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107

OPERATING PROCEDURE

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 (2 for front, 3 for rear/5 × 12) of the top

panel and remove it.

Figure 1

Top panel fixing screws

Top panel

Service panel

fixing screws

Service panel

Grille

fixing

screws

Fan grille

2. Removing the fan motor (MF1, MF2)

(1) Remove the service panel. (See Figure 1)

(2) Remove the top panel. (See Figure 1)

(3) Remove 10 fan grille fixing screws (5 × 12) to detach the

fan grille. (Top and bottom) (See Figure 1)

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

propeller. (Top and bottom) (See Photo 1)

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

cuit board in electrical parts box.

(6) Loosen 6 clamps on the separator and motor support, then

unbind the lead wires.

(7) Remove 8 fan motor fixing screws (5 × 20) to detach the

fan motor. (Top and bottom) (See Photo 2)

Fan motor fixing screws

Photo 3 (PUHZ-SP125, 140V)

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 and the

power supply wire from the terminal block.

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

controller circuit board.

• CNF1, CNF2 : Fan motor

• LEV-A : LEV

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

• Thermistor <Liquid> (TH3)

• Thermistor <Comp.Surface> (TH32)

• Thermistor <2-phase pipe, Ambient>,

• High pressure switch (63H)

• 4-way valve coil (21S4)

• Bypass valve (SV2)

• Crankcase heater (SV1/CH)

(6) Remove the terminal cover and disconnect the compressor

lead wire.

(7) Loosen 2 clamps on the separator and unbind the lead

wires.

(8) Remove 2 electrical parts box fixing screws (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.

Photo 1

Fan

motor

Fan motor fixing screws

Propeller

Front panel

Nut

Photo 2

Grille

fixing

screws

Slide

Controller circuit

board (C.B.)

Terminal block (TB1)

Electrical parts box

fixing screws

PUHZ-SP125VHA.UK PUHZ-SP140VHA.UK
PUHZ-SP125YHA.UK PUHZ-SP140YHA.UK

OCH566A

Содержание PUHZ-SP100VHA

Страница 1: ...66 Outdoor unit Model Name PUHZ SP100VHA PUHZ SP125VHA PUHZ SP140VHA PUHZ SP100YHA PUHZ SP125YHA PUHZ SP140YHA Service Ref PUHZ SP100VHA UK PUHZ SP125VHA UK PUHZ SP140VHA UK PUHZ SP100YHA UK PUHZ SP12...

Страница 2: ...ser before the work involving the electric parts Precautions during the repair service Do not perform the work involving the electric parts with wet hands Do not pour water into the electric parts Do...

Страница 3: ...arging cylinder is used the composition of refrigera nt will change and the efficiency will be lowered Flare tool Electronic refrigerant charging scale Vacuum pump adaptor Size adjustment gauge Gauge...

Страница 4: ...inder Check that cylinder for R410A on the market is a syphon type Charging should be performed with the cylinder of syphon stood vertically Refrigerant is charged from liquid phase No Tool name Speci...

Страница 5: ...0 27 0 36 0 Nominal dimensions inch Flare nut dimensions Outside diameter Dimension B mm R410A 36 0mm for indoor unit of SP100 125 and 140 R22 mm Gauge manifold Charge hose Gas leak detector Refrigera...

Страница 6: ...erant level regardless of the length 20 or 30 m maximum and 5 m minimum of piping The additional refrigerant charging work during installation which often caused problems heretofore is completely elim...

Страница 7: ...p surface thermo Single 50Hz 230V OUTDOOR UNIT REFRIGERANT PIPING 28 A A kW W kW K min CFM dB dB mm in mm in mm in kg lb kg lb L mm in mm in Power supply phase cycle voltage Running current Max curren...

Страница 8: ...ce thermo 3phase 50Hz 400V OUTDOOR UNIT REFRIGERANT PIPING 13 A A kW W kW K min CFM dB dB mm in mm in mm in kg lb kg lb L mm in mm in Power supply phase cycle voltage Running current Max current Exter...

Страница 9: ...PUHZ SP125YHA UK PUHZ SP140VHA UK PUHZ SP140YHA UK U V U W W V Service Ref Compressor model Winding Resistance at 20 C TNB306FPGMT 0 53 0 53 0 53 TNB220FLHMT 0 88 0 88 0 88 PUHZ SP100VHA UK PUHZ SP125...

