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Fujitsu AS*G24LFCA Service Instruction

Room air conditioner wall mounted type inverter
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SERVICE
INSTRUCTION
R410A
SPLIT TYPE
ROOM AIR CONDITIONER

WALL MOUNTED

INVERTER
Models
Indoor unit
AS*G24LFCA
AS*G24LFCC
AS*G30LFCA
type
Outdoor unit
AO*G24LFL
AO*G24LFCC
AO*G30LFT
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Summary of Contents for Fujitsu AS*G24LFCA

  • Page 1: Wall Mounted

    SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED type INVERTER SERVICE INSTRUCTION Models Indoor unit Outdoor unit AS*G24LFCA AO*G24LFL AS*G24LFCC AO*G24LFCC AS*G30LFCA AO*G30LFT R410A...

  • Page 2: Table Of Contents

    CONTENTS 1. DESCRIPTION OF EACH CONTROL OPERATION 1. COOLING OPERATION....................01-01 2. HEATING OPERATION....................01-02 3. DRY OPERATION......................01-02 4. AUTO CHANGEOVER OPERATION................01-03 5. INDOOR FAN CONTROL....................01-04 6. OUTDOOR FAN CONTROL..................01-06 7. LOUVER CONTROL..................... 01-07 8. COMPRESSOR CONTROL..................01-08 9.

  • Page 4: Description Of Each Control Operation

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

  • Page 5: Cooling Operation

    1. COOLING OPERATION 1-1 COOLING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit body 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 6: Heating Operation

    2. HEATING OPERATION 2-1 HEATING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit body 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 by 3°C than a set temperature, the compressor operation frequency will attain to maximum performance.

  • Page 7: Auto Changeover Operation

    4. AUTO CHANGEOVER OPERATION 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 with temperature changes. The temperature can be set between 18°C and 30°C in 1°C steps.

  • Page 8: Indoor Fan Control

    5. INDOOR FAN CONTROL 1. Fan speed ( Table4 : Indoor Fan Speed ) Speed (rpm) Operation mode Air flow mode AS*G24LFCA(LFCC) AS*G30LFCA 1480 1530 Heating 1320 1320 1220 1220 1020 1020 Quiet Cool air prevention 270 (480) S-Lo Cooling/ Fan...
  • Page 9 Setting air flow Indoor fan (as shown in Table 5) S-Lo (SEC) ( Table5 : Indoor fan speed ) Cooling X zone J zone Y zone AS*G24LFCA / LFCC 860rpm 780rpm 270rpm ( 24LFCC: 480rpm) 860rpm AS*G30LFCA 900rpm 780rpm 270rpm 900rpm...

  • Page 10: Outdoor Fan Control

    6. OUTDOOR FAN CONTROL 1. Outdoor Fan Motor 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 ) AC Motor DC Motor AO*G24LFL / LFCC / 30LFT 2.

  • Page 11: Louver Control

    7. LOUVER CONTROL 1. VERTICAL LOUVER CONTROL (Function Range) Each time the button is pressed, the air direction range will change as follow: : During Heating/ Cooling/ Dry modes , , , , The Remote Controller's display does not change. Use the air direction adjustments within the ranges shown above.

  • Page 12: Compressor Control

    8. COMPRESSOR CONTROL 1. OPEARTION FREQUENCY RANGE The operation frequency of the compressor is different based on the operation mode as shown in the table9. (Table 9 : Compressor Operation Frequency Range) Cooling Heating AO*G24LFL 15rps 95rps 16rps 133rps 18rps 38rps AO*G24 LFCC 13rps...

  • Page 13: Timer Operation Control

    9. TIMER OPEARTION CONTROL 9-1 WIRELESS REMOTE CONTROLLER The table10 shows the available timer setting based on the product model. ( Table 10 : Timer Setting ) ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER AS*G24 / LFCC / 30LFCA 1.
  • Page 14 3. SLEEP TIMER If the sleep is set, the room temperature is monitored and the operation is stopped automatically. If the operation mode or the set temperature is change after the sleep timer is set, the operation is continued according to the changed setting of the sleep timer from that time ON. In the cooling operation mode When the sleep timer is set, the setting temperature is increased 1°C.
  • Page 15 9-2 WIRED REMOTE CONTROLLER (OPTION) The table11 shows the available timer setting based on the product model. ( Table11 : Timer Setting ) ON TIMER / OFF TIMER WEEKLY TIMER TEMPERATURE SET BACK TIMER AS*G24 / LFCC / 30LFCA ON TIMER / OFF TIMER Same to 8-1 1.ON TIMER / OFF TIMER and shown in those.

