Related Manuals for Fujitsu ARG60LHTA
Summary of Contents for Fujitsu ARG60LHTA
- Page 1 SPLIT TYPE ROOM AIR CONDITIONER DUCT type INVERTER SERVICE INSTRUCTION Models Indoor unit Outdoor unit AR* G60LHTA AO* G60LATT R410A AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk...
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Page 2: Table Of Contents
CONTENTS 1. SPECIFICATIONS 1. DESCRIPTION OF EACH CONTROL OPERATION 1-1 COOLING OPERATION.................... 01-01 1-1-1 COOLING CAPACITY CONTROL..............01-01 1-2 HEATING OPERATION..................... 01-02 1-2-1 HEATING CAPACITY CONTROL..............01-02 1-3 DRY OPERATION...................... 01-03 1-3-1 INDOOR UNIT CONTROL................. 01-03 01-04 1-4 AUTO CHANGEOVER OPERATION................ 1-5 INDOOR FAN CONTROL.................. -
Page 3: Description Of Each Control Operation
R410A DUCT type INVERTER 1 . DESCRIPTION OF EACH CONTROL OPERATION AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk... -
Page 4: Cooling Operation
1. DESCRIPTION OF EACH CONTROL OPERATION 1-1. COOLING OPERATION 1-1-1 COOLING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. * If the room temperature is 2°C higher than a set temperature, the compressor operation frequency will attain to maximum performance. -
Page 5: Heating Operation
1-2. HEATING OPERATION 1-2-1 HEATING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. * If the room temperature is lower 3°C than a set temperature, the compressor operation frequency will attain to maximum performance. -
Page 6: Dry Operation
1-3. DRY OPERATION 1-3-1 INDOOR UNIT CONTROL The compressor rotation frequency shall change according to set temperature and room temperature variation which the room temperature sensor of the indoor unit has detected as shown in the Table 3. ( Table 3 : Compressor frequency ) Operating frequency X zone... -
Page 7: Auto Changeover Operation
1-4. AUTO CHANGEOVER OPERATION When the air conditioner is set to the Auto mode by remote controller, operation starts in the optimum mode from among the Heating, Cooling, Dry and Monitoring mode. During operation, the optimum mode is automatically switched in accordance with temperature changes. The temperature can be set between 18°C and 30°C in 1°C steps. - Page 8 AUTO CHANGEOVER operation flow chart START Setting temperature Room temp. Ts+2 °C Room temp. Ts -2 °C Middle zone Operation mode of COOLING (AUTO:DRY) HEATING OPERATION outdoor unit : Cooling or Dry? OPERATION Thermostat remains Thermostat remains Operation mode of in OFF state for 6 minutes or in OFF state for 6 minutes or outdoor unit : Heating?
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Page 9: Indoor Fan Control
1-5. INDOOR FAN CONTROL 1. Fan speed ( Table 5 : Standard of Indoor Fan Speed ) AR* G60LHTA (Static pressure : 60Pa (Standard)) Operation Air flow Speed Operation Air flow Speed mode mode moter (rpm) mode mode moter (rpm) Heating 1090 1090... - Page 10 4. HEATING OPERATION Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature, as shown in Fig. 7. On the other hand, if switched in [Hi] ~ [Lo], the indoor motor will run at a constant airflow of [Heat] operation modes Lo, Me, Hi, as shown in Table 5.
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Page 11: Outdoor Fan Control
1-6. OUTDOOR FAN CONTROL 1. Outdoor Fan Motor Following table shows the fan speed of the outdoor unit. ( Table 6 : Fan speed of the outdoor unit ) Cooling / Dry Heating 900/800, 850/800, 780/750 900/900, 870/840, 780/750 Upper fan AO* G60LATT 520/520, 350/350, 280/280 520/520, 350/350, 200/200... -
Page 12: Compressor Control
1-7. COMPRESSOR CONTROL 1. OPERATION FREQUENCY RANGE The operation frequency of the compressor is different based on the operation mode as shown in Table 7. (Table 7 : Compressor Operation Frequency Range) Cooling Heating AO* G60LATT 15rps 78rps 18rps 85rps 41rps 2. -
Page 13: Timer Operation Control
1-8. TIMER OPERATION CONTROL AR-WAE1E ON / TIMER OFF / TIMER WEEKLY TIMER TEMPERATURE SET BACK TIMER 1. ON / OFF TIMER OFF timer : When the clock reaches the set time, the air conditioner will be turned off. Operation mode Stop mode Set time of timer ON timer : When the clock reaches the set time, the air conditioner will be turned on. - Page 14 2-2. DAY OFF setting The DAY OFF setting is only available for days for which weekly settings already exist. If the operating time carries over to the next day (during a next day setting), the effective DAY OFF range will be set as shown below. Normal DAY OFF Operation mode...
