Mitsubishi Electric Mr.SLIM PUHZ-RP140YHA Service Manual Download Page 75 | Manualshive

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75

<Display function of inspection for outdoor unit>
The blinking patterns of both LED1(green) and LED2(red) indicate 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.

F3
F5
F9

—

—

—

E6

E7

—

—

E0

E3

E4

E5

EF

Ed

A0~A8

[Display]
(1)Normal condition

(2)Abnormal condition

Unit condition

Outdoor controller board

A-Control Service Tool

LED1 (Green)

LED2 (Red)

Error code

When the power is turned on

When unit stops

When compressor is warming up
When unit operates

Lighted

Lighted

Lighted

Lighted
Lighted

Not lighted

Indication of the display

Alternately blinking display

Operation mode

Not lighted

Lighted

00, etc.

08, etc.

C5, H7 etc.

Indication

Error

Error

code

w

1

Outdoor controller board

Contents

Inspection method

LED1 (Green) LED2 (Red)

1 blinking 2 blinking

2 blinking 1 blinking

2 blinking

3 blinking

4 blinking

5 blinking

Connector(63L) is open.

Connector(63H) is open.

2 connectors are open.

Startup time over

Error code is not defined.

Mis-wiring of indoor/outdoor unit conne-
cting wire, excessive number of indoor
units (4 units or more)
Mis-wiring of indoor/outdoor unit co-
nnecting wire (converse wiring or di-
sconnection)

Indoor/outdoor unit communication error
(signal receiving error) is detected by in-
door unit.
Indoor/outdoor unit communication error
(transmitting error) is detected by indoor
unit.
Indoor/outdoor unit communication error
(signal receiving error) is detected by
outdoor unit.
Indoor/outdoor unit communication error
(transmitting error) is detected by outdoor
unit.

Remote controller signal receiving
error is detected by remote controller.

Remote controller transmitting error
is detected 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)

W

1.Error code displayed on remote controller.

W

2.Refer to service manual for indoor unit.

1

Check if indoor/outdoor connecting wire is connected correctly.

2

Check if 4 or more indoor units are connected to outdoor unit.

3

Check if noise entered into indoor/outdoor connecting wire

or power supply.

4

Re-check error by turning off power, and on again.

1

Check if connector (63L or 63H) on the outdoor controller

board is not disconnected.

2

Check continuity of pressure switch (63L or 63H) by tester.

1

Check if connector (CN4) on outdoor controller board and

outdoor power board is not disconnected.

2

Check if there is poor connection of connector on outdoor

controller board(CNMNT and CNVMNT).

3

Check M-NET communication signal.

1

Check if remote controller is MA remote controller(PAR-21MAA).

2

Check if noise entered into transmission wire of remote controller.

3

Check if noise entered into indoor/outdoor connecting wire.

4

Re-check error by turning off power, and on again.

1

Check if connecting wire of indoor unit or remote controller

is connected correctly.

2

Check if noise entered into transmission wire of remote

controller.

3

Re-check error by turning off power, and on again.

1

Check if indoor/outdoor connecting wire is connected correctly.

2

Check if noise entered into indoor/outdoor connecting wire or

power supply.

3

Check if noise entered into indoor/outdoor controller board.

4

Re-check error by turning off power, and on again.

P.36
P.36
P.37
P.37

(EA)

P.37

(Eb)

P.37
(EC)

w

2

w

2

P.42

(E8)

P.42

(E9)

P.41

P.42

P.41

P.42

P.42

P.42

P.43~

P.46

Detailed

reference

page

OC334-3.qxp 05.5.26 6:04 PM Page 75

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Summary of Contents for Mr.SLIM PUHZ-RP140YHA

Page 1: ...G THE OPERATION DATABYTHE REMOTE CONTROLLER 91 13 DISASSEMBLY PROCEDURE 101 14 PARTS LIST 123 No OC334 R410A June 2005 Outdoor unit model names PUHZ RP35VHA PUHZ RP50VHA PUHZ RP60VHA PUHZ RP71VHA PUHZ RP100VHA PUHZ RP125VHA PUHZ RP140VHA PUHZ RP100YHA PUHZ RP125YHA PUHZ RP140YHA Service Ref PUHZ RP35VHA PUHZ RP50VHA PUHZ RP60VHA PUHZ RP71VHA PUHZ RP100VHA PUHZ RP125VHA PUHZ RP140VHA PUHZ RP100YHA ...

