push and hold the and buttons at the same time for more than 4 seconds LCD starts flashing 09 lt Line system address gt 2 Push the TEMP CO C buttons r
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37. MCC 1403 2 itis necessary to establish a one to one correspondence between the hot water module being serviced and the remote controller Turn on the hot water module using one of the methods described below according to the system configuration 1 Single stand alone operation Turn on the hot water module and proceed to Procedure 3 2 Group operation A If it is possible to selectively turn on the hot water module being serviced Turn on the hot water module being serviced and proceed to Procedure 3 B If it is not possible to selectively turn on the hot water module being serviced Case 1 a Temporarily disconnect the group control wiring from terminals A and B of the hot water module being serviced b Connect the remote controller wiring to the terminals turn on the hot water module and proceed to Procedure 3 f this method cannot be used proceed to the alternative method described below Case 2 C If itis not possible to selectively turn on the hot water module being serviced Case 2 a Remove the CN41 connectors of all other hot water modules in the same group b Turn on the hot water module and proceed to Procedure 3 Case 1 Hot water module Hot water module Hot water module one being serviced 1 3 board P C board X Service P C board 4 X Y 7 A i n f AIB AIB 27 3 Remove group control wiring from terminals A and B of indoor unit being serviced and connect r
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42. Discharge temperature error All stop Discharge temperature TD3 exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD3 sensor Check for defect in 4 way valve Check SV43 circuit for leakage Check SVA circuit for wiring or installation error involving SV41 SV42 and SV43 P19 P19 Detected outdoor unit No VF 4 way valve reversing error All stop Abnormal refrigerating cycle data is collected during heating operation Check for defect in main body of 4 way valve Check for coil defect in 4 way valve and loose connection of its connector Check resistance characteristics of T81 and TE1 sensors Check output voltage characteristics of Pd and Ps pressure sensors Check for wiring error involving TE1 and TL sensors P20 P20 VF Activation of high pressure protection All stop Pd sensor detects pressure equal to or greater than 3 6 MPa Check for defect in Pd pressure sensor Check service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 4 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suc
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46. Error detection condition s Check items locations 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side SMMS i Series 4 00 01 Compressor 1 side Compressor 2 side Compressor 3 side 02 03 IPDU Activation of high pressure SW Detection of open phase phase sequence Inverter DC voltage Vdc error compressor MG CTT error All stop All stop High pressure SW is activated Open phase is detected when power is turned on Inverter DC voltage is too high overvoltage or too low undervoltage Check connection of high pressure SW connector Check for defect in Pd pressure sensor Check outdoor service valves gas side liquid side to confirm full opening Check for defect in outdoor fan Check for defect in outdoor fan motor Check outdoor PMVs PMV1 2 for clogging Check indoor outdoor heat exchangers for clogging Check for short circuiting of outdoor suction discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for error in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check
47. If there are 2 or more refrigerating systems in a single refrigerating device the amounts of refrigerant should be as charged in each independent device Outdoor unit e g charged amount 10 kg charged amount 15 kg Room A Room B Room Room D Room E y Room F Indoor unit For the amount of charge in this example The possible amount of leaked refrigerant gas in rooms A B and C is 10 kg The possible amount of leaked refrigerant gas in rooms D E and F is 15 kg NOTE 2 The standards for minimum room volume are as follows 1 No partition shaded portion 2 When there is an effective opening with the adjacent room for ventilation of leaking refrigerant gas opening without a door or an opening 0 15 or larger than the respective floor spaces at the top or bottom of the door Outdoor unit een piping 3 If an indoor unit is installed in each partitioned room and the refrigerant piping is interconnected the smallest room of course becomes the object But when a mechanical ventilation is installed interlocked with a gas leakage detector in the smallest room where the density limit is exceeded the volume of the next smallest room becomes the object Indoor unit Refrigerant piping Outdoor unit Indoor unit Large room Mechanical ventilation device Gas leak detector NOTE 3 The minimum indoor
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49. Sensor resistance is infinity or zero open short circuit Sensor resistance is infinity or zero open short circuit Check connection of TL sensor connector Check resistance characteristics of TL sensor Check for defect in outdoor P C board I F Check connection of TO sensor connector Check resistance characteristics of TO sensor Check for defect in outdoor P C board I F Indoor unit Indoor TA sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TA sensor connector and wiring Check resistance characteristics of TA sensor Check for defect in indoor P C board Indoor unit Indoor TF sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TF sensor connector and wiring Check resistance characteristics of TF sensor Check for defect in indoor P C board TS1 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TS1 sensor connector Check resistance characteristics of TS1 sensor Check for defect in outdoor P C board I F 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side TH sensor error All stop 49 Sensor resistance is infinity or zero open
50. Liquid pipe 9 5 flare connection Drain pipe R1 Sound pressure level Installation place 1 Rated conditions entering condenser water temp 30 C leaving condenser water temp 35 C Outdoor air temp 7 CDB 6 CWB The standard piping means that mian pipe length is 5m nranching pipe length is 2 5m of branch piping connected with a 0 meter height 2 The source voltage must not fluctuate more than 10 3 The unit is packed in a sideways state 49 3 WIRING DIAGRAMS SS INOO 1ndino SS S INOD 1ndino NO sowy 75 ZS INOD 1ndino 25 LS INOO 1ndino LS 2 2 WOO ES LOL OML ZOL rol zrol IM vL 2 208 1 Aiddns NYO MOTISA 19 bog SlIHM IHM AHO AWD Od ans 2 NOI JVOIJILLN3GI 40709 711 mers 24 ere Ona ou clivo oz bar Me Res TA bum E ino z uno JAlHdQNV4 OIL NUR OOOOOO 3A LON e a E Ajddns
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52. To change the selected function go back to step 3 SET 6 When the button is pushed the system returns to normal off state NOTE In case of the hot water module remove the front panel so that P C board is visible and then check the 002 LED at the center of board goes on to judge whether DN is being set or not The LED goes on while DN code is being set Function CODE No DN Code table includes all functions needed to perform applied control on site Item Description At shipment Central control address 0001 No 1 unit to 0064 No 64 unit 0099 Unfixed 0099 Unfixed Type 0060 Hot Water Module Depending on refer to Type CODE No 10 model type Indoor unit capacity 0000 Unfixed 0001 to 0040 According to capacity type Line address 0001 No 1 unit 0030 No 30 unit 0099 Unfixed Indoor unit address 0001 No 1 unit 0064 No 64 unit 0099 Unfixed Group address 0000 Individual 0001 Header unit of group 0099 Unfixed 0002 Follower unit of group Automatic restart of 0000 None 0001 Restart 0000 None power failure HA terminal CN61 Usual 0001 Leaving ON prevention control 0000 Usual select Fire alarm input HA terminal Timer setting Available can be performed 0001 Unavailable cannot be 0000 Available wired remote controller performed Type Indoor Unit Capacity DN code 10 DN code 11 Value Type Model Capacity 0060 Hot Water Module
53. Warning indication Description ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing WARNING ELECTRICAL SHOCK HAZARD Disconnect all remote electric power supplies before servicing Precautions for Safety The manufacturer shall not assume any liability for the damage caused by not observing the description of this manual N DANGER Turn off breaker Before carrying out the installation maintenance repair or removal work be sure to set the circuit breaker for both the hot water module and outdoor units to the OFF position Otherwise electric shocks may result Before opening the electrical parts box cover of the hot water module or service panel of the outdoor unit set the circuit breaker to the OFF position Failure to set the circuit breaker to the OFF position may result in electric shocks through contact with the interior parts Only a qualified installer 1 or qualified service person 1 is allowed to remove the electrical parts box cover of the hot water module or service panel of the outdoor unit and do the work required When you have noticed that some kind of trouble such as when an error display has appeared there is a smell of burning abnormal sounds are heard the hot water module fails to heat or water is leaking has occurred in the hot water module do not touch the hot water module yourself but set the circuit breaker to the OFF posit
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56. 5 0 Normal 0010 In heat collecting control 1 In collecting control 0001 In cool collecting control 59 Pressure release 5 0010 In pressure release control Discharge temperature release 5 0001 In discharge temperature release control Terminal unit release U2 U3 U4 outdoor 0 Normal 0100 In U2 outdoor unit release unit 5 1 In release control control sgl 0010 In U3 outdoor unit release control 0001 In U4 outdoor unit release control 5F 6F 7F 8F Horse power of outdoor unit x1 HP 0016 16HP 1 The TF TSA TOA sensors are equipped only with some types of indoor units The data does not appear for other types 2 n the case of group connection only the header indoor unit data can be displayed 8 The upper digit of CODE No indicates the outdoor unit No 4 The upper digit of CODE No 4 indicates the outdoor unit No 13 5x U1 outdoor unit Header unit 2 U2 outdoor unit follower unit 1 3x 7 outdoor unit follower unit 2 4s 8 U4 outdoor unit follower unit 3 5 Only CODE 5x of U1 outdoor unit Header unit is displayed LED display of circuit board 1 D02 Red Lights up when the power is turned on Microcomputer works Blinks at 1 second intervals 0 5 second No EEPROM or writing error Blinks at 10 second intervals 5 second No DISP mode Blinks
57. Check power supply voltage AC200 V 10 Check for defect in compressor Check for possible cause of abnormal overloading Check for defect in outdoor P C board A3 IPDU Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side IPDU Compressor error lockup MG CTT error All stop Overcurrent is detected several seconds after startup of inverter compressor Check for defect in compressor Check power supply voltage AC200 V 10 Check compressor system wiring particularly for open phase Check connection of connectors terminals on A3 IPDU P C board Check conductivity of case heater Check for refrigerant entrapment inside compressor Check for defect in outdoor P C board A3 IPDU Check outdoor MG CTT 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side Current detection circuit error All stop Current flow of at least specified magnitude is detected despite inverter compressor having been shut turned off Check current detection circuit wiring Check defect in outdoor P C board A3 IPDU TD1 sensor miswiring
58. Duplicated indoor address All stop More than one indoor unit is assigned same address Check indoor addresses Check for any change made to remote controller connection group individual since indoor address setting Remote controller Duplicated master remote controller Stop of corresponding unit In two remote controller configuration including wireless both controllers are set up as master Header indoor unit is shut down with alarm while follower indoor units continue operating Check remote controller settings Check remote controller P C boards Indoor unit Indoor inter MCU communication error Stop of corresponding unit _ 46 Communication cannot be established maintained upon turning on of power or during communication Check for defect in indoor P C board Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations 01 Indoor outdoor communication Outdooroutdoor communication Automatic address starting error All stop Indoor automatic address setting is started while automatic address setting for equipment in other refrigerant line is in progress Outdoor automatic address setting is sta
59. Indoor unit Connection of group control cable to standalone indoor unit Stop of corresponding unit There is at least one stand alone indoor unit to which group control cable is connected Check indoor addresses Indoor unit Indoor group addresses not set Stop of corresponding unit Address setting has not been performed for indoor units Check indoor addresses Note This code is displayed when power is turned on for the first time after installation Indoor unit Indoor capacity not set Stop of corresponding unit Capacity setting has not been performed for indoor unit Set indoor capacity DN 11 Outdoor capacity not set All stop Jumper wire provided on P C board for servicing I F P C board has not been removed as required for given model Check model setting of P C board for servicing outdoor I F board Target indoor address Outdoor unit model mismatch error The outdoor unit model is duplicate The Cool Heat Flex series 1 2 are duplicate Check the outdoor unit model Cool heat switch unit error Only the target unit stopped 54 The heating operation was performed without the coolonly setting configured in a cool only room where a cool heat switch unit is not connected e Check the remote controller setting DN 0F Check the cool heat switching unit Check the pipin
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62. short circuit Defect in IGBT built in temperature sensor Replace A3 IPDU board Check code Main Outdoor 7 segment display remote Check controller code Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations VF Outdoor temperature sensor wiring error TE1 TL All stop During compressor operation in HEAT mode TE1 continuously provides temperature reading higher than indicated by TL by at least specified margin for 3 minutes or more Check installation of TE1 and TL sensors Check resistance characteristics of TE1 and TL sensors Check for outdoor P C board I F error Outdoor pressure sensor wiring error Pd Ps TD3 sensor error All stop All stop Readings of high pressure Pd sensor and lowpressure Ps sensor are switched Output voltages of both sensors are zero Sensor resistance is infinity or zero open short circuit Check connection of highpressure Pd sensor connector Check connection of lowpressure Ps sensor connector Check for defect in pressure sensors Pd and Ps Check for error in outdoor P C board I F Check for deficiency in compressive output of compressor Check connection of TD3 sensor connector Check resistance characteristics of TD3 sensor Check for
63. unit Operating Indoor CC MAS mode Disch Indoor heat Outdoor heat Liquid Compressor Compressor Compressor fan Pd Ps oT Suction TS exchanger exchanger temperature Indoor Outdoor TD TC TE TL 1 1 1 Cooling 2 9 0 9 85 15 10 40 40 50 50 High 2719 35 0804 Heating 3 0 0 7 85 5 35 3 30 50 50 High 20 7 6 Cooling 3 0 0 8 85 15 8 40 40 65 65 High 27A9 35 1004 Heating 3 1 0 7 85 4 35 2 30 65 65 High 20 7 6 Cooling 3 1 0 8 85 17 8 40 40 70 70 High 27 19 35 1204 Heating 3 1 0 7 90 2 35 2 30 75 75 High 20 7 6 Cooling 3 0 0 8 85 15 10 40 40 60 60 60 High 27 19 35 1404 Heating 3 1 0 7 85 4 35 3 30 60 60 60 High 20 7 6 Cooling 3 1 0 8 90 15 10 40 40 65 65 65 High 27A9 35 1604 Heating 3 1 0 7 90 2 35 2 30 65 65 65 High 20 7 6 This compressor is driven with a 4 pole motor The value of the compressor frequency rps measured with a clamp meter at the compressor lead line is two times the rotation count rps of the compressor Each compressor may have a different frequency as a measure against resonance The temperature of the indoor heat exchanger TC indicates TCJ sensor temperature when cooling and TC2 sensor temperature when heating respectively 2 Criteria for operating pressure Operating mode Cooling Heating Indoor temperature 18 32 15 32 Outdoor tempera
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65. 40 procured locally Connecting pipe Water pipe Inlet R1 1 4 Outlet R1 1 4 Refrigerat pipe Gas pipe 15 9 flare connection Liquid pipe 9 5 flare connection Drain pipe R1 Sound pressure level Installation place Model Ind MMW AP0271LQ TR MMW AP0561LQ TR Heating capacity 1 Electical characteristics Power supply 2 8 0 1 phase 50Hz 2 16 0 30V 220 240V Running current Power consumption 0 08 0 08 14 14 Appearance Dimention Hight Zinc hot dipping steel plate 580 Width leg inclued 400 467 3 Weight Unit Packed Design Pressure Refrigerant side 3 73 Water side 1 0 Heat exchanger Plate type heat exchanger Heat insulating material Polyethylene foam Polyurethane foam Water flow rate Standard 22 9 45 8 Min 19 5 38 9 Water pressure loss at standard water flow rate 40 5 44 2 Controller Remote controller Operation range Amibient indoor 5 32 Allowable dew point 23 or less 30 85 Outdoor at heating 20 19 Water inlet side 15 or more and 45 or less Water outlet side 25 50 Water filter Strainer with Mesh 30 to 40 procured locally Connecting pipe Water pipe Inlet R1 1 4 Outlet R1 1 4 Refrigerat pipe Gas pipe 015 9 flare connection
