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DISASSEMBLY PROCEDURE

OPERATING PROCEDURE

PUHZ-SHW80VHA

PUHZ-SHW112VHA

PHOTOS & ILLUSTRATION

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 service panel. (See Photo 1)
(2) Remove the top panel. (See Photo 1)
(3) Remove 5 fan grille fixing screws (5 × 12) to detach the

fan grille. (See Photo 1)

(4) Remove a nut (for right handed screw of M6) to detach the

propeller. (See Photo 2-1)

(5) Disconnect the connectors, CNF1, CNF2 on controller cir-

cuit board in electrical parts box.

(6) Remove 4 fan motor fixing screws (5 × 20) to detach the

fan motor. (See Photo 2-2)

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 block.

(4) Disconnect the connector CNF1, CNF2, LEV-A, LEV-B and

LEV-C on the controller circuit board.

<Symbols on the board>
• CNF1, CNF2 : Fan motor
• LEV-A, LEV-B, LEV-C : LEV

(5) Disconnect the pipe-side connections of the following parts.

• Thermistor <Liquid>(TH3)
• Thermistor <Discharge>(TH4)
• Thermistor <2-phase pipe>(TH6)
• Thermistor <Ambient>(TH7)
• Thermistor <Suction> (TH32)
• Thermistor <Ref. check> (TH33)
• Thermistor <Comp. surface> (TH34)
• High pressure switch (63H)
• Low pressure switch (63L)
• High pressure sensor (63HS)
• 4-way valve coil (21S4)

(6)

Remove the terminal cover and disconnect the compressor
lead wire.

(7)

Remove an electrical parts box fixing screw (4 × 10) and
detach the electrical parts box by pulling it upward.

The electrical parts box is fixed with 2 hooks on the left
and 1 hook on the right.

Fan motor fixing screws

Photo 2-1

Fan
motor

Fan motor fixing screws

Propeller

Front panel

Photo 2-2

Photo 3

Electrical
parts box

Controller circuit board
(C.B.)

Electrical
parts box
fixing screw

Terminal cover

Compressor
(MC)

Terminal block
(TB1)

Valve bed

Screw

Photo 1

Top panel fixing screws

Top panel

Service panel
fixing screws

Service panel

Grille
fixing
screws

Fan grille

Grille
fixing
screws

Slide

Service panel
fixing screw

OCH526

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Содержание Mr.Slim PUHZ-SHW112VHA

Страница 1: ...HW112VHA PUHZ SHW112YHA PUHZ SHW140YHA Service Ref PUHZ SHW80VHA PUHZ SHW112VHA PUHZ SHW112YHA PUHZ SHW140YHA CONTENTS 1 REFERENCE MANUAL 2 2 SAFETY PRECAUTION 3 3 SPECIFICATIONS 7 4 DATA 9 5 OUTLINES AND DIMENSIONS 11 6 WIRING DIAGRAM 12 7 WIRING SPECIFICATIONS 14 8 REFRIGERANT SYSTEM DIAGRAM 15 9 TROUBLESHOOTING 17 10 FUNCTION SETTING 73 11 MONITORING THE OPERATION DATABY THE REMOTE CONTROLLER 8...

Страница 2: ...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 YM9B UK ERSC VM2B UK OCH532 1 2 FOR AIR TO AIR SYSTEM Model name Service Ref Service Manual No PLA RP71 125BA2 PLA RP71 125BA2 UK OCH412 OCB412 PLA RP100BA3 PLA RP100BA3 OCH459 OCB459 PLA ZRP35 50 60 71 100 125BA PLA ZRP35 50 60 71 100 125BA OCH529 OCB529 PK...

Страница 3: ... pump adaptor Size adjustment gauge Gauge manifold Torque 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 compressor If large amount of mineral oil enters that can cause deterio ration o...