  • Page 16: Electronic Expansion Valve Control

    10. 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 Table12. The compressor frequency, the temperatures detected by the discharge temperature sensor, the indoor heat exchanger sensor, the outdoor heat exchanger sensor, and the outdoor temperature sensor.

  • Page 17: Auto Restart

    14. AUTO RESTART 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 operation time is shifted by the time the power was interrupted, an alarm is given by blinking (7 sec ON/2 sec OFF) the indoor unit body timer lamp.

  • Page 18: Compressor Preheating

    17. COMPRESSOR PREHEATING When the outdoor heat exchanger temperature is lower than 0°C and the heating operation 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 heat exchanger temperature rises to 2°C or greater, preheating is ended.

  • Page 19: Defrost Operation Control

    20. DEFROST OPERATION CONTROL 1. CONDITION OF STARTING THE DEFROST OPERATION The defrost operation starts when the outdoor heat exchanger temperature sensor (Tn) detects the temperature lower than the values shown in Table17. ( Table 17 : Condition of starting Defrost Operation ) Compressor integrating operation time time defrosting after starting operation...
  • Page 20 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) 1st defrost 2nd and later defrost Integrating defrost (Constant monitoring) Compressor Compressor...

  • Page 21: Off Defrost Operation Control

    21. 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 22: Various Protections

    22. VARIOUS PROTECTIONS 1. DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION 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 20rps (24L) or 10rps (30L), and it continues to decrease the frequency for 20rps (24L) or 10rps (30L) every 120 seconds until the temperature becomes lower than Temperature .
  • Page 23 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 21 : Anti-freezing Protection Operation / Release Temperature ) Outdoor temperature Temperature...

  • Page 24: Compressor Stop Control

    4. COOLING PRESSURE OVERRISE PROTECTION When the outdoor unit heat exchange sensor temperature rises to 67°C or greater, the compressor is stopped and trouble display is performed. 5. HIGH TEMPERATURE AND HIGH PRESSURE RELEASE CONTROL ( HEATING MODE ) On heating mode, the compressor frequency is controlled as following based on the detection value of the indoor heat exchanger temperature sensor.

  • Page 25: Trouble Shooting

    R410A WALL MOUNTED type INVERTER 2 . TROUBLE SHOOTING...

  • Page 26: Error Display

    2-1 ERROR DISPLAY 2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY 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. Indoor Unit Display Wired Remote Trouble Controller...

  • Page 27: Wired Remote Controller Display (Option)

    2-1-2 WIRED REMOTE CONTROLLER DISPLAY (OPTION) 1. SELF - DIAGNOSIS When " " in Temperature Display is displayed, inspection of the air conditioning system is necessary. Please consult authoilzed servise personnel. Unit number (usually 0) Error code SU MOTU WETH FR SA ex.

