Home

SERVICE MANUAL

image

Contents

1. LEGEND SYMBOL NAME SYMBOL SYMBOL NAME TB1 Terminal Block lt Power Supply gt PB Power Circuit Board C B Controller Circuit Board TB2 Terminal Block lt Indoor Outdoor gt TB UNM Connection Terminal lt U V W Phase gt SW1 Switch lt Forced Defrost Defect History Record MC Motor for Compressor TB L1 L2 L3 Connection Terminal lt L1 L2 L3 Power Supply
2. LEGEND SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply Indoor Outdoor gt P B Power Circuit Board SS Connector lt Connection for Option gt MC Motor for Compressor U W Connection Terminal lt U V W Phase gt CNM Connector lt A Control Service Inspection Kit gt MF1 MF2 Fan Motor LI Connection Terminal lt L Phase gt CNDM Connector 21S4 Solenoid Valve Four Way Valve NI Connection Terminal lt N Phase gt lt Connected for Option Contact Input gt SV Solenoid Valve Bypass Valve DCL1 DCL2 Recator LED1 LED2 LED lt Operation Inspection Indicators gt 63H High Pressure Switch IGBT Power Module F1 F4 Fuse lt T6 3AL250V gt 63L Low Pressure Switch E1 E2 E3 E4 Connection Terminal Ground X51 X52 X55 Relay 63HS High Pressure Sensor C B Controller Circuit Board TH3 Thermistor lt Liquid gt SW1 Switc
3. LEGEND SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply gt P B Power Circuit Board C B Controller Circuit Board TB2 Terminal Block lt Indoor Outdoor gt TB U V W_ Connection Terminal lt U V W Phase gt SW1 Switch lt Forced Defrost Defect History Record MC Motor for Compressor TB L1 L2 L3 Connection Terminal lt L1 L2 L3 Power Supply gt Reset Refrigerant Adress gt MF1 MF2 Fan Motor TB P2 Connection Terminal SW4 Switch lt Test Operation gt 21S4 Solenoid Valve Four Way Valve TB C1 Connection Terminal SW5 Switch lt Function Switch gt 63H High Pressure Switch TB N1 Connection Terminal SW6 Switch lt Model Select gt 63L Low Pressure Switch X52A 52C Relay SW7 Switch lt Function Setup gt SV Solenoid Valve Bypass Valve N F Noise Filter Circuit Board SW8 Switch lt Function Setup gt TH3 TH32 TH33 Thermistor lt Outdoor Pipe gt LI LIZ LIS NI Connection Terminal lt L1 L2 L3 N Power Supply gt Swa Switch TH4 Thermistor lt Discharge gt LOMLO
4. LEGEND SYMBOL NAME SYMBOL NAME SYMBOL NAME TB1 Terminal Block lt Power Supply Indoor Outdoor gt P B Power Circuit Board SW6 Switch lt Model Select gt MC Motor for Compressor TABU V W Connection Terminal lt U V W Phase gt SW7 Switch lt Function Setup gt MF1 MF2 Fan Motor TABS T Connection Terminal lt L N Phase gt SW8 Switch lt Function Setup gt 21S4 Solenoid Valve Four Way Valve TABP1 P2 P Connection Terminal lt DC Voltage gt Sw9 Switch 63H High Pressure Switch TABN1 N2 N Connection Terminal lt DC Voltage gt SWP Switch lt Pump Down gt 63L Low Pressure Switch DS2 DS3 Diode Bridge CN31 Connector lt Emergency Operation gt SV Solenoid Valve Bypass Valve IPM Power Module SS Connector lt Connection for Option gt TH3 TH32 TH33 Thermistor lt Outdoor Pipe gt N F Noise Filter Circuit Board CNM Connector lt A Control Service Inspection Kit gt TH4 Thermistor lt Discharge gt LI LO Connection Terminal lt L Phase gt CNMNT Connector TH6 Thermistor lt Outdoor 2 Phase Pipe gt NI NO _ Connection Terminal lt N Phase gt lt Connected to Optional M NET Adapter Board gt TH7 Thermistor lt Outdoor gt El E2 Connection Terminal lt Ground gt CNVMNT
5. MO NJ O OI Bl WW PM 32 Power failure automatic recovery can be set by either remote controller or this DIP SW If one of them is set to ON Auto recovery activates Please set Auto recovery basically by remote controller because all units do not have DIP SW Please refer to the indoor unit installation manual x3 SW 7 1 2 are used for demand control SW7 1 2 are effective only at the demand control Refer to next page Special function b 34 Please do not use SW7 3 4 6 usually Trouble might be caused by the usage condition x5 Only for HRP100VHA2 For HRP71VHA 71VHA2 100VHA model breaker capacity should be 32A regardless of SW7 5 setting 2 Function of connector Action by open short operation Types Connector Function Effective timin R Short Open J Connector CN31 Emergency operation Start Normal When power supply ON 70 Special function a Low level sound priority mode Local wiring Unit enters into Low level sound priority mode by external signal input setting Inputting external signals to the outdoor unit decreases the outdoor unit operation sound 3 to 4 dB lower than that of usual Adding a commercial timer or on off switch contactor setting to the CNDM connector which is optional contactor for demand input located on the outdoor contro
6. i Durno 10 lDueH oe ogee Melu y OPIS SEIU ANY OPIS Syelu iy e38 BulAOW 10 IDueH uolleoo UOHDSUUOD FATWA dOLS JO UOREDIPUJ x you g e 2g 6 3dv13 uono uuoo adid GINO 1ueJe6uj u G you 8 9 88 9 1 JHY74 uonouuoo edid sv JUBIABLYOY SOION JO jdwex 0e uey ssa 4 NOLLWONNOS lt iy6ley y0q uolepuno4 gt Ajjeoo paseyound aq 1snui suaysem pue sllog SHOQ OLIN uollepunoj YM Ajway yun ay andes asee d MO Q pue 1291 yfi Juos Su0 9911p y WO1 pew aq ueo Suono uuo2 Hum pue burdid y Ul UBAIB wei6elp mojaq ay u UMOYS ale SS8OOB BOIAIOS 10 p p u oeds jo suolsu uiiq SI sjrejop e nonued Jo uonue dx3 P SMOYS MO lduiex oseq q wRIBEIP oul SN01193gI0 S9NIdIMOONIdld 4 S1109 NOILWANNOS 3OVdS AOIAYAS Z un y puny 39vdS 3344 13 8 WIRING DIAGRAM PUHZ HRP71VHA PUHZ HRP100VHA
7. 6 2 COMPRESSOR TECHNICAL DATA at 20 C i PUHZ HRP71VHA PUHZ HRP100YHA Service Ref PUHZ HRP100VHA PUHZ HRP125YHA Compressor model ANB33FJCMT ANB33FJBMT Winding Resistance Q at 20 C A PUHZ HRP71VHA2 PUHZ HRP100YHA2 Service Ref PUHZ HRP100VHA2 PUHZ HRP125YHA2 Compressor model ANB33FJEMT ANB33FJDMT Winding Resistance Q 6 3 NOISE CRITERION CURVES PUHZ HRP71VHA MODE SPL dB LINE PUHZ HRP100VHA COOLING 52 o o PUHZ HRP100YHA Ee 53 ee PUHZ HRP125YHA 90 q T E EN Ei L ae of RS 4 R amp fi f a a le 4 Sh s foz _ 60 F wW 50 T 3 T m s ao F a z xt as 2 an F inca 2 i f E Ses lt 4 1 t m 920 APPROXIMATE J a F HEARING FON 4 NE z Ico CONTINUOUS 4 gt i J NOISE 4 6 10 J L ax 63 125 250 500 1000 2000 4000 8000 BAND CENTER FREQUENCIES Hz MICROPHONE PUHZ HRP71VHA2 MODE SPL dB LINE PUHZ HRP100VHA2 COOLING 51 PUHZ HRP100YHA2 HEATING 252 le PUHZ HRP125YHA2 90 4
8. Compressor information MENU button Cumulative _y ON OFF Number gt Operating current Display D operation time COMPON COMPON COMPON x10 HOURS x100 TIMES CURRENT A Outdoor unit information ON OFF button Heat exchanger Comp discharge y gt Outdoor ambient Display temperature temperature temperature OUTDOOR UNIT OUTDOOR UNIT OUTDOOR UNIT H EXC TEMP OUTLET TEMP OUTDOOR TEMP Indoor unit information button Indoor room Heat exchanger Filter operatin g p g temperature temperature time Display INDOOR UNIT INDOOR UNIT INDOOR UNIT INLET TEMP H EXC TEMP FILTER USE H 6 Press the FILTER a button to confirm the setting Display example for accumulated operating time I I After approx 12 340 hours 10 seconds ly ae Display gt u A N Blinking Waiting for response 7 Data is displayed on the display at To check the data for each item repeat steps 5 to 7 8 To cancel maintenance mode press the TEST button for 3 seconds or press the MD ON OFF button E Refrigerant address Single refrigerant system Multi refrigerant system group control In the case of single refrigerant system the refrigerant address Up to 16 refrigerant systems 16 outdoor units can be con is 00 and no operation is required nected as a group by one remote controller To check or
9. 14 3 INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION Remote controller button position afa MITSUBISHI ELECTRIC This air conditioner Outdoor unit can detect refrigerant leakage which may happen during a long period of use In order to enable ee Ba x the leakage detection the following settings are required to let the unit memorize the initial condition initial refregerant amount L s SED ON OFF a AN Caution Operation mode Compressor information Outdoor unit information Indoor unit information Confirm Make sure to perform the test run and confirm the unit works TAr GOE OMENU ON OFF Sal iS FILTER without any problems before starting the following setting CJ Cl CD G Ss For more precise detection make sure to set the airflow at CV JC A CORO High notch before enabling this setting PAR 21MAA CLEAR Display 1 How to select the Refrigerant Leakage Detection mode Refrigerant leakage ar s I detection Refrigerant leakage Detection is possible regardless the unit s operation ON or OFF initial teaching detection judgement Press button for more than 3 seconds to switch to GAS LEAK GAS LEAK EASY MAINTENANCE mode Display TEST START JUDGE 2 How to start the initial learning Press CLOCK CZ button and select the GAS LEAK TEST START The initial learning for the leakage detection is always do
10. SW2 setting Display detail Explanation for display Discharge superheat on error occurring SHd 0 255 Cooling TH4 TH6 P TH4 TH5 WYHA Cooling TH4 TesHs a TH Tos V YHA2 0 255 When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns Example When 150 C 0 5 secs 0 5secs 2 secs gt 50 gt Sub cool on error occurring SC 0 130 Cooling TH6 TH3 v yHA Heating TH5 TH4 Heating TesHs TH2 0 130 When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns Example When 115 C 0 5 secs 0 5secs 2 secs 1 gt 15 gt Thermo on time until error stops 0 999 0 999 When it is 100 minutes or more hundreds digit tens digit and ones digit are displayed by turns Example When 415 minutes 0 5 secs 4 gt 15 gt 0 5secs 2 secs Indoor pipe temperature Liquid TH2 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Indoor pipe temperature Cond Eva THS 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns When there is no indoor unit 007 is d
11. KA 12 Indoor unit power supply lt For models without heater gt Outdoor unit power supply The optional indoor power supply terminal kit is required Earth leakage breaker Wiring circuit breaker or isolating switch pea ol sss rof Outdoor unit of hy of j in O Indoor unit outdoor unit connecting cords 1 i 6 Remote controller kaka ja Ej Indoor unit 2 Option l Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units Simultaneous twin system Q Indoor unit power supply lt For models without heater gt Outdoor unit power supply The optional indoor power supply terminal kits are required Earth leakage breaker Wiring circuit breaker or isolating switch r x prea oo Outdoor unit of i 6 m mC Indoor unit outdoor unit connecting cords 4 o Pd Remote controller FI sl Indoor unit Option e oe ioe Affix a label B that is included with the manuals near each wiring diagram for the indoor and outdoor units If the indoor and outdoor units have separate power supplies refer to the table below If the optional indoor power supply terminal kit is used change the indoor If
12. Connect a new air conditioner In case the unit is HRP71 100 125 which utilize ester oil or ether oil Connect a new air conditioner Perform replacement operation Y Existing pipes cannot be reused Use new pipes When performing replacement operation make sure that DIP SW8 2 on outdoor unit controller board is set to ON Chemical compounds containing chlorine left in existing pipes are collected by replace filter eThe air conditioner automatically performs cooling operation through replace filter for about 2 hours Connecting a new air conditioner Flaring work should be done so that flare meets the dimension for R410A Use flare nut provided with indoor and outdoor unit When using gas piping of 619 05mm for HRP100 125 Make sure that DIP SW8 1 on outdoor unit controller board is set to ON This is to keep the pressure on pipes within permissible range eUse different diameter joint or adjust the piping size by brazing When using pipes larger than specified size for HRP71 Make sure that DIP SW8 1 on outdoor unit controller board is set to ON This is to prevent oil flow ratio from lowering due to the decrease in flowing refrigerant eUse different diameter joint or adjust the piping size by brazing When existing pipes are specified size The pipes can be reused referring to TECHNICAL DATA BOOK OCS11 eUse different diamet
13. Power circuit board gt Transmitting signal to the controller board 0 5V DC Zero cross signal 0 5V DC Notused G 0 16V DC 16V DC TAB connecter on X52A Connect to the RS resistor Connect to DCL TB P2 Connect to the smoothing capacitor CB1 TB U TB V TB W Connect to the compressor MC Voltage among phases 10V 400V AC Ei ei re 609N00984 C 0 TB L1 TB L2 TB L3 Connect to the outdoor noise filter circuit board L1 L01 L2 L02 L3 L03 380V 415V AC TB N1 Connect to the smoothing capacitor CB20 POWER Connect to the MODULE smoothing capacitor CB16 CB2 66 Outdoor converter circuit board PUHZ HRP100YHA PUHZ HRP125YHA PUHZ HRP100YHA2 PUHZ HRP125YHA2 L1 IN N IN L1 A1 CK OU K Connect to the CK capacitor sayas a re Aare a Connect to the ACL1 Tes L1 IN L1 Al1 QoS 333 5 kapi 3 ff Ji gf icra ji O80 ses TITE Oes 0 g Q ann qe RISO Ri51 i D opts Io P T T T 5 i i WE an sly aQ Fy Bes H PSI ir L 90 1 Be S i crs ier gt s gt eso nis z z CN7 Connect to the outdoor power circuit board CN7 JAN caution Solder RGOOD002 F61 F53 DIP AC250V BA EE 0 0 x m U 91 l caf
14. 53 Check method of DC fan motor fan motor outdoor controller circuit board Notes High voltage is applied to the connecter CNF1 2 for the fan motor Give attention to the service Do not pull out the connector CNF1 2 for the motor with the power supply on It causes trouble of the outdoor controller circuit board and fan motor Self check Symptom The outdoor fan cannot turn around Fuse check Check the fuse F5 on outdoor controller board Replace outdoor controller board C B D i Did the fuse blow gt Yes gt fan motor MF1 2 4 No Wiring contact check Contact of fan motor connector CNF1 2 v Is there contact failure gt Yes gt 4 No Power supply check Remove the connector CNF1 2 Measure the voltage in the outdoor controller circuit board TEST POINT Voc between 1 and 4 of the fan connector Voc DC250 330V TEST POINT Vcc between 5 and 4 of the fan connector Vec DC15V v Is the voltage normal gt Yes gt C Replace the fan motor D J No vY Yes OK Check the operation of fan END Replace outdoor controller board JL NG 6 Replace outdoor controller board 4 OK Check the operation END 4 NG C Replace the fan motor 54 11 7 HOW TO CHECK THE COMPONENTS lt Thermistor featu
15. Minute SW2 setting Display detail Explanation for display The number of connected indoor units 0 3 The number of connected indoor units are dis played Capacity setting display Displayed as an outdoor capacity code Capacity HRP71V HRP100V 100Y HRP125Y Code display Outdoor unit setting information e The tens digit Total display for applied setting Setting details Display details H P Cooling only 0 H P 1 Cooling only Single phase 3 phase O Single phase 2 3 phase lt The ones digit Setting details Display details 0 Normal Defrosting switch 1 For high humidity Example When heat pump 3 phase and defrosting normal are set up 20 is displayed Code display Indoor pipe temperature Liquid TH2 1 Indoor 1 39 88 39 88 When the temperature is 0C or less temperature are displayed by turns Indoor pipe temperature Cond Eva TH5 1 Indoor 1 39 88 39 88 When the temperature is 0C or less temperature are displayed by turns Indoor pipe temperature Liquid TH2 2 Indoor 2 39 88 39 88 When the temperature is 0C or less temperature are displayed by turns Indoor pipe temperature Cond Eva TH5 2 Indoor 2 39 88 39 88 When the temperature is 0
16. shaving particles etc Ba Fee I The following tool to use R410A refrigerant In addition use pipes with specified thickness Para OS ere ee 9 Tools for R410A Contamination inside refrigerant piping can cause deterio Gauge manifold Flare tool ration of refrigerant oil etc Charge hose Size adjustment gauge Gas leak detector Vacuum pump adaptor Store the piping to be used during installation Torque wrench Electronic reiigerant charging scale indoors and keep both ends of the piping sealed until just before brazing Leave elbow joints etc in iheir packaging Keep the tools with care If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com If dirt dust or moisture enters into refrigerant cycle that can pressor cause deterioration of refrigerant oil or malfunction of com pressor Use ester oil ether oil or alkylbenzene oil small amount as the refrigerant oil applied to flares Do not use a charging cylinder and flange connections If a charging cylinder is used the composition of refrigera If large amount of mineral oil enters that can cause deterio as nt will change and the efficiency will be lowered ration of refrigerant oil etc Charge refrigerant from liquid phase of gas Ventilate the room if refrigerant leaks during cylinder operation If refri
17. 15 16 Compressor Operating frequency 0 255 Hz 17 Compressor Target operating frequency 0 255 Hz 18 Outdoor unit Fan output step 0 10 Step Outdoor unit Fan 1 speed 19 o 0 9999 rpm Only for air conditioners with DC fan motor 20 Outdoor unitEan gt speed f 0 _ 9999 rpm 0 is displayed if the air conditioner is a single fan Only for air conditioners with DC fan motor type 21 22 LEV A opening 0 500 Pulses 23 LEV B opening 0 500 Pulses 24 LEV C opening 0 500 Pulses 25 Primary current 0 50 A 26 DC bus voltage 180 370 V 27 28 29 Number of connected indoor units 0 4 Units 30 Indoor unit Setting temperature 17 30 Cc 31 Indoor unit Intake air temperature lt Measured by thermostat gt 8 39 C 32 ndoor unit Intake air temperature Unit No 1 8 39 c O is displayed if the target unit is not present lt Heat mode 4 deg correction gt 33 ndoor unit Intake air temperature Unit No 2 8 39 c 1 lt Heat mode 4 deg correction gt ndoor unit Intake air temperature Unit No 3 8 39 5 34 h C 4 lt Heat mode 4 deg correction gt 35 ndoor unit Intake air temperature Unit No 4 8 39 c lt Heat mode 4 deg correction gt 36 37 Indoor unit Liquid pipe temperature Unit No 1 39 88 C 0 is displayed if the target unit is not present 38 Indoor unit Liquid pipe temperature Unit No 2 39 88 Cc t 39 Indoor unit Liquid pipe temperature Unit No 3 39 88 c t
18. 9 35 10 50 11 60 14 71 20 100 25 125 28 140 40 200 50 250 Outdoor unit Setting information Request code 71 Data display 0 0 L Setting information Setting information Setting information Display Defrost mode 0 Standard 1 For high humidity Heat pump cooling only Heat pump Cooling only 3 phase Heat pump Cooling only 97 Outdoor unit switch setting display SW1 to SW10 except SW3 Request codes 73 to 82 0 Swich OFF 1 Swich ON 0 Swich OFF 1 Swich ON SW1 SW2 SW6 SW7 SW5 I 112131415716 Data display 1121374 Data display olol olo o o 00 00 olololo 00 00 1 lol lolololo 00 01 1 0 0 0 00 01 ol lolololo 00 02 011107190 00 02 1 1 1lolololo 00 03 1 1 0 0 00 03 olo li lololo 00 04 ololilo 00 04 1 lo l ilololo 00 05 1 0 1 0 00 05 olil l ilololo 00 06 oli il ilo 00 06 1l l l ilololo 00 07 1 1 1 0 00 07 olololil lolo 00 08 ololol i 00 08 1 lol lol ilolo 00 09 1 o o 1 00 09 ol lolilolo 00 0A olilofli 00 0A 1l lol ilolo 00 Ob 1 1 0 1 00 Ob olo lililolo 00 0C olol1 1 00 0C 1 ol1 1 o0
19. Code display Error code history 3 Oldest Alternate display of abnormal unit number and code When no error history 0 and are displayed by turns Code display Error thermistor display When there is no error thermistor is displayed 3 Outdoor pipe temperature Liquid TH3 TH32 6 Outdoor pipe temperature 2 phase TH6 7 Outdoor outside temperature TH7 8 Outdoor heatsink TH8 Code display Operation frequency on error occurring 0 255 0 255 When it is 100Hz or more hundreds digit tens digit and ones digit are displayed by turns Example When 125Hz 0 5secs 0 5secs 2 secs J1 gt 25 gt Fan step on error occurring 0 10 Outdoor pipe temperature TH33 39 88 79 39 88 When the temperature is 0 C or less and temperature are displayed by turns SW2 setting Display detail Explanation for display LEV A opening pulse on error occurring 0 480 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 130 pulse 0 5 secs 0 5secs 2 secs 1 30 gt 4 Indoor room temperature TH1 on error occurring 8 39 Indoor pipe temperature Liquid TH2 on error occurring 39
20. Connector TH8 Thermistor lt Heatsink gt 52C 52C Relay lt Connected to Optional M NET Adapter Board gt LEV A LEV BLEV C Electronic Expansion Valve C B Controller Circuit Board CNDM Connector DCL Reactor SW1 Switch lt Forced Defrost Defect History Record lt Connected for Option Contact Input gt ACTM Active Filter Module Reset Refrigerant Address gt LED1 LED2 LED lt Operation Inspection Indicators gt CB Main Smoothing Capacitor SW4 Switch lt Test Operation gt F1 F4 Fuse lt T6 3AL250V gt CY1 CY2 Capacitor Sw5 Switch lt Function Switch gt X51 X52 X55 Relay LEV C When M NET adapter is connected T 63H 63L LEVA LEV B j 915 Swit CNS H TH33 TH32 TH THe THS THA Tk ma O lg He ans swi BO C B 5 NA BM sy a F FI N L 5 LeD2 S L CNF1 III mi dl 4 o Sms MFI Ie 999 Wh EA So 6 69 64 608668 Sooddd 4 ooo SS eva MS 4 13 72 1 4 12 21 1 6 1 6 13 1 5 Soe e M NET SUBSTRATE 3 TH33 TH32 TH7 6 TH3 TH4 LEV A LEV B CNVMNT CNMNT Ems 5 2 YLW BLK RED WHT WHT WHT RED WHT WHT era Slog S CNM oy MF2 if CNF2 boc 29 8 0000090000000009 EE 1 is we FS wet 13 RED 2 7 1 cm KANA 8385 63H WHT say apaug NA YLW ons2c P CN31 CN4 RED CN2 WHT 12 Ze 1 5 2 TRANS 1 WHT 7 2d 606666 RA 23 ale a 990909 1 6 o CNDC 1 2 LEV C 2 19 PNK BLU BE e lt 7 Sz B F2 F3 o w tw 8 2 CNS 1 2 Fi Z F4 2184 f 11 3f_ i sva iji ss wu
21. Displays the remaining test run time Operating procedures Turn on the main power supply While the room temperature display on the remote controller is PLEASE WAIT the remote controller is disabled Wait until PLEASE WAIT disappears before using remote controller PLEASE WAIT appears for about 2 minutes after power supply is turned on 1 Press TEST button twice The TEST RUN appears on the screen A MITSUI ISHI ELECTRIC BUMN mean H TEST a temp ONOFF Press OPERATION SWITCH Cooling mode Check if cool air blows and water is drained button Heating mode Check if warm air blows It takes a little while until warm air blows Dw eC 4 Press AIR DIRECTION Jbutton Check for correct motion of auto vanes CREDO OMENU ONOFF shal c a BACK WARAS DAY CW correct running TEST button 5 Check the outdoor unit fan for The outdoor unit features automatic capacity control to provide optimum fan speeds Therefore the fan keeps running at a low speed to meet the current outside air condition unless it exceeds its available maximum power Then in actuality the fan may stop or run in the reverse direction depending on the outside air but this does not mean malf
22. E Remote controller button information we MITSUBISHI ELECTRIC HEL nw LILI sik QM ON OFF e _ Operation mode Compressor information Outdoor unit information Indoor unit information ERR Ti6ttOO38E OMENU MON OFF hall D FILTER Y 6 asane San 38E CHECK TEST Cv ED am NO PAR 21MAA CLEAR Activate cancel maintenance mode 1 Press the TEST button for 3 seconds to switch to maintenance mode Display maintenance If stable operation is unnecessary or if you want to check the data with the air conditioner stopped skip to step 4 Fixed Hz operation The operating frequency can be fixed to stabilize operation of inverter model If the air conditioner is currently stopped start it by this operation 2 Press the MODE button to select the desired operation mode Stable operation cancellation STABLE MODE CANCEL Stable heating operation Stable cooling operation Display HEAT STABLE MODE COOL STABLE MODE 3 Press the FILTER a button to confirm the setting Display Waiting for stabilization gt E o gas Stabilized sss After 10 to 20 minutes 100 Data measurement When the operation is stabilized measure operation data as explained below 4 Press the TEMP buttons Cv and CA to select the desired refrigerant address 5 Select the type of data to be displayed After selecting go to step 6
23. Indoor Outdoor separate Wire No x Size mm power SPEY Max 120m Indoor unit Outdoor unit 2 x Min 0 3 Indoor unit Outdoor unit earth The optional indoor power supply terminal kit is necessary Be sure to connect the indoor outdoor connecting cables directly to the units no intermediate connections Intermediate connections can lead to communication errors if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point 20 9 4 M NET WIRING METHOD Points to notice 1 Outside the unit transmission wires should stay away from electric wires in order to prevent electromagnetic noise from making an influence on the signal communication Place them at intervals of more than 5cm Do not put them in the same conduit tube 2 Terminal block TB7 for transmission wires should never be connected to 220 240V power supply If it is connected electronic parts on M NET P C board may burn out 3 Use 2 core x 1 25mm shield wire CVVS CPEVS for the transmission wire Transmission signals may not be sent or received normally if different types of transmission wires are put together in the same multi conductor cable Never do this because this may cause a malfunction BEES ape sess one wam se sa Nm Group Refrigerant I Refrigerant Refrigerant remote ES address 00 address 00 address 00 controller M NET M NET
24. OUTDOOR BOARD LED Display lt gt indicates digital display Cause Remote controller displays PLEASE WAIT and cannot be operated After startup is displayed only green lights up lt 00 gt e After power is turned on PLEASE WAIT is displayed for 2 minutes during system startup Normal After power is turned on PLEASE WAIT is displayed for 3 minutes then error code is displayed After startup is displayed green once and red once blink alternately lt F1 gt e Incorrect connection of outdoor terminal block L1 L2 Ls and 1 S2 S3 After startup is displayed green once and red twice blink alternately lt F3 F5 F9 gt e Outdoor unit s protection device connector is open No display appears even when remote controller operation switch is turned on Operation lamp does not light up After startup is displayed green twice and red once blink alternately lt EA Eb gt e Incorrect wiring between the indoor and outdoor unit Polarity is wrong for S1 S2 S3 e Remote controller transmission wire is short After startup is displayed only green lights up lt 00 gt e There is no outdoor unit of address 0 Address is other than 0 e Remote controller transmission wire is open Display appears but soon disappears even when remote controller is operated After startup is displayed only green lights up lt 00 g
25. Ref pipe length 7 5 7 5 Indoor side 27 20 Intake air temperature 19 15 Discharge air temperature 16 35 Outdoor side 35 7 Intake air temperature Gl G IGO G 3 liall 24 SHF BF The unit of pressure has been changed to NPa based on international Sl system The conversion factor is 1 MPa 10 2 kgf cm2 11 OUTLINES AND DIMENSIONS 7 os6 VHA dHH 620 L VHA ddH s im 5 V ea sr T Sht OZ 0 g Fo Qnoyoouy N lou Buidid woog 43 13A09 Buidid seay 17 1 A02 Buldid juos4 K O w xy gt a lee 7 id o o Buou 10 lpueH g eee SQ aued agag A Y j Bum 1oopinO 1oopul 1uBIi le Buum Ajddns japa en uolo uuo2 EULA Ieuluua yeg ze Buinow 10 lpueH k gt PUHZ HRP71VHA PUHZ HRP100VHA PUHZ HRP100YHA PUHZ HRP125YHA OLW Hog uollepunoj S ou BAO YE X ZL Z 056 aBueyosiq Jy oe oee 1683 UOTETEISU OLW 40g uogepunoy s joy payojou pedeys N Z 009 y lul uly eH ayelul ay OPIS 26 59 noyoouy 89 ny i Z6 inoyoouy
26. The breaker operates ae open x1 The unit does not operate can not be switched ON U9 Abnormal stop 2 hen the unit is in open error condition is described to determine open error by tester check ON Code 20 display OFF 6 68 11 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 1 Function of switches Switch Action by the switch operation Function ON OFF Effective timing When compressor is working Forced defrost 1 Start Normal Normal in heating operation 1 off or operating Clear Abnormal history clear Refrigerant address setting When power supply ON Test run Operating Test run mode setting Heating Cooling Under suspension Always Use of existing pipe Used Not used Normal Under suspension Start Replacement operation Separate indoor outdoor unit power supplies Used Not used When power supply ON Under suspension x1 Forced defrost should be done as follows Change the DIP SW1 1 on the outdoor controller board from OFF to ON Pump down Start Normal Forced defrost will start by the above operation if all these conditions written below are satisfied e Heat mode setting e 10 minutes have passed since compressor started operatin
27. e Linear expansion valve opens closes through stepping motor after receiving the pulse signal from the outdoor controller board e Valve position can be changed in proportion to the number of pulse signal lt Connection between the outdoor controller board and the linear expansion valve gt Outdoor controller board 4 Orange 3 a lt lt TES Connector LEV A LEV B LEV C Output 4 5 Opening avalve 8 gt 7 gt 6 gt 5 gt 4 gt 3 gt 2 gt 1 gt 8 Closing a valve 1 gt 2 gt 3 gt 4 gt 5 gt 6 gt 7 gt 8 gt 1 The output pulse shifts in above order When linear expansion valve operation stops all output phase become OFF When the switch is turned on 700 pulse closing valve signal will be sent till it goes to point in order to define the valve position The pulse signal is being sent for about 20 seconds 2 Linear expansion valve operation When the valve moves smoothly there is no sound or vibration occurring from the linear expansion valve however when the pulse number moves from to or when the valve is locked 5 4 sound can be heard gt I No sound is heard when the pulse number moves from to in I case coil is burnt out or motor is locked by open phase S g i Sound can be detected by placing the ear against the screw driver i handle while putting the screw driver to the linear expansion 2 valve gt Close Open 1 1 1 va 1 1 500 pulse
28. to Power supply for indoor and outdoor unit connec ba e tion wire ese a 220 240 AC DC 0V when stopped CNF1 CNF2 DC 1 6 5V Connect to the fan motor 280V DC CNS when operated 280V DC Outdoor power circuit 1 S2 220 240V AC Dr j aa board for HRP71 100V as GO 15V DC When stopped RHEE a See power supply 7 5V DC When operated oltage 0V 15V pulse 24V DG 61 Outdoor noise filter circuit board PUHZ HRP71VHA PUHZ HRP100VHA RS1 CNAC1 CNAC2 220 240V AC Connect to the outdoor control ler circuit board CNAC El Connect to the earth aD CED CS 28 CN52C 52C driving signal Connect to the outdoor controller circuit board CN52C LO NO Voltage of 220 240V AC is output Connect to the outdoor power circuit board TABS TABT E2 i Sadi Connect to the earth CN5 Primary current Connect to the outdoor power circuit board CNS Voltage of 220 240V AC is input Connect to the terminal block TB1 62 Outdoor noise filter circuit board PUHZ HRP100YHA PUHZ HRP125YHA GD1 Connect to the earth y CO CNAC1 CNAC2 AC220 230 240V Connect to the outdoor controller circuit board CNAC ili i te e CNDC Connect to the outdoor controller circuit board CNDC hrs sav 250v g 6 R one FUSE CNL Connect to the outdoor co
29. Example Request code 004 Discharge temperature 69 C Refrigerant address 00 A Maintenance mode display B Refrigerant address C Data display area D Request code display area Display Power currently supplied to compressor Compressor Four way valve Solenoid valve Indoor unit Control state Request code 50 Data display Unit No 4 state Unit No 3 state Unit No 2 state Unit No 1 state Outdoor unit Control state Request code 51 Data display State O 0 0 O Normal O O O 1 Preparing forheat operation O O O 2 Defrost Compressor Frequency control state Request code 52 Data display 0 0 Frequency control state D Display Current limit control 0 No current limit 1 Primary current limit control is ON 2 Secondary current limit control is ON Frequency control state Frequency control state 95 0 1 ON 2 ON 3 ON ON 4 ON 5 ON ON 6 ON ON 7 ON ON ON 8 ON A ON ON Display State 0 Normal 1 Preparing for heat operation 2 3 4 Heater is ON 5 Anti freeze protection is ON 6 Overheat protection is ON 7 Requesting compressor to turn OFF
