Mitsubishi Electric PUHZ-RP200YKAR1 Скачать руководство пользователя страница 134

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8. Removing the 4-way valve

(1) Remove the service panel. (See Photo 2)

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

(3) Remove the front panel. (See Photo 1)

(4) Remove the back panel. (See Photo 1)

(5) Remove the electrical parts box. (See Photo 5)

(6) Remove the 4-way valve.

(7) Recover refrigerant.

(8) Remove the welded part of 4-way valve.

Note 1: Recover refrigerant without spreading it in the air.
Note 2: The welded part can be removed easily by remov-

ing the side panel (R).

Note 3: When installing the 4-way valve, cover it with

a wet cloth to prevent it from heating (120°C or
more), then braze the pipes so that the inside of
pipes are not oxidized.

Photo 10

Photo 11

9. Removing LEV

(1) Remove the service panel. (See Photo 2)

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

(3) Remove the front panel. (See Photo 1)

(4) Remove the back panel. (See Photo 1)

(5) Remove the electrical parts box. (See Photo 5)

(6) Remove the LEV coil.

(7) Recover refrigerant.

(8) Remove the welded part of LEV.

Note 1: Recover refrigerant without spreading it in the air.
Note 2: The welded part can be removed easily by remov-

ing the back panel.

Note 3: When installing the LEV, cover it with a wet cloth

to prevent it from heating (120°C or more), then
braze the pipes so that the inside of pipes are not
oxidized.

10. Removing the high pressure switch (63H)

(1) Remove the service panel. (See Photo 2)

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

(3) Remove the front panel. (See Photo 1)

(4) Remove the back panel. (See Photo 1)

(5) Remove the electrical parts box. (See Photo 5)

(6) Pull out the lead wire of high pressure switch.

(7)

Recover refrigerant.

(8) Remove the welded part of high pressure switch.

Note 1: Recover refrigerant without spreading it in the air.

Note 2: The welded part can be removed easily by

removing the back panel.

Note 3: When installing the high pressure switch, cover it

with a wet cloth to prevent it from heating (100°C
or more), then braze the pipes so that the inside
of pipes are not oxidized.

Reactor fixing screw

High pressure
switch (63H)

Reactor fixing screws

Reactor
(ACL)

Electrical

parts box

11. Removing the reactor (ACL)

(1) Remove the service panel. (See Photo 2)

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

(3) Remove the front panel. (See Photo 1)

(4) Remove the back panel. (See Photo 1)

(5)

Remove the reactor fixing screws (4 for rear, 4 × 20) and
remove the reactor.

* The reactor is attached to the rear of the electrical parts box.

4-way valve fixing screw

4-way valve

LEV coil (LEV B)

LEV coil (LEV A)

4-way valve (21S4)

LEV

Photo 12

Charge plug

OPERATING PROCEDURE

PHOTOS

OCH451D

Содержание PUHZ-RP200YKAR1

Страница 1: ...VHA4 Revision PUHZ RP60 71VHA4R4 and PUHZ RP100 125YKAR4 have been deleted in REVISED EDITION D Some descriptions have been modified PARTS CATALOG OCB451 CONTENTS 1 TECHNICAL CHANGE 2 2 REFERENCE MANUAL 2 3 SAFETY PRECAUTION 3 4 FEATURES 7 5 SPECIFICATIONS 8 6 DATA 11 7 OUTLINES AND DIMENSIONS 17 8 WIRING DIAGRAM 21 9 WIRING SPECIFICATIONS 27 10 REFRIGERANT SYSTEM DIAGRAM 32 11 TROUBLESHOOTING 36 ...

Страница 2: ...71 125HA PCA RP71 125HA 1 OC329 PKA RP35 50HAL PKA RP35 50HAL OCH453 OCB453 PKA RP60 71 100KAL PKA RP60 71 100KAL OCH452 OCB452 PSA RP71 100 125 140GA PSA RP71 100 125 140GA 1 OC332 PEAD RP35 50 60 71 100 125 140JA L PEAD RP35 50 60 71 100 125 140JA L R1 UK HWE08130 BWE08240 BWE09220 PEA RP200 250 400 500GA PEA RP200 250 400 500GA TH AF PEA RP200 250GA TH AFMF HWE0708A 2 REFERENCE MANUAL 1 TECHNIC...

Страница 3: ...efrigerant is charged from gas phase composition change may occur in refrigerant and the efficiency will be lowered Do not use refrigerant other than R410A If other refrigerant R22 etc is used chlorine in refrige rant 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...

Страница 4: ...xcept PUHZ RP200 250 can detect refrigerant leakage which may happen during a long period of use In order to enable the leakage detection settings are required to let the unit memo rize the initial conditions initial learning Refer to 14 4 INITIAL SETTINGS FOR REFRIGERANT LEAKAGE DETECTION FUNCTION 3 Service tools Use the below service tools as exclusive tools for R410A refrigerant No Tool name Sp...

Страница 5: ...or damage The existing pipe thickness meets specifica tions and the pipes are not damaged Check if the existing air conditioner can operate After operating the cooling system for about 30 minutes do a pump down work Disconnect the existing air conditioner from the pipes Attach the new air conditioner Test run The existing pipes cannot be reused Use new pipes If the existing air conditioner cannot ...

Страница 6: ... 27 0 36 0 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 the...

Страница 7: ...nstallation often causes problems It is completely eliminated by chargeless system This unique system improves the quality and reli ability of the work done It also helps to speed up the installation time REFRIGERANT LEAKAGE DETECTION FUNCTION except for RP200 250 PUHZ RP35 140 can detect refrigerant leakage which may happen during a long period of use PUHZ RP60VHA4 PUHZ RP71VHA4 PUHZ RP100VKA PUH...

Страница 8: ...1 Heating HP switch Comp surface thermo Discharge thermo Single 50 Hz 230 V OUTDOOR UNIT REFRIGERANT PIPING 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 Defro...

Страница 9: ...FRIGERANT PIPING 2 4 1 9 26 5 ANB33FDUMT ANB42FDWMT 50 52 116 256 119 262 110 3 880 120 4 230 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 Nois...

