Mitsubishi Electric PUY-A12NHA Скачать руководство пользователя страница 25 | Manualshive

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2. Start and finish of test run

• Operation from the indoor unit

Execute the test run using the installation manual for the indoor unit.

• Operation from the outdoor unit

By using the DIP switch SW4 on the control board of outdoor unit, test run can be started and finished, and its operation
mode (cooling/heating) can be set up.

1

Set the operation mode (cooling/heating) using SW4-2.

2

Turn on SW4-1 to start test run with the operation mode set by SW4-2.

3

Turn off SW4-1 to finish the test run.

• There may be a faint knocking sound around the machine room after power is supplied, but this is

no problem with product because the linear expansion pipe is just moving to adjust opening pulse.

• There may be a knocking sound around the machine room for several seconds after compressor

starts operating. But this is not a problem with product because the check valve itself generates
the sound because pressure difference is small in the refrigerant circuit.

Note:
The operation mode cannot be changed by SW4-2 during test run. (To change test run mode, stop the unit by SW4-1,
change the operation mode and restart the test run by SW4-1.)

OFF

1

2

ON

<SW4>

A B

C D

A

Stop

C

operation

B

Cooling

D

Heating

(PUZ only)

1. Refrigerant collecting (pump down)

Perform the following procedures to collect the refrigerant when moving the indoor unit or the outdoor unit.

1

Turn on the power supply (circuit breaker).

w

When power is supplied, make sure that “CENTRALLY CONTROLLED” is not displayed on the remote controller. If
“CENTRALLY CONTROLLED” is displayed, the refrigerant collecting (pump down) cannot be completed normally.

2

After the liquid stop valve is closed, set the SWP switch on the control board of the outdoor unit to ON. The compressor

(outdoor unit) and ventilators (indoor and outdoor units) start operating and refrigerant collecting operation begins. LED1 and
LED2 on the control board of the outdoor unit are lit.

w

Set the SWP switch (push-button type) to ON in order to perform refrigerant collecting operation only when the unit is
stopped. However, refrigerant collecting operation cannot be performed until compressor stops even if the unit is stopped.
Wait 3 minutes until compressor stops and set the SWP switch to ON again.

3

Because the unit automatically stops in about 2 to 3 minutes after the refrigerant collecting operation (LED1 is not lit

and LED2 is lit), be sure to quickly close the gas stop valve.

w

In case the outdoor unit is stopped when LED1 is lit and LED2 is not lit, open the liquid stop valve completely, and then

repeat step

2

3 minutes later.

w

If the refrigerant collecting operation has been completed normally (LED1 is not lit and LED2 is lit), the unit will remain
stopped until the power supply is turned off.

4

Turn off the power supply (circuit breaker.)

OC367C--1.qxp 07.6.20 0:56 PM Page 25

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Содержание PUY-A12NHA

Страница 1: ...NHA PUY A18NHA PUY A24NHA PUY A30NHA PUY A36NHA PUY A42NHA PUY A12NHA BS PUY A18NHA BS PUY A24NHA BS PUY A30NHA BS PUY A36NHA BS PUY A42NHA BS Service Ref PUZ A18NHA PUZ A24NHA PUZ A30NHA PUZ A36NHA PUZ A42NHA PUZ A18NHA BS PUZ A24NHA BS PUZ A30NHA BS PUZ A36NHA BS PUZ A42NHA BS PUY A12NHA PUY A12NHA1 PUY A18NHA PUY A18NHA1 PUY A24NHA PUY A24NHA1 PUY A30NHA PUY A30NHA1 PUY A36NHA PUY A36NHA1 PUY A...

Страница 2: ... PCA A24 30 36 42GA PCA A24 30 36 42GA 1 OC368 PKA A12 18GA PKA A12 18GA 1 OC369 PKA A12 18GAL PKA A12 18GAL 1 PKA A24 30 36FA PKA A24 30 36FA 1 PKA A24 30 36FAL PKA A24 30 36FAL 1 2 2 TECHNICAL DATA BOOK Manual No OCS04 2 REFERENCE MANUAL PUY A12NHA BS PUY A12NHA1 BS PUY A18NHA BS PUY A18NHA1 BS PUY A24NHA BS PUY A24NHA1 BS PUY A30NHA BS PUY A30NHA1 BS PUY A36NHA BS PUY A36NHA1 BS Controller circ...

Страница 3: ...ant can cause deterioration of refrigerant oil etc Use a vacuum pump with a reverse flow check valve Vacuum pump oil may flow back into refrigerant cycle and that can cause deterioration of refrigerant oil etc Use the following tools 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 ente...

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

Страница 5: ...tside diameter Dimension A 0 0 4 Unit mm inch R410A R22 1 4 3 8 1 2 5 8 3 4 6 35 9 52 12 70 15 88 19 05 17 0 43 64 22 0 7 8 26 0 1 3 64 29 0 1 9 64 17 0 22 0 24 0 27 0 36 0 Nominal dimensions Flare nut dimensions Outside diameter Dimension B Unit mm inch R410A R22 Gauge manifold Charge hose Gas leak detector Refrigerant recovery equipment Refrigerant cylinder Applied oil Safety charger Charge valv...

Страница 6: ...0ft 20m max and 16ft 5m min of piping The additional refrigerant charging work during installation often causes problems It is completely eliminated by chargeless system This unique system improves the quality and reliability of the work done It also helps to speed up the installation time PUZ A24 30 36NHA PUZ A24 30 36NHA BS PUY A24 30 36NHA PUY A24 30 36NHA1 PUY A24 30 36NHA1 BS PUZ A42NHA PUZ A...