Страница 10: ...0 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 bar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20...

Страница 11: ...A PLA SP125BA PLA SP140BA Cooling 9 400 3 12 Heating 11 200 3 49 Cooling 12 300 4 08 Heating 13 500 3 96 Cooling 13 000 4 98 Heating 15 500 4 83 13 36 4 78 2 90 29 6 0 92 9 4 72 7 48 6 10 1 5 27 19 14...

Страница 12: ...ow diagram Service space 30 Please secure the unit firmly with 4 foundation M10 bolts Bolts and washers must be purchased locally Foundation bolt height Handle for moving Side Air Intake Front piping...

Страница 13: ...1 FREE SPACE Around the unit 2 SERVICE SPACE 3 FOUNDATION BOLTS 4 PIPING WIRING DIRECTIONS Piping and wiring connections can be made from 4 directions front right rear and below 30 FOUNDATION 150 500...

Страница 14: ...ion Fuse T6 3AL250V X51 X52 X54 X55 Relay SS Connector Connection for Option LEV A Power Module Connection Terminal Reactor Connection Terminal Ground DCL1 DCL2 IGBT EI E2 E3 E4 P B Power Circuit Boar...

Страница 15: ...on Inspection Indicators DCL Reactor SW1 Switch Manual Defrost Defect History Record Reset Refrigerant Address F1 F2 F3 F4 Fuse T6 3AL250V ACL4 Reactor X51 X52 X54 X55 Relay TB7 Terminal Block M NET c...

Страница 16: ...nnection for Option CNDM Connector Connection for Option FUSE T6 3AL250V F1 F2 F3 F4 Connection Terminal TB P2 Connection Terminal TB C1 Connection Terminal TB N1 52C Relay X52A X51 X52 X54 X55 Relay...

Страница 17: ...code 2 Power supply cords and Indoor Outdoor unit connecting cords shall not be lighter than polychloroprene sheathed flexible cord Design 60245 IEC 57 3 Install an earth longer than other cables Warn...

Страница 18: ...always necessarily the voltage to ground Notes 1 Wiring size must comply with the applicable local and national code 2 Power supply cords and indoor unit outdoor unit connecting cords shall not be li...

Страница 19: ...ote The optional indoor power supply terminal kit is necessary 1 In case that cable with stripe of yellow and green is available 2 In case that the flat cables are connected as this picture they can b...

Страница 20: ...an 2 grounding spots on the shield wire noise may enter into the shield wire because the earth wire and shield wire form 1 circuit and the electric potential difference occurs due to the impedance dif...

Страница 21: ...es 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 Switch setting SW11 1s digit SW12 10...

Страница 22: ...or Bypass valve Outdoor heat exchanger Thermistor TH3 Thermistor TH6 Distributor Service port check Service port check Accumulator Compressor Refrigerant GAS pipe 15 88mm 5 8 Refrigerant LIQUID pipe 9...

Страница 23: ...4 minutes after the power circuit breaker is turned on 5 Perform the refrigerant collecting operation cooling test run Push the pump down SWP switch push button type on the control board of the outdoo...

Страница 24: ...ality concerning of parts such as electrical component controller board remote controller etc 1Re check the abnormal symptom 2Conduct trouble shooting and ascertain the cause of the trouble according...

Страница 25: ...F2 F3 F4 Remain Vane Cool mode Check the cold air blow off Heat mode Check the heat blow off Press the F1 button to go through the operation modes in the order of Cool and Heat Check the auto vane wi...

Страница 26: ...the following screen will appear Check the error status stop the operation and consult your dealer Contact information dealer s phone number will appear if the information have been registered F1 F2 F...

Страница 27: ...r Unt dd mm yy Error history Cancel OK Delete error history Error history Check menu Error history deleted 2 Select Error history with the F1 or F2 button and press the button Select Check with the F1...

Страница 28: ...properly 7 Press the ON OFF button to stop the test run Note Point the remote controller towards the indoor unit receiver while following steps 2 to 7 It is not possible to run in FAN DRY or AUTO mode...

Страница 29: ...elf check with the F1 or F2 button and press the button 1 Select Service from the Main menu and press the button 3 Check code unit number attribute will appear will appear if no error history is avail...

Страница 30: ...l appear on the remote controller display if the correct voltage 8 5 12 VDC is not supplied to the remote con troller If this is the case check the remote controller wiring and indoor units OK No prob...