30. L A 4 3 a L KANGGE i E 1 RQ F lt i EINC 70 2 J lt F 1 an 5 a F F 5 60 x a F ee a m F Q i t NC 50 t aka E g Q as t NC 40 z r E r t 9 F BG SINGS a 20 APPROXIMATE F m u Oeo ENE T i CONTINUOUS INc 20 NOISE E i 3 E O 10 BAND CENTER FREQUENCIES Hz 1 5m 1m UNIT 4 7 GROUND 10 k J r C 63 125 250 500 1000 2000 4000 8000 6 4 STANDARD OPERATION DATA PEAD RP71EA PEAD RP100EA2 PEAD RP125EA Representative matching Mode Cooling Heating Cooling Heating Cooling Heating Capacity 7 100 8 000 10 000 11 200 12 500 14 000 Input 2 15 2 34 3 06 3 10 3 89 3 88 Electrical circuit Indoor unit PEAD RP71EA PEAD RP100EA2 PEAD RP125EA Phase Hz 1 50 1 50 Voltage Current 1 55 2 62 Outdoor unit PUHZ HRP71VHA 2 PUHZ HRP100VHA 2 PUHZ HRP100YHA 2 PUHZ HRP125YHA 2 Phase Hz 1 50 1 3 50 Voltage 230 400 Current 11 10 3 69 1 1 28 3 74 Refrigerant circuit Discharge pressure 2 61 2 22 Suction pressure 0 97 0 72 Discharge temperature 68 65 Condensing temperature 44 37 Sunction temperature 13 4
31. Normal operation Self diagnosis of remote controller PLEASE WAIT is displayed for 6 min utes at most in case of indoor outdoor unit communication error Check LED3 on indoor controller board 1 When LEDS is not blinking Check indoor outdoor connecting wire for miswiring Converse wiring of S1 and S2 or break of S3 wiring 2 When LEDS is blinking Indoor outdoor connecting wire is nor mal Check LED display on outdoor controller circuit board Refer to 11 10 Check protection device connector 63L and 63H for contact failure Refer to 11 9 3 When pressing the remote controller operation switch the OPERATION display is appeared but it will be turned off soon After cancelling to select function from the remote controller the remote controller operation switch will be not accepted for approx 30 seconds 43 Normal operation Phenomena Factor Countermeasure 4 Even controlling by the wireless remote controller no beep is heard and the unit does not start operat ing Operation display is indicated on wireless remote controller The pair number settings of the wireless remote controller and indoor controller board are mismatched Check the pair number settings 5 When operating by the wireless remote controller beep sound is heard however unit does not start operating No operation for 2 minutes at most after the power supply ON Local
32. Refrigerant control Linear Expansion Valve Compressor Hermetic Model ANB33FJBMT ANB33FJDMT OUTDOOR UNIT Motor output 2 5 Starter type Inverter Protection devices HP switch LP switch Discharge thermo Crankcas e heater Heat exchanger Plate fin coil Fan Fan drive x No Propeller fan x 2 Fan motor output kW 0 086 0 086 0 074 0 074 Airflow m min CFM 100 3 530 Defrost method Reverse cycle Noise level Cooling dB 52 51 Heating dB 53 52 Dimensions w mm in 950 37 3 8 D mm in 330 30 13 1 3 16 H mm in 1 350 53 1 8 Weight 134 295 Refrigerant kg Ibs R410A Charge kg Ibs 5 5 12 1 Oil Model L 1 40 FV50S REFRIGERANT PIPING Pipe size O D Liquid mm in 9 52 3 8 Gas mm in 15 88 5 8 Connection method Indoor side Flared Outdoor side Flared Between the indoor amp outdoor unit Height difference Max 30m Piping length Max 75m 6 DATA 6 1 REFILLING REFRIGERANT CHARGE R410A kg p Factory Service Ref charged PUHZ HRP71VHA 2 I A 5 5 PUHZ HRP100VHA 2 55 PUHZ HRP100YHA 2 I i PUHZ HRP125YHA 2 5 i 5 5 For pipe longer than 30m additional charge is required
33. e Setting the telephone number 4 Display change DISP MODE SETTING 1 Temperature display C F setting TEMP MODE C F Setting the temperature unit C or F to display 2 Room air temperature display setting ROOM TEMP DISP SELECT Setting the use or non use of the display of indoor room air temperature 3 Automatic cooling heating display setting AUTO MODE DISP C H e Setting the use or non use of the display of Cooling or Heating display during operation with automatic mode Function selection flowchart Refer to next page 1 Stop the air conditioner to start remote controller function selection mode gt 2 Select from item1 gt 3 Select from item2 gt 4 Make the setting Details are specified Detailed setting 4 1 CHANGE LANGUAGE setting OFF The language that appears on the dot display can be selected Press the MENU button to change the language Japanese JP English GB German D Spanish E Russian RU Italian I Chinese CH French F 4 2 Function limit 1 Operation function limit setting operation lock To switch the setting press the OON OFF button no1 Operation lock setting is made on all buttons other than the ON OFF button no2 Operation lock setting is made on all buttons OFF Initial setting value Operation lock setting is not made To make t
34. lou Buldid wey 26 N foo ss 61 eae BJS joy uidid 1uo1j D x x 25 2 263 8 tr 26 imoyooum 2 DQ a lou Bumunu seay kU t a m Gnoyoouy noyoouy 2 2 or SP Ov SL OF joy Buryuna quo lou uum Ajddns samod noysouy InoyoouyZZ9 2 l ou Buun yfi qnoxpouy lou Buri A ddns samog inoyo0uy 2 2 lou Buum Ajddns Jamog Bulaow 104 pueH IC IC IC dC IC IC IC IC HEU IY OPIS Durno 10 lpueH AD Mm IC IC lou Buidid yy6ry sjlelag aJOH INoyIOUY Buldid Bulaow 10 lpueH uolleo9o0 UOHDBUUOD FATWA dOLS JO UOlle9Ipul kak youl g g zS 6 JHY74 uono uuoo did AINON lue eBuj t you g G g8 S 3t4V13 uoniouuoo did sya lueJeBuj ti T S 1oN JO duiexdg MO Q pue sea ypa Juos SU0l 981ID y WO pew aq ueo Suol o uuo2 uum pue Buldig SNOLLOSUIG NIYIM Nldld 4 SIUN JNOMWONNOS uey Ss 1 lt 4uBlau 0q uoepuno4 gt Ajjeo0 paseyoind q snu siausem pue sijog slloq OHN uollepunoj YIM Away pun y BINDES se qd S1108 NOILVONNOS we6eIp mojaq aul u UMOYS ale ssad9R BOIS 10 p p u oeds jo suolsu uiiq AOVdS AOIAYAS oja sjenuew uonelie1su y u UdAIB SI sjlejap sejnoed jo uonuejdxg ajduexe oiseq e smoys mojag weipeip u l un aul puny 39vdS 3344
35. mm 0 6 eVHA ddH Uni 6Z0 L CWHA dHH J A02 Buidid seay 19409 Buidid 1u014 Inoyoouy lou Buidid wonog ge s ou ueq Lov x ery Lx i Duou 10 pueH el joued aS PUHZ HRP71VHA2 HRP100VHA2 PUHZ HRP100YHA2 PUHZ HRP125YHA2 PUHZ Buum JoopyjnQyoopyy YB1y Buum Ajddns somo 497 uono uuoo UILWD euo yey kK OLN 40g YoHepuno5 S J0y EAD 9E X Z Z 99 0956 Bueuosiq sly 1993 UOHE eISU 01W 310g uonepuno3 s lou payojou padeys N Z 009 y lul y IRAH S L ez 10 alpuey DC DC dC z6 59 inoyoouy S IN jnoysouy lou Buldid sey 6 No SS 6 ale aloy Burdid quay a gt i 26 o Z6 6 wW noxpouy a T ljou Bumunu y or S Topo noyooun2 2 o cr ov S4 OF aloy Buruna juo14 lou Burm Ajddns samog noyoouy noxpouyz2 2 lou umuna 1y6Iy lou Buuim Ajddns amod Inopouyzz z eo A Burdid 1u6 lou Buuim Ajddns samog cpu Peete B 000 sjlelag loH Inoyouy Buldig OO OyeqU AY dC IC IC BulAous 10 lpueH DC dC dC Bulaow 10 ajpuey dC dC dC dC DC DC JC DC
36. peh es see Remote controller self diagnosis result When the remote controller is functioning correctly When the remote controller malfunctions Error display 1 NG blinks The remote controller s transmitting receiv ing circuit is defective SELF HECK SELF CHECK r j r Nge PL om RE me Check for other possible causes as there is no problem with the remote The remote controller must be replaced with a new one controller Where the remote controller is not defective but cannot be operated Error display 2 E3 6833 or 6832 blinks Transmission is not possible Error display 3 ERC and the number of data errors are displayed Data error has occurred ERROR CODE RE There might be noise or interference on the transmission path or the indoor unit or other remote controllers are defective Check the transmission path and other controllers SELFCHECK PE 5 ZELF CHECK ERC I T The number of data errors is the difference between the number of bits sent from the remote controller and the number actually transmitted through the transmission path If such a problem is occurring the transmitted data is affected by noise etc Check the transmission path c When the number of data errors is 02 Transmission data from remote controller nin r Transmission data on transmission path To cancel remote controller diagnosis Pres
37. zm NA B ong 3 CN4 RED 2 TRANS ma WHT Fo 6 EH x 7124 1 WHT 12 Tev c 5 EHH CNDC CITITII PY BLU 3 623 PNK 2 1 Br 7 65 oe F2 CNAC F3 9 2 z z we x x x CNS t Ab o paja KIMA 3H sv2 3H ss wna H EA 7 GAN BLU S WHT 21S4 SV IN 230V 50Hz 16 wdy lu DCL2 QDCLI El Ot N U u SJEla BLK BLK a S oc DCL mT V io PRN rh 3 MC al gt z x1MODEL SELECT e m 6 gt MODEL SW6 SW5 6 2 9 LIN S1 ON ON Grae ea 71V OFF kari E oFF H HH i S S 12345678 123456 ve Seer RAIS ON Hi ON i INDOOR 100V OFF kakia B oFF g uT 12345678 123456 POWER SUPPLY 2 SW5 1 to 5 Function Switch PUHZ HRP100YHA2 PUHZ HRP125YHA2
38. 2 or more same address of controller of out door unit indoor unit FRESH MASTER or LOSSNAY Noise has entered into trans mission signal and signal was transformed Search the unit with same address as abnor mality occurred If the same address is found turn off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more after the address is corrected and turn the power on again Check transmission waveform or noise on transmission wire Hard ware error of transmission processor Transmission processor intended to trans mit O but 1 appeared on transmission wire Note The address and attribute display at remote controller indicate the con troller that detected abnormality Error is detected if waveform is transformed when wiring works of transmission wire of outdoor unit indoor unit FRESH MASTER or LOSSNAY are done or polarity is changed with the power on and transmission data collides each other Defective transmitting receiving circuit of transmission proces sor Transmission data is changed by the noise on transmission If the works of transmission wire is done with the power on turn off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again Check transmission waveform or noise on transmission wire BUS BUSY 1 Overtim
39. M NET Power address 01 address 02 address 03 suppl unit for Ji LoL transmission wire A control A control A control remote remote remote controller controller controller It would be ok if M NET wire non polar 2 cores is arranged in addition to the wiring for A control 4 Ground only one of any appliances through M NET transmission wire shield wire Communication error may occur due to the influence of electromagnetic noise Ed error will appear on the LED display of outdoor unit 0403 error will appear on the central control remote controller K Bad example Multi spot grounding of shield wire Central Power remote supply M NET type M NET type M NET type controller appliance outdoor unit outdoor unit outdoor unit gt M NET transmission wire OGood example 1 Single spot grounding of shield wire Central Power M NET type M NET type IM NET type remote AE outdoor unit outdoor unit outdoor unit a A M NET transmission wire O Good example 2 Single spot grounding of shield wire Central Power remote supply M NET type M NET type M NET type controller appliance outdoor unit outdoor unit outdoor unit AS M NET transmission wire If there are more than 2 grounding spots on the shield wire noise may enter into the shield wire because the gro
40. New publication effective Sep 2008 Made in Japan Specifications subject to change without notice
41. The temperature range can be changed on heating mode The temperature range can be changed on automatic mode Automatic filter elevation panel up down operation mode Not necessary to set this mode Refer to OPERATION MANUAL of Optional Parts Panel for details on operation Fixed air flow direction mode Not necessary to set this mode Refer to OPERATION MANUAL of indoor unit for details on operation The remote controller will be the main controller Initial setting value The remote controller will be the sub controller The clock function can be used Initial setting value The clock function cannot be used Weekly timer can be used Initial setting value Auto off timer can be used Simple timer can be used Timer mode cannot be used The set contact numbers are not displayed in case of error Initial setting value The set contact numbers are displayed in case of error The temperature unit C is used Initial setting value The temperature unit F is used Room air temperature is displayed Initial setting value Room air temperature is not displayed One of Automatic cooling and Automatic heating is displayed under the automatic mode is running Initial setting value Only Automatic is displayed under the automatic mode 13 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER 13 1 HOW TO MONITOR THE OPERATION DATA Turnonthe Monitoring t
42. code history for each unit using the remote controller Set the unit number or refrigerant address you want to diagnose Switch to self diagnosis mode Press the TEMP buttons CV and CA D to select the desired number Press the CHECK button twice within 3 seconds The display content or address The number address changes between 01 and 50 or 00 will change as shown below and 15 SELF CHECK a SELF HECK car mnm mm LILI LILI The refrigerant address will begin to blink Unit number or refrigerant address approximately 3 seconds after being to be diagnosed selected and the self diagnosis process will begin Display self diagnosis results lt When there is error code history gt For the definition of each error code refer to the indoor unit s installation manual or service handbook Alternating Display SELFCHECK Bo CERRAR go DI Error code 2 or 4 digits Address 3 digits or unit number 2 digits z i k lt i lt When there is no error code history gt lt When there is no corresponding unit gt SELFCHECK D SELF CHECK z a eop qoe dama pe Ar n pare fee LILI LILI Reset the error history Display the error history in the diagnosis result display screen see step SELF CHECK SELF CHECK ERROR GODE lt eman goe As nr sie nn sie LILI LILI 28 i ihi dif When
43. down Perform the following procedures to recover the refrigerant when moving the indoor unit or the outdoor unit Turn on the power supply circuit breaker When power is supplied make sure that CENTRALLY CONTROLLED is not displayed on the remote controller If CENTRALLY CONTROLLED is displayed the refrigerant recovering pump down cannot be completed normally Atfter the liquid stop valve is closed set the SWP switch on the control board of the outdoor unit to ON The compressor outdoor unit and fans indoor and outdoor units start operating and refrigerant recovering operation begins LED1 and LED2 on the control board of the outdoor unit are lit Set the SWP switch push button type to ON in order to perform refrigerant recovering operation only when the unit is stopped However refrigerant recovering operation cannot be performed until compressor stops even if the unit is stopped Wait 3 minutes until compressor stops and set the SWP switch to ON again Because the unit automatically stops in about 2 to 3 minutes after the refrigerant recovering operation LED1 is not lit and LED2 is lit be sure to quickly close the gas stop valve x In case the outdoor unit is stopped when LED1 is lit and LED2 is not lit open the liquid stop valve completely and then repeat step 3 minutes later x If the refrigerant collecting operation has been completed normally LED1 is not lit and LED2 is lit the unit will remain stoppe
44. example shows how to turn off the function that raises the set temperature by 4 degrees during HEAT operation panapas ass The procedure is given after the flow chart JAWI Check the function selection setting ia Switch to function selection mode Troubleshooting mode is the mode entered when Enter address 50 in troubleshooting you press the CHECK button twice to display mode then press the HOUR button CHECK ON OFF TEMP F Specify unit No 01 since the function applies to unit 01 ONORE Dutton O Set address 01 while still in troubleshooting mode then press the MINUTE button TE l Note You cannot specify the refrigerant address Change lt td By FAN AUTOSTOP F unit No RO CS Select mode No 24 function that raises set temperature by 4 degrees during HEAT operation NO MODE VANE AUTOSTART Set address 24 while still in troubleshooting mode then press the HOUR button CIm eA I CHECK LOUVER h Select setting No 02 OFF Check button E L Hy HOUR button Set address 02 while still in troubleshooting mode then press the HOUR button min MINUTE button sr FEET og gy Finished gt NO YES End function selection mode Note When you switch to function selection mode End troubleshooting mode on the wireless remote contr
45. gt Reset Refrigerant Adress gt MF1 MF2 Fan Motor TB P2 Connection Termina SW4 Switch lt Test Operation gt 2184 Solenoid Valve Four Way Valve TB C1 Connection Terminal SW5 Switch lt Function Switch gt SV Solenoid Valve Bypass Valve TB N1 Connection Terminal SW6 Switch lt Model Select gt 63H High Pressure Switch X52A 52C Relay SW7 Switch lt Function Setup gt 63L Low Pressure Switch N F Noise Filter Circuit Board SW8 Switch lt Function Setup gt 63HS High Pressure Sensor LIV LIZ LIS NI_ Connection Terminal lt L1 L2 L3 N Power Supply gt SW9 Switch TH3 hermistor lt Liquid gt LOWLO2LO3NO Connection Terminal lt L1 L2 L3 N Power Supply gt SWP Switch lt Pump Down gt TH4 Thermistor lt Discharge gt GD1 GD3_ Connection Terminal lt Ground gt CN31 Connector lt Emergency Operation gt TH6 Thermistor lt Outdoor 2 Phase Pipe gt CONV B Converter Circuit Board Ss Connector lt Connection for Option gt TH7 Thermistor lt Outdoor gt L1 At IN Connection Terminal lt L1 Power Supply gt LED1 LED2 LED lt Operatiion Inspection Indicators gt TH32 hermistor lt Suction gt L1 A2 OU Connection Terminal lt L1 Power Supply gt CNM Connector lt A Control Service Inspection Kit gt TH33 hermistor lt Ref chech gt L2 A2 0U Connection Terminal lt L2 Power Supply gt CNDM Connector LEV A LEV B LEV C Electronic Expansion Valve L3 A2 OU Connection Terminal lt L3 Power Supply gt lt Connection for Option Contact Input gt Li ACL4 Reactor N IN Connection Termina
46. indoor unit system set the unit number to 01 to 02 for each indoor unit in case of selecting different functions for each unit referring to setting the indoor unit number of Operating Procedure e When setting the same functions for an entire simultaneous twin indoor unit system set refrigerant address to AL 07 in case of wireless remote controller referring to setting the indoor unit number of Operating Procedure 6 Initial setting Factory setting Not available i i Model Setting 4 Way Ceiling Wall Fi unton Settings No No cassette concealed mounted PLA BA 2 PEAD EA 2 PKA GAL PEAD GA Filter sign 100h 2500h 07 No filter sign indicator Air flow Quiet Fan speed Standard High ceiling No of air outlets 4 directions 3 directions 2 directions Optional high efficiency Not supported filter Supported Vane setting No vanes Vane No 3 setting PLA only Vane No 1 setting Vane No 2 setting Energy saving air Disabled flow Heating mode Enabled Optional humidifier Not supported PLA only Supported Vane differential setting No 1 setting TH5 24 28 C in heating mode No 2 setting Standard TH5 28 32 C cold wind prevention No 3 setting TH5 32 38 C Swing Not available i Swing Available Wave air flow Set temperature in heating Available _ Temperature correction Valid PLA BA 2 mode 4 deg up Not available Temperature correction Invalid Fan speed when the Extra low heating thermost
47. it is not the above mentioned problem of O Diagnose remote controllers a When RC OK is displayed Remote controllers have no problem Turn the power off and on again to check If abnormality generates again replace indoor controller board b When RC NG is displayed Replace remote controller c When RCE3 or ERCO00 66 is displayed noise may be causing abnormality If the unit is not normal after replacing indoor controller board in group control indoor controller board of address 0 3 may be abnormal Error Code Abnormal point and detection method Case Judgment and action Remote controller control board Abnormal if data cannot be normally read from the nonvolatile memory of the remote controller control board Error code E1 Abnormal if the clock function of remote controller cannot be normally operated Error code E2 Defective remote controller Replace remote controller Remote controller transmission error E3 signal receiving error E5 Abnormal if remote controller could not find blank of transmission path for 6 sec onds and could not transmit Error code E3 Remote controller receives transmitted data at the same time compares the data and when detecting it judges different data to be abnormal 30 continuous times Error code E3 Abnormal if indoor controller board could not find blank of transmission path Erro
48. it with a 4 way valve coil Linear Low pressure wet cloth to prevent it from heating 120 C or more 21S4 expansion switch 63L then braze the pipes so that the inside of pipes 4 way valve coil valve coil Linear are not oxidized fixing screw LEV B expansion 10 Removing linear expansion valve 4 way valve are 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 3 valve bed fixing screws 4 x 10 and 4 ball Figure 2 PUHZ HRP100 125YHA2 valve and stop valve fixing screws 5 x 16 then remove 4 Remove 4 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 5 Remove the linear expansion valve coil 6 Recover refrigerant I High pressure p J J i 7 Remove the welded part of linear expansion valve switch 63L Thermistor Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the linear expansion valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside lt outdoor pipe gt TH33 Bypass valve coil SV Bypass valve LEV ee 4 way kd pipes sah not saad valve coil 2184 years 11 Removing the high pressure switch 63H and the low 4 way valve pressure switch 63L 1 Remove the service panel See Figure 1 Low pressure 2 Re
49. linear expansion valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the linear expansion valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 5 6 7 10 Removing the high pressure switch 63H and the low pressure switch 63L 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure switch and low pressure switch 5 Recover refrigerant 6 Remove the welded part of high pressure switch and low pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the high pressure switch cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized 107 I Linear Low pressure Gaur coil expansion switch 63L F valve coil 4 way valve coil LEV B Linear fixing screw expansion valve 4 way valve Figure 2 PUHZ HRP71 100VHA2 LEV coil LEV C LEV LEV coil LEV A High pressure switch 63L Thermistor l
50. need to set the address of outdoor unit and remote controller To construct a central control system the setting of M NET address should be conducted only upon the outdoor unit The setting range should be 1 to 50 the same as that of the indoor unit in CITY MULTI system and the address number should be consecutively set in a same group Address number can be set by using rotary switches Setting example ks a 1 2 20 SW11 for ones digit and SW12 for tens digit which f Ps ae gt is located on the M NET board of outdoor unit past digit re Initial setting all addresses are set to O SW12 am GD 32 tens 9 4 2 Refrigerant address setting In case of multiple grouping system multiple refrigerant circuits in one group indoor units should be connected by remote controller wiring TB5 and the refrigerant address needs to be set Leave the refrigerant addresses to 00 if the group set ting is not conducted Set the refrigerant address by using DIP SW1 3 to 6 on the outdoor controller board Initial setting all switches are OFF All refrigerant addresses are 00 efooooog oo sooo ooosoo oomsoo ooooso oomsomo ooomso oomeo cre mm fr fore a fore muarimum o mummumcm fore form for annone T23456 T23456 T2345 6 123456 T23456 123457
51. numbers are displayed in case of error The contact number can be set when the display is as shown on the left Setting the contact numbers To set the contact numbers follow the following procedures Move the flashing cursor to set numbers Press the H TEMP V and A button to move the cursor to the right left Press the O CLOCK V and A button to set the numbers 4 4 Display change setting 1 Temperature display C F setting To switch the setting press the ON OFF button C The temperature unit C is used F The temperature unit F is used 2 Room air temperature display setting To switch the setting press the ON OFF button ON The room air temperature is displayed OFF The room air temperature is not displayed 3 Automatic cooling heating display setting To switch the setting press the ON OFF button ON One of Automatic cooling and Automatic heating is displayed under the automatic mode is running OFF Only Automatic is displayed under the automatic mode CALL_ 88 Function selection flowchart Setting language English Change Language Function selection et OVE Mode ee Normal display Display when the air conditioner is not running TIOH Remote controller function selection mode Hold down the button and press the button for 2 seconds English Germa
52. of remote controller Error code will be displayed if any protection devices of the air conditioner are actuated What is error code Refer to SELF DIAGNOSIS ACTION TABLE jJ Check if servicing is required for the error Remote controller PLEASE WAIT is displayed on the screen Wait around 2 minutes An automatic startup test will be conducted for 2 minutes when power is supplied to the air conditioner PLEASE WAIT will be kept being displayed while that time FILTER is displayed on the screen This indicates that it is time to clean the air filters Clean the air filters Press the FILTER button on the remote controller twice to clear FILTER from the display See the operation manual that came with the product for how to clean the filters Display time of FILTER depends on the model Long life filter 2500 hrs Regular filter 100 hrs STANDBY is displayed on the screen This is displayed when the unit starts HEAT operation when the thermostat puts the compressor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around 10 minutes later While STANDBY is displayed on the remote controller the airflow amount will be restricted because the indoor unit s heat exchanger is not fully heated up In addition to that the up down vane will be automatica
53. remote controller operation is prohibited lt Remote controlling adaptor is connected to CN32 on the indoor controller board Local remote controller operation is prohibited by centralised controller etc since it is connected to MELANS Factor of No 2 Normal operation Normal operation Check the phenomena of No 2 Remote controller display works normally and the unit performs cool ing operation however the capacity cannot be fully obtained The air does not cool well Refrigerant shortage Filter clogging Heat exchanger clogging Air duct short cycle O If refrigerant leaks discharging tempera ture rises and LEV opening increases Inspect leakage by checking the tem perature and opening Check pipe connections for gas leakage Open suction grille and check the filter Clean the filter by removing dirt or dust on it If the filter is clogged indoor pipe tem perature rises and discharging pressure increases Check if heat exchanger is clogged by inspecting discharging pressure e Clean the heat exchanger Remove the shield 7 Remote controller display works nor mally and the unit performs heating operation however the capacity cannot be fully obtained Linear expansion valve fault Opening cannot be adjusted well due to linear expan sion valve fault Refrigerant shortage Lack of insulation for refrigerant piping Filter clogging Heat exchanger clogging Air duct sho
54. set the Simultaneous twin units belong to this category refrigerant addresses single refrigerant system 1 1 Twin Refrigerant Refrigerant Refrigerant Refrigerant Refrigerant Refrigerant address address address address address 00 address 00 Outdoor unit Indoor unit 01 Remote controller Outdoor unit 15 Outdoor unit Indoor unit 01 02 Outdoor unit Indoor unit 01 01 Outdoor unit Indoor unit 01 00 Outdoor unit Indoor unit 01 Remote controller Indoor unit 01 Remote controller Indoor unit 02 101 14 2 GUIDE FOR OPERATION CONDITION PEN E Sea E Check Poinis gt Breaker Good Retightened g S Terminal block Outdoor Unit Good Retightened 8 Indoor Unit Good Retightened Insulation resistance MQ a Voltage V Comi Accumulated operating time Time Dies SOT Number of ON OFF times Times Current A e Refrigerant heat exchanger temperature COOL C HEAT C 2 8 Refrigerant discharge temperature COOL C HEAT 5 8 _Air outside air temperature COOL C HEAT Cc 5 2 Air discharge temperature COOL C HEAT C Appearance Good Cleaning required 2 8 g Heat exchanger Good Cleaning required Sound vibration None Present e Air intake air temperature COOL C HEAT C 8 Air discharge temperature COOL lt HEAT G Refrigerant heat exchang
55. the indoor and unit electrical box wiring referring to the figure in the right and the DIP switch Connectors Inisial setting outdoor units have settings of the outdoor unit control board Electric heater for indoor unit power separate power For models with supplied from outdoor unit supplies change the Indoor unit specifications heater connections of the Indoor power supply terminal kit option Required T eje connectors as shown I EJE N Indoor unit electrical box connector con Required lt 3 in the following nection change EE ei figure 7 ra n i Label affixed near each wiring diagram Required aor unit Electric heater for the indoor and outdoor units control board For models with Outdoor unit DIP switch settings when L heater Genk using separate indoor unit outdoor unit ON Indoor unit power supplied from outdoor unit T IE power supplies only OFF 1 2 SW8 when shipped from factory N ejm JE ORANGE Set the SW8 3 to ON aey ie Hee 3 z Indoor unit There are three types of labels labels A B and C Affix the appropriate labels to z control board the units according to the wiring method S L Separate indoor unit outdoor unit power supplies Indoor unit model RP35 125 Indoor unit power supply N single 50 Hz 230 V Indoor unit input capacity 16A Main switch Breaker Indoor unit power supply 2x Min 1 5 Indoor unit power supply earth 1x Min 1 5 Indoor unit Outd
56. used Charging cylinder Refrigerant charge Tool exclusive for R410A x Prepare a new tool Use the new tool as the tool exclusive for R410A A Tools for other refrigerants can be used under certain conditions O Tools for other refrigerants can be used FEATURES v J le aN Hl PUHZ HRP71 100VHA PUHZ HRP71 100VHA2 _ 8 PUHZ HRP100 125YHA PUHZ HRP100 125YHA2 HIGH HEATING CAPACITY TE Industry first flash injection circuit is equipped which enables to about 30 UP keep the equal capacity with the rating even when outside tem perature is 15 C 5 aa gt 5 G 8 10b eo 2 pps ge I 25C 20C 15C 10C 5C oc Outdoor W B temp HIGH SPEED HEATING START UP The performance of heating start up is improved Compared to hot air of 50 C RP type Zubadan reduced the time for heating start up by about i doesn t reach 50 half After starting operation the airflow temperature goes up to HRP100 Is too low ae 45 C quickly in 10 minutes With industry first shorter and less frequent defrost defrosting ti
57. waveform or noise on transmission wire Communication error with communica tion processor Defective communication between unit processor and transmission processor Note The address and attribute display at remote controller indicate the con troller that detected abnormality Data of transmission proces sor or unit processor is not transmitted normally because of accidental trouble such as noise or thunder surge Address forwarding from unit processor is not transmitted normally because of defective transmission processor hard ware 40 Turn off the power supply of outdoor unit indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again System returns nor mally if abnormality was accidental malfunc tion If the same abnormality generates again abnormality generated controller may be defec tive Error Code Abnormal point and detection method Case Judgment and action NO ACK signal 1 Transmitting side controller detects abnormal if a message was transmitted but there is no reply ACK that a mes sage was received Transmitting side detects abnormality every 30 seconds 6 times continuously Note The address and attribute displayed at remote controller indicate the con troller that did not reply ACK Common factor that has no rela tion with abnormality source The unit of former address does not exist a