Страница 7: ...und level Cooling dB 46 48 48 48 51 Heating dB 47 50 50 50 55 Protection devices HP switch HP switch HP switch HP switch HP switch LP switch Discharge thermo Discharge thermo Discharge thermo Discharge thermo Discharge thermo Dimension W mm 800 950 950 950 950 D mm 300 23 330 30 330 30 330 30 330 30 H mm 600 943 943 943 1350 W in 31 1 2 37 12 32 37 12 32 37 12 32 37 12 32 D in 11 13 16 7 8 13 1 3 ...

Страница 8: ...8 48 51 Heating dB Protection devices HP switch HP switch HP switch HP switch HP switch HP switch LP switch Discharge thermo Discharge thermo Discharge thermo Discharge thermo Discharge thermo Discharge thermo Dimension W mm 800 800 950 950 950 950 D mm 300 23 300 23 330 30 330 30 330 30 330 30 H mm 600 600 943 943 943 1350 W in 31 1 2 31 1 2 37 12 32 37 12 32 37 12 32 37 12 32 D in 11 13 16 7 8 1...

Страница 9: ...9 kg 3 1 kg 3 2 kg 3 4 kg 3 6 kg 3 7 kg 3 9 kg 4 1 kg 4 3 kg 4 4 kg 2 7 kg PUY A36NHA1 BS PUY A36NHA PUY A36NHA1 PUZ A36NHA BS PUZ A36NHA 84 oz 90 oz 96 oz 102 oz 108 oz 114 oz 120 oz 126 oz 132 oz 138 oz 144 oz 150 oz 156 oz 96 oz 2 4 kg 2 6 kg 2 7kg 2 9 kg 3 1 kg 3 2 kg 3 4 kg 3 6 kg 3 7 kg 3 9 kg 4 1 kg 4 3 kg 4 4 kg 2 7 kg PUY A42NHA BS PUY A42NHA PUZ A42NHA BS PUZ A42NHA 132 oz 136 oz 142 oz ...

Страница 10: ...500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 µbar BAND CENTER FREQUENCIES Hz PUY A24 30 36NHA PUY A24 30 36NHA1 PUY A24 30 36NHA1 BS PUZ A24 30 36NHA PUZ A24 30 36NHA BS COOLING MODE HEATING 48 SPL dB 50 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE ...

Страница 11: ...temperature 52 0 51 6 46 8 49 6 49 1 55 9 51 5 48 0 46 8 52 3 Suction temperature 4 8 1 2 7 0 0 3 1 2 1 6 3 3 2 0 4 6 0 1 Ref Pipe length m 7 6 7 6 7 6 7 6 7 6 7 6 7 6 7 6 7 6 7 6 Discharge pressure PSIG 455 490 414 440 434 508 467 428 414 475 Suction pressure PSIG 118 93 125 99 104 94 110 87 121 103 Discharge temperature F 179 192 163 175 183 198 192 181 163 187 Condensing temperature F 126 125 1...

Страница 12: ...harge temperature 72 8 81 6 72 6 83 7 88 8 72 9 Condensing temperature 50 7 52 0 46 8 49 1 51 5 46 8 Suction temperature 11 1 4 8 7 0 1 2 3 3 4 6 Ref Pipe length m 7 6 7 6 7 6 7 6 7 6 7 6 Discharge pressure PSIG 434 455 414 434 467 414 Suction pressure PSIG 145 118 125 104 110 121 Discharge temperature F 163 179 163 183 192 163 Condensing temperature F 123 126 116 120 125 116 Suction temperature F...

Страница 13: ... Air outlet 4 oval hole Air intake Service panel Connection for liquid pipe Service panel for charge plug Service port Connection for gas pipe Min 100mm 3 15 16 Min 500mm 19 11 16 Min 350mm 13 25 32 Basically open Max Foundation bolt height FOUNDATION Please secure the unit firmly with 4 foundation M10 W3 8 bolts Bolts washers and nut must be purchased locally 18mm 23 32 33 1 5 16 drain hole 43 6 ...

Страница 14: ... terminal Left Power supply wiring Reight Indoor Outdoor wiring Terminal Block 63 2 1 2 73 2 7 8 75 2 31 32 40 1 9 16 92 3 5 8 92 3 5 8 27 1 1 16 23 29 32 55 2 3 16 19 3 4 Conduit hole 2 27 1 1 16 Knockout Right trunking hole Knockout Right piping hole Knockout 9 2 3 5 8 45 1 25 32 65 2 9 16 92 3 5 8 40 1 9 16 63 2 1 2 23 29 32 73 2 7 8 55 2 3 16 27 1 1 16 Conduit hole 2 27 1 1 16 Knockout Front t...

Страница 15: ...Rear piping hole Knockout Rear trunking hole Knockout Conduit hole 2 27 1 1 16 Knockout 9 2 3 5 8 19 3 4 55 2 3 16 92 3 5 8 75 2 31 32 40 1 9 16 73 2 7 8 63 2 1 2 23 29 32 27 1 1 16 92 3 5 8 Right piping hole Knockout Right trunking hole Knockout Conduit hole 2 27 1 1 16 Knockout 92 3 5 8 92 3 5 8 65 2 9 16 45 1 25 32 40 1 9 16 27 1 1 16 55 2 3 16 23 29 32 73 2 7 8 63 2 1 2 Front piping hole Knock...

Страница 16: ...CL Terminal Block Power Supply Indoor Outdoor Motor for Compressor Fan Motor Solenoid Valve Four Way Valve High Pressure Switch Thermistor Outdoor Pipe Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Outdoor Thermistor Heat Sink Electronic Expansion Valve Reactor Power Circuit Board Connection Terminal U V W Phase P B U V W Noise Filter Circuit Board Connection Terminal L1 Phase Co...