Страница 31: ...the indoor unit installation Check code 4 digits or check code 2 digits Error detection attribute Address 3 digits or unit address No 2 digits When there is no error history When opposite side does n...

Страница 32: ...te controller switching is necessary When the problem is other than the checked remote controller Error display 2 E3 6833 6832 flash Cannot send Error display 3 ERC and data error count are displayed...

Страница 33: ...mode is cancelled Procedure 1 Press the CHECK button twice 2 Press the TEMP buttons 3 Point the remote controller at the sensor to the indoor unit and press the HOUR button 4 Point the remote control...

Страница 34: ...ote 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...

Страница 35: ...ly terminal block TB1 b Connection of terminal on outdoor power circuit board Disconnection of connector LI or NI VHA Refer to 10 9 TEST POINT DIAGRAM 3 Check connection of the connector CNDC on the o...

Страница 36: ...nits Abnormal if the number cannot be checked automatically due to miswiring of indoor outdoor unit connecting wire and etc after power is turned on for 4 minutes 2 Abnormal if outdoor controller circ...

Страница 37: ...for F5 7 Check linear expansion valve Refer to 10 6 HOW TO CHECK THE PARTS 8 Replace outdoor controller board Case U2 1102 High discharging temperature 1 Abnormal if discharge temperature thermistor T...

Страница 38: ...H3 TH6 TH7 and TH8 Abnormal if open or short is detected during compressor operation Open detection of thermistors TH3 and TH6 is inoperative for 10 seconds to 10 minutes after compressor starting and...

Страница 39: ...tdoor power circuit board VHA 4 Replace outdoor power circuit board VHA Replace outdoor noise filter circuit board YHA 5 Check RS wiring YHA 6 Replace RS YHA 7 Check CB or CB1 CB2 wiring VHA SP125 140...

Страница 40: ...mbient temperature Note In the case of UL error the compressor may be damaged if the unit is restarted by remote controller To avoid the damage unit has the system that is not able to be restarted unl...

Страница 41: ...max 16units The number of connecting remote controller max 2units If the cause of trouble is not in 1 3 4 Diagnose remote controllers a When RC OK is displayed remote controllers have no problem Turn...

Страница 42: ...Defective communication circuit of indoor controller board 4 Noise has entered into indoor outdoor unit connecting wire 1 Check disconnection or looseness of indoor outdoor unit connecting wire of ind...

Страница 43: ...the controller that detected abnormality 1 Transmission processor could not transmit because short cycle voltage of noise and the like have entered into transmission wire continuously 2 Transmission q...

Страница 44: ...ector CN2M of outdoor unit 3 Defective transmitting receiving 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 indo...

Страница 45: ...system with LOSSNAY is turned off or within 2 min utes of restart abnormality is detected 3 Contact failure of transmis sion wire of indoor unit of LOSSNAY 4 Disconnection of transmission connector CN...

Страница 46: ...r 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 w...

Страница 47: ...ff 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 opera...

Страница 48: ...er turning on the main power Normal The start up diagnosis will be over in around 2 minutes Mis wiring of indoor outdoor connecting wire Breaking of indoor outdoor connecting wire S3 Defective indoor...

Страница 49: ...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 w...

Страница 50: ...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...

Страница 51: ...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...

Страница 52: ...wice 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 HEA...

Страница 53: ...tdoor 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 wh...

Страница 54: ...The airflow direction does not 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...

Страница 55: ...own HEAT water drips down from the heat exchanger Note Make use of optional parts Drain Socket and Drain pan if these water needs to be collected and drained out for once Water or moisture is expelled...

Страница 56: ...ion Valve LEV A 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 res...

Страница 57: ...2 Fuse check Check the fuse F5 on outdoor controller board Power supply check Remove the connector CNF1 2 Measure the voltage in the outdoor controller circuit board TEST POINT 1 VDC between 1 and 4 o...

Страница 58: ...17 k 2 B constant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465 k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heat Sink TH8 SP100YHA 20 250 k...

Страница 59: ...lve is locked 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 t...

Страница 60: ...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 to main body coil may be detached from the main b...

Страница 61: ...g operation for more than 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 o...

Страница 62: ...ation mode COOL 27 5 5 25 45 50 35 5 30 5 HEAT 20 5 45 50 22 5 5 5 5 30 5 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...