Page 2: ...5 140GA PCA RP100 125 140GA PCA RP71 125HA PCA RP71 125HA OC329 PKA RP35 50GAL PKA RP35 50GAL OC330 PKA RP60 71 100FAL PKA RP60 71 100FAL OC331 PSA RP71 100 125 140GA PSA RP71 100 125 140GA OC332 PEA RP71 100 125 140EA PEA RP71 100 125 140EA TH A OC326 PEAD RP35 50 60 71EA PEAD RP35 50 60 71EA UK PEAD RP100 125 140EA PEAD RP100 125 140EA UK PEAD RP60 71 100GA PEAD RP60 71 100GA UK 1 2 TECHNICAL DA...

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: ... Use high tension side pressure of 5 3MPa G or over 2 Charge hose Only for R410A Use pressure performance of 5 09MPa G or over 3 Electronic scale 4 Gas leak detector Use the detector 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 equipmen...

Page 5: ...ilter 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 case the unit is RP100 125 or 140 which utilize ester oil Perform cooling operation for about 30...

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: ...evel regardless of the length 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 PUHZ RP60VHA PUHZ RP71VHA PUHZ RP100VHA PUHZ RP125VHA PUHZ RP140VHA PUHZ RP100YHA PUHZ RP125YHA PU...

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: ... LP switch Discharge thermo Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 2 4 1 9 28 ANV33FDDMT 50 52 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 motor o...

Page 10: ... 5 2 5 3 5 3 5 5 0 5 0 5 0 Service Ref PUHZ RP35VHA PUHZ RP50VHA PUHZ RP60VHA PUHZ RP71VHA PUHZ RP100VHA PUHZ RP100YHA PUHZ RP125VHA PUHZ RP125YHA PUHZ RP140VHA PUHZ RP140YHA 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 RP100 125 140VHA ANV33FDBMT 1 064 1 064 1 064 PUHZ RP100 125 140YHA PUHZ RP35 50VHA...

Page 11: ...FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ RP100VHA PUHZ RP100YHA 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 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 RP125VHA PUHZ RP140VHA PUHZ RP125YHA PUHZ RP1...

Page 12: ...take 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 ...

Page 13: ...40AA PLA RP100AA PLA RP125AA PLA RP140AA Cooling 10 000 3 03 Heating 11 200 3 39 Cooling 12 500 3 89 Heating 14 000 4 27 Cooling 14 000 4 99 Heating 16 000 4 91 12 33 2 63 0 92 70 45 11 5 27 19 14 0 35 24 0 75 0 15 13 94 2 80 0 72 76 48 3 5 20 15 41 6 7 6 15 80 2 72 0 89 70 46 8 5 27 19 12 2 35 24 0 74 0 06 17 50 2 77 0 71 77 47 1 5 20 15 45 5 7 6 20 73 2 86 0 80 79 48 8 5 27 19 11 2 35 24 0 71 0 ...

Page 14: ...2 77 0 71 77 47 1 5 20 15 45 5 7 6 6 49 2 86 0 80 79 48 8 5 27 19 11 2 35 24 0 71 0 06 6 37 3 03 0 69 83 51 1 5 20 15 49 5 7 6 1 50 230 1 25 3 50 400 1 50 230 1 64 3 50 400 1 50 230 1 64 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 Disch...

Page 15: ...0 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 plat...