Страница 17: ... Outdoor Motor for Compressor Fan Motor C1 Fan Capacitor Solenoid Valve Four Way Valve High Pressure Switch SV Solenoid Valve Bypass Valve Thermistor Outdoor Pipe Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Outdoor Thermistor Heat sink Electronic Expansion Valve Reactor Power Circuit Board Connection Terminal U V W Phase P B U V W Noise Filter Circuit Board Connection Terminal ...

Страница 18: ...DCL 52C Terminal Block Power Supply Indoor Outdoor Motor for Compressor Fan Motor C1 Fan Capacitor Solenoid Valve Four Way Valve High Pressure Switch SV Solenoid Valve Bypass Valve Thermistor Outdoor Pipe Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Outdoor Thermistor Heat Sink Electronic Expansion Valve Reactor 52C Relay RS Rush Current Protect Resistor ACTM Active Filter Modul...

Страница 19: ...rminal Block Power Supply Indoor Outdoor Motor for Compressor Fan Motors Solenoid Valve Four Way Valve High Pressure Switch Low Pressure Switch Thermistor Outdoor Pipe Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Outdoor Thermistor Heat Sink Electronic Expansion Valve Reactor 52C Relay RS Rush Current Protect Resistor ACTM Active Filter Module CB Main Smoothing Capacitor Power C...

Страница 20: ... comply with the applicable local and national code 2 Use copper supply wires 3 Use wires rated 300V or more for the power supply cables and the indoor outdoor unit connecting cables 4 Install an earth longer than other cables Notes Outdoor unit model Outdoor unit power supply Breaker size Minimum circuit ampacity Maximum rating of overcurrent protective device Outdoor unit power supply Outdoor un...

Страница 21: ...ing spots on the shield wire noise may enter into the shield wire because the ground wire and shield wire form one circuit and the electric potential difference occurs due to the impedance difference among grounding spots In case of single spot grounding noise does not enter into the shield wire because the ground wire and shield wire do not form one circuit To avoid communication errors caused by...

Страница 22: ...dresses 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 Switching setting SW11 ones digit SW12 tens digit OFF ON 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 ...

Страница 23: ...ipe 6 35A 1 4 Stop valve 4 way valve Service port check High pressure protect switch Outdoor heat exchanger Thermistor TH3 Thermistor TH6 Distributor Muffler Thermistor TH4 Linear expansion valve Refrigerant flow in cooling Refrigerant flow in heating 50 Strainer 100 Strainer 100 Strainer 4 way valve solenoid coil Heating ON Cooling OFF PUZ A42NHA PUZ A42NHA BS Service port check Accumulator Compr...

Страница 24: ...eck Accumulator Compressor Refrigerant GAS pipe 12 7A 1 2 Refrigerant LIQUID pipe 6 35A 1 4 Stop valve High pressure protect switch Thermistor TH4 Linear expansion valve Refrigerant flow in cooling Stop valve with service port 50 Strainer 100 Strainer 100 Strainer Service port check Accumulator Compressor Refrigerant GAS pipe 15 88A 5 8 Refrigerant LIQUID pipe 9 52A 3 8 Service port check High pre...

Страница 25: ...t the refrigerant when moving the indoor unit or the outdoor unit 1Turn on the power supply circuit breaker wWhen power is supplied make sure that CENTRALLY CONTROLLED is not displayed on the remote controller If CENTRALLY CONTROLLED is displayed the refrigerant collecting pump down cannot be completed normally 2After the liquid stop valve is closed set the SWP switch on the control board of the o...

Страница 26: ...ice 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 11 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...

Страница 27: ...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 supply 3 Press OPERAT...

Страница 28: ...tus of remote controller display 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 ...

Страница 29: ...error 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 3 seconds The display content will change as shown below 2 Set the unit number or refrigerant address you want to diagnose F Press the TEMP...

Страница 30: ...e display content will 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 blinks The remote controller s transmitting receiv ing circuit is defe...

Страница 31: ...tdoor unit installation manual If an air conditioner error occurs the indoor unit s sensor emits an intermit tent buzzer sound the operation lamp blinks 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 11 3 4 Malfunction diagnosis method by wireless remote controller In case of trouble d...

Страница 32: ...s OPERATION INDICATOR lamp blinks Check code Number of times Wireless remote controller Wired remote controller Errors detected by unit other than indoor unit outdoor unit etc Symptom Remark 1 Indoor outdoor unit communication error 2 Transmitting error Outdoor unit 3 Open short of outdoor unit thermistors 4 Compressor overcurrent interruption When compressor locked 5 Abnormal high discharging tem...

Страница 33: ...3 Check connection of the connector CNDC on the outdoor controller circuit board Check connection of the connector LD1 and LD2 for A12 A24N and CNDC for A30 A36N on the outdoor power circuit board Refer to 11 9 4 Check connection of reactor DCL or ACL A12 A24N 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 A30 ...

Страница 34: ...1 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 or indoor power board if abnormality occurs again 7 Check if refrigerant addresses SW1 3 to SW1 6 on outdoor controller circuit board are overlapping in case of group control system 8 C...

Страница 35: ...Judgment and action for F5 7 Check linear expansion valve Refer to 11 6 8 Replace outdoor controller board Case U2 1102 Abnormal high discharging temperature 1 Abnormal if discharge temperature thermistor TH4 exceeds 125 257 F or 110 230 F continuously for 5 minutes Abnormal if condenser evaporator temperature thermistor TH5 exceeds 40 104 F during defrosting and discharge temperature thermistor T...