Страница 4: ...n performing service install a filter drier simultaneously Be sure to use a filter drier for new refrigerant 2 Additional refrigerant charge When charging directly from cylinder Check that cylinder for R410A on the market is syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase No Tool name Specifications 1 Gauge manifold Onl...

Страница 5: ...existing pipes are specified size The pipes can be reused Use different diameter joint or adjust the piping size by brazing SHW HA 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 Perform cooling operation for about 30 minutes and ...

Страница 6: ...Nominal dimensions inch Flare nut dimensions Outside diameter Dimension B mm R410A 36 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 va...

Страница 7: ... inlet outlet 40 C 45 C Heating A7 W55 Outside air temperature Dry bulb 7 C Outside air temperature Wet bulb 6 C Water temperature inlet outlet 50 C 55 C Heating A 7 W35 Outside air temperature Dry bulb 7 C Outside air temperature Wet bulb Water temperature inlet outlet C 35 C Heating A 7 W45 Outside air temperature Dry bulb 7 C Outside air temperature Wet bulb Water temperature inlet outlet C 45 ...

Страница 8: ...h Discharge thermo Comp surface thermo Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 2 5 51 52 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 ...

Страница 9: ... ANB33FJLMT at 20 0 302 0 302 0 302 ANB33FJMMT 0 188 0 188 0 188 PUHZ SHW80VHA PUHZ SHW112VHA PUHZ SHW112YHA PUHZ SHW140YHA Additional charge is required for pipes longer than 10m 4 3 NOISE CRITERION CURVES PUHZ SHW80VHA PUHZ SHW112VHA PUHZ SHW112YHA PUHZ SHW140YHA 1 5m 1m MICROPHONE UNIT GROUND NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 90 80 70 60 50 40 30 20 10 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB...

Страница 10: ...h Intake air temperature Discharge air temperature Intake air temperature V A V A MPa MPa m Indoor unit D B W B D B D B W B PEAD RP100JA PEAD RP125JA PEAD RP100JA PEAD RP125JA Cooling 10 000 3 26 Heating 11 200 3 10 Cooling 12 500 3 89 Heating 14 000 3 88 11 10 3 69 2 61 0 97 68 44 13 7 5 27 19 16 35 24 0 89 11 28 3 74 2 22 0 72 65 37 4 7 5 20 15 35 7 6 4 92 2 79 0 89 72 47 8 7 5 27 19 15 35 24 0 ...

Страница 11: ...55 23 73 63 Front piping hole Knockout Front trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 145 145 220 30 145 81 219 71 71 Bottom piping hole Knockout Drain hole 5 33 23 SHW VHA SHW YHA 1 079 A 930 Over Over Over Over Less than Piping and wiring connections can be made from 4 directions front right rear and below 4 PIPING WIRING DIRECTIONS 3 FOUNDATION BOLTS 2 SERVICE SPACE 1 FR...

Страница 12: ...tion 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 Switch Test Operation Switch Function Switch Model Select Switch Model Select SW4 SW5 SW6 P B W DCL CB L N S1 S2 S3 TB1 V U 2 RED WHT BLK MC CN2 WHT CN4 WHT 1 7 2 1 3 1 RED BLU YLW ORN...

Страница 13: ...tor Suction LEV A LEV B LEV C SYMBOL M NET ADAPTER NAME TB7 CN5 CND CN2M Terminal Block M NET connection Connector Transmission Connector Power Supply Connector M NET communication P B U POWER SUPPLY 3N 400V 50Hz TB1 V W RED WHT BLK MC 7 L1 L2 L3 N N F CNAC1 WHT 3 1 CNDC PNK 3 1 CNL BLU 1 3 CNAC2 RED 3 1 CNCT RED 1 2 LO1 LO2 LO3 NO GD1 NI LI1 LI2 LI3 GD3 S1 S2 S3 CK 2 3 2 3 ACL4 ACL3 ACL2 ACL1 RED...