58. 0 0 1 ON 1 ON 2 ON 2 ON 3 ON ON 3 ON ON 4 ON 4 ON 5 ON ON 5 ON ON 6 ON ON 6 ON ON 7 ON ON ON 7 ON ON ON 8 ON 9 ON ON A ON ON b ON ON ON C ON ON d ON ON ON E ON ON ON F ON ON ON ON Error content U9 Request code 55 Data display olo Error content Error content Error content Detected Error content 6 Detected Display Overvoltage Undervoltage Li phase Power synchronizing Display Converter Fo PAM error error error open error signal error error 0 0 1 e e 1 e 2 e 2 e 3 e e 3 e e 4 e 5 e e 6 e e 7 e e 8 e 9 e A e e b e e e C e e d e e e E e e F e e e e O O gt Contact demand capacity Request code 61 Data display 0 0 0 Setting content External input state Request code 62 Data display 0 0 0 L Setting content Display Setting value SWT Setting Sw72 0 0 1 50 ON 2 75 ON 3 100 ON ON Input state Input present Di Contact demand Silent mode Spare 1 Spare 2 Input stat play i i i i put state input input input input 0 1 2 e 3 e e 4 e 5 e e 6 e e 7 e e e 8 e 9 e e A e e b e e C e d e 6 e E e e e F e J e Outdoor unit Capacity setting display Request code 70 Data display Capacity
59. 1 6 Compressor overcurrent interruption Abnormal if overcurrent DC bus or com pressor is detected after compressor starts operating for 30 seconds Stop valve of outdoor unit is closed Decrease of power supply volt age Looseness disconnection or converse of compressor wiring connection Defective fan of indoor outdoor units Short cycle of indoor outdoor units Defective input circuit of out door controller board Defective compressor Defective outdoor power circuit board Dip switch setting difference of outdoor controller circuit board Open stop valve Check facility of power supply Correct the wiring U V W phase to compressor Refer to 11 9 Outdoor power circuit board Check indoor outdoor fan Solve short cycle Replace outdoor controller circuit board x Before the replacement of the outdoor con troller circuit board disconnect the wiring to compressor from the outdoor power circuit board and check the output voltage among phases U V W during test run No defect on board if voltage among phases U V V W and W U is same Make sure to perform the voltage check with same per forming frequency Check compressor Refer to 11 6 Replace outdoor power circuit board Check the dip switch setting of outdoor con troller circuit board Remote controller transmission error E0 signal receiving error E4 Abnormal if main or sub remote control ler c
60. 2 capacitor band fixing screws 4 x 10 and fixing remove the capacitor screws x The reactor and capacitor are attached to the rear of the electrical parts box Capacitor CB Capacitor band fixing screws 13 Removing the pressure sensor 63HS HRP71 100VHA2 Figure 3 LEV coil LEV C 1 Remove the service panel See Figure 1 Remove the top panel See Figure 1 3 LEV coil LEV A 3 Pull out the lead wire of pressure sensor 4 5 High pressure switch 63L Thermistor lt outdoor pipe gt TH33 Bypass valve coil SV Bypass valve LEV LEV coil LEV B Recover refrigerant Remove the melded part of pressure sensor Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the pressure sensor make sure to cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxi dized 4 way valve coil 2184 4 way valve Low pressure switch 63L Pressure sensor 63HS 108 OPERATING PROCEDURE PHOTOS 14 Removing the compressor MC Photo 12 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 2 front cover panel fixing screws 5 x 10 and Separator Valve bed Compressor MC remove the front cover panel See Photo 3 4 Remove 2 back
61. 2LO3INO_ Connection Terminal lt L1 L2 L3 N Power Supply gt SWP Switch lt Pump Down gt TH6 Thermistor lt Outdoor 2 Phase Pipe gt GD1 GD3_ Connection Terminal lt Ground gt CN31 Connector lt Emergency Operation gt TH7 Thermistor lt Outdoor gt CONV B Converter Circuit Board LED1 LED2 LED lt Operatiion Inspection Indicators gt LEV A LEV B LEV C Electronic Expansion Valve L1 A1 IN Connection Terminal lt L1 Power Supply gt Fi F4 Fuse lt T6 3AL250V gt ACL1 ACL4 Reactor L1 A2 OU Connection Terminal lt L1 Power Supply gt CNM Connector lt A Control Service Inspection Kit gt CB1 CB2 Main Smoothing Capacitor L2 A2 OU Connection Terminal lt L2 Power Supply gt CNMNT Connector CK Capacitor L3 A2 0U Connection Terminal lt L3 Power Supply gt lt Connect to Optional M NET Adapter Board gt CY1 CY2 Capacitor N IN Connection Terminal CNVMNT_ Connector RS Rush Current Protect Resistor CK OU Connection Terminal lt Connect to Optional M NET Adapter Board gt CNDM Connector M NET ADAPTER lt Connection for Option Contact Input gt TB7 Terminal Block lt M NET connection gt SW12 Switch lt Address setting 2nd digit gt CN3S Connector lt Connection for Option gt CN5 Connector lt Transmission gt LED1 LED lt Power Supply DC5V gt CN51 Connector lt Connection for Option gt CND Connector lt Power Supply gt LED2 LED lt Connection to Outdoor Unit gt SS Connector lt Connection for Option gt CN2M Connector lt M NET communication gt LED3 LED lt Trans
62. 40 Indoor unit Liquid pipe temperature Unit No 4 39 88 C t 41 42 Indoor unit Cond Eva pipe temperature Unit No 1 39 88 0 is displayed if the target unit is not present 43 Indoor unit Cond Eva pipe temperature Unit No 2 39 88 C t 44 Indoor unit Cond Eva pipe temperature Unit No 3 39 88 Cc t 45 Indoor unit Cond Eva pipe temperature Unit No 4 39 88 C t 46 47 48 Thermostat ON operating time 0 999 Minutes 49 Test run elapsed time 0 120 Minutes lt Not possible to activate maintenance mode during the test run 91 D 3 ane Y Request content nesenption Unit Remarks Display range aa 50 Indoor unit Control state Refer to 13 2 1 Detail Contents in Request Code 51 Outdoor unit Control state Refer to 13 2 1 Detail Contents in Request Code 52 Compressor Frequency control state Refer to 13 2 1 Detail Contents in Request Code 53 Outdoor unit Fan control state Refer to 13 2 1 Detail Contentsin Request Code _ 54 Actuator output state Refer to 13 2 1 Detail Contents in Request Code 55 Error content U9 Refer to 13 2 1 Detail Contents in Request Code _ 56 57 58 59 60 Signal transmission demand capacity 0 255 61 Contact d
63. 6 T23456 T23456 Refrigerant 0 1 2 3 4 5 6 7 address efooooos oosoos ooosos Yoomsos ooooes oosome oooomes oose s ore mm fore me for for mm os mmmmorl fore mm for mI fore ooo 123456 123456 123456 123456 123456 123456 123456 123456 8 9 10 11 12 13 14 15 9 4 3 Regulations in address settings In case of multiple grouping system M NET and refrigerant address settings should be done as explained in the above sec tion Set the lowest number in the group for the outdoor unit whose refrigerant address is 00 as its M NET address Group A Group B Group C Ni Refrigerant address 00 M NET address 04 Refrigerant Refrigerant System NN address 00 address 01 controller M NET Power address 02 address 03 Supply unit for transmission wire A control remote controller A control remote controller x Refrigerant addresses can be overlapped if they are in the different group A control remote controller Refrigera address 0 Refrigerant address 02 Refrigerant mm Refrigerant System address 00 address 01 M NET M NET Power address 01 address 02 supply unit for transmission wire A control remote controller M NET address 05 A control remote x In group B M NET address of the outdoor unit whose refrigerant address is 00 is not set to the minimum in t
64. 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs 15 gt t Indoor pipe temperature Cond Eva TH5 on error occurring V YHA 39 88 Pressure saturation temperature Te3Hs on error occurring V YHA2 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs 15 gt Outdoor pipe temperature Cond Eva TH6 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 G 0 5 secs 0 5secs 2 secs gt 15 gt Outdoor outside temperature TH7 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 G 0 5 secs 0 5secs 2 secs 515 gt Outdoor heatsink temperature TH8 on error occurring 40 200 40 200 When the temperature is 0 C or less and temperature are displayed by turns When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns 80
65. 999 When it is 100 hours or more hundreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 X10 hours 0 5 secs 0 5secs 2 gt 45 gt 2 secs Compressor operating current 0 50 0 50 xOmit the figures after the decimal fractions Compressor operating frequency 0 225 0 255 When it is 100Hz or more hundreds digit tens digit and ones digit are displayed by turns Example When 125Hz 0 5 secs 0 5secs 1 gt 25 gt 2 secs LEV A opening pulse 0 480 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 150 pulse 0 5 secs 0 5secs a gt 50 gt 2 secs Error postponement code history 1 of outdoor unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Operation mode on error occurring 75 Operation mode of when operation stops due to error is displayed by setting SW2 like below Sw2 ON 123456 Code display SW2 setting Display detail Explanation for display Pipe temperature Liquid TH3 on error occurring 40 90 40 90 When the coil thermisto
66. 999 10 hours 110 Compressor Number of operation times at time of error 0 9999 100 times 111 Discharge temperature at time of error 3 217 Cc 112 Outdoor unit Liquid pipe 1 temperature TH3 at time of error 40 90 c 113 Outdoor unit Liquid pipe 2 temperature at time of error 40 90 G 114 Outdoor unit 2 phase pipe temperature TH6 attime oferror 39 88 c 115 116 Outdoor unit Outside air temperature TH7 at time of error 39 88 C 117 Outdoor unit Heatsink temperature TH8 attime of error 40 200 C 118 Discharge superheat SHd at time of error 0 255 c 119 Sub cool SC at time of error 0 130 Cc 120 Compressor Operating frequency at time of error 0 255 Hz 124 Outdoor unit at time of error 0 10 Step e Fan output step 120 Outdoor unit at time of error p 0 _9999 ibi lt Fan 1 speed Only for air conditioners with DC fan 123 Outdoor unit at time of Sor p 0 _ 9999 rom O is displayed if the air conditioner is a single lt Fan 2 speed Only for air conditioners with DC fan fan type 124 125 LEV A opening at time of error 0 500 Pulses 126 LEV B opening at time of error 0 500 Pulses 127 128 129 Pressure saturation temperature TesHs at time of error 39 88 G 130 Thermostat ON time until operation stops due to error 0 999 Minutes 131 132 Indoor Liquid pipe temperature at time of error 39 88 c Average va
67. C or less temperature are displayed by turns Indoor room temperature TH1 8 39 77 SW2 setting Display detail Explanation for display ON Indoor setting temperature 17 30 Outdoor pipe temperature Cond Eva TH6 V YHA 39 88 Pressure saturation temperature Tesrs V YHA2 39 88 39 88 When the temperature is 0C or less and temperature are displayed by turns Outdoor outside temperature TH7 39 88 39 88 When the temperature is 0C or less and temperature are displayed by turns Outdoor heatsink temperature TH8 40 200 40 200 When the temperature is 0 C or less and temperature are displayed by turns When the thermistor detects 100 C or more hundreds digit tens digit and ones digit are displayed by turns Discharge superheat SHd 0 255 Cooling TH4 TH6 Eee 2 WAT V YHA Cooling TH4 TesHs kee Ta Tes V YHA2 0 255 When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns Sub cool SC 0 130 Cooling TH6 TH3 yyyHA Heating TH5 TH4 Heating TesHs TH2 0 130 When the temperature is 100 C or more hundreds digit tens digit and ones digit are displayed by turns Input current of outdoor unit 0 500 When it is 100 or more hundreds di
68. C2 inga Wa 5 WHT 1 3 RED 1 2 1 3 RED ACLI TB1 INNA LH LO1 RED u2 Loz pee POWER SUPPLY up u YY ans us at ati ACLS 400V 50Hz u rr N NO jl i 1 BLU GD1 oe PNK BLU ACL4 2 LIYA m M NET ADAPTER TB7 Terminal Block lt M NET connection gt SW12 Switch lt Address setting 2nd digit gt CN5 Connector lt Transmission gt LED1 LED lt Power Supply DC5V gt CND Connector lt Power Supply gt LED2 LED lt Connection to Outdoor Unit gt CN2M Connector lt M NET communication gt LED3 LED lt Transmission Sending gt SW1 Switch lt Status of communication gt LED4 LED lt Transmission Receiving gt SW11 Switch lt Address setting 1st digit gt LED5 LED lt Power Supply DC12V gt 17 9 WIRING SPECIFICATIONS 9 1 FIELD ELECTRICAL WIRING power wiring specifications Outdoor unit model HRP71V HRP100VHA HRP100VHA2 HRP100 125Y Outdoor unit power supply N single 50 Hz N single 50 Hz 3N 8phase 50 Hz 230 V 230 V 400 V 32A 40A 16A Outdoor unit input capacity Main switch Breaker Outdoor unit power supply 3 x Min 4 3 x Min 6 5 x Min 1 5 Indoor unit Outdoor unit 3 x 1 5 Polar 3 x 1 5 Polar 3 x 1 5 Polar Indoor unit Outdoor unit earth 1 x Min 1 5 1 x Min 1 5 1 x Min 1 5 Remote controller Indoor unit 2 x 0 3 Non polar 2 x 0 3 Non polar 2 x 0 3 Non polar Outdoor unit L N single Outdoor unit L N N L3 N 3
69. CHECK ieran blinks and the error code is output button It takes 3 seconds at most for error ser reser agek code to appear 4 Point the remote controller at the The check mode is cancelled sensor on the indoor unit and press the ON OFF button 30 Refer to the following tables for details on the check codes Output pattern A Beeper sounds Beep Beep Beep Beep Beep Beep Beep OPERATION Ill eos as ard sr N Ine a jst 2nd Repeated INDICATOR gg Se go SS lamp blink Off On O On On Off On On pattern Self check Approx 2 5 sec 0 5 sec 0 5 sec 0 5 sec 0 5 sec Approx 2 5 sec 0 5sec 0 5 sec starts N Z Start signal f oie N ene received Number of blinks beeps in pattern indicates the check Number of blinks beeps in pattern indicates code in the following table i e n 5 for P5 the check code in the following table Output pattern B Beeper sounds Beep Beep Beep Beep Beep Beep Beep operation JLI es las fed fel Sor ARS Jas 2 Repeated INDICATOR l lamp blink lt gt lt gt lt gt gt seer Off On On On On On Off On On On pattern Self check Approx 2 5 sec Approx 3 sec 0 5 sec 0 5 sec 0 5 sec 0 5 sec Approx 2 5 sec Approx 3sec 0 5 sec 0 5 sec starts x J Start signal boa di 7 oa received Number of blinks beeps in pattern indicates the check Number of blinks beeps in pattern i
70. CLEAR S J J Selecting functions using the wired remote controller Check the function selection setting Switch to function setting mode X Press and at the same time with the remote controller stopped X For modes 15 and higher press and at the same time Specify refrigerant address 00 outdoor unit Specify unit No 00 indoor unit Use and O Specified indoor unit FAN operation Enter the setting Press Change refrigerant Select mode No 02 address or unit No room temperature detection position Select setting No 03 remote controller fixed Use and Example Selecting room temperature detection position Enter the setting Press End function display gt lt Press and at the same time The above procedure must be carried out only if changes are necessary 85 Operating Procedure Check the setting items provided by function selection If settings for a mode are changed by function selection the functions of that mode will be changed accordingly Check all the current settings according to steps to fill in the Check column in Table 1 then change them as necessary For initial settings refer to the indoor unit s installation manual Switch off the remote controller lt Hold down the FILTER C mode is 15 to 28 and TEST buttons simulta
71. F There are no corresponding units Frequency control state Display Discharge temperature Condensation temperature Anti freeze Heatsink temperature overheat prevention overheat prevention protection control overheat prevention 0 1 Controlled 2 Controlled 3 Controlled Controlled 4 Controlled 5 Controlled Controlled 6 Controlled Controlled 7 Controlled Controlled Controlled 8 Controlled 9 Controlled Controlled A Controlled Controlled b Controlled Controlled Controlled C Controlled Controlled d Controlled Controlled Controlled E Controlled Controlled Controlled F Controlled Controlled Controlled Controlled Fan control state Request code 53 Data display 010 Fan step correction value by heatsink temperature overheat prevention control Fan step correction value by cool condensation temperature overheat prevention control Display Correction value minus 1 0 0 1 1 2 2 Actuator output state Request code 54 Data display 9 0 x Actuator output state Actuator output state Actuator output state D Actuator output state Display SV1 Four way valve Compressor Compressor Display 52C Sv2 ss warming up
72. Fan motor fixing screws motor Propeller Fan motor fixing screws 3 Removing the electrical parts box 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Disconnect the indoor outdoor connecting wire and power supply wire from terminal block 4 Disconnect the connectors on the controller circuit board 5 Remove the terminal cover and disconnect the compressor lead wire 6 Remove 2 electrical parts box fixing screws 4 x 10 and detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 hook on the right Photo 3 Noise filter circuit Controller circuit board N F board C B Electrical parts box Electrical parts box fixing screw Terminal block TB1 Terminal block TB2 110 OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 4 Disassembling the electrical parts box 1 Disconnect all the connectors on the controller circuit board 2 Remove the 3 screws screw and that fix the plate equipped with the outdoor controller circuit board and the electrical parts box screw from the front and the screw and from the bottom of the electrical parts box See Photo 4 and 5 3 Slide the plate in the direction of the arrow A and remove it See Photo 4 4 Remove the lead wires from the clamp on the bottom of the electrical parts box See Photo 6 5
73. If the outdoor unit starts defrosting during this period cold air will blow out from the indoor unit Do not perform emergency cooling operation for more than 10 hours Neglecting this could result in freezing the heat exchanger in indoor unit 3 Emergency operation procedure Turn the main power supply off Turn on the emergency operation switch SWE on indoor controller board Set the shorting pins of emergency operation connector CN31 on outdoor controller board to ON Use SW4 2 on outdoor controller board to set the operation mode cooling or heating SW4 1 is not used SW4 CN31 ON Heating ON B O Shorting pins 1 2 Cooling OFF Turning the main power supply on will start the emergency operation I SW4 4 Releasing emergency operation ON Heating Turn the main power supply off Set the emergency operation switch SWE on indoor controller board to OFF Set the shorting pins of emergency operation connector CN31 on outdoor controller board to OFF Set SW4 2 on outdoor controller board as shown in the right 1 2 _ Cooling lf shorting pins are not set on emergency operation connector CN31 the setting remains OFF 58 5 Operation data during emergency operation During emergency operation no communication is performed with the indoor unit so the data items needed for operation are set to the following values Operation data Operation mode Remar
74. MITSUBISHI ELECTRIC SPLIT TYPE HEAT PUMP AIR CONDITIONERS SERVICE MANUAL R410A Outdoor unit model names PUHZ HRP71VHA PUHZ HRP100VHA PUHZ HRP100YHA PUHZ HRP125YHA PUHZ HRP71VHA2 PUHZ HRP100VHA2 PUHZ HRP100YHA2 PUHZ HRP125YHA2 PUHZ HRP71VHA Service Ref PUHZ HRP71VHA PUHZ HRP100VHA PUHZ HRP100YHA PUHZ HRP125YHA PUHZ HRP71VHA2 PUHZ HRP100VHA2 PUHZ HRP100YHA2 PUHZ HRP125YHA2 Changes for the Better September 2008 No OCH425 REVISED EDTION A Revison lt PUHZ HRP71 100VHA2 and Some descriptions have been PUHZ HRP100 125YHA2 are added in REVISED EDITION A modified lt Please void OCH425 NOTE e This manual describes only RoHS compliant products have service data of the outdoor units lt G gt mark on the spec name plate CONTENTS 1 TECHNICAL CHANGES 2 2 REFERENCE MANUALL 2 ih 3 SAFETY PRECAUTION 3 if ARNEL ATURE Sie eee 7 Ht 5 SPEGIFICATIONG a nn 8 aon GEDATAT rb T A Wp A AR AA 9 pin 7 OUTLINES AND DIMENSIONS 12 8 WIRING DIAGRAM 14 H 9 WIRING SPECIFICATIONS 18 10 REFRIGERANT SY
75. Opening a valve all the way 1 1 A Pulse number Extra tightning about 32 pulse 56 3 How to attach and detach the coil of linear expansion valve lt Composition gt Linear expansion valve is separable into the main body and the coil as shown in the diagram below Stopper Main body Coil Lead wire lt How to detach the coil gt Hold the lower part of the main body shown as A firmly so that the main body does not move and detach the coil by pulling it upward Be sure to detach the coil holding main body firmly Otherwise pipes can bend due to pressure lt How to attach the coil gt Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to main body At this time be careful that stress is not added to lead wire and main body is not wounded by lead wire If the stopper is not firmly attached to main body coil may be detached from the main body and that can cause defective operation of lin ear expansion valve To prevent piping stress be sure to attach the coil holding the main body of linear expansion valve firmly Otherwise pipe may break 57 11 8 EMERGENCY OPERATION 1 When the error codes shown below are displayed on outdoor unit or microcomputer for wired remote controller or indoor unit has a failure but no other p
76. RESH MASTER indoor unit detects abnormality when indoor unit transmits signal to FRESH MASTER and there was no reply ACK During sequential operation of indoor unit and FRESH MASTER of other refrigerant system if indoor unit transmits signal to FRESH MASTER while outdoor unit power sup ply of same refrigerant sys tem with FRESH MASTER is turned off or within 2 minutes of restart abnormality is detected Contact failure of transmission wire of indoor unit or FRESH MASTER Disconnection of transmission connector CN2M of indoor unit or FRESH MASTER Defective transmitting receiving circuit of indoor unit or FRESH MASTER If displayed address or attribute is LOSSNAY indoor unit detects abnormality when indoor unit transmits signal to LOSSNAY and there was no reply ACK If the power supply of LOSSNAY is off indoor unit detects abnormality when it transmits signal to LOSSNAY During sequential operation of indoor unit and LOSSNAY of other refrigerant system if indoor unit transmits signal to LOSSNAY while outdoor unit power supply of same refrig erant system with LOSSNAY is turned off or within 2 min utes of restart abnormality is detected Contact failure of transmis sion wire of indoor unit of LOSSNAY Disconnection of transmission connector CN2M of indoor unit Defective transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attrib
77. RP35 50 60 100 125BA1 UK BA 2 UK PLA RP100 125BA2 UK OCH412 OCB412 PKA RP60 100FAL PKA RPSOFAL2 PKA RP60 100FAL PKA RPSOFAL2 0C331 PEAD RP50 60 71 125EA PEAD RP100EA2 PEAD RP50 60 71 125EA UK PEAD RP100EA2 UK HWE05210 PEAD RP60 71 100GA 2 2 TECHNICAL DATABOOK Manual No OCS11 PEAD RP60 71 100GA UK HWE05060 3 SAFETY PRECAUTION 3 1 ALWAYS OBSERVE FOR SAFETY Before obtaining access to terminal all supply circuits must be disconnected 3 2 CAUTIONS RELATED TO NEW REFRIGERANT Cautions for units utilizing refrigerant R410A Use new refrigerant pipes Do not use refrigerant other than R410A In case of using the existing pipes for R22 be careful with If other refrigerant R22 etc is used chlorine in refrige the followings rant can cause deterioration of refrigerant oil etc Be sure to perform replacement operation before test run Change flare nut to the one provided with this product Use a newly flared pipe Avoid using thin pipes Use a vacuum pump with a reverse flow check valve Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc Make sure that the inside and outside of refrige rant piping is clean and it has no contamination Use the following tools specifically designed for such as sulfur hazardous for use oxides dirt use with R410A refrigerant
78. Remove the 3 screws screw and that fix the bottom side of the electrical parts box and remove the bottom side plate by sliding in the direction of the arrow B See Photo 6 and 7 6 Remove the 2 screws screw and Q that fix the plate equipped with the noise filter circuit board and converter circuit board See Photo 8 Note When reassembling the electrical parts box make sure the wirings are correct Photo 5 Bottom plate of electrical parts box Screw a Screw Electrical parts Heatsink gt box Photo 7 Noise filter rah Converter ae board circuit board F CONV B Power circuit board P B Electrical Photo 4 parts box Controller circuit board C B A Photo 6 Clamp sassa Screw Bottom plate of electrical parts box Photo 8 Electrical parts box Screw SS wO 111 OPERATING PROCEDURE PHOTOS 5 Removing the thermistor lt Outdoor 2 phase pipe gt TH6 and thermistor lt Outdoor gt TH7 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Disconnect the connectors TH7 6 red on the controller circuit board in the electrical parts box 4 Loosen the 2 wire clamps on top of the electrical parts box 5 Pull out the thermistor lt Outdoor 2 phase pipe gt TH6 and thermistor lt Outdoor gt TH7 from the sensor holder Note In case of replacing thermistor lt Outdoor 2 phase p
79. STEM DIAGRAM 23 Hh 11 TROUBLESHOOTING 25 if 12 FUNCTION SETTING 83 H f 13 MONITORING THE OPERATION DATA BY THE REMOTE CONTROLLER 90 14 EASY MAINTENANCE FUNCTION 100 Wh E ai 15 DISASSEMBLY PROCEDURE 105 Pp PARTS CATALOG OCB425 PUHZ HRP100VHA PUHZ HRP100YHA PUHZ HRP125YHA Mr SUN 1 TECHNICAL CHANGES PUHZ HRP 71VHA gt PUHZ HRP 71VHA2 PUHZ HRP100VHA gt PUHZ HRP100VHA2 lt Add pressure sensor 63HS Compressor MC has been changed ANB33FJCMT ANB33FJEMT Thermistor Discharge TH4 has been changed Fan motors MF1 2 have been changed Fan grilles have been changed Electrical parts have been changed Controller circuit board C B Power circuit board P B Noise filter circuit board N F and active filter module ACTM including P B PUHZ HRP100YHA gt PUHZ HRP100YHA2 PUHZ HRP125YHA gt PUHZ HRP125YHA2 lt Add pressure sensor 63HS Compressor MC has been changed ANB33FJBMT ANB383FJDMT Thermistor Discharge TH4 has been changed Fan motors MF1 2 have been changed Fan grilles have been changed e Controller circuit board C B have been changed 2 REFERENCE MANUAL 2 1 INDOOR UNIT SERVICE MANUAL Model name Service Ref Service Manual No PLA RP35 50 60 100 125BA PLA RP100 125BA2 PLA
80. T module drive circuit of outdoor power circuit board HRP71 100V Disconnection or loose connec tion of CNAF HRP71 100VHA Disconnection or loose connection of CN5 on the outdoor power circuit board Defective 52C drive circuit of outdoor power circuit board HRP100 125Y Disconnection or loose connection of CN2 on the outdoor power circuit board Defective outdoor converter cir cuit board HRP100 125Y Check the facility of power supply Correct the wiring U V W phase to com pressor Refer to 11 9 Outdoor power circuit board Replace noise filter circuit board HRP71 100VHA Check CN52C wiring Replace ACT module HRP71 100VHA Replace outdoor power circuit board HRP71 100V Check CNAF wiring HRP71 100VHA Check CN5 wiring on the outdoor power circuit board Refer to 11 9 Replace outdoor power circuit board HRP100 125Y Check CN2 wiring on the outdoor power circuit board Refer to 11 9 Replace outdoor converter circuit board HRP100 125Y Overheat protection Abnormal if outdoor pipe thermistor TH3 condensing temperature Tesxs only V YHA2 detects 70 C or more during com pressor operation Defective outdoor fan fan motor or short cycle of outdoor unit during coling operation Defective outdoor pipe thermistor TH3 condens ing temperature Tesxs only V YHA2 Defective outdoor controller board Check outdoor unit air pas
81. Tc Ta Heating TH4 TH5 Td 50 Degree of subcooling SC Cooling TH6 TH3 Ta 45 Heating TH5 TH2 50 45 5 deg lt VHA2 YHA2 gt Discharge superheat SHd Cooling TH4 Tesrs Tc Te Heating TH4 TesHs Td Tf Degree of subcooling SC Cooling TesHs TH3 Te 45 Heating TesHs TH2 Tf 45 11 9 TEST POINT DIAGRAM Outdoor controller circuit board PUHZ HRP71VHA SW7 Demand control setting SW6 Model select SW4 Test operation SWP Pump down SW8 Pipe replace Wiring replace CNM amp Connect to A control service tool CNMNT Connect to M NET adapter CN5 CNVMNT Connect to M NET adapter CND LEV A B C Linear expansion valve 63L PUHZ HRP100VHA lt CAUTION gt TEST POINTO is high voltage SW1 Forced defrost detect history record reset refrigerant address PUHZ HRP100YHA WARM MAS ASKS LMS oo seo boeno 2000o SW5 reds gt Function switch S r g I a SSS e Saa ai E Low pressure switc TH Thermistor lt Discharge gt T3 Thermistor lt Outdoor pipe gt TH7 6 Thermistor lt Outdoor 2 phase pipe gt 63H High pressure switch TH32 TH33 Thermistor lt Outdoor pipe gt Vera Voltage between oR y S oss i right pins of PC5C and PCS5D pin 3 and pin 4 Same as CNF1 Vsp Volta
82. To display the updated data carry out step 4 again Canceling the Monitoring the operation data 6 While Maintenance monitor is displayed press the CHECK button for 3 seconds to return to maintenance mode 7 To return to normal mode press the ON OFF button 90 13 2 REQUEST CODE LIST Certain indoor outdoor combinations do not have the request code function therefore no request codes are displayed sg 8 ak y Request content Description Unit Remarks Display range a 0 Operation state Referto 13 2 1 Detail ContentsinRequest Code 1 Compressor Operating current rms 0 50 A 2 Compressor Accumulated operating time 0 9999 10 hours 3 Compressor Number of operation times 0 9999 100 times 4 Discharge temperature TH4 3 217 c 5 Outdoor unit Liquid pipe 1 temperature TH3 40 90 C 6 Outdoor unit Liquid pipe 2 temperature 40 90 C 7 Outdoor unit 2 phase pipe temperature TH6 39 88 c 8 Outdoor unit Suction pipe temperature TH32 39 88 C 9 Outdoor unit Outside air temperature TH7 39 88 C 10 Outdoor unit Heatsink temperature TH8 40 200 C 11 12 Discharge superheat SHd 0 255 C 13 Sub cool SC 0 130 Cc 14 Pressure saturation temperature TesHs 39 88 c
83. annot receive normally any trans mission from indoor unit of refrigerant address 0 for 3 minutes Error code E0 Abnormal if sub remote controller could not receive any signal for 2 minutes Error code E0 Abnormal if indoor controller board can not receive normally any data from remote controller board or from other indoor controller board for 3 minutes Error code E4 Indoor controller board cannot receive any signal from remote controller for 2 minutes Error code E4 Contact failure at transmission wire of remote controller All remote controllers are set as sub remote controller In this case E0 is displayed on remote controller and E4 is displayed at LED LED1 LED2 on the outdoor controller circuit board Miswiring of remote controller Defective transmitting receiving circuit of remote controller Defective transmitting receiv ing circuit of indoor controller board of refrigerant address 0 Noise has entered into the transmission wire of remote controller Check disconnection or looseness of indoor unit or transmission wire of remote controller Set one of the remote controllers main if there is no problem with the action above Check wiring of remote controller e Total wiring length Max 500m Do not use cable x 3 or more The number of connecting indoor units Max 16 units e The number of connecting remote control ler Max 2 units When
84. arator to the side of the fan motor slightly See Photo 16 5 Disconnect the lead wires from the reactor and remove the 4 screws screw 09 that fix the reactor to remove the reactor See photo 17 and 18 Note 1 The reactor is very heavy 4kg Be careful when handling it Note 2 The reactor box is also removable Photo 16 Electrical parts box Photo 17 Propeller Reactor box Electrical parts bok Reactor box Separator Screw Reactors N 1 Reactor box 115 OPERATING PROCEDURE PHOTOS 15 Removing the compressor MC 1 Remove the service panel See Figure 1 Photo 19 2 Remove the top panel See Figure 1 3 Remove 2 front cover panel fixing screws 5 x 10 and Seu Salve Bea Compressor MC remove the front cover panel See Photo 3 4 Remove 2 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 3 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 8 Remove 3 separator fixing screws 4 x 10 and remove the separator 9 Remove the soundproof cover for compressor 10 Remove the terminal cover and remove the compressor lead wire 11 Recover refrigerant 12 Remove the 3 points of the compressor