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Page 15: Electronic Expansion Valve Control
1-9. ELECTRONIC EXPANSION VALVE CONTROL The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the following values. The compressor frequency, the temperatures detected by the discharge temperature sensor and the outdoor temperature sensor. The pulse range of the electronic expansion valve control is 50~ 480 pulses (Cooling), 40~ 480 pulses (Heating). -
Page 16: Pump Down
1-14. PUMP DOWN Operate [PUMP DOWN] switch on the display board. < PUMP DOWN Procedure > (1) Confirm that power is off, and open the service panel. (2) Turn the power on. : Light OFF : Light ON TEST PUMP POWER LOW NOISE PEAK CUT... -
Page 17: Compressor Preheating
1-15. COMPRESSOR PREHEATING When the outdoor temperature is lower than 20°C and the all operation mode has been stopped for 30 minutes, power is applied to the compressor and the compressor is heated. (By heating the compressor, warm air is quickly discharged when operation is started.) When operation was started and when the outdoor temperature rises to 26°C or greater, preheating is ended. - Page 18 3. Defrost Flow Chart The defrosting shall proceed by the integrating operation time, outdoor temperature and outdoor heat exchanger temperature as follows. Heating operation start : Compressor ON (Not defrosted for 10 minutes) Integrating defrost 1st defrost 2nd and later defrost (Constant monitoring) Compressor Compressor...
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Page 19: Off Defrost Operation Control
1-18. OFF DEFROST OPEARTION CONTROL When operation stops in the [Heating operation] mode, if frost is adhered to the outdoor unit heat exchanger, the defrost operation will proceed automatically. In this time, if indoor unit operation lamp flashes slowly (7 sec ON / 2 sec OFF), the outdoor unit will allow the heat exchanger to defrost, and then stop. -
Page 20: Various Protections
1-19. VARIOUS PROTECTIONS 1. DISCHARGE GAS TEMPERATURE OVERRISE PREVENTION CONTROL The discharge gas thermosensor (discharge thermistor : Outdoor side) will detect discharge gas temperature. When the discharge temperature becomes higher than Temperature ,the compressor frequency is decreased 10rps, and it continues to decrease the frequency for 10rps every 120 seconds until the temperature becomes lower than Temperature . - Page 21 2. CURRENT RELEASE CONTROL The compressor frequency is controlled so that the outdoor unit input current does not exceeds 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.
- Page 22 3. ANTIFREEZING CONTROL (Cooling and Dry mode) The compressor frequency is decrease on cooling & dry mode when the indoor heat exchanger temperature sensor detects the temperature lower than Temperature . Then, the anti-freezing control is released when it becomes higher than Temperature . (Table 17 : Anti-freezing Protection Operation / Release Temperature) Outdoor temperature Temperature...
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Page 23: Compressor Stop Control
6. HEATING OVERLOAD PROTECTION On heating mode, the compressor frequency is controlled as following based on the detection value of the pressure sensor. (Fig.13 : Heating Overload Protection Control) Condensing pressure (Indoor heat ex. temp.) Compressor is OFF 4.1MPa (65°C) The compressor frequency is decreased 7rps every 60 seconds. -
Page 24: External Electrical Heater Control
1-22. EXTERNAL ELECTRICAL HEATER CONTROL The External Electrical Heater operates when it meets all the following conditions. Model type : Heat pump Operation mode : Heating mode Compressor : ON Indoor fan : ON (Fig 15 : External Electrical Heater control) When the room temperature rises Heater : OFF... -
Page 25: Peak Cut Operation
1-24. PEAK CUT OPERATION The Current Value is limited to reduce the power consumption by External Input. During the PEAK CUT OPERATION, "CURRENT OVERLOAD OPERATION", "ECONOMY OPERATION" and "LOW NOISE OPERATION" are effective, and the outdoor unit operates by lowest current of them. However, this function becomes invalid during DEFROST OPERATION. -
Page 26: Description Of Display Unit
1-25. DESCRIPTION OF DISPLAY UNIT 1-25-1 Layout of Display Unit Various settings can be adjusted by changing Dip switches and Push switches on the board of the outdoor unit. • ( Excerpt from the "INSTALATION MANUAL" ) LED DISPLAY (2) (3) (4) SW1 (DIP-SW) PUSH SWITCH Display lamp... - Page 27 1-25-2 Display mode In this mode, the "Operation Condition" and "Error Code" can be displayed by Push Switch on outdoor unit PCB • (Table :21 Display pattern) Power / Mode Display Item L1 L2 L3 L4 Compressor frequency Upper fan speed (Outdoor unit) Lower fan speed (Outdoor unit) EEV pulse Present Value...