66. Connector No Pin No Specification Remarks HA Start stop input Start stop input for J01 In place Removed Pulse input factory default Step input 0 V COM Remote controller disabling input Enables disables start stop control via remote controller In operation output ON during operation HA answerback signal DC12 V COM Alarm output ON while alarm ON Option output 1 DC12V COM Defrosting output ON while outdoor unit ON Heater output Heating thermostat output ON while heating thermostat ON compresor ON Pump output External error input DC12 V COM DC12 V COM External error input Generates test code L30 and automatically shuts down air conditioner only if condition persists for 1 minute 2 9 4 5 6 1 2 3 4 5 6 1 2 3 1 Check mode input OV Used for hot water module operation check prescribed operational status output such as indoor PMV ON to be generated without communication with outdoor unit or remote controller Display mode Display mode input Display mode input Product display mode Communication just between hot water module and remote controller enabled upon turning on of power Timer short circuited out always 1 For hot water module terminal block of option output CN 60 is equipped in the hot water module Refer t
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68. Outdoor 7 segment display Sub code Typical fault site Indoor unit including Hot Water Module Description of error E01 No master remote controller faulty remote controller communication reception Signals cannot be received from indoor unit master remote controller has not been set including two remote controller control E02 Faulty remote controller communication transmission Signals cannot be transmitted to indoor unit Error detected by central control device Duplicated master remote controller Both remote controllers have been set as master remote controller in two remote controller control alarm and shutdown for header unit and continued operation for follower unit Check code Outdoor 7 segment display TCC LINK Typical fault site Description of error central control Sub code Faulty central control Central control device is unable to receive signal communication reception gna C12 Blanket alarm for generalpurpose Device connected to general purpose device control interface for device control interface TCC LINK is faulty P30 _ _ Group control follower unit error Group follower unit is faulty unit No and above detail gt displayed on main remote controller Note The same error e g a communication error may result in the display of different check codes depending on the device that detects it Moreover
69. TA xi C 03 Heat exchanger Temperature x1 0024 24 C 04 Water outlet Temperature 2 x1 05 Heat exchanger Temperature TC1 x1 06 Heat exchanger temperature TF 1 x1 C 08 PMV 1 10 pls 0150 1500 pls F9 Air Suction Temperature of direct expansion x1 coil TSA 1 0024 24 C FA Outdoor Air Temperature TOA 1 x1 E System 0A Number of connected indoor units x1 0048 48 data 0B Total horse power of connected indoor units x10 HP 0415 41 5HP oc Number of connected outdoor units x1 0004 4 Total horse power of outdoor units x10 HP 0420 42HP Ui Tos GST Ud Data Format Unit Remote controller display example 10 20 30 40 pressure of high pressure sensor x100 MPa 11 21 31 41 c pressure of low pressure sensor x100 MPa 12 22 32 42 temperature of compressor 1 x1 13 23 33 43 aa temperature of compressor 2 xi 14 24 34 er temperature of compressor 3 xi l 0024 24 C 15 25 35 45 Suction Temperature TS x1 C 16 26 36 46 Coil Temperature 1 x1 C 17 27 37 Coil Temperature 2 TE2 x1 C 18 28 38 48 Liquid Temperature TL x1 C 19 29 39 49 Outdoor Temperature TO x1 C 4A PMV1 2 x1 pls 18128 38 PMV4 x1 10030 500 pls 1 2C 3C 4C Current of compressor 1 11 x10 A 10 2D 3D 4D Current of compressor 2 12 x10 A 0135 13 5 A 1E 2E
70. TG Satisfaction temperature of discharge pressure Water Heat exchanger frost prevention As the following description the pump heater is controlled based upon the detected temperature of TC1 sensor TCJ sensor TF sensor TC2 sensor and TA sensor regardless of Start Stop operation 1 Pump ON condition 1 When any one of temperature of TC1 sensor TCJ sensor TF sensor TC2 sensor or TA sensor decreased below 5 C 2 When TC1 10 C and TCJ TC1 2 5 C 2 Pump OFF condition When all the temperature of TC1 sensor TCJ sensor TF sensor TC2 sensor and TA sensor increased above 12 C 3 Heater ON condition 1 When 65 seconds progressed after the pump was OFF TA or TC2 decreased below 15 C 4 Heater OFF condition The state TA or TC2 2 15 C continued for 2 minutes or more TC1 Gas Temperature TOJ Liquid TF Temperature Cooling oil refrigerant recovery control While the outdoor unit is recovering cooling oil refrigerant the hot water modules perform the following control tasks 1 Close the hot water module PMV to a certain degree 2 Engage in recovery control for a specified period of time and return to stand by at the end of this period upon terminating the control 3 Open the SV valve throughout the recovery control period Recovery operation normally takes place roughly every 2 hours Heating refrigerant oil recovery control While the outdoor unit is recovering heating refrigerant
71. a O ring for water seal Be careful not to scratch the O ring Otherwise water leakage may occur Place the flow switch parallel to the water outlet pipe The flow switch wire is placed on the right side Refer to Electrical control box Be careful to attach the proper flow switch as shown below After the flow switch replacement repair open the water supply source valve and water piping valve to pass water through the unit and check that the flow switch connection has no water leakage Carry out the work of air ventilation in water circuit onthe the arrow marked on the flow switch Blue cap for type E Blackcap for O56type Dy Pipe cover panel 1 Detachment 1 Remove wires which are connected to the terminal block and then remove wiring from the wiring port 2 Remove the screws for the pipe cover panel 4x10 5pcs 2 Attachment 1 Carry out installation by following the detachment procedure in reverse 70 Part to be replaced Work procedure Remarks Heat exchanger assembly 1 Detachment 1 Close the water supply source valve and the valve of water pipe connected to the unit carry out the refrigerant recovery and then remove the refrigerant and water pipes 2 Carry out the detachment of item 4 Electrical control box and item pipe cover plate 3 Remove the screws for the heat exchanger assembly fixing plate as shown
72. at rest 1 Invoke the SERVICE CHECK mode by pressing the buttons simultaneously and holding for at least 4 seconds The letters SERVICE CHECK light up and the check code Li t is displayed indicating the error history This is accompanied by the indoor unit No to which the error history is 2 BON TIMERSET FAN MODE related and a check code Cmo3 C 5 CB TME SAVE VENT 5 J tx 2 To check other error history items press the 33 C5 D seer ci oumae OJ O 6 9 button to select another check code A Check code Li t latest Check code oldest Note Error history contains four items 3 1 Monal TEST Steps to follow When the amp button is pushed normal display is 1 2 3 restored NOTE Do not push the amp button as it would erase the whole error history of the indoor unit How to read displayed information lt 7 segment display symbols Vtt rr moe LCCL lt Corresponding alphanumerical letters gt 012 3 4 5 8 7 8 9 A b C d E F H J LP A pump T1 Hn 44 Using TCC LINK central control remote controller TCB SC642TLE2 1 Checking and testing When a fault occurs to an air conditioner a Display of Unit No Display of check code check code and indoor unit No are displayed i on the display window of the rem
73. check codes detected by the main remote controller central control device do not necessarily have a direct impact on air conditioner operation 39 List of check codes outdoor unit Errors detected by SMMS outdoor interface typical examples Check code Outdoor 7 segment display Sub code TCC LINK central control or main remote controller display IPDU Intelligent Power Drive Unit Inverter P C board Indoor unit including Hot Water Module Typical fault site Description of error Number of indoor units from which signal is received normally E06 Dropping out of indoor unit Indoor outdoor communication circuit error Indoor unit initially communicating normally fails to return signal reduction in number of indoor units connected Signal cannot be transmitted to indoor units indoor units left without communication from outdoor unit Duplicated indoor address Duplicated indoor address More than one indoor unit is assigned same address also detected at indoor unit end 01 Indoor outdoor communication 02 Outdoor outdoor communication Automatic address starting error Indoor automatic address setting is started while automatic address setting for equipment in other refrigerant line is in progress Outdoor automatic address setting is started while automatic address setting for indoor units is in progress Indoor unit not found during automatic address sett
74. circuit error Abnormal current is detected while inverter compressor is turned off Compressor 1 Compressor 2 Compressor 3 Activation of high pressure SW High pressure SW is activated Heat sink overheating error Temperature sensor built into IGBT TH detects overheating High pressure protection activation High pressure Pd sensor detected a value over the criteria 5 5 Series 4 0 IGBT circuit Position detection circuit error Motor lockup error Motor current detection TH sensor error TH sensor error Inverter DC voltage error outdoor fan Note Although letters O to F appear at locations indicated by x please ignore them Outdoor fan IPDU error Outdoor fan IPDU detects error 01 Compressor 1 02 Compressor 2 03 Compressor 3 Activation of G Tr IGBT short circuit protection Short circuit protection for compressor motor driver circuit components is activated momentary overcurrent 01 Compressor 1 02 Compressor 2 03 Compressor 3 Compressor position detection circuit error Compressor motor position detection error is detected Flow switch protective operation 42 Check the pump Check the strainer Check the flow switch Type directtion of attachment and point of contact MG CTT Magnet contactor Indoor unit including Hot Water Module Check code Outdoor 7 segment display TCC
75. controller and SMMS outdoor unit 7 segment display on I F board and locations to be checked IPDU Intelligent Power Drive Unit Inverter P C board For other types of outdoor units refer to their own service manuals Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Error detection condition s Indoor unit including Hot Water Module Check items locations Remote controller Indoor remote controller communication error detected at remote controller end Stop of corresponding unit Communication between indoor P C board and remote controller is disrupted Check remote controller inter unit tie cable Check for broken wire connector bad contact Check indoor power supply Check for defect in indoor P C board Check remote controller address settings when two remote controllers are in use Check remote controller P C board Remote controller Remote controller transmission error Stop of corresponding unit Signal cannot be transmitted from remote controller to indoor unit Check internal transmission circuit of remote controller Replace remote controller as necessary Indoor unit Indoor remote controller communication error detected at indoor end Stop of corresponding unit There is no communication
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78. fault relating to follower outdoor unit detail displayed on follower outdoor unit There is no communication between IPDUs P C boards in inverter box Outdoor discharge temperature sensor TD1 error Outdoor discharge temperature sensor TD1 has been open short circuited Outdoor discharge temperature sensor TD2 error Outdoor discharge temperature sensor TD2 has been open short circuited Outdoor heat exchanger temperature sensor TE1 TE2 error Outdoor heat exchanger temperature sensors TE1 TE2 have been open short circuited Outdoor liquid temperature sensor TL error Outdoor liquid temperature sensor TL has been open short circuited Outdoor outside air temperature sensor TO error Outdoor outside air temperature sensor TO has been open short circuited Outdoor suction temperature sensor TS1 error Outdoor suction temperature sensor TS1 has been open short circuited 01 Compressor 1 02 Compressor 2 03 Compressor 3 Outdoor IGBT built in temperature sensor TH error Open circuit or short circuit of the outdoor IGBT built in temperature sensor TH was detected Outdoor temperature sensor TE1 TL wiring error Wiring error in outdoor temperature sensors TE1 TL has been detected Outdoor pressure sensor Pd Ps wiring error Wiring error in outdoor pressure sensors Pd Ps has been detected Indoor TF TCJ2 sensor
79. from remote controller including wireless or network adaptor Check remote controller and network adaptor wiring Indoor unit Indoor outdoor communication circuit error detected at indoor end Stop of corresponding unit Indoor unit is not receiving signal from outdoor unit Check order in which power was turned on for indoor and outdoor units Check indoor address setting Check indoor outdoor tie cable Check outdoor termination resistance setting SW30 Bit 2 No of indoor units from which signal is received normally Dropping out of indoor unit Indoor outdoor communication circuit error detected at outdoor end All stop All stop Indoor unit initially communicating normally fails to return signal for specified length of time Signal cannot be transmitted from outdoor to indoor units for 30 seconds continuously Check power supply to indoor unit Is power turned on Check connection of indoor outdoor communication cable Check connection of communication connectors on indoor P C board Check connection of communication connectors on outdoor P C board Check for defect in indoor P C board Check for defect in outdoor P C board I F Check outdoor termination resistance setting SW30 Bit 2 Check connection of indoor outdoor communication circuit Duplicated indoor address Indoor unit VF
80. from the clamp 4 Remove the screws for the electrical control box 4x10 Apcs 5 Lift the electrical control box up to about 10mm pull the electrical control box and then remove the electrical control box CAUTION Be careful of the hook provided on the Electrical control box to detach properly j i 227 2 Attachment 1 Carry out installation by following the detachment procedure in reverse NOTE Let TCJ TA TWI TF TCJ2 PMV and LM 2way valve coil wiring pass throuh the left side clamps Let TC1 TC2 TWO and FS flow switch wiring pass through the right side clamps Let PMV and FS flow switch relay connectors locate in the electrical control box PMV relay conector Blue Flow switch relay conector White Left side clamps TCJ TA TWI TF TCJ2 PMV and LM 2way valve coil wiring are passed through 6869 Terminal block Right side clamps TC1 TC2 TWO and FS flow switch wiring are passed through Part to be replaced Work procedure Remarks Flow switch 1 Detachment 1 Close the water supply source valve 2 Carry out the detachment of item 4 Electrical control box 3 Slowly turn the cap of flow switch completely and then lift the flow switch upward NOTE Use some clothes to avoid water dropping 2 Attachment 1 Carry out installation by following the detachment procedure in reverse NOTE The flow switch connection uses
81. is caused at user fs side Ventilation When the refrigerant gas leaks during work execute ventilation If the refrigerant gas touches to a fire poisonous gas generates A case of leakage of the refrigerant and the closed room full with gas is dangerous because a shortage of oxygen occurs Be sure to execute ventilation Compulsion When the refrigerant gas leaks find up the leaked position and repair it surely If the leaked position cannot be found up and the repair work is interrupted pump down and tighten the service valve otherwise the refrigerant gas may leak into the room The poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous When installing equipment which includes a large amount of charged refrigerant such as a multi hot water module in a sub room it is necessary that the density does not the limit even if the refrigerant leaks If the refrigerant leaks and exceeds the limit density an accident of shortage of oxygen is caused Tighten the flare nut with a torque wrench in the specified manner Excessive tighten of the flare nut may cause a crack in the flare nut after a long period which may result in refrigerant leakage Nitrogen gas must be used for the airtight test The charge hose must be connected in such a way that it is not slack For the installation moving reinstallation work follow to the Installatio
82. the CODE No DN code up down by place First change the CODE No DN code from J to 03 To set central control address Jot down the setting data displayed Change the CODE No DN code using the 3355 button Again jot down the setting data displayed Repeat step 5 until all the setting data has been jotted down See the CODE No list CODE DN code go from Li FF with a few gaps along the way TEST When finished push the button to bring the system back to normal off state It takes the system about 1 minute to become responsive to remote controller operation CODE No DN code necessary at minimum DN Contents 10 Type 11 Indoor unit capacity 12 Line address 13 Indoor address 14 Group address sFig 1 RBC AMT32E gt 63 Remote controller operation diagram lt Fig 2 RBC AMS41E gt 20028 corda ON OFF TEMP ON OFF MODE 4 pa SCHEDULE EJ Wo 4 CB quedo Swe VENT mde DAY TME SAVE VENT OO as Cm LOUVER 5 I SET CL SUUINGIE DC UNIT LOWER B 4 Cr 0 2 7 2 Procedure 2 replacing P C board 1 Replace the faulty P C board with a service P C board Be sure to replicate the old jumper setting removal on the service board See the diagram at below
