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Mitsubishi Electric PUHZ-RP125VHA2, Service Manual

The Mitsubishi Electric PUHZ-RP125VHA2 Service Manual is a comprehensive guide that allows users to maintain and troubleshoot their air conditioner. This manual is available for free download on our website, providing step-by-step instructions and diagrams to ensure optimal performance and cost-effective repairs. Access your copy today at manualshive.com.

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18

7

WIRING DIAGRAM

PUHZ-RP35VHA2   PUHZ-RP50VHA2   PUHZ-RP60VHA2   PUHZ-RP71VHA2

SYMBOL

M-NET ADAPTER

NAME

TB7
CN5
CND
CN2M
SW1
SW11

Terminal Block<M-net connection>
Connector<Transmission>
Connector<Power Supply>
Connector<M-NET communication>
Switch<Status of communication>
Switch<Address setting : 1st digit>

SYMBOL

NAME

SW12
LED1
LED2
LED3
LED4
LED5

Switch<Address setting : 2nd digit>
LED<Power Supply : DC5V>
LED<Connection to Outdoor Unit>
LED<Transmission : Sending>
LED<Transmission : Recelving>
LED<Power Supply : DC12V>

1 2 3 4 5 6

OFF

ON

35V

MODEL

SW6

w

1 MODEL SELECT

w

2 RP60/71V only

SW10

1 2

OFF

ON

1 2 3 4 5 6

OFF

ON

50V

1 2

OFF

ON

1 2 3 4 5 6

OFF

ON

60V

1 2

OFF

ON

1 2 3 4 5 6

OFF

ON

71V

1 2

OFF

ON

CN3

(WHT)

CN5

(RED)

CN2

(WHT)

CN4

(WHT)

2

1

1

2

CN52C

(BLK)

  52C

2
1

TH8

w

2

1

2

1

6

72

3

4

5

N . F .

LO

NO

CNAC2

(RED)

1

3

CNAC1

(WHT)

1

3

1 2

(RED)

CN5

NI

E

LI

L

N

S1 S2 S3

NO FUSE
BREAKER

POWER SUPPLY
   ~/N
230V 50Hz

INDOOR
UNIT

TB1

ACL

MC

U

V

W

R

S

PFC

CB1

CB2

CB3

I P M

P . B .

CN5

(WHT)

1 2 3

LED2

SW1

SW11

SW12

LED3

LED4

TB7

LED1

LED5

45

3

2

1

2

1

CND

 (WHT)

CN2M

(WHT)

M-NET SUBSTRATE

M-NET

A

B

S

When M-NET adaptor is connected

CNVMNT

(WHT)

3

2

1

1

3

CNDM

(WHT)

CN51

(WHT)

3

2

1

5

4

2

13

CNMNT

(WHT)

CNM

(WHT)

4 5

3

2

1

LEV-A

(WHT)

LEV-A

C.B.

4 5 6

3

2

1

LEV-B

(RED)

LEV-B

4 5 6

3

2

1

TH7/6
(RED)

63H

(YLW)

TRANS

X55

X51

TH3

(WHT)

CNDC

(PNK)

CNF1

(WHT)

TH4

(WHT)

TH7

TH6

TH3

TH4

4

3

2

1

2

1

TH33

(YLW)

TH33

2

1

2

1

SW7

SW6

SW1

SW9

SW10

CN31

11

10

12 13 14

6

5

7 8 9

1 2 3 4

MF1

6

5

7

1

4

CN2

(WHT)

CNS

(WHT)

CNAC

(WHT)

CN4

(WHT)

SV2

(BLU)

1

3

SS

(WHT)

21S4

(GRN)

4

3

2

2

1

1

CN52C

(RED)

1 2

5 6 7

LED1

LED2

3

1

3

X52

F1

F2

F5

F4

F3

w

1

wh

1

1

3 2

2

1

4

3

SW5

SW8

SW4

SWP

1

3

SV

21S4

1

BLK

RED

WHT

W V

U

TB1
MC
MF1
21S4
63H

TH3, TH33
TH4
TH6
TH7
TH8
LEV(A),LEV(B)
ACL

Terminal Block<Power Supply, Indoor/Outdoor>
Motor for Compressor
Fan Motors 

Solenoid Valve (Four-Way Valve)

High Pressure Switch

SV

Solenoid Valve

 (Bypass Valve)

Thermistor<Outdoor Pipe>

Thermistor<Discharge>
Thermistor<Outdoor 2-Phase Pipe>
Thermistor<Outdoor>
Thermistor<Radiator Panel>
Electronic Expansion Valve

Reactor
Power Circuit Board

Connection Terminal<U/V/W-Phase>

P.B.

U/V/W

Noise Filter Circuit Board
Connection Terminal<L-Phase>

Connection Terminal<Ground>

N.F.

LI/LO

Connection Terminal<N-Phase>

NI/NO
E

Controller Circuit Board

Switch<Forced Defrost, Defect History 
Record Reset, Refrigerant Address>

Switch<Test Operation>
Switch<Function Switch>

Switch<Function Setup>

Switch<Pump Down>
Connector<Emergency Operation>

SW1

SW4
SW5

SW7

Switch

SW8

SWP
CN31

CNM

CNVMNT

CNDM

LED1,LED2

Light Emitting Diodes
<Operation Inspection Indicators>

Connector<A-Control Service Inspection Kit>

Connector
<Connected to Optional M-NET Adapter Board>
Connector
< Connected for Option (Contact Input)>

C.B.

Inverter

IPM

Main Smoothing Capacitor

CB1~CB3

52C Relay

52C

SYMBOL

NAME

SYMBOL

NAME

SYMBOL

NAME

Connection Terminal<L/N-Phase>

R/S

CNMNT

Connector
<Connected to Optional M-NET Adapter Board>

Switch<Model Select>

SW6

Switch

SW9

Switch<Model Select>

SW10

Fuse<T6.3AL250V>

F1~4

X51,X52,X55 Reray

SS

Connector<Connection for Option>

Symbols used in wiring diagram above are,         :Connector,    :Terminal(block)

OC374A--1.qxp  06.7.26 5:07 PM  Page 18

Summary of Contents for PUHZ-RP125VHA2

Page 1: ...EVISED EDITION A R410A July 2006 Outdoor unit model names PUHZ RP35VHA2 PUHZ RP50VHA2 PUHZ RP60VHA2 PUHZ RP71VHA2 PUHZ RP100VHA2 PUHZ RP125VHA2 PUHZ RP140VHA2 PUHZ RP100YHA2 PUHZ RP125YHA2 PUHZ RP140YHA2 Service Ref PUHZ RP35VHA2 PUHZ RP50VHA2 PUHZ RP60VHA2 PUHZ RP71VHA2 PUHZ RP100VHA2 PUHZ RP125VHA2 PUHZ RP140VHA2 PUHZ RP100YHA2 PUHZ RP125YHA2 PUHZ RP140YHA2 PUHZ RP60VHA2 PUHZ RP71VHA2 NOTE This ...

Page 2: ...0GA PCA RP50GA2 PCA RP50 60 71 100 125 140GA PCA RP50GA2 OC329 PCA RP71 125HA PCA RP71 125HA OC330 PKA RP35 50GAL PKA RP35 50GAL OC331 PKA RP60 71 100FAL PKA RP50FAL2 PKA RP60 71 100FAL PKA RP50FA2 OC332 PSA RP71 100 125 140GA PSA RP71 100 125 140GA PEAD RP50 60 71 125 140EA PEAD RP50 60 71 125 140EA UK PEAD RP35 100EA2 PEAD RP35 100EA2 UK PEAD RP60 71 100GA PEAD RP60 71 100GA UK 1 2 TECHNICAL DAT...