85. at is OFF Stop Set fan speed Fan speed when the Set fan speed cooling thermostat is OFF Stop Detection of abnormality of Available the pipe temperature P8 Not available Mode No 11 Setting No Settings PLA BA 2 Vane No 3 setting Less smudging No Vanes Downward position than the standard Vane No 1 setting Standard Less draft Upward position than the standard Vane No 2 setting Be careful of the smudge on ceiling 84 12 1 1 Selecting functions using the wired remote controller First try to familiarize yourself with the flow of the function selection procedure In this section an example of setting the room temperature detection position is given For actual operations refer to steps to Setting number A MITSUBISHI ELECTRIC Refrigerant address Unit number baag N O Aga V TEMP CQ ON OFF CV OCA gt Tipe GOBE OM ENU ON OFF hal D FILTER a Gv CA Modes 01 to 14 can be activated by pressing buttons and simultaneously and modes 15 to 28 by pressing buttons and Q DHA Cc C BAG MONITORISET DAY Sane Seal CHECK TEST Cc C O ov PAR 21MAA _ CLOCK V OPERATION A J
86. ay e lt L1 A2 L2 A2 L3 A2 L1 OU L2 OU L3 OU Connect to the ACL1 ACL2 ACL3 Connect to the outdoor power circuit board TB L1 L2 L3 67 P Active filter module Connect to the outdoor power PUHZ HRP71VHA circuit board TABP2 PUHZ HRP100VHA L1 L2 Connect to the DCL Reactor Upper side D Connect to the outdoor power circuit board TABP1 Connection and Tester check points YY LYELL N1 Non connect Z i k d Z v uk AG eA Lower side N2 Non connect Connect to the outdoor Connect to the outdoor eae ae board CNAF l power circuit board TABN1 15 V DC Cane AN Q Control signal power circuit board TABN2 Not used Control signal internal circuit diagram of Acive filter module 1 The symptom w 2 SW2 setting Error condition Normal value reference Symptom when the unit is in trouble and lo open less than 1Q The unit does not operate can not be switched ON short 100kQ 1MQ The breaker operates Sardar open x1 The unit does not operate can not be switched ON U9 Abnormal stop 2 short 100kQ 1MQ The breaker operates calles open x1 The unit does not operate can not be switched ON U9 Abnormal stop 2 short 100kQ 1MQ The breaker operates anes open x1 The unit does not operate can not be switched ON U9 Abnormal stop 2 short 100kQ 1MQ
87. box fixing screw BN Terminal block TB1 Valve bed III Screw Terminal cover Compressor MO 105 OPERATING PROCEDURE PHOTOS 4 Removing the thermistor lt Outdoor 2 phase pipe gt TH6 and thermistor lt Outdoor gt TH7 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Disconnect the connectors TH7 6 red on the controller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electri cal parts box 5 Pull out the thermistor lt Outdoor 2 phase pipe gt TH6 and thermistor lt Outdoor gt TH7 from the sensor holder Note In case of replacing thermistor lt Outdoor 2 phase pipe gt TH6 or thermistor lt Outdoor gt TH7 replace Photo 4 Heat exchanger Thermistor 1 Remove the service panel See Figure 1 2 Disconnect the connector TH4 white on the controller cir cuit board in the electrical parts box 3 Loosen clamps for the lead wire in the rear of the electri cal parts box and the separator See Photo 4 4 Pull out the thermistor lt Discharge gt TH4 from the sensor holder Thermistor lt Discharge gt Compressor MC it together lt Outdoor 2 phase pipe gt TH6 Photo 5 pa Clamp Lead wire of iiermistor Electrical lt Outdoor gt lt a TH7 parts box Sensor holder 5 Removing the thermistor lt Discharge gt TH4 Photo 6 S
88. ces maintenance work drastically Enables you to check operation data of the indoor and outdoor units by remote controller Furthermore use of maintenance stable operation control that fixes the operating frequency allows smooth inspection even for inverter models Smooth Mainte nance Function Discharge temperature 64 C Conventional inspection work sa MITSUBISHI ELECTR Outdoor unit indoor unit AUTDOOR Unit ta HENC TEMF i the intake air fir temperature uu a gt 6 Wi 7 oon PI TEMP DONOFF D s C Easy maintenance information unit 6 Accumulated operating Heat exchanger Intake air temperature time x10 hours temperature C temperature C Number of Ba 6 Discharge I Heat exchanger times x10 times temperature C temperature C Operatin Outside air Filter operatin p g a p g current A temperature C time Hours The filter operating time is the time that has elapsed since the filter was reset 14 1 MAINTENANCE MODE OPERATION METHOD Ifyou are going to use 14 2 GUIDE FOR OPERATION CONDITION set the airflow to High before activating maintenance mode Switching to maintenance mode Maintenance mode can be activated either when the air conditioner is operated or stopped It cannot be activated during test run x Maintenance information can be viewed even if the air conditioner is stopped
89. cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 3 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel 8 Remove 3 separator fixing screws 4 x 10 and remove the separator 9 Remove the soundproof cover for compressor 10 Remove the terminal cover and remove the compressor lead wire 11 Recover refrigerant 12 Remove the 3 points of the compressor fixing nut using a panner or a adjustable wrench Compressor fixing nut Power receiver 13 Remove the welded pipe of compressor inlet and outlet then remove the compressor Note Recover refrigerant without spreading it in the air 15 Removing the power receiver Photo 13 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 2 front cover panel fixing screws 5 x 10 and remove the front cover panel See Photo 3 4 Remove 2 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 3 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit then remove the rig
90. ct to the compres Connect to the smooth Connect to DCL Connect to the 220 240 V AC Voltage of 220 240 V AC sor MC Voltage among ing capacitor CB earth Connect to the out is input Connect to the phases 10 V 180 V AC door controller circuit terminal block TB1 board CNAC 65 Outdoor power circuit board PUHZ HRP100YHA PUHZ HRP125YHA PUHZ HRP100YHA2 PUHZ HRP125YHA2 CN5 Detection of primary current Connect to the outdoor noise filter CN4 Connect to the outdoor controller circuit board CN4 circuit board CNCT CN7 Connect to the outdoor converter circuit board CN7 Brief Check of POWER MODULE x Usually they are in a state of being short circuited if they are broken Measure the resistance in the following points connectors etc If they are short circuited it means that they are broken 1 Check of POWER MODULE Check of DIODE circuit L1 P1 L2 P1 L3 P1 L1 N4 L2 N1I IL3 IN1 Check of IGBT circuit P2 U P2 V IP2 W N2 U N2 V IN2 W Note The marks Li L2 L3 IN1 IN2 P1 P2 U V and W shown in the diagram are not actually printed on the board CN2 Connect to the outdoor controller circuit board CN2
91. d during DC fan motor operation Fan motor rotational frequency is abnor mal if 100 rpm or below detected continuously for 15 seconds at 20 C or more outside air temperature 50 rpm or below or 1500 rpm or more detected continuously for 1 minute Failure in the operation of the DC fan motor Failure in the outdoor circuit controller board Check or replace the DC fan motor Check the voltage of the outdoor circuit controller board during operation Replace the outdoor circuit controller board When the failure is still indicated even after performing the action above Overvoltage or voltage shortage and synchronous signal to main circuit Abnormal if any of followings are detected during compressor operation e Decrease of DC bus voltage to 310V HRP71 100V only lt Instantaneous decrease of DC bus voltage HRP71 100V 200V HRP100 125Y 350V lt Increase of DC bus voltage to HRP71 100V 400V HRP100 125Y 760V e Decrease of input current of outdoor unit to 0 1A only if operation frequency is more than or equal to 40Hz or compressor current is more than or equal to 6A Check U9 error detail SW2 all ON Refer to 11 10 Decrease of power supply voltage Disconnection of compressor wiring Defective noise filter circuit board HRP71 100VHA Disconnection or loose connec tion of CN52C HRP71 100V Defective ACT module HRP71 100VHA Defective AC
92. d into indoor outdoor connecting wire or power supply Startup time over Re check error by turning off power and on again 2 blinking Indoor outdoor unit communication error signal receiving error is detected by in door unit Check if indoor outdoor connecting wire is connected correctly Check if noise entered into indoor outdoor connecting wire or Indoor outdoor unit communication error transmitting error is detected by indoor unit power supply Check if noise entered into indoor outdoor controller board Indoor outdoor unit communication error signal receiving error is detected by outdoor unit Re check error by turning off power and on again Indoor outdoor unit communication error transmitting error is detected by outdoor unit 3 blinking Remote controller signal receiving error is detected by remote controller Check if connecting wire of indoor unit or remote controller is connected correctly Remote controller transmitting error is detected by remote controller Check if noise entered into transmission wire of remote controller Remote controller signal receiving error is detected by indoor unit Re check error by turning off power and on again Remote controller transmitting error is detected by indoor unit 4 blinking Error code is not defined Check if remote controller is MA remote controller PAR 21MAA Check if noise entered in
93. d part can be removed easily by removing the right side panel Bypass valve coil SV Bypass valve 13 Removing the pressure sensor 63HS HRP100 125YHA2 Figure 3 LEV coil LEV C EV Remove the service panel See Figure 1 Remove the top panel See Figure 1 A LEV coil LEV A 3 Pull out the lead wire of pressure sensor High pressure 4 5 Thermistor lt outdoor pipe gt TH33 Bypass valve coil SV Bypass valve LEV Recover refrigerant switch 63L Remove the melded part of pressure sensor i i ing iti 4 wa Note 1 Recover refrigerant without spreading it in the Sanay coil 2184 air LEV coil LEV B Note 2 The welded part can be removed easily by 4 way valve removing the right side panel Low pressure N i 9 i 9 p Pressure switch 63L ote 3 When installing the pressure sensor make sensor 63HS sure to cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxi dized 114 OPERATING PROCEDURE PHOTOS 14 Removing the reactors ACL1 ACL2 ACL3 1 Remove the service panel See xFigure 1 2 Remove the top panel See Figure 1 3 Remove the 6 screws that fix the front panel and remove the front panel 4 Remove the 2 screws screw and both 4 x 10 that fix the separator screw from the valve bed and screw from the bottom of the separator and tilt the sep
94. d until the power supply is turned off Turn off the power supply circuit breaker 10 2 Unit replacement operation When reusing the existing pipes that carried R22 refrigerant for the HRP71 HRP100 and HRP125 models replacement operation must be performed before performing a test run If new pipes are used these procedures are not necessary During replacement operation C5 is displayed on A Control Service Tool PAC SK52ST Replacement operation procedures Turn on the power supply Set DIP switch SW8 2 on the control board of the outdoor unit to ON to start replacement operation e The replacement operation is performed using the cooling system Cool air will flow from the indoor unit during the replace ment operation lt During the replacement operation test Run is displayed on the remote controller and LED1 green and LED2 red on the control board of the outdoor unit blink together Replacement operation requires at least 2 hours to complete After setting switch SW8 2 to ON the unit automatically stops after 2 hours lt Replacement operation can be performed repeatedly by setting switch SW8 2 from OFF to ON Make sure to perform the operation more than 2 hours If the operation is performed less than 2 hours the existing pipes cannot be cleaned enough and the unit may be damaged lt If replacement operation is performed over 2 hours this action is recorded into nonvolatile memory of control board Set
95. door units will stop and the problem is shown in the remote controller display CHECK and the refrigerant address are displayed on the Geena temperature display and the error code and unit number are displayed alternately as shown below If the outdoor unit is malfunctioning the unit number will be 00 e In the case of group control for which one remote controller controls ji TEMP DONOFF multiple refrigerant systems the refrigerant address and error code of CV O TA S C the unit that first experienced trouble i e the unit that transmitted S Oe OO CO the error code will be displayed 2 AN CAN CSD C A ki To clear the error code press the button pama ocrock Teaia Je Alternating Display ERROR GODE meo oa LILI Error code 2 or 4 digits Address 3 digits or unit number 2 digits When using remote local controller combined operation cancel the error code after turning off remote operation During central control by a MELANS controller cancel the error code by pressing the MD ON OFF button 11 3 2 Self Diagnosis During Maintenance or Service Since each unit has a function that stores error codes the latest check code can be recalled even if it is cancelled by the remote controller or power is turned off Check the error
96. e 3 min utes after compressor start and 6 minutes after the liquid or condenser evaporator pipe is out of cooling range Note 1 It takes at least 9 minutes to detect Note 2 Abnormality P8 is not detected in drying mode Cooling range Indoor pipe temperature TH2 or TH5 room temperature TH1 lt 3 C TH Lower temperature between liquid pipe temperature and condenser evaporator temperature lt Heating mode gt When 10 seconds have passed after the compressor starts operation and the hot adjustment mode has finished the unit is detected as abnormal when condenser evaporator pipe temperature is not in heat ing range within 20 minutes Note 3 It takes at least 27 minutes to detect abnormality Note 4 It excludes the period of defrosting Detection restarts when defrosting mode is over Heating range 3 C Condenser Evaporator temperature TH5 room temperature TH1 Slight temperature difference between indoor room temperature and pipe lt liquid or condenser evaporator gt temperature thermistor Shortage of refrigerant e Disconnected holder of pipe lt liquid or condenser evaporator gt thermistor e Defective refrigerant circuit Converse connection of extension pipe on plural units connection Converse wiring of indoor outdoor unit connecting wire on plural units connection Defective detection of indoor room temperature and pipe lt condenser evaporator gt temperature
97. e Replace the indoor controller board e Check if there is miswiring or breaking of wire e Replace the indoor power board Symptoms Nothing is displayed on the remote controller Diagnosis flow LED display of the indoor controller board LED1 LED2 LED3 or Inspection method and troubleshooting Check the voltage between S1 and S2 on the terminal block TB4 of the indoor unit which is used to connect the indoor unit and the outdoor unit AC 198V to AC 264V7 gt NO Check the status Not lighting of the indoor controller gt board LED3 displa Check the looseness or disconnection of the indoor outdoor connecting wire Blinking Are there looseness or disconnection of the indoor utdoor connecting wire Check the refrigerant address of the outdoor unit SW1 3 to 1 6 Is the refrigeran address 0 Check the LED display of the outdoor unit after turning on the main power again Not displayed Is anything displayed Displayed Is EA or Eb NO displayed YES Is E8 displayed NO Can the unit be restarted an all the indoor unit be operated Check the voltage between S2 and S3 on the terminal block of the outdoor unit DC 17V to DC 28V n YES 47 e Breaking or poor contact of the indoor outdoor c
98. e airflow direction doesn t change Up down vane left right louver 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed The air conditioner starts operating even though any buttons pressed on the remote controller are not Check if you set ON OFF timer The air conditioner starts operating at the time designated if ON timer has been set before Check if any operations are ordered by distant control system or the central remote controller While CENTRALLY CONTROLLED INDICATOR is displayed on the remote controller the air conditioner is under the control of external directive There might be a case that CENTRALLY CONTROLLED INDICATOR will not be displayed Check if power is recovered from power failure black out The units will automatically start operating when power is recovered after power failure black out occurs This function is called power failure automatic recovery The air conditioner stops even though any buttons on the remote controller are not pressed Check if you set ON OFF timer The air conditioner stops operating at the time designated if OFF timer
99. e error by signal collision damage Abnormal if transmitting signal is not possible for 8 10 minutes continuously because of collision of transmission 2 Data could not reach transmission wire for 8 10 minutes continuously because of noise or etc Note The address and attribute displayed at remote controller indicate the con troller that detected abnormality Transmission processor could not transmit signal because short cycle voltage of noise and the like have entered into transmission wire continuously Transmission quantity has increased and transmission of signal is not possible because there was wiring mistake of terminal block for transmission wire TB3 and terminal block for central control TB7 in out door unit Transmission are mixed with others and occupation rate on transmission wire rose because of defective repeater a function to connector or dis connect transmission of control and central control system of outdoor unit then abnormality is detected Check if transmission wire of indoor unit FRESH MASTER LOSSNAY or remote con troller is not connected to terminal block for central control TB7 of outdoor unit Check if transmission wire of indoor unit FRESH MASTER or LOSSNAY is not con nected to terminal block for transmission wire of outdoor unit Check if terminal block for transmission wire TB3 and terminal block for central control TB7 is not connected Check transmission
100. e on the right Indoor unit Capacity setting information Request code 163 Data display 0 0 E gt See the table on the right Display Model setting state Display Model setting state 00 PSA RP GA PSH PGAH 20 01 21 PKA RP FAL 2 PKH P FALH 02 PEAD RP EA 2 GA PEHD P EAH 22 PCA RP GA 2 PCH P GAH PLA RP BA 2 03 SEZ KA VA 23 04 24 05 SLZ KA VA L 25 06 PCA RPsHA 26 07 27 08 28 09 29 0A 2A Ob 2b PKA RP GAL PKH P GALH 0c 2C 0d 2d OE 2E OF 2F PLA RP AA 10 30 11 PEA RP EA 31 PLH P AAH 12 MEXZ GA VA L 32 13 33 14 34 15 35 16 36 PLA RP AA2 17 37 18 38 19 39 1A 3A 1b 3b 1C 3C 1d 3d 1E 3E 1F 3F Display Capacity setting state Display Capacity setting state 00 12 10 112 01 16 11 125 02 22 12 140 03 25 13 04 28 14 05 32 15 06 35 36 16 07 40 17 08 45 18 09 50 19 0A 56 1A Ob 63 1b 0c 71 1C Od 80 1d OE 90 1E OF 100 1F Wireless pair No indoor control board side setting Request code 165 Data display 0 0 a See the table on the right Display Pair No setting state 00 No 0 01 No 1 J41 disconnected 02 No 2 J42 disconnected 03 No 3 J41 J42 disconnected 99 14 EASY MAINTENANCE FUNCTION Redu
101. eaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board CNS Check disconnection looseness or breaking of connection wire between outdoor controller circuit board CNMNT and M NET board CND Check M NET transmission wiring method Error Code Abnormal point and detection method Case Judgment and action Freezing overheating protection is working Overheating protection lt Heating mode gt Abnormal if condensing temperature of pressure sensor 63HS detects Tcond C or more and compressor oper ation frequency is less than or equal to 25 Hz Detection is inoperative during defrosting Overcharge of refrigerant Defective refrigerant circuit clogs Malfunction of linear expansion valve Reduced water flow Clogged filter Leakage of water High temperature Over load Inlet water is too warm Defective water pump is in the case that the unit is used as Air to water stage c MO Check operating condition of refrigerant circuit Check linear expansion valve Check water piping Check water pump Dika aaa GQ haqa asa Ambient temperature TH C stage a stage c stage d stage e stage f stage g 63 61 60 59 57 51 Pipe temperature lt Cooling mode gt Detected as abnormal when the pipe tem perature is not in the cooling rang
102. eck if stop valve is fully open Turn the power off and check if U3 is dis played when the power is turned on again When U3 is displayed refer to Judgement and action for U3 Check linear expansion valve Refer to 11 6 After recovering refrigerant remove water from entire refrigerant circuit under vacuum more than 1 hour Open short circuit of discharge temperature thermistor TH4 Abnormal if open 3 C or less or short 217 C or more is detected during compressor operation Detection is inoperative for 10 minutes of compressor starting process and for 10 minutes after and during defrosting Disconnection or contact failure of connector TH4 on the outdoor controller circuit board Defective thermistor Defective outdoor controller circuit board 34 Check connection of connector TH4 on the outdoor controller circuit board Check breaking of the lead wire for thermistor TH4 Refer to 11 9 Check resistance value of thermistor TH4 or temperature by microcomputer Thermistor TH4 Refer to 11 6 SW2 on A Control Service Tool Refer to 11 10 Replace outdoor controller board Error Code Abnormal point and detection method Case Judgment and action U4 TH3 5105 TH6 5107 TH7 5106 TH8 5110 TH32 5105 TH33 5105 Open short of outdoor unit thermistors TH3 TH32 TH33 TH6 TH7 and TH8 Abnormal if open or short is detected duri
103. eck transmission waveform or noise on transmission wire Turn off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again If mal function was accidental the unit returns to normal If the same abnormality generates again controller of displayed address and attribute may be defective Countermeasure 1 Remote controller display does not work DC12V is not supplied to remote controller Power supply display is not indicated on LCD DC12 15V is supplied to remote controller however no display is indicated e PLEASE WAIT is not displayed e PLEASE WAIT is displayed Check LED2 on indoor controller board 1 When LED2 is lit Check the remote controller wiring for breaking or contact failure 2 When LED2 is blinking Check short circuit of remote controller wiring 3 When LED2 is not lit Refer to No 3 below Check the following lt Failure of remote controller if PLEASE WAIT is not displayed lt Refer to No 2 below if PLEASE WAIT is displayed 2 PLEASE WAIT display is remained on the remote controller QAt longest 2 minutes after the power supply PLEASE WAIT is displayed to start up Communication error between the remote controller and indoor unit Communication error between the indoor and outdoor unit Outdoor unit protection device connector is open
104. ector lt M NET communication gt ig To 1MODEL SELECT SW1 Switch lt Status of communications ACTM INDOOR MODEL Swe SW5 6 2 SW11 Switch lt Address setting 1st digit gt UNIT SW12 Switch lt Address setting 2nd digit gt ON INI ON E LEDI LED lt Power Supply DC5V gt POWER SUPPLY 71V OF BNN NUN OFF z 12345678 123456 LED2 LED lt Connection to Outdoor Unit gt N 230V 50Hz LED3 LED lt Transmission Sending gt ON ON LED4 LED lt Transmission Recelving gt 100V OFF eee leo OFF N LED5 LED lt Power Supply DC12V gt 12345678 123456 x2 SW5 1 to 5 Function Switch 14 PUHZ HRP100YHA PUHZ HRP125YHA
105. ed capacity Defective transmitting receiving circuit of outdoor controller circuit board Defective transmitting receiving circuit of indoor controller board Defective indoor power board 2 or more outdoor units have refrigerant address 0 In case of group control Noise has entered into power supply or indoor outdoor unit connecting wire Start up time over The unit cannot finish start up process within 4 minutes after power on Contact failure of indoor outdoor unit connecting wire Diameter or length of indoor outdoor unit connecting wire is out of specified capacity 2 or more outdoor units have refrigerant address 0 In case of group control Noise has entered into power supply or indoor outdoor unit connecting wire 33 Check disconnection or looseness or polar ity of indoor outdoor unit connecting wire of indoor and outdoor units Check diameter and length of indoor outdoor unit connecting wire Total wiring length 80m including wiring connecting each indoor unit and between indoor and outdoor unit Also check if the connection order of flat cable is S1 S2 S3 Check the number of indoor units that are connected to one outdoor unit If EA is detected Turn the power off once and on again to check Replace outdoor controller circuit board indoor controller board or indoor power board if abnormality occurs again Check if refrigerant add
106. el Kk Service panel Grille fixing screws T Fan grille Grille ea i fixin III Hees Service panel fixing screws PUHZ HRP71 100VHA 2 Removing the fan motor MF1 MF2 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 5 fan grille fixing screws 5 x 10 to detach the fan grille See Figure 1 4 Remove a nut for right handed screw of M6 to detach the propeller See Photo 1 5 Disconnect the connectors CNF1 CNF2 on controller cir cuit board in electrical parts box 6 Remove 4 fan motor fixing screws 5 x 25 to detach the fan motor See Photo 2 Photo Pr Photo 2 Fan Fan motor fixing screws motor 1 Front panel opeller Fan motor fixing screws Removing the electrical parts box 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Disconnect the indoor outdoor connecting wire and power supply wire from terminal block 4 Disconnect all connectors from controller circuit board 5 Remove the terminal cover and disconnect the compressor lead wire 6 Remove 1 electrical parts box fixing screw 4 x 10 and detach the electrical parts box by pulling it upward The electrical parts box is fixed with 2 hooks on the left and 1 hook on the right Photo 3 Controller circuit board C B Electrical Wi parts box _ Electrical parts
107. eless remote controller toward the sensor of the indoor unit and press the button The sensor operation indicator will blink and beeps will be heard to indicate the current setting number Current setting number 1 1 beep one second 2 2 beeps one second each 3 3 beeps one second each If a mode number that cannot be recognized by the unit is entered 3 beeps of 0 4 seconds will be heard Reenter the mode number If the signal was not received by the sensor you will not hear a beep or a double ping sound may be heard Reenter the mode number Select the setting number Press the temp button to select the setting number 02 Not available Direct the wireless remote controller toward the receiver of the indoor unit and press the __ button The sensor operation indicator will blink and beeps will be heard to indicate the the setting number Setting number 1 2 beeps 0 4 seconds each 2 2 beeps 0 4 seconds each repeated twice 3 2 beeps 0 4 seconds each repeated 3 times If a setting number that cannot be recognized by the unit is entered the setting will turn back to the original setting If the signal was not received by the sensor you will not hear a beep or a double ping sound may be heard Reenter the setting number Repeat steps and to make an additional setting without changing unit number Repeat steps to to change unit number and make function settings on it Complete
108. emand capacity Refer to 13 2 1 Detail Contents in Request Code _ 62 External input state silent mode etc Refer to 13 2 1 Detail Contents in Request Code 63 64 65 66 67 68 69 70 Outdoor unit Capacity setting display Refer to 13 2 1 Detail Contents in Request Code 71 Outdoor unit Setting information Refer to 13 2 1 Detail Contents in Request Code 72 73 Outdoor unit SW1 setting information Refer to 13 2 1 Detail Contents in Request Code 74 Outdoor unit SW2 setting information Refer to 13 2 1 Detail Contents in Request Code _ 75 76 Outdoor unit SW4 setting information Refer to 13 2 1 Detail Contents in Request Code 77 Outdoor unit SW5 setting information Refer to 13 2 1 Detail Contentsin Request Code m 78 Outdoor unit SW6 setting information Refer to 13 2 1 Detail Contents in Request Code 79 Outdoor unit SW7 setting information Refer to 13 2 1 Detail Contents in Request Code 80 Outdoor unit SW8 setting information Refer to 13 2 1 Detail Contents in Request Code 81 Outdoor unit SW9 setting information Refer to 13 2 1 Detail Contents in Request Code _ 82 Outdoor unit SW10 setting information Refer to 13 2 1 Detail Contentsin Request Code _ 83 84 M NET adapter connection presence absence Bail Narain 85 86 87 88 89 Display of execution of replace wash operation eae paar 90 Outdoor unit Microcomputer version information Examples Ver 5 01 0501 Ver Auxil
109. en Check piping and repair defect Check outdoor unit and repair defect Check the detected temperature of outside temperature thermistor on LED display SW2 on A Control Service Tool Refer to 11 10 Turn the power off and check F5 is displayed when the power is turned again When F5 is displayed refer to Judgment and action for F5 Check linear expansion valve Refer to 11 6 8 Replace outdoor controller board High discharging temperature 1 Abnormal if discharge temperature ther mistor TH4 exceeds 125 C or 110 C continuously for 5 minutes Abnormal if discharge temperature ther mistor TH4 exceeds 110 C or more continuously for 30 seconds after 90 seconds have passed since the defrost ing operation started 2 Abnormal if discharge superheat Cooling TH4 TH5 Heating TH4 TH6 V YHA Cooling TH4 Te3Hs Heating TH4 Te3Hs V YHA2 exceeds 70 C continuously for 10 min utes Overheated compressor opera tion caused by shortage of refrigerant Defective operation of stop valve Defective thermistor Defective outdoor controller board Defective action of linear expansion valve Clogging with foreign objects in refrigerant circuit x Clogging occur in the parts which become below freez ing point when water enters in refrigerant circuit Check intake superheat Check leakage of refrigerant Charge additional refrigerant Ch
110. ent is changed please start Initial learning O about 1 minute and cancel Then please start Judgment of refrigerant leakage mode lt How to reset the initial condition data gt When the unit is removed and installed again or refrigerant is charged additionally the Initial learning must be performed again by following procedure 1 Turn Main Power OFF 2 Connect the pin of CN31 to ON position on the outdoor controller board 3 Turn SW4 1 on the outdoor controller board to ON 4 Turn Main Power ON to reset the initial data After reset the data please turn pin of CN31 and SW4 1 to original OFF position lt Caution gt 1 On the following condition the operation cannot be stabillized and judgment of cheking operation may not be accurate a Outdoor temperature 2 40 C or Room temperature 23 C b Air flow setting is not High notch 2 Please check the operation and unit status when the operation is not stabilized after more than 45 minutes 104 15 DISASSEMBLY PROCEDURE PUHZ HRP71VHA PUHZ HRP100VHA PUHZ HRP71VHA2 PUHZ HRP100VHA2 OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 1 Removing the service panel and top panel 1 Remove 3 service panel fixing screws 5 x 10 and slide the hook on the right downward to remove the service panel 2 Remove screws 3 for front 3 for rear 5 x 10 of the top panel and remove it Figure 1 Top panel fixing screws Top pan