83. understanding the described items thoroughly in the following contents Indications Illustrated marks and keep them Explanation of indications Indication Explanation A DANGER Indicates contents assumed that an imminent danger causing a death or serious injury of the repair engineers and the third parties when an incorrect work has been executed Indicates possibilities assumed that a danger causing a death or serious injury of the N WARNING repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Indicates contents assumed that an injury or property damage may be caused on the AN CAUTION repair engineers the third parties and the users due to troubles of the product after work when an incorrect work has been executed Property damage Enlarged damage concerned to property furniture and domestic animal pet Explanation of illustrated marks Explanation Indicates prohibited items Forbidden items to do The sentences near an illustrated mark describe the concrete prohibited contents Indicates mandatory items Compulsory items to do The sentences near an illustrated mark describe the concrete mandatory contents Indicates cautions Including danger warning The sentences or illustration near or in an illustrated mark describe the concrete cautious contents Warning indications on the hot water module
84. water module for change settings can be confirmed 5 Monitoring function of wired remote controller The following monitoring function is available if the remote controller of RBC ATM32E is used V Content Enter the service monitoring mode using the remote controller to check the sensor temperature or operation status of the remote controller indoor unit and outdoor unit TEST 1 Push and hold the and for 4 seconds or longer to enter the service monitoring mode The service monitor lights up The temperature of CODE No 00 appears at first 2 Push the Oe button to change to CODE No of the item to monitor Refer to the following table for CODE No UNIT LOUVER Push the button left side of the button to change to the item to monitor Monitor the sensor temperature or operation status of the indoor unit and outdoor unit in the refrigerant line TEST 4 Push the to return the display to normal NOTE The LED on the PC board of the selected hot water module flashes The hot water module for change settings can be confirmed 32 Target outdoor unit SMMS i Series 4 for hot water module CODE No Data Format Unit Remote controller display example Hot water 00 Water inlet temperature in control x1 module 2 02 Water inlet Temperature
85. 1 2 for clogging Check resistance characteristics of TS1 sensor Check for defect in 4 way valve Check SV4 circuit for leakage 02 TD condition Gas leak detection TD condition All stop Protective shutdown due to sustained discharge temperature TD1 TD2 or TD3 at or above 108 C for at least 10 minutes is repeated four times or more Check for insufficiency in refrigerant quantity Check PMVs PMV 1 2 for clogging Check resistance characteristics of TD1 TD2 and TDS sensors Check indoor filter for clogging Check piping for clogging Check SV4 circuit for leakage or coil installation error Discharge temperature TD2 error All stop 57 Discharge temperature TD2 exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD2 sensor Check for defect in 4 way valve Check SV4 circuit for leakage Check SV4 circuit for wiring or installation error involving SV41 SV42 and SV43 Indoor unit including Hot Water Module Check code Main remote controller Outdoor 7 segment display Location of Check code Sub code detection Description System status Error detection condition s Check items locations P18 P18
86. 10 8pcs 2 Attachment 1 Carry out installation by following the detachment procedure in reverse 2way valve coil 1 Detachment 1 Carry out the detachment of item Front panel 2 Remove connector which is connected from the control P C board to the other part and then remove wiring from the clamp LM 2way valve Green 3 Remove the screw for the 2way valve coil M5x6 5 1pc 2 Attachment 1 Carry out installation by following the detachment procedure in reverse NOTE Control the tightening torque for the 2way valve coil to 2 0 0 5N m Be careful in the insertion direction of attaching the 2way valve coil as shown below Let 2 way valve coil wiring pass through the letf side clamps Refer to item 4 Electrical control box 2way valve coil drection PMV motor 1 Detachment 1 Carry out the detachment of item Front panel 2 Remove connector which is connected from the control P C board to the other part and then remove wiring from the clamp 82 PMV Blue 6P 3 Loosen the nuts fixing PMV motor with double spanner to remove PMV motor 2 Attachment 1 Carry out installation by following the detachment procedure in reverse NOTE Control the tightening torque for the PMV motor to 7 84 0 98Nem Let PMV wiring pass through the letf side clamps Refer to item Electrical control box 73 gt Part to be rep
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89. AP LQ Indoor unit capacity CODE No 11 Setup data model 0000 Invalid 0011 027 type 0017 056 type The initial setup value of EEPROM installed on the service P C board 66 10 DETACHMENTS A WARNING CAUTION Stop the air conditioner including HWM operation Wear a pair of gloves Otherwise you will risk an injury and turn off the circuit breaker involving a replacement part or some other object Part to be replaced Work procedure Remarks Front panel 1 Detachment 1 Remove the screws for the front panel 4x10 2pcs 2 Pull the front panel downward and then remove the front panel 2 Attachment 1 Carry out installation by following the detachment procedure in reverse Be careful of the hook provided on the front panel P C board 1 Detachment MCC 1403 1 Carry out the detachment of item Front panel 2 Remove connectors which are connected from the control P C board to the other parts CNO30 FS Flow switch Red CNO33 LM 2way valve Green CN102 Red 2P CN101 TC2 TWO Black 2P CN100 TC1 Brown 3P CN103 TF TCJ2 Green 2P CN104 TA TWI Yellow 2P CNO082 PMV Blue 6P Card edge spacer CNO67 AC IN Black 3P CNO74 TRANS P White CNO075 TRANS S White 6P CNO60 OPTION White 6P CNO40 OC Blue 2P CNO044 RC Blue Black Black Wire N CAUTION EL Unlock the lock of the housing p
90. EFM MD12TF 1 43146714 VALVE PMV EDM B40YGTF 3 43146723 BODY PMV 4314N079 VALVE 2WAY FDF2A88 43047527 TUBE CAPILLARY ID2 0X2000L 43107215 HOLDER SENSOR 43F 19904 HOLDER SENSOR TS 43188295 OWNER S MANUAL 43158296 OWNER S MANUAL The capillary tube is provided as the service part with the length of 2000 mm Paying proper regard to the burr or others cut the tube to 1000 mm each to use it 7762 E Parts
91. LINK central control 1 Sr main Typical fault site Description of error Sub code controller display A02 temperature decrease e Check the water temperature e Check the heat insulator of wate pipes e Check the line heater Check the PMV coil and PMV e Check the 2way valve coil and 2way valve Plate type heatexchanger freezing protective operation Note The above check codes are examples only and different check codes may be displayed depending on the outdoor unit configuration e g a Super heat recovery multi system For details see the service manual for the outdoor unit 43 8 3 Troubleshooting based on information displayed on remote controller Using main remote controller RBC AMT32E 1 Checking and testing fe When a fault occurs to an air conditioner a check code and indoor unit No are displayed on the display window of the remote controller Li Check codes are only displayed while the air M conditioner is in operation If the display has already disappeared access error history by following the procedure described Check code below Indoor unit No in which fault has occurred 2 Error history The error history access procedure is described below up to four errors stored in memory Error history can be accessed regardless of whether the air conditioner is in operation or shut down lt Procedure gt To be performed when system
92. ROM Procedure 3 Q Resetting power supply applicable to all hot water module units connected to remote controller in case of group operation Method 2 If it is not possible to read the setting data due to the failure of the EEPROM itself Replacing P C board and turning on power Procedure 2 Q Writing EEPROM data on basis of information supplied by customer e g optional connection setting Procedure 3 Q Resetting power supply applicable to all hot water module units connected to remote controller in case of group operation 62 Procedure 1 reading setting data from EEPROM Read the setting data from EEPROM including both the factory settings and any modifications made to them on 1 N O Om AQ site TEST SET Push the buttons simultaneously and hold for at least 4 seconds This number corresponds to the same number shown on the Remote Controller Operation Diagram In the case of group control the unit No displayed first is the indoor unit including Hot Water Module No of the header unit At the same time the CODE No DN code iH is displayed UNIT LOUVER Each time the button is pushed one of the indoor unit including Hot Water Module No under group control is displayed in turn The fan of the selected indoor unit including Hot Water Module comes on with the louvers swinging depending on the model The button allows you to move
93. S LIST MMW AP0271LQ E MMW AP0561LQ E MMW AP0271LQ TR MMW AP0561LQ TR 201 7 7 No label AM No 229 230 are not included in No 210 211 e 210 241 212 213 214 20 mm soa 4 No label 231 232 75 Location No Part No Description Q fty Set MMW AP0271 LQ E AP0561 LQ E AP0271 LQ TR AP0561 LQ TR 201 4310A109 CABINET MAIN 1 1 202 43119530 PANEL PIPE COVER 203 43019830 BUSHING 204 4310A111 PANEL FRONT 205 43172249 PAN DRAIN 206 4310A110 BASE 207 4310A112 LEG 208 43197190 SCREW SET M5 110 209 37517876 MARK TOSHIBA ol P HA 0 210 4314J508 4314J509 PIPE ASSY WATER HEAT EXCHANGER PIPE ASSY WATER HEAT EXCHANGER _ 03 4314N047 COIL VALVE 2WAY FQ G593 37551737 SWITCH FLOW 37551735 SWITCH FLOW 43049776 SOCKET 43149355 NUT FLARE 3 8 IN 43F47609 BONNET 43149354 SOCKET 43149352 NUT FLARE 5 8 IN 43194029 BONNET 5 8 IN 43147664 STRAINER 4314Q114 37547751 STRAINER SCREEN VALVE CHECKED BCV 302DY 43146743 MOTOR PMV
94. SV5 valve circuit Check for refrigerant overcharging Check for defect in outdoor P C board I F 01 Compressor 1 side Compressor 2 side Compressor 3 side 02 03 Heat sink overheating error All stop Temperature sensor built into IGBT TH is overheated Check power supply voltage Check outdoor fan system error Check heat sink cooling duct for clogging Check IGBT and heat sink for thermal performance for faulty installation e g mounting screws and thermal conductivity Check for defect in A3 IPDU faulty IGBT built in temperature sensor TH Detected indoor address Indoor unit Indoor overflow error All stop 56 Float switch operates Float switch circuit is open circuited or disconnected at connector Check float switch connector Check operation of drain pump Check drain pump circuit Check drain pipe for clogging Check for defect in indoor P C board Check code Main remote controller Check code Outdoor 7 segment display Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations Indoor unit Indoor fan motor error Stop of corresponding unit Motor speed measurements continuously deviate from target value Overcurrent protect
95. TOSHIBA FILE No 10 1412 AIR CONDITIONER MULTI TYPE SERVICE MANUAL Hot Water Module Model name MMW APO271LQ E MMW AP0561LQ E MMW AP0271LQ TR MMW AP0561LQ TR CONTTENTS 1 SUMMARIES OF PRODUCT CHARACTERISTICS 11 Pelle 12 WIRING DIAGRAMS qe H 13 4 PARTS RATING M 14 5 REFRIGERANT CYCLE DIAGRAM 15 6 CONTROL OUTLINE e 16 7 APPLIED CONTROL AND FUNCTIONS 19 7 1 Hot Water Module printed circuit board 19 7 2 Optional connector specifications of hot water module P C board 20 7 3 Test operation of hot water module 21 7 4 Method to set hot water module function DN code eene 22 7 5 Applied control of indoor unit including Hot Water Module 23 7 6 Test operation CIIGOK EXEXEPIU HM IIR N REUS SEN ERYNIA XARKR USA ARMAR KE VE Y NEU danan anisa DEN sasas 35 CAPE LeUIL NLIS esr tm c 37 mE i creeer e 37 8 2 Troubleshooting
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99. alified installer or qualified service person to do them for you A qualified installer or qualified service person is an agent who has the qualifications and knowledge described in the table Qualifications and knowledge which the agent must have The qualified installer is a person who installs maintains relocates and removes the air conditioners including the hot water modules made by Toshiba Carrier Corporation He or she has been trained to install maintain relocate and remove the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to these operations The qualified installer who is allowed to do the electrical work involved in installation relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly Qualified installer acquainted with the knowledge related to this work The qualified installer who is allowed to do the refrigerant handli
100. aps protective gloves and other protective clothing When connecting the electrical wires repairing the electrical parts or undertaking other electrical jobs wear gloves to provide protection for electricians insulating shoes and clothing to provide protection from electric shocks Failure to wear this protective gear may result in electric shocks Electrical wiring work shall be conducted according to law and regulation in the community and installation manual Failure to do so may result in electrocution or short circuit When working at heights use a ladder which complies with the ISO 14122 standard and follow the procedure in the ladder s instructions Also wear a helmet for use in industry as protective gear to undertake the work When working at heights put a sign in place so that no one will approach the work location before proceeding with the work Parts and other objects may fall from above possibly injuring a person below Do not touch the plate heat exchanger of the unit You may injure yourself if you do so If the plate heat exchanger must be touched for some reason first put on protective gloves and safety work clothing and then proceed Do not climb onto or place objects on top of the outdoor unit You may fall or the objects may fall off of the outdoor unit and result in injury When transporting the hot water module wear shoes with additional protective toe caps When transporting the h
101. art and then remove the yuuk iu fi connector 3 Unlock the locks of the card edge spacer 4 positions and then remove the control P C board 2 Attachment 1 Carry out installation by following the detachment procedure in reverse 67 Part to be replaced Work procedure Remarks P C board MCC 1520 1 Detachment 1 Carry out the detachment of item Front panel 2 Remove connectors which are connected from the control P C board to the other parts CNO1 White 6P CNO2 Yellow 6P N CAUTION Unlock the lock of the housing part and then remove the connector 3 Unlock the locks of the card edge spacer 3 positions and then remove the control P C board 2 Attachment 1 Carry out installation by following the detachment procedure in reverse 68 Card edge spacer Part to be replaced Work procedure Remarks Electrical control box 1 Detachment 1 Carry out the detachment of item Front panel 2 Remove connectors which are connected from the control P C board to the other parts and then remove wiring from the clamp CNO30 FS Flow switch Red CNO033 LM 2way valve Green CN102 TCJ Red 2P CN101 TC2 TWO Black 2P CN100 TC1 Brown 3P CN103 TF TCJ2 Green 2P CN104 TA TWI Yellow 2P 2 PMV Blue 6P 3 Remove wires which are connected to the terminal block and then remove wiring
102. at 2 second intervals 1 second Function change being set EEPROM 2 D203 Red Remote controller communication The group header unit lights up for the first half 5 seconds while communicating with the remote controller Blinks for the second half 5 seconds at 0 2 second intervals 0 1 second during communication between group indoor header and follower Ba 7 6 Test operation check Test operation START Test tion f ing Refer to Test operation procedure ene che Neat UNI of the indoor remote controller The operation does not start for approximately 3 minutes after Operation starts powering on or stopping operation Note After powering on it may require up to 10 minutes to start the operation due to the initial communications of the system Is cold air or hot air discharged NO Check the operating status of the Is hot water discharged Hot water module compressor Test operation for every indoor unit in turn YES Is air circulation sufficient Check the direction of the louver Is water circulation sufficient Check the pump the strainer and Hot water module the air vent valve Hot water module YES Execute a test operation using rate all the in Start Stop Function of the Indoor all ene Unit from Outdoor Unit in the Service Support Function section Note 1 Is there adequate temperature difference between suction and discharge Is there adequate temper
103. ature difference RO between water inlet and water outlet Hot water module YES Check power voltage of Is the operating voltage correct Indoor units 220 240 V 10 uie ase outdoor units 380 415 V 10 ilis BOW E Sepp 7 9 YES Note 2 15 the operating current normal NO Check the temperature load of the indoor outdoor units YES Check the water flow rate and them Note 3 use isolating valve to adjust Hot water module Is the operating pressure normal Check the pipe length and refrigerant amount Check the operating Hz of the compressor YES Check the operation of the outdoor fans Check for abnormal sound in the outdoor unit Abnormal sound etc of the Notes 1 3 are on the next page compressor and other components 35 Note 1 Criteria for the difference between suction and discharge temperatures between water inlet and water outlet temperature 1 Cooling operation After operating for a minimum of 30 minutes in COOL mode if the AT dry bulb temperature difference between suction and discharge air of the indoor unit is 8 C or more it is normal 2 Heating operation After operating for a minimum of 30 minutes in HEAT mode if the AT dry bulb temperature difference between suction and discharge air of the indoor unit is 15 C or more it is normal After operating for a minimum of 30 minutes in HEAT mode if the AT water temperat