Страница 36: ...nector TH4 on the outdoor controller circuit board Check breaking of the lead wire for thermistor TH4 Refer to 11 9 2 Check resistance value of thermistor TH4 or temperature by microcomputer Thermistor TH4 Refer to 11 6 SW2 on A Control Service Tool Refer to 11 10 3 Replace outdoor controller board U4 TH3 5105 TH6 5107 TH7 5106 TH8 5110 Open short of outdoor unit thermistors TH3 TH6 TH7 and TH8 Ab...

Страница 37: ...or 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 Abnormal power synchronous zero cross signal PFC error overcurrent when the current peak of input current increase A12 18 24N 47A peak 1 Decrease of power supply voltage 2 Disconnection of compressor wiring 3 Defective 52C 4 Disconnection or loose connec tion of CN52C A12 18 ...

Страница 38: ...indoor unit of refrigerant address 0 for 3 minutes Error code E0 2 Abnormal if sub remote controller could not receive for any signal for 2 minutes Error code E0 1 Abnormal if indoor controller board can not receive any data normally from remote controller board or from other indoor controller board for 3 minutes Error code E4 2 Indoor controller board cannot receive any signal from remote control...

Страница 39: ...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 ...

Страница 40: ...e con troller is not connected to terminal block for central control TB7 of outdoor unit 2 Check if transmission wire 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 waveform or noise on transmission wi...

Страница 41: ...onnection 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 Turn off the power supply of outdoor unit and indoor unit and FRESH MASTER or LOSS NAY at the same time for 2 minutes or more and turn the power on again If malfunction was accidental the unit returns to normal 2 Ch...

Страница 42: ...ly of same refrigerant sys tem with LOSSNAY is turn off or within 2 minutes of restart abnormality is detected 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 ex...

Страница 43: ...on indoor controller board 1 When LED3 is not blinking Check indoor outdoor connecting wire for miswiring 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 11 10 Check protection device connector 63L and 63H for contact failure Refer to 11 9 Error Code Meaning of error...

Страница 44: ...ff 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 number settings...

Страница 45: ...osis 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 m...

Страница 46: ...ing 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 Indoor outdoor connecting wire...

Страница 47: ...d 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 power circuit board Defecti...

Страница 48: ...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...

Страница 49: ...ler twice to clear FILTER from the display See the operation manual that came with the product for how to clean the filters 3 STANDBY is displayed on the screen 3 This is displayed when the unit starts HEAT operation when the thermostat puts the compressor in operation mode or when the outdoor unit ends DEFROST operation and returns to HEAT operation The display will automatically disappear around...

Страница 50: ...the outdoor unit is controlling the airflow amount in order to keep the optimum operating condition 5 A sound similar to water flowing is heard from the unit 5 This is not a malfunction This is the sound which is heard when the refrigerant is flowing inside the indoor unit 2 The fan speed doesn t match the setting of the remote controller in HEAT operation The up down vane will be automatically se...

Страница 51: ... 3 The airflow direction doesn t change Up down vane left right louver 3 1 Check if the vane is set to a fixed position Check if the vane motor connector is removed 2 Check if the air conditioner has a function for switching the air direction 3 If the air conditioner doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed S...

Страница 52: ...ater drips down Heating water drips down from the heat exchanger Use 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 uni...

Страница 53: ...A For A24 42 Normal Abnormal Open or short A18 36 A42 Open or short Disconnect the connector then measure the resistance with a tester Winding temperature 20 68 F Measure the resistance between the terminals with a tester Ambient temperature 20 68 F Normal 1450 150 Abnormal Open or short Solenoid valve coil Bypass valve SV For A24 36 only Measure the resistance between the terminals with a tester ...

Страница 54: ...ctor CNF1 2 Fuse check Check the fuse F5 on outdoor controller board Power supply check Remove the connector CNF1 2 Measure the voltage in the indoor controller circuit board TEST POINT 1 VDC between 1 and 4 of the fan connector VDC DC250 330V TEST POINT 2 VCC between 5 and 4 of the fan connector VCC DC15V Wiring recovery Replace outdoor controller board Replace the fan motor Replace outdoor contr...

Страница 55: ... 250k 30 86 F 160k 40 104 F 104k 50 122 F 70k 60 140 F 48k 70 158 F 34k 80 176 F 24k 90 194 F 17 5k 100 212 F 13 0k 110 230 F 9 8k High temperature thermistor Thermistor Discharge TH4 0 10 20 30 40 50 20 10 0 10 20 30 40 50 4 14 32 50 68 86 104122 F Temperature Resistance k 500 400 300 200 100 0 25 50 75 100 120 77 122 167 212 248 F Temperature Resistance k 0 32 F 180k 25 77 F 50k 50 122 F 17k 70 ...

Страница 56: ... sound can be heard than normal situation No sound 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 Brown Blue Orange Yellow White 3 4 5 6 Connector LEV A DC12V Outdoor controller...

Страница 57: ... sound can be heard than normal situation No sound is heard when the pulse number moves from B to A in case coil is burn out or motor is locked by open phase Noise can be detected by placing the ear against the screw dri ver handle while putting the screw driver to the linear expansion valve LEV M 1 6 4 4 3 2 1 1 Gray Orange Red Yellow Black 3 4 5 6 Connector LEV A DC12V Outdoor controller board D...

Страница 58: ...irmly 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 wounded by lead wire If the stopper is not ...

Страница 59: ...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 wounded by lead wire If the stopper is not fir...

Страница 60: ... 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 more ...

Страница 61: ...122 F 22 72 F 5 41 F 5 41 F 7 45 F 5 30degC 54degF 5degC 9degF w1 w1 w1 w1 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 for eac...

Страница 62: ...tion 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 VCC TEST POINT 2 voltage between pins of C6B DC ...