111. eparator Muffler 6 Removing the thermistor lt Outdoor pipe gt TH3 TH32 TH33 1 Remove the service panel See Figure 1 2 Disconnect the connectors TH3 white and TH32 black TH33 yellow on the controller circuit board in the electri cal parts box 3 Loosen clamps for the lead wire in the rear of the electrical parts box See Photo 4 and separator See Photo 6 3 Loosen clamp for the lead wire for TH3 4 Pull out the thermistor lt Outdoor pipe gt TH3 TH32 TH33 from the sensor holder TH33 See Photo 10 Photo 8 Low pressure switch 63L Thermistor lt Outdoor pipe gt TH32 Photo 7 Thermistor lt Outdoor pipe gt TH3 Clamp for TH3 Power receiver 106 OPERATING PROCEDURE PHOTOS 7 Removing the 4 way valve coil 21S4 and linear expansion valve coil LEV A LEV B LEV C 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 Removing the 4 way valve coil 3 Remove 4 way valve coil fixing screw M4 x 6 4 Remove the 4 way valve coil by sliding the coil toward you 5 Disconnect the connector 21S4 green on the controller cir cuit board in the electrical parts box Removing the linear expansion valve coil 3 Remove the linear expansion valve coil by sliding the coil upward 4 Disconnect the connectors LEV A white LEV B red and LEV C blue on the controller circuit board
112. er joint or adjust the piping size by brazing When using existing pipes for HRP71 100 125 Make sure that DIP SW8 2 on outdoor unit controller board is set to ON and perform replacement operation xChemical compounds containing chlorine left in existing pipes are collected by replace filter eThe air conditioner automatically performs cooling operation through replace filter for about 2 hours 2 Cautions for refrigerant piping work New refrigerant R410A is adopted for replacement inverter series Although the refrigerant piping work for R410A is same as for R22 exclusive tools are necessary so as not to mix with different kind of refrigerant Furthermore as the working pressure of R410A is 1 6 time higher than that of R22 their sizes of flared sections and flare nuts are different Thickness of pipes Because the working pressure of R410A is higher compared to R22 be sure to use refrigerant piping with thickness shown below Never use pipes of 0 7mm or below Diagram below Piping diameter and thickness Thickness mm Nominal dimensions inch Outside diameter mm 1 4 6 35 3 8 9 52 12 70 15 88 19 05 Dimensions of flare cutting and flare nut The component molecules in HFC refrigerant are smaller compared to conventional refrigerants In addition to that R410A is a refrigerant which has higher risk of leakage because its working pressure is higher than that
113. er temperature COOL C HEAT c i Filter operating time Time 5 7 Decorative panel Good Cleaning required 2 e Filter Good Cleaning required T Fan Good Cleaning required Heat exchanger Good Cleaning required Sound vibration None Present The filter operating time is the time that has elapsed since the filter was reset Judgment coat Hat Check item Normal Normal operation state Filter inspection Filter may be clogged 1 Inspection A Performance has dropped Detailed in spection is necessary Inspection B Refrigerant amount is dropping Inspection C Filter or indoor heat exchanger may be clogged The above judgement is just guide based on Japanese standard conditions It may be changed depending on the indoor and outdoor temperature 1 Itmay be judged as filter inspection due to the outdoor and indoor temperature even though itis not clogged Enter the temperature differences between and into the graph given below Operation state is determined according to the plotted areas on the graph For data measurements set the fan speed to Hi before activat ing maintenance mode Result Classification Inspection Is D000 displayed stably on the remote Stable Unstable controller 3 Temperature Discharge temperature Outdoor c O difference heat exchanger temperature Indoor inta
114. essive temp erature rise of condensing temperature Frosting preventing control Preventive control for excessive temp erature rise of radiator panel Example The following controls are activated e Primary current control e Preventive control for excessive tempe rature rise of condensing temperature e Preventive control for excessive tempe rature rise of heatsink Code display LEV C opening pulse 0 480 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns 82 12 FUNCTION SETTING 12 1 UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER Each function can be set according to necessity using the remote controller The setting of function for each unit can only be done by the remote controller Select function available from the table 1 1 Functions available when setting the unit number to 00 Select 00 referring to setting the indoor unit number x1 The functions below are available only when the wired remote controller is used The functions are not available for floor standing models lt Table 1 gt Function selections Initial setting when sent from the factory Remarks Function Settings Mode No Setting No Power failure OFF automatic recovery ON 01 Indoor temperature Average data from each indoor unit i Data from the indoor unit with remote controller 02 Data from main remote con
115. fixing nut using a spanner or a adjustable wrench ixi Power receiver 13 Remove the welded pipe of compressor inlet and outlet Compressor fixing nut then remove the compressor Note Recover refrigerant without spreading it in the air 16 Removing the power receiver ae Photo 20 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 Pipes of power receiver 3 Remove 2 front cover panel fixing screws 5 x 10 and i remove the front cover panel 4 Remove 2 back cover panel fixing screws 5 x 10 and remove the back cover panel 5 Remove the electrical parts box See Photo 3 6 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 and then remove the valve bed 7 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and then remove the right side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 x 10 Note Recover refrigerant without spreading it in the air Compressor J MC Receiver leg l fixing screws Receiver leg Power receiver sfa MITSUBISHI ELECTRIC CORPORATION HEAD OFFICE TOKYO BLDG 2 7 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN Copyright 2007 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Sep 2008 No OCH425 REVISED EDITION A PDF 7 Distributed in Oct 2007 No OCH425 PDF 8
116. for both the mode number and setting number and gg blinks in the room temperature display area a transmission error may have occurred LIH TIGIH ge Check to see if there are any sources of noise or interference near the transmission path If you wish to continue to select other functions repeat steps to Complete function selection Hold down the FILTER C mode is 15 to 28 and TEST buttons simultaneously for at least 2 seconds After a while the function selection screen will disappear and the air condi tioner OFF screen will reappear Do not operate the remote controller for at least 30 seconds after completing function selection No operations will be accepted even if they are made Note If a function of an indoor unit is changed by function selection after installation is complete make sure that a O mark etc is given in the Check column of Table 1 to indicate the change 86 12 1 2 Selecting functions using the wireless remote controller Type C Functions can be selected with the wireless remote controller Function selection using wireless remote controller is available only for refriger ant system with wireless function Refrigerant address cannot be specified by the wireless remote controller Flow of function selection procedure Flow of function selection procedure The flow of the function selection procedure is shown below This
117. formation Refer to 13 2 1 Detail Contents in Request Code 163 Indoor unit Capacity setting information Refer to 13 2 1 Detail Contents in Request Code 164 Indoor unit SW3 information Undefined 165 Wireless pair No indoor control board side setting Refer to 13 2 1 Detail Contents in Request Code 166 Indoor unit SW5 information Undefined _ 167 189 190 Indoor unit Microcomputer version information Examples Ver 5 01 0501 Ver 191 Indoor unit Microcomputer version information sub No Auxiliary information displayed after version information _ Examples Ver 5 01 A000 A000 192 764 765 Stable operation Heat mode This request code is not provided to collect data It is used to fix the operation state 766 Stable operation Cool mode This request code is not provided to collect data It is used to fix the operation state 767 Stable operation cancellation This request code is not provided to collect data It is used to cancel the operation state that has been fixed by request codes 765 and 766 94 13 2 1 Detail Contents in Request Code 55 mm LILI Operation state Request code 0 Data display C 4 Operation mode Operation mode Display Operation mode 0 STOP FAN C COOL DRY H HEAT d DEFROST Relay output state Relay output state
118. g and ascertain the cause of the trouble according to 11 5 Troubleshooting by inferior phenomena Not logged Continue to operate unit for the time being if the cause is not ascertained There is no abnormality concerning of parts such as electrical component controller board remote controller and etc 11 2 CHECK POINT UNDER TEST RUN 1 Before test run After installation of indoor and outdoor units piping work and electric wiring work re check that there is no refrigerant leak age loosened connections and incorrect polarity lt Measure impedance between the ground and the power supply terminal block L N on the outdoor unit by 500V Megger and check that it is 1 0MQ or over Don t use 500V Megger to indoor outdoor connecting wire terminal block S1 S2 S3 and remote controller terminal block 1 2 This may cause malfunction lt Make sure that test run switch SW4 is set to OFF before turning on power supply e Turn on power supply 12 hours before test run in order to protect compressor e For specific models which requires higher ceiling settings or power failure automatic recovery make proper changes of set tings referring to the description of Selection of Functions through Remote Controller Make sure to read operation manual before test run Especially items to secure safety 25 TEST RUN and the currently selected operation mode are displayed altemately
119. g or previous forced defrost finished lt Pipe temperature is less than or equal to 8C Forced defrost will finish if certain conditions are satisfied Forced defrost can be done if above conditions are satisfied when DIP SW1 1 is changed from OFF to ON After DIP SW1 1 is changed from OFF to ON there is no problem if DIP SW1 1 is left ON or changed to OFF again This depends on the service conditions 69 f Action by the switch operation EET Function ON OFF Effective timing No function Power failure automatic recovery 2 Auto recovery No auto recovery When power supply ON No function Model select Following SW5 6 reference SW7 1 SW7 2 Demand swich ON Setting of demand OFF OFF 0 Operation stop rie ON OFF 50 Always OFF ON 75 lt V YHA gt Max Hz setting cooling Max Hz cooling x 0 8 Normal Always lt V YHA2 gt Defrost Hz setting Defrost Hz x 0 54 Normal Always Max Hz setting heating Max Hz heating x 0 8 Normal Always Breaker capacity setting x5 32A 40A When power supply ON Defrost setting For high humidity Normal Always No function Function switch Valid Normal Always No function E Dip switch Model seleci
120. ge between pins of C5A C5B Pool DC OV when stopped DC 1 6 5V when operated s s Q wo OO iso 3 pm a CNF1 CNF2 Connect to the fan motor 280V DC 15V DC 0 6 5V DC 15V DC When stopped 7 5V DC When operated OV 15V pulse 280V DC M Outdoor power circuit board for HRP71 100V Noise filter circuit board for HRP100 125Y 60 PUHZ HRP125YHA CN51 External signal output e Compressor operat ing signal e Abnormal signal CNDM to Input of low level sound priority mode O to Input of external con tact point CN52C M Connect to the noise fil ter circuit board CN52C HRP71 100V CN4 Transmission to out door power circuit board CN4 SV2 Bypass valve 2194 Four way valve CN2 Connect to the outdoor power circuit board CN2 Reception from power circuit board Zero cross signal 0 5V DC Not used HRP100 125Y 18V DC HRP71 100V Power supply for outdoor controller circuit board 220V 240V AC to Power supply for indoor and outdoor unit connec tion wire 220 240V AC CNS 1 S2 220 240V AC Communication power supply D71 Voltage 24V DC Outdoor controller circuit board PUHZ HRP71VHA2 PUHZ HRP100VHA2 PUHZ HRP100YHA2 PUHZ HRP125YHA2 SW1 CN51 SW7 Forced defrost detect histor i y
121. gerant comes into contact with a flame poisonous gases will be released If the refrigerant is charged from gas phase composition change may occur in refrigerant and the efficiency will be lowered 1 Cautions for service 1 Perform service after recovering the refrigerant left in unit completely 2 Do not release refrigerant in the air 3 After completing service charge the cycle with specified amount of refrigerant 4 When performing service install a filter drier simultaneously Be sure to use a filter drier for new refrigerant 2 Additional refrigerant charge When charging directly from cylinder Check that cylinder for R410A on the market is syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase 3 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant Tool name Specifications Gauge manifold Only for R410A Use the existing fitting specifications UNF 1 2 Use high tension side pressure of 5 3MPa G or over Charge hose Only for R410A Use pressure performance of 5 09MPa G or over Electronic scale Gas leak detector Use the detector for R134a R407C or R410A Adaptor for reverse flow check Attach on vacuum pump Refrigerant charge base Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinde
122. git tens digit and ones digit are displayed by turns LEV B opening pulse 0 480 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Targeted operation frequency 0 255 0 255 When it is 100Hz or more hundreds digit tens digit and ones digit are displayed by turns DC bus voltage 180 370 180 370 When it is 100V or more hundreds digit tens digit and ones digit are displayed by turns 78 SW2 setting Display detail Explanation for display Capacity save 0 255 When air conditioner is connected to M NET and capacity save mode is demanded 0 100 is displayed When there is no setting of capacity save 100 is displayed 0 255 When the capacity is 100 hundreds digit tens digit and ones digit are displayed by turns Example When 100 0 5 secs 0 5secs 2 secs 1 gt 00 Error postponement code history 2 of outdoor unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Error postponement code history 3 of outdoor unit Postponement code display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement
123. h lt Forced Defrost Defect History Record M NET ADAPTER TH4 Thermistor lt Discharge gt Reset Refrigerant Address gt SYMBOL NAME TH6 Thermistor lt 2 Phase gt SW4 Switch lt Test Operation gt 187 Terminal Block lt M NET connection gt TH7 Thermistor lt Ambient gt SW5 Switch lt Function Switch gt CNS Connector lt Transmission gt TH32 Thermistor lt Suction gt SW6 Switch lt Model Select gt ee Se TH33 Thermistor lt Ref check gt SW Switch lt Function Setup gt Swi Sea SIS of ats LEV A LEV BLEV C Electronic Expansion Valve SW8 Switch lt Function Setup gt Swit Switch lt Address setting 1st digits DCL Reactor Sw9 Switch SW12 Switch lt Address setting 2nd digit gt CB Main Smoothing Capacitor SWP Switch lt Pump Down gt LED1 LED lt Power Supply DC5V gt CY1 CY2 Capacitor CN31 Connector lt Emergency Operation gt LED2 LED lt Connection to Outdoor Unit gt LED3 LED lt Transmission Sending gt LED4 LED lt Transmission Recelving gt LEDS LED lt Power Supply DC12V gt LEV C When M NET adapter is connected 63HS ooo NF 63H 63L Swit TH33 TH32 TH7 TH6 TH3 THA LEVA LEV B CNS Da mmmn QO LAN M C B i Ji REE LL A TA 5 LeD2 sem H I a Queo SWI mt Hiara i2 T Ca T2 24 ee 3 r E E S Biss TH33 TH32 TH7 6 TH3 THA 63HS LEVA LEV B CNMNT CNMNT 2 m e ZS M NET SUBSTRATE MW BLK RED WHT WHT WHT WHT RED WHT WD saa CNF2 63L i e Me 4 rau La RED de o5 penvsscassscad SORE 3 YLW 5 WHT
124. harge gt Thermistor TH6 lt Outdoor 2 phase pipe gt Thermistor TH7 lt Outdoor gt Thermistor TH8 lt Heatsink gt Thermistor TH32 lt Outdoor pipe gt Thermistor TH33 lt Outdoor pipe gt Disconnect the connector then measure the resistance with a tester At the ambient temperature 10 C 30 C Normal 160kQ 410kQ Abnormal TH4 TH3 TH6 TH7 TH32 TH33 TH8 Open or short 4 3kQ 9 6kQ 39kQ 105kQ Fan motor MF1 MF2 Refer to next page Solenoid valve coil lt Four way valve gt 21S4 Measure the resistance between the terminals with a tester At the ambient temperature 20 C Normal Abnormal 1435 1500 Open or shori Motor for compressor MC Measure the resistance between the terminals with a tester Winding temperature 20 C Normal HRP71 100V HRP100 125Y 0 188 Q 0 302 Q Abnormal Open or short Linear expansion valve LEV A LEV B LEV C Disconnect the connector then measure the resistance with a tester Winding temperature 20 C Normal Abnormal Gray Black Gray Red Gray Yellow Gray Orange 46 3Q Open or short Solenoid valve coil lt Bypass valve gt SV Measure the resistance between the terminals with a tester At the ambient temperature 20 Normal Abnormal 1197 10Q Open or short
125. has been set before Check if any operations are ordered by distant control system or the central remote controller While CENTRALLY CONTROLLED INDICATOR is displayed on the remote controller the air conditioner is There might be a case that CENTRALLY CONTROLLED INDICATOR will not be displayed under the control of external directive 51 Phone Calls From Customers How to Respond Awhite mist is expelled from the indoor unit This is not a malfunction This may occur when the operation gets started in the room of high humidity Water or moisture is expelled from the outdoor unit Cooling when pipes or piping joints are cooled they get sweated and water drips down Heating water drips down from the heat exchanger Make use of optional parts Drain Socket and Drain pan if these water needs to be recovered and drained out for once The display of wireless remote controller gets dim or doesn t come on The indoor unit doesn t receive a signal from remote controller at a long distance Batteries are being exhausted Replace them and press the reset button of remote controller 52 11 6 HOW TO CHECK THE PARTS PUHZ HRP71VHA PUHZ HRP100VHA PUHZ HRP71VHA2 PUHZ HRP100VHA2 PUHZ HRP100YHA PUHZ HRP100YHA2 PUHZ HRP125YHA PUHZ HRP125YHA2 Parts name Check points Thermistor TH3 lt Outdoor pipe gt Thermistor TH4 lt Disc
126. he group As 3 is right for this situation the setting is wrong Taking group A as a good sample set the minimum M NET address in the group for the outdoor unit whose refrigerant address is 00 22 10 REFRIGERANT SYSTEM DIAGRAM PUHZ HRP71VHA PUHZ HRP100VHA PUHZ HRP100YHA PUHZ HRP125YHA PUHZ HRP71VHA2 PUHZ HRP100VHA2 PUHZ HRP100YHA2 PUHZ HRP125YHA2 High pressure sensor 63HS Thermistor TH7 only for HRP HA2 Heat exchanger q Outdoor N Thermistor Solenoid valve TH6 D Four way valve j Outdoor 2 phase pipe Ball valve Refrigerant GAS pipe gt connection B Charge plug 5 8 inch High pressure Thermistor TH3 Outdoor pipe Charge plug Muffl i Low pressure lt ja High pressure Distributor switch 63H i Low pressure I ya SS Theiristor y Thermistor TH33 M O TH32 N Outdoor pipe Outdoor pipe Strainer 100 Strainer 100 Thermistor TH4 Discharge Strainer Strainer 100 Linear expansion valve B SY Compressor Injection port receiver Restrictor Refrigerant Strainer LIQUID pipe lt 5 valve connection Strainer Lin r Heat interchange circuit wu L S 3 8 inch Stop valve 100 expansion valve C X with service port Refrigerant flow in cooling Refrigerant flow in heating 23 10 1 Refrigerant recovering pump
127. he operation data ata MITSUBISHI ELECTRIC Example Request code 004 Discharge temperature 69 C o Refrigerant address 00 ON OFF mm d 5 Tipe OO38e OMENU OON OFF hll N FILTERS am gt am Sana Seat CEK TEST 1 A Maintenance mode vmak MO Oo B Refrigerant address PAR 21MAA 7 QN C Data display area 4 2 6 D Request code display area 1 Press the TEST button for 3 seconds so that Maintenance mode appears on the screen at 2 Press the CHECK button for 3 seconds to switch to Maintenance monitor Note It is not possible to switch to Maintenance monitor during data request in maintenance mode i e while is blinking since no buttons are operative Operating the service inspection monitor appears on the screen at when Maintenance monitor is activated The display at now allows you to set a request code No 3 Press the TEMP buttons C gt and A to select the desired refrigerant address 4 Press the CLOCK buttons C D gt and C A to set the desired request code No 5 Press the FILTER button to perform data request The requested data will be displayed at in the same way as in maintenance mode Data collected during operation of the remote controller will be displayed The collected data such as temperature data will not be updated automatically even if the data changes
128. he operation lock setting valid on the normal screen it is necessary to press buttons Press and hold down the FILTER and ON OFF buttons at the same time for 2 seconds on the normal screen after the above setting is made 2 Use of automatic mode setting When the remote controller is connected to the unit that has auto matic operation mode the following settings can be made To switch the setting press the OON OFF button ON Initial setting value The automatic mode is displayed when the operation mode is selected The automatic mode is not displayed when the operation mode is selected 3 Temperature range limit setting After this setting is made the temperature can be changed within the set range To switch the setting press the ON OFF button LIMIT TEMP COOL MODE The temperature range can be changed on cooling dry mode LIMIT TEMP HEAT MODE The temperature range can be changed on heating mode LIMIT TEMP AUTO MODE The temperature range can be changed on automatic mode OFF initial setting The temperature range limit is not active When the setting other than OFF is made the temperature range limit setting on cooling heating and automatic mode is made at the same time However the range cannot be limited when the set temperature range has not changed To increase or decrease the temperature press the HT EMP V or A button To switch the upper l
129. ht side panel 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 x 10 Note Recover refrigerant without spreading it in the air 109 Pipes of power receiver Compressor f Power receiver MC Receiver leg fixing screws Receiver leg PUHZ HRP100YHA PUHZ HRP125YHA PUHZ HRP100YHA2 PUHZ HRP125YHA2 OPERATING PROCEDURE PHOTOS amp ILLUSTRATION 1 Removing the service panel and top panel 1 Remove 3 service panel fixing screws 5 x 10 and slide the hook on the right downward to remove the service panel 2 Remove screws 3 for front 3 for rear 5 x 10 of the top panel and remove it Figure 1 Top panel fixing screws ye Top panel w Service panel Grille fixing screws Grille fixing screws a ragangan ani Cy Service panel fixing screws PUHZ HRP100 125YHA 2 Removing the fan motor MF1 MF2 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 5 fan grille fixing screws 5 x 10 to detach the fan grille See Figure 1 4 Remove a nut for right handed screw of M6 to detach the propeller See Photo 1 5 Disconnect the connectors CNF1 and CNF2 on controller circuit board in electrical parts box 6 Remove 4 fan motor fixing screws 5 x 25 to detach the fan motor See Photo 2 Photo 1 Front panel Photo 2 Fan
130. iary information displayed after 91 Outdoor unit Microcomputer version information sub No version information Examples Ver 5 01 A000 A000 92 93 94 95 96 97 98 99 I Displays postponement code is 100 Outdoor unit Error postponement history 1 latest i h Code displayed if no postponement code is present 101 Outdoor unit Error postponement history 2 previous Displays postponement eocen I Na Code displayed if no postponement code is present 102 Outdoor unit Error postponement history 3 last but one Displays posiponement doge r as Code displayed if no postponement code is present 92 Description Request content Unit Remarks Display range Request code 103 Error history 1 latest Displays error history is displayedifno history is present Code 104 Error history 2 second to last Displays error history is displayedif no history is present Code 105 Error history 3 third to last Displays error history is displayedifno history is present Code 3 TH3 Abnormal thermistor display oe 106 TH9 TH6 TH7 TH8 7 TH7 Sensor 8 TH8 number 0 No thermistor error 107 Operation mode at time of error Displayed in the same way as request code 0 108 Compressor Operating current at time of error 0 50 A 109 Compressor Accumulated operating time at time of error 0 9
131. if indoor thermistors TH2 and TH5 are not disconnected from holder Check if stop valve is open Check converse connection of extension pipe on plural units connection Check if indoor outdoor connecting wire is connected correctly on plural units connection x1 Error code displayed on remote controller x2 Refer to service manual for indoor unit 73 lt Outdoor unit operation monitor function gt When optional part A Control Service Tool PAC SK52ST is connected to outdoor coniroller board CNM Digital indicator LED1 displays 2 digit number or code to inform operation condition and the meaning of error code by controlling DIP SW2 on A Control Service Tool Operation indicator SW2 Indicator change of self diagnosis SW2 setting Display detail Explanation for display ON 123456 lt Digital indicator LED1 working details gt Be sure that 1 to 6 in the SW2 are set to OFF 1 Display when the power supply ON 1 second When the power supply ON blinking displays by turns interval Wait for 4 minutes at the longest gt 2 When the display lights Normal operation MOperation mode display Lighting LED1 m punang Initial setting te F The tens digit Operation mode z The ones digit Relay output Display Operation Model warning up ompressor OFF FAN COOLING DRY HEATING DEFROSTING C5 is displayed during replacement operation Dis
132. imit setting and the lower limit setting press the Sa button The selected setting will flash and the temperature can be set Settable range Cooling Dry mode Lower limit 19 C 30 C Upper limit 30 C 19 C Heating mode Lower limit 17 C 28 C Upper limit 28 C 17 C Automatic mode Lower limit 19 C 28 C Upper limit 28 C 19 C in item3 5 Setting completed 6 Change the display to the normal one End 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the ON OFF button Main The controller will be the main controller Sub The controller will be the sub controller 2 Use of clock setting To switch the setting press the ON OFF button ON The clock function can be used OFF The clock function cannot be used 3 Timer function setting To switch the setting press the ON OFF button Choose one of the followings WEEKLY TIMER initial setting The weekly timer can be used AUTO OFF TIMER The auto off timer can be used SIMPLE TIMER The simple timer can be used TIMER MODE OFF The timer mode cannot be used When the use of clock setting is OFF the WEEKLY TIMER cannot be used 4 Contact number setting for error situation To switch the setting press the ON OFF button CALL OFF The set contact numbers are not displayed in case of error CALL The set contact
133. in the electrical parts box Photo 9 PUHZ HRP71 100VHA Linear I expansion Linear High pressure valve coil expansion Linear expansion switch 63H LEV C valve valve coil LEV A 8 Removing the 4 way valve 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 4 Remove 4 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel Remove the 4 way valve coil Recover refrigerant Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 5 6 7 9 Removing linear expansion valve 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 4 Remove 4 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel Remove the linear expansion valve coil Recover refrigerant Remove the welded part of
134. int and detection method Case Judgment and action Current sensor error or input current error e Abnormal if current sensor detects 1 0A to 1 0A during compressor operation This error is ignored in case of test run mode e Abnormal if 38A HRP71 100VHA 40A HRP71 100VHA2 of input current is detected or 34A HRP71 100VHA 37A HRP71 100VHA2 or more of input cur rent is detected for 10 seconds continu ously Disconnection of compressor wiring Defective circuit of current sensor on outdoor power circuit board Decrease of power supply volt age Correct the wiring U V W phase to compressor Refer to 11 9 Outdoor power circuit board Replace outdoor power circuit board Check the facility of power supply Low pressure 63L worked Abnormal if 63L is worked under 0 03MPa during compressor operation 63L Low pressure switch Stop valve of outdoor unit is closed during operation Disconnection or loose con nection of connector 63L on outdoor controller board Disconnection or loose connec tion of 63L Defective outdoor controller board Leakage or shortage of refriger ant Malfunction of linear expansion valve Check stop valve Turn the power off and on again to check if F3 is displayed on restarting If F3 is displayed follow the F3 processing direction Correct to proper amount of refrigerant Check linear expansion valve Refer to 1
135. ion 3 U3 U4 Open short of outdoor unit thermistors 4 UF Compressor overcurrent interruption When compressor locked 5 U2 Abnormal high discharging temperature insufficient refrigerant For details check 6 U1 Ud Abnormal high pressure 63H worked Overheating the LED display i protection operation of the outdoor 7 U5 Abnormal temperature of heatsink controller board 8 U8 Outdoor unit fan protection stop 9 U6 Compressor overcurrent interruption Abnormal of power module 10 U7 Abnormality of superheat due to low discharge temperature 1 U9 UH Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit Current sensor error 12 _ 13 14 Others Other errors Refer to the technical manual for the outdoor unit 1 If the beeper does not sound again after the initial 2 beeps to confirm the self check start signal was received and the OPERATION INDICATOR lamp does not come on there are no error records 2 If the beeper sounds 3 times continuously beep beep beep 0 4 0 4 0 4 sec after the initial 2 beeps to confirm the self check start signal was received the specified refrigerant address is incorrect 31 11 4 SELF DIAGNOSIS ACTION TABLE lt Abnormalities detected when the power is turned on gt Error Code Abnormal point and detection method Case Note 1 Refer to indoor unit section for code P and code E Judgment and action No voltage is sup
