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SERVICE MANUAL

CONTENTS

1. REFERENCE MANUAL.................................. 2

2. SAFETY PRECAUTION.................................. 3

3. FEATURES...................................................... 7

4. SPECIFICATIONS...........................................8

5. DATA............................................................. 11

6. OUTLINES AND DIMENSIONS.................... 13

7. WIRING DIAGRAM....................................... 15

8. WIRING SPECIFICATIONS.......................... 18

9. REFRIGERANT SYSTEM DIAGRAM...............19

10. TROUBLESHOOTING...................................21

11. DISASSEMBLY PROCEDURE..................... 65

No.OCH533

REVISED EDITION-A

SPLIT-TYPE, AIR TO WATER HEAT PUMP

R410A

October 2012

PUHZ-SW75VHA.UK
PUHZ-SW75VHA-BS.UK

Salt proof model

PUHZ-SW75VHA-BS

PUHZ-SW100VHA-BS

PUHZ-SW100YHA-BS

PUHZ-SW120VHA-BS

PUHZ-SW120YHA-BS

Note:
• This manual describes

only service data of the
outdoor units.

PUHZ-SW75VHA-BS.UK
PUHZ-SW100VHA-BS.UK
PUHZ-SW100YHA-BS.UK
PUHZ-SW120VHA-BS.UK
PUHZ-SW120YHA-BS.UK

Outdoor unit
[Model names]

PUHZ-SW75VHA

PUHZ-SW100VHA

PUHZ-SW100YHA

PUHZ-SW120VHA

PUHZ-SW120YHA

[Service ref.]

PUHZ-SW75VHA.UK
PUHZ-SW100VHA.UK
PUHZ-SW100YHA.UK
PUHZ-SW120VHA.UK
PUHZ-SW120YHA.UK

PARTS CATALOG (OCB533)

Revision:

•

The function description of

SW7-3, 7-4 and 7-5 (Page
52) have been corrected in
REVISED EDITION-A.

•

Please void OCH533.

Содержание PUHZ-SW100VHA

Страница 1: ...oof model PUHZ SW75VHA BS PUHZ SW100VHA BS PUHZ SW100YHA BS PUHZ SW120VHA BS PUHZ SW120YHA BS Note This manual describes only service data of the outdoor units PUHZ SW75VHA BS UK PUHZ SW100VHA BS UK PUHZ SW100YHA BS UK PUHZ SW120VHA BS UK PUHZ SW120YHA BS UK Outdoor unit Model names PUHZ SW75VHA PUHZ SW100VHA PUHZ SW100YHA PUHZ SW120VHA PUHZ SW120YHA Service ref PUHZ SW75VHA UK PUHZ SW100VHA UK PU...

Страница 2: ...T20X VM6B EHPT20X YM9B EHST20C VM6HB UK EHST20C YM9HB UK EHST20C VM6B UK EHST20C YM9B UK EHST20C VM6EB UK EHST20C YM9EB UK EHST20C VM6SB UK EHPT20X VM2HB UK EHPT20X VM6HB UK EHPT20X YM9HB UK EHPT20X VM6B UK EHPT20X YM9B UK OCH531 EHSC VM6B EHSC YM9B EHSC VM6EB EHSC YM9EB EHPX VM2B EHPX VM6B EHPX YM9B ERSC VM2B EHSC VM6B UK EHSC YM9B UK EHSC VM6EB UK EHSC YM9EB UK EHPX VM2B UK EHPX VM6B UK EHPX YM9...

Страница 3: ...wrench Gas leak detector Charge hose Tools for R410A Contamination inside refrigerant piping can cause deterio ration of refrigerant oil etc If dirt dust or moisture enters into refrigerant cycle that can cause deterioration of refrigerant oil or malfunction of com pressor If large amount of mineral oil enters that can cause deterio ration of refrigerant oil etc Charge refrigerant from liquid phas...

Страница 4: ...e 7 Refrigerant cylinder Only for R410A Top of cylinder Pink Cylinder with syphon 8 Refrigerant recovery equipment 1 Cautions for service 1 Perform service after recovering the refrigerant left in unit completely 2 Do not release refrigerant in the air 3 After completing service charge the cycle with specified amount of refrigerant 4 When performing service install a filter drier simultaneously Be...