Страница 63: ...40 only Communication power supply D71 Voltage 24 V DC CNF1 CNF2 Connect to the fan motor 1 4 250 330 V DC 5 4 15 V DC 6 4 0 6 5 V DC 7 4 15 V DC When stopped 7 5 V DC When operated 0 15 V pulse CNDC...

Страница 64: ...door controller circuit board CNAC CNDC Connect to the outdoor controller circuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 400 V AC OUTPUT Connect to the outdoor power circuit board...

Страница 65: ...B1 GD1 Connect to the earth CNAC1 CNAC2 230 V AC Connect to the outdoor controller circuit board CNAC CNDC Connect to the outdoor controller circuit board CNDC CNL Connect to the ACL4 GD2 Connect to t...

Страница 66: ...C1 CNAC2 230 V AC Connect to the outdoor controller circuit board CNAC NI LI Voltage of 230 V AC is input Connect to the terminal block TB1 EI E4 Connect to the earth DCL1 DCL2 Connect to DCL P2 Conne...

Страница 67: ...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...

Страница 68: ...board TB U TB V TB W Connect to the compressor MC Voltage among phases 10 400 V AC TB L1 TB L2 TB L3 Connect to the outdoor noise filter circuit board LO1 LO2 LO3 400 V AC TB N1 Connect to the smooth...

Страница 69: ...After DIP SW1 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 10 10 FUNCTION OF SWITCHES CONNECTORS AND JUMPERS...

Страница 70: ...nd Red 1 and 3 of the Adaptor for external signal input PAC SC36NA and insulate the tip of the brown lead wire It is possible to set it to the following power consumption compared with ratings by sett...

Страница 71: ...ote controller transmitting error is detected by indoor unit Serial communication error Communication between outdoor controller board and outdoor power board Communication between outdoor controller...

Страница 72: ...ance value of outdoor thermistors Abnormality of heatsink temperature 1 Check if indoor outdoor units have a short cycle on their air ducts 2 Measure resistance value of outdoor thermistor TH8 1 Check...

Страница 73: ...isplayed 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 i...

Страница 74: ...igit tens digit and ones digit are displayed by turns Example When 42500 times 425 100 times 0 5 s 0 5 s 2 s 0 to 9999 When it is 100 hours or more hundreds digit tens digit and ones digit are display...

Страница 75: ...d ones digit are displayed by turns Example When 130 0 5 s 0 5 s 2 s A Code display Code display 0 to 20 When no error history 0 and are displayed by turns When no error history 0 and are displayed by...

Страница 76: ...hase 3 phase Display details 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...

Страница 77: ...04 ACTM IGBT error 20 24 Description Display 00 01 02 04 08 20 DC bus voltage 180 to 370 180 to 370 When it is 100V or more hundreds digit tens digit and ones digit are displayed by turns V 1 ON 2 3...

Страница 78: ...e display Blinking During postponement Lighting Cancellation of postponement 00 is displayed in case of no postponement Code display Error history 3 Oldest Alternate display of abnormal unit number an...

Страница 79: ...rature are displayed by turns Example When 15 C 0 5 s 0 5 s 2 s Outdoor 2 phase pipe temperature TH6 on error occurring 39 to 88 39 to 88 When the temperature is 0 C or less and temperature are displa...

Страница 80: ...and ones digit are displayed by turns Example When 415 minutes 0 5 s 0 5 s 2 s 50 1 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 1 ON 2 3 4 5 6 Minute 15 1 15 4 1 ON 2 3 4 5 6 Normal Overvoltage error Undervoltage...

Страница 81: ...EMOTE CONTROLLER Each function can be set as necessary using the remote controller The setting of function for each unit can only be done by the remote controller Select function available from the ta...

Страница 82: ...m set the unit number to 01 referring to 4 setting the indoor unit number of Operating Procedure When setting functions for a simultaneous Twin Triple indoor unit system set the unit number to 01 to 0...

Страница 83: ...ect Service to make the maintenance setting Maintenance password is required Note The initial maintenance password is 9999 Change the default password as necessary to prevent unauthorized access Have...

Страница 84: ...nge the setting number with the F3 or F4 button 1 Select Service from the Main menu and press the button Checking the indoor unit No When the button is pressed the target indoor unit will start fan op...

Страница 85: ...ribed in steps to and change the setting based on the entries in the Table 1 check field For the initial settings refer to the indoor unit installation manual of that mode also change 2 7 1 Set the re...