136. ion error Signal receiving error Outdoor unit Indoor outdoor communication error Transmitting error Outdoor unit Miswiring of indoor outdoor unit connecting wire excessive number of indoor units 4 units or more Miswiring of indoor outdoor unit connecting wire converse wiring or disconnection Startup time over Communication error except for outdoor unit 74 SW2 setting Display detail Explanation for display Pipe temperature Liquid TH3 40 90 40 90 When the coil thermistor detects 0 C or below and temperature are displayed by turns Example When 10 C 0 5 secs 0 5secs gt 10 gt z 2 secs Discharge temperature TH4 3 217 3 217 When the discharge thermistor detects 100 C or more hundreds digit tens digit and ones digit are displayed by turns Example When 105 C 0 5 secs 0 5secs t J 2 secs Output step of outdoor FAN 0 10 The number of ON OFF times of com pressor 0 9999 0 9999 When the number of times is 100 or more hundreds digit tens digit and ones digit are displayed by turns Example When 42500 times 425 X100 times 0 5 secs 0 5secs 4 gt 25 gt t 2 secs Compressor integrating operation times 0 9999 0 9
137. ipe gt TH6 or thermistor lt Outdoor gt TH7 replace it together Photo 10 Lead wire of thermistor kuq lt Outdoor gt R TH7 Sensor holder Photo 9 Thermistor Electrical parts box lt Outdoor 2 phase pipe gt TH6 7 Removing the thermistor lt Outdoor pipe gt TH3 TH32 TH33 1 Remove the service panel See Figure 1 2 Disconnect the connectors TH3 white and TH32 black TH33 yellow on the controller circuit board in the electri cal parts box 3 Loosen the wire clamps bottom of the electrical parts box and separator 4 Pull out the thermistor lt Outdoor pipe gt TH3 TH32 TH33 from the sensor holder TH33 See Photo 15 Photo 13 Low pressure switch 63L Thermistor lt Outdoor pipe gt TH32 6 Removing the thermistor lt Discharge gt TH4 Photo 11 1 Remove the service panel See Figure 1 Separator Muffler 2 Disconnect the connector TH4 white on the controller cir Yi cuit board in the electrical parts box 4 Loosen the wire clamps bottom of the electrical parts box and separator 5 Pull out the thermistor lt Discharge gt TH4 from the sensor Clamp holder Thermistor lt Discharge gt Compressor MC Photo 12 Clamp for TH3 11 2 Thermistor lt Outdoor pipe gt TH3 Power receiver OPERATING PROCEDURE PHOTOS 8 Removing the 4 way valve coil 21S4 and linear expan g
138. ircuit board Check connection of the connector CNDC on the outdoor power circuit board V the noise filter Y Refer to 11 9 HRP71 10VHA2 Check connection of reactor DCL or ACL HRP71 100VHA Check connection of L1 and L2 on the active filter module ACTM Refer to 11 9 HRP71 100VHA2 Check connection of DCL1 and DCL2 on the outdoor power circuit board Refer to 11 9 a Check connection of outdoor noise filter circuit board b Replace outdoor noise filter circuit board Refer to 11 9 Replace outdoor power circuit board Replace controller board When items above are checked but the units can not be repaired 63L connector open Abnormal if 63L connector circuit is open for 3 minutes continuously after power sup ply 63L Low pressure switch Disconnection or contact failure of 63L connector on outdoor controller circuit board Disconnection or contact failure of 63L 63L is working due to refriger ant leakage or defective parts Defective outdoor controller circuit board Check connection of 63L connector on outdoor controller circuit board Refer to 11 9 Check the 63L side of connecting wire Check refrigerant pressure Charge additional refrigerant Check continuity by tester Replace the parts if the parts are defective Replace outdoor controller circuit board 63H connector open Abnormal if 63H connector circuit is open for 3 min
139. is the unit that memorizes nonexistent address information Delete useless address informa tion with manual setting function of remote controller Only the system FRESH MASTER or LOSSNAY are connected to or the system that is equipped with group setting of differ ent refrigerant system If there was no trouble with above replace the controller board of displayed address or attribute If the unit does not return normally multi con troller board of outdoor unit may be defective repeater circuit Replace multi controller board one by one to check if the unit returns normally Continued to the next page From the previous page Error Code Abnormal point and detection method Case Judgment and action 4 If displayed address or attribute is remote controller indoor unit detects abnormality when indoor unit transmits signal to remote controller and there was no reply ACK During group operation with indoor unit of multi refrigerant system if indoor unit transmit signal to remote controller while outdoor unit power sup ply of one refrigerant system is turned off or within 2 min utes of restart abnormality is detected Contact failure of transmission wire of remote controller or indoor unit Disconnection of transmission connector CN2M of indoor unit Defective transmitting receiving circuit of indoor unit or remote controller If displayed address or attribute is F
140. isplayed Replacement operation If replacement operation is conducted even once 1 is displayed If replacement operation time is less than 2 hrs 0 is displayed 1 Conducted 0 Not yet U9 Error status during the Error postponement period 81 Description Detection point Display Normal 00 Overvoltage error Power circuit board 01 Undervoltage error Controller circuit board 02 Input current sensor error Li phase open error Abnormal power synchronous signal ACTM error HRP71 100V Undervoltage Controller circuit board 04 Power circuit board 08 Check CNAF wiring Defective ACTM P B 20 x Display examples for multiple errors Overvoltage 01 Undervoltage 02 03 Undervoltage 02 Power sync signal error 08 0 L phase open error 04 ACTM error 20 24 Code display SW2 setting Display detail Explanation for display Controlling status of compressor The following code will be a help to know the operating frequency operating status of unit The tens digit Compressor operating frequency control Primary current control Secondary current control The ones digit In this digit the total number of activated control is displayed Compressor operating frequency control Preventive control for excessive temp erature rise of discharge temperature Preventive control for exc
141. it board AC 198V to AC 264V Check the voltage between S1 and S2 on the terminal block TB1 of the outdoor unit which is used to connect the indoor unit and the outdoor unit AC 198V to AC 264V Check the voltage of indoor controller board CN2D YES DC 12V to DC 16V NO Check the voltage of the unit after removing the indoor power board CN2S DC 12V to DC 16V 46 e Troubles concerning power supply e Bad wiring of the outdoor controller board lt The fuses on the outdoor controller circuit board are blown e Bad wiring of the outdoor controller board lt The fuses on the outdoor controller circuit board are blown e Defective indoor controller board e Miswiring breaking or poor connection of in door outdoor connecting wire Defective indoor power board e Check the power wiring to the outdoor unit e Check the breaker e Check the wiring of the outdoor unit e Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits e Check if miswiring breaking or poor contact is causing this problem Indoor outdoor connecting wire is polarized 3 core type Connect the indoor unit and the outdoor unit by wiring each pair of S1 S2 and S3 on the both side of indoor outdoor terminal blocks
142. ke air temperature c Indoor heat exchanger temperature Inspection Is D000 displayed stably on the remote Stable Unstable controller 8 Temperature Discharge temperature Indoor c difference heat exchanger temperature Indoor heat exchanger temperature Cc Indoor intake air temperature Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 40 C or higher or indoor intake air temperature is 23 C or lower B In heat mode outdoor intake air temperature is 20 C or higher or indoor intake air temperature is 25 C or lower If the air conditioner is operated at a temperature range other than the ones above but operation is not stabilized after 30 minutes or more have elapsed carry out inspection In heat mode the operation state may vary due to frost forming on the outdoor heat exchanger Heat mode Cool mode c w a oa oa 2 1 Normal H Y N yy wo aoa inspection B oun ou a MIndoor intake air temperature Indoor heat exchanger temperature Indoor heat exchanger temperature Indoor intake air temperature 10 20 30 40 50 60 70 80 C 0 10 20 30 40 50 60 70 80 C 0 Discharge temperature Indoor heat exchanger temperature Discharge temperature Outdoor heat exchanger temperature 102
143. ks COOL HEAT Intake temperature TH1 27C 20 5 C Indoor pipe temperature TH2 5C 45C Indoor 2 phase pipe temperature TH5 5C 50 C Set temperature 25C 22 C Pressure saturation temperature TesHs 50 C 50 C Outdoor pipe temperature TH3 45 C 5C Outdoor discharge pipe temperature TH4 80 C 80 C Outdoor 2 phase pipe temperature TH6 50 C 5C Outdoor air temperature TH7 35C 7C Temperature difference code intake temperature set temperature Tj 5 5 Discharge superheat SHd 30deg Sub cool SC 5deg x1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data When the unit enters emergency operation and TH values are mismatched set the thermistors to open short And the unit runs emegency operation with the values listed above 2 If one thermistor is set to open short the values for each will be different from the list above x3 Only for VHA2 YHA2 Example When pipe temperature thermistor TH3 has an open or short circuit Thermistor TH3 5C Ta Tb TH6 Regard normal figure as effective data Tc Td TH4 Regard normal figure as effective data TH5 56 50 C TH2 5C 45C Te Tf TesHs 33 Regard normal figure as effective data 59 lt VHA YHA gt Discharge superheat SHd Cooling TH4 TH6
144. l F1 F4 Fuse lt T6 3AL250V gt Rush Current Protect Resistor CK OU Connection Terminal X51 X52 X55 Relay CB1 CB2 Main Smoothing Capacitor CK Capacitor LEV C 63HS 63H 63L YY TH33 TH32 TH7 TH6 TH3 TH4 PPP LEVA LEV B When M NET adapter is connected I x1 x1 15 wer eso CNF SS 6 HOSS 6 9 S G66 606666 606606 666 66669 r r t 7 WHT 7 3 72 1 4 12 21 1 31 6 1 6 N NSS 5 e E S SY TH33 TH32 TH7 6 TH3 THA 63HS LEV A LEV B CNVMNT CNMNT 2 Em 5 YLW BLK RED WHT WHT WHT WHT RED WHT WH Im o m A CNF2 63L ae Sse 1 9 090900 a A i i 7 wen a RED 8 85 le ss GE YLW ou S WHT WHT oles cnet 3 CN2 12 am i TRANS 1 WHT 7 99 606666 A Tt 9099909 2 1 LEv c PPM 2 CNDC BLU 5238 lo PNK ie 7 zE e F2 F3 15 T E 6z WAD g g 2 1 2 CNS FA roo F4 81 3 h 3 li WHT fo GaN ua 66 Win 3 1 3 4 21S4 SV 1MODEL SELECT P B 3 MODEL SW6 SW5 6 2 i ON ON 100Y OFFI kia OFF HAHAHA 12345678 123456 6666666 ON ON cue 125v o MEWAA AA c AHAHAHA TEF hi BLK w MC 12345678 123456 2 SW5 1 to 5 Fi tion Switch 2 s WHT O to 5 Function Switc UNS RED 2 2 BLK WHT RED fad z zl 26342842 J S2 2 RED TB P2 TB C1 OTBNI aJ 18 Kl ks INDOOR z UNIT a Q E lt 3 aal 3 8 3 m3 e CONV B Aj L4jp _ 2 b Sr ci CB2 Ck 19E on ae z z z 5 9708 2 x N F a II 3 CNAC1 CNCT CNA
145. l low pressure Low pressure switch 63L worked Check if indoor outdoor units have a short cycle on their air ducts Check if connector 63H 63L on outdoor controller board is not disconnected Check if heat exchanger and filter is not dirty Measure resistance values among terminals on linear expansion valve using a tester 3 blinking Abnormality of outdoor fan motor rotational speed Protection from overheat operation TH3 Tess only V YHA2 Check the outdoor fan motor Check if connector TH3 63HS on outdoor controller board is disconnected 4 blinking Compressor overcurrent breaking Start up locked Compressor overcurrent breaking Abnormality of current sensor P B Abnormality of power module Check if stop valves are open Check looseness disconnection and converse connection of compressor wiring Measure resistance values among terminals on compressor using a tester Check if outdoor unit has a short cycle on its air duct 5 blinking Open short of discharge thermistor TH4 Open short of outdoor thermistors TH3 TH32 TH33 TH6 TH7 and TH8 Check if connectors TH3 TH32 TH33 TH4 and TH7 6 on outdoor controller board and connector CN3 on outdoor power board are not disconnected Measure resistance value of outdoor thermistors 6 blinking Abnormality of heatsink temperature Check if indoor outdoor units have a short cycle on their air duct
146. ller board enables to control compressor operation frequency x The performance depends on the load of conditioned outdoor temperature How to wire lt Low level sound priority mode circuit gt Insulate this point securely as Adapter for external this is not used p signal input Outdoor unit Purchased locally 1 I _ _ _ PAC SC36NA controller board I I Relay 1 supply SWI CNDM SWI Switch Max 10 m including local wiring X Relay Contact spec DC1mA 1 Make the circuit as shown above with adapter for external signal input PAC SC36NA 2 Turn SW1 to on for Low level sound priority mode Turn SW1 to off to release Low level sound priority mode and normal operation b On demand control Local wiring Demand control is available by external input In this mode power consumption is decreased within the range of usual 0 100 How to wire Basically the wiring is same with a Connect an SW 1 which is procured locally between Orange and Red 1 and 3 of the adapter for external signal input PAC SC36NA and insulate the tip of the brown lead wire It is possible to set it to the following power consumption compared with ratings by setting the SW7 1 2 SW7 1 SW7 2 Poner ee OFF OFF 0 Operation stop ON OFF 50 OFF ON 75 71 lt Display function of inspection for outdoor unit gt The blinking patterns of both LED1 green and LED2 red i
147. ller circuit board can automatically check the number of connected indoor units Abnormal if the number cannot be checked automatically due to miswiring of indoor outdoor unit connecting wire and etc after power is turned on for 4 minutes Abnormal if outdoor controller circuit board recognizes the number of connected indoor units as 4 units or more Contact failure or miswiring of indoor outdoor unit connecting wire Diameter or length of indoor outdoor unit connecting wire is out of specified capacity 4 or more indoor units are connected to one outdoor unit Defective transmitting receiving circuit of outdoor controller circuit board Defective transmitting receiving circuit of indoor controller board Defective indoor power board 2 or more outdoor units have refrigerant address 0 In case of group control Noise has entered into power supply or indoor outdoor unit connecting wire Miswiring of indoor outdoor unit connecting wire converse wiring or dis connection Outdoor controller circuit board can automatically set the unit number of indoor units Abnormal if the indoor unit number can not be set within 4 minutes after power on because of miswiring converse wiring or disconnection of indoor outdoor unit con necting wire O Contact failure or miswiring of indoor outdoor unit connecting wire Diameter or length of indoor outdoor unit connecting wire is out of specifi
148. lly set to horizontal blow in order to prevent cold air from directly blowing out to human body The up down vane will return to the setting specified by the remote controller when STANDBY is released DEFROST is displayed on the screen No air comes out of the unit The outdoor unit gets frosted when the outside temperature is low and the humidity is high DEFROST indicates the DEFROST operation is being performed to melt this frost The DEFROST operation ends in around 10 minutes at most 15 minutes During the DEFROST operation the indoor unit s heat exchanger becomes cold so the fan is stopped The up down vane will be automatically set to horizontal blow in order to prevent cold air from directly blowing out to human body The display will turn into STANDBY when DEFROST operation ends Phone Calls From Customers How to Respond The room cannot be cooled or heated sufficiently Check the set temperature of remote controller The outdoor unit cannot be operated if the set temperature is not appropriate The outdoor unit operates in the following modes COOL When the set temperature is lower than the room temperature HEAT When the set temperature is higher than the room temperature Check if filters are not dirty and clogged If filters are clogged the airflow amount will be reduced and the unit capacity will be lowered See the instruction manual tha
149. lue of all indoor units is displayed if the air condi tioner consists of two or more indoor units twin triple quad 133 Indoor 2 phase pipe temperature at time of error 39 88 c Average value of all indoor units is displayed if the air condi tioner consists of two or more indoor units twin triple quad Indoor at time of error 4 134 i 39 88 C Intake air temperature lt Thermostatjudge temperature gt 135 136 137 138 139 140 146 147 148 149 150 Indoor Actual intake air temperature 39 88 c G 151 Indoor Liquid pipe temperature 39 88 152 Indoor 2 phase pipe temperature 39 88 c 93 ne Oo rae am Description B Request content f Unit Remarks 5 Display range e 153 Indoor Fan operating time 154 nu s 0 9999 1 hour After filter is reset Indoor Total operating time 155 sa 0 9999 10 hours Fan motor ON time 156 157 Indoor fan output value Sj value 0 255 Fan control data _ For indoor fan phase control Indoor fan output value 158 I P 00 indicates fan control data _ For indoor fan pulsation control Pulsation ON OFF 159 Indoor fan output value duty value 00 indicates fan control data For indoor DC brushless motor control 160 161 162 Indoor unit Model setting in
150. me is cut down by 15 compared to RP type and heating operation can continuously run for maxi mum 150 minutes 13kW Outlet air temp 45 C Heating capacity Peak a 15 20 Elapsed time min 1 Condition Room temp 20 C D B Outdoor temp 2 C D B 1 C W B Unit HRP100 Hi notch Indoor PKA type WIDE HEATING RANGE The heating range is expanded to 25C compared to RP type which is up to 20 C 6 RP type fasc l 25C 20C 15C 10C 5C oc Outdoor wet bulb temperature CHARGELESS SYSTEM PRE CHARGED REFRIGERANT IS SUPPLIED FOR PIPING LENGTH AT SHIPMENT Max 30m PUHZ HRP71 100 125 The refrigerant circuit with LEV Linear Expansion Valve and power receiver always control the optimal refrigerant level regardless of the length 30m max and 5m min of piping The additional refrigerant charging work during installation often causes problems It is completely eliminated by chargelss system This unique system improves the quality and reliability of the work done It also helps to speed up the installation time REFRIGERANT LEAKAGE DETECTION FUNCTION PUHZ HRP HA 2 can detect refrigerant leakage which may happen during a long period of use 7 SPECIFICATIONS Service Ref PUHZ HRP71 100VHA PUHZ HRP71 100VHA2 Mode Cooling Heating Cooling Heating OUTDOOR UNIT Power supply phase cycle voltage Single 50Hz 230V Max curren
151. mission Sending gt X51 X52 X55 Relay SW1 Switch lt Status of communication gt LED4 LED lt Transmission Receiving gt SW11 Switch lt Address setting 1st digit gt LED5 LED lt Power Supply DC12V gt TH33 TH32 TH7 TH6 TH3 TH4 LEV A LEV B When M NET adapter is connected 1 X Lx 21 s TH33 TH32 TH7 6 TH4 CNVMNT CNMNT S YLW BLK RED WHT WHT WHT RED 7 WHT WHT on 3al a 1 3 RED a a joo 000000000000 a ea C 4888 eM S O lS YLW WHT m cm au E aki CN2 606666 Es WHT JA A Tievc WA GE 009090909009 BLU CX 353 361 85 el BE 6z 5 ie sa aj la 2154 SV x1MODEL SELECT P B 13 7 MODEL SW6 SW5 6 2 oo ON ON 10v or ital Ba os AAAA Soo 12345678 123456 1 3 CN7 ON ON WHT oon BW Buk w MC 125Y OFF dau BREj OFF HEE fv 12345678 123456 2 512 CNA _ 0 x Tina 3 wun ma UN 3 2 SW5 1 to 5 Function Switch 2 3 2 CNS TB U RED P 2l 1 RED TB L3 BLK TB L2 WHT m z g Est TB L1 RED TB2 X52A treg 5 aaa a 2 gai S1 el T alel3aleilale ONO dose retest S PSPS IS 0505 cee s2 TB P2 TB C1 TB N1 INDOOR z UNIT a 2 k 3 na naas s3 Ea al i we 356 CONV B F mu 1 U6 6 CBI CB2 00 ee 2 z 2 3 z 5 9208 2 x N F a a 3 3 oc oc m ACLI oes TB1 TIN RED RED ACL2 POWER SUPPLY eT WHT A 3N ACLS 400V 50Hz BLK BEK rr BLU BLU GRN YLW m 3 3 3 ACLA m m r 15 PUHZ HRP71VHA2 PUHZ HRP100VHA2
152. move the top panel See Figure 1 Pressure switch 63L 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure switch and low pressure switch 5 Recover refrigerant 6 Remove the welded part of high pressure switch and low pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized sensor 63HS 113 OPERATING PROCEDURE PHOTOS 12 Removing bypass valve coil SV and bypass valve Photo 15 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 Bypass valve Ou pas 3 Remove 3 right side panel fixing screws 5 x 10 in the Replace filter coil fixing screw TH33 rear of the unit and remove the right side panel 4 Remove the bypass valve solenoid coil fixing screw M5 x6 5 Remove the bypass valve coil by sliding the coil upward 6 Disconnect the connector SV2 blue on the controller cir cuit board in the electrical parts box 7 Recover refrigerant 8 Remove the welded part of bypass valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welde
153. n Spanish Russian Italian Chinese French ARGUAGE REHCH iF ihu CAP N Japanese Q CEIHG UNCTIO ka IT TE OL i l m IT TEMP EAT MODE ft TEMP AUTO MODE SET gt OHTROLLE OHTROLLE MAI MAIN selection Display mode setting In MODE ETTING OHTROLLER SUE LTO IMER OFF IF LE IMER IMER rabi FF OFF CALL i F ON Hold down the button and press the button for 2 seconds Press the operation mode button Press theTIMER MENU button Press theTIMER ON OFF button ooo Dot display sfa MITSUBISHI ELECTRIC CANGUBGE Ow O E 5 Pg P L a Operation lock setting is not used Initial setting value Operation lock setting is except On Off button Operation lock setting is all buttons The automatic mode is displayed when the operation mode is selected Initial setting value The automatic mode is not displayed when the operation mode is selected The temperature range limit is not active Initial setting value The temperature range can be changed on cooling dry mode
154. n 1 3 4 GRN I BLU J WHT 2184 SV BLU WE N F 2 4 HE TABT BLU Hlo CNAF Te z 12 GNK z TABS WHT EER co I TAL te WHT PM 39 f tHe TABP1 RED TH8 Jai ons ahi a emo E A 59 8 foji CNS MS saad a 3 2 RED 2 1 CM FT Hela whit WHT d cB Then z z ep TO TABP 202 02 2 2 aE BLK ti TH MS uc DCL Annan 4 Z x Ko gt m cyi M NET ADAPTER a I al 3 jr SYMBOL NAME Ree ae al dS dan E TB7 Terminal Block lt M net connection gt RED 4 PI P o RED L N IS S1 s2 s3 ren CNS Connector lt Transmission gt ake J I N10 r CND Connector lt Power Supply gt eKO T L N20 wut CN2M Conn
155. ndicate the types of abnormality when it occurs Types of abnormality can be indicated in details by connecting an optional part A Control Service Tool PAC SK52ST to connector CNM on outdoor controller board Display 1 Normal condition Unit condition Outdoor controller board A Control Service Tool LED1 Green LED2 Red Error code Indication of the display When the power is turned on Lighted Lighted Alternately blinking display When unit stops Lighted Not lighted Operation mode When compressor is warming up Lighted Not lighted 08 etc When unit operates Lighted 2 Abnormal condition Indication C5 H7 etc Lighted Outdoor controller board LED1 Green LED2 Red Contents Inspection method Detailed 2 blinking Connector 63L is open Check if connector 63H or 63L on the outdoor controller Connector 63H is open board is not disconnected 2 connectors are open Check continuity of pressure switch 63H or 63L by tester 1 blinking Miswiring of indoor outdoor unit conne cting wire excessive number of indoor units 4 units or more Check if indoor outdoor connecting wire is connected correctly Check if 4 or more indoor units are connected to outdoor unit Miswiring of indoor outdoor unit co nnecting wire converse wiring or di sconnection Check if noise entere
156. ndicates code in the following table i e n 5 for U2 the check code in the following table Output pattern A Errors detected by indoor unit Wireless remote controller Wired remote controller Beeper sounds OPERATION Symptom Rem rk INDICATOR lamp blinks Check code Number of times 1 P1 Intake sensor error 2 P2 Pipe TH2 sensor error P9 Pipe TH5 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error Float switch connector open 5 P5 Drain pump error PA Forced compressor stop due to water leakage abnormality As for indoor 6 P6 Freezing Overheating protection operation unit refer to 7 EE Communication error between indoor and outdoor units indoor unit s 8 P8 Pipe temperature error service manual 9 E4 E5 Remote controller signal receiving error 10 11 E 12 Fb Indoor unit control system error memory error etc _ E0 E3 Remote controller transmission error _ E1 E2 Remote controller control board error Output pattern B Errors detected by unit other than indoor unit outdoor unit etc Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp blinks Check code Number of times Symptom Remark Indoor outdoor unit communication error 1 E9 Transmitting error Outdoor unit 2 UP Compressor overcurrent interrupt
157. ne once after the new installation or the data reset Display Waiting for stabilization o om ana Stabilized ooo After 45 minutes Press 1 button to confirm gt How to finish the initial learning Once the unit s operation is stabilized the initial learning is completed Press button for more than 3 seconds to cancel the initial leaning The initial learning can also be cancelled by pressing button 103 3 How to start Judgment of refrigerant leakage mode To know the current condition of refrigerant amount same operation must be performed Please repeat the same procedure O as when Initial learning operation for Checking operation Press CLOCK CG button and select the GAS LEAK JUDGE Refrigerant leakage detection Refrigerant leakage initial teaching detection judgment GAS LEAK GAS LEAK TEST START JUDGE Press CFILTER button to confirm Display LOADING I Display 777 0 Waiting for response Loading Judgment Display C indication Meaning setting 0 Refrigerant leakage is less than 20 of initial condition 20 Refrigerant leakage is more than 20 of initial condition 8888 Error No initial data is available lt Note gt for judgment can be changed by Unit function setting of remote controller Selectable either 80 initial setting or 60 Refer to 12 1 Mode No 21 When the for judgm
158. neously for at least 2 seconds Gencoron Will start to blink then the remote controller s display content will change as shown below x T2 Refrigerant address EMC TIGR display section it Set the outdoor unit s refrigerant address Press the CLOCK buttons C gt and A D to select the desired refrigerant address The refrigerant address changes from 00 to 15 This operation is not possible for single refrigerant systems Ifthe unit stops after FUNCTION blinked for 2 seconds or 88 blinks in the room temperature display area for 2 seconds a transmission error may have occurred Check to see if there are any sources of noise or interference near the transmission path Note If you have made operational mistakes during this procedure exit function selection see step then restart from step Set the indoor unit number Pressthe ON OFF button so that blinks in the unit number display area Unit number display section To set modes 01 to 06 or 15 to 22 select unit number 00 To set modes 07 to 14 or 23 to 28 carry out as follows To set each indoor unit individually select 01 to 04 lt To set all the indoor units collectively select AL Confirm the refrigerant address and unit number Press the button to confirm the refrigerant address and unit number After a while will
159. ng phases 220 ann a a HL 2 io a eco L sees Jal IF Bid Sid Lid vide 9idr Slr 6 5 16V DC 7 5 16V DC OQ s50 Sol lakes LJO 2 CN3 s Thermistor TH8 lt Heatsink gt 240V AC iii 3 iii A lt WHT gt JsJ lt o gt cec Zar Z 0Zdr Slaf CN5 mus s of primary TABP1 Connect to the as to outdoor noise filter circuit board CN5 CN4 TABN1 Connect to the F outdoor controller Zonk e ee to circuit board CN4 a 5d gt v g TABP2 SC P2 Connect to the A ACTM a NG v7 m v DIP TABN TABU V W TABN2 Connect to the o na to the Connect to the compressor MC Connect to ACTM smoothing capacitor smoothing capaci Voltage among phases 10V 180V AC CBO tor CB 64 Outdoor power circuit board PUHZ HRP71VHA2 PUHZ HRP100VHA2 CN2 Connect to the outdoor controller circuit board CN2 CN4 1 5 Transmitting signal to outdoor controller circuit board 0 5 V DC Connect to the outdoor 2 5 Zero cross signal 0 5 V DC controller circuit board CN4 3 4 18 V DC 6 5 16 V DC 7 5 16 V DG N2 CN52C CNDC Connect to the smoothing 52C driving signal 280 380 V DC O capacitor CB Connect to the outdoor Connect to the outdoor controller circuit board controller circuit board CN52C CNDC E2 E3 Connect to the earth F 5 e U V W P2 DCL1 DCL2 El E4 CNAC1 CNAC2 NI LI Conne
160. ng compressor operation Open detection of thermistors TH3 TH32 TH33 and TH6 is inoperative for 10 sec onds to 10 minutes after compressor starting and 10 minutes after and during defrosting Check which unit has abnormality in its thermistor by switching the mode of SW2 PAC SK52ST Refer to 11 10 xHRP100 125Y Heatsink thermistor TH8 is in the power module Disconnection or contact failure of connectors Outdoor controller circuit board TH3 TH32 TH33 TH7 6 Outdoor power circuit board CN3 Defective thermistor Defective outdoor controller circuit board Thermistors Check connection of connector TH3 TH32 TH33 TH7 6 on the outdoor controller circuit board Check connection of connector CN3 on the outdoor power circuit board Check breaking of the lead wire for thermis tor TH3 TH32 TH33 TH6 TH7 TH8 Refer to 11 9 Check resistance value of thermistor TH3 TH32 TH33 TH6 TH7 TH8 or check tem perature by microcomputer Thermistor TH3 TH6 TH7 TH8 Refer to 11 6 SW2 on A Control Service Tool Refer to 11 10 Replace outdoor controller circuit board Emergency operation is available in case of abnormalities of TH3 TH32 TH33 TH6 and TH7 Symbol Name Refer to 11 8 Open detection Short detection TH3 TH32 TH33 Thermistor lt Outdoor pipe gt 40 C or below 90 C or above TH6 Thermistor lt Outdoor 2 phase pipe gt 40 C o
161. no electrical insulation between power line and communication signal line Therefore please turn off the main power supply when servicing And do not touch the S1 S2 S3 terminals when the power is energized If isolator should be used between indoor unit and outdoor unit please use 3 pole type Turn on the main power when the ambient temperature is 20 C or higher In below 20C condition it needs at least 4hr standby to operate in order to warm the electrical parts 1 1 system Electrical wiring Synchronized twin system Electrical wiring e Synchronized twin Y h Outdoor Indoor Outdoor Indoor Indoor poi unit unit _ ako unit _ unit __ unit power i lt pima Unit i I B Remote B i controller controller i supply iO Indoor outdoor Euppiy rey Indoor outdoor a 1 i I unit connection 1 i 1 i unit connection 1 i 1 1 cable SN ah OH 7 O ISD Earth leakage breaker Earth leakage breaker 62 G 2 Wiring circuit breaker or Wiring circuit breaker or i l i 1 i isolating switch isolating switch 63 6 63 l 1 n 1 1 T 1 1 4 Na 18 9 2 SEPARATE INDOOR UNIT OUTDOOR UNIT POWER SUPPLIES The following connection patterns are available The outdoor unit power supply patterns vary on models 1 1 System
162. ntrol is conducted only when the HEAT operation is stopped with the electric heater ON However this control is also applied to the models which has no electric heater Something is wrong with the airflow direction The airflow direction is changed during COOL operation If the up down vane is set to downward in COOL operation it will be automatically set to horizontal blow by the microcomputer in order to prevent water from dropping down 1 Hr will be displayed on the remote controller if the up down vane is set to downward with the fan speed set to be less than LOW The airflow direction is changed during HEAT operation The airflow direction cannot be set by remote controller In HEAT operation the up down vane is automatically controlled according to the temperature of the indoor units heat exchanger In the following cases written below the up down vane will be set to horizontal blow and the setting cannot be changed by remote controller 1 At the beginning of the HEAT operation 2 While the outdoor unit is being stopped by thermostat or when the outdoor unit gets started to operate 3 During DEFROST operation The airflow direction will be back to the setting of remote controller when the above situations are released STANDBY will be displayed on the remote controller in case of 1 and 2 DEFROST will be displayed on the screen in case of 3 Th