Page 3: ...specifically designed for use with R410A refrigerant The following tools are necessary to use R410A refrigerant Keep the tools with care If dirt dust or moisture enter into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor Do not use a charging cylinder If a charging cylinder is used the composition of refrigera nt will change and the efficiency will b...

Page 4: ...for R134a R407C or R410A 5 Adaptor for reverse flow check Attach on vacuum pump 6 Refrigerant charge base 7 Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment 4 Refrigerant leakage detection function This air conditioner outdoor unit PUHZ RP HA2 can detect refrigerant leakage which may happen during a long period of use In order to enable...

Page 5: ...replace filter The air conditioner automatically performs cooling operation through replace filter for about 2 hours Measure the existing pipe thickness and check for damage Check if existing air conditioner can operate Existing air conditioner can operate Disconnect existing air con ditioner from piping Existing pipes can be reused In case the unit is RP35 50 60 or 71 which utilizes AB oil In cas...

Page 6: ...al dimensions Flare nut dimensions Outside diameter Dimension B mm R410A w w36 0mm for indoor unit of RP100 125 and 140 R22 Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valve Vacuum pump Flare tool Bender Pipe cutter Welder and nitrogen gas cylinder Refrigerant charging scale Vacuum gauge or thermis tor vacuum ga...

Page 7: ...h 30m max and 5m min of piping The additional refrigerant charging work during installation often causes problems Heretofore it is completely eliminated 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 RP HA2 can detect refrigerant leakage which may happen during a long period of use...

Page 8: ...16 13 1 1 Heating 6 47 HP switch Discharge thermo HP switch Discharge thermo Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING A A kW W kW K min CFM dB dB mm in mm in mm in kg lbs kg lbs L mm in mm in Power supply phase cycle voltage Running current Max current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan d...

Page 9: ...rmo Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 2 4 1 9 28 ANV33FDDMT 50 52 ANB33FCKMT 121 267 116 256 A A kW W kW K min CFM dB dB mm in mm in mm in kg lbs kg lbs L mm in mm in Power supply phase cycle voltage Running current Max current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan drive o No Fan moto...

Page 10: ...PUHZ RP35VHA2 PUHZ RP100VHA2 PUHZ RP125VHA2 PUHZ RP125YHA2 PUHZ RP140VHA2 PUHZ RP140YHA2 PUHZ RP50VHA2 PUHZ RP60VHA2 PUHZ RP71VHA2 U V U W W V Unit Compressor model Winding Resistance ANV33FDDMT at 20 C 0 266 0 266 0 266 SNB130FLBH 0 300 0 340 0 300 0 340 0 300 0 340 PUHZ RP100VHA2 ANV33FDBMT 1 064 1 064 1 064 ANB33FDFMT ANB33FCKMT 0 302 0 302 0 302 0 188 0 188 0 188 PUHZ RP100YHA2 PUHZ RP35 50VHA...

Page 11: ...0 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ RP100VHA2 PUHZ RP100YHA2 COOLING MODE HEATING 49 SPL dB 51 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE...

Page 12: ...ake air temperature V A V A MPa MPa C C C m C C C C C Indoor unit D B W B D B D B W B PLA RP35AA PLA RP50AA PLA RP60AA PLA RP35AA PLA RP50AA PLA RP60AA Cooling 3 600 1 07 Heating 4 100 1 12 Cooling 5 000 1 55 Heating 6 000 1 62 Cooling 6 000 1 65 Heating 7 000 1 85 4 01 2 70 1 01 70 46 15 5 27 19 15 6 35 24 0 89 0 11 4 23 2 69 0 74 71 41 2 5 20 15 35 5 7 6 6 16 2 91 0 99 73 49 11 5 27 19 15 4 35 2...

Page 13: ...A2 PLA RP100AA2 PLA RP125AA2 PLA RP140AA2 Cooling 10 000 3 02 Heating 11 200 3 02 Cooling 12 500 3 87 Heating 14 000 3 88 Cooling 14 000 4 65 Heating 16 000 4 69 12 53 2 55 0 94 63 44 11 5 27 19 13 0 35 24 0 78 0 04 12 39 2 46 0 70 70 42 3 5 20 15 42 5 7 6 15 53 2 72 0 88 69 46 9 5 27 19 12 2 35 24 0 74 0 05 15 98 2 73 0 66 76 47 2 5 20 15 45 5 7 6 19 65 2 86 0 81 76 48 8 5 27 19 11 2 35 24 0 71 0...

Page 14: ... 2 73 0 66 76 47 2 5 20 15 45 5 7 6 6 37 2 86 0 81 76 48 8 5 27 19 11 2 35 24 0 71 0 05 6 46 2 90 0 64 83 50 1 5 20 15 49 6 7 6 1 50 230 0 92 3 50 400 1 50 230 0 92 3 50 400 1 50 230 0 92 3 50 400 Phase Hz Volts Amperes Outdoor unit Phase Hz Volts Current Discharge pressure Suction pressure Discharge temperature Condensing temperature Suction temperature Ref pipe length Intake air temperature Disc...

Page 15: ... foundation bolt 33 drain hole 33 drain hole 43 6 152 155 400 347 5 45 4 365 330 300 40 Handle for moving 600 10 300 150 287 5 Installation bolt pitch 500 800 69 3 5 4 3 183 90 155 23 32 5 18 1 FOUNDATION BOLTS 2 PIPING WIRING DIRECTION Piping and wiring connection can be made from the rear direction only 3 ATTACHING THE CONDUIT In order to attach the conduit it is necessary to fix the metal plate...

Page 16: ...71VHA2 O v e r 1 0 m m F R E E O v e r 5 0 0 m m O v e r 1 0 0 m m O v e r 1 0 m m 1 Refrigerant GAS pipe connection FLARE 15 88 5 8F 2 Refrigerant LIQUID pipe connection FLARE 9 52 3 8F w1 Indication of STOP VALVE connection location ...

Page 17: ...iring hole 2 27Knock Out Front trunking hole Knock Out Front piping hole Knock Out 9 2 81 219 145 145 220 30 145 71 71 Drain hole 5 33 Bottom piping hole Knock Out A 322 635 371 w1 443 w1 447 950 23 1350 Handle for moving Earth terminal Terminal connection Left Power supply wiring Right Indoor Outdoor wiring A 1 076 930 RP VHA2 RP YHA2 PUHZ RP100VHA2 PUHZ RP125VHA2 PUHZ RP140VHA2 PUHZ RP100YHA2 PU...

Page 18: ... CN2 WHT CNS WHT CNAC WHT CN4 WHT SV2 BLU 1 3 SS WHT 21S4 GRN 4 3 2 2 1 1 CN52C RED 1 2 5 6 7 LED1 LED2 3 1 3 X52 F1 F2 F5 F4 F3 w1 wh 1 1 3 2 2 1 4 3 SW5 SW8 SW4 SWP 1 3 SV 21S4 1 BLK RED WHT W V U TB1 MC MF1 21S4 63H TH3 TH33 TH4 TH6 TH7 TH8 LEV A LEV B ACL Terminal Block Power Supply Indoor Outdoor Motor for Compressor Fan Motors Solenoid Valve Four Way Valve High Pressure Switch SV Solenoid Va...