104. below 4x10 7pcs For the unit for 056 type 4x10 8pcs 4 Remove the heat exchanger assembly from the unit as shown below 056 ty When removing these two screws use a screwdriver as shown on the right 5 Remove sensors 2way valve coil and flow switch attached the heat exchanger assembly 6 Carry out installation by following the detachment procedure in reverse N CAUTION Be careful in the insertion direction of attaching the sensor as shown below Be careful to attach the flow switch as shown item flow switch 2 Attachment 1 Carry out installation by following the detachment procedure in reverse NOTE To attach the heat exchanger assembly on the proper position replace the heat exchanger assembly edge on the enboss as shown below AS TCJjand TF TCJ2 Insertiontdrectioni Part to be replaced Work procedure Remarks Heat exchanger assembly Continued N CAUTION After the vacuuming is completed carry out the following procedure before adding refrigerant Plate heat exchanger may explode because the water in the plate heat exchanger frozen To avoid this phenomenon add refrigerant before carrying out a water supply to the water pipe system of the Hot water module After connecting the refrigerant pipes check that the connection has no leakage and then carry out vacuuming Control the tightening torque for the
105. compressor casing Check SV3A SV3B SV3C SV3D SV3E and SV3F valves for defect Check oil return circuit of oil separator for clogging Check oil equalizing circuit for clogging MG CTT Magnet contactor Indoor unit including Hot Water Module Check code ocation m Outdoor 7 segment display of Description System status Check items locations controller Check Sub code detection 01 TK1 sensor Error in All stop Sensor resistance is infinity e Check connection of TK1 error temperature or zero open short circuit sensor connector 02 TK2 sensor sensor for oil Check resistance error level detection characteristics of TK1 03 TK3 sensor sensor error Check for defect in outdoor 04 TK4 sensor P C board I F e All stop Sensor resistance is infinity e Check connection of TK2 9st TeS sensor or zero open short circuit sensor connector e Check resistance characteristics of TK2 sensor e Check for defect in outdoor P C board I F All stop Sensor resistance is infinity Check connection of TK3 or zero open short circuit sensor connector Check resistance characteristics of sensor Check for defect in outdoor P C board I F All stop Sensor resistance is infinity Check connection of TK4 or zero open short circuit sensor connector Check resistance characteristics of TK4 sensor Check f
106. ct Detected indoor address Indoor unit External interlock of indoor unit Stop of corresponding unit Signal is present at external error input terminal CN80 for 1 minute When external device is connected to CN80 connector 1 Check for defect in external device 2 Check for defect in indoor P C board When external device is no connected to CN80 connector 1 Check for defect in indoor P C board Extended IC error Continued operation There is part failure in P C board I F Check outdoor P C board I F Indoor unit Indoor fan motor error Stop of corresponding unit Check the lock of fan motor AC fan Check wiring Discharge temperature TD1 error All stop 55 Discharge temperature TD1 exceeds 115 C Check outdoor service valves gas side liquid side to confirm full opening Check outdoor PMVs PMV1 2 4 for clogging Check resistance characteristics of TD1 sensor Check for insufficiency in refrigerant quantity Check for defect in 4 way valve Check for leakage of SV4 circuit Check SV4 circuit wiring or installation error in SV41 SV42 or SV43 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Indoor unit including Hot Water Module
107. d and is thus thoroughly acquainted with the knowledge related to these operations The qualified service person who is allowed to do the electrical work involved in installation repair relocation and removal has the qualifications pertaining to this electrical work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to electrical work on the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to do the refrigerant handling and piping work involved in installation repair relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person who is allowed to work at heights has been trained in matters relating to working a
108. d signal wires as necessary 287 8 2 Troubleshooting method The remote controllers main remote controller and central control remote controller and the interface board of an outdoor unit are provided with an LCD display remote controller or a 7 segment display outdoor interface P C board to display operational status Using this self diagnosis feature the fault site faulty part may be identified in the event of a fault by following the method described below The list below summarizes check codes detected by various devices Analyze the check code according to where it is displayed and work out the nature of the fault in consultation with the list When investigating a fault on the basis of a display provided on the indoor remote controller or TCC LINK central control remote controller See the TCC LINK remote controller or main remote controller display section of the list When investigating a fault on the basis of a display provided on an outdoor unit See the Outdoor 7 segment display section of the list When investigating a fault on the basis of a wireless remote controller controlled indoor unit See the Light sensor indicator light block section of the list List of check codes indoor unit Error detected by indoor unit Check code TCC LINK central control or main remote controller display Outdoor 7 segment display Sub code IPDU Intelligent Power Drive Un
109. defect in outdoor P C board I F Ps sensor error All stop Output voltage of Ps sensor is zero Check for connection error involving Ps sensor and Pd sensor connectors Check connection of Ps sensor connector Check for defect in Ps sensor Check for deficiency in compressive output of compressor Check for defect in 4 way valve Check for defect in outdoor P C board I F Check for defect in SV4 circuit Pd sensor error All stop Output voltage of Pd sensor is zero Sensor open circuited Pd gt 4 15 MPa despite compressor having been turned off Check connection of Pd sensor connector Check for defect in Pd sensor Check for defect in outdoor P C board I F Other indoor error Stop of corresponding unit Indoor P C board does not operate normally Check for defect in indoor P C board faulty EEPROM Outdoor EEPROM error All stop 1 Outdoor P C board I F does not operate normally Check power supply voltage Check power supply noise Check for defect in outdoor P C board I F 01 Compressor 1 side 02 Compressor 2 side 03 Compressor 3 side 1 Total shutdown in case of header unit Continued operation in case of follower unit Compressor breakdown All stop 50 Inverter current detection circuit detects overcurrent and shuts system down
110. door units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board I F Check termination resistance setting for communication between outdoor units Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations E25 E25 Duplicated follower outdoor address All stop There is duplication in outdoor addresses set manually Note Do not set outdoor addresses manually Address of outdoor unit from which signal is not received normally Dropping out of outdoor unit All stop Outdoor unit initially communicating normally fails to return signal for specified length of time Backup setting is being used for outdoor units Check power supply to outdoor unit Is power turned on Check connection of tie cables between outdoor units for bad contact or broken wire Check communication connectors on outdoor P C boards Check for defect in outdoor P C board I F Detected outdoor unit No SMMS i Series 4 A3 IPDU oj JO O signifies site of IPDU error Outdoo
111. dress for the header outdoor unit of each line with SW13 and 14 of their interface boards Turn off dip switch 2 of SW30 on the interface P C boards of all the header outdoor units connected to the same central control except the unit that has the lowest address For unifying the termination of the wiring for the central control of indoor and outdoor units Connect the relay connectors between the U1 U2 and U3 U4 terminals on the header outdoor unit of each refrigerate line After finishing all the settings above set the address of the central control devices For the setting of the central control address refer to the installation manuals of the central control devices 3 In case of the hot water module remove the front panel so that P C board is visible and then check the DO2 LED at the center of P C board goes on to judge whether DN is being set or not The LED goes on while DN code is being set 24 Confirming the indoor unit addresses and the position of an indoor unit using the remote controller Confirming the numbers and positions of indoor units To see the indoor unit address of an indoor unit which you know the position of v When the unit is individual the indoor unit is paired with a wired remote controller one to one or it is a group controlled one ON OFF A FAN MODE Starts running SAVE VENT FILTER RESET TEST SWING FIX UNIT LOUVER 2 Execute it while the un
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113. e been connected SMMG Series 4 A3 IPDU Fan 3 IPDU 0A 0B oC 00 0E Circle Faulty IPDU Error in number of IPDUs Sait There are insufficient number of IPDUs P C boards in inverter box Check code Outdoor 7 segment display Sub code TCC LINK central control or main remote controller display Typical fault site Indoor unit including Hot Water Module Description of error Detected indoor unit No 130 Indoor external error input interlock Indoor unit has been shut down for external error input in one refrigerant line detected by indoor unit Outdoor discharge TD1 temperature error Outdoor discharge temperature sensor TD1 has detected abnormally high temperature P0301 Compressor 1 02 Compressor 2 03 Compressor 3 High pressure SW activation High pressure SW was activated 00 Open phase detected 01 Compressor 1 ALT 02 Compressor 2 03 Compressor 3 Open phase power failure Inverter DC voltage Vdc error MG CTT error Open phase is detected when power is turned on Inverter DC voltage is too high overvoltage or too low undervoltage 01 Compressor 1 02 Compressor 2 03 Compressor 3 Heat sink overheating error Temperature sensor built into IGBT TH detects overheating Indoor unit No detected Indoor u
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116. emote controller wiring 7 45 Group control wiring Remote controller Case 2 Hot water module Hot water module Hot water module one being serviced 1 P C board a board Service P C board 7 CN 41 t A P4 Remove CN41 8 connectors of all X other indoor units LE Hf 6 f P in same group Group control wiring Remote controller Be sure to restore the temporarily removed group control wiring and CN41 connectors to their initial states after Procedure 3 has been completed 1 Hot water module can connect up to two units in one refrigerative system Procedure 3 writing setting data in EEPROM The EEPROM of the service board has been set to the factory default values 1 3 4 8 9 TEST SET cL Fig 1 RBC AMT32E gt Push the 5 buttons simultaneously and hold for at least 4 seconds This number corresponds to the same number shown on the Remote Controller Operation Diagram Under UNIT No HLL is displayed At the same time the CODE No DN code tt is displayed Push the XS button left side of the button to 3 display the indoor unit including Hot Water Module No one by one in the group control Specify the 5 indoor unit including Hot Water M
117. ensor 200 20 150 45 Resistance kQ 10 C or below Resistance kO 10 C or below 100 10 50 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature 61 9 P C BOARD EXCHANGE PROCEDURES Hot water module Replacement of Hot water module P C boards Part code Model type P C board type 431 6V 529 MMW AP 1LQ series MCC 1403 Points to note when replacing hot water module P C board assembly The electrically erasable programmable read only memory hereinafter EEPROM IC10 mounted on a P C board holds important setting data including the type and capacity codes intrinsic to the model set at the factory as well as the line indoor including hot water module group addresses and the like during installation either automatically or manually Proceed with the replacement of a board assembly in accordance with the procedure described below After completion of the work check the settings again including the hot water module No and group header follower designation and confirm the integrity of the refrigerating cycle by conducting a test operation etc lt Replacement procedure gt Method 1 If it is possible to turn on the hot water module and read the setting data from the board to be replaced via a wired remote controller Reading EEPROM data Procedure 1 Replacing board and turning power Procedure 2 Q Writing EEPROM data in new EEP
118. epeatedly to set the CODE No to E 3 Push the TIME C buttons repeatedly to set a system address Match the address with the address on the interface P C board of the header outdoor unit in the same refrigerant line 4 Push amp button It is OK if the display turns on lt Indoor unit address gt 5 Push the TEMP C2 buttons repeatedly to set the CODE No to 3 6 Push the TIME C 0 buttons repeatedly to set an indoor unit address SET 7 Push the button It is OK if the display turns on lt Group address gt 8 Push the TEMP CD buttons repeatedly to set the CODE No to H 9 Push the TIME buttons repeatedly to set a group address If the indoor unit is individual set the address to 0000 header unit 000 follower unit 0000 SET 10 Push the button It is OK if the display turns on 11 Push the amp button The address setting is complete flashes You can control the unit after has disappeared NOTE 1 Do not use address numbers 29 or 30 when setting system addresses using the remote controller These 2 address numbers cannot be used on outdoor units and the CODE No E04 Indoor outdoor communication error will appear if they are mistakenly used 2 If you set addresses to indoor units in 2 or more refrigerate lines manually using the remote controller and will control them centrally set the header outdoor unit of each line as below Set a system ad
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120. er of one or more of the hot water modules and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies wear insulated heat resistant gloves insulated boots and insulated work overalls and take care to avoid touching any live parts You may receive an electric shock if you fail to heed this warning Only qualified service person 1 is allowed to do this kind of work A WARNING General Before starting to repair the hot water module read carefully through the Service Manual and repair the hot water module by following its instructions Only qualified service person 1 is allowed to repair the hot water module Repair of the hot water module by unqualified person may give rise to a fire electric shocks injury water leaks and or other problems Do not use any refrigerant different from the one specified for complement or replacement Otherwise abnormally high pressure may be generated in the refrigeration cycle which may result in a failure or explosion of the product or an injury to your body Only a qualified installer 1 or qualified service person 1 is allowed to carry out the electrical work of the hot water module Under no circumstances must this work be done by an unqualified individual since failure to carry out the work properly may result in electric shocks and or electrical leaks When transporting the hot water module wear shoes with protective toe c
121. error Check connection of TF sensor connector Check resistance characteristics of TF sensor Outdoor discharge temperature sensor TD3 error Outdoor discharge temperature sensor TD3 has been open short circuited Low pressure sensor Ps error Output voltage of low pressure sensor Ps is zero x When the indoor unit connection capacity is calculated APOO5 is calculated as 0 8 HP 40 Check code Outdoor 7 segment display Sub code TCC LINK central control or main remote controller display Typical fault site Indoor unit including Hot Water Module Description of error F24 High pressure sensor Pd error Output voltage of high pressure sensor Pd is zero or provides abnormal readings when compressors have been turned off F25 Indoor TA TWI sensor error Check connection of TA sensor connector Check resistance characteristics of TA sensor F26 Indoor TC2 TWO sensor error Check connection of TC2 sensor connector Check resistance characteristics of TC2 sensor F31 Outdoor EEPROM error Outdoor EEPROM is faulty alarm and shutdown for header unit and continued operation for follower unit 01 Compressor 1 02 Compressor 2 03 Compressor 3 Compressor breakdown Overcurrent of the inverter current Idc detection circuit was detected 01 Compressor 1 02 Compressor 2 03 Compressor 3 Compressor
122. error Lock Compressor lock was detected 01 Compressor 1 02 Compressor 2 03 Compressor 3 Current detection circuit error Current error was detected while the compressor was stopped Compressor 1 case thermo activation Compressor 1 case thermo was activated for protection Outdoor discharge temperature sensor TD1 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD1 has been detected Activation of low pressure protection Low pressure Ps sensor detects abnormally low operating pressure Activation of low pressure protection Temperature sensor for oil level detection TK1 5 detects abnormally low oil level 01 TK1 sensor error 02 TK2 sensor error 03 TK3 sensor error 04 TK4 sensor error 05 TK5 sensor error Error in temperature sensor for oil level detection TK1 5 Temperature sensor for oil level detection TK1 5 has been open short circuited Compressor 2 case thermo activation Compressor 2 case thermo was activated for protection Outdoor discharge temperature sensor TD2 wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD2 has been detected 01 TK1 oil circuit error 02 TK2 oil circuit error 03 TKS oil circuit error 04 TK4 oil circuit error 05 5 oil circuit error Oil level detection circuit error No temperature change is detected by temperatu