163. ntroller Measure an impedance between the power supply terminal block on lt gt the outdoor unit and ground with a 500V Megger and check that it is afa MITSUBISHI ELECTRIC equal to or greater than 1 0MQ A Turn on the main power to the unit Press the E button twice continuously Start this operation from the status of remote controller display turned off ONOFF B TEMP A CJ and current operation mode are displayed O a Press the wod button to activate cou mode then L J check whether cool air is blown out from the unit MODE Press the O G button to activate sx mode then PO OO check viena warm air is blown out from the unit MODE VANE AUTOSTAR Press the button and check whether strong air is blown out amp from the unit CHECK LOUVER VANE es Press the CE button and check whether the auto vane operates TEST RU i properly Press the ON OFF button to stop the test run gto FAN AUTOSTOP t RESET CLOCK Note lt Point the remote controller towards the indoor unit receiver while following steps to lt It is not possible to run in FAN DRY or AUTO mode 27 11 3 HOW TO PROCEED SELF DIAGNOSIS 11 3 1 When a Problem Occurs During Operation Ifa problem occurs in the air conditioner the indoor and out
164. nverter circuit board N IN Connect to the ACL4 69508 _ e LI1 LI2 LIS NI POWER SUPPLY LI1 LI2 LI LI3 LI3 LI1 AC380 400 415V input LI1 NI LI2 NI LI3 NI AC220 230 240V input Connect to the terminal block TB1 i E og Cs e e Ti N nl e eG GD3 Connect to the earth CNCT Primary current Connect to the outdoor power circuit board CN5 LO1 LO2 Los POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 AC380 400 415V OUTPUT Connect to the outdoor power circuit board TB L1 L2 L3 63 Outdoor power circuit board PUHZ HRP71VHA PUHZ HRP100VHA CN2 Connect to the outdoor controller circuit board CN2 1 5 Transmitting signal to the outdoor controller circuit board 0 5V DC 2 5 Zero cross signal 0 5V DC 3 4 18V DC Brief Check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measure the resistance in the following points connectors etc If they are short circuited it means that they are broken 1 Check of diode bridge TABP1 TABS TABN1 TABS TABP1 TABT TABN1 TABT 2 Check of DIP IPM P U P V P W N U N V N W Q 4 c20 c21 c22 CNAF Connect to ACTM CNDC 280 380V DC Connect to the outdoor DIP IPM controller circuit board lt B8LU gt lt 77 gt VTABS TABT Connect to the outdoor noise filter circuit board Voltage amo
165. o 00 Od 1J o 1 4 00 Od o 1 1 1 ol o 00 OE olilili 00 0E 1l ilililolo 00 OF 1 1 14 4 00 OF olol ol o 1 o 00 10 1 ololo i1fo 00 11 I f 0l olold 0 00 12 0 Swich OFF 1 Swich ON te lololo 00 13 SW8 Data display ofol1 ol1 o 00 14 11213 1 lo lilolilo 00 15 ojojo 00 00 o lililol lijlo 00 16 1 0 0 00 01 1 1 1 0 11 0 00 17 o 1 0 00 02 olo lolililo 00 18 1 10 00 03 1 lo lolililo 00 19 ojoj i 00 04 o lilolil lilo 00 1A 11011 00 05 117110117110 00 1B ojiji 00 06 ololilil li lo 00 1C 11111 00 07 1lolilili lo 00 1D olililili lo 00 1E 1 1 1 1 1 0 00 1F 0 Swich OFF 1 Swich ON olololol loli 00 20 SW4 SW9 SW10 edea 1 lololololi 00 21 1 2 olilolololi 00 22 0 0 00 00 1 1 ololo 1 00 23 1 0 00 01 0 0 1 0 011 00 24 0 1 00 02 1 o 1 o o 1 00 25 1 1 00 03 of1 1 ofo 41 00 26 1 1 1fofo 1 00 27 olololiloli 00 28 1 lololiloli 00 29 oliloliloli 00 2A 1liloliloli 00 2B olo lililoli 00 2C 1lolililoli 00 2D olilililoli 00 2E 1lilililoli 00 2F olol lololili 00 30 1 lolololili 00 31 olilololili 00 32 1l ilololili 00 33 olo lilolili 00 34 1lo lilolili 00 35 olililolili 00 36 1lililolili 00 37 olo lolilili 00 38 1 lololilili 00 39 olilolil lili 00 3A 1lilolilili 00 3B olo lililili 00 3C 1lol lililili 00 3D olililil li li 00 3E 1lilililili 00 3F 98 Indoor unit Model setting information Request code 162 Data display 0 0 See the tabl
166. ode and restart the test run by SW4 1 24 11 TROUBLESHOOTING 11 1 TROUBLESHOOTING lt Error code display by self diagnosis and actions to be taken for service Summary gt Present and past error codes are logged and displayed on the wired remote controller and control board of outdoor unit Actions to be taken for service which depends on whether or not the trouble is reoccurring at service are summarized in the table below Check the contents below before investigating details Unit conditions at service Error code Actions to be taken for service Summary Judge what is wrong and take a corrective action according Displayed to 11 4 Self diagnosis action table The trouble is reoccurring Conduct troubleshooting and ascertain the cause of the Not displayed trouble according to 11 5 Troubleshooting by inferior phenomena Consider the temporary defects such as the work of protection devices in the refrigerant circuit including compressor poor connection of wiring noise and etc Re check the symptom and check the installation environment refrigerant amount weather when the trouble occurred matters related to wiring and etc Reset error code logs and restart the unit after finishing service There is no abnormality in electrical component controller board remote controller and etc The trouble is not reoccurring MRe check the abnormal symptom Conduct trouble shootin
167. of other refriger ants Therefore to enhance airtightness and intensity flare cutting dimension of copper pipe for R410A have been speci fied separately from the dimensions for other refrigerants as shown below The dimension B of flare nut for R410A also has partly been changed to increase intensity as shown below Set copper pipe correctly referring to copper pipe flaring dimensions for R410A below For 1 2 and 5 8 inch the dimension B changes Use torque wrench corresponding to each dimension Q gt Q 7772777777777723 Flare cutting dimensions Nominal dimensions inch Outside diameter Dimension A 34 Nominal R410A R22 dimensions inch Dimension B Outside Dimension B diameter 1 4 6 35 9 0 3 8 9 52 13 0 x36 0mm for 1 2 12 70 16 2 indoor unit 5 8 15 88 19 4 of RP100 3 4 19 05 23 3 Tools for R410A The following table shows whether conventional tools can be used or not Tools and materials Gauge manifold Charge hose Air purge refrigerant charge R410A tools Tool exclusive for R410A Can R22 tools be used 125 and 140 Can R407C tools be used and operation check Tool exclusive for R410A Gas leak detector Gas leak check Tool for HFC refrigerant Refrigerant recovery equipment Refrigerant recovery Tool exclusive for R410A Refrigerant cylinder Refrigerant charge Tool exclu
168. off or within 2 minutes of restart abnormality is detected Contact failure of transmission wire of remote controller or indoor unit Disconnection of transmission connector CN2M of indoor unit Defective transmitting receiving circuit of indoor unit or remote controller 41 Always try the followings when the error A7 occurs Turn off the power supply of outdoor unit indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again If mal function was accidental the unit returns to normal Check address switch of abnormality gener ated address Check disconnection or looseness of abnor mality generated or abnormality detected transmission wire terminal block and con nector Check if tolerance range of transmission wire is not exceeded Check if type of transmission wire is correct or not If there were some trouble of O above repair the defect then turn off the power sup ply of outdoor unit indoor unit and FRESH MASTER or LOSSNAY at the same time for 2 minutes or more and turn the power on again If there was no trouble with O above in single refrigerant system 1 outdoor unit controller of displayed address or attribute is defective If there was no trouble with above in dif ferent refrigerant system 2 or more outdoor units judge with If address of abnormality source is the address that should not exist there
169. oller s operation area the unit ends function selection mode automatically if nothing is input for 10 minutes or longer Operating instructions Check the function settings Press the P button twice continuously gt CHECK is lit and 00 blinks Press ithe temp button once to set 50 Direct the wireless remote controller toward the receiver of the indoor unit and press the button Set the unit number Press the temp button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the wireless remote controller toward the receiver of the indoor unit and press the button By setting unit number with the button specified indoor unit starts performing fan operation Detect which unit is assigned to which number using this function If unit number is set to AL all the indoor units in same refrigerant system start performing fan operation simultaneously If a unit number that cannot be recognized by the unit is entered 3 beeps of 0 4 seconds will be heard Reenter the unit number setting If the signal was not received by the sensor you will not hear a beep or a double ping sound may be heard Reenter the unit number setting Select a mode Press the temp button to set a mode Press 24 to turn on the function that raises the set temperature by 4 degree during heat operation Direct the wir
170. onnecting wire Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Defective outdoor controller circuit board lt Defective outdoor controller circuit board e Defective indoor controller board lt Influence of electromagnetic noise Defective outdoor power circuit board Defective indoor power board e Fix the breaking or poor contact of the indoor outdoor connecting wire Set the refrigerant address to 0 In case of the multiple grouping system recheck the refrigerant address again lt Replace the outdoor controller circuit board lt Replace the outdoor controller circuit board e Replace the indoor controller board of the indoor unit which doesn t operate e Not abnormal There may be the influence of electromagnetic noise Check the transmission wire and get rid of the causes e Replace the outdoor power circuit board e Replace the indoor power board Symptoms Nothing is displayed on the remote controller Diagnosis flow LED display of the indoor controller board LED1 LED2 gy or e LED3 Inspection method and troubleshooting Check the voltage of the terminal block TB6 of the remote controller YES DC 10V to DC 16V Check the status Lighting of the LED2 Blinking Check the status of the LED2 after disconnecting the remo
171. oor unit 2x Min 0 3 Indoor unit Outdoor unit earth Remote controller Indoor unit 2 x 0 3 Non polar Indoor unit L N AC 230 V Indoor unit Outdoor unit S1 S2 _ Indoor unit Outdoor unit S2 S3 DC24 V Remote controller Indoor unit DC12 V 1 A breaker with at least 3 mm contact separation in each pole shall be provided Use earth leakage breaker NV The breaker shall be provided to ensure disconnection of all active phase conductor of the supply 2 Max 120 m 3 The 10 m wire is attached in the remote controller accessory Max 500 m 4 The figures are NOT always against the ground D ex ESE Circuit rating Notes 1 Wiring size must comply with the applicable local and national code 2 Power supply cables and indoor unit outdoor unit connecting cables shall not be lighter than polychloroprene sheathed flexible cable Design 60245 IEC 57 3 Install an earth longer than other cables 19 9 3 INDOOR OUTDOOR CONNECTING CABLE The cable shall not be lighter than design 60245 IEC or 60227 IEC Wire No x Size mm Outdoor power supply Max 45m Max 50m Max 80m Indoor unit Outdoor unit 3 x 1 5 polar 3 x 2 5 polar 3 x 2 5 polar and S3 separated Indoor unit Outdoor unit earth 1 x Min 1 5 1 x Min 2 5 1 x Min 2 5 The max cable length may vary depending on the condition of installation humidity or materials etc
172. phase AC 230 V AC 230 V AC 230 V Indoor unit Outdoor unit S1 S2 AC 230 V AC 230 V AC 230 V Indoor unit Outdoor unit S2 S3 DC 24V DC 24 V DC 24 V Remote controller Indoor unit DC 12 V DC 12 V DC 12 V E aN D x S Zz 5 2 1 A breaker with at least 3 mm contact separation in each poles shall be provided Use earth leakage breaker NV The breaker shall be provided to ensure disconnection of all active phase conductor of the supply 2 Refer to 9 3 3 The 10 m wire is attached in the remote controller accessory 4 The figures are NOT always against the ground S3 terminal has DC 24 V against S2 terminal However between S3 and S1 these terminals are NOT electrically insulated by the transformer or other device Notes 1 Wiring size must comply with the applicable local and national code 2 Power supply cables and Indoor Outdoor unit connecting cables shall not be lighter than polychloroprene sheathed flexible cable Design 60245 IEC 57 3 Use an earth wire which is longer than other cables so that it wil not become disconnected when tension is applied Power supply Isolator 3 poles isolator S1 S1 A Control so i s2 A Control Outdoor Unit Indoor Unit s3 s3 A Warning In case of A control wiring there is high voltage potential on the S3 terminal caused by electrical circuit design that has
173. play during error postponement Postponement code is displayed when compressor stops due to the work of protection device Postponement code is displayed while error is being postponed 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Compressor 4 way valve Solenoid valve ON ON ON ON ON ON ON ON PINI DOJAJA N Contents to be inspected During operation Abnormal high pressure 63H worked Abnormal high discharging temperature shortage of refrigerant Open short circuit of discharging thermistor TH4 Open short of outdoor unit thermistors TH3 TH32 TH33 TH6 TH7 and TH8 Abnormal temperature of heatsink Abnormality of power module Abnormality of superheat due to low discharge temperature Abnormality in outdoor fan motor Overheat protection Compressor overcurrent interruption When Comp locked Inspection unit Current sensor error Abnormal low pressure 63L worked Compressor overcurrent interruption Abnormality of indoor units Indoor unit 2 Communication error of M NET system Outdoor unit Indoor unit 1 Contents to be inspected When power is turned on 63L connector red is open 63H connector yellow is open 2 connectors 63H 63L are open Indoor outdoor communicat
174. plied to termi nal block TB1 of outdoor unit a Power supply breaker is turned off b Contact failure or disconnec tion of power supply terminal c Open phase L or N phase Electric power is not charged to power supply terminal of out door power circuit board a Contact failure of power supply terminal b Open phase on the outdoor power circuit board HRP71 100VHA Disconnection of connector TABT or TABS HRP71 100VHA2 Disconnection of connector LI or NI Electric power is not supplied to outdoor controller circuit board a Disconnection of connector CNDC Disconnection of reactor DCL or ACL Disconnection of outdoor noise filter circuit board or parts fail ure in outdoor noise filter circuit board As for HRP71 100VHA it is especially needed to check the resistance RS1 on the noise filter circuit board Defective outdoor power circuit board Defective outdoor controller circuit board Check following items a Power supply breaker b Connection of power supply terminal block TB1 c Connection of power supply terminal block TB1 Check following items a Connection of power supply terminal block TB1 b Connection of terminal on outdoor power circuit board HRP71 100VHA Check connection of the connector TABT or TABS Refer to 11 9 Check connection of the connector LI or NI Refer to 11 9 Check connection of the connector CNDC on the outdoor controller c
175. power 6 minutes 2 nee or more low long is PLEASE WAIT or less kept being displayed on the tice a ss ma _ SAAT emote controller playe e start up diagnosis will during the start up be over in around 2 minutes 2to6 diagnosis after turning minutes on the main power Are any error codes displayed on the emote controller Check the LED display of the outdoor controller circuit board displ eu on ipe LED F e Miswiring of indoor Refer to Self diagnosis outdoor connecting action table in order to wire solve the trouble NO e Breaking of indoor outdoor connecting In case of communication wire S3 errors the display of e Defective indoor remote controller may not controller board match the LED display of e Defective outdoor the outdoor unit controller circuit board lt Defective indoor controller board lt Defective remote controller 45 LED display of the indoor controller board LED1 o LED2 o LED3 6 Symptoms Nothing is displayed on the remote controller Inspection method and Diagnosis flow troubleshooting Check the voltage between S1 and S2 on the terminal block TB4 of the indoor unit which is used to connect the indoor unit and the outdoor unit AC 198V to AC 264V YES NO Check the voltage among L Ls and N on the terminal block TB1 of the outdoor power circu
176. r below 90 C or above TH7 Thermistor lt Outdoor gt 40 or below 90 C or above TH8 Thermistor lt Heatsink gt HRP71 100VHA 27 C or below 102 C or above TH8 Internal thermistor HRP100 125YHA 2 HRP71 100VHA2 35 C or below 170 C or above Temperature of heatsink Abnormal if heatsink thermistor TH8 detects temperature indicated below HRP71V HRP100V HRP125Y The outdoor fan motor is locked Failure of outdoor fan motor Air flow path is clogged Rise of ambient temperature Defective thermistor Defective input circuit of outdoor power circuit board Failure of outdoor fan drive circuit MO Check outdoor fan Check air flow path for cooling Check if there is something which causes temperature rise around outdoor unit Upper limit of ambient temperature is 46 C Turn off power and on again to check if U5 is displayed within 30 minutes If U4 is displayed instead of U5 follow the action to be taken for U4 Check resistance value of thermistor TH8 or temperature by microcomputer Thermistor TH8 Refer to 11 6 SW2 on A Control Service Tool Refer to 11 10 Replace outdoor power circuit board Replace outdoor controller circuit board Power module Check abnormality by driving power module in case overcurrent is detected UF or UP error condition Outdoor stop valve is closed Decrease of power
177. r code Eb Indoor controller board receives trans mitted data at the same time compares the data and when detecting it judges different data to be abnormal 30 continuous times Error code E5 2 remote controller are set as main In case of 2 remote con trollers Remote controller is connected with 2 indoor units or more Repetition of refrigerant address Defective transmitting receiving circuit of remote controller Defective transmitting receiving circuit of indoor controller board Noise has entered into trans mission wire of remote control ler Set a remote controller to main and the other to sub Remote controller is connected with only one indoor unit The address changes to a separate setting Diagnose remote controller a When RC Ok is displayed remote con trollers have no problem Turn the power off and on again to check When becoming abnormal again replace indoor controller board b When RC NG is displayed replace remote controller c When RC E3 or ERC 00 66 is dis played noise may be causing abnormal ity Indoor outdoor unit communication error Signal receiving error Outdoor unit Abnormal if outdoor controller circuit board could not receive anything normally for 3 minutes Contact failure of indoor out door unit connecting wire Defective communication circuit of outdoor controller circuit board Defec
178. r detects 0C or below and temperature are displayed by turns Example When 15 C 0 5 secs 2 secs gt 00 0 5secs i 15 I Compressor temperature TH4 or discharge temperature TH4 on error occurring 3 217 3 217 When the temperature is 100 C or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 C 0 5 secs 0 5secs 2 secs 1 gt 30 gt Compressor operating current on error occurring 0 20 Error code history 1 latest Alternate display of abnormal unit number and code When no error history 0 and are displayed by turns Code display Error code history 2 Alternate display of error unit number and code When no error history 0 and are displayed by turns Code display Thermo ON time 0 999 0 999 When it is 100 minutes or more the hundreds digit tens digit and ones digit are displayed by turns Example When 245 minutes 0 5 secs 0 5secs 2 secs 12 gt 45 gt Test run elapsed time 0 120 0 120 When it is 100 minutes or more the hundreds digit tens digit and ones digit are displayed by turns Example When 105 minutes 0 5 secs 0 5secs 2 secs 1 gt 05 gt t J 76
179. r with syphon Refrigerant recovery equipment 4 Refrigerant leakage detection function This air conditioner can detect refrigerant leakage which may happen during a long period of use In order to enable the leakage detection settings are required to let the unit memorize the initial conditions initial learning Refer to 14 3 INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION 3 3 PRECAUTIONS WHEN REUSING EXISTING R22 REFRIGERANT PIPES 1 Flowchart Measure the existing pipe thickness and check for damage Y The existing pipe thickness meets speci fications and the pipes are not damaged Y Check if existing air conditioner can operate Y Y Existing air conditioner can operate Y Perform cooling operation for about 30 minutes and then do a pump down work Y Y The existing pipe thickness does not meet specifications or the pipes are damaged Existing air conditioner cannot operate Y refrigerant Use a refrigerant recovery equipment to recover the X Disconnect existing air con ditioner from piping Y Existing pipes can be reused In case existing pipes were used for gas or oil heat pump system be sure to clean the pipes for HRP71 100 125 models Y In case the unit is RP35 50 or RP60 71VHA2q1 which utilizes HAB oil
180. re chart gt Low temperature thermistors e Thermistor lt Outdoor pipe gt TH3 e Thermistor lt Outdoor 2 phase pipe gt TH6 e Thermistor lt Outdoor gt TH7 e Thermistor lt Outdoor pipe gt TH32 e Thermistor lt Outdoor pipe gt TH33 Thermistor RO 15kQ 3 B constant 3480 2 1 1 Rt 15exp 3480 273 t 273 OC 15kQ 30 C 4 3kQ 10C 9 6kQ 40 C 3 0kQ 20C 6 3kQ 25C 5 2kQ Medium temperature thermistor e Thermistor lt Heatsink gt TH8 HRP71 100VHA only Thermistor R50 17kQ 2 B constant 4150 3 1 1 Rt 17exp 4150 27354 323 OC 180kQ 25C 50kQ 50 C 17kQ 70C 8kQ 90 C 4kQ High temperature thermistor e Thermistor lt Discharge gt THA Thermistor R120 7 465kQ 2 B constant 4057 2 1 Rt 7 465exp 4057 2734t 393 20C 250kQ 70C 34kQ 30C 160kQ 80C 24kQ 40C 104kQ 90C 17 5kQ 50C 70kQ 100C 13 0kQ 60C 48kQ 110C 9 8kQ 55 50 IN Q Resistance kQ kQ Resistance Resistance k wo Oo N 20 10_0 Temperature C 10 20 30 40 50 200 a a oO 50 500 400 300 ye 100 25 25 50 75 100 Temperature C 50 75 Temperature C 125 100 Linear expansion valve 1 Operation summary of the linear expansion valve
181. record reset E Demand control setting refrigerant address E a ing signal Raye aue ATSE z e Abnormal signal SW6 Css eS ae erate Wo Ta 4 ee L ee ENOM Model select to SW4 e aa e coc Input of low level Test operation Ness ee i gt g T o sound priority mode ee peepee fl DD zD a one Pump down phe eee ee eee eo a Input of external con jo o tact point SW5 prre Function switch we i a MH ie CN52C SW8 Wi Ni cr aana Connect to the Pipe replace gt s Han JU D power circuit board Wiring replace 3 2 Fe HRP71 100V Connect to A control A service tool gt CN4 CNMNT Transmission to out Connect to door power circuit M NET adapter CN5 board CN4 nN SV2 onne M NET adapter CND Bypass v lve LEV A B C 2194 Linear expansion Four way valve valve Pressure sensor 63HS 63H High pressure 63L switch Low pressure switc TH CN2 Thermistor Connect to the outdoor lt Discharge gt power circuit board CN2 TH3 Reception from Thermistor _ power circuit board lt Outdoor pipe gt Zero cross signal TH7 6 0 5V DC Thermistor Not used lt Outdoor HRP100 125Y a E E ran lare ni 5 16V DC lt Outdoor pipe gt a 16V DC 5 VFG Voltage between sa gt CNAC a p Sot oe j eo ep ah m for outdoor and PC5D pin 3 aps and pin 4 i aw NN ig controller circuit board Same as 3 Se AA 4 220V 240V AC CNF1 x
182. resses SW1 3 to SW1 6 on outdoor controller circuit board are overlapping in case of group control system Check transmission path and remove the cause x The descriptions above are for EA Eb and EC lt Abnormalities detected while unit is operating gt Error Code Abnormal point and detection method Case Judgment and action High pressure High pressure switch 63H worked Abnormal if high pressure switch 63H worked during compressor operation 4 15 MPa 63H High pressure switch Short cycle of indoor unit Clogged filter of indoor unit Decreased airflow caused by dirt of indoor fan Dirt of indoor heat exchanger Locked indoor fan motor Malfunction of indoor fan motor Defective operation of stop valve Not full open Clogged or broken pipe Locked outdoor fan motor Malfunction of outdoor fan motor O Short cycle of outdoor unit Dirt of outdoor heat exchanger Decreased airflow caused by defective inspection of outside temperature thermistor It detects lower temperature than actual temperature Disconnection or contact failure of connector 63H on outdoor controller board Disconnection or contact failure of 63H connection 6 Defective outdoor controller board Defective action of linear expansion valve Malfunction of fan driving circuit Check indoor unit and repair defectives Check if stop valve is fully op
183. roblems are found emergency operation will be available by setting the emergency opera tion switch SWE to ON and short circuiting the connector CN31 on outdoor controller board When following abnormalities occur emergency operation will be available Error code Inspected content U4 Open short of pipe thermistor TH3 TH6 TH7 TH32 TH33 T H8 UE Open of pressure sensor TesHs only V YHA2 E8 Indoor outdoor unit communication error eSignal receiving error Outdoor unit E9 Indoor outdoor unit communication error Transmitting error Indoor unit Communication error other than outdoor unit Ed Communicaiton error between outdoor controller board and M NET board Serial communication error 2 Check the following items and cautions for emergency operation Make sure that there is no abnormality in outdoor unit other than the above abnormalities Emergency operation will not be available when error code other than the above are indicated For emergency operation it is necessary to set the emergency operation switch SWE on indoor controller board Refer to the electrical wiring diagram of indoor unit for how to set the indoor unit During emergency operation the air conditioner will continuously be operated by supplying power and stopping it It can not be turned on or off by remote control and temperature control is not possible Do not perform emergency heating operation for an extended period of time
184. rt cycle Bypass circuit of outdoor unit fault Discharging temperature and indoor heat exchanger temperature does not rise Inspect the failure by checking discharg ing pressure Replace linear expansion valve If refrigerant leaks discharging tempera ture rises and LEV opening increases Inspect leakage by checking the tempera ture and opening Check pipe connections for gas leakage Check the insulation Open suction grille and check the filter Clean the filter by removing dirt or dust on it If the filter is clogged indoor pipe tem perature rises and discharging pressure increases Check if heat exchanger is clogged by inspecting discharging pres sure Clean the heat exchanger Remove the shield Check refrigerant system during operation 8 OFor 3 minutes after temperature adjuster turns off the compressor will not start operating even if temperature adjuster is turned on For 3 minutes after temperature adjuster turns on the compressor will not stop operating even if temperature adjuster is turned off Compressor stops operating immediately when turning off by the remote controller Normal operation For protection of compressor 44 Normal operation Symptoms PLEASE WAIT is kept being displayed on the remote controller Inspection method and Diagnosis flow troubleshooting Check the display time of PLEASE WAIT after turning on the main
185. s Measure resistance value of outdoor thermistor TH8 7 blinking Abnormality of voltage Check looseness disconnection and converse connection of compressor wiring Measure resistance value among terminals on compressor using a tester Check if power supply voltage decreases Check the wiring of CN52C Check the wiring of CNAF 1 blinking Abnormality of room temperature thermistor THI Abnormality of pipe temperature thermistor Liquid TH2 Abnormality of pipe temperature thermistor Condenser Evaporator Check if connectors CN20 CN21 CN29 and CN44 on indoor controller board are not disconnected Measure resistance value of indoor thermistors 2 blinking Abnormality of drain sensor DS Float switch connector open FS Indoor drain overflow protection Check if connector CN31 CN4F on indoor controller board is not disconnected Measure resistance value of indoor thermistors Measure resistance value among terminals on drain up machine using a tester Check if drain up machine works Check drain function 3 blinking Freezing cooling overheating heating protection Check if indoor unit has a short cycle on its air duct Check if heat exchanger and filter is not dirty Measure resistance value on indoor and outdoor fan motors Check if the inside of refrigerant piping is not clogged 4 blinking Abnormality of pipe temperature Check
186. s address switch has changed while the unit was energized Extinction of transmission wire voltage and signal is caused by over range transmission wire Maximum distance 200m Remote controller line 12m Extinction of transmission wire voltage and signal is caused by type unmatched transmission wire With shield wire CVVS CPEVS With normal wire no shield VCTF VCTFK CVV CVS VVR VVF VCT Diameter 1 25mmz2 or more Extinction of transmission wire voltage and signal is caused by over numbered units Accidental malfunction of abnormality detected controller noise thunder surge Defective of abnormality gen erated controller 2 If displayed address or attribute is out door unit indoor unit detects abnormality when indoor unit transmits signal to outdoor unit and there was no reply ACK Contact failure of transmission wire of outdoor unit or indoor unit Disconnection of transmission connector CN2M of outdoor unit Defective transmitting receiving circuit of outdoor unit or indoor unit If displayed address or attribute is indoor unit remote controller detects abnormality when remote controller transmits signal to indoor unit and there was no reply ACk During group operation with indoor unit of multi refrigerant system if remote controller transmits signal to indoor unit while outdoor unit power sup ply of one refrigerant system is turned
187. s not a malfunction During the DRY operation the blower s ON OFF is controlled by the microcomputer to prevent overcooling and to ensure efficient dehumidification The fan speed cannot be set by the remote controller during DRY operation The fan speed doesn t match the setting of the remote controller in HEAT operation This is not a malfunction 1 When the HEAT operation starts to prevent the unit from blowing cold air the fan speed is gradually increased from zero to the set speed in proportion to the temperature rise of the discharged air 2 When the room temperature reaches the set temperature and the outdoor unit stops the unit starts the LOW AIR operation 3 During the HEAT operation the DEFROST operation is performed to defrost the outdoor unit During the DEFROST operation the blower is stopped to prevent cold air coming out of the indoor unit 50 The up down vane will be automatically set to horizontal blow in these cases listed up on the left 1 3 After a while the up down vane will be automatically moved according to the setting of the remote controller Phone Calls From Customers How to Respond Note Something is wrong with the blower Air blows out for a while after HEAT operation is stopped This is not a malfunction The blower is operating just for cooling down the heated up air conditioner This will be done within 1 minute This co