Page 19: ...ischarge Thermistor Outdoor 2 Phase Pipe Thermistor Outdoor Thermistor Heat Sink Electronic Expansion Valve Reactor 52C Relay RS Rush Current Protect Resistor ACTM Active Filter Module CB Main Smoothing Capacitor Power Circuit Board Connection Terminal U V W Phase Diode Bridge P B TABU V W Noise Filter Circuit Board Connection Lead L Phase Connection Terminal Ground N F LI LO Connection Lead N Pha...

Page 20: ...Terminal Block Indoor Outdoor Motor for Compressor Fan Motor Solenoid Valve Four Way Valve High Pressure Switch SV Solenoid Valve Bypass Valve Thermistor Outdoor Pipe TH33 Thermistor Outdoor Pipe Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Outdoor Linear Expansion Valve Reactor RS Rush Current Protect Resistor CB1 CB2 Main Smoothing Capacitor CK Capacitor Power Circuit Board Co...

Page 21: ... Min 2 5 2 o Min 4 2 o Min 6 4 o Min 1 5 1 o Min 1 5 1 o Min 2 5 1 o Min 4 1 o Min 6 1 o Min 1 5 3 o 1 5 Polar 3o 1 5 Polar 3 o 1 5 Polar 3 o 1 5 Polar 3 o 1 5 Polar 1 o Min 1 5 1 o Min 1 5 1 o Min 1 5 1 o Min 1 5 1 o Min 1 5 2 o 0 3 Non polar 2 o0 3 Non polar 2 o 0 3 Non polar 2 o 0 3 Non polar 2 o 0 3 Non polar AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V AC 230 V AC 2...

Page 22: ... breaker with at least 3 mm contact separation in each pole shall be provided Use non fuse breaker NF or earth leakage breaker NV 2 Max 120 m For PUHZ RP100 125 140 YHA2 application use shield wires The shield part must be grounded with the indoor unit OR the outdoor unit NOT with both 3 The 10 m wire is attached in the remote controller accessory Max 500 m 4 The figures are NOT always against the...

Page 23: ...errors if water enters the cables and causes insufficient insulation to ground or a poor electrical contact at the intermediate connection point If an intermediate connection is necessary be sure to take measures to prevent water from entering the cables When the shield line is not used several dB is exceeded with 30 40 MHz There is a possibility to be used by the wireless for the ship etc though ...

Page 24: ... spots on the shield wire noise may enter into the shield wire because the ground wire and shield wire form one circuit and the electric potential difference occurs due to the impedance difference among grounding 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 no...

Page 25: ...t addresses are 00 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 23 4 5 6 7 8 9 0 1 2 50 M NET Address No Setting example Switng setting SW11 ones digit SW12 tens digit OFF ON 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3...

Page 26: ...100 Muffler Stop valve with service port Distributor Thermistor TH7 Outdoor Heat exchanger Refrigerant GAS pipe connection 5 8F Refrigerant LIQUID pipe connection 3 8F Stop valve with service port Strainer 100 Power receiver Linear expansion valve B Linear expansion valve A Strainer 100 Strainer 100 Strainer 100 Thermistor TH6 Outdoor 2 phase pipe Thermistor TH3 Outdoor pipe Charge plug Low pressu...

Page 27: ...n valve B Linear expansion valve A Strainer 100 Strainer 100 Strainer 100 Thermistor TH6 Outdoor 2 phase pipe Thermistor TH3 Outdoor pipe Charge plug Low pressure Charge plug High pressure High pressure switch 63H Replace filter Thermistor TH4 Discharge Compressor Strainer 50 Solenoid valve Four way valve Strainer 100 Strainer 100 Muffler Ball valve Restrictor valve Solenoid valve Bypass valve The...

Page 28: ...ted normally 2After 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 ventilators indoor and outdoor units start operating and refrigerant collecting operation begins LED1 and LED2 on the control board of the outdoor unit are lit wSet the SWP switch push button type to ON in order to perform refrigerant collecting oper...

Page 29: ...ce 3There is no abnormality concerning of parts such as electrical component controller board remote controller and etc 1Re check the abnormal symptom 2Conduct trouble shooting and ascertain the cause of the inferior phenomenon according to 10 5 Troubleshooting by inferior phenomena 3Continue to operate unit for the time being if the cause is not ascertained 4There is no abnormality concerning of ...

Page 30: ...artup is displayed green once and red once blink alternately F1 After startup is displayed green once and red twice blink alternately F3 F5 F9 After startup is displayed green twice and red once blink alternately EA Eb After startup is displayed only green lights up 00 After startup is displayed only green lights up 00 indicates digital display 2 Press TEST button twice 1 Turn on the main power su...

Page 31: ...troller display turned off A and current operation mode are displayed 3 Press the button to activate mode then check whether cool air is blown out from the unit 4 Press the button to activate mode then check whether warm air is blown out from the unit 5 Press the button and check whether strong air is blown out from the unit 6 Press the button and check whether the auto vane operates properly 7 Pr...

Page 32: ...ror codes the latest check code can be recalled even if it is cancelled by the remote controller or power is shut off Check the error code history for each unit using the remote controller 1 Switch to self diagnosis mode H Press the CHECK button twice within three seconds The display content will change as shown below 2 Set the unit number or refrigerant address you want to diagnose F Press the TE...

Page 33: ... Thedisplaycontentwill change as shown below A Press the FILTER button to start self diagnosis 3 Remote controller self diagnosis result When the remote controller is functioning correctly Check for other possible causes as there is no problem with the remote controller When the remote controller malfunctions Error display 1 NG flashes The remote controller s transmitting receiv ing circuit is def...

Page 34: ...tdoor unit installation manual If an air conditioner error occurs the indoor unit s sensor emits an intermit tent buzzer sound the operation light flashes and the error code is output It takes 3 seconds at most for error code to appear The check mode is cancelled Malfunction diagnosis method at maintenance service 10 3 4 Malfunction diagnosis method by wireless remote controller In case of trouble...

Page 35: ...mp flashes Check code Symptom Remark Number of times Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp flashes Check code Number of times Wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error 5 P5 Drain pump error ...

Page 36: ...uit board RP35 71V Disconnection of connector R or S Refer to 10 9 RP100V 140V Disconnection of connector TABT or TABS Refer to 10 9 3 Check connection of the connector CNDC on the outdoor controller circuit board Check connection of the connector LD1 and LD2 for RP35 71V and CNDC for RP100 140 on the outdoor power circuit board V noise filter Y Refer to 10 9 4 Check connection of reactor DCL or A...

Page 37: ... of connected indoor units Abnormal if the number cannot be checked automatically due to mis wiring of indoor outdoor unit connecting wire and etc after power is turned on for 4 minutes 2 Abnormal if outdoor controller circuit board recognizes the number of connected indoor units as 4 units or more 1 Check disconnection or looseness or polarity of indoor outdoor unit connecting wire of indoor and ...

Page 38: ... is displayed refer to Judgment and action for F5 7 Check linear expansion valve Refer to 10 6 8 Replace outdoor controller board Case U2 1102 Abnormal high discharging temperature 1 Abnormal if discharge temperature thermistor TH4 exceeds 125 or 110 continuously for 5 minutes Abnormal if condenser evaporator temperature thermistor TH5 exceeds 40 during defrosting and discharge temperature thermis...

Page 39: ...ck connection of connector TH4 on the outdoor controller circuit board Check breaking of the lead wire for thermistor TH4 Refer to 10 9 2 Check resistance value of thermistor TH4 or temperature by microcomputer Thermistor TH4 Refer to 10 6 SW2 on A Control Service Tool Refer to 10 10 3 Replace outdoor controller board U4 TH3 5105 TH6 5107 TH7 5106 TH8 5110 Open short of outdoor unit thermistors TH...