Страница 63: ... output Connect to the 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 208 230V AC Connect to the outdoor controller circuit board CNAC EI Connect to the earth LI NI Voltage of 208 230V AC is input Connect to the terminal block TB1 ...

Страница 64: ...output Connect 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 208 230V AC Connect to the outdoor controller circuit board CNAC EI Connect to the earth LI NI Voltage of 208 230V AC is input Connect to the terminal block TB1 ...

Страница 65: ...s input Connect to the terminal block TB1 CN5 Primary current Connect to the outdoor power circuit board CN5 LO NO Voltage of 208 230V AC is output Connect to the outdoor power circuit board TABS TABT Outdoor noise filter circuit board PUZ A30 36 42NHA PUZ A30 36 42NHA BS PUY A30 36 42NHA PUY A42NHA BS PUY A30 36NHA1 PUY A30 36NHA1 BS ...

Страница 66: ...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 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 Conn...

Страница 67: ...CNDC 280 380V DC 1 3 Connect to the outdoor controller circuit board TABS TABT Connect to the outdoor noise filter circuit board Voltage among phases 208 230V 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...

Страница 68: ...1 is changed from OFF to ON there is no problem if DIP SW1 1 is left ON or changed to OFF again This depends on the service conditions 11 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 contr...

Страница 69: ...nal signal input PAC SC36NA and insulate the tip of the brown lead wire It is possible to set it to the following power consumption compared with ratings by setting the SW7 1 2 69 2 Function of connectors and switches CN31 Types Connector Switch Function Effective timing Connector SW6 SW10 SW6 1 SW6 2 SW6 3 SW6 4 SW6 5 SW6 6 SW10 1 SW10 2 Start Short Open Action by open short operation Model selec...

Страница 70: ...g 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 W1 Error code displayed on...

Страница 71: ...outdoor thermistors Abnormality of heatsink 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 converse connection of compressor wiring 2Measure resistance value among terminals on compressor using a tester 3Check the continuity of...

Страница 72: ...splayed while error is being postponed 3 When the display blinks Inspection code is displayed when compressor stops due to the work of protection devices Display 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 Ind...

Страница 73: ...When it is 100 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 ...

Страница 74: ...ory 2 Alternate display of error unit number and code 37 327 3 164 When the temperature is 100 F or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 F 0 5 secs 0 5secs 2 secs F 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 ru...

Страница 75: ... 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 38 190 38 190 39 88 When the temperature is 0 F or less and temperature are displayed ...

Страница 76: ...C 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 SW2 setting 1 ON 2 3 4 5 6 Display detail Explanation for display Unit F 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Indoor setting temperature 62 86 Outdoor pipe temperature Cond Eva TH6 38 190 Outdoor heatsink tempera...

Страница 77: ...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 ...

Страница 78: ... or less and temperature are displayed by turns Example When 15 F 0 5 secs 0 5secs 2 secs Outdoor pipe temperature Cond Eva TH6 on error occurring 38 190 38 190 39 88 C When the temperature is 0 F or less and temperature are displayed by turns Example When 15 F 0 5 secs 0 5secs 2 secs Outdoor outside temperature TH7 on error occurring 38 190 38 190 39 88 C When the temperature is 0 F or less and t...

Страница 79: ...5 secs 0 5secs 2 secs 50 1 1 ON 2 3 4 5 6 Discharge superheat on error occurring SHd 0 327 Cooling TH4 TH6 Heating TH4 TH5 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 degF Minute 15 1 15 4 1 ON 2 3 4 5 6 Normal Overvoltage error Undervoltage error Input current sensor error L1 or L2 phase open error Abnormal power synchronous signal PFC error A12 18 24NHA Overvoltage Undervoltage Overcurrent PFC ACTM error Unde...

Страница 80: ... 1 4 8 2 The tens digit The ones digit In this digit the total number of activated control is displayed Preventive control for excessive temperature rise of discharge temperature Preventive control for excessive temperature rise of condensing temperature Frosting preventing control Preventive control for excessive temperature rise of heatsink Example The following controls are activated Primary cu...

Страница 81: ...onditioner stopped skip to step 4 Fixed Hz operation The operating frequency can be fixed to stabilize operation of inverter model If the air conditioner is currently stopped start it by this operation 2 Press the MODE button to select the desired operation mode Display A 3 Press the FILTER button to confirm the setting Display D Waiting for stabilization HEAT STABLE MODE STABLE MODE CANCEL COOL S...

Страница 82: ...xchanger temperature Comp discharge temperature Outdoor ambient temperature INDOOR UNIT INLET TEMP INDOOR UNIT H EXC TEMP INDOOR UNIT FILTER USE H Indoor room temperature Heat exchanger temperature Filter operating time 12 340 hours Display C Waiting for response Flashing After approx 10 seconds 1 1 Refrigerant address 00 Twin Refrigerant address 00 Outdoor unit Indoor unit 02 Indoor unit 01 Outdo...

Страница 83: ...5 Discharge temperature 8 Indoor heat exchanger temperature 8 Indoor heat exchanger temperature 7 Indoor intake air temperature Cool Classification Item Result Inspection Temperature difference Heat Inspection Temperature difference Stable Unstable F F Stable Unstable F F Fixed Hz operation may not be possible under the following tempera ture ranges A In cool mode outdoor intake air temperature is...

Страница 84: ... 3 1 2 3 1 2 1 2 1 2 1 2 1 2 01 02 03 04 05 15 16 17 The setting is applied to all the units in the same refrigerant system 13 1 UNIT FUNCTION SETTING BY THE REMOTE CONTROLLER Each function can be set according to necessity using the remote controller The setting of function for each unit can only be done by the remote controller Select function available from the table 1 1 Functions available whe...