Page 16: ...16 Unit mm PUHZ RP60VHA PUHZ RP71VHA 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 ...

Page 17: ...ly wiring 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 VHA RP YHA PUHZ RP100VHA PUHZ RP100YHA PUHZ RP125VHA PUHZ RP125YHA PUHZ...

Page 18: ...thing Capacitor CB1 CB3 Connector CN5 Connector CN52C 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 X51 X52 X55 Reray CNF1 Connector SS Connector Connection for Option SYMBOL M NET ADAPTER NAME TB7 CN5 CND CN2M SW1 SW11 Terminal Block M net con...

Page 19: ...nnector Connector Connected to Optional M NET Adapter Board Connector Connected to Optional M NET Adapter Board Connector Connected for Option Contact Input SS Connector Connection for Option 1 2 3 4 5 6 OFF ON 100V MODEL SW6 1MODEL SELECT SW10 1 2 OFF ON 1 2 3 4 5 6 OFF ON 125V 1 2 OFF ON 1 2 3 4 5 6 OFF ON 140V 1 2 OFF ON SYMBOL M NET ADAPTER NAME TB7 CN5 CND CN2M SW1 SW11 SW12 LED1 LED2 LED3 LE...

Page 20: ...y Record Reset Refrigerant Adress Switch Function Switch Switch Function Switch F1 F2 SW1 SW5 Switch Model Select SW6 SW7 FUSE 6 3 A F3 F4 Switch Test Operation SW4 CNAC CNDC CNS Connector Connector Connector CN2 Connector CN4 Connector LEV A LEV B Connector LEV 63H Connector High Pressure Switch 63L Connector Low Pressure Switch TH3 Connector Thermistor TH4 Connector Thermistor TH7 6 Connector Th...

Page 21: ... terminals are NOT electrically insulataed by the transformer or other device Notes 1 Wiring size must comply with the applicable local and national code 2 Power supply cords and Indoor Outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord Design 245 IEC 57 3 Install an earth longer than other cables S1 S2 S3 S1 S2 S3 Warning In case of A control wiring the...

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 YHA 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 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 no...

Page 25: ...nt 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 ...

Page 26: ...iner 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 p...

Page 27: ...pansion 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 Low pressure switch 63L Muffler Ball valve Restrictor valve S...

Page 28: ...wer supply 2Set DIP switch SW8 2 on the control board of the outdoor unit to ON to start replacement operation The replacement operation is performed using the cooling system Cool air will flow from the indoor unit during the replace ment operation During the replacement operation is displayed on the remote controller and LED1 green and LED2 red on the control board of the outdoor unit flash toget...

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: ...startup 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 ...

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: ...rror 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 T...

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: ... 9 4 Check connection of reactor DCL or ACL RP35 71V Check connection of LO and NO on the outdoor noise filter circuit board Check connection of R and S on the outdoor power circuit board RP100 140V Check connection of L1 and L2 on the active filter module ACTM Refer to 10 9 5 a Check connection of outdoor noise filter circuit board b Replace outdoor noise filter circuit board Refer to 10 9 6 Repl...

Page 37: ...f indoor outdoor unit connecting wire of indoor and outdoor units 2 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 3 Check the number of indoor units that are connected to one outdoor unit If EA is detected 4 6 Put t...

Page 38: ...5 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 thermi...

Page 39: ... 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 TH3 ...

Page 40: ...V RP100 140VHA 400V RP100 140YHA 760V Decrease of input current of outdoor unit to 0 5A only if operation frequency is more than or equal to 40Hz or compressor current is more than or equal to 5A 1 Decrease of power supply voltage 2 Disconnection of compressor wiring 3 Defective 52C 4 Disconnection or loose connec tion of CN52C RP35 71VHA only 5 Defective PFC module of outdoor power board RP35 71V...