Page 40: ...supply voltage 2 Disconnection of compressor wiring 3 Defective 52C 4 Disconnection or loose connec tion of CN52C RP35 71VHA2 only 5 Defective PFC module of outdoor power board RP35 71VHA2only 6 Defective ACT module RP100 140VHA2 only 7 Defective ACT module drive circuit of outdoor power circuit board RP100 140VHA2 only 8 Disconnection or loose connec tion of CNAF RP100 140VHA2 only 9 Defective ou...

Page 41: ...ntroller circuit board 7 Check compressor Refer to 10 6 W Before the replacement of the outdoor controller 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 performing frequency E0 or...

Page 42: ...between outdoor controller cir cuit board CNMNT and M NET board CN5 2 Check disconnection looseness or breaking of connection wire between outdoor controller cir cuit board CNMNT and M NET board CND 3 Check M NET transmission wiring method E8 6840 Indoor outdoor unit communication error Signal receiving error Outdoor unit 1 Abnormal if outdoor controller circuit board could not receive anything no...

Page 43: ...emote con troller is not connected to terminal block for central control TB7 of outdoor unit 2 Check if transmission wore of indoor unit FRESH MASTER or LOSSNAY is not con nected to terminal block for transmission wire of outdoor unit 3 Check if terminal block for transmission wire TB3 and terminal block for central control TB7 is not connected 4 Check transmission wave form or noise on transmissi...

Page 44: ...of transmission connector CN2M of outdoor unit 3 Defective transmitting receiv ing circuit of outdoor unit or indoor unit Always try the followings when the error A7 occurs 1 Shut off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSS NAY at the same time for two minutes or more and put the power on again If mal function was accidental the unit returns to normal 2 Check addr...

Page 45: ...y of same refrigerant sys tem with LOSSNAY is put off or within two minutes of restart abnormality is detect ed 3 Contact failure of transmission wire of indoor unit of LOSS NAY 4 Disconnection of transmission connector CN2M of indoor unit 5 Defective transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is nonexistent 1 The unit of former address does not e...

Page 46: ...LED3 on indoor con troller board 1 When LED3 is not blinking Check indoor outdoor connecting wire for mis wiring Converse wiring of S1 and S2 or break of S3 wiring 2 When LED3 is blinking Indoor outdoor connecting wire is nor mal 4Check LED display on outdoor controller circuit board Refer to 10 10 Check protection device connector 63L and 63H for contact failure Refer to 10 9 Error Code Meaning o...

Page 47: ...y when turning off by the remote controller 12Normal operation For protection of compressor 12Normal operation 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 1The pair number settings of the wireless remote controller and indoor controller board are mis matched 1Check the pair...

Page 48: ...sis after turning on the main power Normal The start up diagnosis will be over in around 2 minutes Mis wiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoor controller board Defective outdoor controller circuit board Refer to Self diagnosis action table in order to solve the trouble In case of communication errors the display of remote controller m...

Page 49: ...t board are blown Check the wiring of the outdoor unit 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 Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Check if mis wiring breaking or poor contact is causing this proble...

Page 50: ...outdoor controller circuit board Replace the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant address to 0 In case of the multiple grouping system recheck the refrigerant address again Defective indoor power board Replace the indoor power board Defective outdoor power circuit board Replace the outd...

Page 51: ...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 The remote controller wire short circuits Check if the remote controller wire is short circuited Defective indoor controller board Replace the indoor controller board Diagnosis flow Cause Inspecti...

Page 52: ...ler twice to clear FILTER from the display See the operation manual that came with the product for how to clean the filters 3 STANDBY is displayed on the screen 3 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...

Page 53: ...the outdoor unit is controlling the airflow amount in order to keep the optimum operating condition 5 A sound similar to water flowing is heard from the unit 5 This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit 2 The fan speed doesn t match the setting of the remote controller in HEAT operation The up down vane will be automatically se...

Page 54: ...sed 3 The airflow direction doesn t change Up down vane left right louver 3 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 presse...

Page 55: ... 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 collected and drained out for once Water or moisture is expelled from the outdoor unit Batteries are being exhausted Replace them and press the reset button of remote controller The display of wireless remote controller gets dim or doesn t come on The indoor...

Page 56: ... B For RP35 RP71 Linear expansion valve LEV A LEV B For RP100 RP140 Normal Abnormal Open or short RP35 71VHA2 Open or short Disconnect the connector then measure the resistance using a tester Winding temperature 20 Normal Gray Black Gray Red Gray Yellow Gray Orange Abnormal 46 3 Open or short Measure the resistance between the terminals using a tester Surrounding temperature 20 Normal 1450 150 Abn...

Page 57: ...VCC DC15V TEST POINT 3 VSP between 6 and 4 of the fan connector VSP DC1 to 6 5V The voltage of VSP is a value during the fan motor operation In the case that the fan motor off the voltages is 0V Fan motor position sensor signal check Measure the voltage at the TEST POINT 4 VFG between 7 and 4 of the fan connector while slowly turning the fan motor more than one revolution Wiring recovery Trouble o...

Page 58: ...3 0k 1 1 Thermistor R50 17k 2 B constant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat sink TH8 WRP35 RP140V only 20 250k 30 160k 40 104k 50 70k 60 48k 70 34k 80 24k 90 17 5k 100 13 0k 110 9 8k High temperature thermistor Thermistor Discharge TH4 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temp...

Page 59: ... can be heard than normal situation No noise is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Noise can be detected by placing the ear against the screw dri ver handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 2 1 Red RP35 RP71 Brown Blue Orange Yellow White 3 4 5 6 Connector LEV A LEV B DC12V Outdoor ...

Page 60: ...re noise can be heard than normal situation No noise is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Noise can be detected by placing the ear against the screw dri ver handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 1 Gray Orange Red Yellow Black 3 4 5 6 Connector LEV A DC12V Outdoor controller board...

Page 61: ...y firmly Otherwise pipes can bend due to pressure How to attach the coil 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 pipe B At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stop per is no...

Page 62: ...therwise pipes can bend due to pressure How to attach the coil 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 wound by lead wire If the stopper is not firmly...

Page 63: ... 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 4Do not perform emergency heating operation for an extended period of time If the outdoor unit starts defrosting during this period cold air will blow out from the indoor unit 5Do not perform emergency cooling operation for m...

Page 64: ...5 45 80 50 35 5 30deg 5deg HEAT 20 5 45 50 22 5 80 5 7 5 30deg 5deg w1 w1 w1 w1 w2 w2 Remarks w1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data If the unit enters emergency operation because TH values have become mismatched setting the thermistors to open short corrects the settings w2 If one thermistor is set to open short the values...

Page 65: ...wer circuit board CN4 SW10 Model select SW4 Test operation SW6 Model select SW5 Function switch SW1 Forced defrost detect history record reset refrigerant address CNDM 1 to 2 Input of silent mode 1 to 3 Input of external contact point TH4 Thermistor Discharge TH3 Thermistor Outdoor pipe TH7 Thermistor Outdoor TH6 Thermistor Outdoor 2 phase pipe CNDC DC280V 380V Connect from out door power circuit ...

Page 66: ... ACL CN52C 52C relay signal Connect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 220 240V AC Connect to the outdoor controller circuit board CNAC EI Connect to the earth LI NI Voltage of 220 240V AC is input Connect to the terminal block TB1 ...