Страница 5: ...ecovery device to collect the refrigerant Use new pipes for SW75 SW100 and SW120 models The existing pipe thickness does not meet specifications or the pipes are damaged 2 4 PRECAUTIONS FOR SALT PROOF TYPE BS MODEL Although BS model has been designed to be resistant to salt damage observe the following precautions to maintain the performance of the unit 1 Avoid installing the unit in a location wh...

Страница 6: ... 29 0 17 0 22 0 24 0 27 0 36 0 Nominal dimensions inch Flare nut dimensions Outside diameter Dimension B mm R410A 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 gauge an...

Страница 7: ...ant level regardless of the length 10m max and 5m min of piping The additional refrigerant charging work during installation often causes prob lems 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 SW100VHA UK PUHZ SW100VHA BS UK PUHZ SW100YHA UK PUHZ SW100YHA BS UK PUHZ SW120VHA UK P...

Страница 8: ... 45 C Cooling A35 W7 Outside air temperature Dry bulb 35 C Outside air temperature Wet bulb 24 C Water temperature inlet outlet 12 C 7 C Cooling A35 W18 Outside air temperature Dry bulb 35 C Outside air temperature Wet bulb 24 C Water temperature inlet outlet 23 C 18 C Note COP and Power input in the above table are values that does NOT contains the pump input based on EN 14511 Nominal water flow ...

Страница 9: ... Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 1 3 19 A kW W kW min CFM dB dB mm in mm in mm in kg lbs kg lbs L mm in mm in Power supply phase cycle voltage Max current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan drive No Fan motor output Airflow Defrost method Noise level Dimensions Weight Refrigerant...

Страница 10: ...Power supply phase cycle voltage Max current External finish Refrigerant control Compressor Model Motor output Starter type Protection devices Crankcase heater Heat exchanger Fan Fan drive No Fan motor output Airflow Defrost method Noise level Dimensions Weight Refrigerant Charge Oil Model Pipe size O D Connection method Between the indoor outdoor unit Cooling Heating W D H Liquid Gas Indoor side ...

Страница 11: ...K PUHZ SW120VHA BS UK PUHZ SW120YHA UK PUHZ SW120YHA BS UK 4 6 4 8 5 0 5 6 6 2 6 8 7 5 4 6 U V U W W V Service Ref Compressor model Winding Resistance ANB33FNEMT at 20 C 0 19 0 19 0 19 PUHZ SW100VHA UK PUHZ SW100VHA BS UK ANB33FNDMT 0 30 0 30 0 30 ANB42FNDMT ANB42FNEMT 0 30 0 30 0 30 PUHZ SW100YHA UK PUHZ SW100YHA BS UK TNB220FLHMT 0 88 0 88 0 88 PUHZ SW75VHA UK PUHZ SW75VHA BS UK PUHZ SW120YHA UK...

Страница 12: ... 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 μbar NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ SW100VHA UK PUHZ SW100VHA BS UK PUHZ SW100YHA UK PUHZ SW100YHA BS UK COOLING MODE HEATING 50 SPL dB 54 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 OCT...

Страница 13: ...ckout Front trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 40 45 65 92 27 55 23 73 63 Rear piping hole Knockout Rear trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 Example of Notes Refrigerant GAS pipe connection FLARE 15 88 5 8 inch Refrigerant LIQUID pipe connection FLARE 9 52 3 8 inch 1 Indication of STOP VALVE connection location Over Over Less than Piping a...

Страница 14: ...W27Knockout W 92 92 65 45 40 27 55 23 73 63 Front piping hole Knockout Front trunking hole Knockout Power supply wiring hole 2 W27Knockout W 9 2 145 145 220 30 145 81 219 71 71 Bottom piping hole Knockout Drain hole 5 W33 1350 23 950 A 1 447 1 431 371 635 322 Handle for moving VHA YHA 1 079 A 930 Unit mm Over Over Over Over Less than Piping and wiring connections can be made from 4 directions fron...