  • Page 28: 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 29 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 30 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 for 1 minute or more. Wired Remote Controller (Option) Forecast of Cause: 1.
  • Page 31 Trouble shooting 4 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor Unit Model Information Error EEPROM Access Abnormal Detective details: Detective Actuators: When power is on and there is some below case. Indoor unit Controller PCB 1.
  • Page 32 Indicate or Display: Trouble shooting 5 INDOOR UNIT Error Method: Refer to error code table. Manual Auto Switch Error Detective Actuators: Detective details: Indoor Unit Controller PCB When the Manual Auto Switch becomes ON for consecutive 30 or Indicator PCB more seconds.
  • Page 33 Trouble shooting 6 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor Room Thermistor Error Detective details: Detective Actuators: Indoor unit Controller PCB Room temperature thermistor is open or short is detected always. Room temperature thermistor Forecast of Cause : 1.
  • Page 34 Trouble shooting 7 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 Heat exchanger (MID) thermistor is open or short is detected always. Heat exchanger (MID) Thermistor Forecast of Cause : 1.
  • Page 35 Trouble shooting 8 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor unit Fan Motor Error Detective Actuators: Detective details: When the condition that actual frequency of Indoor Fan is Indoor unit Controller PCB below 1/3 of target frequency is continued more than 56 seconds. Indoor unit fan motor Forecast of Cause: 1.
  • Page 36 Trouble shooting 9 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. A.F Voltage Error Detective Actuators: Detective details: Outdoor unit Main PCB When inverter input DC voltage is higher than 425V or Active filter module lower than 80V. When a momentary power cut off occurred on low voltage Forecast of Cause : 1.
  • Page 37 Indicate or Display: Trouble shooting 10 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 38 Trouble shooting 11 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Discharge Thermistor Error Detective Actuators: Detective details: Outdoor unit Main PCB When Discharge pipe temperature thermistor open or short-circuit Discharge pipe temperature thermistor is detected at power ON or while running the compressor. Forecast of Cause : 1.
  • Page 39 Trouble shooting 12 Indicate or Display: OUTDOOR UNIT Error Method: Compressor Thermistor Error Detective Actuators: Detective details: Outdoor unit Main PCB When Compressor temperature thermistor open or short-circuit Compressor temperature thermistor is detected at power ON or while running the compressor. Forecast of Cause : 1.
  • Page 40 Trouble shooting 13 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Heat Ex. Liquid Outlet Thermistor Error Detective Actuators: Detective details: Outdoor unit Main PCB When Heat exchanger temperature thermistor open or Heat exchanger temperature thermistor short-circuit is detected at power ON or while running the compressor.
  • Page 41 Trouble shooting 14 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Outdoor Thermistor Error Detective Actuators: Detective details: Outdoor unit Main PCB When Outdoor temperature thermistor open or short-circuit Outdoor temperature thermistor is detected at power ON or while running the compressor. Forecast of Cause : 1.
  • Page 42 Trouble shooting 15 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.
  • Page 43 Trouble shooting 16 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. High Pressure Switch Error Detective Actuators: Detective details: When pressure switch open is detected in 10 seconds Outdoor unit Main PCB after the power is turned on. High Pressure Switch Forecast of Cause : 1.
  • Page 44 Trouble shooting 17 Indicate or Display: OUTDOOR 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 Transistor PCB (IPM)
  • Page 45 Trouble shooting 18 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 46 Trouble shooting 19 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Outdoor Unit Fan Motor 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 47 Trouble shooting 20 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 the room temperature, and either following condition is detected Heat exchanger temperature thermistor continuously two times, the compressor stops.
  • Page 48 Trouble shooting 21 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Discharge Temp. Error Detective details: Detective Actuators: "Protection stop by "discharge temperature 110degC during compressor Discharge temperature thermistor operation"" generated 2 times within 24 hours. Outdoor unit Main PCB Forecast of Cause : 1.
  • Page 49 Trouble shooting 22 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Compressor Temp. Error Detective details: Detective Actuators: Compressor temperature thermistor "Protection stop by Outdoor unit Main PCB "compressor temperature 110degC(24L), 108degC(30L) during compressor operation"" generated 2 times within 24 hours. Forecast of Cause : 1.
  • Page 50 For AOTG34LFT Trouble shooting 23 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Low Pressure Error Detective details: Detective Actuators: "Protection stop by suction pressure 0.02MPaG continued for 5 minutes Suction pressure sensor repeats 5 times within 2 hours. Outdoor unit Main PCB Forecast of Cause : 1.

  • Page 51: Trouble Shooting With No Error Code

    2-3 TROUBLE SHOOTING WITH NO ERROR CODE Forecast of Cause: Trouble shooting 24 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 52 Forecast of Cause: Trouble shooting 25 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 53 Forecast of Cause: Trouble shooting 26 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 54 Forecast of Cause: Trouble shooting 27 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 55 Forecast of Cause : Trouble shooting 28 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?

  • Page 56: 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 Check if vibration noise by Is there open or loose connection Is there open or loose connection loose bolt or contact noise...
  • Page 57 SERVICE PARTS INFORMATION 2 Inverter Compressor Check Point 1 : Check connection Check terminal connection of Compressor Check connection of Transisitor PCB(IPM). (Loose or incorrect wiring) (Loose or incorrect wiring) W(C)(T) V(S) (BLACK) (WHITE) Transistor PCB (IPM) TM305 TM304 TM303 Transistor PCB (IPM) BLACK WHITE...
  • Page 58 SERVICE PARTS INFORMATION 3 Outdoor unit Electronic Expansion Valve ( EEV ) Check Point 1 : Check Connections Check connection of connector ( Loose connector or open cable ) AO*G24LFL / LFCC / 30LFT EXPANSION VALVE COIL BLUE ORANGE CN700 YELLOW WHITE Check Point 3 : Check Voltage from Main PCB.
  • Page 59 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 Refer to below.
  • Page 60 SERVICE PARTS INFORMATION 6 Active filter module Check Point 1 : Check Open or Short-circuit and Diode (D1) Remove connector, check the open or short-circuit and the diode in the module Check the open or short-circuit Terminal Resistance value Tester(+) Tester(-) (+IN) ( IN)
  • Page 61 SERVICE PARTS INFORMATION 7 Mounted on Transistor PCB) Check Point 1 Disconnect the connection wires between the Transistor PCB - Capacitor PCB and Transistor PCB - Inverter Compressor. Set the tester to the "Resistance" mode, and measure the resistance between the following terminals. TM301 (P) - TM305(U) / TM304(V) / TM303(W) TM302 (N) - TM305(U) / TM304(V) / TM303(W) Judge the result of...
  • Page 62 SERVICE PARTS INFORMATION 8 Suction Pressure Sensor Check Point 1 : Check Voltage from Main PCB With the connector connected to the PCB, measure the voltage between CN91(terminal 3-4) of the Main PCB. CN91 PRESSURE SENSOR WHITE BLACK Characteristics of pressure sensor Pressure [MPa] 02-37...