Page 41: ...with same performing frequency E0 or E4 Remote controller transmission error E0 signal receiving error E4 1 Abnormal if main or sub remote con troller can not receive normally any transmission from indoor unit of refriger ant address 0 for three minutes Error code E0 2 Abnormal if sub remote controller could not receive for any signal for two min utes Error code E0 1 Abnormal if indoor controller ...

Page 42: ...e 2 Abnormal if communication between outdoor controller circuit board and M NET board is not available 1 Check disconnection looseness or breaking of connection wire 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 ...

Page 43: ...remote 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 transmiss...

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: ...o 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 10 minutes...

Page 53: ...e blower of 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 auto...

Page 54: ...ituations are released 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 Something is wron...

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: ... valve LEV A LEV B For RP100 RP140 Normal Abnormal Open or short RP35 71V RP100 140 Open or short Disconnect the connector then measure the resistance using a tester Winding temperature 20 Normal White Black White Red Gray Yellow Gray Orange Abnormal 46 3 Open or short Measure the resistance between the terminals using a tester Surrounding temperature 20 Normal 1197 10 Abnormal Open or short Solen...

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: ...stor 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 Temperature Resista...

Page 59: ... 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 RP100 RP140 RP35 RP71 Brown Blue Orange Yellow White White Gray Orange Red Yellow Black 3 4 5 6 Connect...

Page 60: ...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 61: ... 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 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 firm...

Page 62: ... 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 63: ...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 64: ...rcuit 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 board ...

Page 65: ...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 66: ...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: ...I 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 RP100VHA PUHZ RP125VHA PUHZ RP140VHA ...

Page 68: ... 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 ci...

Page 69: ...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 C...

Page 70: ... DC 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...

Page 71: ...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 72: ...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 73: ...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 74: ...cated 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 dema...

Page 75: ...or is detected 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 displa...

Page 76: ...6 and TH7 on outdoor controller board and conn ector CN3 on outdoor power 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 Abnormality of voltage 1Check looseness disconnection and ...

Page 77: ...nt 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 F3 F5 F9 E8 E9 EA Eb EC E0 E7 63L connector red is open 63H connector yellow is open 2 connectors 63H 63L are open Indoor outdoor communication error Signal receiving error Outdoor unit Indoor outdoo...

Page 78: ... 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 79: ...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 80: ... 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 81: ...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 82: ...or unit Postponement code display Blinking During postponement Lighting 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 ...

Page 83: ...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 84: ...y 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 85: ... Operating indoor units The average is considered as indoor temperature Indoor unit with remote controller Remote controller s internal sensor 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 humid...

Page 86: ...the 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 dete...

Page 87: ...ystem Furthermore if F appears 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 refrig...

Page 88: ...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 89: ... value The automatic mode is displayed when the operation mode is selected 2 OFF The automatic mode is not display 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 sett...

Page 90: ...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 91: ...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 92: ...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 93: ...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 94: ...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 95: ...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 96: ... 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 97: ...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 98: ...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 99: ...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 100: ... L 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 ...

Page 101: ...rom 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 screws...

Page 102: ...emoving 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 103: ...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 104: ... 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 105: ...nt 8 Remove 3 compressor fixing nuts by using a spanner or a monkey 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 pan...

Page 106: ... fixing 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 the...

Page 107: ...TH7 red on the controller 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 thermisto...

Page 108: ...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 Remov...

Page 109: ...emoving the high 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...

Page 110: ...tlet 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 part...

Page 111: ...wing connectors from controller circuit board fan motor linear expansion valve thermistor Outdoor pipe thermistor 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 elect...

Page 112: ...lectrical 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 pipe Photo 6 Clamp Controller ...

Page 113: ...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 oxidized 9 Removing linear expansion valve 1 Remove the service panel See figure 1 2 Remove the top p...

Page 114: ...pacitor 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 and 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 10 in the rear of the unit and remove...

Page 115: ...n 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 ph...

Page 116: ...otor 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 5 Disconne...

Page 117: ...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 118: ...oard in the electrical 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 ...