Страница 14: ... shown in the picture 3 The 10 m wire is attached in the remote controller accessory 4 The figures are NOT always against the ground S3 terminal has DC 24 V against S2 terminal However between S3 and S1 these terminals are NOT electrically insulated by the transformer or other device S1 S2 S3 S1 S2 S3 Warning In case of A control wiring there is high voltage potential on the S3 terminal caused by ...

Страница 15: ...4 Change the refrigerant circuit Heating Cooling and for Defrosting Charge plug Charge plug High pressure Low pressure For production test use P Sensor Pressure sensor 63HS For calculation of the condensing temperature from high pressure LEV A Linear expansion valve A Heating Secondary LEV Cooling Primary LEV LEV B Linear expansion valve B Heating Primary LEV Cooling Secondary LEV LEV C Linear exp...

Страница 16: ...cation takes about 3 minutes after the power circuit breaker is turned on Start the pump down operation 3 to 4 minutes after the power circuit breaker is turned ON In the case of multi units control before powering on disconnect the wiring between the master indoor unit and the slave indoor unit For more details refer to the installation manual for the indoor unit 2 After the liquid stop valve is ...

Страница 17: ...s no abnormality in electrical component controller board remote controller and etc Re check the abnormal symptom Conduct trouble shooting and ascertain the cause of the trouble according to 9 5 Troubleshooting by inferior phenomena Continue to operate unit for the time being if the cause is not ascertained There is no abnormality concerning of parts such as electrical component controller board r...

Страница 18: ...tely 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 supply 3 Press OPERATION SWITCH button 4 Press AIR DIRECTI...

Страница 19: ... controller display turned off A TEST RUN and current operation mode are displayed 3 Press the MODE button to activate COOL mode then check whether cool air is blown out from the unit 4 Press the MODE button to activate HEAT mode then check whether warm air is blown out from the unit 5 Press the FAN button and check whether strong air is blown out from the unit 6 Press the VANE button and check wh...

Страница 20: ... service handbook Reset the error history Display the error history in the diagnosis result display screen see step Error code 2 or 4 digits Alternating Display Address 3 digits or unit number 2 digits The refrigerant address will begin to blink approximately 3 seconds after being selected and the self diagnosis process will begin Unit number or refrigerant address to be diagnosed Error code 2 or ...

Страница 21: ... display content will change as shown below Press the FILTER button to start self diagnosis 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 blinks The remote controller s transmitting receiv ing circuit is defective...

Страница 22: ...elled Procedure 1 Press the CHECK button twice 2 Press the temperature buttons 3 Point the remote controller at the sensor on the indoor unit and press the HOUR button 4 Point the remote controller at the sensor on the indoor unit and press the ON OFF button Malfunction diagnosis method at maintenance service 9 3 4 Malfunction diagnosis method by wireless remote controller In case of trouble durin...

Страница 23: ...mes Wireless remote controller Wired remote controller Beeper sounds OPERATION INDICATOR lamp blinks 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 Float switch connector open 5 P5 Drain pump error PA Forced compressor s...

Страница 24: ...e noise filter Y Refer to 9 9 4 Check connection of reactor DCL or ACL Refer to 9 9 5 a Check connection of outdoor noise filter circuit board b Replace outdoor noise filter circuit board Refer to 9 9 6 Replace outdoor power circuit board 7 Replace controller board When items above are checked but the units can not be repaired F5 5201 63H connector open Abnormal if 63H connector circuit is open fo...

Страница 25: ...rity of 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...

Страница 26: ...ction 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 9 9 2 Check resistance value of thermistor TH4 TH34 or temperature by microprocessor Thermistor TH4...

Страница 27: ... 3 Defective outdoor controller circuit board U6 4250 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 ...