  • Page 64: Appending Data

    R410A WALL MOUNTED type INVERTER 3 . APPENDING DATA...

  • Page 65: Function Setting

    3-1. FUNCTION SETTING 3-1-1 INDOOR UNIT Follow the instructions in the Local Setup Procedure, which is supplied with the remote control, in accordance with the installed condition. After the power is turned on, perform the Function Setting on the remote control. The settings may be selected between the following two: Function Number or Setting Value.
  • Page 66 1-4. Setting the Auto Restart Enable or disable automatic system restart after a power outage. Factory setting) Setting Description Function Number Setting Value 1-5. Setting the Indoor room temperature sensor switching function (Only for Wired remote controller) The following settings are needed when use the control by Wired remote controller temperature sensor.

  • Page 67: Procedures To Change The Function Setting For Wireless Rc

    3-1-2 Procedures to change the Function Setting for wireless RC This procedure changes to the function settings used to control the indoor unit according to the installation conditions. Incorrect settings can cause the indoor unit malfunction. After the power is turned on, perform the "FUNCTION SETTING" according to the installation conditions using the remote controller.
  • Page 68 Custom code setting for remote controller (1) Press the MODE button for more then 5 seconds. (2) Press the SET TEMP. ( ) buttons to change the signal code between Match the code on the display to the air conditioner signal code. (initially set to (3) Press the MODE button.

  • Page 69: Outdoor Unit Pressure Value And Total Electric Current Curve

    3-2. Outdoor unit Pressure Value and Total Electric Current Curve Outdoor Unit Low Pressure Value and Outdoor Total Electric Current Curve (Cooling) Model Name : AS*G24LFCA / LFCC [Condition] Ambient Indoor / Outdoor - Same temperature temperature Refrigerant Standard amount...
  • Page 70 Outdoor Unit High Pressure Value and Outdoor Total Electric Current Curve (Heating) Model Name : AS*G24LFCA / LFCC [Condition] Ambient Indoor 15, 20, 23 C, Outdoor 2, 7, 12 C temperature Refrigerant Standard amount amount Piping 7.5m * (Height difference 1m)
  • Page 71 Outdoor Unit Low Pressure Value and Outdoor Total Electric Current Curve (Cooling) Model Name : AS*G30LFCA [Condition] Ambient Indoor / Outdoor - Same temperature temperature Refrigerant Standard amount amount Piping 7.5m (Height difference 1m) length Power 50Hz - 240V voltage Operation TEST mode (Cooling), Hi Fan, Horizontal direction, Front air flow condition...
  • Page 72 Outdoor Unit High Pressure Value and Outdoor Total Electric Current Curve (Heating) Model Name : AS*G30LFCA [Condition] Ambient Indoor 15, 20, 23 C, Outdoor 2, 7, 12 C temperature Refrigerant Standard amount amount Piping 7.5m (Height difference 1m) length Power 50Hz - 240V voltage Operation...

  • Page 73: Thermistor Resistance Values

    3-3. Thermistor Resistance Values Indoor heat exchanger thermistor Room temperature thermistor Characteristics of room temperature thermistor Tempe F Tempe C Resistance(K ) Voltage(V) Tempe F Tempe C Resistance(K ) Voltage(V) 40.00 33.62 1.15 176.03 1.10 32.0 32.0 35.00 25.93 30.00 1.39 134.23 1.36...
  • Page 74 Outdoor Temprature thermistor Outdoor heat exchanger thermistor Characteristics of heat exchanger thermistor (Outdoor) Tempe F Tempe C Resistance(K ) Voltage(V) Tempe F Tempe C Resistance(K ) Voltage(V) 100.00 -30.0 -30.0 -22.0 95.58 0.24 -22.0 224.33 0.73 -13.0 -25.0 -13.0 -25.0 159.71 0.97 68.90...
  • Page 75 1116,Suenaga,Takatsu-ku,Kawasaki 213-8502,Japan Oct. 2012 Printed in Japan...

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