- Page 28 (Table 23 : Detail of LED Display Data) : Light OFF : Light ON 1 : 1 Time Blinking Power Error Item No, Display Item Mode Compressor 1 ~ 15 Frequency 16 ~ 30 ( 0 ~ 95rps ) 31 ~ 45 46 ~ 60 61 ~ 75 76 ~ 90...
- Page 29 : Light OFF : Light ON 1 : 1 Time Blinking Power Item No, Error Display Item Mode ~ -15 Outdoor Air -15 ~ -5 Temperature -5 ~ 5 ( -30 ~ 70°C ) 5 ~ 15 15 ~ 25 25 ~ 35 35 ~ 45 45 ~...
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Page 30: Error History Mode
1-25-3 Error history mode • In this mode, the history of abnormality that occurred in the past can be confirmed. (Table : 24 Procedure for History Mode ) Power Procedure Operation Error Mode During status display, press the MODE SWITCH 2 times. (Status display : Outdoor unit is stopping and no error) When the POWER / MODE LED blinking 2 times, press the ENTER SWITCH. - Page 31 1-25-4 ERROR CHECK MODE In this mode, abnormality that is occurring now can be confirmed. • (Table : 26 Procedure for Error Check Mode ) n : n Times Blinking : Light OFF : Light ON 2 : 2 Times Blinking Power Procedure Operation...
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Page 33: Trouble Shooting
R410A DUCT type INVERTER 2 . TROUBLE SHOOTING AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk... -
Page 34: Error Display
2-1 ERROR DISPLAY 2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY 1. SELF - DIAGNOSIS When "Er" in Temperature Display is displayed, inspection of the air conditioning system is necessary. Please consult authoilzed service personnel. Unit number (usually 0) Error code SU MO TU WE TH FR SA ex. - Page 35 2. ERROR CODE HISTORY DISPLAY Up to 16 memorized 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. Error code Error history number SU MO TU WE TH FR SA...
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Page 36: Trouble Shooting With Error Code
2-2 TROUBLE SHOOTING WITH ERROR CODE Trouble shooting 1 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Serial Communication Error (Serial Reverse Transfer Error) Detective Actuators: Detective details: When the indoor unit cannot receive the serial signal from Outdoor unit Outdoor unit Main PCB more than 2minutes after power ON, or the indoor unit cannot receive Outdoor unit Fan motor... - Page 37 Trouble shooting 2 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Serial Communication Error (Serial Forward Transfer Error) Detective Actuators: Detective details: When the outdoor unit cannot properly receive the serial signal from Indoor unit Controller PCB indoor unit for 10 seconds or more.
- Page 38 Trouble shooting 3 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Wired Remote Controller Communication Error Detective Actuators: Detective details: Indoor unit Controller PCB When the indoor unit cannot properly receive the signal from Wired Remote Controller (Option) Wired Remote Controller for 1 minute or more.
- Page 39 Indicate or Display: Trouble shooting 4 INDOOR UNIT Error Method: Refer to error code table. Fan Motor Drive Circuit Error Detective Actuators: Detective details: When a momentary power cut off. Indoor Unit Power Supply PCB When do not start fan motor. Forecast of Cause : 1.
- Page 40 Trouble shooting 5 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor Room Thermistor Error Detective details: Detective Actuators: Indoor Unit Controller PCB Circuit Indoor unit thermistor is open or short is detected always. Indoor Temperature Thermistor Forecast of Cause : 1.
- Page 41 Trouble shooting 6 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor Heat Ex. Thermistor Error Detective Actuators: Detective details: Indoor Unit Controller PCB Indoor unit thermistor is open or short is detected always. Heat Exchanger (MID) Thermistor Forecast of Cause : 1.