Страница 28: ...HW VHA 4 Replace outdoor power circuit board 5 Replace outdoor converter circuit board SHW YHA 6 Check RS wiring SHW YHA 7 Replace RS SHW YHA 8 Check CB wiring SHW VHA 9 Check CN2 wiring SHW VHA 0 Replace outdoor controller circuit board SHW VHA 04 Input current sensor error L1 phase open error Decrease in input current through outdoor unit to 0 1A only if operation frequency is more than or equal...

Страница 29: ...bus voltage to 420V b Decrease in PFC control voltage to 12V DC or lower c Increase in input current to 50A peak For models equipped with single phase PFC only Not applicable for SHW80 112VHA and SHW112 140YHA models Check for the switch settings for Model Select on the outdoor controller circuit board 20 PFC IGBT error Undervoltage When Compressor is running DC bus voltage stays at 310V or lower ...

Страница 30: ...oller and E4 is displayed at LED LED1 LED2 on the outdoor controller circuit board 3 Miswiring of remote controller 4 Defective transmitting receiving circuit of remote controller 5 Defective transmitting receiving circuit of indoor controller board of refrigerant address 0 6 Noise has entered into the transmission wire of remote controller Compressor overcurrent interruption Abnormal if overcurre...

Страница 31: ...mal 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 circuit board CNMNT and M NET board CN5 2 Check disconnection looseness or breaking of connection wire between outdoor controller circuit board CNMNT and M NET board CND 3 Check M NET transmission wiring method E8 6...

Страница 32: ...as abnormal when the pipe temperature is not in the cooling range 3 minutes after compressor start and 6 minutes after the liquid or condenser evaporator pipe is out of cooling range Note 1 It takes at least 9 minutes to detect Note 2 Abnormality P8 is not detected in drying mode Cooling range Indoor pipe temperature TH2 or TH5 room temperature TH1 3 TH Lower temperature between liquid pipe temper...

Страница 33: ...y because of noise or etc Note The address and attribute displayed at remote controller indicate the controller that detected abnormality 1 Transmission processor could not transmit signal because short cycle voltage of noise and the like have entered into transmission wire continuously 2 Transmission quantity has increased and transmission of signal is not possible because there was wiring mistak...

Страница 34: ...ormality generated address 3 Check disconnection or looseness of abnormality generated or abnormality detected transmission wire terminal block and connector 4 Check if tolerance range of transmission wire is not exceeded 5 Check if type of transmission wire is correct or not If there were some trouble of 1 5 above repair the defect then turn off the power supply of outdoor unit indoor unit and FR...

Страница 35: ...ly of same refrigerant system with LOSSNAY is turned off or within 2 minutes of restart abnormality is detected 3 Contact failure of transmission wire of indoor unit of LOSSNAY 4 Disconnection of transmission connector CN2M of indoor unit 5 Defective transmitting receiving circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is nonexistent 1 The unit of former address does not exi...

Страница 36: ...sing the remote controller operation switch the OPERATION display is appeared but it will be turned off soon 1 After cancelling to select function from the remote controller the remote controller operation switch will be not accepted for approx 30 seconds 1 Normal operation 1 At longest 2 minutes after the power supply PLEASE WAIT is displayed to start up 2 Communication error between the remote c...

Страница 37: ...ately when turning off by the remote controller 12 Normal operation For protection of compressor 12 Normal operation 4 Even controlling by the wireless remote controller no beep is heard and the unit does not start operating Operation display is indicated on wireless remote controller 1 The pair number settings of the wireless remote controller and indoor controller board are mismatched 1 Check th...

Страница 38: ...round the outdoor unit Water or vapour is emitted from the outdoor unit During cooling mode water may form and drip from the cool pipes and joints During heating mode water may form and drip from the heat exchanger of outdoor unit During defrosting mode water on the heat exchanger of outdoor unit evaporates and water vapour may be emitted The operation indicator does not appear in the remote contr...

Страница 39: ... 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 40: ... 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 ...

Страница 41: ...tdoor 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 outdoo...

Страница 42: ...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 43: ...lear 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 ...

