Fujitsu AO*G09LTCN Service Instructions Manual Download

Page: 2 / 71

CONTENTS

1. DESCRIPTION OF EACH CONTROL OPERATION

1. COOLING OPERATION................................................................................................

3. DRY OPERATION.........................................................................................................

2. HEATING OPERATION.................................................................................................

5. INDOOR FAN CONTROL..............................................................................................

4. AUTO CHANGEOVER OPERATION............................................................................

7. LOUVER CONTROL.....................................................................................................

6. OUTDOOR FAN CONTROL..........................................................................................

9. TIMER OPERATION CONTROL...................................................................................

8. COMPRESSOR CONTROL..........................................................................................

11. TEST OPERATION CONTROL...................................................................................

10. ELECTRONIC EXPANSION VALVE CONTROL........................................................

13. FOUR-WAY VALVE EXTENSION SELECT................................................................

12. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST ).................................

15. MANUAL AUTO OPERATION ( Indoor unit body operation ).....................................

14. AUTO RESTART.........................................................................................................

16. FORCED COOLING OPERATION..............................................................................

17. COMPRESSOR PREHEATING..................................................................................

19. ECONOMY OPERATION............................................................................................

21. OUTDOOR UNIT LOW NOISE OPERATION..............................................................

20.

HUMAN SENSOR CONTROL.....................................................................................

01-01

01-02

01-03

01-04

01-06

01-07

01-08

01-09

01-12

01-13

01-14

18.

10°C HEAT OPERATION

............................................................................................ 01-14

01-14

01-15

22. POWERFUL OPERATION.......................................................................................... 01-15

23. BASE HEATER OPERATION..................................................................................... 01-15

25. OFF DEFROST OPERATION CONTROL...................................................................

24.

DEFROST OPERATION CONTROL........................................................................... 01-16

01-18

26. VARIOUS PROTECTIONS.......................................................................................... 01-19

01-12

Summary of Contents for AO*G09LTCN

Page 1: ...SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTEDtype Models Indoor unit Outdoor unit INVERTER SERVICE INSTRUCTION R410A AS G09LTCB AS G12LTCB AS G14LTCB AO G09LTCN AO G12LTCN AO G14LTCN ...

Page 2: ... TO RESTART FOR 3 MINUTES 3 MINUTES ST 15 MANUAL AUTO OPERATION Indoor unit body operation 14 AUTO RESTART 16 FORCED COOLING OPERATION 17 COMPRESSOR PREHEATING 19 ECONOMY OPERATION 21 OUTDOOR UNIT LOW NOISE OPERATION 20 HUMAN SENSOR CONTROL 01 01 01 02 01 02 01 03 01 04 01 06 01 07 01 08 01 09 01 12 01 12 01 12 01 13 01 13 01 13 01 14 01 14 18 10 C HEAT OPERATION 01 14 01 14 01 15 22 POWERFUL OPER...

Page 3: ...r Resistance Values 3 2 1 INDOOR UNIT 3 2 2 OUTDOOR UNIT 03 05 03 05 03 05 2 TROUBLE SHOOTING 2 1 ERROR DISPLAY 2 1 1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY 2 1 2 WIRED REMOTE CONTROLLER DISPLAY OPTION 2 2 TROUBLE SHOOTING WITH ERROR CODE 2 3 TROUBLE SHOOTING WITH NO ERROR CODE 02 01 02 01 02 02 02 03 02 25 2 4 SERVICE PARTS INFORMATION 02 30 ...

Page 4: ......

Page 5: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...

Page 6: ...nge shown in Table1 However the maximum frequency is limited in the range shown in Fig 1 based on the indoor fan mode and the outdoor temperature If the room temperature is some degrees lower than a set temperature the compressor will be stopped AS G12LTCB AS G14LTCB A zone 76rps 45rps 37rps 29rps B zone 76rps 45rps 37rps 29rps C zone 76rps 45rps 37rps 26rps D zone 43rps 35rps 26rps 20rps E zone 5...

Page 7: ...Table 3 Compressor frequency range 01 02 Minimum frequency Maximum frequency AS G09LTCB 18rps 130rps AS G12LTCB 16rps 119rps AS G14LTCB 16rps 140rps 3 DRY OPERATION The compressor frequency shall change according to the temperature set temperature and room temperature variation which the room temperature sensor of the indoor unit body has detected as shown in the Table 4 However after the compress...