Страница 15: ...2 F1 F2 F3 F4 X51 X52 X54 Switch Function Switch Model Select Switch Model Select Switch Function Switch Switch Function Switch Switch Function Switch Switch Pump Down Connector Emergency Operation Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option LED Operation Inspection Indicators Fuse T...

Страница 16: ...wn Connector Emergency Operation Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option LED Operation Inspection Indicators Fuse T6 3AL250V Relay U V W LI NI P2 N2 DCL1 DCL2 IGBT EI E2 E3 E4 52C C B SW1 SW4 SW5 SW6 POWER SUPPLY N 230V 50Hz INDOOR UNIT P B W DCL CB L N S1 S2 S3 TB1 V U 2 RED WHT...

Страница 17: ...Switch Pump Down Connector Emergency Operation Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option Connector Connection for Option LED Operation Inspection Indicators FUSE T6 3AL250V Relay Controller Circuit Board 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 OFF ON 100Y MODEL SW6 SW5 6 2 OFF ON OFF ON 120Y OFF ON 1 2 3 4 5 6 1 2 3 4 5 ...

Страница 18: ... NOT always against the ground S3 terminal has DC 24 V against S2 terminal However between S3 and S1 these terminals are NOT electrically insulated by the transformer or other device S1 S2 S3 S1 S2 S3 Warning In case of A control wiring there is high voltage potential on the S3 terminal caused by electrical circuit design that has no electrical insulation between power line and communication signa...

Страница 19: ...nt flow in heating Pressure sensor 63HS Low pressure switch 63L PUHZ SW100VHA PUHZ SW100VHA BS PUHZ SW100YHA PUHZ SW100YHA BS PUHZ SW75VHA UK PUHZ SW75VHA BS UK PUHZ SW120VHA PUHZ SW120VHA BS PUHZ SW120YHA PUHZ SW120YHA BS COMP H P SW L P SW REV V Charge plug P Sensor LEV A LEV B TH3 TH4 TH6 TH7 TH34 DC inverter twin rotary compressor Mitsubishi Electric Corporation For protection OFF 4 15MPa For ...

Страница 20: ...itch to ON again 3 Because the unit automatically stops in about 2 to 3 minutes when the refrigerant collecting operation is completed LED1 off LED2 lit be sure to quickly close the gas stop valve If LED1 is lit and LED2 is off and the outdoor unit is stopped refrigerant collection is not properly performed Open the liquid stop valve completely and then repeat step 2 after 3 min utes have passed I...

Страница 21: ...heck the symptom and check the installation environment refrigerant amount weather when the trouble occurred matters related to wiring and etc 2 Reset error code logs and restart the unit after finishing service 3 There is no abnormality in electrical component controller board and etc Not logged 1 Re check the abnormal symptom 2 Conduct troubleshooting and ascertain the cause of the trouble 3 Con...

Страница 22: ...oard V the noise filter Y Refer to 10 7 4 Check connection of reactor DCL or ACL SW75VHA 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 Refer to 10 7 SW100 120VHA Check connection of DCL1 and DCL2 on the outdoor power circuit board Refer to 10 7 5 a Check connection of outdoor noise filter circuit board b Repla...

Страница 23: ...door 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 Turn the power off once and on again to check Replace outdoor controller circuit board indoor controller board o...

Страница 24: ... minutes after and during defrosting 1 Disconnection or contact failure of connector TH4 TH34 on the outdoor controller circuit board 2 Defective thermistor 3 Defective outdoor controller circuit board 1 Check connection of connector TH4 TH34 on the outdoor controller circuit board Check breaking of the lead wire for thermistor TH4 TH34 Refer to 10 7 2 Check resistance value of thermistor TH4 TH34...

Страница 25: ...ard U6 Power module Check abnormality by driving power module in case overcurrent is detected UF or UP error condition 1 Outdoor stop valve is closed 2 Decrease of power supply voltage 3 Looseness disconnection or converse of compressor wiring connection 4 Defective compressor 5 Defective outdoor power circuit board 1 Open stop valve 2 Check facility of power supply 3 Correct the wiring U V W phas...