Страница 44: ...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 does not match the setting of the remote controller in HEAT operation The up down vane will be automatically set to horizontal b...

Страница 45: ...e airflow direction does not 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 does not have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed Someth...

Страница 46: ...ps down Heating water drips down from the heat exchanger Make use of optional parts Drain Socket and Drain pan if these water needs to be recovered and drained out for once 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 does not come on The indoor un...

Страница 47: ...lenoid valve coil Four way valve 21S4 Motor for compressor MC Linear expansion valve LEV A LEV B LEV C Normal Abnormal Open or short Disconnect the connector then measure the resistance with a tester Winding temperature 20 Normal Gray Black Gray Red Gray Yellow Gray Orange Abnormal 46 3 Open or short Measure the resistance between the terminals with a tester At the ambient temperature 20 Solenoid ...

Страница 48: ...nnector CNF1 2 Measure the voltage in the outdoor controller circuit board TEST POINT VDC between 1 and 4 of the fan connector VDC DC280 380V 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...

Страница 49: ... 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 Heatsink TH8 SHW80 112VHA 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 Thermistor Comp surface TH34 0 10 20 30 40 50 20 10 0 10 20 30 40 50 Tempera...

Страница 50: ...ocked 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 driver 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 3 2 ...

Страница 51: ...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 stopper 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 52: ...an 10 hours Neglecting this could result in freezing the heat exchanger in indoor unit 3 Emergency operation procedure 1 Turn the main power supply off 2 Turn on the emergency operation switch SWE on indoor controller board 3 Set the shorting pins of emergency operation connector CN31 on outdoor controller board to ON 4 Use SW4 2 on outdoor controller board to set the operation mode cooling or hea...

Страница 53: ...80 5 7 5 30deg 5deg 1 1 1 1 1 2 2 Remarks 1 If the thermistor temperature data is normal not open short that data is loaded into the control as valid data When the unit enters emergency operation and TH values are mismatched set the thermistors to open short And the unit runs emegency operation with the values listed above 2 If one thermistor is set to open short the values for each will be differ...

Страница 54: ... for SHW112 140Y VFG Voltage between right pins of PC5C and PC5D pin 3 and pin 4 Same as CNF17 4 VSP Voltage between pins of C5A C5B DC 0V when stopped DC 1 6 5V when operated SW7 Demand control setting CN51 External signal output Compressor operat ing signal Abnormal signal LEV A B C Linear expansion valve SWP Pump down SW8 Pipe replace Wiring replace CNM Connect to A control service tool CNMNT C...

Страница 55: ...CNAC1 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 power circuit board TB L1 L2 L3 CNCT Primary current Connect to the outdoor power circuit board CN5 CNL Connect to the ACL4 GD3 Connect to the earth NO Connect to the outdoor converter...

Страница 56: ...r controller circuit board CN2 1 5 Transmitting signal to outdoor controller circuit board 0 5 V DC 2 5 Zero cross signal 0 5 V DC 3 4 18 V DC 6 5 16 V DC 7 5 16 V DC N2 Connect to the smoothing capacitor CB CN4 Connect to the outdoor controller circuit board CN4 Brief Check of POWER MODULE Usually they are in a state of being short circuited if they are broken Measure the resistance in the follow...

Страница 57: ...ry 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 circuit board L1 OU ...

Страница 58: ...he 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 OCH526 ...

Страница 59: ...itch Type of switch Dip switch Push switch SW1 1 2 No Function Effective timing Action by the switch operation Forced defrost 1 Start Normal When compressor is working in heating operation 1 Abnormal history clear Refrigerant address setting 2 When power supply ON Clear Normal off or operating SWP 6 5 4 3 Under suspension Pump down Start Normal SW4 SW8 1 2 1 2 3 Test run Operating OFF Under suspen...