Страница 85: ... the Keeping fan speed set by remote controller 27 1 cooling thermostat is OFF Stop 2 Detection of abnormality of Detect 28 1 the pipe temperature P8 Neglect 2 PLA BA PLA AA Not available Swing Available Wave air flow Available Temperature correction Valid Not available Temperature correction Invalid PLA BA PLA BA 2 Functions available when setting the unit number to 01 03 or AL 07 in case of wire...

Страница 86: ...setting Press E Specified indoor unit FAN operation Change refrigerant address or unit No 2 Switch to function setting mode Press A and B at the same time with stop the remote controller 13 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...

Страница 87: ...and blinks in the unit number display area and the refrigerant address display area also blinks there are no units that corre spond to the selected unit number In this case the refrigerant address and unit number may be incorrect so repeat steps 2 and 3 to set the correct ones When grouping different refrigerant systems if an indoor unit other than the one to which the refrigerant address has been...

Страница 88: ...peated 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 ping sound may be heard Reenter the setting number 6 Repeat steps 4 and 5 to make an additional setting without changing unit number 7 Re...

Страница 89: ... automatic mode is displayed when the operation mode is selected 2 OFF The automatic mode is not displayed when the operation mode is selected 4 3 Mode selection setting 1 Remote controller main sub setting To switch the setting press the ON OFF button 1 Main The controller will be the main controller 2 Sub The controller will be the sub controller 2 Use of clock setting To switch the setting pres...

Страница 90: ...ayed 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 controller Initial setting value The remote controller will be the sub controller The clock...

Страница 91: ...nks 2 Press the button F blinks 3 Press the button C blinks 4 Press the set button with something sharp at the end MODEL SELECT is lighted for three seconds then turned off AUTO START ON OFF TEMP FAN VANE TEST RUN AUTO STOP AUTO START h min LOUVER MODE CHECK RESET SET CLOCK MODEL SELECT NOT AVAILABLE SWING CHECK FAN TEST RUN F C AMPM STOP STARTAMPM COOL DRY AUTO FAN HEAT 1 4 1 4 2 2 3 3 ...

Страница 92: ...creen 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 updated automatically even if the data changes To display the upd...

Страница 93: ...ake 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 Indoor unit Liquid pipe temperature...

Страница 94: ... unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 255 Refer to14 2 1 DetailContentsinRequestCode Refer to14 2 1 DetailContentsinRequestCode Refer to14 2 1 DetailContentsinRequestCode Refer to14 2 1 DetailContentsinRequestCode 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Displ...

Страница 95: ...ory 2 second to last Error 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...

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

Страница 97: ... area A B 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 o...

Страница 98: ...y 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 ph...

Страница 99: ...ng display Request code 70 Data display Capacity 10 18 9 12 11 24 14 30 20 36 25 42 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 phase Heat p...

Страница 100: ... 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 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...

Страница 101: ...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 10 42 01 11 02 12 03 13 04 14 05 15 06 12 16 07 17 08 18 09 18 19 0A 1A 0b 24 1b 0C 1C 0d 30 1d 0E 1E 0F 36 1F Display Pair No setting state 00 No 0 01 No 1 J41 disconnected 02 No 2 J42...

Страница 102: ... photo 2 5 Remove the back panel fixing screws 4 10 4 from the right and 3 from the rear side and detach the back panel 2 Removing the fan motor 1 Remove the top panel See photo 1 2 Remove the front panel See photo 1 3 Remove 1 nut M6 left screw and detach the propeller 4 Disconnect the connector CNF1 on the controller circuit board in the electrical parts box 5 Loosen the clamp for the lead wire ...

Страница 103: ...No 5 to remove the thermistor Outdoor TH7 3 Removing the electrical parts box 1 Remove the service panel See photo 1 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 Dischar...

Страница 104: ... See photo 5 6 Pull 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 1 Remove the service panel See photo 1 2 Remove the top panel See photo 1 3 Remove the front panel See photo 1 4 Remove the conduit cover a...

Страница 105: ...t side panel Note 3 When installing the four way valve cover it with a wet cloth to prevent it from heating 250 F or more then braze the pipes so that the inside of pipes are not oxidized Photo 10 Photo 11 10 Removing the high pressure switch 63H 1 Remove the service panel See photo 1 2 Remove the top panel See photo 1 3 Remove the front panel See photo 1 4 Remove the conduit cover and cord cover ...

Страница 106: ... compressor fixing nuts by using spanner or adjustable wrench 10 Remove the welded pipe of motor for compressor inlet and outlet Note Collect refrigerant without spreading it in the air Accumulator leg fixing screw Accumulator leg 13 Removing the accumulator 1 Remove the service panel See photo1 2 Remove the top panel See photo 1 3 Remove the front panel See photo 1 4 Remove the conduit cover and ...

Страница 107: ...ropeller Front panel Front panel fixing screws Nut Fan capacitor C1 Photo 2 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 thermistor Outdoor pipe thermistor Di...

Страница 108: ...he electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2 phase pipe Photo 6 6 Removing th...

Страница 109: ...fixing screw 5 10 in the rear of the unit and then remove the right side panel 6 Remove the solenoid valve coil Four way valve See photo 7 7 Collect the refrigerant 8 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 wit...

Страница 110: ...to the rear of the electrical parts box Photo 9 Reactor fixing screw 11 Removing the high pressure switch 63H 1 Remove the service panel See figure 1 2 Remove the top panel See figure 1 3 Remove 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 re...

Страница 111: ...of motor for compressor inlet and outlet and then remove the compressor Note Collect refrigerant without spreading it in the air 14 Removing the accumulator 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 p...