Страница 26: ...C wiring SW VHA 4 Replace outdoor power circuit board SW VHA 5 Replace outdoor power circuit board SW100 120V YHA 6 Replace outdoor noise filter circuit board SW75VHA 7 Replace outdoor converter circuit board SW YHA 8 Check RS wiring SW YHA 9 Replace RS SW YHA 0 Check CB wiring SW100 120VHA 1 Check CN2 wiring SW100 120VHA 2 Replace outdoor controller circuit board SW100 120VHA 04 Input current sen...

Страница 27: ...y 1 Disconnection of compressor wiring 2 Defective circuit of current sensor on outdoor power circuit board 3 Decrease of power supply voltage 1 Correct the wiring U V W phase to compressor Refer to 10 7 Outdoor power circuit board 2 Replace outdoor power circuit board 3 Check the facility of power supply UL Low pressure 63L operated SW100 120 only Abnormal if 63L is operated under 0 03MPa during ...

Страница 28: ...ing abnormality If the unit is not normal after replacing indoor controller board in group control indoor controller board of address 0 may be abnormal 1 Contact failure at transmission wire of remote controller 2 All remote controllers are set as sub remote controller In this case E0 is displayed on remote controller and E4 is displayed at LED LED1 LED2 on the outdoor controller circuit board 3 M...

Страница 29: ...d the other to sub 2 Remote controller is connected with only one indoor unit 3 The address changes to a separate setting 4 6 Diagnose remote controller a When RC OK is displayed remote controllers have no problem Turn the power off and on again to check When becoming abnormal again replace indoor controller board b When RC NG is displayed replace remote controller c When RC E3 or ERC 00 66 is dis...

Страница 30: ...S detects Tcond C or more and compressor operation frequency is less than or equal to 25 Hz Detection is inoperative during defrosting 1 Overcharge of refrigerant 2 Defective refrigerant circuit clogs 3 Malfunction of linear expansion valve 4 Reduced water flow Clogged filter Leakage of water 5 High temperature Over load Inlet water is too warm 6 Defective water pump 12 Check operating condition o...

Страница 31: ...mperature adjuster turns on the compressor will not stop operating even if tem perature adjuster is turned off Compressor stops operating immediately 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 o...

Страница 32: ...on cannot be set Are timer settings invalid If the timer can be set WEEKLY SIMPLE or AUTO OFF appears in the remote controller display PLEASE WAIT appears in the remote controller display The initial settings are being performed Wait approximately 3 minutes If the remote controller is not only for FTC change it An error code appears in the remote controller display The protection devices have oper...

Страница 33: ... after turning on the main power Normal The start up diagnosis will be over in around 2 minutes Miswiring 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 may n...

Страница 34: ...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 miswiring breaking or poor contact is causing this problem I...

Страница 35: ...door 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 outdoor...

Страница 36: ...tact 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 Inspection ...

Страница 37: ...ar FILTER from the display See the operation manual that came with the product for how to clean the filters STANDBY is displayed on the screen This is displayed when the unit starts HEAT operation when the thermostat puts the compressor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around 10 minutes later Wh...

Страница 38: ...or unit is controlling the airflow amount in order to keep the optimum operating condition A sound similar to water flowing is heard from the unit This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit The fan speed doesn t match the setting of the remote controller in HEAT operation The up down vane will be automatically set to horizontal...

Страница 39: ... airflow direction doesn t change Up down vane left right louver 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed Something...

Страница 40: ...W100YHA BS UK PUHZ SW120YHA BS UK 1 2 3 4 5 M Gray Orange Red Yellow Black Parts name Check points Disconnect the connector then measure the resistance with a tester At the ambient temperature 10 30 Thermistor TH3 Liquid Thermistor TH4 Discharge Thermistor TH6 2 phase pipe Thermistor TH7 Ambient Thermistor TH8 Heatsink Thermistor TH34 Comp surface 160k 410k 4 3k 9 6k TH4 TH34 TH3 TH6 TH7 TH8 Abnor...

Страница 41: ...tor CNF1 2 Measure the voltage in the outdoor controller circuit board TEST POINT VDC between 1 and 4 of the fan connector VDC DC250 330V TEST POINT VCC between 5 and 4 of the fan connector VCC DC15V Recover wiring Replace outdoor controller board Replace the fan motor Replace outdoor controller board C B and fan motor MF1 2 Replace outdoor controller board Replace the fan motor Is the voltage nor...