188. s the CHECK button for 5 seconds or more Remote controller diagnosis will be cancelled PLEASE WAIT and operation lamp will blink After approximately 30 seconds the state in effect before the diagnosis will be restored 29 11 3 4 Malfunction diagnosis method by wireless remote controller lt in case of trouble during operation gt When a malfunction occurs to air conditioner both indoor unit and outdoor unit will stop and operation lamp blinks to inform unusual stop lt Malfunction diagnosis method at maintenance service gt Procedure 1 Press the CHECK button twice CHECK lights and refrigerant Refrigerant address 00 blinks ae MITSUBISHI ELECTRIC address r display e Check that the remote controller s CHECK display has stopped before continuing display 2 Press the temperature e Select the refrigerant address of the Temperature buttons indoor unit for the self diagnosis button ON OFF S TEMP Note Set refrigerant address using the ko G outdoor unit s DIP switch SW1 Sa i For more information see the outdoor unit installation manual TO Lic FAN AUTOSTOP pO s D 0 3 ai MODE VANE AUTOSTAR 3 Point the remote controller atthe If an air conditioner error occurs the F e n pone sensor on the indoor unit and indoor unit s sensor emits an intermit CHECK COUVER h press the HOUR button tent buzzer sound the operation lamp
189. sage Turn the power off and on again to check the error code If U4 is displayed follow the U4 processing direction Abnormal pressure of pressure sensor 63HS Only for HRP HA2 Abnormal if pressure sensor 63HS detects 0 1 MPa or less Detection is inoperative for 3 minutes after compressor starting and 3 minutes after and during defrosting Disconnection or contact fail ure of connector 63HS on the outdoor controller circuit board Defective pressure sensor Defective outdoor controller cir cuit board Check connection of connector 63HS on the outdoor controller circuit board Check breaking of the lead wire for thermis tor 63HS Check pressure by microcomputer Prssure sensor 63HS SW2 Refer to 11 10 Replace outdoor controller board Compressor overcurrent interruption When compressor locked Abnormal if overcurrent of DC bus or compressor is detected within 30 seconds after compressor starts operating Stop valve is closed Decrease of power supply voltage Looseness disconnection or converse of compressor wiring connection Defective compressor Defective outdoor power board 36 Open stop valve Check facility of power supply Correct the wiring U V W phase to compressor Refer to 11 9 Outdoor power circuit board Check compressor Refer to 11 6 Replace outdoor power circuit board Error Code Abnormal po
190. sion valve coil LEV A LEV B LEV C Photo 14 PUHZ HRP100 125YHA 1 Remove the service panel See Figure 1 i Linear 2 Remove the top panel See Figure 1 s rsin Linear i i High pressure valve coil expansion Linear expansion Removing the 4 way valve coil a 63H LEV C valve valve coil LEV A 3 Remove 4 way valve solenoid coil fixing screw M4 x 6 4 Remove the 4 way valve coil by sliding the coil toward you 5 Disconnect the connector 21S4 green on the controller circuit board in the electrical parts box Removing the linear expansion valve coil 3 Remove the linear expansion valve coil by sliding the coil upward 4 Disconnect the connectors LEV A white LEV B red and LEV C blue on the controller circuit board in the electrical parts box 9 Removing the 4 way valve 1 Remove the service panel See Figure 1 2 Remove the top panel See figure 1 3 Remove 3 valve bed fixing screws 4 x 10 and 4 ball valve and stop valve fixing screws 5 x 16 then remove the valve bed 4 Remove 4 right side panel fixing screws 5 x 10 in the rear of the unit then remove the right side panel Remove the 4 way valve coil Recover refrigerant Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel 5 6 7 Note 3 When installing the 4 way valve cover
191. sive for R410A Applied oil Apply to flared section Ester oil ether oil and alky lbenzene oil minimum amount Ester oil ether oil O Alkylbenzene oil minimum amount Safety charger Prevent compressor malfunction when charging refrigerant by spraying liquid refrigerant Tool exclusive for R410A x Charge valve Prevent gas from blowing out when detaching charge hose Tool exclusive for R410A x x Vacuum pump Flare tool Vacuum drying and air purge Flaring work of piping Tools for other refrigerants can be used if equipped with adop ter for reverse flow check Tools for other refrigerants can be used by adjusting flaring dimension A Usable if equipped with adopter for rever se flow A Usable by adjusting flaring dimension A Usable if equipped with adopter for rever se flow A Usable by adjusting flaring dimension Bender Bend the pipes Tools for other refrigerants can be used Pipe cutter Cut the pipes Tools for other refrigerants can be used Welder and nitrogen gas cylinder Weld the pipes Tools for other refrigerants can be used Refrigerant charging scale Charge refrigerant Tools for other refrigerants can be used Vacuum gauge or thermis tor vacuum gauge and vacuum valve Check the degree of vacuum Vacuum valve prevents back flow of oil and refri gerant to thermistor vacuum gauge Tools for other refrigerants can be
192. start to blink in the mode number display area Mode number display section 88 will blink in the room temperature display area if the selected refrigerant address does not exist in the system Furthermore if F appears and blinks in the unit number display area and the refrigerant address display area also blinks there are no units that corre spond to the selected unit number In this case the refrigerant address and unit number may be incorrect so repeat steps and to set the correct ones Select the mode number Press the H TEMP buttons v and CA to set the desired mode number Only the selectable mode numbers can be selected Select the setting content for the selected mode Press the MENU button The currently selected setting number will blink so check the currently set content Press the CLOCK buttons C D and CA D to select the unit number of the indoor unit for which you want to perform function selection The unit number changes to 00 01 02 03 04 and AL each time a button is pressed When the refrigerant address and unit number are confirmed by pressing the MODE button the corresponding indoor unit will start fan operation This helps you find the location of the indoor unit for which you want to perform function selection However if 00 or AL is selected as the unit number all the indoor units corresponding to
193. supply voltage Looseness disconnection or converse of compressor wiring connection Defective compressor Defective outdoor power circuit board Open stop valve Check facility of power supply Correct the wiring U V W phase to compressor Refer to 11 9 Outdoor power circuit board Check compressor referring to 11 6 Replace outdoor power circuit board Too low superheat due to low discharge temperature Abnormal if discharge superheat is continuously detected less than or equal to 15 C for 3 minutes even though linear expansion valve has minimum open pulse after compressor starts operating for 10 minutes Disconnection or loose connection of discharge temperature thermistor TH4 Defective holder of discharge temperature thermistor Disconnection or loose connection of linear expansion valve s coil Disconnection or loose connection of linear expansion valve s connector Defective linear expansion valve 35 MO Check the installation conditions of discharge temperature thermistor TH4 Check the coil of linear expansion valve Refer to 11 7 Check the connection or contact of LEV A and LEV B on outdoor controller circuit board Check linear expansion valve Refer to 11 6 Error Code Abnormal point and detection method Case Judgment and action Outdoor fan motor Abnormal if rotational frequency of the fan motor is not detecte
194. switch SW8 2 to OFF Replacement operation is completed The unit can be operated normally by remote controller even if SW8 2 remains ON xlIf the indoor temperature is less than 15 C the compressor will operate intermittently but the unit is not faulty 10 3 Start and finish of test run e Operation from the indoor unit Execute the test run using the installation manual for the indoor unit lt Operation from the outdoor unit By using the DIP switch SW4 on the control board of outdoor unit test run can be started and finished and its operation mode cooling heating can be set up Set the operation mode cooling heating using SW4 2 Turn on SW4 1 to start test run with the operation mode set by SW4 2 Turn off SW4 1 to finish the test run sSW4 gt lt There may be a faint knocking sound around the machine room after power is supplied but this is no problem with product because the linear expansion pipe is just moving to adjust opening pulse ON lt There may be a knocking sound around the machine room for several seconds after compressor OFF i B starts operating but this is no problem with product because the check valve itself generates the sound because pressure difference is small in the refrigerant circuit Stop Operation Cooling Heating Note The operation mode cannot be changed by SW4 2 during test run To change test run mode stop the unit by SW4 1 change the operation m
195. t e After canceling function selection operation is not possible for about 30 seconds Normal x Press the remote controller s CHECK button twice to perform self diagnosis See the table below for the contents of LCD display Contents of inferior phenomena LCD Contents of inferior phenomena Pi Abnormality of room temperature thermistor U1 UP Malfunction outdoor unit P2 Abnormality of pipe temperature thermistor Liquid F3 F9 Malfunction outdoor unit P4 Abnormality of drain sensor Float switch connector open E0 E5 Remote controller transmitting error P5 Drain overflow protection is working E6 EF Indoor outdoor unit communication error P6_ Freezing overheating protection is working NO error history P8 Abnormality of pipe temperature FFFF No applied unit Abnormality of pipe temperature thermistor Cond Eva PA Abnormality of indoor controller board See the table below for details of the LED display LED 1 2 3 on the indoor controller board LED1 microcomputer power supply Lits when power is supplied LED2 remote controller Lits when power is supplied for wired remote controller The indoor unit should be connected to the outdoor unit with address 0 setting LED3 indoor outdoor communication Blinks when indoor and outdoor un it are communicating 26 Test run for wireless remote co
196. t 28 External finish Munsell 3Y 7 8 1 1 Refrigerant control Linear Expansion Valve Compressor Hermetic Model ANB33FJCMT ANB33FJEMT Motor output 2 5 Starter type Inverter Protection devices HP switch LP switch Discharge thermo Crankcase heater W Heat exchanger Plate fin coil Fan Fan drive x No Propeller fan x 2 Fan motor output kW 0 086 0 086 0 074 0 074 Airflow m min CFM 100 3 530 Defrost method Reverse cycle Noise level Cooling dB 52 51 Heating dB 53 52 Dimensions w mm in 950 37 3 8 D mm in 330 30 13 1 3 16 H mm in 1 350 53 1 8 Weight kg lbs 120 265 Refrigerant R410A Charge kg lbs 5 5 12 1 Oil Model L 1 40 FV505 O a a z oc oo Le oo Pipe size O D Liquid mm in 9 52 3 8 Gas mm in 15 88 5 8 Connection method Indoor side Flared Outdoor side Flared Between the indoor amp outdoor unit Height difference Max 30m Piping length Max 75m Service Ref PUHZ HRP100 125YHA PUHZ HRP100 125YHA2 Mode Cooling Heating Cooling Heating Power supply phase cycle voltage 3phase 50Hz 400V Max current 14 External finish Munsell 3Y 7 8 1 1
197. t came with the product for how to clean the filters Check there is enough space around the air conditioner If there are any obstacles in the air intake or air outlet of indoor outdoor units they block the airflow direction so that the unit capacity will be lowered Sound comes out from the air conditioner An gas escaping sound is heard sometimes This is not a malfunction This is the sound which is heard when the flow of refrigerant in the air conditioner is switched Acracking sound is heard sometimes This is not a malfunction This is the sound which is heard when internal parts of units expand or contract when the temperature changes A buzzing sound is heard sometimes This is not a malfunction This is the sound which is heard when the outdoor unit starts operating Aticking sound is heard from the outdoor unit sometimes This is not a malfunction This is the sound which is heard when the fan of the outdoor unit is controlling the airflow amount in order to keep the optimum operating condition A sound similar to water flowing is heard from the unit This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit Something is wrong with the The fan speed doesn t match the setting of the remote controller during DRY operation No air comes out sometimes during DRY operation This i
198. t outdoor pipe gt TH33 Bypass valve coil SV Bypass valve 4 way LEV valve coil 2184 LEV coil LEV B 4 way valve a Low pressure Pressure switch 63L sensor 63HS OPERATING PROCEDURE 11 Removing bypass valve coil SV and bypass valve 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 PHOTOS Photo 1 i Basane Team coil fixing screw pip Replace filter TH33 3 Remove 3 right side panel fixing screws 5 x 10 in the rear of the unit and remove the right side panel 4 Remove the bypass valve solenoid coil fixing screw M5 x 6 5 Remove the bypass valve coil by sliding the coil upward 6 Disconnect the connector SV2 blue on the controller cir cuit board in the electrical parts box 7 Recover refrigerant 8 Remove the welded part of bypass valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Bypass valve coil SV Bypass valve 12 Removing the reactor DCL and capacitor CB 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Remove the electrical parts box See Photo 3 Photo 11 Reactor DCL Electrical parts box Removing the reactor 4 Remove 4 reactor fixing screws 4 x 10 and remove the reactor Removing the capacitor Badon 4 Remove
199. te controller wire from the terminal block TB5 of the indoor unit Check the status Lighting of the LED2 Blinking 48 e Defective remote controller e Breaking or poor contact of the remote controller wire lt The remote controller wire short circuits e Defective indoor controller board e Replace the remote controller e Check if there is breaking or poor contact of the remote controller wire Check the voltage of the terminal block TB5 connecting the remote controller wire If it is not between DC 10V and DC16V the indoor controller board must be defective e Check if the remote controller wire is short circuited e Replace the indoor controller board Before repair Frequent calling from customers Phone Calls From Customers How to Respond Unit does not operate at all The operating display of remote controller does not come on Check if power is supplied to air conditioner Nothing appears on the display unless power is supplied Unit cannot be restarted for a while after it s stopped Wait around 3 minutes to restart unit The air conditioner is in a state of being protected by the microcomputer s directive Once the compressor is stopped the unit cannot be restarted for 3 minutes This control is also applied when the unit is turned on and off by remote controller Error code appears and blinks on the display
200. the error history is reset the display will look like the one shown below 2 pe he ONO a Sn a 3 seconds ye seldiagnosis However if you fail to reset the error history the error content will be displayed address or refrigerant address will blink again i w a NAIA gt SELF CHECK 3 3d SELF CHECK Sat Ray 2 s be s ERROR GORE mm gt gt mm ga LILI uu Cancel self diagnosis Self diagnosis can be cancelled by the following 2 methods Press the CHECK button twice within 3 seconds gt Self diagnosis will be cancelled and the screen will return to the previous state in effect before the start of self diagnosis Press the ON OFF button gt Self diagnosis will be cancelled and the indoor unit will stop 11 3 3 Remote Controller Diagnosis If the air conditioner cannot be operated from the remote controller diagnose the remote controller as explained below t O First check that the power on indicator is lit If the correct voltage DC12 V is not supplied to the remote controller the indicator will not light If this occurs check the remote controller s wiring and the indoor unit Power on indicator Switch to the remote controller self diagnosis mode Press the FILTER button to start self diagnosis Press the CHECK button for 5 seconds or more The display content will change as shown below SELF CHECK SELF CHECK Pa eae
201. the function settings Press button Do not use the wireless remote controller for 30 seconds after completing the function setting 87 12 2 FUNCTION SELECTION OF REMOTE CONTROLLER The setting of the following remote controller functions can be changed using the remote controller function selection mode Change the setting when needed Item 1 Item 2 Item 3 Setting content 1 Change language CHANGE LANGUAGE Language setting to display Display in multiple languages is possible 2 Function limit FUNCTION SELECTION Operation function limit setting operation lock LOCKING FUNCTION lt Setting the range of operation limit operation lock Use of automatic mode setting SELECT AUTO MODE e Setting the use or non use of automatic operation mode Temperature range limit setting LIMIT TEMP FUNCTION e Setting the temperature adjustable range maximum minimum 3 Mode selection MODE SELECTION 1 2 3 1 Remote controller main sub setting CONTROLLER MAIN SUB e Selecting main or sub remote controller When 2 remote controllers are connected to 1 group 1 controller must be set to sub 2 Use of clock setting CLOCK e Setting the use or non use of clock function 3 Timer function setting WEEKLY TIMER e Setting the timer type 4 Contact number setting for error situation CALL e Contact number display in case of error
202. the specified refrigerant address will start fan operation Example When the refrigerant address is set to 00 and the unit number is 02 00 refrigerant address Outdoor unit Indoor unit Unit number 01 Unit number 02 ZINN Designate operation Remote controller Fan draft When grouping different refrigerant systems if an indoor unit other than the one to which the refrigerant address has been set to perform fan operation there may be another refrigerant address that is the same as the specified one In this case check the DIP switch of the outdoor unit to see whether such a refrigerant address exists Mode number display section Mode number 02 Indoor tempreture detection Press the g TEMP buttons _v D and A to select the desired setting number FUNCTION nn nn FUR TION nn nn SELECTION eee gt SELECTION tabbed TAN fed J u I LIC J o Setting number display section Register the settings you have made in steps to Setting number 1 Indoor unit operating average Setting number 3 Remote controller built in sensor The mode number and setting number will stop blinking and remain lit indicating the Press the MODE button The mode number and setting number will start end of registration to blink and registration starts FUR TIOH ono UU ULU pea a gt If is displayed
203. thermistor Stop valve is not opened completely 39 Check pipe lt liquid or condenser evapo C Temperature display of indoor liquid pipe Indoor 1 controller circuit board after connecting A Control Service Tool PAC SK52ST rator gt temperature with room temperature display on remote controller and outdoor controller circuit board Pipe lt liquid or condenser evaporator gt temperature display is indicated by setting SW2 of outdoor controller circuit board as follows Temperature display of indoor condenser evaporator pipe Indoor 1 onduct temperature check with outdoor 1 2 3 4 5 6 ON OFF Indoor Temperature display of indoor liquid pipe 2 Temperature display of indoor con r evaporator pipe Indoor 2 2 3 4 5 6 Ak e Sa 8 8 8 ON OFF A Control Service Tool SW2 setting Check converse connection of extension pipe or converse wiring of indoor outdoor unit connecting wire lt M NET communication error gt Error Code Abnormal point and detection method Note Indoor unit in the text indicates M NET board in outdoor unit Case Judgment and action Address duplicate definition This error is displayed when transmission from the units of same address is detected Note The address and attribute displayed at remote controller indicate the con troller that detected abnormality There are
204. tive communication circuit of indoor controller board Noise has entered into indoor outdoor unit connecting wire Check disconnection or looseness of indoor outdoor unit connecting wire of indoor or out door units Turn the power off and on again to check Replace indoor controller board or outdoor controller circuit board if abnormal ity is displayed again Indoor outdoor unit communication error Transmitting error Outdoor unit Abnormal if 0 receiving is detected 30 times continuously though outdoor con troller circuit board has transmitted 1 Abnormal if outdoor controller circuit board could not find blank of transmis sion path for 3 minutes O Indoor outdoor unit connecting wire has contact failure Defective communication circuit of outdoor controller circuit board Noise has entered power supply Noise has entered indoor out door unit connecting wire Check disconnection or looseness of indoor outdoor unit connecting wire Turn the power off and on again to check Replace outdoor controller circuit board if abnormality is displayed again Non defined error code This code is displayed when non defined error code is received O Noise has entered transmission wire of remote controller Noise has entered indoor out door unit connecting wire Outdoor unit is not inverter models Model name of remote control ler is PAR S25A Turn the po
205. to transmission wire of remote controller Check if noise entered into indoor outdoor connecting wire Re check error by turning off power and on again 5 blinking Serial communication error lt Communication between outdoor controller board and outdoor power board gt lt Communication between outdoor controller board and M NET P C board gt Check if connector CN4 on outdoor controller board and outdoor power board is not disconnected Check if there is poor connection of connector on outdoor controller board CNMNT and CNVMNT Communication error of M NET system 1 Error code displayed on remote controller 2 Refer to service manual for indoor unit Check M NET communication signal 72 Indication Outdoor controller board LED1 Green LED2 Red Contents Inspection method Detailed reference page 3 blinking 1 blinking Abnormality of shell thermostat and discharging temperature TH4 Abnormality of superheat due to low discharge temperature Check if stop valves are open Check if connectors TH4 LEV A and LEV B on outdoor controller board are not disconnected Check if unit is filled with specified amount of refrigerant Measure resistance values among terminals on indoor valve and outdoor linear expansion valve using a tester P 34 2 blinking Abnormal high pressure High pressure switch 63H worked Abnorma
206. troller Not supported Supported Indoor unit does not intake outdoor air through LOSSNAY 03 Supported Indoor unit intakes outdoor air through LOSSNAY 240V 04 220V 230V Auto energy saving operation ON 05 Auto energy saving operation OFF Frost prevention 2 C Normal 15 temperature 3C Humidifier control When the compressor operates the humidifier also operates 16 Heating mode When the fan operates the humidifier also operates Change of defrosting Standard 17 control For high humidity Refrigerant leakage 80 21 setting 60 e The setting is e applied to all the units in the same refrigerant system N DO A PO PO DO PO 09 PO OO N Po Meaning of Function setting Mode02 indoor temperature detecting Average data of the ta A B 2 ta A B 2 ta A ta A sensor on all the indoor units No 2 Data of the sensor ta A ta A ta A on the indoor unit that connected with remote controller No 3 Data of the sensor ta C ta C ta C ta C on main remote controller 83 2 Functions available when setting the unit number to 01 03 or AL 07 in case of wireless remote controller e When setting functions for an indoor unit in an independent system set the unit number to 01 referring to Set the indoor unit number of Operating Procedure e When setting functions for a simultaneous twin
207. unction Pipe liquid temperature Press the b utton to reset the test run in progress Register the contact n umber lt In case of test run the OFF timer will be activated and the test run will automatically stop after 2 hours lt The room temperature display section shows the pipe temperature of indoor units during the test run e Check that all the indoor units are running properly in case of simultaneous twin operation Malfunctions may not be displayed regardless of incorrect wiring x1 After turning on the power supply the system will go into startup mode PLEASE WAIT will blink on the display section of the room temperature and lamp green of the remote controller will flash As to INDOOR BOARD LED LED1 will be lit up LED2 will either be lit up in case the address is 0 or turned off in case the address is not 0 LEDS will blink As to OUTDOOR BOARD LED LED1 green and LED2 red will be lit up After the startup mode of the system finishes LED2 red will be turned off In case OUTDOOR BOARD LED is digital display and will be displayed alternately every second If one of the above operations doesn t function correctly the causes written below should be considered Find causes from the symptoms The below symptoms are under test run mode startup in the table means the display status of 1 written above Symptoms in test run mode Remote Controller Display
208. und wire and shield wire form one circuit and the electric potential difference occurs due to the impedance difference among ground ing spots In case of single spot grounding noise does not enter into the shield wire because the ground wire and shield wire do not form one circuit To avoid communication errors caused by noise make sure to observe the single spot grounding method described in the installation manual 21 e M NET wiring 1 Use 2 core x 1 25mm shield wire for electric wires MAPL L H Excluding the case connecting to system controller block lt EE Ground 2 Connect the wire to the M NET terminal block Connect one core of the alla wre transmission wire non polar to A M1 terminal and the other to B M2 Peel the A BT S shield wire twist the shield part to a string and connect it to S terminal 3 In the system which several outdoor units are being connected the terminal Transmission Shield A M1 B M2 S on M NET terminal block should be individually wired to the other outdoor unit s terminal i e A M1 to A M1 B M2 to B M2 and S to S In this case choose one of those outdoor units and drive a screw to fix an ground wire on the plate as shown on the right figure wire part 9 4 1 M NET address setting In A control models M NET address and refrigerant address should be set only for the outdoor unit Similar to CITY MULTI system there is no
209. ute is non existent The unit of former address does not exist as address switch has changed while the unit was energized Abnormality is detected when indoor unit transmits signal because the address of FRESH MASTER and LOSSNAY are changed after sequential operation of FRESH MASTER and LOSSNAY by remote controller 42 Same as mentioned in A7 of the previous page Error Code Abnormal point and detection method Case Judgment and action continuously M NET NO RESPONSE Abnormal if a message was transmitted and there were reply ACK that message was received but response command does not return Transmitting side detects abnormality every 30 seconds 6 times Note The address and attribute displayed at remote controller indicate the con troller that did not reply ACK Transmitting condition is repeated fault because of noise and the like Extension of transmission wire voltage and signal is caused by over range transmission wire Maximum distance 200m e Remote controller line 12m Extension of transmission wire voltage and signal is caused by type unmatched transmis sion wire With shield wire CVVS CPEVS With normal wire no shield VCTF VCTFK CVV CVS VVR VVF VCT Diameter 1 25mm or more Accidental malfunction of abnormality generated controller 11 5 TROUBLESHOOTING BY INFERIOR PHENOMENA Phenomena Factor Ch
210. utes continuously after power sup ply 63H High pressure switch Disconnection or contact failure of 63H connector on outdoor controller circuit board Disconnection or contact failure of 63H 63H is working due to defective parts Defective outdoor controller circuit board 32 Check connection of 63H connector on outdoor controller circuit board Refer to 11 9 Check the 63H side of connecting wire Check continuity by tester Replace the parts if the parts are defective Replace outdoor controller circuit board Error Code Abnormal point and detection method Case Judgment and action 2 connector open Abnormal if both 63H and 63L connector circuits are open for three minutes continu ously after power supply 63H High pressure switch 63L Low pressure switch Disconnection or contact failure of connector 63H 63L on outdoor controller circuit board Disconnection or contact failure of 63H 63L 63H and 63L are working due to defective parts Defective outdoor controller board Check connection of connector 63H 63L on outdoor controller circuit board Refer to 11 9 Check the 63H and 63L side of connecting wire Check continuity by tester Replace the parts if the parts are defective Replace outdoor controller circuit board Indoor outdoor unit connector miswiring excessive number of units 4 units or more 1 Outdoor contro
211. wer off and on again to check Replace indoor controller board or outdoor controller circuit board if abnormality is displayed again Replace outdoor unit with inverter type out door unit Replace remote controller with MA remote controller Serial communication error Abnormal if serial communication between outdoor controller circuit board and outdoor power circuit board is defec tive Abnormal if communication between out door controller circuit board and M NET board is not available Breaking of wire or contact failure of connector CN2 between the outdoor controller circuit board and the outdoor power circuit board Breaking of wire or contact failure of connector CN4 between the outdoor controller circuit board and the outdoor power circuit board Defective communication circuit of outdoor power circuit board Defective communication circuit of outdoor controller circuit board for outdoor power circuit board Breaking of wire or contact failure of connector between outdoor controller circuit board and M NET board Contact failure of M NET board power supply line Noise has entered into M NET transmission wire 38 Check connection of each connector CN2 and CN4 between the outdoor controller circuit board and the outdoor power circuit board Replace outdoor power circuit board Replace outdoor controller circuit board Check disconnection looseness or br

Download Pdf Manuals

image

Related Search

Related Contents

Electric Bike User Manual    Citizen FC-100  Funzioni nuove e modificate  Samsung SP-A400B User Manual  Legge Balduzzi tra problemi aperti e possibili soluzioni interpretative  HWM8808 Wireless ADSL Router User Manual  REB-105  Samsung SGH-E910 User Manual    

Copyright © All rights reserved.
Failed to retrieve file