123. floor area compared with the amount of refrigerant is roughly as follows When the ceiling is 2 7 m high ee 2 35 Range below the m density limit of 30 0 3 kg m countermeasures B 25 not needed S 20 8 Range above the bh density limit of 8 0 3 kg m 5 101 343 countermeasures c needed 24 0 10 20 30 Total amount of refrigerant kg 107 TOSHIBA CARRIER CORPORATION 72 34 Horikawa cho Saiwai ku Kawasaki shi Kanagawa 212 8585 JAPAN Copyright 1999 to 2014 TOSHIBA CARRIER CORPORATION ALL Rights Reserved
124. g connection of the switching unit Miswiring of discharge gas suction gas Check the SVS SVD valve miswiring misinstallation Indoor unit including Hot Water Module Check code Outdoor 7 segment display Location Main Error detection remote controller Check code Sub code of detection Description System status condition s Check items locations AI NET Indoor unit Duplicated central control address All stop There is duplication in central control address setting Check central control addresses Check network adaptor P C board applicable to AI NET Too many outdoor units connected All stop There are more than four outdoor units Check No of outdoor units connected Only up to 4 units per system allowed Check communication lines between outdoor units Check for defect in outdoor P C board I F SMMS i Series 4 A3 IPDU 213 1 OJOJOJOJO O JOJO ojo Symbol O signifies site of IPDU error Error in No of IPDUs All stop Insufficient number of IPDUs are detected when power is turned on Check model setting of P C board for servicing outdoor I F P C board Check connection of UART communication connector Check A3 IPDU fan IPDU and I F P C board for defe
125. h 1200 mm Vinyl tube Blue connector color Brown size lead wire length 1200 mm Vinyl tube Black connector color Black TCJ sensor 6 size lead wire length 1200 mm Vinyl tube Red connector color Red TF TCJ2 sensor 6 size lead wire length 1000 mm Vinyl tube Gray connector color Green cia 5 REFRIGERANT CYCLE DIAGRAM TC1 Gas side Water Outlet HEAT EXCHANGER i i i i i i i PLATE TYPE i i i i TCJ i X Water Inlet Liquid side X PULSE TF MOTOR TCJ2 VALVE E gt Solenoid Check Strainer Tempe valve valve sensor 15 6 CONTROL OUTLINE Item Specification Remarks Upon power supply reset 1 Identification of outdoor unit When the power supply is reset the outdoor unit is identified and control is redirected according to the identification result Indoor fan speed and air flow direction control availability settings Settings such as indoor fan speed and air flow direction control availability are replaced on the basis of EEPROM data If power supply reset is performed in the wake of a fault the check code is cleared If the abnormality persists after the Start Stop button on the remote controller is pushed to resume operation the check code is redisplayed on the remote controller Operation selection The operation mode changes in response to an operat
126. he indoor units in the group stop NOTE The LED on the P C board of the selected hot water module flashes The hot water module for change settings can be confirmed 26 To check all the indoor unit addresses using an arbitrary wired remote controller When communication wirings of 2 or more refrigerant lines are interconnected for central control 1 TIME SAVE VENT FILTER RESET TEST cL SWING FIX UNIT LOUVER QNA Execute it while the units are stopped You can check indoor unit addresses and positions of the indoor units in a single refrigerant line When an outdoor unit is selected the indoor unit numbers of the refrigerant line of the selected unit are indicated one after another and the fan and louvers of the indicated indoor units are activated 1 Push and hold the TIME 2 buttons at the same time for more than 4 seconds At first the line 1 and CODE Address Change are indicated on the LCD display Select an outdoor unit UNIT LOUVER SWING FIX 2 Push the e e left side of the button and buttons repeatedly to select a system address SET Push the button to confirm the system address selection The address of an indoor unit connected to the selected refrigerant line is indicated on the LCD display and its fan and louvers are activated 4 Push the button left side of the button Each time you push the button the indoor unit numbers
127. heck for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature change is detected by TK4 despite compressor having been started Check for disconnection of TK4 sensor Check resistance characteristics of TK4 sensor Check for connection error involving TK1 TK2 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature change is detected by TK5 despite compressor having been started Check for disconnection of TK5 sensor Check resistance characteristics of TK5 sensor Check for connection error involving TK1 TK2 TK4 and TK5 sensors Check for faulty operation in SV3E valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description sensor miswiring incomplete insertion System status All stop Indoor unit including Hot Water Module Error detection condition s Air discharge temperature TD3 does not increase despite compre
128. hing to steady 2 If there is no discrepancy do nothing Use the 5 button to change the CODE No DN code Again check the value and change the setting if necessary Repeat steps 6 and 7 until all the settings are checked TEST 10 When finished push the amp button to bring the system back to normal off state In the case of group operation turn the unit off reconnect the indoor indoor group control wiring and CN41 connectors and turn on all the indoor units including Hot Water Module It takes the system about 1 minute to become responsive to remote controller operation CODE DN code go from Li to FF with a few gaps along the way If you realize you have wrongly corrected a certain setting after pushing the button you can recover the initial value by pushing the amp button provided that the CODE No DN code is yet to be changed 65 CODE No list Example CODE No DN Item Setting data Factory set value 03 Central control address 0099 Not determined 10 Type Depending on model type 11 Indoor unit capacity Depending on capacity type 12 System address 0099 Not determined 13 Indoor unit address 0099 Not determined 14 Group address 0099 Not determined 28 Power failure automatic recovery 0000 None 60 Timer setting wired remote controller 0000 Standard Type Code No 10 Setup data Type Model abb name 0060 Hot water module MMW
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130. incomplete insertion All stop Discharge temperature of compressor 1 TD1 does not increase despite compressor being in operation Check installation of TD1 sensor Check connection of TD1 sensor connector and wiring Check resistance characteristics of TD1 sensor Check for defect Activation of low pressure protection All stop Low pressure Ps sensor detects operating pressure lower than 0 02 MPa Check service valves to confirm full opening both gas and liquid sides Check outdoor PMVs for clogging PMV1 2 Check for defect in SV2 SV4 circuits Check for defect in low pressure Ps sensor Check indoor filter for clogging Check valve opening status of indoor PMV Check refrigerant piping for clogging Check operation of outdoor fan during heating Check for insufficiency in refrigerant quantity Low oil level protection All stop Ej Operating compressor detects continuous state of low oil level for about 2 hours lt All outdoor units in corresponding line to be checked gt Check balance pipe service valve to confirm full opening Check connection and installation of TK1 TK2 TK3 TK4 and TK5 sensors Check resistance characteristics of TK1 TK2 TK3 TK4 and 5 sensors Check for gas or oil leak in same line Check for refrigerant entrapment inside
131. indoor P C board Check code Main remote controller Check code Outdoor 7 segment display Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations Indoor unit Indoor TC1 sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TC1 sensor connector and wiring Check resistance characteristics of TC1 sensor Check for defect in indoor P C board TD1 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD1 sensor connector Check resistance characteristics of TD1 sensor Check for defect in outdoor P C board I F TD2 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TD2 sensor connector Check resistance characteristics of TD2 sensor Check for defect in outdoor P C board I F 01 TE1 sensor error 02 TE2 sensor error TE1 TE2 sensor error All stop Sensor resistance is infinity or zero open short circuit Check connection of TE1 TE2 sensor connectors Check resistance characteristics of TE1 TE2 sensors Check for defect in outdoor P C board I F TL sensor error TO sensor error All stop All stop
132. indoor unit are activated The fan of the selected indoor unit is turned on Push the TEMP CY buttons repeatedly to select 3 for CODE No Push the TIME C buttons repeatedly to change the value indicated in the SET DATA section to that you want SET Push the button UNIT LOUVER Push the button left side of the button repeatedly to select another indoor UNIT No to change Repeat steps 4 to 6 to change the indoor unit addresses so as to make each of them unique UNIT LOUVER Push the button left side of the button to check the changed addresses TEST If the addresses have been changed correctly push the 2 button to finish the procedure NOTE The LED on the P C board of the selected hot water module flashes The hot water module for change settings can be confirmed 28 To change all the indoor unit addresses using an arbitrary wired remote controller The method is available when the addresses have already been set automatically When communication wirings of 2 or more refrigerant lines are interconnected for central control NOTE You can change the addresses of indoor units in each refrigerant line using an arbitrary wired remote controller Enter the address check change mode and change the addresses 1 JD gt aS SWING FIX UNIT LOUVER Cancels the line selection If no number appears on UNIT No no outdoor un
133. ing Indoor unit fails to communicate while automatic address setting for indoor units is in progress 00 Overloading 01 Number of units connected Too many indoor units connected overloading Combined capacity of indoor units is too large more than 135 of combined capacity of outdoor units 00 No header unit 02 Two or more header units Error in number of outdoor header units There is no or more than one outdoor header unit in one refrigerant line 01 Connection of outdoor unit from other refrigerant line 02 Connection of indoor unit from other refrigerant line Connection to other refrigerant line found during automatic address setting Indoor unit from other refrigerant line is detected while indoor automatic address setting is in progress Outdoor outdoor communication transmission error Signal cannot be transmitted to other outdoor units Duplicated follower outdoor address There is duplication in outdoor addresses set manually Address of outdoor unit from which signal is not received normally Dropping out of outdoor unit Follower outdoor unit initially communicating normally fails to do So reduction in number of follower outdoor units connected Detected outdoor unit No Circle Faulty IPDU Outdoor follower unit error IPDU communication error Outdoor header unit detects
134. ing startup of compressor Check connector connection and wiring on A3 IPDU P C board Check for defect in compressor layer short circuit Check for defect in outdoor P C board A3 IPDU Compressor 1 side Compressor 2 side Compressor 3 side Compressor position detection circuit error All stop Position detection is not going on normally Check wiring and connector connection Check for compressor layer short circuit Check for defect in A3 IPDU P C board Indoor unit Other indoor error group follower unit error Stop of corresponding unit 59 There is error in other indoor unit in group resulting in detection of E07 L07 L03 Los Check indoor P C board Errors detected by TCC LINK central control device Check code Main remote controller Outdoor 7 segment display Sub code Location of detection TCC LINK Description TCC LINK central control device transmission error TCC LINK central control device reception error System status Continued operation Continued operation Indoor unit including Hot Water Module Error detection condition s Central control device is unable to transmit signal Central control device is unable to receive signal Check items locations Check for defect in central control device Check for defect in central control communicat
135. ion and contact a qualified service person Take steps to ensure that the power will not be turned on by marking out of service near the circuit breaker for instance until qualified service person arrives Continuing to use the hot water module in the trouble status may cause mechanical problems to escalate or result in electric shocks or other failure Electric shock hazard When you access inside of the electrical parts box cover to repair electric parts wait for about five minutes after turning off the breaker Do not start repairing immediately Otherwise you may get electric shock by touching terminals of high voltage capacitors Natural discharge of the capacitor takes about five minutes Prohibition Place a Work in progress sign near the circuit breaker while the installation maintenance repair or removal work is being carried out There is a danger of electric shocks if the circuit breaker is set to ON by mistake Before operating the hot water module after having completed the work check that the electrical parts box cover of the hot water module and service panel of the outdoor unit are closed and set the circuit breaker to the ON position You may receive an electric shock if the power is turned on without first conducting these checks Stay on protection If in the course of carrying out repairs it becomes absolutely necessary to check out the electrical parts with the electrical parts box cov
136. ion is activated Check connection of fan connector and wiring Check for defect in fan motor Check for defect in indoor P C board Check impact of outside air treatment OA Outdoor liquid backflow detection error All stop lt During cooling operation gt When system is in cooling operation high pressure is detected in follower unit that has been turned off lt During heating operation gt When system is in heating operation outdoor PMV 1 or 2 continuously registers opening of 100p or less while under SH control Check full close operation of outdoor PMV 1 2 4 Check for defect in Pd or Ps sensor Check gas balancing circuit SV2 for clogging Check balance pipe e Check circuit for clogging Check defect in outdoor P C board I F Check capillary of oil separator oil return circuit for clogging Check for leakage of check valve in discharge pipe convergent section 01 TS condition Gas leakdetection TS1 condition All stop Protective shutdown due to sustained suction temperature at or above judgment criterion for at least 10 minutes is repeated four times or more lt TS error judgment criterion gt In cooling operation 60 In heating operation 40 C Check for insufficiency in refrigerant quantity Check outdoor service valves gas side liquid side to confirm full opening Check 5 PMV
137. ion line Check termination resistance setting Check for defect in central control device Check for defect in central control communication line Check termination resistance setting Check power supply for devices at other end of central control communication line Check defect in P C boards of devices at other end of central control communication line General purpose device VF Blanket alarm for general purpose device control interface Continued operation Error signal is input to control interface for general purpose devices Check error input Differs according to nature of alarm causing error TCC LINK Group control follower unit error Continued operation Error occurs in follower unit under group control P30 is displayed on central control remote controller Check check code of unit that has generated alarm L20 displayed Duplicated central control address Continued operation 60 There is duplication in central control addresses Check address settings 8 5 Sensor characteristics Indoor unit Temperature sensor characteristics 1 200 20 20 999 O 558 150 16 Resistance 10 C or below Resistance kQ 10 C or below 100 10 50 5 0 30 20 10 0 10 20 30 40 50 60 70 80 90 100 Temperature TA TWI TF TCJ2 TCJ and TC2 TWO s
138. ion selection command issued via the remote controller Control outline Hot water module shutdown Heating operation Remote controller command STOP HEAT Ts Temperature setting TA Water inlet temperature Water outlet temperature control Adjustment range remote controller temperature setting C HEAT 25 50 Wired type Water temperature control After heating start water temperature is controled the follwing tasks Themal OFF with the following conditions 1 zone continued for 10 minutes 2 The zone become J zone 3 When TS TA 4 When state gt 45 C continued for 1 minute or state TA gt 44 C and TC2 gt 46 C continued for 1 minute Themal ON f TC2 Water outlet temperature Ts Temperature setting TA Water inlet temperature Item Specification Remarks Heater control 1 While the heating themal ON the heater relay is output by difference between Ts and TA and difference between Ts and TC2 Ts and TG Start condition A and B as shown on the right Table 1 or Table 2 Release condition A or B as shown on the right Table 1 or Table 2 Table 1 Heater ON Heater OFF 2 In case of Ts gt 45 C the heater relay is output as shown below by the difference between Ts and TC2 Ts TC2 Ts 246 C Heater ON Heater OFF Ts Temperature setting TC2 Water outlet temperature