Страница 10: ...near Expansion Valve Hermetic Inverter Plate fin coil Propeller fan 2 0 150 0 150 140 4 940 Reverse cycle 1 050 41 5 16 330 30 13 1 3 16 1 338 52 11 16 R410A Flared Flared Brazing Max 30 m Max 120 m Heating Cooling 21 ANB66FFRMT ANB66FFZMT 5 5 Heating HP switch Comp surface thermo Discharge thermo 3 phase 50Hz 400V OUTDOOR UNIT REFRIGERANT PIPING ANB52FFQMT ANB52FFPMT 4 7 19 58 59 135 297 7 1 15 7...

Страница 11: ...RIGERANT PUHZ RP200 250 Amount of additional refrigerant charge kg 30 m and less 31 40 m and less 41 50 m and less 51 60 m and less 61 70 m and less 71 120 m and less 0 9 kg 1 8 kg 2 7 kg 3 6 kg 1 2 kg 2 4 kg 3 6 kg 4 8 kg Service Ref Permitted pipe length PUHZ RP200YKA PUHZ RP200YKAR1 PUHZ RP250YKA 120m or less Initial charge kg 7 1 7 7 No additional charge necessary The additional charge amount ...

Страница 12: ...0 10 63 125 250 500 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 PUHZ RP60VHA4 PUHZ RP71VHA4 COOLING MODE HEATING 47 SPL dB 48 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE ...

Страница 13: ...z NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ RP140VKA PUHZ RP140YKA COOLING MODE HEATING 50 SPL dB 52 LINE 90 80 70 60 50 40 30 20 10 63 125 250 500 1000 2000 4000 8000 APPROXIMATE THRESHOLD OF HEARING FOR CONTINUOUS NOISE OCTAVE BAND SOUND PRESSURE LEVEL dB 0 dB 0 0002 μbar BAND CENTER FREQUENCIES Hz NC 60 NC 50 NC 40 NC 30 NC 20 NC 70 PUHZ RP200YKA PUHZ RP200YKAR1 COOLING MODE HEATING 58 SPL dB 59...

Страница 14: ...B D B W B PLA RP35BA PLA RP50BA PLA RP60BA PLA RP35BA PLA RP50BA PLA RP60BA Cooling 3 600 1 07 Heating 4 100 1 12 Cooling 5 000 1 55 Heating 6 000 1 62 Cooling 6 000 1 60 Heating 7 000 1 82 4 66 2 70 1 01 70 46 15 5 27 19 15 8 35 24 0 84 0 28 4 93 2 69 0 74 71 41 2 5 20 15 34 6 7 6 6 72 2 91 0 99 73 49 11 5 27 19 15 3 35 24 0 81 0 24 7 08 2 76 0 67 77 44 1 5 20 15 37 8 7 6 6 95 2 64 0 96 67 44 11 ...

Страница 15: ...5 20 15 38 5 7 6 15 73 5 51 2 75 0 85 72 46 8 5 27 19 12 5 35 24 0 71 0 18 15 20 5 26 2 81 0 69 81 46 5 5 20 15 42 3 7 6 18 83 6 59 2 78 0 83 71 46 7 5 27 19 11 3 35 24 0 71 0 14 18 69 6 54 2 89 0 66 83 47 5 5 20 15 44 7 7 6 1 50 230 1 3 50 230 400 1 50 230 1 3 50 230 400 1 50 230 1 3 50 230 400 Phase Hz Voltage Current Outdoor unit Phase Hz Voltage Current Discharge pressure Suction pressure Disc...

Страница 16: ... Ref pipe length Intake air temperature Discharge air temperature Intake air temperature V A V A Mpa Mpa C C C m C C C C C Indoor unit D B W B D B D B W B W kW PUHZ RP250YKA PUHZ RP200YKA PUHZ RP200YKAR1 PLA RP125BA2 2 PLA RP100BA3 2 PLA RP125BA2 PLA RP100BA3 3 50 3 50 1 50 1 50 230 230 400 400 Heating Cooling Heating Cooling 11 26 2 67 0 61 77 44 3 7 5 20 15 41 5 7 6 10 24 2 96 0 88 72 49 11 7 5 ...

Страница 17: ...e panel 4 10 21 oval hole M10 foundation bolt 33 drain hole 33 drain hole 43 6 152 155 400 347 5 45 4 365 330 300 40 Handle for moving 600 10 300 150 287 5 Installation bolt pitch 500 800 69 3 5 4 3 183 90 155 23 32 5 18 1 FOUNDATION BOLTS 2 PIPING WIRING DIRECTION Piping and wiring connection can be made from the rear direction only 3 ATTACHING THE CONDUIT In order to attach the conduit it is nec...

Страница 18: ...ront trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 40 45 65 92 27 55 23 73 63 Rear piping hole Knockout Rear trunking hole Knockout Power supply wiring hole 2 27Knockout 9 2 Example of Notes Refrigerant GAS pipe connection FLARE 15 88 5 8 F Refrigerant LIQUID pipe connection FLARE 9 52 3 8 F 1 Indication of STOP VALVE connection location Over Over Less than Piping and wiring con...

Страница 19: ...ir Intake Rear Air Intake Handle for moving Handle for moving Power supply wiring hole ø27Knockout Front piping hole Knockout Front trunking hole Knockout Power supply wiring hole ø40Knockout 60 55 63 73 55 27 26 75 92 60 ø 9 2 Power supply wiring hole ø27Knockout Right piping hole Knockout Right trunking hole Knockout Power supply wiring hole ø40Knockout 75 50 26 27 63 73 29 92 55 92 60 ø 9 2 Pow...

Страница 20: ...e of Notes Piping Knockout Hole Details Power supply wiring hole ø27Knockout Front piping hole Knockout Front trunking hole Knockout Power supply wiring hole ø40Knockout 60 55 63 73 55 27 26 75 92 60 ø 9 2 Power supply wiring hole ø27Knockout Right piping hole Knockout Right trunking hole Knockout Power supply wiring hole ø40Knockout 75 50 26 27 63 73 29 92 55 92 60 ø 9 2 Power supply wiring hole ...

Страница 21: ...eck Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Ambient Thermistor Heat Sink TH32 Thermistor Comp surface Electronic Expansion Valve Reactor CY1 CY2 Reactor Power Circuit Board Connection Terminal U V W Phase P B TABU V W Noise Filter Circuit Board Connection Terminal L Phase Connection Terminal Ground N F LI LO Connection Terminal N Phase NI NO EI E2 E3 Controller Circuit Boar...