Page 67: ... CN52C 52C relay signal Connect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 220 240V AC Connect to the outdoor controller circuit board CNAC EI Connect to the earth LI NI Voltage of 220 240V AC is input Connect to the terminal block TB1 ...

Page 68: ... NI Voltage of 220 240V AC is input Connect to the terminal block TB1 CN5 Primary current Connect to the outdoor power circuit board CN5 LO NO Voltage of 220 240V AC is output Connect to the outdoor power circuit board TABS TABT Outdoor noise filter circuit board PUHZ RP100VHA2 PUHZ RP125VHA2 PUHZ RP140VHA2 ...

Page 69: ...ct to the earth CNAC1 CNAC2 AC220 230 240V Connect to the outdoor controller circuit board CNAC CNDC Connect to the outdoor controller circuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 AC380 400 415V OUTPUT Connect to the outdoor converter circuit board and ACL L1 IN ACL2 ACL3 CNCT Primary current Connect to the outdoor power circuit board CN5 NO Connect to the outdoor converter ...

Page 70: ...e in the following points connectors etc If they are short circuited it means that they are broken 1 Check of DIP IPM P2 U P2 V P2 W N2 U N2 V N2 W 2 Check of DIP PFC P1 L P1 N L N1 N N1 Note The marks L N N1 N2 P1 P2 U V and W shown in the diagram are not actually printed on the board LD1 LD2 280 380V DC Connect to the outdoor controller circuit board CNDC R S Connect to the ACL 220 240V AC U V W...

Page 71: ...C 1 3 Connect to the outdoor controller circuit board TABS TABT Connect to the outdoor noise filter circuit board Voltage among phases 220 240V AC Brief Check of POWER MODULE W 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 T...

Page 72: ... Connect to the outdoor controller circuit board CN2 1 5 Power circuit board Transmitting signal to the controller board 0 5V DC 2 5 Zero cross signal 0 5V DC 3 4 Not used 6 5 16V DC 7 5 16V DC 5 1 2 6 7 Note The marks L1 L2 L3 N1 N2 P1 P2 U V and W shown in the diagram are not actually printed on the board W N2 N1 P2 P1 L1 L2 L3 W W TAB connecter on X52A Connect to the RS resistor POWER MODULE TB...

Page 73: ... L2 A2 L3 A2 Connect to the ACL1 ACL2 ACL3 CN7 Connect to the outdoor power circuit board CN7 CK OU Connect to the CK capacitor L1 IN N IN Connect to the noise filter circuit board LO1 No L1 A1 Connect to the ACL1 L1 OU L2 OU L3 OU Connect to the outdoor power circuit board TB L1 L2 L3 ...

Page 74: ...hanged 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 10 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS 1 Function of switches w1 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 ...

Page 75: ...ated on the outdoor controller board enables to control compressor operation frequency W The performance is depends on the load of conditioned outdoor temperature How to wiring 1 Make the circuit as shown above with Adaptor 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 deman...

Page 76: ...d by remote controller Remote controller signal receiving error is detected by indoor unit Remote controller transmitting error is detected by indoor unit Serial communication error Communication between outdoor controller board and outdoor power board Communication between outdoor controller board and M NET p c board Communication error of high prior signal M NET W1 Error code displayed on remote...

Page 77: ...er board are not disconnected 2Measure resistance value of outdoor thermistors Abnormality of radiator panel temperature 1Check if indoor outdoor units have a short cycle on their air ducts 2Measure resistance value of outdoor thermistor TH8 1Check the outdoor fan motor 2Check if connector TH3 on outdoor controller board is disconnected Abnormality of voltage 1Check looseness disconnection and con...

Page 78: ...splayed during replacement operation for RP100 RP140 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display Contents to be inspected When power is turned on F5 E8 E9 EA Eb EC E0 E7 63H connector yellow is open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoor communication error Transmitting err...

Page 79: ... hours or more hundreds digit tens digit and ones digit are displayed by turns Example When 2450 hours 245 10 hours 0 5 secs 0 5secs 2 secs 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Compressor operating current 0 50 LEV A opening pulse 0 480 0 50 wOmit the figures after the decimal fractions 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Examp...

Page 80: ...ry 2 Alternate display of error unit number and code 3 217 When the temperature is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 secs 0 5secs 2 secs A Code display Code display 0 20 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Thermostat ON time 0 999 Test run elapsed time...

Page 81: ... Cooling only Single phase Three phase Display details 0 H P 1 Cooling only 0 Single phase 2 Three phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump three phase and defrosting normal are set up 20 is displayed 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor pipe temperature Cond Eva TH5 1 Indoor 1 39 88 39 88 When the temperature is 0 or less and temp...

Page 82: ...ndreds 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 V 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor setting temperature...

Page 83: ...ghting Cancellation of postponement 00 is displayed in case of no postponement Code display Error code history 3 Oldest Alternate display of abnormal unit num ber and code When no error history 0 and are displayed by turns Error thermistor display When there is no error thermistor is displayed 3 Outdoor pipe temperature Liquid TH3 6 Outdoor pipe temperature Cond Eva TH6 7 Outdoor outside temperatu...

Page 84: ...C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs 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 C 0 5 secs 0 5secs 2 secs Outdoor outside temperature TH7 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are disp...

Page 85: ... turns When there is no indoor unit 00 is displayed 50 1 1 ON 2 3 4 5 6 Discharge super heat on error occurring SHd 0 255 Cooling TH4 TH6 Heating TH4 TH5 Replacement operation WIf replacement operation is conducted even once 1 is displayed If replacement operation time is less than 2 hrs 0 is displayed 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Minute 1 Conducted 0 ...

Page 86: ...ng indoor units The average is considered as indoor temperature Indoor unit with remote controller Remote controller s internal sensor w1 Not supported Supported indoor unit not equipped with outdoor air intake Supported indoor unit equipped with outdoor air intake 240V 220V 230V Auto energy saving operation ON Auto energy saving operation OFF 2 Normal 3 When the compressor operates the humidifier...

Page 87: ... setting Press E Specified indoor unit BLOW operation Change refrigerant address unit No 2 Switch to function setting mode Press A and B at the same time with the remote controller stopped 11 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 detecti...

Page 88: ...ppears and flashes in the unit number display area and the refrigerant address display area also flashes there are no units that corre spondtotheselectedunitnumber Inthiscase therefrigerantaddressandunit number may be incorrect so repeat steps 2 and 3 to set the correct ones When grouping different refrigerant systems if an indoor unit other than the one to which the refrigerant address has been s...

Page 89: ...ted twice 3 2 beeps 0 4 seconds each repeated three 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 beep may be heard Reenter the setting number 6 Repeat steps 4 and 5 to make an additional setting without changing unit number 7 Repeat step...

Page 90: ...ng value The automatic mode is displayed when the operation mode is selected 2 OFF The automatic mode is not displayed when the operation mode is selected 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the ON OFF button 1 Main The controller will be the main controller 2 Sub The controller will be the sub controller 2 Use of clock setting To switch the ...

Page 91: ...itial setting value Operation lock setting is except On Off buttons 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 The tempera...

Page 92: ...s the TEMP buttons and to select the desired refrigerant address Screen B 4 Press the CLOCK buttons and to set the desired request code No 5 Press the FILTER button to perform data request The requested data will be displayed at C 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...

Page 93: ...red by thermostat Indoor unit Intake air temperature Unit No 1 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 2 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 3 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 4 Heat mode 4 deg correction Indoor unit Liquid pipe temperature Unit No 1 Indoor unit Liquid pipe temperature Unit No 2 In...