- Page 42 Trouble shooting 7 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor Unit Fan Motor1 Error Detective Actuators: Detective details: When the condition that actual frequency of Indoor Fan is Indoor unit Power Supply PCB below 1/3 of target frequency is continued more than 56 seconds. Indoor unit fan motor Forecast of Cause: 1.
- Page 43 Indicate or Display: Trouble shooting 8 INDOOR UNIT Error Method: Refer to error code table. Drainage Error Detective details: Detective Actuators: Indoor Unit Controller PCB Circuit When Float switch is ON for more than 3 minutes. Float Switch Forecast of Cause : 1. Float switch failure 2. Shorted connector/wire 3. Controller PCB failure 4.
- Page 44 Trouble shooting 9 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor Unit Fan Motor2 Error Detective Actuators: Detective details: When the condition that actual frequency of Indoor Fan is Indoor unit Power Supply PCB below 1/3 of target frequency is continued more than 56 seconds. Indoor unit fan motor Forecast of Cause: 1.
- Page 45 Indicate or Display: Trouble shooting 10 OUTDOOR UNIT Error Method: Refer to error code table. Inverter Error Detective Actuators: Detective details: Inverter PCB Error information received from Inverter PCB Forecast of Cause : 1. External cause. 2. Power supply to Filter PCB to Inverter PCB wiring disconnection, open 3.
- Page 46 Trouble shooting 11 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. IPM Error Detective Actuators: Detective details: When more than normal operating current to IPM in Main PCB flows, Outdoor unit Main PCB the compressor stops. Compressor After the compressor restarts, if the same operation is repeated within 40sec, the compressor stops again.
- Page 47 Indicate or Display: Trouble shooting 12 OUTDOOR UNIT Error Method: Refer to error code table. Discharge Thermistor Error Detective Actuators: Detective details: Discharge temperature thermistor short detected Discharge temperature thermistor Discharge thermistor open detected Forecast of Cause : 1. Connector connection failure, open 2.
- Page 48 Indicate or Display: Trouble shooting 13 OUTDOOR UNIT Error Method: Refer to error code table. Compressor Thermistor Error Detective Actuators: Detective details: Compressor temperature thermistor short detected Compressor temperature thermistor Compressor thermistor open detected Forecast of Cause : 1. Connector connection failure, open 2.
- Page 49 Indicate or Display: Trouble shooting 14 OUTDOOR UNIT Error Method: Refer to error code table. Heat Ex. Liquid Temp. Thermistor Error Detective Actuators: Detective details: Heat exchanger liquid temperature thermistor short or open detected Heat exchanger outlet temp. thermistor Heat exchanger middle temp. thermistor Forecast of Cause : 1.
- Page 50 Indicate or Display: Trouble shooting 15 OUTDOOR UNIT Error Method: Refer to error code table. Outdoor Thermistor Error Detective Actuators: Detective details: Outdoor temperature thermistor short or open detected Outdoor temperature thermistor Forecast of Cause : 1. Connector connection defective, open 2.
- Page 51 Indicate or Display: Trouble shooting 16 OUTDOOR UNIT Error Method: Refer to error code table. Heat Sink Thermistor Error Detective Actuators: Detective details: Heat sink temperature thermistor short or open detected Heat Sink temperature thermistor (INV) Heat Sink temperature thermistor (PFC) Forecast of Cause : 1.
- Page 52 Trouble shooting 17 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Current Sensor Error Detective Actuators: Detective details: When Input Current Sensor has detected 0A, while Inverter Compressor is Outdoor unit Main PCB operating at higher than 56rps, after 1minute upon starting the Compressor. (Except during the defrost operation) Forecast of Cause : 1.
- Page 53 Trouble shooting 18 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Pressure sensor error Detective Actuators: Detective details: 30 seconds or more after power-on, when pressure sensor detection Outdoor unit Main PCB value detects the condition below continuously for 30 seconds or more. Pressure sensor >...
- Page 54 Trouble shooting 19 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Over Current Error Detective details: Detective Actuators: "Protection stop by overcurrent generation after inverter compressor start Outdoor unit Main PCB processing completed'' generated consecutively 10 times. Compressor * The number of generations is reset if the start-up of Inverter PCB...