Page 119: ... 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 oxidized 10 Removing linear expansion valve 1 Remove the service panel See figure 1 2 Remove the top p...

Page 120: ... Removing the high pressure switch 63H and 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 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 Collect the refrigerant 6 Remove the welded part of high pressure switch and lo...

Page 121: ...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 122: ...n 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 cover ...

Page 123: ...o 1 2 3 4 5 6 7 8 9 10 11 12 13 1 1 1 1 1 1 1 1 2 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 Z504K189H37 1 2 3 4 5 6 7 8 9 10 ...

Page 124: ...1 662 T7W E02 691 T7W E01 667 R01 E13 686 R01 E06 130 R01 30L 655 R01 E02 658 R01 E01 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 BK00C143G51 B...

Page 125: ...RATOR 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 R01 E02 662 T7W E02 691 T7W E02 667 R01 E14 686 T7W E05 130 R01 30L 655 R01 E00 658 R01 E01 658 T7W E15 661 T7W E03 668 T7W E04 668 R01 E01 698 R01 E04 641 R01 ...

Page 126: ...126 FUNCTIONAL PARTS PUHZ RP35VHA PUHZ RP50VHA 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 127: ... T7W E05 346 T7W E28 315 T7W E17 313 R01 E65 202 R01 E48 408 T7W 520 239 FAN MOTOR PROPELLER NUT MUFFLER MOTOR FOR 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 OUTDOOR...

Page 128: ...128 FUNCTIONAL PARTS PUHZ RP60VHA PUHZ RP71VHA 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 129: ... 520 239 FAN MOTOR PROPELLER NUT ELECTRICAL PARTS BOX SOLENOID VALVE COIL BYPASS VALVE BYPASS VALVE CAPILLARY TUBE CAPILLARY TUBE THERMISTOR DISCHARGE CHARGE PLUG MOTOR FOR 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 PHAS...

Page 130: ...130 FUNCTIONAL PARTS PUHZ RP100VHA PUHZ RP125VHA PUHZ RP140VHA 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 35 ...

Page 131: ... 234 T7W E03 259 T7W E15 313 T7W E30 315 R01 E65 202 T7W E00 233 T7W E10 346 T7W 520 239 R01 E66 202 T7W E05 254 FAN MOTOR PROPELLER NUT HEAT EXCHANGER SOLENOID COIL FOUR WAY VALVE FOUR WAY VALVE MUFFLER THERMISTOR DISCHARGE STOP VALVE MOTOR FOR COMPRESSOR POWER RECEIVER BALL VALVE STRAINER CHARGE PLUG EXPANSION VALVE LOW PRESSURE SWITCH LINEAR EXPANSION VALVE COIL REPLACE FILTER BYPASS VALVE SOLE...

Page 132: ...132 FUNCTIONAL PARTS PUHZ RP100YHA PUHZ RP125YHA PUHZ RP140YHA 1 2 3 24 23 22 21 25 26 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 14 20 19 27 29 30 31 32 33 34 35 36 28 ...

Page 133: ... R01 E08 233 T7W E03 254 T7W E06 259 T7W E22 716 T7W E06 716 T7W E29 315 R01 E02 239 R01 E66 202 T7W E06 254 FAN MOTOR PROPELLER NUT REACTOR CHARGE PLUG THERMISTOR DISCHARGE MOTOR FOR COMPRESSOR STOP VALVE BALL VALVE STRAINER POWER RECEIVER MUFFLER LOW PRESSURE SWITCH EXPANSION VALVE LINEAR EXPANSION VALVE COIL BYPASS VALVE SOLENOIDVALVECOIL BYPASSVALVE REPLACE FILTER RESTRICTOR VALVE LINEAR EXPAN...

Page 134: ... 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2005 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Jun 2005 No OC334 PDF 9 Made in Japan New publication effective Jun 2005 Specifications subject to change without notice TM ...

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