Страница 42: ... 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 Heatsink TH8 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 Thermistor Comp surface TH34 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Temperature Resistance k 200 150 100 50 0...

Страница 43: ...cked more sound can be heard No sound is heard when the pulse number moves from B to A in case coil is burnt out or motor is locked by open phase Sound can be detected by placing the ear against the screw driv er 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 2 3 4 5 Connector LEV A DC12V Outdoor controller board Drive circuit...

Страница 44: ...ipes 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 attached ...

Страница 45: ...nal signal output Compressor operating signal Abnormal signal LEV A B Linear expansion valve SWP Pump down CN52C Connect to the outdoor noise filter circuit board SW75V the outdoor power circuit board SW100 120V Only for SW VHA CNS Indoor outdoor unit connecting wire CNAC 2 to 4 Power supply for outdoor controller circuit board 230V AC 1 to 3 Power supply for indoor and outdoor unit connection wir...

Страница 46: ...elay signal Connect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 230V AC Connect to the outdoor controller circuit board CNAC EI E2 Connect to the earth E3 Connect to the earth LI NI Voltage of 230V AC is input Connect to the terminal block TB1 OCH533A ...

Страница 47: ...ct to the earth CNAC2 AC230V 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 AC400V OUTPUT Connect to the outdoor converter circuit board and ACL L1 IN ACL2 ACL3 CNCT Primary current Connect to the out door power circuit board CN5 NO Connect to the outdoor converter circuit board N IN CN...

Страница 48: ...ted on the board CN2 Connect to the outdoor controller circuit board CN2 1 5 Outdoor power circuit board Transmitting signal to the outdoor controller circuit board 0 5V DC 2 5 Zero cross signal 0 5V DC 3 4 Not used 6 5 16V DC 7 5 16V DC 1 2 6 7 5 LD1 LD2 280 380V DC Connect to the outdoor controller circuit board CNDC R S Connect to the ACL 230V AC U V W Connect to the compressor MC Voltage among...

Страница 49: ...Connect to the out door controller circuit board CNAC NI LI Voltage of 230 V AC is input Connect to the ter minal block TB1 EI E4 Connect to the earth DCL1 DCL2 Connect to DCL P2 Connect to the smooth ing capacitor CB U V W Connect to the compres sor MC Voltage among phases 10 V 180 V AC CNDC 280 380 V DC 1 3 Connect to the outdoor controller circuit board CNDC E2 E3 Connect to the earth CN52C 52C...

Страница 50: ...N5 Detection of primary current Connect to the outdoor noise filter circuit board CNCT CN4 Connect to the outdoor controller circuit board CN4 CN2 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 TB L1 TB L2 TB L3 Connect to the outdoor converter...

Страница 51: ...BS UK 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 A2 L2 A2 L3 A2 Connect to the ACL1 ACL2 ACL3 L1 OU L2 OU L3 OU Connect to the outdoor power circuit board TB L1 L2 L3 OCH533A ...

Страница 52: ...MODEL SW6 SW5 6 MODEL SW6 SW5 6 1 2 3 4 5 6 OFF ON 1 2 3 6 4 7 4 5 8 OFF ON 120VHA 1 2 3 4 5 6 OFF ON 1 2 3 6 4 7 4 5 8 OFF ON 100YHA 1 2 3 4 5 6 OFF ON 1 2 3 6 4 7 4 5 8 OFF ON 120YHA 1 2 3 4 5 6 OFF ON 1 2 3 4 5 6 3 4 5 6 1 2 3 1 2 3 4 1 2 3 4 5 6 7 8 6 ON OFF No Function Effective timing Action by the switch operation No function Power failure automatic recovery 2 No function model select No fu...

Страница 53: ... Demand control is available by external input In this mode power consumption is decreased within the range of usual 0 100 How to wire Basically the wiring is the same as a Connect an SW 1 which is procured at field to the between Orange and Red 1 and 3 of the Adaptor for external signal input PAC SC36NA and insulate the tip of the brown lead wire It is possible to set it to the following power co...

Страница 54: ...l receiving error is detected by outdoor unit I F or FTC or 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 I F or FTC unit Remote controller transmitting error is dete...