Страница 22: ...istor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Ambient Thermistor Heat Sink TH32 Thermistor Comp surface Electronic Expansion Valve Reactor CY1 CY2 Reactor Power Circuit Board Connection Terminal U V W Phase P B TABU V W Noise Filter Circuit Board Connection Terminal L Phase Connection Terminal Ground N F LI LO Connection Terminal N Phase NI NO EI E2 E3 Controller Circuit Board Switch ...

Страница 23: ... P B CNDC PNK BLK WHT U CY1 CY2 LI NI EI E4 E2 E3 U POWER SUPPLY N 230V 50Hz INDOOR UNIT TB1 L N S1 S2 S3 MC 3 1 3 1 2 RED CNAC1 WHT CNAC2 RED 1 3 1 3 CN52C RED 52C 52C BLU YLW GRN YLW ORN BRN RED WHT RED BLK BLK BLK BLK DCL1 DCL CB TB1 MC MF1 MF2 21S4 63H TH33 TH4 TH6 TH7 DCL Terminal Block Power Supply Indoor Outdoor Motor for Compressor Fan Motor Solenoid Valve Four Way Valve High Pressure Swit...

Страница 24: ...ction Setup SW7 Switch Test Operation SW4 LED1 LED2 LED Operatiion Inspection Indicators CNM CNMNT CNVMNT Connector A Control Service Inspection Kit Connector Connect to Optional M NET Adapter Board Connector Connect to Optional M NET Adapter Board CN3S Connector Connection for Option CNDM Connector Connection for Option Contact Input CN51 Connector Connection for Option X51 X52 Relay FUSE T6 3AL2...

Страница 25: ...id Valve Four Way Valve High Pressure Switch Thermistor Liquid SC U V W TB L1 L2 L3 Connection Terminal U V W Phase Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Ambient TH32 Thermistor Comp surface Fuse T15AL250V Electronic Expansion Valve Reactor ACL4 Reactor Connection Terminal L1 L2 L3 Power supply P B Power Circuit Board RS Rush Current Protect Resistor CB1 CB2 Main Smoothin...

Страница 26: ...stor Liquid SC U V W TB L1 L2 L3 Connection Terminal U V W Phase Thermistor Discharge Thermistor Outdoor 2 Phase Pipe Thermistor Ambient TH32 Thermistor Comp surface Fuse T15AL250V Electronic Expansion Valve Reactor ACL4 Reactor Connection Terminal L1 L2 L3 Power supply P B Power Circuit Board RS Rush Current Protect Resistor CB1 CB2 Main Smoothing Capacitor Connection Terminal Noise Filter Circui...

Страница 27: ...z 230 V 3N 3 ph 4 wires 50 Hz 400 V 3N 3 ph 4 wires 50 Hz 400 V Outdoor unit input capacity Main switch Breaker 1 16 A 25 A 32 A 40 A 16 A 32 A Wiring Wire No size mm 2 Outdoor unit power supply 3 Min 1 5 3 Min 2 5 3 Min 4 3 Min 6 5 Min 1 5 5 Min 4 Indoor unit Outdoor unit 2 3 1 5 Polar 3 1 5 Polar 3 1 5 Polar 3 1 5 Polar 3 1 5 Polar Cable length 50m 3 4 Polar Cable length 80m 3 6 Polar Indoor uni...

Страница 28: ...ower supply Earth leakage breaker Wiring circuit breaker or isolating switch Outdoor unit Indoor unit outdoor unit connecting cales Remote controller Indoor unit Option Indoor unit power supply Indoor unit earth If the indoor and outdoor units have separate power supplies refer to the table below If the optional indoor power supply terminal kit is used change the indoor unit electrical box wiring ...

Страница 29: ... Max 45m 3 1 5 polar 1 Min 1 5 Max 50m 3 2 5 polar 1 Min 2 5 Max 80m 3 2 5 polar and S3 separated 1 Min 2 5 Indoor unit Outdoor unit earth Wire No Size Be sure to connect the indoor outdoor connecting cables directly to the units no intermediate connections Intermediate connections can lead to communication errors if water enters the cables and causes insufficient insulation to ground or a poor el...

Страница 30: ...ts 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 difference among earthing spots In case of single spot earthing noise does not enter into the shield wire because the earth wire and shield wire do not form 1 circuit To avoid communication errors caused by noise make sur...

Страница 31: ...esses 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 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 4 5 6...

Страница 32: ...r Distributor Thermistor TH33 Ref check Linear expansion valve A Strainer 100 Muffler Stop valve with service port Distributor Thermistor TH7 Ambient Thermistor TH33 Ref check Heat exchanger Refrigerant LIQUID pipe connection 9 52 3 8 Stop valve with service port Strainer 100 Power receiver Linear expansion valve B Linear expansion valve A Strainer 100 Thermistor TH6 Outdoor 2 phase pipe Thermisto...

Страница 33: ...ling Refrigerant flow in heating PUHZ RP100VKA PUHZ RP125VKA PUHZ RP100YKA PUHZ RP125YKA PUHZ RP140VKA PUHZ RP140YKA Distributor Thermistor TH7 Ambient Thermistor TH33 Ref check Heat exchanger Refrigerant LIQUID pipe connection 9 52 3 8 Stop valve with service port Strainer 100 Power receiver Linear Heat interchange circuit expansion valve B Linear expansion valve C Linear expansion valve A Strain...

Страница 34: ...ssure Ball valve Refrigerant GAS pipe connection 25 4 1 Refrigerant flow in cooling Refrigerant flow in heating Distributor Heat exchanger Refrigerant LIQUID pipe 12 7 1 2 inch Stop valve with service port Strainer 100 Power receiver Linear expansion valve B Linear expansion valve A Strainer 100 High pressure switch 63H1 Thermistor TH4 Discharge Thermistor TH32 Comp surface Compressor Strainer 50 ...

Страница 35: ...ration 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 closed set the SWP switch on the control board of the outdoor unit to ON The compressor outdoor u...

Страница 36: ...ce There is 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 11 5 Troubleshooting of problems 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 ...

Страница 37: ...1 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 with the F1 F2 buttons Check the operation of the outdoor unit s fan Press the button to return to Test run operation Press the button When the test run is completed the Test run menu screen will appea...