139. it Inverter P C board Indoor unit including Hot Water Module Typical fault site Description of error A01 Detected indoor nuit No Flow switch operation error When water flow rate is reduced A02 Detected indoor nuit No Water temperature decrease error Water temperature continued the low status regardless of that the heater pump is operating A04 Detected indoor nuit No Activation of water heat exchanger frost protection Frost protection for water heat exchanger is activated E03 Indoor remote controller periodic communication error Communication from remote controller or network adaptor has been lost so has central control communication E04 Indoor outdoor periodic communication error Signals are not being received from outdoor unit E08 Duplicated indoor address Duplicated indoor address Indoor unit detects address identical to its own E10 Indoor inter MCU communication error MCU communication between main controller and motor microcontroller is faulty Error in periodic communication between indoor header and follower unit Periodic communication between indoor header and follower units cannot be maintained Indoor heat exchanger temperature sensor TCJ error Heat exchanger temperature sensor TCJ has been open shortcircuited Indoor heat exchanger temperature sensor TC1 error Heat exchanger temperature sensor TC1 ha
140. it exists on the line Push amp button and select another line following step 2 Execute it while the units are stopped 1 Push and hold the TIME buttons at the same time for more than 4 seconds At first the line 1 and CODE No Address Change are indicated on the LCD display SWING FIX 2 Push left side of the button and buttons repeatedly to select a system address Push the amp button The address of one of the indoor units connected to the selected refrigerant line is indicated on the LCD display and the fan and louvers of the unit are activated At first the current indoor unit address is displayed in SET DATA No system address is indicated 00 4 7 8 TIMER SET ea fc FILTER RESET TEST SET CL SWING FIX UNIT LOUVER Finish 5 7 5 Press to finish setting Push the TIME buttons repeatedly to change the value of the indoor unit address SET DATA Change the value in SET DATA to that of a new address SET Push the button to confirm the new address on SET DATA UNIT LOUVER Push the gt button left side of the button repeatedly to select another address to change Each time you push the button the indoor unit numbers in a refrigerant line are indicated one after another Only the fan and louvers of the selected indoor unit are activated Repeat steps 4 to 6 to change the indoor unit addresses so as to make each of them u
141. its are running 1 Push the 22 button if the units stop 2 Push the button left side of the button A unit numbers 17 is indicated on the LCD it will disappear after a few seconds The indicated number shows the system address and indoor unit address of the unit When 2 or more indoor units are connected to the remote controller group controlled units a number of other connected units appears each time you push the 2 button left side of the button NOTE The LED on the P C board of the selected hot water module flashes The hot water module for change settings can be confirmed 25 To find an indoor unit s position from its address When checking unit numbers controlled as a group 3 1 Execute it while the units are stopped The indoor unit numbers in a group are indicated one after another The fan and louvers of the indicated units are activated 1 Push and hold the C amp 5 and amp buttons at the same time for more than 4 seconds HLL appears on UNIT No on the LCD display The fans and louvers of all the indoor units in the group are activated 2 Push the 9 button left side of the button Each time you push the button the indoor unit numbers are indicated one after another The first indicated unit number is the address of the header unit Only the fan and louvers of the indicated indoor unit are activated 3 Push the button to finish the procedure All t
142. ity or combustibility of ammonia and is not restricted by laws to be imposed which protect the ozone layer However since it contains more than air it poses the risk of suffocation if its concentration should rise excessively Suffocation from leakage of R410A is almost non existent With the recent increase in the number of high concentration buildings however the installation of multi air conditioner systems is on the increase because of the need for effective use of floor space individual control energy conservation by curtailing heat and carrying power etc Most importantly the multi air conditioner system is able to replenish a large amount of refrigerant compared with conventional individual air conditioners If a single unit of the multi conditioner system is to be installed in a small room select a suitable model and installation procedure so that if the refrigerant accidentally leaks out its concentration does not reach the limit and in the event of an emergency measures can be made before injury can occur In a room where the concentration may exceed the limit create an opening with adjacent rooms or install mechanical ventilation combined with a gas leak detection device The concentration is as given below Total amount of refrigerant kg Min volume of the indoor unit installed room m3 Concentration limit kg m The concentration limit of R410A which is used in multi air conditioners is 0 3 kg m NOTE 1
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146. ker to the OFF position and contact a qualified service person to have the repairs done Do not set the circuit breaker to the ON position until the repairs are completed Relocation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the hot water module It is dangerous for the hot water module to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc 1 Refer to the Definition of Qualified Installer or Qualified Service Person o 1 SUMMARIES OF PRODUCT CHARACTERISTICS CONCEPT To design and produce a low temperature hot water module capable of producing up to 50 C outlet water temperature whilst maximizing the performance and efficiency of the entire VRF system To be used in both space heating and domestic hot water applications Typical applications include Hotel Office and residential apartment suits To create a single solution for our customers heating cooling and domestic hot water requirements Toshiba SMMS i Ho
147. laced Work procedure Remarks Sensor TF TCJ2 and TA TWI 1 Detachment 1 Carry out the detachment of item Front panel 2 Remove connectors which are connected from the control P C board to the other parts and then remove wiring from the clamp CN102 TCJ Red 2P CN103 TF TCJ2 Green 2P CN104 TA TWI Yellow 2P 2 Attachment 1 Carry out installation by following the detachment procedure in reverse NOTE Be careful in the insertion direction about attaching the sensor as shown below Let TCJ TA TWI and TF TCJ2 wiring pass through the letf side clamps Refer to item 4 Electrical control box TF TCJ2 color Gray Sensor TC1 and TC2 TWO 1 Detachment 1 Carry out the detachment of item 4 Electrical control box 2 Remove connectors which are connected from the control P C board to the other parts and then remove wiring from the clamp CN101 TC2 TWO Black 2P CN100 TC1 Brown 2 Attachment 1 Carry out installation by following the detachment procedure in reverse NOTE Be careful in the insertion direction about attaching the sensor as shown below Let TC1 and TC2 TWO wiring pass through the right side clamps Refer to item 2 Electrical control box TC2 TWO and TC1 Insertion drection gt Tube color Blue TC2 TWO Tube color Black 74 11 EXPLODED DIAGRAM SERVICE PART
148. liquid side from 33 to 42 Nem and the gas side is from 63 to 77 N m After the heat exchanger assembly is replaced open the water supply source valve and water piping valve to pass water through the unit and check that the flow switch connection has no water leakage Carry out the work of air ventilation in water circuit Cabinet 1 Detachment 1 Carry out the detachment of item C Heat exchanger assembly 2 Remove the screws for the cabinet and then remove the attachment plate as shown below 4x10 4pcs Right side WT Attachment plate 3 Remove the screws for the cabinet tilt the cabinet and then lift the cabinet upward as shown below 4x10 4pcs Right side Left side 2 Attachment 1 Carry out installation by following the detachment procedure in reverse Left side Drain pan 1 Detachment 1 Remove the drain pipe 2 Carry out the detachment of item Cabinet 3 Remove the screws for the drain pan 4x10 4pcs N CAUTION Be careful of using the different screw as shown below 2 Attachment 1 Carry out installation by following the detachment procedure in reverse 72 The screws fixing the drain pan are with serration These screws are different from other one Part to be replaced Work procedure Remarks Base and legs 1 Detachment 1 Carry out the detachment of item Drain pan 2 Remove the screws for the legs 5x
149. me outdoor unit the hot water module is in the waiting status usually while the indoor unit works in cooling mode Could it just be out of the water temperature using range Hot water module is not possible to operat when water temperatue above 60 C An outdoor fan would not start or would change speed for no reason Could it just be defrosting operation A pump would not stop Could it just be defrosting or under oil refrigerant recovery control The air conditioner would not respond to a start stop command from a remote controller Could it just be the hot water module operation under external controller The water temperature dose not increase 2 Troubleshooting procedure Could it just be the water flow rate is out of using range Using renge of hot water module is rated 15 When a fault occurs proceed with troubleshooting in accordance with the procedure shown below E28 error Investigate check code displayed on interface P C board of header unit Investigate check code displayed on interface P C board of relevant follower unit Check fault site or faulty part Any other fault NOTE Rather than a genuine fault see the List of Check Codes below the problem could have been caused by a microprocessor malfunction attributable to a poor quality of the power source or an external noise Check for possible noise sources and shield the remote controller wiring an
150. mmunication between indoor header and follower units cannot be maintained Check remote controller wiring Check indoor power supply wiring Check P C boards of indoor units 00 No header unit 02 Two or more header units Error in number of outdoor header units All stop There is more than one outdoor header unit in one line There is no outdoor header unit in one line Outdoor header unit is outdoor unit to which indoor outdoor tie cable U1 U2 is connected Check connection of indoor outdoor communication line Check for defect in outdoor P C board I F 01 Connection of outdoor unit from other line 02 Connection of indoor unit from other line Connection to other line found during automatic address setting All stop Equipment from other line is found to have been connected when indoor automatic address setting is in progress Disconnect inter line tie cable in accordance with automatic address setting method explained in Address setting section Outdooroutdoor communication transmission error All stop Signal cannot be transmitted to other outdoor units for at least 30 seconds continuously When the indoor unit connection capacity is calculated APOO5 is calculated as 0 8 HP AT Check power supply to outdoor units Is power turned on Check connection of tie cables between out
151. mount When recharging the refrigerant in the refrigerating cycle do not mix the refrigerant or air other than R410A into the specified refrigerant If air or others is mixed with the refrigerant abnormal high pressure generates in the refrigerating cycle resulted in cause of injury due to breakage After installation work check the refrigerant gas does not leak If the refrigerant gas leaks in the room poisonous gas generates when gas touches to fire such as fan heater stove or cocking stove though the refrigerant gas itself is innocuous Never recover the refrigerant into the outdoor unit When the equipment is moved or repaired be sure to recover the refrigerant with recovering device The refrigerant cannot be recovered in the outdoor unit otherwise a serious accident such as breakage or injury is caused Assembly Wiring After repair work surely assemble the disassembled parts and connect and lead the removed wires as before Perform the work so that the cabinet or panel does not catch the inner wires If incorrect assembly or incorrect wire connection was done a disaster such as a leak or fire is caused at user fs side Insulator check After the work has finished be sure to use an insulation tester set 500 V Megger to check the resistance is 1 MQ or more between the charge section and the non charge metal section Earth position If the resistance value is low a disaster such as a leak or electric shock
152. n Manual If an incorrect installation is done a trouble of the refrigerating cycle water leak electric shock or fire is caused Check after repair Once the repair work has been completed check for refrigerant leaks and check the insulation resistance and water drainage Then perform a trial run to check that the hot water module is running properly After repair work has finished check there is no trouble If check is not executed a fire electric shock or injury may be caused For a check turn off the power breaker After repair work installation of front panel and cabinet has finished execute a test run to check there is no generation of smoke or abnormal sound If check is not executed a fire or an electric shock is caused Before test run install the front panel and cabinet Be sure to fix the screws back which have been removed for installation or other purposes Do not operate the unit with the valve closed Check the following matters before a test run after repairing piping Connect the pipes surely and there 15 no leak of refrigerant The valve is opened Running the compressor under condition that the valve closes causes an abnormal high pressure resulted in damage of the parts of the compressor and etc and moreover if there is leak of refrigerant at connecting section of pipes the air is sucked and causes further abnormal high pressure resulted in burst or injury Check after
153. ng and piping work involved in installation relocation and removal has the qualifications pertaining to this refrigerant handling and piping work as stipulated by the local laws and regulations and he or she is a person who has been trained in matters relating to refrigerant handling and piping work on the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified installer who is allowed to work at heights has been trained in matters relating to working at heights with the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work The qualified service person is a person who installs repairs maintains relocates and removes the air conditioners including the hot water modules made by Toshiba Carrier Corporation He or she has been trained to install repair maintain relocate and remove the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such operations by an individual or individuals who have been traine
154. nique SET Push the button All the segments on the LCD display light up TEST Push the button to finish the procedure NOTE The LED on the P C board of the selected hot water module flashes The hot water module for change settings can be confirmed 30 Error clearing function How to clear the error using the wired remote controller Clearing an error of the outdoor unit Clear the currently detected outdoor unit for each refrigerant line to which the indoor unit controlled by the remote controller is connected The indoor unit error is not cleared Use the service monitoring function of the remote controller TEST Push and hold the and amp for 4 seconds or longer to enter the service monitoring mode 1 2 Push the button to set CODE No to FF J The display in A of the following figure counts down as follows at 5 second intervals 0005 0004 0003 00002 000 o 0000 ruit The error is cleared when LiLILILI appears However the display counts down from 0005 again 4 Pushthe to return the display to normal Clearing an error of the indoor unit Push the button on the remote controller Only the error of the indoor unit controlled by the remote controller will be cleared NOTE The LED on the P C board of the selected hot water module flashes The hot
155. nit overflow Indoor unit has been shutdown in one refrigerant line due to detection of overflow detected by indoor unit Outdoor liquid backflow detection error State of refrigerant cycle circuit indicates liquid backflow operation 01 TS condition 02 TD condition Gas leak detection Outdoor discharge TD2 temperature error Outdoor suction temperature sensor TS1 detects sustained and repeated high temperatures that exceed standard value Outdoor discharge temperature sensor TD2 detects abnormally high temperature Outdoor discharge TD3 temperature error Outdoor discharge temperature sensor TD3 detects abnormally high temperature Outdoor unit No detected 4 way valve reversing error Abnormality in refrigerating cycle is detected during heating operation Activation of high pressure protection High pressure Pd sensor detects high pressure that exceeds standard value 01 Compressor 1 02 Compressor 2 03 Compressor 3 Error in temperature sensor built into indoor IGBT TH Temperature sensor built into indoor IGBT TH has been open short circuited 01 Compressor 1 02 Compressor 2 03 Compressor 3 Compressor 1 Compressor 2 Compressor 3 Compressor breakdown Compressor error lockup Inverter current Idc detection circuit detects overcurrent Compressor lockup is detected Compressor 1 Compressor 2 Compressor 3 Current detection