Page 94: ...Error postponement history 1 latest Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 255 Refer to12 2 1 DetailContentsinRequestCode Refer to12 2 1 DetailContentsinRequestCode Refer to12 2 1 DetailContentsinRequestCode Refer to12 2 1 DetailContentsinRequestCode 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after versi...

Page 95: ...or history 3 third to last Abnormal thermistor display TH3 TH6 TH7 TH8 Operation mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror Outdoor unit Liquid pipe 2 temperature at time of ...

Page 96: ...g time Fan motor ON time Indoor fan output value Sj value Indoor fan output value Pulsation ON OFF Indoor fan output value duty value Indoor unit Model setting information Indoor unit Capacity setting information Indoor unit SW3 information Wireless pair No indoor control board side setting Indoor unit SW5 information Indoor unit Microcomputer version information Indoor unit Microcomputer version ...

Page 97: ... C D C 4 Relay output state Operation mode Indoor unit Control state Request code 50 Data display Operation mode Display Operation mode 0 STOP FAN C COOL DRY H HEAT d Defrost Relay output state Display Power currently Compressor Four way valve Solenoid valve supplied to compressor Unit No 4 state Unit No 3 state Unit No 2 state Unit No 1 state Display State 0 Normal 1 Preparing for heat operation ...

Page 98: ...ay SV1 Four way valve Compressor 0 1 2 3 4 5 6 7 8 9 A b C d E F ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON ON Actuator output state 2 Display 52C SV2 SS 0 1 2 3 4 5 6 7 ON ON ON ON ON ON ON ON ON ON ON ON Error content U9 Request code 55 Data display Error content 1 Error content 2 0 0 Error content 1 Detected Display Overvoltage Undervoltage L1 p...

Page 99: ...equest code 70 Data display Capacity 10 50 9 35 11 60 14 71 20 100 25 125 28 140 40 200 50 250 Outdoor unit Setting information Request code 71 Data display Setting information 1 Setting information 2 0 0 Setting information 1 Display Defrost mode 0 Standard 1 For high humidity Setting information 2 Display Single Heat pump three phase cooling only 0 Single phase Heat pump 1 Cooling only 2 Three p...

Page 100: ... 1 0 0 0 1 1 1 1 0 0 1 1 1 0 1 0 1 1 1 1 1 0 1 1 1 0 0 1 1 1 1 1 0 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 Outdoor unit switch setting display SW1 to SW10 except SW3 Request codes 73 to 82 0 Swich OFF 1 Swich ON Data display SW5 1 2 3 4 0 0 0 0 00 00 1 0 0 0 00 01 0 1 0 0 00 02 1 1 0 0 00 03 0 0 1 0 00 04 1 0 1 0 00 05 0 1 1 0 00 06 1 1 1 0 00 07 0 0 0 1 00 08 1 0 0 1 00 09 0 1 0 1 00 0A 1 1 0 1 00 0b 0 0...

Page 101: ...32 13 33 14 34 15 35 16 36 17 37 18 38 19 39 1A 3A 1b 3b 1C 3C 1d 3d 1E 3E 1F 3F Indoor unit Capacity setting information Request code 163 Data display 0 0 See the table on the right Display Capacity setting state Display Capacity setting state 00 12 10 112 01 16 11 125 02 22 12 140 03 25 13 160 04 28 14 200 05 32 15 224 06 36 16 250 07 40 17 280 08 45 18 09 50 19 0A 56 1A 0b 63 1b 0C 71 1C 0d 80 ...

Page 102: ...ant 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 Display A 3 Press the FILTER button to confirm the setting Display D Waiting for stabilization HEAT S...

Page 103: ...ger temperature Comp discharge temperature Outdoor ambient temperature INDOOR UNIT INLET TEMP INDOOR UNIT H EXC TEMP INDOOR UNIT FILTER USE H Indoor room temperature Heat exchanger temperature Filter operating time 12 340 hours Display C Waiting for response Flashing After approx 10 seconds 1 1 Refrigerant address 00 Twin Refrigerant address 00 Outdoor unit Indoor unit 02 Indoor unit 01 Outdoor un...

Page 104: ... temperature 8 Indoor heat exchanger temperature 8 Indoor heat exchanger temperature 7 Indoor intake air temperature Cool Classification Item Result Inspection Temperature difference Heat Inspection Temperature difference Stable Unstable Stable Unstable Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 40 or higher or in...

Page 105: ...before enable this setting Display A GAS LEAK TEST START GAS LEAK JUDGE Refrigerant leakage detection judgement Refrigerant leakage detection initial teaching 1 How to select the Refrigerant Leakage Detection mode Detection is possible regardless the unit s operation ON or OFF 1Press button for more than three seconds to switch to EASY MAINTENANCE mode Display A 2 How to start the initial learning...

Page 106: ...cel 4 And then please start Judgment of refrigerant leakage mode 1 5 H ow toresetthe initial condition data When the unit is removed and installed again or refrigerant is changed additionally the Initial learning must be performed again by following procedure 1 Turn Main Power OFF 2 Connect the pin pf CN31 to ON position on the outdoor controller board 3 Turn SW4 1 on the outdoor controller board ...

Page 107: ...from the right and 3 from the rear side and detach the back panel 2 Removing the fan motor 1 Remove the top panel See photo 1 2 Remove the front panel See photo 1 3 Remove 1 nut M6 left screw and detach the propeller 4 Disconnect the connector CNF1 on the controller circuit board in the electrical parts box 5 Loosen the clamp for the lead wire in the motor support 6 Remove 4 fan motor fixing screw...

Page 108: ...moving the electrical parts box 1 Remove the service panel See photo 2 2 Remove the top panel See photo 1 3 Remove the front panel See photo 1 4 Disconnect the indoor outdoor connecting wire from terminal block 5 Remove all the following connectors from controller circuit board fan motor linear expansion valve thermistor Outdoor pipe thermistor Discharge thermistor Outdoor 2 phase pipe thermistor ...

Page 109: ...l out the thermistor Discharge TH4 from the sensor holder See photo 8 w When attaching the thermistor Discharge TH4 place it to its original position 7 Removing the solenoid valve coil Four way valve 21S4 and linear expansion valve coil LEV A LEV B 1 Remove the service panel See photo 2 2 Remove the top panel See photo 1 3 Remove the front panel See photo 1 4 Remove the back panel See photo 1 5 Re...

Page 110: ... 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 10 Removing the high pressure switch 63H 1 Remove the service panel See photo 2 2 Remove the top panel See photo 1 3 Remove the front panel See photo 1 4 Remove the back panel See photo 1 5 Remove the electrical parts box See photo 5 6 Pull out the l...

Page 111: ... 8 Remove 3 compressor fixing nuts by using a spanner or a adjustable wrench 9 Remove the welded pipe of motor for compressor inlet and outlet Note Collect refrigerant without spreading it in the air Receiver leg fixing screw Receiver leg 13 Removing the power receiver 1 Remove the service panel See photo 2 2 Remove the top panel See photo 1 3 Remove the front panel See photo 1 4 Remove the back p...

Page 112: ...ixing screws Propeller Front panel Front panel fixing screws Nut Terminal block TB1 Photo 2 Valve bed Screw Slide 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 from terminal block 4 Remove all the following connectors from controller circuit board fan motor linear expansion valve therm...

Page 113: ...oller circuit board in the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2 phase pi...

Page 114: ... Remove the welded part of four way valve Note 1 Collect 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 four 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 oxi dized 9 Removing the linear expansion valve 1 Remo...