Страница 60: ...emand control 3 1 2 SW7 1 SW7 2 OFF 0 Operation stop 75 50 OFF ON OFF OFF ON Power consumption Demand switch ON Model select Following SW5 6 reference SW9 3 SW9 4 OFF 3 C Initial setting 3 C 0 C OFF ON OFF OFF ON Ambient temp 6 C ON ON 2 Function of connector 2 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...

Страница 61: ...ow level sound priority mode Turn SW1 to off to release Low level sound priority mode and normal operation b On demand control Local wiring Demand control is available by external input In this mode power consumption is decreased within the range of usual 0 100 How to wire Basically the wiring is same with a Connect an SW 1 which is procured locally between Orange and Red 1 and 3 of the adapter fo...

Страница 62: ...nsmitting 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 M NET system 1 Error code displ...

Страница 63: ...door controller board and connector CN3 on outdoor power board are 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 63HS on outdoor controller board is disconnected Abnormality o...

Страница 64: ...inks 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 error Outdoor u...

Страница 65: ...it 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 w Value after the decimal point will be truncated 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 s...

Страница 66: ...mber 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 Thermo ON time 0 999 Test run elapsed time 0 120 0 999 When it is 100 minutes or more...

Страница 67: ...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 68: ... less and temperature are displayed by turns 40 200 When the temperature is 0 or less and temperature are displayed by turns When the thermistor detects 100 or more hundreds digit tens digit and ones digit are displayed by turns Outdoor outside temperature TH7 39 88 39 88 When the temperature is 0 or less and temperature are displayed by turns The black square indicates a switch position 2 cycles ...

Страница 69: ...story 3 Oldest Alternate display of abnormal unit number and code When no error history 0 and are displayed by turns 3 Liquid pipe temperature TH3 4 Discharge pipe temperature TH4 6 2 phase pipe temperature TH6 7 Ambient temperature TH7 8 Heatsink temperature TH8 32 Suction pipe temperature TH32 34 Comp surface temperature TH34 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 Error ther...

Страница 70: ... 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 displayed by turns Example Wh...

Страница 71: ... 2 3 4 5 6 1 ON 2 3 4 5 6 Minute 15 1 15 4 Discharge superheat on error occurring SHd 0 255 Cooling TH4 T63HS Heating TH4 T63HS Sub cool on error occurring SC 0 130 Cooling T63HS TH3 Heating T63HS TH2 The black square indicates a switch position Controlling status of compressor operating frequency 1 ON 2 3 4 5 6 Code display The following code will be a help to know the operating status of unit Di...

Страница 72: ...age Display examples for multiple errors Overvoltage 01 Undervoltage 02 03 Undervoltage 02 Power sync signal error 08 0A L1 phase open error 04 PFC IGBT error 20 24 Description Display 00 01 02 04 08 20 U9 error details To be shown while error call is deferred Code display Outdoor suction pipe temperature TH32 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns E...

Страница 73: ... refrigerant system 10 1 UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER Each function can be set according to necessity using the remote controller The setting of function for each unit can only be done by the remote controller Select function available from the table 1 Table 1 Function selections 1 Functions are available when setting the unit number to 00 Select 00 referring to 4 setting the ind...

Страница 74: ...unctions for an indoor unit in an independent system set the unit number to 01 referring to 4 Set the indoor unit number of Operating Procedure When setting functions for a simultaneous twin indoor unit system set the unit number to 01 to 02 for each indoor unit in case of selecting different functions for each unit referring to 4 setting the indoor unit number of Operating Procedure When setting ...

Страница 75: ...ing Press Specified indoor unit FAN operation Change refrigerant address or unit No Switch to function setting mode Press and at the same time with the remote controller stopped 10 1 1 Selecting functions using the wired remote controller First try to familiarize yourself with the flow of the function selection procedure In this section an example of setting the room temperature detection position...