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157. o 3 WIRING DIAGRAM 20 7 3 Test operation of hot water module unit Check function for operation of hot water module Functions at hot water module side This function is provided to check the operation of the hot water module singly without communication with the remote controller or the outdoor unit This function can be used regardless of operation or stop of the system However if using this function for a long time a trouble of the equipment may be caused Limit using this function within several minutes How to operate 1 Short circuit CHK pin CN71 on the hot water module P C board The operation mode differs according to the hot water module status in that time Normal time Both float SW and fan motor are normal Abnormal time Either one of float SW or fan motor is abnormal 2 Restricted to the normal time if short circuiting DISP pin CN72 on the hot water module P C board in addition to short circuit of CHK pin CN71 on the hot water module P C board the minimum opening degree 30 pls can be set to the hot water module PMV only When open DISP pin the maximum opening degree 1500 pls can be obtained again How to clear Open CHK pin While the system is operating it stops once but automatically returns to operation after several minutes Short circuit of CHK pin Normal time DISP pin open DISP pin short circuit Fan motor H H Stop Abnormal time Hot water module PMV Max
158. odule No whose 6 7 service PC board was replaced ais operation is not available if the UNIT No shows The G3 5 button allows you to moved the CODE No DN code up down by one place First set the type and capacity codes of the hot water module Changing the type and capacity codes in EEPROM overwrites the factory default settings 1 Set the CODE No DN code to 0 no change 2 Use the G button to select the type 0060 is for the hot water module type See the CODE No list 8 Push the button The display should change from flashing to steady 4 Use the button to set the CODE No DN code to 1 f b Use the SD button to set the capacity code For example 0011 is for the 027 type See the CODE No list SET 6 Push the button The display should change from flashing to steady TEST 7 Push the amp button to bring the system back to normal off state Next write any setting changes made on site after installation such as address settings in the EEPROM Perform the tasks specified in step 1 again Use the 3355 button to set the CODE No DN code to 03 set central control address Check the value displayed with the value jotted down in Procedure 1 and information proved by the customer 1 If there is a discrepancy change the setting in accordance with the jotted down value and push the 65 button The display should change from flas
159. of the selected refrigerant line are indicated one after another Only the fan and louvers of the indicated indoor unit are activated To select another system address 5 Push the amp CL button to return to step 2 After returning to step 2 select another system address and check the indoor unit addresses of the line TEST 6 Push the button to finish the procedure NOTE The LED on the P C board of the selected hot water module flashes The hot water module for change settings can be confirmed Changing the indoor unit address using a remote controller To change an indoor unit address using a wired remote controller The method to change the address of an individual indoor unit the indoor unit is paired with a wired remote controller one to one or an indoor unit in a group The method is available when the addresses have already been set automatically Jn EID qu us in 10 00 e ts HONS OFF Execute it while the units are stopped 1 2 Oa AQ 7 8 SET cL Push and hold the and buttons at the same time for more than 4 seconds If 2 or more indoor units are controlled in a group the first indicated UNIT No is that of the head unit UNIT LOUVER Push the button left side of the button repeatedly to select an indoor unit number to change if 2 or more units are controlled in a group The fan and louvers of the selected
160. oil the hot water modules perform the following control tasks 1 Open the indoor PMV to a certain degree 2 Control the indoor fan according to the operation mode Indoor units operating in heating thermo ON OFF state Non operational hot water modules 3 Terminate the recovery operation depending on the TC2 temperature reading The timing of termination is determined by each indoor unit 17 Recovery operation normally takes place roughly every hour The opening position of the hot water module PMV depending on capacity of the hot water modules Item Specification Remarks Defrosting control While the outdoor unit is engaged in defrosting control thehot water modules perform the following control tasks 1 Close the hot water module PMV to a certain degree and open the SV valve As defrosting control comes to an end it gives way to heating refrigerant oil recovery control For control details see Heating refrigerant oil recovery control above For defrosting commencement conditions see 5 Control Outline 7 Defrosting control reverse defrosting method in SMMS i Outdoor Unit Service Manual A10 005 above Short intermittent operation compensation control 1 For 5 minutes after startup the system is forced to continue operating even if it reaches the thermo OFF region 2 However priority is given to cooling heating selection operation standby and pro
161. opening degree 1500 pls Min opening degree 30 pls Min opening degree 30 pls Communication All ignored All ignored All ignored P C board LED Lights Lights Flashes To exchange the hot water module PMV coil set the hot water module PMV to Max opening degree For the detailed positions of CHK pin CN71 on hot water module P C board and DISP pin CN72 on hot water module board refer to the hot water module P C board MCC 1403 7 4 Method to set hot water module function DN code When performing this task be sure to use a wired remote controller lt Procedure gt To be performed only when system at rest SET CL 1 Pushthe amp 65 6 buttons simultaneously and hold for at least 4 seconds The unit No displayed first is the address of the header indoor unit including Hot Water Module in group control 2 Each time the Select unit side of the 7 button is pushed one of the indoor unit including Hot Water Module No under group control is displayed in turn VENT TIMER SET FAN MODE s ctt CB 3 Use the button to select the CODE No DN code of the desired function Use the button to select the desired DATA associated with the selected function SET 5 Push the button The display changes from flashing to steady To change the selected hot water module go back to step 2
162. or defect in outdoor P C board I F All stop Sensor resistance is infinity Check connection of TKS or zero open short circuit sensor connector Check resistance characteristics of TK5 sensor Check for defect in outdoor P C board I F Compressor 2 All stop Compressor 2 case thermo Check Compressor 2 case case thermo was activated thermo circuit activation Connector Wiring Circuit board Open and check the service valve Gas side Liquid side Check the outdoor PMV clogging H14 H14 PMV1 2 Check the SV42 circuit Check the SV4 circuit SV41 42 miswiring Check the opening status of indoor PMV Check the four way valve error Check the refrigerant shortage VF TD2 sensor All stop Air discharge temperature of Check installation of TD2 miswiring TD2 does not increase sensor incomplete despite compressor 2 being Check connection of TD2 insertion in operation sensor connector and H15 H15 WIDE Check resistance characteristics of TD2 sensor Check for defect in outdoor P C board I F 52 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations SMMS i 4 series 01 TK1 oil circuit error TK2 oil ci
163. ot water module do not take hold of the bands around the packing carton You may injure yourself if the bands should break Be sure that a heavy unit 10 kg or heavier such as a compressor is carried by two persons Check earth wires Before troubleshooting or repair work check the earth wire is connected to the earth terminals of the hot water module otherwise an electric shock is caused when a leak occurs If the earth wire is not correctly connected contact an electric engineer for rework After completing the repair or relocation work check that the ground wires are connected properly Be sure to connect earth wire Grounding work Incomplete grounding causes an electric shock Do not connect ground wires to gas pipes water pipes and lightning rods or ground wires for telephone wires Prohibition of modification Do not modify the products Do not also disassemble or modify the parts It may cause a fire electric shock or injury Use specified parts When any of the electrical parts are to be replaced ensure that the replacement parts satisfy the specifications given in the Service Manual or use the parts contained on the parts list in the Service Manual Use of any parts which do not satisfy the required specifications may give rise to electric shocks smoking and or a fire Do not bring a child close to the equipment If in the course of carrying out repairs it becomes absolutely necessary
164. ote controller Check codes are only displayed while the air 4 9 medi n 4n conditioner is in operation m UNIT No R C If the display has already disappeared access Tz MM LZ LOO error history by following the procedure described below 2 Error history The error history access procedure is described below up to four errors stored in memory Error history can be accessed regardless of whether the air conditioner is in operation or shut down 1 2 3 TEST SET Push the 2 buttons simultaneously and hold for at least 4 seconds The letters SERVICE CHECK light up and the check code Q is displayed When a group No is selected blinking if there is an error history the UNIT No and the latest error history information are displayed alternately During this procedure the temperature setting feature is unavailable Display of Unit No Display of check code UNTNO E 3 9 Alternate blinking R C No 3 l c3 TEMP To check other error history items push the button to select another check code 0 04 To check check code relating to another group push ZONE and GROUP lt gt buttons to select a group No Do not push the button as it would erase the whole error history of the selected group TEST To finish off the service check push the amp button 45 8 4 Check codes displayed on remote
165. r follower unit error IPDU communication error All stop All stop Outdoor header unit receives error code from outdoor follower unit Communication is disrupted between IPDUs P C boards in inverter box Check check code displayed on outdoor follower unit lt Convenient functions gt If SW04 is pressed and held for at least 1 second while E28 is displayed on the 7 segmentdisplay of outdoor header unit the fan of the outdoor unit that has been shut down due to an error comes on If SW04 and SWO5 are pressed simultaneously the fans of normal outdoor units come on To stop the fan or fans press SWO5 on its own Check wiring and connectors involved in communication between IPDU I F P C board for bad contact or broken wire Check for defect in outdoor P C board I F A3 IPDU or Fan IPDU Check for external noise Indoor TCJ sensor error Stop of corresponding unit Sensor resistance is infinity or zero open short circuit Check connection of TCJ sensor connector and wiring Check resistance characteristics of TCJ sensor Check for defect in indoor P C board Indoor TC2 sensor error Stop of corresponding unit 48 Sensor resistance is infinity or zero open short circuit Check connection of TC2 sensor connector and wiring Check resistance characteristics of TC2 sensor Check for defect in
166. rcuit error TK3 oil circuit error TK4 oil circuit error TKS oil circuit error 02 03 04 05 Oil level detection circuit error 53 No temperature change is detected by TK1 despite compressor 1 having been started Check for disconnection of TK1 sensor Check resistance characteristics of TK1 sensor Check for connection error involving TK1 TK2 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature change is detected by TK2 despite compressor 2 having been started Check for disconnection of TK2 sensor Check resistance characteristics of TK2 sensor Check for connection error involving TK1 TK2 and TK5 sensors Check for faulty operation in SV3E or SV3F valve Check for clogging in oil equalizing circuit capillary and faulty operation in check valve Check for refrigerant entrapment inside compressor No temperature change is detected by TK3 despite compressor 3 having been started Check for disconnection of TK3 sensor Check resistance characteristics of TK3 sensor Check for connection error involving TK1 TK2 TK3 TK4 and TK5 sensors Check for faulty operation in SV3E or SV3F valve C
167. re proceeding with the repair work wear the kind of insulated heat resistant gloves designed to protect electricians Take care not to get burned by compressor pipes or other parts when checking the cooling cycle while running the unit as they get heated while running Be sure to put on gloves providing protection for electric shock and heat When the service panel of the outdoor unit is to be opened in order for the fan motor reactor inverter or the areas around these parts to be repaired immediately after the hot water module has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the fan motor reactor inverter heat sink and other parts will be very hot to the touch In addition before proceeding with the repair work wear the kind of insulated heat resistant gloves designed to protect electricians Installation Only a qualified installer 1 or qualified service person 1 is allowed to install the hot water module If the hot water module is installed by an unqualified individual a fire electric shocks injury water leakage noise and or vibration may result Before starting to install the hot water module read carefully through the Installation Manual and follow its instructions to install the hot water module Be sure to use the company specified prod
168. re sensor for oil level detection TK1 5 despite compressor having been started Outdoor discharge temperature sensor wiring error Wiring installation error or detachment of outdoor discharge temperature sensor TD3 has been detected Outdoor unit combination error Check the soft ware version on the I F PC board of the outdoor unit Duplicated outdoor refrigerant line address Identical refrigerant line address has been assigned to outdoor units belonging to different refrigerant piping systems Number of priority indoor units check code 105 LO6 depending on individual unit Duplicated priority indoor unit as displayed on priority indoor unit More than one indoor unit has been set up as priority indoor unit Duplicated priority indoor unit as displayed on indoor unit other than priority indoor unit More than one indoor unit has been set up as priority indoor unit SIM Indoor group address not set Address setting has not been performed for one or more indoor units also detected at indoor end Outdoor capacity not set Outdoor unit capacity has not been set after P C board replacement Outdoor model incompatibility error Old model outdoor unit prior to 3 series has been connected FS Flow Selector unit error Cooling heating cycle error resulting from piping error is detected Too many outdoor units connected More than four outdoor units hav
169. refrigerant the refrigerant name is indicated at a position on the outdoor unit where is easy to see To prevent miss charging the route of the service port is changed from one of the former R22 For an hot water module which uses R410A never use other refrigerant than R410A For an hot water module which uses other refrigerant R22 etc never use R410A If different types of refrigerant are mixed abnormal high pressure generates in the refrigerating cycle and an injury due to breakage may be caused When the hot water module has been installed or relocated follow the instructions in the Installation Manual and purge the air completely so that no gases other than the refrigerant will be mixed in the refrigerating cycle Failure to purge the air completely may cause the hot water module to malfunction Do not charge refrigerant additionally If charging refrigerant additionally when refrigerant gas leaks the refrigerant composition in the refrigerating cycle changes resulted in change of hot water module characteristics or refrigerant over the specified standard amount is charged and an abnormal high pressure is applied to the inside of the refrigerating cycle resulted in cause of breakage or injury Therefore if the refrigerant gas leaks recover the refrigerant in the hot water module execute vacuuming and then newly recharge the specified amount of liquid refrigerant In this time never charge the refrigerant over the specified a
170. reinstallation Only a qualified installer 1 or qualified service person 1 is allowed to relocate the hot water module It is dangerous for the hot water module to be relocated by an unqualified individual since a fire electric shocks injury water leakage noise and or vibration may result Check the following items after reinstallation 1 The earth wire is correctly connected 2 The power cord is not caught in the product 3 There is no inclination or unsteadiness and the installation is stable If check is not executed a fire an electric shock or an injury is caused When carrying out the pump down work shut down the compressor before disconnecting the refrigerant pipe Disconnecting the refrigerant pipe with the service valve left open and the compressor still operating will cause air etc to be sucked in raising the pressure inside the refrigeration cycle to an abnormally high level and possibly resulting in reputing injury etc Cooling check When the service panel of the outdoor unit is to be opened in order for the compressor or the area around this part to be repaired immediately after the hot water module has been shut down set the circuit breaker to the OFF position and then wait at least 10 minutes before opening the service panel If you fail to heed this warning you will run the risk of burning yourself because the compressor pipes and other parts will be very hot to the touch In addition befo