- Page 55 Trouble shooting 20 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Compressor Control Error Detective details: Detective Actuators: While running the compressor, if the detected rotor location is out of Outdoor unit Main PCB phase with actual rotor location more than 90°, Compressor the compressor stops.
- Page 56 Trouble shooting 21 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Outdoor Unit Fan Motor 1 Error Detective Actuators: Detective details: When outdoor fan rotation speed is less than 100rpm in 20 seconds Outdoor unit Main PCB after fan motor starts, fan motor stops.
- Page 57 Trouble shooting 22 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Outdoor Unit Fan Motor 2 Error Detective Actuators: Detective details: When outdoor fan rotation speed is less than 100rpm in 20 seconds Outdoor unit Main PCB after fan motor starts, fan motor stops.
- Page 58 Trouble shooting 23 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. 4-Way Valve Error Detective Actuators: Detective details: When the indoor heat exchanger temperature is compared with Indoor Unit Controller PCB Circuit the room temperature, and either following condition is detected Heat Exchanger Temperature Thermistor continuously two times, the compressor stops.
- Page 59 Trouble shooting 24 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Discharge Temp. Error Detective details: Detective Actuators: "Protection stop by "discharge temperature °C during compressor Discharge temperature thermistor operation'''' generated 2 times within 24 hours. Forecast of Cause : 1.
- Page 60 Indicate or Display: Trouble shooting 25 OUTDOOR UNIT Error Method: Refer to error code table. Compressor Temp. Error Detective Actuators: Detective details: Compressor temperature thermistor "Protection stop by "compressor temperature" 110°C during compressor operation""generated 2 times within 24 hours Forecast of Cause : 1.
- Page 61 Indicate or Display: Trouble shooting 26 OUTDOOR UNIT Error Method: Refer to error code table. Low Pressure Error Detective details: Detective Actuators: Suction pressure sensor "Protection stop by suction pressure 0.02MPaG continued for 5 minutes" repeats 5 times within 2 hours. Forecast of Cause : 1.
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Page 62: Trouble Shooting With No Error Code
2-3 TROUBLE SHOOTING WITH NO ERROR CODE Forecast of Cause: Trouble shooting 27 1. Power Supply failure 2. External cause Indoor Unit - No Power 3. Electrical Components defective Check Point 1 : Check Installation Condition Isn’t the breaker down? Check loose or removed connection cable. - Page 63 Forecast of Cause: Trouble shooting 28 1. Power Supply failure 2. External cause Outdoor Unit - No Power 3. Electrical Components defective Check Point 1 : Check Installation Condition Isn’t the breaker down? Check loose or removed connection cable. >>If abnormal condition is found, correct it by referring to Installation Manual or Data &...
- Page 64 Forecast of Cause: Trouble shooting 29 1. Setting/ Connection failure 2. External cause No Operation (Power is ON) 3. Electrical Component defective Check Point 1 : Check indoor and outdoor installation condition Indoor Unit - Check incorrect wiring between Indoor Unit - Remote Control. Or, check if there is an open cable connection.
- Page 65 Forecast of Cause: Trouble shooting 30 1. Indoor Unit error 2. Outdoor Unit error No Cooling / No Heating 3. Effect by Surrounding environment 4. Connection Pipe / Connection Wire failure 5. Refrigeration cycle failure Check Point 1 : Check Indoor Unit Does Indoor Unit FAN run on HIGH FAN? Is Air Filter dirty? Is Heat Exchanger clogged?
- Page 66 Forecast of Cause : Trouble shooting 31 1. Abnormal installation (Indoor/ Outdoor) Abnormal Noise 2. Fan failure (Indoor/ Outdoor) 3. Compressor failure (Outdoor) Diagnosis method when Abnormal Noise is occurred Abnormal noise is coming from Indoor Unit. Abnormal noise is coming from Outdoor Unit. (Check and correct followings) (Check and correct followings) Is Main Unit installed in stable condition?
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Page 67: Service Parts Information
2-4 SERVICE PARTS INFORMATION SERVICE PARTS INFORMATION 1 Compressor Diagnosis method of Compressor ( If Outdoor Unit LED displays Error, refer to Trouble shooting ) Abnormal noise Stops soon after starting up Does not start up Is there open or loose connection Is there open or loose connection Check if vibration noise by cable? - Page 68 SERVICE PARTS INFORMATION 2 Inverter Compressor Check Point 1 : Check Connection Check terminal connection of Compressor (loose or incorrect wiring) S(V) C(W) (WHITE) (BLACK) INVERTER PCB TM804 TM805 TM806 Inverter PCB BLACK WHITE Compressor R(U) (RED) Check Point 2 : Check Winding Resistance Check winding resistance of each terminal If the resistance value is 0 or infinite, replace Compressor.