Page 115: ...h pressure switch 63H 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 4 Remove 3 right side panel fixing screws 5 10 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure switch 6 Collect the refrigerant 7 Remove the welded part of high pressure switch Note 1 Collect refrigerant wi...

Page 116: ...outlet and then remove the compressor Note Collect refrigerant without spreading it in the air 14 Removing the power receiver 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 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 10 and remove the back cover panel 5 Remove the electrical pa...

Page 117: ...rmistor Discharge thermistor Outdoor 2 phase pipe thermistor Outdoor high pressure switch low pressure switch solenoid valve coil Four way valve and solenoid valve coil Bypass valve Then remove a screw 4 8 from the valve bad to remove the lead wire Pull out the disconnected wire from the electrical parts box Diagram symbol in the connector housing Fan motor CNF1 CNF2 Linear expansion valve LEV A a...

Page 118: ...4 Loosen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2 phase pipe Photo 6 Clamp Controller circuit board C B Th...

Page 119: ...igerant 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 four 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 9 Removing linear expansion valve 1 Remove the service panel See figure 1 2 Remove the top panel See figur...

Page 120: ...e the reactor Removing the capacitor 4 Remove 2 capacitor band fixing screws 4 10 and remove the capacitor w The reactor and capacitor is attached to the rear of the electrical parts box Photo 9 Capacitor band fixing screws 11 Removing the high pressure switch 63H 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 10 in the rear ...

Page 121: ...hen remove the compressor Note Collect refrigerant without spreading it in the air 14 Removing the power receiver 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 10 and remove the front cover panel See photo 3 4 Remove 2 back cover panel fixing screws 5 10 and remove the back cover panel 5 Remove the electrical parts box See ...

Page 122: ...h the fan motor See photo 2 Fan motor fixing screws Photo 3 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 from terminal block 4 Disconnect the connector CNF1 CNF2 LEV A and LEV B on the controller circuit board Symbols on the board CNF1 CNF2 Fan motor LEV A LEV B Linear expansion valve...

Page 123: ...ve the 2 screws screw 6 and 7 that fix the plate equipped with the noise filter circuit board and converter circuit board See photo 9 Note When reassembling the electrical parts box make sure the wirings are correct Photo 4 6 Remove the terminal cover and disconnect the compressor lead wire 7 Remove 2 electrical parts box fixing screws 4 10 and detach the electrical parts box by pulling it upward ...

Page 124: ...al parts box 4 Loosen the 2 wire clamps on top of the electrical parts box See photo 10 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 5 above to remove thermistor Outdoor 2 phase pipe Photo 12 Clamp Thermistor Outdoor 2 phase pipe...

Page 125: ...erant 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 four 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 10 Removing linear expansion valve 1 Remove the service panel See figure 1 2 Remove the top panel See figure...

Page 126: ...asily by removing the right side panel Photo 15 12 Removing the high pressure switch 63H 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 10 in the rear of the unit and remove the right side panel 4 Pull out the lead wire of high pressure switch 5 Collect the refrigerant 6 Remove the welded part of high pressure switch Note 1 C...

Page 127: ...tom of the separator and tilt the separator to the side of the fan motor slightly See photo 17 5 Disconnect the lead wires from the reactor and remove the 4 screws screw 2 that fix the reactor to remove the reactor See photo 18 and 19 Note 1 The reactor is very heavy 4kg Be careful when handling it Note 2 The reactor box is also removable OPERATING PROCEDURE PHOTOS Photo 17 Electrical parts box Sc...

Page 128: ...hen remove the compressor Note Collect refrigerant without spreading it in the air Photo 20 Motor for compressor MC Valve bed Separator Separator fixing screw Power receiver Valve bed fixing screws Compressor fixing nut 15 Removing the power receiver 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 10 and remove the front cove...

Page 129: ...s Drawing No 1 2 3 4 5 6 7 8 9 10 11 12 13 1 1 1 1 1 1 1 1 1 1 1 1 12 4 10 R01 E10 691 R01 E02 668 R01 E15 686 R01 E02 667 R01 E00 518 R01 E02 682 R01 E21 130 R01 E01 684 T7W E01 641 GRILLE FRONT PANEL BASE ASSY SEPARATOR SERVICE PANEL SERVICE PANEL BACK PANEL MOTOR SUPPORT CONDENSER NET TOP PANEL LABEL MITSUBISHI LABEL INVERTER F ST SCREW SU00B229G35 DG79R130H01 BK79C208G02 Z004R279H02 1 2 3 4 5 ...

Page 130: ...R01 E01 662 T7W E02 691 T7W E01 667 R01 E13 686 R01 E06 130 R01 30L 655 R01 E02 658 R01 E05 658 R01 E03 661 T7W E02 668 R01 E00 698 R01 E04 641 R01 E00 655 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL MITSUBISHI LABEL INVERTER REAR GUARD TOP PANEL HANDLE DG12F536H10 BK00C14...

Page 131: ...BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL SERVICE PANEL LABEL MITSUBISHI LABEL INVERTER REAR GUARD TOP PANEL TOP PANEL HANDLE 5 10 Amount Unit Price Remarks Drawing No T7W E02 662 T7W E02 691 T7W E02 667 R01 E14 686 R01 E25 130 R01 30L 655 R01 E04 658 R01 E05 658 T7W E15 661 T7W E03 668 T7W E04 668 R01 E01 698 R01 E04 641 R01 E08 64...

Page 132: ...132 FUNCTIONAL PARTS PUHZ RP35VHA2 PUHZ RP50VHA2 1 3 4 2 5 6 7 8 9 10 11 12 13 14 17 15 16 18 19 20 21 22 23 24 25 26 27 ...

Page 133: ...46 T7W E31 315 T7W E19 313 R01 E65 202 R01 E70 408 R01 E02 239 R01 E84 202 FAN MOTOR PROPELLER NUT MUFFLER COMPRESSOR THERMISTOR DISCHARGE POWER RECEIVER STRAINER STOP VALVE GAS STOP VALVE LQUID THERMISTOR OUTDOOR PIPE SOLENOID VALVE COIL FOUR WAY VALVE EXPANSION VALVE LINEAR EXPANSION VALVE COIL CHARGE PLUG HIGH PRESSURE SWITCH FOUR WAY VALVE LINEAR EXPANSION VALVE COIL THERMISTOR OUTDOOR2 PHASEP...

Page 134: ...134 FUNCTIONAL PARTS PUHZ RP60VHA2 PUHZ RP71VHA2 16 15 14 1 3 21 22 23 24 29 25 28 26 27 4 9 10 5 12 2 20 13 6 7 8 11 17 18 19 30 31 ...

Page 135: ...R01 E02 239 R01 E84 202 FAN MOTOR PROPELLER NUT ELECTRICAL PARTS BOX SOLENOID VALVE COIL BYPASS VALVE BYPASS VALVE CAPILLARY TUBE CAPILLARY TUBE THERMISTOR DISCHARGE CHARGE PLUG COMPRESSOR THERMISTOR OUTDOOR PIPE STOP VALVE BALL VALVE STRAINER POWER RECEIVER FOUR WAY VALVE SOLENOID VALVE COIL FOUR WAY VALVE EXPANSION VALVE LINEAR EXPANSION VALVE COIL LINEAR EXPANSION VALVE COIL THERMISTOR OUTDOOR2...