171. rted while automatic address setting for indoor units is in progress Perform automatic address setting again after disconnecting communication cable to that refrigerant line Indoor unit not found during automatic address setting All stop Indoor unit cannot be detected after indoor automatic address setting is started Check connection of indoor outdoor communication line Check for error in indoor power supply system Check for noise from other devices Check for power failure Check for defect in indoor P C board 00 Overloading 01 of units connected Too many indoor units connected All stop Combined capacity of indoor units exceeds 135 of combined capacity of outdoor units Note If this code comes up after backup setting for outdoor unit failure is performed perform No overloading detected setting lt No overloading detected setting method gt Turn on SWO9 Bit 2 on I F P C board of outdoor header unit More than 48 indoor units are connected Check capacities of indoor units connected Check combined HP capacities of indoor units Check HP capacity settings of outdoor units Check No of indoor units connected Check for defect in outdoor P C board I F Indoor unit Error in communication between indoor header and follower units Stop of corresponding unit Periodic co
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173. s been open shortcircuited Indoor heat exchanger temperature sensor TF error Heat exchanger temperature sensor TF has been open shortcircuited Indoor heat exchanger temperature sensor TA error Heat exchanger temperature sensor TA has been open shortcircuited Indoor heat exchanger temperature sensor TC2 error Heat exchanger temperature sensor TC2 has been open shortcircuited P C board or other indoor error Indoor EEPROM is abnormal some other error may be detected Duplicated indoor group header unit There is more than one header unit in group Connection of group control cable to stand alone indoor unit There is at least one stand alone indoor unit to which group control cable is connected Indoor group address not set Indoor capacity not set Address setting has not been performed for one or more indoor units also detected at outdoor unit end Capacity setting has not been performed for indoor unit Duplicated central control address There is duplication in central control address setting Detected indoor unit No Indoor external error input interlock Unit shutdown has been caused by external error input CN80 Other indoor unit error 38 Follower unit cannot be operated due to header unit alarm E03 103 LO7 108 Error detected by main remote controller Check code Main remote controller
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175. ssor 3 being in operation Check items locations Check installation of TD3 sensor Check connection of TD3 sensor connector and wiring Check resistance characteristics of TD3 sensor Check for defect in outdoor P C board I F Outdoor unit model mismatch error Only the target unit stopped An error was found on the outdoor unit model Check the model name of the outdoor unit Check the miswiring of the communication line between indoor and outdoor Duplicated indoor header unit Stop of corresponding unit There is more than one header unit in group Check indoor addresses Check for any change made to remote controller connection group individual since indoor address setting Duplicated outdoor line address All stop There is duplication in line address setting for outdoor units belonging to different refrigerant piping systems Check line addresses Duplicated priority indoor unit as displayed on priority indoor unit All stop More than one indoor unit has been set up as priority indoor unit Check display on priority indoor unit No of priority indoor units Duplicated priority indoor unit as displayed on indoor unit other than priority indoor unit All stop More than one indoor unit have been set up as priority indoor unit Check displays on priority indoor unit and outdoor unit
176. t Water Module CHARACTER New Design specifically engineered for VRF application Operating Control designed specifically to maximize both performance and efficiency Capacity line up 8kW amp 16kW All models come in single phase 220 240V 50Hz Maximum 50 Hot Water Module to CDU diversity Max 2 Hot Water Module s per refrigerant system Maximum system diversity 65 115 including Hot Water Module Outdoor operation range 20 C WB 19 C WB Domestic Hot Water Installation Example Typical Installations examples include Office use where there is a requirement for DHW such as small canteen or Rest Apartment block where there is a requirement DHW such as kitchen Shower and Hotel use where there is an auxiliary requirement for DHW the purpose of cleaning and sanitary operations Small Businesses for example coffee shops hairdressers etc where there is a requirement for a single heating solution Space Heating Installation Example Typical Installations examples include Office use where there is a requirement for space heating via fan coils or AHU s Apartment where there is a requirement for space heating via under floor heating Hotel use where there 15 an auxiliary requirement for space heating a combination of fan coils AHU or under floor heating circuits Small Businesses for example coffee shops hairdressers etc
177. t heights with the air conditioners including the hot water modules made by Toshiba Carrier Corporation or alternatively he or she has been instructed in such matters by an individual or individuals who have been trained and is thus thoroughly acquainted with the knowledge related to this work Qualified service person Definition of Protective Gear When the air conditioner is to be transported installed maintained repaired or removed wear protective gloves and safety work clothing In addition to such normal protective gear wear the protective gear described below when undertaking the special work detailed in the table below Failure to wear the proper protective gear is dangerous because you will be more susceptible to injury burns electric shocks and other injuries Work undertaken Protective gear worn Protective gloves AIl types of work Safety working clothing Gloves to provide protection for electricians and from heat Electrical related work Insulating shoes Clothing to provide protection from electric shock Work done at heights 50 cm or more Helmets for use in industry Transportation of heavy objects Shoes with additional protective toe cap Repair of outdoor unit Gloves to provide protection for electricians and from heat The important contents concerned to the safety are described on the product itself and on this Service Manual Please read this Service Manual after
178. tection circuit Position detection is not going on normally Check fan motor Check connection of fan motor connector Check for defect in fan IPDU P C board All stop Sub code Gusty wind an obstruction or another external factor Speed estimation is not going on normally Check fan motor Check for defect in fan IPDU P C board All stop Sub code 4 Fan IPDU over current protection circuit Flow of current equal to or greater than the specified value is detected during operation of the fan Check fan motor Check connection of fan motor connector Check for defect in fan IPDU P C board All stop Sub code Cx Higher temperature than the specified value is detected during operation of the fan Check fan motor Check for defect in fan IPDU P C board All stop Sub code The resistance value of the sensor is infinite or zero open or short circuit Check for defect in fan IPDU P C board All stop Sub code Ex Fan IPDU DC voltage protection circuit The DC voltage higher or lower than the specified value is detected Check power voltage of the main power supply Check for defect in fan IPDU P C board Check connection of fan IPDU P C board Compressor 1 side Compressor 2 side Compressor 3 side G TR short circuit protection error All stop Overcurrent is momentarily detected dur
179. tective control so that there is no overriding of thermo OFF in these cases Operation standby Heating standby lt Operation standby gt Displayed on remote controller 1 When any of the DN codes listed below is displayed e Detection of an open phase in the power supply wiring e P10 Detection of indoor flooding in at least one indoor unit with the exception of the hot water module e L30 Detection of an interlock alarm in at least one indoor unit 2 The system is engaged in a heat refrigerant oil recovery operation Heating standby 1 Normal thermo OFF During heating the indoor unit goes thermo OFF as the heating temperature setting is reached Forced thermo OFF HEAT operation is unavailable because at least one indoor unit is operating in COOL DRY mode Displayed on remote controller OPERATION STANDBY displayed HEATING STANDBY amp displayed Selection of central control mode The range of operations that can be performed via an indoor unit remote controller can be determined through the setting of the central controller Setting details TCC Link central control Operation via RBC AMT32E Operation Operation via RBC AMT32E via TCC Operation Air flow AMT32E Link central Start stop Timer Temperature Fan speed x control selection ed art setting setting setting pe ection display Accessible Inaccessible 8
180. tion discharge air flows Check SV2 circuit for clogging Check for defect in outdoor P C board I F Check for defect in indoor fan system possible cause of air flow reduction Check opening status of indoor PMV Check indoor outdoor communication line for wiring error Check for faulty operation of check valve in discharge pipe convergent section Check gas balancing SV4 valve circuit Check SV5 valve circuit Check for refrigerant overcharging 58 Check code Main remote controller Outdoor 7 segment display Check code Sub code Location of detection Description System status Indoor unit including Hot Water Module Error detection condition s Check items locations 4 IGBT circuit 1 Position detection circuit error 3 Motor lockup error 4x Motor current detection Cx TH sensor temperature error Dx TH sensor error Inverter DC voltage error outdoor fan Note Although letters 0 to F appear at locations indicated by x please ignore them IPDU Outdoor fan IPDU error All stop Sub code Fan IPDU over current protection circuit Flow of current equal to or greater than the specified value is detected during startup of the fan Check fan motor Check for defect in fan IPDU P C board All stop Sub code 1 Fan IPDU position de
181. to check out the electrical parts with the electrical parts box cover of one or more of the hot water module and the service panel of the outdoor unit removed in order to find out exactly where the trouble lies put a sign in place so that no one will approach the work location before proceeding with the work Third party individuals may enter the work site and receive electric shocks if this warning is not heeded Insulating measures Connect the cut off lead wires with crimp contact etc put the closed end side upward and then apply a watercut method otherwise a leak or production of fire is caused at the users f side When performing repairs using a gas burner replace the refrigerant with nitrogen gas because the oil that coats the pipes may otherwise burn When repairing the refrigerating cycle take the following measures 1 Be attentive to fire around the cycle When using a gas stove etc be sure to put out fire before work otherwise the oil mixed with refrigerant gas may catch fire 2 Do not use a welder in the closed room When using it without ventilation carbon monoxide poisoning may be caused 3 Do not bring inflammables close to the refrigerant cycle otherwise fire of the welder may catch the inflammables Refrigerant The refrigerant used by this hot water module is the R410A Check the used refrigerant name and use tools and materials of the parts which match with it For the products which use R410A
182. ture C 25 35 5 35 High pressure MPa 2 0 3 3 2 5 3 3 Pressure Low pressure MPa 0 5 0 9 0 5 0 7 Criteria after 15 minutes or more has passed since operating started 3 On rotations of outdoor fans Outdoor fans may rotate slowly to control pressure when cooling with low outer air temperature or heating with excessive load For control content also refer to items in Section 5 Control Outline Outdoor Unit Outdoor Fan Control 36 8 TROUBLESHOOTING 8 1 Overview 1 Before engaging in troubleshooting a Applicable models Super Module Multi SMMS i models Indoor units MMW APOOO Outdoor units MMY MAPOOOO b Tools and measuring devices required Screwdrivers Philips flat head spanners long nose pliers nipper pin to push reset switch etc Multimeter thermometer pressure gauge etc c Things to check prior to troubleshooting behaviors listed below are normal Behavior Possible cause A compressor would not start Could it just be the 3 minute delay period 3 minutes after compressor shutdown Could it just be the hot water module having gone thermo OFF 2 Could it just be the hot water module put on the timer 2 Could it just be the system going through initial communication 2 A pump would not start Could it just be the outdoor unit under cooling operation 2 As the priority is usually given to operation of the indoor unit connected to the sa
183. ucts for the separately purchased parts Use of non specified products may result in fire electric shock water leakage or other failure Have the installation performed by a qualified installer Do not supply power from the power terminal block equipped on the outdoor unit to another outdoor unit Capacity overflow may occur on the terminal block and may result in fire Do not install the hot water module in a location that may be subject to a risk of expire to a combustible gas If a combustible gas leaks and becomes concentrated around the unit a fire may occur Install a circuit breaker that meets the specifications in the installation manual and the stipulations in the local regulations and laws Install the circuit breaker where it can be easily accessed by the qualified service person 1 If you install the unit in a small room take appropriate measures to prevent the refrigerant from exceeding the limit concentration even if it leaks Consult the dealer from whom you purchased the hot water module when you implement the measures Accumulation of highly concentrated refrigerant may cause an oxygen deficiency accident Do not place any combustion appliance in a place where it is directly exposed to the wind of hot water module otherwise it may cause imperfect combustion Explanations given to user If you have discovered that the fan grille is damaged do not approach the outdoor unit but set the circuit brea
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185. ure difference between water inlet and water outlet of the hot water module is 3 to 5 degrees it is normal Hot water module f demand from the indoor unit on the outdoor unit is low because the difference between the temperature Set by the remote controller and the temperature of the room or the difference between the temperature set by the remote controller and the water inlet temperature is small then the AT temperature difference is small Consider that AT temperature difference may diminish in cases of a system in which the connected indoor unit capacity exceeds the outdoor unit capacity the pipe length is long or a large difference exists among outdoor units Note 2 Criteria for operating power current The table below shows the maximum current for each outdoor unit Under standard conditions operating current is about 80 of the value shown in the table below Outdoor unit Current value Note 3 Criteria for cycle status 1 These data are based on operating a 4 way Air Discharge Cassette type air conditioner of 10096 connection with standard piping length Data may vary depending on temperature conditions installed pipe length and room shape combinations or indoor unit connection capacity For pressure criteria in different temperature conditions refer to 2 Pressure Pipe surface temperature Number of compressor rotations Air tompereture Outdoor MPa C rps DB WB
186. where there is a requirement for a single heating solution Connectable units VRF products The outdoor unit which is connectable to Hot Water Module is SMMS i e The system does not work when it connect to MiNi SMMS SMMS 5 6HP and SHRM i BMS units can not be connected with these units Remote controller RBC ATM32E TCB CC163TLE2 RBC AMS41E TCB SC642TLE2 TCB EXS21TLE 2 SPECIFICATION Model MMW AP0271LQ E MMW AP0561LQ E Heating capacity 1 8 0 16 0 Electical characteristics Power supply 2 1 phase 50Hz 2 30V 220 240V Running current 0 08 0 08 Power consumption 14 14 Appearance Dimention Weight Zinc hot dippi ng steel plate Depth Packed Hight 3 Unit Packed Design Pressure Refrigerant side 3 73 Water side 1 0 Heat exchanger Plate type heat exchanger Heat insulating material Polyethylene foam Polyurethane foam Water flow rate Standard 22 9 45 8 Min 19 5 38 9 Water pressure loss at standard water flow rate 40 5 44 2 Controller Remote controller Operation range Amibient indoor 5 32 Allowable dew point 23 or less 30 85 Outdoor at heating 20 19 Water inlet side 15 or more ai nd 45 or less Water outlet side 25 50 Water filter Strainer with Mesh 30 to

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