Страница 112: ...m terminal block 4 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 Outdoor high pressure switch low pressure switch solenoid valve coil Four way valve Then remove a screw 4 8 from the valve bed to remove the lead wire Pull out the disconnected wire from the ele...

Страница 113: ...the electrical parts box 4 Loosen the clamp for the lead wire in the rear of the electrical parts box See photo 4 5 Pull out the thermistor Outdoor TH7 from the sensor holder Note In case of replacing thermistor Outdoor TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refer to No 4 above to remove thermistor Outdoor 2 phase pipe Photo 6 Clamp Contro...

Страница 114: ...ct the refrigerant 7 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 250 F or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing linear expansi...

Страница 115: ...re 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 low pressure switch Note 1 Collect refrigerant without spreading it in the air Note 2 The welded part ca...

Страница 116: ...nd then remove the compressor Note Collect refrigerant without spreading it in the air 13 Removing the accumulator 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...

Страница 117: ... 1 1 18 1 1 1 1 1 1 1 1 1 1 1 R01 E10 691 R01 E02 668 R01 E16 686 T7W E00 617 T7W E03 667 R01 E00 518 T7W E00 649 T7W E08 682 R01 E23 130 R01 E21 130 R01 E00 684 R01 E01 684 T7W E01 641 GRILLE FRONT PANEL BASE ASSY CONDUIT PLATE SERVICE PANEL SERVICE PANEL FOR CHARGE PLUG CORD COVER BACK PANEL MOTOR SUPPORT MOTOR SUPPORT CONDENSER NET CONDENSER NET TOP PANEL 1 2 3 5 6 8 9 10 11 7 4 16 PARTS LIST n...

Страница 118: ... 1 1 1 1 R01 E01 662 T7W E02 691 T7W E01 667 R01 E17 686 T7W E07 130 R01 30L 655 R01 E12 658 R01 E11 658 R01 E03 661 T7W E07 668 R01 E00 698 R01 E04 641 R01 E00 655 T7W E01 617 SIDE PANEL L FAN GRILLE FRONT PANEL BASE ASSY MOTOR SUPPORT HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL REAR GUARD TOP PANEL HANDLE CONDUIT PLATE 1 3 6 8 9 10 2 4 5 7 6 12 13 11 Part number that is ...

Страница 119: ...T HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL REAR GUARD TOP PANEL HANDLE CONDUIT PLATE Remarks Drawing No T7W E02 662 T7W E02 691 T7W E02 667 R01 E18 686 R01 E25 130 R01 30L 655 R01 E13 658 R01 E11 658 T7W E15 661 T7W E08 668 R01 E01 698 R01 E04 641 R01 E00 655 T7W E01 617 1 3 6 8 9 10 4 5 7 6 12 13 2 11 STRUCTURAL PARTS PUZ A42NHA PUY A42NHA Part number that is circled i...

Страница 120: ...120 FUNCTIONAL PARTS PUZ A18NHA PUY A12NHA PUY A18NHA 1 2 3 4 5 6 7 8 9 10 11 12 23 13 16 17 15 18 19 20 22 21 14 ...

Страница 121: ...T7W E14 242 T7W E25 716 T7W E34 315 R01 E06 259 T7W E11 346 T7W E19 313 T7W E35 408 T7W E28 408 T7W E04 467 R01 E65 202 FAN MOTOR PROPELLER FAN NUT THERMISTOR DISCHARGE COMPRESSOR STRAINER STOP VALVE GAS STOP VALVE LIQUID THERMISTOR OUTDOOR PIPE THERMISTOR OUTDOOR PIPE ACCUMULATOR EXPANSION VALVE LINEAR EXPANSION VALVE COIL CHARGE PLUG HIGH PRESSURE SWITCH THERMISTOR OUTDOOR2 PHASEPIPE OUTDOOR FOU...

Страница 122: ...122 FUNCTIONAL PARTS PUZ A24 30 36NHA PUY A24 30 36NHA 1 2 3 4 5 6 7 8 9 10 11 12 23 13 15 16 17 18 19 20 22 21 14 24 25 26 These figures show about PUZ A30 36NHA ...

Страница 123: ...TOR PROPELLER FAN NUT SOLENOID VALVE COIL FOUR WAYVALVE SOLENOID VALVE COIL BYPASS VALVE CHARGE PLUG BYPASS VALVE COMPRESSOR STOP VALVE BALL VALVE ACCUMULATOR STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL FOUR WAY VALVE THERMISTOR OUTDOOR2 PHASEPIPE OUTDOOR FAN CAPACITOR RESISTOR TERMINAL BLOCK REACTOR POWER CIRCUIT BOARD POWER CIRCUIT BOARD ACT MODULE NOISE FILTER CIRCUIT BOARD...

Страница 124: ...124 FUNCTIONAL PARTS PUZ A42NHA PUY A42NHA 12 3 5 6 10 2 9 1 7 8 11 13 14 15 16 17 19 20 21 22 23 24 25 26 27 28 4 1 18 ...

Страница 125: ... 315 R01 E65 202 T7W E01 233 T7W E14 346 R01 25T 209 R01 E66 202 T7W E09 254 FAN MOTOR PROPELLER FAN NUT HEAT EXCHANGER SOLENOID COIL FOUR WAY VALVE FOUR WAY VALVE MUFFLER THERMISTOR DISCHARGE STOP VALVE COMPRESSOR ACCUMULATOR BALL VALVE STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL HIGH PRESSURE SWITCH CHARGE PLUG THERMISTOR OUTDOOR2 PHASEPIPE OUTDOOR TERMINAL BLOCK 52C RELAY R...