Page 136: ...136 FUNCTIONAL PARTS PUHZ RP100VHA2 PUHZ RP125VHA2 PUHZ RP140VHA2 12 3 5 6 10 2 9 1 4 7 8 11 13 14 15 16 17 18 19 20 15 21 22 23 24 25 26 27 28 29 30 31 32 33 34 ...

Page 137: ...3 T7W E32 315 R01 E65 202 T7W E00 233 T7W E14 346 R01 E02 239 R01 E66 202 T7W E05 254 T7W E44 202 FAN MOTOR PROPELLER NUT HEAT EXCHANGER SOLENOID COIL FOUR WAYVALVE FOUR WAY VALVE MUFFLER THERMISTOR DISCHARGE STOP VALVE COMPRESSOR COMPRESSOR POWER RECEIVER BALL VALVE STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL REPLACE FILTER BYPASS VALVE SOLENOIDVALVECOIL BYPASSVALVE RESTRICTO...

Page 138: ...138 FUNCTIONAL PARTS PUHZ RP100YHA2 PUHZ RP125YHA2 PUHZ RP140YHA2 1 2 3 23 22 21 20 24 25 4 5 6 7 8 9 10 11 12 13 14 15 16 17 13 19 18 26 28 29 30 31 32 33 34 35 27 ...

Page 139: ...54 T7W E06 259 T7W E22 716 T7W E06 716 T7W E33 315 R01 E02 239 R01 E66 202 T7W E06 254 R01 E84 202 FAN MOTOR PROPELLER NUT REACTOR CHARGE PLUG THERMISTOR DISCHARGE COMPRESSOR COMPRESSOR STOP VALVE BALL VALVE STRAINER POWER RECEIVER MUFFLER EXPANSION VALVE LINEAR EXPANSION VALVE COIL BYPASS VALVE SOLENOIDVALVECOIL BYPASSVALVE REPLACE FILTER RESTRICTOR VALVE LINEAR EXPANSION VALVE COIL THERMISTOR OU...

Page 140: ...140 16 RoHS PARTS LIST FUNCTIONAL PARTS PUHZ RP35VHA2 PUHZ RP50VHA2 1 3 4 2 5 6 7 8 9 10 11 12 13 14 17 15 16 18 19 20 21 22 23 24 25 26 27 ...

Page 141: ...1 E22 259 T7W E28 716 T7W E17 346 T7W E42 315 T7W E34 313 R01 E99 202 R01 E88 408 R01 E06 239 R01 E93 202 FAN MOTOR PROPELLER NUT MUFFLER COMPRESSOR THERMISTOR DISCHARGE POWER RECEIVER STRAINER STOP VALVE GAS STOP VALVE LQUID THERMISTOR OUTDOOR PIPE SOLENOID VALVE COIL FOUR WAY VALVE EXPANSION VALVE LINEAR EXPANSION VALVE COIL CHARGE PLUG HIGH PRESSURE SWITCH FOUR WAY VALVE LINEAR EXPANSION VALVE ...

Page 142: ...142 FUNCTIONAL PARTS PUHZ RP60VHA2 PUHZ RP71VHA2 16 15 14 1 3 21 22 23 24 29 25 28 26 27 4 9 10 5 12 2 20 13 6 7 8 11 17 18 19 30 31 ...

Page 143: ...7W E29 313 R01 E89 408 T7W E29 716 R01 E06 239 R01 E93 202 FAN MOTOR PROPELLER NUT ELECTRICAL PARTS BOX SOLENOID VALVE COIL BYPASS VALVE BYPASS VALVE CAPILLARY TUBE CAPILLARY TUBE THERMISTOR DISCHARGE CHARGE PLUG COMPRESSOR THERMISTOR OUTDOOR PIPE STOP VALVE BALL VALVE STRAINER POWER RECEIVER FOUR WAY VALVE SOLENOID VALVE COIL FOUR WAYVALVE EXPANSION VALVE LINEAR EXPANSION VALVE COIL LINEAR EXPANS...

Page 144: ...144 FUNCTIONAL PARTS PUHZ RP100VHA2 PUHZ RP125VHA2 PUHZ RP140VHA2 12 3 5 6 10 2 9 1 4 7 8 11 13 14 15 16 17 18 19 20 15 21 22 23 24 25 26 27 28 29 30 31 32 33 34 ...

Page 145: ...E00 234 R01 E20 259 T7W E30 313 T7W E31 313 T7W E43 315 R01 E99 202 R01 E09 233 T7W E16 346 R01 E06 239 R01 H00 202 R01 E20 254 T7W E45 202 FAN MOTOR PROPELLER NUT HEAT EXCHANGER SOLENOID COIL FOUR WAYVALVE FOUR WAY VALVE MUFFLER THERMISTOR DISCHARGE STOP VALVE COMPRESSOR COMPRESSOR POWER RECEIVER BALL VALVE STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL REPLACE FILTER BYPASS VAL...

Page 146: ...146 FUNCTIONAL PARTS PUHZ RP100YHA2 PUHZ RP125YHA2 PUHZ RP140YHA2 1 2 3 23 22 21 20 24 25 4 5 6 7 8 9 10 11 12 13 14 15 16 17 13 19 18 26 28 29 30 31 32 33 34 35 27 ...

Page 147: ... E54 310 T7W E32 313 R01 E10 233 T7W E07 254 T7W E11 259 R01 E18 246 T7W E30 716 T7W E44 315 R01 E06 239 R01 H00 202 T7W E10 254 R01 E93 202 FAN MOTOR PROPELLER NUT REACTOR CHARGE PLUG THERMISTOR DISCHARGE COMPRESSOR COMPRESSOR STOP VALVE BALL VALVE STRAINER POWER RECEIVER MUFFLER EXPANSION VALVE LINEAR EXPANSION VALVE COIL BYPASS VALVE SOLENOIDVALVECOIL BYPASSVALVE REPLACE FILTER RESTRICTOR VALVE...

Page 148: ...0 11 12 13 RoHS G G G G G G G G G G G G G 1 1 1 1 1 1 1 1 1 1 1 1 12 4 10 R01 E30 691 R01 E09 668 R01 E29 686 R01 E14 667 R01 E02 518 R01 E06 682 R01 E29 130 R01 E02 684 T7W E05 641 GRILLE FRONT PANEL BASE ASSY SEPARATOR SERVICE PANEL SERVICE PANEL BACK PANEL MOTOR SUPPORT CONDENSER NET TOP PANEL LABEL MITSUBISHI LABEL INVERTER F ST SCREW SU00B229G35 DG79R130H01 BK79C208G02 Z004R279H02 1 2 3 4 5 6...

Page 149: ... 1 1 1 1 1 1 1 5 10 R01 E16 662 T7W E03 691 T7W E05 667 R01 E30 686 R01 E30 130 R01 E01 655 R01 E12 658 R01 E11 658 R01 E31 661 T7W E07 668 R01 E06 698 R01 E14 641 R01 E02 655 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL LABEL MITSUBISHI LABEL INVERTER REAR GUARD TOP PANEL HANDLE...

Page 150: ...y Q ty set PUHZ RP VHA2 YHA2 100 125 140 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 RoHS G G G G G G G G G G G G G G G G G G G G G 38 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 38 1 2 1 1 1 1 1 2 1 1 1 1 1 1 1 1 1 DG12F536H10 BK00C143G91 BK00C409G06 BK00C142G16 DG79R130H01 BK79C208G02 F ST SCREW SIDE PANEL L FAN GRILLE FRONT PANEL SEPARATOR BASE ASSY MOTOR SUPPORT VALVE BED ASSY HANDLE COVER PANEL FRONT ...

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