Страница 38: ... 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 F3 F4 F1 F2 F3 F4 Error information Error reset Error reset Error code Error unit IU Ref address Unt Model name Serial No Reset Page Reset current error Error reset OK Cancel Main menu Reset error Res...

Страница 39: ... 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 or F2 button and press the button 3 Select Error history from the Check menu and press the button to view up to 16 error history records Four records are shown per page and the top record on the first pag...

Страница 40: ...d 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 DIRECTION button 5 Check the outdoor uni...

Страница 41: ...oller display turned off A and current operation mode are displayed 3 Press the button to activate mode then check whether cool air is blown out from the unit 4 Press the button to activate mode then check whether warm air is blown out from the unit 5 Press the button and check whether strong air is blown out from the unit 6 Press the button and check whether the auto vane operates properly 7 Pres...

Страница 42: ... the F1 or F2 button and press the button 1 Select Service from the Main menu and press the button 3 Error code unit number attribute will appear will appear if no error history is available 4 Resetting the error history Press the F4 button Reset on the screen that shows the error history A confirmation screen will appear asking if you want to delete the error history Press the F4 button OK to del...

Страница 43: ...ear 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 problems are found with the remote controller Check other parts for problems E3 6832 There is noise on the transmission line or the indoor unit or another remote controller is faulty Check the transmission lin...

Страница 44: ...latest check code can be recalled even if it is cancelled by the remote controller or power is turned off Check the error code history for each unit using the remote controller Switch to self diagnosis mode Press the CHECK button twice within 3 seconds The display content will change as shown below Set the unit number or refrigerant address you want to diagnose Press the TEMP buttons and to select...

Страница 45: ...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 The remo...

Страница 46: ...e is cancelled 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 11 3 6 Self diagnosis wireless remote controller In case of trouble during opera...

Страница 47: ...troller Wired remote controller Beeper sounds OPERATION INDICATOR lamp flashes Check code Number of times Wireless remote controller Wired remote controller 1 P1 Intake sensor error P9 Pipe TH5 sensor error 2 P2 Pipe TH2 sensor error 3 E6 E7 Indoor outdoor unit communication error 4 P4 Drain sensor error Float switch connector CN4F open 5 P5 Drain pump error PA Forced compressor stop due to water ...

Страница 48: ...b Connection of terminal on outdoor power circuit board 3 Check connection of the connector CNDC on the outdoor controller circuit board Check connection of the connector LD1 and LD2 for RP35 71V and CNDC for RP100 250 on the outdoor power circuit board V noise filter Y Refer to 11 9 4 Check connection of reactor DCL or ACL RP35 71V Check connection of LO and NO on the outdoor noise filter circuit...

Страница 49: ...normal 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 circuit board recognizes excessive number of indoor units 1 Check disconnection or looseness or polarity of indoor outdoor unit connecting wire of indoor and outdoor units 2 Check diameter and length of indoor o...

Страница 50: ...discharge superheat Cooling TH4 TH6 Heating TH4 TH5 increases All the conditions in A or B are detected simultaneously for 10 minutes continuously after 6 minutes past from compressor start up including the thermostat indication or recovery from defrosting Condition A Heating mode When discharge superheat is less than 70 deg When the TH6 temp is more than the value obtained by TH7 5 deg When the c...

Страница 51: ...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 of power supply 3 Correct the wiring U V...

Страница 52: ...place outdoor power circuit board RP100 140V RP100 250Y 6 Replace outdoor noise filter circuit board RP35 71V 7 Replace outdoor converter circuit board RP100 140Y 8 Check RS wiring RP100 250Y 9 Replace RS RP100 250Y 0 Check CB wiring RP100 140V Check CB1 CB2 wiring RP100 250Y 1 Check CN2 wiring RP100 140V 2 Replace outdoor controller circuit board RP100 140V 04 Input current sensor error L1 phase ...

Страница 53: ...h setting difference of outdoor controller circuit board 1 Open stop valve 2 Check facility of power supply 3 Correct the wiring U V W phase to compressor Refer to 11 9 Outdoor power circuit board 4 Check compressor Refer to 11 6 5 Replace outdoor power circuit board 6 Check the dip switch setting of outdoor controller circuit board Refer to Model Select in 1 Function of switches in 11 10 Ud 1504 ...

Страница 54: ...y any data 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 controller for 2 minutes Error code E4 1 Check disconnection or looseness of indoor unit or transmission wire of remote controller 2 Set one of the remote controllers main if there is no problem with the action above 3 Check wirin...

Страница 55: ...ERC 00 66 is displayed noise may be causing abnormality 1 2 remote controller are set as main When connecting 2 remote controllers 2 Remote controller is connected with 2 indoor units or more 3 Repetition of refrigerant address 4 Defective transmitting receiving circuit of remote controller 5 Defective transmitting receiving circuit of indoor controller board 6 Noise has entered into transmission ...

Страница 56: ...ure Cooling mode Detected as abnormal when the pipe tem perature is not in the cooling range 3 min utes 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 intake temperature TH1 3 deg TH Lower temp...

Страница 57: ...cause 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 is not possible because there was wiring mistake of terminal ...

Страница 58: ...mality 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 FRES...

Страница 59: ... of same refrig erant 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 CN2M of indoor unit 5 Defective transmitting receiv ing circuit of indoor unit or LOSSNAY 7 If displayed address or attribute is non existent 1 The unit of former address does not ...

Страница 60: ...ion error Check LED3 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 normal 4Check LED display on outdoor controller circuit board Refer to 11 10 Check protection device connector 63H for contact failure Refer to 11 9 Error Code Abno...

Страница 61: ...ly 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 operat ing 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 the ...

Страница 62: ... 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 63: ...board are blown Check the wiring of the outdoor unit Check if the wiring is bad Check if the fuses are blown The fuses on the outdoor controller circuit board will be blown when the indoor outdoor connecting wire short circuits Bad wiring of the outdoor controller board The fuses on the outdoor controller circuit board are blown Check if miswiring breaking or poor contact is causing this problem I...