Страница 76: ...error may have occurred Check to see if there are any sources of noise or interference near the transmission path If you wish to continue to select other functions repeat steps to Complete function selection Hold down the mode is 15 to 28 and buttons simultaneously for at least 2 seconds FILTER After a while the function selection screen will disappear and the air condi tioner OFF screen will reap...

Страница 77: ...inks Press the temp button once to set 50 Direct the wireless remote controller toward the receiver of the indoor unit and press the button 3 Set the unit number Press the temp button to set the unit number Press 01 to specify the indoor unit whose unit number is 01 Direct the wireless remote controller toward the receiver of the indoor unit and press the button If a unit number that cannot be rec...

Страница 78: ...l setting value The automatic mode is displayed when the operation mode is selected OFF The automatic mode is not displayed when the operation mode is selected 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the ON OFF button Main The controller will be the main controller Sub The controller will be the sub controller 2 Use of clock setting To switch the...

Страница 79: ...d 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 temperature range can be changed on heating mode The temperature range can be changed on automatic mode The remote controller will be the main ...

Страница 80: ...nd to select the desired refrigerant address Screen 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 in the same way as in maintenance mode Data collected during operation of the remote controller will be displayed The collected data such as temperature data will not be updated automatically e...

Страница 81: ...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 Indoor unit Liquid pipe temperature Unit No 3 Indoor unit Liqui...

Страница 82: ...nit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 255 Refer to11 2 1 DetailContentsinRequestCode Refer to11 2 1 DetailContentsinRequestCode Refer to11 2 1 DetailContentsinRequestCode Refer to11 2 1 DetailContentsinRequestCode 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Display...

Страница 83: ...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 error Outdoor unit 2 phase pipe temperature TH6...

Страница 84: ...me 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 Microprocessor version information Indoor unit Microprocessor version in...

Страница 85: ...display area 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 op...

Страница 86: ... 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 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 Error content 0 0 Error content Detected Display Overvoltage Undervoltage L1 phase Power...

Страница 87: ...lay Request 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 Setting information 0 0 Setting information Display Defrost mode 0 Standard 1 For high humidity Setting information Display Single Heat pump 3 phase cooling only 0 Single phase Heat pump 1 Cooling only 2 3 phase Heat p...

Страница 88: ... 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 Switch OFF 1 Switch 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 1 1 0...

Страница 89: ...BA3 140BA2 12 MEXZ GA VA 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 04 28 14 05 32 15 06 35 36 16 07 40 17 08 45 18 09 50 19 0A 56 1A 0b 63 1b 0C 71...

Страница 90: ...t to check the data with the air conditioner stopped skip to step 4 L Fixed Hz operation The operating frequency can be fixed to stabilize operation of inverter model If the air conditioner is currently stopped start it by this operation 2 Press the MODE button to select the desired operation mode Display 3 Press the FILTER button to confirm the setting Display Waiting for stabilization HEAT STABL...

Страница 91: ...ure Comp discharge temperature Outdoor ambient temperature INDOOR UNIT INLET TEMP INDOOR UNIT H EXC TEMP INDOOR UNIT FILTER USE H Indoor room temperature Heat exchanger temperature Filter operating time 12 340 hours Display Waiting for response Blinking After approx 10 seconds 1 1 Refrigerant address 00 Twin Refrigerant address 00 Outdoor unit Indoor unit 02 Indoor unit 01 Outdoor unit Remote cont...

Страница 92: ...r temperature Indoor intake air temperature Cool Classification Item Result Inspection Temperature difference Heat Inspection Temperature difference Stable Unstable Stable Unstable Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is 40 or higher or indoor intake air temperature is 23 or lower B In heat mode outdoor intake ...

Страница 93: ...before enabling this setting Display GAS LEAK TEST START GAS LEAK JUDGE Refrigerant leakage detection judgement Refrigerant leakage detection initial teaching 1 How to select the Refrigerant Leakage Detection mode Detection is possible regardless the unit s operation ON or OFF Press button for more than 3 seconds to switch to EASY MAINTENANCE mode Display 2 How to start the initial learning Press ...