Страница 126: ...126 FUNCTIONAL PARTS PUZ A18NHA PUZ A18NHA BS PUY A12NHA1 PUY A12NHA1 BS PUY A18NHA1 PUY A18NHA1 BS 1 2 3 4 5 6 7 8 9 10 11 12 23 13 16 17 15 18 19 20 22 21 14 17 RoHS PARTS LIST RoHS compliant ...

Страница 127: ...W E07 208 R01 E97 202 R01 E30 403 T7W E33 242 T7W E39 716 T7W E46 315 R01 E22 259 T7W E17 346 T7W E34 313 T7W E35 408 T7W E40 408 T7W E04 467 R01 E99 202 FAN MOTOR PROPELLER FAN NUT THERMISTOR DISCHARGE COMPRESSOR STRAINER STOP VALVE GAS STOP VALVE LIQUID THERMISTOR OUTDOOR PIPE THERMISTOR OUTDOOR PIPE ACCUMULATOR EXPANSION VALVE LINEAR EXPANSION VALVE COIL CHARGE PLUG HIGH PRESSURE SWITCH THERMIS...

Страница 128: ... FUNCTIONAL PARTS PUZ A24 30 36NHA PUZ A24 30 36NHA BS PUY A24 30 36NHA1 PUY A24 30 36NHA1 BS 1 2 3 4 5 6 7 8 9 10 11 12 23 13 15 16 17 18 19 20 22 21 14 24 25 26 These figures show about PUZ A30 36NHA BS ...

Страница 129: ...0 259 R01 N03 202 R01 N01 202 FAN MOTOR PROPELLER FAN NUT SOLENOID VALVE COIL FOUR WAYVALVE SOLENOID VALVE COIL BYPASS VALVE CHARGE PLUG BYPASS VALVE COMPRESSOR STOP VALVE BALL VALVE ACCUMULATOR STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL FOUR WAY VALVE THERMISTOR OUTDOOR2 PHASEPIPE OUTDOOR FAN CAPACITOR RESISTOR TERMINAL BLOCK REACTOR POWER CIRCUIT BOARD POWER CIRCUIT BOARD A...

Страница 130: ...130 FUNCTIONAL PARTS PUZ A42NHA PUZ A42NHA BS PUY A42NHA PUY A42NHA BS 12 3 5 6 10 2 9 1 7 8 11 13 14 15 16 17 19 20 21 22 23 24 25 26 27 28 4 1 18 ...

Страница 131: ...0 234 T7W E09 259 T7W E30 313 T7W E36 315 R01 E99 202 T7W E01 233 T7W E16 346 R01 E00 209 R01 H00 202 R01 E20 254 FAN MOTOR PROPELLER FAN NUT HEAT EXCHANGER SOLENOID COIL FOUR WAY VALVE FOUR WAY VALVE MUFFLER THERMISTOR DISCHARGE STOP VALVE COMPRESSOR ACCUMULATOR BALL VALVE STRAINER CHARGE PLUG EXPANSION VALVE LINEAR EXPANSION VALVE COIL HIGH PRESSURE SWITCH CHARGE PLUG THERMISTOR OUTDOOR2 PHASEPI...

Страница 132: ...UY A NHA1 BS 12 Remarks Drawing No 1 1 1 1 1 1 1 1 1 1 1 18 1 1 1 1 1 1 1 1 1 1 1 R01 E30 691 R01 E09 668 R01 E34 686 T7W E00 617 T7W E03 667 R01 E02 518 T7W E00 649 T7W E08 682 R01 E32 130 R01 E29 130 R01 E03 684 R01 E02 684 T7W E05 641 GRILLE FRONT PANEL BASE ASSY CONDUIT PLATE SERVICE PANEL SERVICE PANEL FOR CHARGE PLUG CORD COVER BACK PANEL MOTOR SUPPORT MOTOR SUPPORT CONDENSER NET CONDENSER N...

Страница 133: ...G G G G 1 1 1 1 1 2 1 1 1 1 1 1 1 1 R01 E16 662 T7W E03 691 T7W E05 667 R01 E33 686 T7W E07 130 R01 E01 655 R01 E12 658 R01 E11 658 R01 E31 661 T7W E07 668 R01 E06 698 R01 E14 641 R01 E02 655 T7W E01 617 SIDE PANEL L FAN GRILLE FRONT PANEL BASE ASSY MOTOR SUPPORT HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL REAR GUARD TOP PANEL HANDLE CONDUIT PLATE 1 3 6 8 9 10 2 4 5 7 6 12...

Страница 134: ...SUPPORT HANDLE COVER PANEL FRONT COVER PANEL REAR SIDE PANEL R SERVICE PANEL REAR GUARD TOP PANEL HANDLE CONDUIT PLATE Remarks Drawing No T7W E03 662 T7W E03 691 T7W E06 667 R01 E31 686 R01 E27 130 R01 E01 655 R01 E13 658 R01 E11 658 R01 E34 661 T7W E08 668 R01 E07 698 R01 E14 641 R01 E02 655 T7W E01 617 1 3 6 8 9 10 4 5 7 6 12 13 2 11 STRUCTURAL PARTS PUZ A42NHA PUZ A42NHA BS PUY A42NHA PUY A42NH...

Страница 135: ...135 ...

Страница 136: ...G CO LTD Distributed in Jun 2007 No OC367 REVISED EDITION C PDF 9 Distributed in Nov 2006 No OC367 REVISED EDITION B PDF 9 Distributed in Aug 2006 No OC367 REVISED EDITION A PDF 9 Distributed in Feb 2006 No OC367 PDF 10 Made in Japan New publication effective Jun 2007 Specifications subject to change without notice TM ...

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