Страница 64: ...door controller circuit board Replace the outdoor controller circuit board Normal Only the unit which has the refrigerant address 0 supplies power to the remote controller Set the refrigerant address to 0 In case of the multiple grouping system recheck the refrigerant address again Defective indoor power board Replace the indoor power board Defective outdoor power circuit board Replace the outdoor...

Страница 65: ...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 66: ...ear 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 W...

Страница 67: ...r 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...

Страница 68: ...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 doesn t have that function NOT AVAILABLE will be displayed on the remote controller when AIR DIRECTION or LOUVER button is pressed Something...

Страница 69: ...s down Heating water drips down from the heat exchanger Make use of optional parts Drain Socket and Drain pan if these water needs to be collected and drained out for once Water or moisture is expelled from the outdoor unit Batteries are being exhausted Replace them and press the reset button of remote controller The display of wireless remote controller gets dim or does not come on The indoor uni...

Страница 70: ... resistance between the terminals with a tester At the ambient temperature 20 Solenoid valve coil Four way valve 21S4 Motor for compressor MC Linear expansion valve LEV A LEV B For RP35 RP71 Linear expansion valve LEV A LEV B LEV C For RP100 RP250 Normal Abnormal Open or short Abnormal Open or short Refer to 6 2 RP35 71 Open or short Disconnect the connector then measure the resistance with a test...

Страница 71: ...NF1 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 VDC between 1 and 4 of the fan connector VDC DC250 330V TEST POINT VCC between 5 and 4 of the fan connector VCC DC15V Recover wiring Replace outdoor controller board Replace the fan motor Replace outdoor controller boar...

Страница 72: ...or R50 17k 2 B constant 4150 3 Rt 17exp 4150 273 t 323 1 1 Thermistor R120 7 465k 2 B constant 4057 2 Rt 7 465exp 4057 273 t 393 1 1 Medium temperature thermistor Thermistor Heatsink TH8 RP35 RP71V 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 TH32 0 10 20 30 40 50 20 10 0 10 20 30 4...

Страница 73: ...nd 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 2 1 Red RP35 RP71 Brown Blue Orange Yellow White 3 4 5 6 Connector LEV A LEV B DC12V Outdoor controller board Dri...

Страница 74: ...e 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 3 4 5 6 Connector LEV A LEV B LEV C DC12V Outdoor controller board Drive circ...

Страница 75: ...e Be sure to attach the stopper to pipe B B A How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to pipe B At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stop per is not fi...

Страница 76: ...wise pipes can bend due to pressure How to attach the coil Hold the lower part of the main body shown as A firmly so that the main body does not move and attach the coil by inserting it downward into the main body Then securely attach the coil stop per to main body At this time be careful that stress is not added to lead wire and main body is not wound by lead wire If the stopper is not firmly att...

Страница 77: ...nit 3 During emergency operation the air conditioner will continuously be operated by supplying power and stopping it It can not be turned on or off by remote control and temperature control is not possible 4 Do 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 5 Do not perform...

Страница 78: ...20 5 45 50 22 5 80 5 7 5 30deg 5deg 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 emergency operation with the values listed above 2 If one thermistor is set to open short the values for SHd ...

Страница 79: ...H32 Thermistor Comp surface Communication power supply D71 Voltage 24V DC CNF1 CNF2 Connect to the fan motor 1 4 250 330V DC 5 4 15V DC 6 4 0 6 5V DC 7 4 15V DC When stopped 7 5V DC When operated 0V 15V pulse CNDC 250 330V DC 1 3 Outdoor power circuit board for RP35 140V Noise filter circuit board for RP100 250Y CNS S1 S2 220 240V AC CNAC 2 to 4 Power supply for outdoor controller circuit board 22...

Страница 80: ...onnect to the outdoor controller circuit board CN52C CN5 Primary current Connect to the outdoor power circuit board CN5 CNAC1 CNAC2 220 240V AC Connect to the outdoor control ler circuit board CNAC EI Connect to the earth LI NI Voltage of 220 240V AC is input Connect to the terminal block TB1 E3 Connect to the earth E2 Connect to the earth OCH451D ...

Страница 81: ...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 220 240V AC Connect to the outdoor control ler circuit board CNAC EI E2 Connect to the earth E3 Connect to the earth OCH451D ...

Страница 82: ...230 240V Connect to the outdoor controller circuit board CNAC CNDC Connect to the outdoor controller circuit board CNDC LO1 LO2 LO3 POWER SUPPLY LO1 LO2 LO2 LO3 LO3 LO1 AC380 400 415V OUTPUT RP100 140 Connect to the outdoor converter circuit board and ACL L1 IN ACL2 ACL3 RP200 250 Connect to the outdoor power circuit board TB1 L1 L2 L3 CNCT Primary current Connect to the outdoor power circuit boar...

Страница 83: ...t actually printed on the board CN2 Connect to the outdoor controller circuit board CN2 1 5 Outdoor power circuit board Transmitting signal to the outdoor controller circuit board 0 5V DC 2 5 Zero cross signal 0 5V DC 3 4 Not used 6 5 16V DC 7 5 16V DC 1 2 6 7 5 LD1 LD2 280 380V DC Connect to the outdoor controller circuit board CNDC R S Connect to the ACL 220 240V AC U V W Connect to the compress...

Страница 84: ...to the compres sor MC Voltage among phases 10 V 180 V AC CNDC 280 380 V DC 1 3 Connect to the outdoor controller circuit board CNDC E2 E3 Connect to the earth CN52C 52C driving signal Connect to the outdoor controller circuit board CN52C CN2 Connect to the outdoor 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...

Страница 85: ...apacitor CB1 CB2 TB P2 Connect to the smoothing capacitor CB1 TB U TB V TB W Connect to the compressor MC Voltage among phases 10V 400V AC TB L1 TB L2 TB L3 Connect to the outdoor converter circuit board L1 OU L2 OU L3 OU RP100 140 Connect to the outdoor noise filter circuit board LO1 LO2 LO3 RP200 250 380V 415V AC TB N1 Connect to the smoothing capacitor CB2 CK capacitor CK capacitor only for RP1...

Страница 86: ...2 L3 A2 Connect to the ACL1 ACL2 ACL3 CN7 Connect to the outdoor power circuit board CN7 CK OU Connect to the CK capacitor L1 IN N IN Connect to the noise filter circuit board LO1 No L1 A1 Connect to the ACL1 L1 OU L2 OU L3 OU Connect to the outdoor power circuit board TB L1 L2 L3 OCH451D ...

