1. Manuals
  2. Brands
  3. Fujitsu Manuals
  4. Air Conditioner
  5. AS G09LTCA Series
  6. Service instruction

Fujitsu AS G09LTCA Series Service Instruction

Hide thumbs Also See for AS G09LTCA Series:
Table of Contents

Advertisement

Quick Links

Download this manual
SERVICE
INSTRUCTION
R410A
SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED
INVERTER
Models
Indoor unit
AS*G07LUCA
AS*G09LUCA
AS*G12LUCA
AS*G14LUCA
AS*G09LTCA
AS*G12LTCA
type
Outdoor unit
AO*G07LUC
AO*G07LUCA
AO*G09LUC
AO*G09LUCB
AO*G12LUC
AO*G14LUC
AO*G09LTC
AO*G12LTC

Advertisement

Table of Contents
loading

Related Manuals for Fujitsu AS G09LTCA Series

Summary of Contents for Fujitsu AS G09LTCA Series

  • Page 1 SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED type INVERTER SERVICE INSTRUCTION Models Indoor unit Outdoor unit AO*G07LUC AS*G07LUCA AO*G07LUCA AS*G09LUCA AO*G09LUC AO*G09LUCB AS*G12LUCA AO*G12LUC AS*G14LUCA AO*G14LUC AO*G09LTC AS*G09LTCA AO*G12LTC AS*G12LTCA 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......................01-03 4. AUTO CHANGEOVER OPERATION................01-04 5. INDOOR FAN CONTROL....................01-05 6. OUTDOOR FAN CONTROL..................01-07 7. LOUVER CONTROL..................... 01-08 8. COMPRESSOR CONTROL..................01-09 9.
  • Page 3 3. APPENDING DATA 3-1 FUNCTION SETTING....................03-01 3-1-1 INDOOR UNIT....................03-01 3-1-2 Procedures to change the Function Setting for wireless RC......03-03 3-2 Thermistor Resistance Values..................03-05 3-2-1 INDOOR UNIT....................03-05 3-2-2 OUTDOOR UNIT....................03-05 4. REPLACEMENT PARTS 4-1 AS*G07/09/12/14LUCA, 09/12LTCA................04-01 4-1-1 PARTS LAYOUT DRAWING................

  • 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 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 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: Dry Operation

    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 5. However, after the compressor is driven, the indoor unit shall run at operation frequency of 70rps (07/09LUCA), 56rps (09LTCA/12LUCA), 56rps (14LUCA), 40rps (12LTCA) for 80 seconds.

  • Page 8: 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 30°C...

  • Page 9: Indoor Fan Control

    5. INDOOR FAN CONTROL 1. Fan speed ( Table 6 : Indoor fan speed ) Speed (rpm) Operation mode Air flow mode AS*G09LUCA AS*G12LUCA AS*G07LUCA AS*G14LUCA AS*G09LTCA AS*G12LTCA Powerful 1290 1410 1470 1620 Heating 1180 1300 1370 1510 1120 1220 1260 1440 1050...
  • Page 10 5. HEATING OPERATION Switch the airflow [Auto], and the indoor fan motor will run according to a room temperature, as shown in Fig. 5 On the other hand, if switched in [Hi] [Quiet], the indoor motor will run at a constant airflow of [Heat] operation modes Quiet, Lo, Me, High, as shown in Table 6.

  • Page 11: 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. ( Table 8 : Type of Motor ) AC Motor DC Motor AO*G07LUC/LUCA AO*G09LUC/LUCB AO*G12/14LUC / AO*G09/12LTC...

  • Page 12: 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: Fig.9 : Air Direction Range Types of Air flow Direction Setting: ALL MODE : The Remote Controller's display does not change. Use the air direction adjustments within the ranges shown above.

  • Page 13: 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 Table 12. (Table 12 : Compressor frequency range) Cooling / Dry Heating Minimum Maximum Minimum Maximum AS*G07/ 09LUCA 22rps 79rps...