Страница 55: ...e not disconnected Measure resistance value of outdoor thermistors Abnormality of heatsink temperature Check if indoor outdoor units have a short cycle on their air ducts Measure resistance value of outdoor thermistor TH8 Check the outdoor fan motor Check if connector TH3 on outdoor controller board is disconnected Abnormality of voltage Check looseness disconnection and converse connection of com...

Страница 56: ...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 outdoor communication error Transmitting e...

Страница 57: ...git 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 Example When 150 pulse 0 5 secs...

Страница 58: ...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 50 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 0 120 0 999 When it is 10...

Страница 59: ...ls 0 H P 1 Cooling only 0 Single phase 2 3 phase Setting details Defrosting switch Display details 0 Normal 1 For high humidity Example When heat pump 3 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 temperature are displayed by turns 39 88 When the temperature is...

Страница 60: ... PFC error 10 14 Description Display 00 01 02 04 08 10 20 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 17 30 Pressure saturation temperature T63HS 39 88 Outdoor heatsink temperature TH8 40 200 17 30 39 88 When the temperature is 0 or less and temperature ar...

Страница 61: ...nt 00 is displayed in case of no postponement Code display Error code history 3 Oldest Alternate display of abnormal unit number and code When no error history 0 and are displayed by turns 3 Outdoor pipe temperature Liquid TH3 4 Discharge thermistor TH4 6 2 phase pipe TH6 7 Ambient temperature TH7 8 Outdoor heatsink TH8 34 Comp surface thermistor TH34 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1...

Страница 62: ...temperature are displayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs 2 phase pipe 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 Ambient temperature TH7 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5 secs 0...

Страница 63: ... unit 00 is displayed 50 1 1 ON 2 3 4 5 6 Discharge superheat on error occurring SHd 0 255 Cooling TH4 T63HS Heating TH4 T63HS 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 15 1 15 4 The following code will be a help to know the operating status of unit Display Compressor operating frequency control Display Compressor operating frequency control Primary current control Seconda...

Страница 64: ... error Undervoltage error Input current sensor error L1 phase open error Abnormal power synchronous signal PFC error SW75VHA Overvoltage Undervoltage Overcurrent PFC IGBT error SW VHA Undervoltage Display examples for multiple errors Overvoltage 01 Undervoltage 02 03 Undervoltage 02 Power sync signal error 08 0A L1 phase open error 04 PFC error 10 14 Description Display 00 01 02 04 08 10 20 U9 Err...

Страница 65: ... parts box Controller circuit board C B Electrical parts box fixing screws Terminal block TB1 Fan motor fixing screws Fan motor MF1 Fan motor fixing screw Photo 2 2 Photo 2 1 Propeller Front panel Front panel fixing screws Nut 3 Removing the electrical parts box 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the indoor outdoor connecting wire from terminal b...

Страница 66: ...l parts box See Photo 4 5 Pull out the thermistor Ambient TH7 from the sensor holder Note In case of replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor 2 phase pipe Photo 6 Clamp 6 Removing the thermistor Liquid TH3 and thermistor Discharge TH4 thermistor Comp surface TH34 1 Remove the serv...

Страница 67: ...part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by remov ing the right side panel Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing the LEV 1 Remove the service panel See Photo 1 2 Remove the...

Страница 68: ...ide panel fixing screws 5 12 in the rear of the unit and remove the right side panel 5 Pull out the lead wire of high pressure switch 6 Recover refrigerant 7 Remove the welded part of high pressure switch Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it w...

Страница 69: ... Recover refrigerant without spreading it in the air 13 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover panel See Photo 2 1 4 Remove 2 back cover panel fixing screws 5 12 and remove the back cover panel 5 Remove the electrical parts box See Photo 3 6 Remove 3 valve bed f...

Страница 70: ...onnect 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 LEV Diagram symbol in the connector housing Thermistor Liquid TH3 Thermistor Discharge TH4 Thermistor 2 phase pipe Ambient TH6 7 High pressure switch 63H High pressure sensor 63HS Low pressure switch 63L 4 way valve coil 21S4 Thermistor Comp surface TH34 5 Remove the ...