- Page 69 SERVICE PARTS INFORMATION 3 Outdoor unit Electronic Expansion Valve ( EEV ) Check Point 1 : Check Connections Check connection of connector ( Loose connector or open cable ) EXPANSION VALVE COIL BROWN BLUE CN17 ORANGE YELLOW WHITE Check Point 3 : Check Noise at start up Check Point 2 : Check Coil of EEV Remove connector, check each winding Turn on Power and check operation noise.
- Page 70 SERVICE PARTS INFORMATION 4 Indoor unit fan motor Check Point 1 : Check rotation of Fan 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 1 or 2 Refer to below.
- Page 71 SERVICE PARTS INFORMATION 6 Mounted on Inverter PCB) Check Point 1 Disconnect the connection wires between the Inverter PCB - Capacitor PCB and Inverter PCB - Inverter Compressor. Set the tester to the "Resistance" mode, and measure the resistance between the following terminals. TM802 (P) - TM804(U) / TM805(V) / TM806(W) TM803 (N) - TM804(U) / TM805(V) / TM806(W) Judge the result of...
- Page 72 SERVICE PARTS INFORMATION 7 Thermistor Check Point : Check Thermistor resistance value Remove connector and check Thermistor resistance value. Temperature Resistance Value [ k ] [°C] Thermistor A Thermistor B Thermistor C Thermistor D 94.3 - 30 1013.1 95.6 224.3 67.9 - 25 729.1...
- Page 73 SERVICE PARTS INFORMATION 8 Discharge Pressure Sensor 1. Discharge Pressure Sensor Check Point : Check Voltage from Main PCB With the connector connected to the PCB, measure the voltage between CN16:1-3 of the Main PCB. CN16 PRESSURE WHITE SENSOR BLACK Characteristics of pressure sensor Pressure [MPa] AMP Air Conditioning...
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Page 75: Disassembly Process
R410A DUCT type INVERTER 3 . DISASSEMBLY PROCESS AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk... - Page 76 DISASSEMBLY PROCESS MODEL : AR* G60LHTA 1. Appearance FRONT VIEW SIDE VIEW BACK VIEW 2. CONTROL BOX COVER removal screw Hook 1) Remove the mounting screws 2) Remove the control box cover. (4 places). 3. POWER SUPPLY PCB, CONTROLLER PCB and FILTER PCB removal FILTER PCB POWER SUPPLY PCB CONTROLLER PCB...
- Page 77 3-1. POWER SUPPLY PCB removal locking spacers 1) Remove the connectors and each wires. 2) Remove the locking spacers(4 places). 3-2. CONTROLLER PCB removal earth screw locking spacers 1) Remove the connectors and each wires. 2) Remove the earth screw and locking spacers(4 places).
- Page 78 4. FAN MOTOR removal screw screw screw screw 1) Remove the mounting screws(13 places). Tape 3) Peel off the tapes. 2) Remove the PANEL TOP ASSY. Reuse the tape. screw screw 4) Remove the mounting screws(4 places). 5) Pull the CASING. MOTOR SHAFT 6) Loosen the MOTOR SHAFT screw.
- Page 79 hook screw 9) Loosen the screw. 8) Take out the SIROCCO FAN and CASING. Unlock the point. Note at the installation. Please install it so that a motor band touches rubber. Insert SIROCCO FAN and MOTOR SHAFT reference D cutting position. Please insert it till a SIROCCO FAN stop.
- Page 80 6. THERMISTOR removal 6-1 PIPE THERMISTOR screw 3) Remove the 4) Remove the 1) Remove the mounting 2) Remove the PIPE PANEL. THERMISTOR SPRING. THERMISTOR. screws(4 places) 6-2 ROOM THRMISTOR Remove the THERMISTOR. 7. DRAIN PAN removal screw Attention!! When remove the screw, please affix and remove the hand.
- Page 81 1116,Suenaga,Takatsu-ku,Kawasaki 213-8502,Japan Apr. 2013 Printed in Japan AMP Air Conditioning www.ampair.co.uk | sales@ampair.co.uk...