  • Page 14: Timer Operation Control

    9. TIMER OPEARTION CONTROL 9-1 WIRELESS REMOTE CONTROLLER The Table 14 shows the available timer setting based on the product model. ( Table 14 : Timer Setting ) WEEKLY TIMER ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER AS*G07/09/12/14LUCA AS*G09/12LTCA 1.
  • Page 15 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 16 9-2 WIRED REMOTE CONTROLLER (OPTION) The Table15 shows the available timer setting based on the product model. ( Table15 : Timer Setting ) ON TIMER / OFF TIMER WEEKLY TIMER TEMPERATURE SET BACK TIMER AS*G07/09/12/14LUCA AS*G09/12LTCA ON TIMER / OFF TIMER Same to 9-1 1.ON TIMER / OFF TIMER and shown in those.

  • Page 17: 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 Table16. The compressor frequency, the detected temperature by the discharge temperature sensor, the indoor heat exchanger sensor, the outdoor heat exchanger sensor, and the outdoor temperature sensor. ( Table16 : The pulse range of the electronic expansion valve control ) Operation mode Pulse range...

  • Page 18: 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 19: Compressor Preheating

    17. COMPRESSOR PREHEATING When the outdoor heat exchanger temperature is lower than 5°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 temperature rises to 7°C or greater,...

  • Page 20: Outdoor Unit Low Noise Operation

    21. OUTDOOR UNIT LOW NOISE OPERATION The OUTDOOR UNIT LOW NOISE Operation functions by pressing OUTDOOR UNIT LOW NOISE button on the remote controller. This operation stops the PFC control, and changes the Current release operation/release value. OUTDOOR UNIT LOW NOISE Operation mode can be used during cooling, heating and automatic operation. It can not be used in Fan and Dry mode ( Table 22 ) Control / Release...

  • Page 21: Defrost Operation Control

    23. DEFROST OPERATION CONTROL 1. CONDITION OF STARTING THE DEFROST OPERATION The defrost operation starts as shown in the following Table 24. (Table 24 : Condition of starting Defrost Operation) Compressor integrating operation time Normal defrost Less than 25 minutes More than 25 minutes Outdoor heat exchanger temp.
  • Page 22 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) Normal defrost Integrating defrost Intermittent operation Continuous operation utside air temp.

  • Page 23: Off Defrost Operation Control

    24. 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 24: Various Protections

    25. 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, and it continues to decrease the frequency for 20rps every 120 seconds until the temperature becomes lower than Temperature .
  • Page 25 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 28 : Anti-freezing Protection Operation / Release Temperature) Outdoor temperature Temperature...

  • Page 26: Trouble Shooting

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

  • Page 27: Error Display

    2. TROUBLESHOOTING 2-1 ERROR DISPLAY 2-1-1 INDOOR UNIT AND WIRED REMOTE CONTROLLER DISPLAY Please refer the flashing pattern as follows. Indoor Unit : AS*G07/ 09/ 12/ 14LUCA, AS*G09/ 12LTCA The OPERATION, TIMER and ECONOMY lamps operate as follows according to the error contents. Indoor Unit Display Wired Remote Trouble...

  • Page 28: Wired Remote Controller Display (Option)

    2-1-2 WIRED REMOTE CONTROLLER DISPLAY (OPTION) 1. SELF - DIAGNOSIS When " Er " 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 29: Trouble Shooting With Error Code