Страница 87: ...ontroller board from OFF to ON 2 Forced defrost will start by the above operation 1 if all these conditions written below are satisfied Heat mode setting 10 minutes have passed since compressor started operating or previous compulsory defrosting finished Pipe temperature is less than or equal to 8 C Forced defrost will finish if certain conditions are satisfied Forced defrost can be done if above ...

Страница 88: ...mand function Low noise mode Always 2 No function 3 Max Hz setting cooling Max Hz cooling o 0 8 Normal Always 4 Max Hz setting heating Max Hz heating o 0 8 Normal Always 5 Breaker capacity setting 5 16A 25A When power supply ON 6 Defrost setting For high humidity Normal Always SW8 1 No function 2 No function 3 No function SW9 1 No function 2 Function switch Valid Normal Always 3 4 No function SW6 ...

Страница 89: ...w noise mode B On site arrangement C External input adapter PAC SC36NA E X Relay D Outdoor unit control board E Max 10 m F Power supply for relay A SW1 Orange 1 3 Brown Red CNDM X X C D A Circuit diagram example Demand function B On site arrangement X Y Relay C External input adapter PAC SC36NA E D Outdoor unit control board E Max 10 m F Power supply for relay By performing the following modificat...

Страница 90: ...or 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 displayed on remote controller Check if indoor outdoor connecting wire is connected correctly Check if 4 or more i...

Страница 91: ... 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 on outdoor controller board is disconnected Abnormality of voltage Check looseness disconnection ...

Страница 92: ...Miswiring of indoor outdoor unit connecting wire excessive number of indoor units 4 units or more Miswiring of indoor outdoor unit connecting wire converse wiring or disconnection Startup time over Communication error except for outdoor unit Display Inspection unit 0 1 2 3 4 Outdoor unit Indoor unit 1 Indoor unit 2 Indoor unit 3 Indoor unit 4 Display Contents to be inspected During operation U1 U2...

Страница 93: ...igit 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 Omit the figures after the decimal fractions 0 480 When it is 100 pulse or more hundreds digit tens digit and ones digit are displayed by turns Example When 150 pulse 0 5 secs...

Страница 94: ...error unit number and code 3 217 When the temperature is 100 or more the hundreds digit tens digit and ones digit are displayed by turns Example When 130 0 5 secs 0 5secs 2 secs A Code display Code display 0 50 When no error history 0 and are displayed by turns When no error history 0 and are displayed by turns 1 ON 2 3 4 5 6 Thermostat ON time 0 999 Test run elapsed time 0 120 0 999 When it is 10...

Страница 95: ...nly Single phase 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 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 ...

Страница 96: ... 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 ambient temperature TH7 39 88 39 88 When the temperature is 0 or less and temperature are displayed by turns No error Overvoltage error Undervoltage error Input current sensor error L1 phase open error Abnormal power synchronous signal PF...

Страница 97: ...lternate display of abnormal unit number and code When no error history 0 and are displayed by turns 3 Outdoor pipe temperature Liquid TH3 6 Outdoor pipe temperature 2 phase TH6 7 Outdoor outside temperature TH7 8 Outdoor heatsink TH8 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 thermistor display When there is no error thermistor is displayed Code display Operation frequency ...

Страница 98: ...ayed by turns Example When 15 C 0 5 secs 0 5secs 2 secs Outdoor pipe temperature 2 phase 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 ambient temperature TH7 on error occurring 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Example When 15 C 0 5...

Страница 99: ...2 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns Indoor pipe temperature Cond Eva TH5 3 Indoor 3 39 88 39 88 When the temperature is 0 C or less and temperature are displayed by turns When there is no indoor unit 00 is displayed 50 1 1 ON 2 3 4 5 6 Discharge superheat on error occurring SHd 0 255 Cooling TH4 TH6 Heating TH4 TH5 Indoor pipe tempera...

Страница 100: ...emp erature rise of discharge temperature Preventive control for excessive temp erature rise of condensing temperature Frosting preventing control Preventive control for excessive temp erature rise of heatsink Example The following controls are activated Primary current control Preventive control for excessive tempe rature rise of condensing temperature Preventive control for excessive tempe ratur...

Страница 101: ...units in the same refrigerant system Meaning of Function setting mode02 indoor temperature detecting No Indoor temperature ta No 1 Average data of the sensor on all the indoor units Initial setting ta A B 2 ta A B 2 ta A ta A No 2 The data of the sensor on the indoor unit that connected with remote controller ta A ta B ta A ta A No 3 The data of the sensor on main remote controller ta C ta C ta C ...

Страница 102: ...nit number to 01 03 or AL 07 in case of wireless remote controller When setting functions for an indoor unit in an independent system 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 03 for each indoor unit in case of selecting different functions for ...

Страница 103: ...ervice 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 the password available for those who need it If you forget your maintenance password you can initialize the password to the default password 9999 by pressing and holding the F1 and F2 buttons simultaneousl...

Страница 104: ...he 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 operation If the unit is common or when running all units all indoor units for the selected refrigerant address will start fan operation F1 F2 F3 F4 Function setting Ref address Sending data Grp 5 When the s...

Страница 105: ...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 12 1 2 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 106: ...refrigerant address and unit number may be incorrect so repeat steps and 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 set performs fan operation there may be another refrigerant address that is the same as the specified one In this case check the DIP switch of the outdoor unit to see whether such ...

Страница 107: ...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 recognized by the unit is entered 3 beeps of 0 4 seconds will be ...

Страница 108: ...ton 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 controller is starting up or when there is an error ON OFF lamp Main display Press to change the operation mode Main menu Press to move the cursor down Function button F1 Main display Press to decreas...

Страница 109: ...nt 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 Contrast Display details Auto mode Administrator password Language selection Service Service menu Input maintenance info Function setting Lossnay City Multi only Check Self check Maintenance password Remote controller check A...

Страница 110: ... at the preset temperature after performing energy save operation for a specified time period Time can be set to a value from 30 and 120 in 10 minute increments This function will not be valid when the preset temperature ranges are restricted Schedule Set the start stop times to operate the units in the energy save mode for each day of the week and set the energy saving rate Up to four energy save...