Page 8: ...other than auto changeover operation NO NO Thermostat remains in OFF state for 6 minutes or longer System stops or operation command other than auto changeover operation YES YES When the air conditioner is set to the AUTO mode by remote control operation starts in the optimum mode from among the Heating Cooling Dry and Monitoring modes During operation the optimum mode is automatically switched in...

Page 9: ... rises When the room temperature drops TR Room temperature Ts Setting temperature TR Ts 2 C 1 C TR Ts 2 C TR Ts 1 C TR Ts 2 5 C 1 5 C TR Ts 2 5 C TR Ts 1 5 C Hi mode Me mode Lo mode 1 Fan speed Table 5 Indoor fan speed Operation mode Air flow mode Speed rpm Cooling Fan Heating Dry X zone 650 J zone 610 X zone 650 J zone 610 X zone 740 J zone 710 AS G09LTCB AS G12LTCB AS G14LTCB 4 DRY OPERATION Ref...

Page 10: ...om temperature drops TR Room temperature Ts Setting temperature Lo mode Me mode Me mode 42 C 30 C 34 C Indoor heat exchanger temperature rises Indoor heat exchanger temperature drops Hi Me Lo Cool air prevention 39 C 37 C 37 C 32 C 28 C S Lo Switch the airflow Auto at cooling mode and the indoor fan motor will run as shown in Fig 7 7 MOISTURE RETURN PREVENTION CONTROL Cooling mode Dry mode Fig 7 I...

Page 11: ...tor 2 Fan Speed AC Motor DC Motor AO G09 12 14LTCN Following table shows the type of the outdoor fan motor The control method is different between AC motor and DC motor Table 7 Type of Motor AO G09LTCN 950rpm Cooling Heating AO G09LTCN AO G12LTCN AO G14LTCN Y Z Zone Refer to Fig 8 rpm F G Y Z F G Y Z F G Dry 250 200 330 300 300 250 850 750 670 500 1050 870 720 530 870 530 300 1050 870 720 590 530 ...

Page 12: ...s display does not change Use the air direction adjustments within the ranges shown above During AUTO mode operation for the first a few minutes after beginning operation air flow will be horizontal 1 the air direction cannot be adjusted during this period The air flow direction setting will temporarily become 1 when the temperature of the air flow is low at the start of the Heating mode Range Hea...

Page 13: ...me Time Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Time Time Time Time Time 80sec 140sec 200sec Time Frequency Time 6 Frequency Time 6 108rps 119rps 40rps 57rps 72rps 80rps 101rps 110rps 40rps 59rps 72rps 80rps 101rps 110rps 380sec 500sec 440sec 80sec 110sec 140sec 200sec 410sec 350sec 3 LIMITATION OF COMPRESSOR FREQUENCY BY OUTDOO...

Page 14: ...tion mode Stop mode Set time of timer The program timer allows the OFF timer and ON timer to be used in combination one time Operation mode Operation will start from the timer setting either OFF timer or ON timer whichever is closest to the clock s current timer setting The order of operations is indicated by the arrow in the remote control unit s display SLEEP timer operation cannot be combined w...

Page 15: ...ature another 1 C after 1 hour After that the setting temperature is not changed and the operation is stopped at the time of timer setting Ts 1 C 2 C Set 60min In the heating operation mode When the sleep timer is set the setting temperature is decreased 1 C It decreases the setting temperature another 1 C every 30 minutes Upon lowering 4 C the setting temperature is not changed and the operation ...

Page 16: ...mer function can set operation times of the each day of the week All days can be set together the weekly timer can be used to repeat the timer setting for all of the days 3 TEMPERATURE SET BACK TIMER This timer function can change setting temperature of setting operation times of the each day of the week This can be together with other timer setting Normal tmp ON OFF Setting day Setting day Settin...

Page 17: ...ven At the time when the air conditioner is switched from the cooling mode to heating mode the compressor is stopped and the four way valve is switched in 2 minutes and 20 seconds later after the compressor stopped 12 PREVENT TO RESTART FOR 3 MINUTES 3 MINUTES ST 13 FOUR WAY VALVE EXTENSION SELECT 11 TEST OPERATION CONTROL Operation method The outdoor unit may not operate depending on the room tem...

Page 18: ...s shown in Table17 Press and hold MANUAL AUTO button for 3 10seconds MANUAL AUTO button When the power was interrupted by a power failure etc during operation the operation contents at that time are memorized and when power is recovered operation is automatically started with the memorized operation contents When the power is interrupted and recovered during timer operation since the timer operati...

Page 19: ...ENSOR functions by pressing SENSOR button on the remote controller When the sensor detects that there is no one in the room for 20 minutes or more it automatically changes the operation as below settings When someone comes back into the room the human sensor will detect this and automatically revert to the original settings 90 6 m 6 m 50 50 Vertical angle 90 Side view Horizontal angle 100 Top view...

Page 20: ...t will operate at maximum power as shown in Table22 Release Condition is as follows Cooling Dry Room tenperature Setting temperature 1 5 C or Operation time has passed 20 minutes COMPRESSOR FREQUENCY Maximum FAN CONT MODE Powerful SETTING LOUVER Cooling Dry 3 Heating 5 Table22 Powerful operation Heating Room tenperature Setting temperature 1 5 C or Operation time has passed 20 minutes 23 BASE HEAT...

Page 21: ...an 10 minutes the OFF number of the compressor is counted If any defrost operated the compressor OFF count is cleared Normal defrost Compressor integrating operation time Less than 25 minutes 09 12L Less than 40 minutes 14L More than 25 minutes 09 12L More than 40 minutes 14L Does not operate Outdoor heat exchanger temp 17 C at outside air temp 10 C Outdoor heat exchanger temp Outside air temp 7 C...

Page 22: ...r Compressor ON time Maximum 15 minutes Defrost end Outdoor HEX temp Below 17 C Outdoor HEX temp Outside air temp Below 7 C or Outdoor HEX temp Below 25 C Integrating defrost Defrost Indicator Operation lamp 7 sec ON 2 sec OFF Defrost start Normal defrost Outside air temp 10 C Outside air temp 10 C Compressor OFF count 40 times Less than 10min Compressor integrating operation Over 240 min Outdoor ...

Page 23: ...ndicater Operation lamp 7 sec ON 2 sec OFF Outdoor heat exchanger temperature Over 16 C or Compressor ON time Over 15 minutes Defrost end 2 OFF DEFROST END CONDITION Release Condition Outdoor heat exchanger temperature sensor value is higher than 16 C or Compressor operation time has passed 15 minutes In heating operation the outdoor heat exchanger temperature is less than 4 C compressor continuou...

Page 24: ...ROL The compressor frequency is controlled so that the outdoor unit input current does not exceed the current limit value that was set up with the outdoor temperature The compressor frequency returns to the designated frequency of the indoor unit at the time when the frequency becomes lower than the release value Table 26 Current release operation value Release value 01 19 Heating OT Outdoor Tempe...

Page 25: ...stopped and trouble display is performed 5 HIGH TEMPERATURE RELEASE CONTROL HEATING MODE 01 20 Outdoor temperature Over than 10 C 1 or 12 C 2 Less than 10 C 1 or 12 C 2 1 When the temperature rises 2 When the temperature drops 4 C 7 C 13 C Temperature Temperature On heating mode the compressor frequency is controlled as following based on the detection value of the indoor heat exchanger temperatur...

Page 26: ......

Page 27: ...2 TROUBLE SHOOTING R410A WALL MOUNTED type INVERTER ...

Page 28: ...es 2 times Continuous 1 times 5 times Intake grille error Continuous 8 times 5 times Outdoor unit main PCB error 2 times 6 times Continuous Continuous 4 times 7 times 6 times 1 times Continuous 7 times 3 times Continuous 7 times 4 times Continuous PFC circuit error 09 12L Active filter error 14L Discharge thermistor error Heat Ex liquid outlet thermistor error Outdoor thermistor error 1 2 3 4 5 6 ...

Page 29: ...orized error codes may be displayed for the indoor unit connected to the remote controller 1 Stop the air conditioner operation 2 Press the SET TEMPERATURE buttons simultaneously for 3 seconds or more to start the self diagnosis 4 Press the SET TEMPERATURE buttons simultaneously for 3 seconds or more or there is no key input for 60 seconds to stop the display 3 Press the SET TEMPERATURE button to ...

Page 30: ...or removed connection line of Indoor unit and Outdoor unit If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC207V AC230V 10 253V AC230V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Reverse Transfer Signal Check Serial Sign...

Page 31: ...loose or removed connection line of Indoor unit and Outdoor unit If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC207V AC230V 10 253V AC230V 10 appears at Outdoor Unit Terminal L N Check Point 4 Check Serial Signal Reverse Transfer Signal Check Seria...

Page 32: ...heck the connection of terminal between remote control and Indoor unit and check if there is a disconnection of the cable Upon correcting the removed connector or mis wiring reset the power Check Voltage at CNC01 terminal 1 3 of UTY TWBXF Communication kit Power supply to Remote Control If it is DC13V Remote Control is failure Controller PCB is normal Replace Remote Control If it is DC 0V Controll...

Page 33: ...power cable Neon light bulb or any electronic equipment which causes harmonic wave Note EEPROM EEPROM Electronically Erasable and Programmable Read Only Memory is a non volatile memory which keeps memorized information even if power is turned off It can change the contents electronically To change the contents it uses higher voltage than normal and it can not change a partial contents Rewriting sh...

Page 34: ...tive 60 or more seconds 1 Manual auto switch failure 2 Controller PCB and Indicator PCB failure Check Point 1 Check the Manual auto switch Check if Manual auto switch is kept pressed Check Point 2 Replace Controller PCB If Check Point 1 do not improve the symptom change Controller PCB and Indicator PCB Check ON OFF switching operation by using a meter If Manual Auto Switch is disabled on off switc...

Page 35: ...re Thermistor open or short circuit is detected 1 Connector connection failure 2 Thermistor failure 3 Controller PCB failure Check if connector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Make ...

Page 36: ...r Check if connector is removed Check erroneous connection Check if thermistor cable is open Upon correcting the removed connector or mis wiring reset the power Check Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Check Point 3 Check voltage of Controller PCB DC5 0V Make s...

Page 37: ...fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace it Check excessively high temperature around the motor If there is any surrounding equipment that causes heat Upon the temperature coming down restart operation When the condition that actual frequency of Indoor Fan is below 1 3 of target frequency is continued more than 56 seconds 02 10 Check Point 4 Replace Controlle...

Page 38: ... Indicate or Display Refer to error code table Check Point 2 Check Point 2 Check Connector CN11 Wire Check Point 1 Check Limit switch Check Point 3 Replace Controller PCB OK OK Check operation of Micro switch any blocking by dust etc Remove Micro switch and check ON OFF switching operation by using a meter If Micro switch is detective replace it Check loose contact of CN11 shorted wire pinched wir...

Page 39: ...n PCB failure Check Point 1 1 Reset Power Supply and operate Does Error indication show again Check Point 1 2 Check external cause Check if temporary voltage drop was not generated Check if momentary open was not generated Check if ground is connection correctly or there are no related cables near the power line Change Main PCB Access to EEPROM failed due to some cause after outdoor unit started 0...

Page 40: ... change Main PCB Check Point 1 Check external cause at Indoor and Outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that...

Page 41: ... change Main PCB Check Point 1 Check external cause at Indoor and Outdoor Voltage drop or Noise Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that...

Page 42: ...is wiring reset the power Check Point 2 Check Outdoor Fan Heat Exchanger Is there anything obstructing the air distribution circuit Is there any clogging of Outdoor Heat Exchanger Is the Fan rotating by hand when operation is off If the Fan Motor is locked replace it Check Outdoor Fan Motor Refer to Trouble shooting 17 If the Fan Motor is failure replace it Check Point 4 Check Compressor PARTS INF...

Page 43: ...able is open Upon correcting the removed connector or mis wiring reset the power Check Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power Check Point 3 Check voltage of Main PCB DC5 0V Make sure circuit diagram of outdoor unit and check terminal voltage at Thermistor DC5 0V If...

Page 44: ...n Upon correcting the removed connector or mis wiring reset the power Check Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power 02 17 5 C 10 C 95 6 30 C 50 3 20 C 80 C 70 C 60 C 30 C 20 C 10 C 5 C 0 C 50 C 40 C Indicate or Display Refer to error code table Check Point 3 Check P...

Page 45: ...ed connector or mis wiring reset the power Check Point 2 Remove connector and check Thermistor resistance value Thermistor Characteristics Approx value If Thermistor is either open or shorted replace it and reset the power 02 18 15 C 20 C 224 3 30 C 159 7 25 C 35 C 5 2 40 C 4 2 45 C 3 5 50 C 2 8 55 C 30 C 25 C 10 C 5 C 0 C 5 C 10 C 20 C 15 C Indicate or Display Refer to error code table Check Poin...

Page 46: ...ternal cause 3 Main PCB failure Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of ground...

Page 47: ...cessive rise of ambient temperature 2 Inverter PCB failure 3 Inverter compressor failure lock winding short Protection stop by overcurrent generation after inverter compressor start processing completed generated consecutively 10 times The number of generations is reset if the start up of the compressor succeeds No obstructions in air passages Heat exchange fins clogged Outdoor unit fan motor chec...

Page 48: ...cable is open Upon correcting the removed connector or mis wiring reset the power Refer to PARTS INFORMATION 2 For Compressor Terminal Main PCB If the detected rotor location is out of phase with actual rotor location more than 90 the compressor stops After the compressor restarts if the same operation is repeated within 40sec the compressor stops again If and repeats 5 times the compressor stops ...

Page 49: ... of Main PCB Check outdoor unit circuit diagram and the voltage Measure at Main PCB side connector If the voltage is not correct replace Main PCB When outdoor fan rotation speed is less than 100rpm in 20 seconds after fan motor starts fan motor stops After fan motor restarts if the same operation within 60sec is repeated 3 times in a row compressor and fan motor stops If and repeats 5 times in a r...

Page 50: ...coil and 4 way valve Remove CN30 For 9 12L and CN500 For 14L from PCB and check the resistance value of coil Resistance value is 1 88k 2 29k at 20 C If it is Open or abnormal resistance value replace Solenoid Coil 02 23 Cooling or Dry operation Indoor heat exchanger temp Room temp 10degC Heating operation Indoor heat exchanger temp room temp 10degC If the same operation is repeated 5 times the com...

Page 51: ...tdoor unit fan heat exchanger Check for foreign object at heat exchanger Check if fan can be rotated by hand Motor check PARTS INFORMATION 5 Check Point 2 Check the EEV strainer Check Point 5 Check the refrigerant amount Leak check EEV EEV1 EEV2 open Strainer clogging check before and after EEV ACM oil return Check Point 2 Check the EEV strainer If the 3 way valve gas side was closed open the 3 wa...

Page 52: ...ective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding 02 25 2 3 TROUBLE SHOOTING WITH NO ERROR CODE Check Point 3 Check Electrical Components YES YES NO Check the voltage of power supply Check if AC207 253V appea...

Page 53: ...Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the complete insulation of grounding Check the voltage of power supply Check if AC207 253V appears at Outdoor Unit Terminal L N Check Fuse in Main P...

Page 54: ...removed communication line of Indoor Unit and Outdoor Unit Instant drop Check if there is a large load electric apparatus in the same circuit Momentary power failure Check if there is a defective contact or leak current in the power supply circuit Noise Check if there is any equipment causing harmonic wave near electric line Neon bulb or electric equipment that may cause harmonic wave Check the co...

Page 55: ...e air flow route Check clogged Heat Exchanger Is the Valve open Is capacity of Indoor unit fitted to room size Any windows open or direct sunlight Check connection pipe specified pipe length Pipe diameter Check any loose or removed communication line If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check if Strainer is clogged Refer to the f...

Page 56: ...on grille and front panel normal Is Fan broken or deformed Is the screw of Fan loose Is there any object which obstruct the Fan rotation Is Main unit installed in stable condition Is Fan guard installed normally Check if vibration noise by loose bolt or contact noise of piping is happening Is Compressor locked Check Compressor PARTS INFORMATION 1 2 Water Leaking 1 Erroneous installation 2 Drain ho...

Page 57: ...mpressor due to clogged dirt or less oil Replace Compressor Replace Compressor Replace Compressor Stops soon after starting up Is there open or loose connection cable Is Gas pipe valve open Low pressure is too low Check if Refrigerant is leaking Recharge Refrigerant Check if strainer is clogged PARTS INFORMATION 3 If there is no failure the defect of Compressor can be considered Compression part b...

Page 58: ...ect wiring Check winding resistance of each terminal If the resistance value is 0 or infinite replace Compressor If the symptom does not change with above Check 1 2 replace Main PCB 02 31 R S WHITE C BLACK Terminal cover opened RED S V R U RED C W BLACK Terminal cover opened WHITE AO G12 14L AO G09L Resistance Value 0 7 at 20 C AO G09L Resistance Value 1 4 at 25 C AO G12L Resistance Value 0 7 at 2...

Page 59: ...utdoor unit Electronic Expansion Valve EEV Check connection of connector CN40 Loose connector or open cable Remove connector check each winding resistance of Coil If Resistance value is abnormal replace EEV Remove Connector and check Voltage DC12V If it does not appear replace Main PCB Turn on Power and check operation noise If an abnormal noise does not show replace Main PCB When Valve is closed ...

Page 60: ...DC voltage Vm No function No function Earth terminal GND Control voltage Vcc Speed command Vsp Feed back FG SERVICE PARTS INFORMATION 4 Check Point 1 Check rotation of Fan Indoor unit fan motor Rotate the fan by hand when operation is off Check if fan is caught dropped off or locked motor If Fan or Bearing is abnormal replace it Check Point 2 Check resistance of Indoor Fan Motor Refer to below Cir...

Page 61: ...ltage of compressor stopping Active Filter Module is detective Replace Active Filter Module Terminal Resistance value L2 L1 L1 L2 P P Control Box N N IN IN IN IN Tester Tester Check the open or short circuit L2 P P N L2 L2 Check the diode 0 360k 720k 1 69M 20 360k 20 20 Ref value 1 1 88M Ref value 2 1 40M Ref value 1 2 28M Ref value 2 Terminal Resistance value Tester Tester 1 32M Ref value 1 1 50M...

Page 62: ...easure the resistance between the following terminals Set the tester to the Diode mode and measure the voltage value between the following terminals Judge the result of as follows Judge the result of as follows TM301 P TM305 U TM304 V TM303 W TM302 N TM305 U TM304 V TM303 W P P P U V W N N N U V W U V W P P P U V W N N N Over 2k Including Over 2k Including Over 20k Including Terminal Tester displa...

Page 63: ...eater wire If Resistance value is abnormal replace Heater Unit 02 36 Check Point 2 Check electrical components Check Check Fuses CN10 1 2 3 4 5 3 2 1 3 2 1 1 2 3 4 5 BLACK BLACK WHITE WHITE BLACK BLACK WHITE FUSE 250V5A FUSE 250V5A HEATER THERMOSTAT 55 C If Fuse is open check connection and replace Fuse 321 368 AO G14LTCN AO G09 12LTCN CN112 1 2 1 2 3 1 2 3 1 2 BLACK WHITE WHITE BLACK BLACK WHITE ...

Page 64: ......

Page 65: ...3 APPENDING DATA R410A WALL MOUNTED type INVERTER ...

Page 66: ... filter Select the time setting for the filter sign display interval in the table below according to the amount of dust or debris in the room If you do not wish the filter sign to be displayed select the setting value for No indication Factory setting Setting Description Function Number Setting Value Standard Slightly lower control Lower control Warmer control 30 00 01 02 03 1 2 Cooling Room Tempe...

Page 67: ...ture sensor Factory setting Setting Description Function Number Setting Value A B C D 44 00 01 02 03 1 6 Remote controller signal code Change the indoor unit Signal Code depending on the remote controllers Factory setting Setting Description Function Number Setting Value Operation Stop mode Setting forbidden Forced stop mode 46 00 01 02 1 7 External input control Operation Stop mode or Forced stop...

Page 68: ...utton again to return to the function number selection Selecting the Function Number and Setting Value 5 Next please press the START STOP button Please confirm that the beep sounds 6 Press the RESET button to cancel the function setting mode 7 After completing the FUNCTION SETTING be sure to turn off the power and turn it on again CAUTION After turning off the power wait 10 seconds or more before ...

Page 69: ...the SET TEMP buttons to change the signal code between Match the code on the display to the air conditioner signal code If no buttons are pressed within 30 seconds after the signal code is displayed the system returns to the original clock display In this case start again from step 1 The air conditioner signal code is set to A prior to shipment CAUTION 1 Press the START STOP button until only the ...

Page 70: ... 0 28 0 0 168 6 0 36 5 0 129 8 0 46 10 0 100 9 0 57 15 0 79 1 0 71 20 0 62 5 0 86 25 0 49 8 1 03 30 0 40 0 1 23 35 0 32 4 1 43 40 0 26 3 1 65 45 0 21 6 1 88 50 0 17 8 2 11 55 0 14 8 2 34 60 0 12 3 2 57 65 0 10 3 2 79 70 0 8 7 3 00 75 0 7 4 3 19 80 0 6 3 3 37 85 0 5 4 3 54 90 0 4 6 3 69 95 0 4 0 3 83 100 0 3 4 3 96 105 0 3 0 4 07 110 0 2 6 4 17 115 0 2 3 4 26 120 0 2 0 4 33 Temp C Resistance k Volt...

Page 71: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan September 2011 Printed in Japan ...

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