Страница 71: ...Outdoor TH7 from the sensor holder Note In case of replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor 2 phase pipe Photo 6 Clamp Controller circuit board C B Thermistor 2 phase pipe TH6 6 Removing the thermistor Liquid TH3 and thermistor Discharge TH4 thermistor Comp surface TH34 1 Remove t...

Страница 72: ...rews 4 10 and 4 ball valve and stop valve fixing screws 5 16 then remove the valve bed 4 Remove 4 right side panel fixing screws 5 12 in the rear of the unit then remove the right side panel 5 Remove the LEV See Photo 7 6 Recover refrigerant 7 Remove the welded part of LEV 4 way valve coil 21S4 Photo 7 4 way valve LEV coil LEV A LEV coil LEV B 4 way valve coil fixing screw Photo 8 LEV coil LEV B 4...

Страница 73: ... the front cover panel See Photo 3 4 Remove 2 back cover panel fixing screws 5 12 and remove the back cover panel 5 Remove the electrical parts box See Photo 3 6 Remove 3 valve bed fixing screws 4 10 and 4 ball valve and stop valve fixing screws 5 16 then remove the valve bed 7 Remove 3 right side panel fixing screws 5 12 in the rear of the unit then remove the right side panel 8 Recover refrigera...

Страница 74: ...oard C B Terminal block TB1 Cover panel Front PUHZ SW100YHA UK PUHZ SW100YHA BS UK PUHZ SW120YHA UK PUHZ SW120YHA BS UK 1 Removing the service panel and top panel 1 Remove 3 service panel fixing screws 5 12 and slide the hook on the right downward to remove the service panel 2 Remove screws 3 for front 3 for rear 5 12 of the top panel and remove it 2 Removing the fan motor MF1 MF2 1 Remove the ser...

Страница 75: ... Then remove the 2 screws screw 6 and 7 that fix the plate equipped with the noise filter circuit board and converter circuit board See Photo 4 5 Note When reassembling the electrical parts box make sure the wirings are correct Photo 3 2 6 Remove the terminal cover and disconnect the compres sor lead wire 7 Remove 2 electrical parts box fixing screws 4 10 and detach the electrical parts box by pul...

Страница 76: ...sensor holder Note In case of replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6 since they are combined together Refer to No 5 above to remove thermistor 2 phase pipe Photo 7 Clamp Thermistor 2 phase pipe TH6 7 Removing the thermistor Liquid TH3 thermistor Discharge TH4 and thermistor Comp surface TH34 1 Remove the service panel See Photo 1 2 Disconnect the conn...

Страница 77: ...l valve and stop valve fixing screws 5 16 then remove the valve bed 4 Remove 4 right side panel fixing screws 5 12 in the rear of the unit then remove the right side panel 5 Remove the LEV See Photo 8 6 Recover refrigerant 7 Remove the welded part of LEV Photo 8 Photo 9 11 Removing the high pressure switch 63H 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 3 rig...

Страница 78: ...1 2 Remove the top panel See Photo 1 3 Remove the 6 screws screw 8 and 9 5 12 that fix the front panel and remove the front panel See Photo 3 4 Remove the 2 screws screw 0 and 1 both 4 10 that fix the separator screw 0 from the valve bed and screw 1 from the bottom of the separator and tilt the separator to the side of the fan motor slightly See Photo 12 1 and 12 2 5 Disconnect the lead wires from...

Страница 79: ...he compressor fixing nut using a spanner or a adjustable wrench 11 Remove the welded pipe of compressor inlet and outlet and then remove the compressor Note Recover refrigerant without spreading it in the air 14 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove 2 front cover panel fixing screws 5 12 and remove the front cover panel See P...

Страница 80: ...OKYO 100 8310 JAPAN CCopyright 2012 MITSUBISHI ELECTRIC CORPORATION Distributed in Oct 2012 No OCH533 REVISED EDITION A Distributed in Sep 2012 No OCH533 Made in Japan New publication effective Oct 2012 Specifications are subject to change without notice ...

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Содержание PUHZ-SW100VHA

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Mitsubishi Electric PUHZ-SW100VHA, Руководство по обслуживанию

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Содержание PUHZ-SW100VHA

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