Страница 111: ...ance Select Input maintenance Info from the Service menu to bring up the Maintenance information screen The following settings can be made from the Maintenance Information screen Model name input Serial No input Dealer information input Function setting Make the settings for the indoor unit functions via the remote controller as necessary LOSSNAY setting City Multi only This setting is required on...

Страница 112: ... 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 setting press ...

Страница 113: ... 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 controller...

Страница 114: ... required setting with the F3 or F4 button Ref address setting 0 15 Request code setting Press the button Data will be collected and displayed F1 F2 F3 F4 Request code Request Request Request code Ref address Request code Cursor Ref address Request code Cursor Request code 004 Discharge temperature 69 C Data display Relay output state C 4 Operation mode Operation state Request code 0 1 Operation m...

Страница 115: ...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 even if the data changes To display the updated data ca...

Страница 116: ...d by thermostat Indoor unit Intake air temperature Unit No 1 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 2 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 3 Heat mode 4 deg correction Indoor unit Intake air temperature Unit No 4 Heat mode 4 deg correction Indoor unit Liquid pipe temperature Unit No 1 Indoor unit Liquid pipe temperature Unit No 2 Indo...

Страница 117: ...nit Error postponement history 2 previous Outdoor unit Error postponement history 3 last but one 0 255 Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode Refer to13 2 1 DetailContentsinRequestCode 0000 Not connected Examples Ver 5 01 Auxiliary information displayed after version information Examples Ver 5 01 A000 Display...

Страница 118: ...tory 3 third to last Abnormal thermistor display TH3 TH6 TH7 TH8 Operation mode at time of error Compressor Operating current at time of error Compressor Accumulated operating time at time of error Compressor Number of operation times at time of error Discharge temperature at time of error Outdoorunit Liquidpipe1temperature TH3 attimeoferror Outdoor unit Liquid pipe 2 temperature at time of error ...

Страница 119: ...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 120: ...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 121: ... 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 122: ...ity setting display 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 ...

Страница 123: ... 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 124: ...KAL PEAD RP JA L PLA RP AA2 PLA RP100BA3 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 13 160 04 28 14 200 05 32 15 224 06 35 36 16 2...

Страница 125: ...P current COMP run time COMP On Off COMP 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 F1 or F2 button and press the button Select Check with the F1 or F2 button and press the button Select Service from the Main menu and press the button Set each it...

Страница 126: ...e data with the air conditioner 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 3 Press the FILTER button to confirm the setting Display Waiting for stabilization HEAT STABLE MODE STABLE M...

Страница 127: ...e 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 contro...

Страница 128: ...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 129: ...h notch 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 learnin...

Страница 130: ... please start Judgment of refrigerant leakage mode How to reset the initial condition data When the unit is removed and installed again or refrigerant is changed 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...

Страница 131: ... panel See Photo 1 2 Remove the front panel See Photo 1 3 Remove the propeller fixing nut 1 for front M6 left screw and detach the propeller 4 Disconnect the connector CNF1 on the controller circuit board in the electrical parts box 5 Loosen the clamp for the lead wire in the motor support 6 Remove the fan motor fixing screws 4 for front 4 18 and detach the fan motor See Photo 4 Photo 1 Photo 2 To...

Страница 132: ...ts box 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Disconnect the indoor outdoor connecting wire from terminal block 5 Disconnect the connector CNF1 LEV A and LEV B on the controller circuit board Symbols on the board CNF1 Fan motor LEV A LEV B LEV 6 Disconnect the pipe side connections of the following parts Thermistor Liquid TH...

Страница 133: ...back panel See Photo 1 5 Remove the electrical parts box See Photo 5 Thermistor Discharge TH4 6 Pull out the thermistor Discharge TH4 from the sensor holder See Photo 8 Thermistor Comp surface TH32 6 Pull out the thermistor Comp surface TH32 from the sensor holder See Photo 8 7 Removing the 4 way valve 21S4 and LEV coil LEV A LEV B 1 Remove the service panel See Photo 2 2 Remove the top panel See ...

Страница 134: ... it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 10 Removing the high pressure switch 63H 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back panel See Photo 1 5 Remove the electrical parts box See Photo 5 6 Pull out the lead wire of high pressure switch 7 Recover refrigeran...

Страница 135: ...t 9 Remove 3 compressor fixing nuts by using a spanner or a adjustable wrench 10 Remove the welded pipe of motor for compressor inlet and outlet Note Recover refrigerant without spreading it in the air Receiver leg fixing screw Receiver leg 13 Removing the power receiver 1 Remove the service panel See Photo 2 2 Remove the top panel See Photo 1 3 Remove the front panel See Photo 1 4 Remove the back...

Страница 136: ... 2 clamps on the separator and electrical parts box on the ceiling front side 7 Remove the fan motor fixing screws 4 for front 5 25 to detach the fan motor See Photo 3 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 and power supply wire from the terminal block 4 Disconnect the connector C...

Страница 137: ...x 4 Disconnect the lead wires from the wire clip on the outdoor controller board in the electrical parts box 5 Loosen the clamp for the lead wire in the rear of the electrical parts box See Photo 5 6 Pull out the thermistor Ambient TH7 from the sensor holder Note When replacing thermistor Ambient TH7 replace it together with thermistor Outdoor 2 phase pipe TH6 since they are combined together Refe...

Страница 138: ...t without spreading it in the air Note 2 The welded part can be removed easily by remov ing the side panel R Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing the LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical pa...

Страница 139: ...e the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remove the side panel R fixing screws 3 for rear 5 12 in the rear of the unit and remove the side panel R 5 Pull out the lead wire of high pressure switch 6 Recover refrigerant 7 Remove the welded part of high pressure switch Note 1 Recover refrigerant without spreading it in the air ...

Страница 140: ...R See Photo 1 8 Remove the separator fixing screws 3 for front 4 10 and remove the separator 9 Recover refrigerant 10 Remove the 3 points of the compressor fixing nut using a spanner or a adjustable wrench 11 Remove the welded pipe of compressor inlet and outlet then remove the compressor Note Recover refrigerant without spreading it in the air 13 Removing the power receiver 1 Remove the service p...

Страница 141: ... Top and bottom See Photo 2 5 Disconnect the connectors CNF1 CNF2 on controller circuit board in electrical parts box 6 Remove the fan motor fixing screws 4 for front 5 20 to detach the fan motor See Photo 3 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 t...