    2-2 TROUBLE SHOOTING WITH ERROR CODE Trouble shooting 1-1 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Serial communication error (Serial Reverse Transfer Error) Detective details: Detective Actuators: 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 30 Trouble shooting 1-2 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Serial communication error (Serial Forward Transfer Error) Detective details: Detective Actuators: When the outdoor unit cannot receive the serial signal from Indoor unit Indoor unit Controller PCB more than 10seconds.
  • Page 31 Trouble shooting 2 Indicate or Display: INDOOR UNIT Error Method: Remote controller communication Refer to error code table. error Detective details: Detective Actuators: When the indoor unit cannot receive the signal from Wired Remote Control Indoor unit Controller PCB more than 1minute during normal operation. Wired remote control Forecast of Cause: 1.
  • Page 32 Trouble shooting 3 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor unit main PCB error Detective details: Detective Actuators: When power is on and there is some below case. Indoor unit Controller PCB 1. When model information of EEPROM is incorrect. 2.
  • Page 33 Trouble shooting 4 Indicate or Display: INDOOR UNIT Error Method: INDOOR UNIT 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 60 or more seconds.
  • Page 34 Indicate or Display: Trouble shooting 5 INDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Room temperature sensor error Detective Actuators: Detective details: Indoor unit Controller PCB When Room Temperature Thermistor open or short-circuit is detected. Room temperature thermistor Forecast of Cause : 1.
  • Page 35 Trouble shooting 6 Indicate or Display: INDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Indoor unit Heat Ex. sensor error Detective Actuators: Detective details: Indoor unit Controller PCB When Heat Ex. Temperature Thermistor open or short-circuit is detected. Heat Ex.
  • Page 36 Trouble shooting 7 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 37 Trouble shooting 8 Indicate or Display: INDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Intake grille error Detective Actuators: Detective details: Indoor unit Controller PCB When the Micro switch is detected open while running the compressor. Micro switch Forecast of Cause : 1.
  • Page 38 Trouble shooting 9 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Outdoor unit main PCB error Detective details: Detective Actuators: Access to EEPROM failed due to some cause after outdoor unit started. Outdoor unit Main PCB Forecast of Cause: 1.
  • Page 39 Trouble shooting 10 Indicate or Display: OUTDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. PFC circuit error Detective Actuators: Detective details: When inverter output DC voltage is higher than 415V for over 3 seconds, Outdoor unit Main PCB the compressor stops.
  • Page 40 Trouble shooting 11 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. IPM error Detective details: Detective Actuators: 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 41 Trouble shooting 12 Indicate or Display: OUTDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Discharge thermistor error Detective details: Detective Actuators: When Discharge pipe temperature thermistor open or short-circuit Outdoor unit Main PCB is detected at power ON or while running the compressor. Discharge pipe temperature thermistor Forecast of Cause : 1.
  • Page 42 Trouble shooting 13 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Outdoor unit Heat Ex. sensor error Detective details: Detective Actuators: 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 43 Trouble shooting 14 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Outdoor thermistor error Detective details: Detective Actuators: Outdoor unit Main PCB When Outdoor temperature thermistor open or short-circuit is Outdoor temperature thermistor detected at power ON or while running the compressor. Forecast of Cause : 1.
  • Page 44 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. (Except during the defrost operation) Forecast of Cause : 1.
  • Page 45 Trouble shooting 16 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Trip detection 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 the compressor succeeds.
  • Page 46 Trouble shooting 17 Indicate or Display: OUTDOOR UNIT Error Method: Refer to error code table. Compressor motor control error Detective details: Detective Actuators: If the detected rotor location is out of phase with actual rotor location Outdoor unit Main PCB more than 90°, the compressor stops.
  • Page 47 Trouble shooting 18 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 48 Trouble shooting 19 Indicate or Display: INDOOR 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 Ex.
  • Page 49 Trouble shooting 20 Indicate or Display: OUTDOOR UNIT Error Method: INDOOR UNIT Discharge temperature error Refer to error code table. Detective details: Detective Actuators: Outdoor unit Main PCB "Protection stop by "discharge temperature 110degC during compressor operation"" generated 2 times within 24 hours. Discharge temperature thermistor Forecast of Cause : 1.