Страница 94: ...nt leakage mode How to reset the initial condition data When the unit is removed and installed again or refrigerant is charged additionally the Initial learning must be performed again by following procedure 1 Turn Main Power OFF 2 Connect the pin of CN31 to ON position on the outdoor controller board 3 Turn SW4 1 on the outdoor controller board to ON 4 Turn Main Power ON to reset the initial data...

Страница 95: ...connector CNF1 CNF2 LEV A LEV B and LEV C on the controller circuit board Symbols on the board CNF1 CNF2 Fan motor LEV A LEV B LEV C LEV 5 Disconnect the pipe side connections of the following parts Thermistor Liquid TH3 Thermistor Discharge TH4 Thermistor 2 phase pipe TH6 Thermistor Ambient TH7 Thermistor Suction TH32 Thermistor Ref check TH33 Thermistor Comp surface TH34 High pressure switch 63H...

Страница 96: ...r holder Removing the thermistor Comp surface TH34 5 Remove the sound proof cover upper for compressor 6 Pull out the thermistor Comp surface TH34 from the holder of the compressor shell 6 Removing the thermistor Liquid TH3 thermistor Suction TH32 and thermistor Ref check TH33 1 Remove the service panel See Photo 1 2 Disconnect the connectors TH3 white and TH32 black TH33 yellow on the controller ...

Страница 97: ...ing screws 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 linear expansion valve coil 6 Recover refrigerant 7 Remove the welded part of linear expansion valve Note When installing the linear expansion valve cover it with a wet cloth to prevent it f...

Страница 98: ...ire 11 Recover refrigerant 12 Remove the 3 points of the compressor fixing nut using a spanner or a adjustable wrench 13 Remove the welded pipe of compressor inlet and outlet then remove the compressor Note Recover refrigerant without spreading it in the air OPERATING PROCEDURE PHOTOS 11 Removing the reactor DCL and capacitor CB 1 Remove the service panel See Photo 1 2 Remove the top panel See Pho...

Страница 99: ...trical 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 refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove 2 receiver leg fixing screws 4 10 Note Recover refrigerant ...

Страница 100: ...l parts box is fixed with 2 hooks on the left and 1 hook on the right 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 service panel See Photo 1 2 Remove the top panel See ...

Страница 101: ...of the electrical parts box and remove the bottom side plate by sliding in the direction of the arrow B See Photo 4 3 and 4 4 6 Remove the noise filter circuit board from the electrical parts box 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 t...

Страница 102: ...older Removing the thermistor Comp surface TH34 5 Remove the sound proof cover upper for compressor 6 Pull out the thermistor Comp surface TH34 from the holder of the compressor shell 7 Removing the thermistor Liquid TH3 thermistor Suction TH32 and thermistor Ref check TH33 1 Remove the service panel See Photo 1 2 Disconnect the connectors TH3 white and TH32 black TH33 yellow on the controller cir...

Страница 103: ...xing screws 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 linear expansion valve coil 6 Recover refrigerant 7 Remove the welded part of linear expansion valve Note When installing the linear expansion valve cover it with a wet cloth to prevent it ...

Страница 104: ...of the separator and tilt the separator to the side of the fan motor slightly See Photo 12 1 5 Disconnect the lead wires from the reactor and remove the 4 screws screw 0 that fix the reactor to remove the reactor See photo 12 2 and 12 3 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 12 1 Electrical parts bo...

Страница 105: ...able wrench 13 Remove the welded pipe of compressor inlet and outlet 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 Photo 3 4 Remove 2 back cover panel fixing screws 5 12 an...

Страница 106: ...ARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN CCopyright 2012 MITSUBISHI ELECTRIC ENGINEERING CO LTD Distributed in Sep 2012 No OCH526 Made in Japan New publication effective Sep 2012 Specifications are subject to change without notice ...

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