Страница 142: ...door 2 phase pipe TH6 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 red on the controller circuit board in the electrical parts box 4 Disconnect the lead wires from 2 fasteners on the outdoor controller board in the electrical parts box 5 Loosen the 2 wire clamps on top of the electrical parts box 6 Pull out the thermistor Outdoor 2 phas...

Страница 143: ...n be removed easily by remov ing the side panel R Note 3 When installing the 4 way valve cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized 9 Removing the LEV 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the electrical parts box See Photo 4 4 Remove the valve bed See Photo 10 5 R...

Страница 144: ...de panel R Note 3 When installing the high pressure switch cover it with a wet cloth to prevent it from heating 100 C or more then braze the pipes so that the inside of pipes are not oxidized 12 Removing the compressor MC 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the cover panel front fixing screws 2 for front 5 12 and remove the cover panel front See Photo...

Страница 145: ...r panel front See Photo 1 4 Remove the cover panel rear See Photo 1 5 Remove the electrical parts box See Photo 4 6 Remove the valve bed See Photo 11 7 Remove the side panel R See Photo 1 8 Recover refrigerant 9 Remove 4 welded pipes of power receiver inlet and outlet 10 Remove the receiver leg fixing screws 2 for front 4 10 Note Recover refrigerant without spreading it in the air OPERATING PROCED...

Страница 146: ...ng screws 4 for front 5 12 to detach the fan grille Top and bottom See Photo 1 4 Remove a nut for right handed screw of M6 to detach the propeller Top and bottom See Photo 2 5 Disconnect the connectors CNF1 CNF2 on controller circuit board in electrical parts box 6 Remove the fan motor fixing screws 4 for front 5 20 to detach the fan motor See Photo 3 3 Removing the electrical parts box 1 Remove t...

Страница 147: ...uipped with the noise filter circuit board and converter circuit board See Photo 10 Note When reassembling the electrical parts box make sure the wirings are correct Photo 5 Electrical parts box Electrical parts box fixing screw Photo 6 Electrical parts box Screw1 Controller circuit board C B Photo 7 Screw3 Screw2 Bottom plate of electrical parts box A Electrical parts box Photo 8 Screw5 Screw4 Bo...

Страница 148: ...emove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Disconnect the connector TH7 6 red on the controller circuit board in the electrical parts box 4 Disconnect the lead wires from 2 fasteners on the outdoor controller board in the electrical parts box 5 Loosen the 2 wire clamps on top of the electrical parts box 6 Pull out the thermistor Outdoor 2 phase pipe TH6 from the senso...

Страница 149: ...op valve fixing screws 4 for front 5 16 then remove the valve bed 4 Remove the side panel R fixing screws 4 for rear 5 12 in the rear of the unit then remove the side panel R See Photo 1 5 Remove the 4 way valve coil See Photo 15 6 Recover refrigerant 7 Remove the welded part of 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by r...

Страница 150: ...ors ACL1 ACL2 ACL3 1 Remove the service panel See Photo 1 2 Remove the reactor box fixing screws 2 for front 2 for rear 4 10 3 Disconnect the lead wires from the reactor See Photo 17 4 Remove each fixing screws 2 for front 2 for rear 4 10 of 3 reactors Note 1 The reactor is very heavy 4 kg Be careful when handling it Note 2 The reactor box is also removable OPERATING PROCEDURE PHOTOS OCH451D ...

Страница 151: ...of the unit and then remove the side panel R 8 Remove the separator fixing screws 3 for front 4 10 and remove the separator 9 Recover refrigerant 10 Remove the 3 points of the compressor fixing nut using a spanner or a adjustable wrench 11 Remove the welded pipe of compressor inlet and outlet and then remove the compressor Note Recover refrigerant without spreading it in the air 14 Removing the po...

Страница 152: ...cuit board N F Terminal block TB2 Controller circuit board C B Terminal block TB1 Electrical parts box fixing screws Electrical parts box Photo 2 Photo 3 Fan motor fixing screws Fan motor Fan motor fixing screws Front panel Propeller Nut Photo 1 Top panel fixing screws Top panel Service panel fixing screws Service panel Grille fixing screws Grille fixing screws Slide Cover panel fixing screws 1 Re...

Страница 153: ... circuit board in the electrical parts box 4 Disconnect the lead wires from the wire clip on the outdoor controller board in the electrical parts box 5 Loosen the clamp for the lead wire in the rear of the electrical parts box See Photo 5 6 Pull out the thermistor Ambient TH7 from the sensor holder Note When replacing thermistor Ambient TH7 replace it together with thermistor Outdoor 2 phase pipe ...

Страница 154: ... coil fixing screw 4 way valve Note 1 Recover refrigerant without spreading it in the air Note 2 The welded part can be removed easily by removing the side panel R Note 3 When installing the parts of refrigerant cir cuit cover it with a wet cloth to prevent it from heating 120 C or more then braze the pipes so that the inside of pipes are not oxidized Linear expansion valve coil LEV B Linear expan...

Страница 155: ...compressor Note Recover refrigerant without spreading it in the air Photo 10 Compressor MC Soundproof cover Compressor fixing nut Compressor terminal 10 Removing the high pressure switch 63H 63H1 63H2 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the side panel R fixing screws 3 for rear 5 10 in the rear of the unit and remove the side panel R 4 Pull out the le...

Страница 156: ...ted in Jan 2010 No OCH451 REVISED EDITION A PDF 5 Distributed in May 2009 No OCH451 PDF 7 Made in Japan New publication effective May 2013 Specifications are subject to change without notice 12 Removing the power receiver 1 Remove the service panel See Photo 1 2 Remove the top panel See Photo 1 3 Remove the cover panel front See Photo 11 4 Remove the cover panel rear See Photo 11 5 Remove the elec...

Страница 157: ...71VHA4 Chapelford Primary School Mr Slim Split Systems Cheshire PUHZ RP35 250_Declaration_of_Conformity_ CE2010A42 PUHZ RP35 250_Installation_Manual_ BH79D132H02 PUHZ RP35 250_Parts_Catalog_ OCB451D PUHZ RP35 250_Service_Manual_ OCH451D ...

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