  • Page 50: Trouble Shooting With No Error Code

    2-3 TROUBLE SHOOTING WITH NO ERROR CODE Forecast of Cause: Trouble shooting 21 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 51 Forecast of Cause: Trouble shooting 22 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 52 Forecast of Cause: Trouble shooting 23 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 53 Forecast of Cause: Trouble shooting 24 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 54 Forecast of Cause : Trouble shooting 25 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 55: 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 56 SERVICE PARTS INFORMATION 2 Inverter Compressor Check Point 1 : Check Connection Check terminal connection of Compressor (loose or incorrect wiring) Terminal cover opened Terminal cover opened Terminal cover opened (BLACK) C(W) (RED) (BLACK) (WHITE) R(U) S(V) (RED) (WHITE) (RED) (WHITE) (BLACK) AO*G12LTC...
  • Page 57 SERVICE PARTS INFORMATION 3 Outdoor unit Electronic Expansion Valve ( EEV ) Check Point 1 : Check Connections Check connection of connector (CN40) ( Loose connector or open cable ) EXPANSION VALVE COIL BLUE ORANGE CN40 YELLOW WHITE Check Point 2 : Check Coil of EEV Check Point 3 : Check Voltage from Main PCB.
  • Page 58 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 59: Appending Data

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

  • Page 60: 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 61 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. 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 62: 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 63 Selecting the Remote Controller Signal Code (1) Press the START/STOP( ) button until only the clock is displayed on the remote controller display. (2) Press the MODE button for at least 5 seconds to display the current signal code. (initially set to (3) Press the SET TEMP.( ) ( ) buttons to change the signal code between Match the code on the display to the air conditioner signal code.

  • Page 64: Thermistor Resistance Values

    3-2. Thermistor Resistance Values 3-2-1 INDOOR UNIT Room temperature thermistor Indoor heat exchanger thermistor Resistance(k ) Voltage(V) Resistance(k ) Voltage(V) Temp ( C) Temp ( C) -10.0 58.2 0.73 -30.0 1131.9 0.21 -5.0 44.0 0.93 -25.0 804.5 0.29 33.6 1.15 -20.0 579.6 0.40...

  • Page 65: Replacement Parts

    R410A WALL MOUNTED type INVERTER 4 . REPLACEMENT PARTS...

  • Page 66: As*G07/09/12/14Luca, 09/12Ltca

    4-1 AS*G07/09/12/14LUCA, 09/12LTCA 4-1-1 PARTS LAYOUT DRAWING Bracket Panel Air Filter Controller PCB Cover Shield Wire Shield Wire Cover Front Panel Human Sensor Intake Grille Assy For LUCA type For LTCA type Detail - A 04-01...

  • Page 67: Disassembly Process

    4-1-2 DISASSEMBLY PROCESS 1. Intake Grille Assy removal Open the intake grille. While holding the intake grille, lift up the grille stay and secure the intake grille. Remove the screws from the arm-cover on the top part of the front panel. (in 2 places, one on the left and one on the right).
  • Page 68 3. Front Panel removal Remove the mounting screw for Wire Cover. Remove the Wire Cover Remove the 4 mounting screws. Screws (4 position) Screw (Wire cover) Wire cover The Front Panel is pulled to the front, raising the upper surface, and the Front Panel is removed.
  • Page 69 4. Control cover removal Remove the 1 mounting screw. Remove the Cover Shield by sliding near side. Holder(Room thermistor) Controller PCB Display case &Display PCB assy Cover Shield Thermistor assy (Room thermistor &Pipe thermistor) Replaceable Component Controller PCB Display PCB assy Thermistor assy 5.
  • Page 70 6. Control Unit removal Remove the 1 mounting screw. Remove the Control Unit by sliding near side. Control Unit 04-05...
  • Page 71 7. Under cover removal Remove the screw caps and screws from the under cover (in each of 3 places). Under cover Screw cap Screw Hold down the central part of the under cover. Release the tabs by pressing on the side of the under cover (in 2 places on the side). Remove the under cover.
  • Page 72 8. Casing assy removal Remove the 4 mounting screws. Remove the Casing assy by sliding downward. Fan motor Crossflow fan assy Replaceable Component Fan motor Crossflow fan assy 04-07...
  • