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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..............................................................................

18. 10°C HEAT OPERATION............................................................................................

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

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

21. OFF DEFROST OPERATION CONTROL...................................................................

20.

DEFROST OPERATION CONTROL...........................................................................

01-01

01-02

01-03

01-04

01-06

01-07

01-08

01-09

01-12

01-13

01-14

01-15

01-17

01-12

2. TROUBLE SHOOTING

2-1 ERROR DISPLAY.......................................................................................................

2-1-1 INDOOR UNIT AND WIRED RMOTE CONTROLLER DISPLAY (OPTION)......

3. APPENDING DATA

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

02-02

02-03

02-26

2-4 SERVICE PARTS INFORMATION.............................................................................. 02-31

22. VARIOUS PROTECTIONS.......................................................................................... 01-18

23. COMPRESSOR STOP CONTROL.............................................................................. 01-20

3-1 FUNCTION SETTING.................................................................................................

3-1-1 INDOOR UNIT....................................................................................................

3-1-2 Procedures to change the Function Setting for wireless RC..............................

03-01

03-03

3-2 Outdoor unit Pressure Value and Total Electric Current Curve................................... 03-05

3-3 Thermistor Resistance Values..................................................................................... 03-09

Содержание AOG24LFLAOG24LFCC

Страница 1: ...SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTEDtype Models Indoor unit Outdoor unit AS G24LFCA AS G24LFCC AS G30LFCA AO G24LFL AO G24LFCC AO G30LFT INVERTER SERVICE INSTRUCTION R410A ...

Страница 2: ... OPERATION CONTROL 20 DEFROST OPERATION 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 01 14 01 15 01 17 01 12 2 TROUBLE SHOOTING 2 1 ERROR DISPLAY 2 1 1 INDOOR UNIT AND WIRED RMOTE CONTROLLER DISPLAY OPTION 3 APPENDING DATA 2 1 2 WIRED REMOTE CONTROLLER DISPLAY OPTION 2 2 TROUBLE SHOOTING WITH ERROR CODE 2 3 TROUBLE SHOOTING WITH NO E...

Страница 3: ......

Страница 4: ...1 DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER ...

Страница 5: ...s 26rps F zone 68rps 51rps 42rps 26rps Table 1 Compressor Frequency Range When the compressor operates for 30 minutes continuously at over the maximum frequency the maximum frequency is changed from Maximum Frequency to Maximum Frequency 01 01 E zone F zone 10 C 0 C 12 C 2 C When the room temperature is between 2 C to 2 5 C of the setting temperature the compressor frequency is controlled within t...

Страница 6: ...or Frequency Range 01 02 minimum frequency maximum frequency AO G24LFL AO G30LFT 16rps 133rps 16rps 90rps 3 DRY OPERATION 3 1 INDOOR UNIT CONTROL The compressor rotation 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 Table3 However after the compressor is drive...

Страница 7: ...uto 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 accordance ...

Страница 8: ...3 Airflow change over Cooling AUTO When the room temperature 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 HIGH mode MED mode LOW mode 1 Fan speed Table4 Indoor Fan Speed Operation mode Air flow mode Speed rpm 1480 1320 1220 1020 Cooling Fan Hi Hi 860 680 270 480 1430 1480 Me Me Me Heatin...

Страница 9: ...e drops TR Room temperature Ts Setting temperature LOW mode MED mode MED mode 42 C 30 C 34 C Indoor heat exchanger temperature Indoor heat exchanger temperature 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 6 7 MOISTURE RETURN PREVENTION CONTROL Cooling mode Dry mode Fig 6 Indoor Fan Control Comp...

Страница 10: ...Fan Speed AC Motor DC Motor AO G24LFL LFCC 30LFT Following table shows the type of the outdoor fan motor The control method is different between AC motor and DC motor Table6 Type of Motor AO G24LFL LFCC 1100rpm Cooling Heating AO G24LFL AO G30LFT D F Zone 1050 820 720 500 1100 820 720 550 450 900 850 800 620 550 450 Refer to Fig 7 rpm 430 350 300 G 350 290 260 H 280 250 230 D F 500 320 250 850 800...

Страница 11: ...sting operation time the air flow will be horizontal However the Airflow Direction cannot be adjusted at beginning AUTO operation mode During Heating Cooling Dry modes Cooling mode Dry mode Fan mode Heating mode Fan mode 3 SWING OPERATION When the swing signal is received from the remote controller the vertical louver starts to swing Swinging Range 1 3 1 4 4 6 3 6 To select Vertical Airflow Swing ...

Страница 12: ...ressor Operation Frequency Range 2 OPEARTION FREQUENCY CONTROL AT NORMAL START UP The compressor frequency soon after the start up is controlled as shown in the Fig 8 Fig 8 Compressor Control at Start up Time Time Time Time Time Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Frequency Time Time Time Time Time AO G24LFL 70sec 180sec 320sec 500sec...

Страница 13: ...n Operation 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 com...

Страница 14: ...ion In the cooling operation mode When the sleep timer is set the setting temperature is increased 1 C It increases the setting temperature 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 decr...

Страница 15: ...EKLY TIMER This timer 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 ...

Страница 16: ...nkle simultaneously Wired remote controller Option If the operation lamp is on press the Start Stop button to turn it off Press the Master Control and Fan Control buttons at the same time for more than two seconds to start the test operation The operation lamp will light up and o1 will be displayed on the set temperature display Release Perform the test operation for 60 minutes Pressing the Start ...

Страница 17: ...peration The FORCED COOLING OPERATION will start as shown in Table14 Manual auto operation OPERATION MODE FAN CONT MODE TIMER MODE SETTING TEMP SETTING LOUVER SWING Table14 Forced cooling operation Cooling Hi Initial Horizontal It is changed follow as setting of remote controller OFF Room Temp is not controlled If cooling operation is set the operation is controlled as shown in Table14 When the po...

Страница 18: ...ng is ended 17 COMPRESSOR PREHEATING Fig 9 Compressor Preheating ON 0 C 2 C OFF 18 10 C HEAT OPERATION The 10 C HEAT operation functions by pressing 10 C HEAT button on the remote controller The 10 C HEAT operation is almost the same operation as below settings Mode Heating Setting temperature 10 C Fan mode AUTO Table15 19 ECONOMY OPERATION The ECONOMY operation functions by pressing ECONOMY butto...

Страница 19: ...pressor integrating operation time Compressor integrating operation time Less than 17 min 17 to 57 min More than 57 min Does not operate 9 C Ta 1 Tn 5 C 5 C Less than 35 min More than 35min Does not operate Integrating defrost Constant monitoring More than 210 min For long continuous operation Less than 10min 1 For intermittent operation 3 C and after 30 minutes if the 3 C More than 210 min For lo...

Страница 20: ...Outdoor heat exchanger temperature Below 9 C Outdoor heat exchanger temperature Below 5 C Compressor integrating operation Over 35 min 2nd and later defrost Integrating defrost Constant monitoring Defrost Indicator Operation lamp 7 sec ON 2 sec OFF Defrost start Tn Tn10 5deg Tn Tnb 2deg However Tn 6 C Compressor OFF count 40 times Less than 10min 1st defrost Compressor integrating operation Over 5...

Страница 21: ... compressor continuous operation more than 10 minutes and compressor operation integrating time lasts for more than 30 minutes OFF Defrost Flow Chart Heating operation stop Outdoor heat exchanger temperature Below 4 C Compressor continuous operation Over 10 minutes Compressor integrating operation Over 30 minutes Defrost start Defrost Indicater Operation lamp 7 sec ON 2 sec OFF Outdoor heat exchan...

Страница 22: ...equency is controlled so that the outdoor unit input current does not exceeds the current limit velue 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 20 1 Current Release Operation Value Release Value for AO G24LFL LFCC 30LFT 01 18 Heating OT Outdoo...

Страница 23: ...tects the temperature lower than Temperature Then the anti freezing control is released when it becomes higher than Temperature Table 21 Anti freezing Protection Operation Release Temperature Outdoor temperature Over than 10 C 2 or 12 C 1 Less than 10 C 2 or 12 C 1 1 When the temperature rises 2 When the temperature drops 4 C 7 C 13 C Temperature Temperature ...

Страница 24: ...decreased 25rps 24L 15rps 30L every 120seconds 6 COMPRESSOR TEMPERATURE PROTECTION When the compressor temperature sensor detects higher than 110 C 24L 108 C 30L the compressor is stopped The protection is released when the compressor temperature sensor detects 80 C after 3 minutes of compressor stop 7 HIGH PRESSURE PROTECTION When the pressure switch becomes OFF Open higher than 4 2 MPa the compr...

Страница 25: ...2 TROUBLE SHOOTING R410A WALL MOUNTED type INVERTER ...

Страница 26: ...scharge Thermistor Error Heat Ex Liquid Outlet Thermistor Error Outdoor Thermistor Error Compressor Thermistor Error Please refer the flashing pattern as follows Indoor Unit AS G24 30LFCA 24LFCC The OPERATION TIMER ECONOMY lamps operate as follows according to the error contents 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Continuous 8 times 4 times Current Sensor Error Continuous 8...

Страница 27: ...ized 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 se...

Страница 28: ...n Manual or Data Technical Manual Check connection condition in control unit If there is loose connector open cable or mis wiring Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC216V AC240V 10 264V AC240V 10 appears at outdoor unit terminal L N When the indoor unit cannot receive the serial signal from Outdoor unit more than 2minutes after power ON or t...

Страница 29: ...2 Check connection Check any loose or removed connection line of between indoor unit and outdoor unit If there is an abnormal condition correct it by referring to Installation Manual or Data Technical Manual Check connection condition in control unit If there is loose connector open cable or mis wiring Check Point 3 Check the voltage of power supply Check the voltage of power supply Check if AC216...

Страница 30: ...e 3 Controller PCB failure Check correct the followings Check the connection of terminal between Wired Remote Controller and indoor unit and check if there is a disconnection of the cable When the indoor unit cannot properly receive the signal from Wired Remote Controller for 1 minute or more 02 05 Refer to error code table If it is DC12V Remote Control is failure Controller PCB is normal Replace ...

Страница 31: ... Check if there is any equipment that causes harmonic wave near the 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 volta...

Страница 32: ...ds 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 ON OFF switching operation by using a meter If Manual Auto Switch is disabled on off switching replace it Check Point 2 Replace Controller PCB and Indicator PCB If Check Point 1 do not improve the symptom replace Controller PCB and ...

Страница 33: ...mistor cable is open Reset Power when reinstalling due to removed connector or incorrect wiring 6 5 8 0 10 0 12 5 15 8 20 2 25 9 33 6 3 59 4 35 5 3 Resistance value k OK OK Check Point 3 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the check oper...

Страница 34: ...nector or incorrect wiring OK Check Point 2 Remove connector and check Thermistor resistance value OK Check Point 3 Check voltage of Controller PCB DC5 0V Make sure circuit diagram of each indoor unit and check terminal voltage at Thermistor DC5 0V If the voltage does not appear replace Controller PCB and execute the check operation again DC BLACK BLACK BLACK BLACK 1 2 1 2 CN3 CN1 1 2 3 1 2 3 RED ...

Страница 35: ...tate 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 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 t...

Страница 36: ... 1 3 do not improve the symptom 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 ...

Страница 37: ... 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 19 If the Fan Motor is failure replace it Check Point 4 Check Compressor PARTS INFORMATION 2 Check Compressor If Check Point 1 5 do not improve the symptom c...

Страница 38: ...nector 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 the voltage does not appear replace Main PCB 02 13 Refer to error code table BLACK BLACK BLACK BLACK BRO...

Страница 39: ...ltage of Main PCB DC5 0V Make sure circuit diagram of outdoor unit and check terminal voltage at thermistor DC5 0V If the voltage does not appear replace Main PCB 02 14 Refer to error code table 17 8 26 3 20 40 0 62 6 79 1 101 130 169 Resistance value k 15 10 5 0 Temperature C 12 3 30 50 40 60 2 00 3 43 4 60 6 27 8 70 Resistance value k 120 100 90 80 70 Temperature C BLACK BLACK BLACK BLACK BROWN ...

Страница 40: ...lue 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 the voltage does not appear replace Main PCB 02 15 Refer to error code table 3 11 35 12 4 5 BLACK BLACK BLACK BLACK BROWN BROWN BLACK BLACK Therm...

Страница 41: ...heck 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 the voltage does not appear replace Main PCB 02 16 Refer to error code table BLACK BLACK BLACK BLACK BROWN BROWN BLA...

Страница 42: ...e 1 Defective connection of electric components 2 External 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 h...

Страница 43: ...ics failure 3 Main PCB failure When pressure switch open is detected in 10 seconds after the power is turned on Connector and wiring connection state check Cable open check Check Point 2 Check the high pressure switch characteristics Switch characteristics check For the characteristics of high pressure switch refer to below OK Check Point 3 Replace Main PCB Change Main PCB and execute the check op...

Страница 44: ...ressor 1 Outdoor unit fan operation defective foreign matter on hear exchanger excessive rise of ambient temperature 2 Main PCB 3 Inverter compressor failure lock winding short 4 Transistor PCB IPM failure 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 compress...

Страница 45: ...tor or mis wiring reset the power Refer to PARTS INFORMATION 2 For Compressor Terminal Main PCB While running the compressor 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 permanently Check P...

Страница 46: ...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 ro...

Страница 47: ...tion is not proper replace 4 way valve OK OK Check Point 4 Replace Main PCB If Check Point 1 3 do not improve the symptom replace Main PCB Check Point 2 Check thermistor of Indoor unit Isn t it fallen off the holder Is there a cable pinched Check characteristics of thermistor Refer to Trouble shooting 6 7 If defective replace the thermistor Indoor unit Controller PCB Heat exchanger temperature the...

Страница 48: ...heck Point 2 Check the EEV strainer Check Point 5 Check the refrigerant amount Leak check EEV open Strainer clogging check Refer to PARTS INFORMATION 3 Check Point 2 Check the EEV strainer If the 3 way valve gas side was closed open the 3 way valve gas side and check operation 02 23 Check Point 1 Check if 3 way valve liquid side is open If the 3 way valve liquid side was closed open the 3 way valv...

Страница 49: ...TION 5 Check Point 2 Check the EEV strainer Check Point 5 Check the refrigerant amount Leak check EEV open Strainer clogging check Refer to PARTS INFORMATION 3 Check Point 2 Check the EEV strainer If the 3 way valve gas side was closed open the 3 way valve gas side and check operation 02 24 Check Point 1 Check if 3 way valve liquid side is open If the 3 way valve liquid side was closed open the 3 ...

Страница 50: ... 23 OUTDOOR UNIT Error Method Low Pressure Error Indicate or Display Refer to error code table EEV operation check Strainer not clogged Refer to PARTS INFORMATION 3 Check Point 4 Check the EEV strainer clogging EEV operation check Strainer not clogged Refer to PARTS INFORMATION 3 Check Point 2 Check the EEV strainer clogging Check Point 2 Check the outdoor unit ambient temperature Outdoor ambient ...

Страница 51: ...ive 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 26 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 AC216 264V appears ...

Страница 52: ... 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 grounding Check the voltage of power supply Check if AC216 264V appear...

Страница 53: ...cal Manual Turn off Power and check correct followings Is there loose or 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 ...

Страница 54: ...ts that obstruct the 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 clo...

Страница 55: ...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...

Страница 56: ...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...

Страница 57: ...ring Check winding resistance of each terminal If the resistance value is 0 or infinite replace Compressor If Check Point 1 2 do not improve the symptom replace Main PCB U R RED V S WHITE W C T BLACK Transistor PCB IPM Check connection of Transisitor PCB IPM Loose or incorrect wiring TM303 TM304 TM305 RED WHITE BLACK Compressor Transistor PCB IPM Resistance Value 0 921 at 25 C AO G24LFL LFCC Resis...

Страница 58: ...n of connector 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 it has a temp difference between Inlet and Outlet If it is open...

Страница 59: ...oltage 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 Circuit...

Страница 60: ...utput voltage 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...

Страница 61: ...de and measure 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 Teste...

Страница 62: ... Check Voltage from Main PCB With the connector connected to the PCB measure the voltage between CN91 terminal 3 4 of the Main PCB DC DC Characteristics of pressure sensor 4 5 5 0 0 5 0 Output DCV Pressure MPa 1 2 3 4 1 2 3 4 WHITE PRESSURE SENSOR BLACK RED PS CN91 2 5 2 5 ...

Страница 63: ......

Страница 64: ...3 APPENDING DATA R410A WALL MOUNTED type INVERTER ...

Страница 65: ...ct 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 Setting the Cooling Room Tempe...

Страница 66: ... Setting Value A B C D 44 00 01 02 03 1 6 Setting the 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 Setting the External input control Operation Stop mode or Forced stop mode can be elected If setting value i...

Страница 67: ...etting Value Press the FAN button again to return to the Function Number selection Selecting the Function Number and Setting Value 6 Press the START STOP button It makes a signal to indoor unit Indoor unit run the setting 7 Press the RESET button to cancel the function setting mode 8 After completing the FUNCTION SETTING be sure to turn of the power and turn it on again CAUTION After turning off t...

Страница 68: ...e setting of Fanction Number and Setting Value after setting custom code in remote controller please set custom code in remote controller again The remote control unit resets to signal code A when the batteries in the remote control unit are replaced If you use a signal code other than signal code A reset the signal code after replacing the batteries If you do not know the air conditioner signal c...

Страница 69: ...24LFCA 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AS G24LFCA Measure the low pressure with the pressure meter at the service valve Measure the outdoor unit overall current with the current clamp meter at Power Cable 03 05 0 5 0 6 0 7 0 8 0 9 1 0 1 1 16 18 20 22 24 26 28 30 32 Low pressure of outdoor unit MPa 50Hz 240V RH70 RH60 RH50 In Outdoor ambient temperature C 7 0 7 5 8...

Страница 70: ... Curve AS G24LFCA 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve outdoor unit overall current with the current clamp meter at Power Cable length 03 06 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 0 2 4 6 8 10 12 14 High pressure of outdoor unit MPa 50Hz 240V Outdoor ambient temperature C 8 0 8 5 9 0 9 5 10 0 10 5 11 0 11 5 12 0 50Hz 240V 23 C 20 C 15 C Indoor ambient temperature ...

Страница 71: ...ton of remote control 2 Operate continuously for 30 minutes After 60 minutes of operation Test mode is released automatically 1 Indoor Outdoor Temperature Outdoor Low Pressure Curve AS G30LFCA 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve AS G30LFCA Measure the low pressure with the pressure meter at the service valve Measure the outdoor unit overall current with the current cl...

Страница 72: ...TEST button of remote control 2 Operate continuously for 30 minutes After 60 minutes of operation Test mode is released automatically 1 Indoor Outdoor Temperature Outdoor High Pressure Curve AS G30LFCA 2 Indoor Outdoor Temperature Outdoor Total Electric Current Curve outdoor unit overall current with the current clamp meter at Power Cable length 03 08 2 4 2 5 2 6 2 7 2 8 2 9 3 0 3 1 3 2 3 3 3 4 0 ...

Страница 73: ...104 0 113 0 122 0 131 0 140 0 149 0 158 0 167 0 176 0 185 0 194 0 203 0 212 0 221 0 230 0 239 0 248 0 30 0 25 0 20 0 15 0 10 0 5 0 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 75 0 80 0 85 0 90 0 95 0 100 0 105 0 110 0 115 0 120 0 Discharge thermistor Voltage V Resistance K Tempe F Tempe C 22 0 13 0 4 0 5 0 14 0 23 0 32 0 41 0 50 0 59 0 68 0 77 0 86 0 95 0 104 0 113 0 1...

Страница 74: ... 55 0 60 0 65 0 70 0 75 0 80 0 Outdoor heat exchanger thermistor Voltage V Resistance K Tempe F Tempe C Outdoor Temprature thermistor Voltage V Resistance K Tempe F Tempe C 0 00 40 00 80 00 120 00 160 00 200 00 30 00 10 00 10 00 30 00 50 00 Characteristics of outdoor temperature thermistor Resistance k Temperature F C 22 14 50 86 122 95 58 0 24 224 33 0 73 159 71 0 97 115 24 1 25 84 21 1 56 62 28 ...

Страница 75: ...1116 Suenaga Takatsu ku Kawasaki 213 8502 Japan Oct 2012 Printed in Japan ...

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