Страница 86: ...Mode No selection Select the mode No you want to set with the buttons Only themodes which can be set 6 and C B is selected Mode No display Mode No 02 Thermistor selection Select the setting contents o...

Страница 87: ...reless 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 n...

Страница 88: ...on turns the backlight on and it will stay lit for a certain period of time depending on the screen Backlit LCD This lamp lights up in green while the unit is in operation It blinks while the remote c...

Страница 89: ...ton Vane Louver Vent Lossnay High power Weekly timer Restriction Maintenance Initial setting On Off timer Auto Off timer Temp range Operation lock Manual vane angle Main Sub Timer Main display Contras...

Страница 90: ...ct information need to be registered in advance to be displayed Maintenance Auto descending panel Auto descending panel Optional parts Up Down you can do Manual vane angle Use to set the vane angle fo...

Страница 91: ...MP frequency A Hz Hr times Hr Ref address Cool Ref address Cool Ref address Cool Sub cool OU TH4 temp OU TH6 temp OU TH7 temp IU air temp IU HEX temp IU filter time Select Smooth maintenance with the...

Страница 92: ...and press the button Select Check with the F1 or F2 button and press the button 2 Set the Refrigerant address and Request code Select the item to be changed with the F1 or F2 button Select the require...

Страница 93: ...ed by thermostat Indoor unit Intake air temperature Unit No 1 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 2 Heat mode 4 deg correction Indoor unit Intake air temperature Unit...

Страница 94: ...r postponement history 1 latest Outdoor unit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 255 Refer to13 2 1 DetailContentsinRequestCode Refer to13 2...

Страница 95: ...essor 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 Outd...

Страница 96: ...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...

Страница 97: ...e 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 compresso...

Страница 98: ...1 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...

Страница 99: ...quest code 70 Data display Capacity 10 50 9 35 11 60 14 71 20 100 25 125 28 140 40 200 50 250 Outdoor unit Setting information Request code 71 Data display Setting information 1 Setting information 2...

Страница 100: ...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 Dat...

Страница 101: ...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 s...

Страница 102: ...n motor See Photo 2 Fan motor fixing screws Photo 3 PUHZ SP100V Photo 1 Fan motor MF1 Fan motor fixing screws Propeller Front panel Front panel fixing screws Nut Photo 2 Slide 3 Removing the electrica...

Страница 103: ...the thermistor Outdoor Ambient TH7 1 Remove the service panel See Figure 1 2 Remove the top panel See Figure 1 3 Disconnect the connector TH6 and TH7 red on the controller circuit board in the electri...

Страница 104: ...r board in the electrical parts box 7 Loosen the clamp on the separator and unbind the lead wires Removing the linear expansion valve coil 4 Remove the LEV coil by sliding the coil upward 5 Disconnect...

Страница 105: ...h Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the right side panel Note 3 When installing the high pressure switch cover it with...

Страница 106: ...fixing nut using a spanner or a adjustable wrench Note Recover refrigerant without spreading it in the air 13 Removing the accumulator 1 Remove the service panel See Figure 1 2 Remove the top panel Se...

Страница 107: ...ixing screws Photo 3 PUHZ SP125 140V 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 and...

Страница 108: ...op of the electrical parts box See Photo 5 5 Pull out the thermistor Ambient TH7 from the sensor holder Note When replacing thermistor Ambient TH7 replace it together with thermistor 2 phase pipe TH6...

Страница 109: ...de panel R fixing screws 5 12 in the rear of the unit and then remove the side panel R 8 Remove the 4 way valve coil Refer to procedure 7 9 Recover refrigerant 10 Remove the welded part of 4 way valve...

Страница 110: ...ight side panel Photo 8 High pressure switch Lead wire of high pressure switch LEV coil LEV A LEV Bypass valve coil SV Bypass valve coil fixing screw 4 way valve coil fixing screw 4 way valve 4 way va...

Страница 111: ...tor for compressor fixing nut using a spanner or an adjustable wrench Note Recover refrigerant without spreading it in the air 14 Removing the accumulator 1 Remove the service panel See Figure 1 2 Rem...

Страница 112: ...KYO 100 8310 JAPAN CCopyright 2014 MITSUBISHI ELECTRIC CORPORATION Distributed in Jan 2015 No OCH566 REVISED EDITION A Distributed in Jun 2014 No OCH566 Made in Japan New publication effective Jan 201...

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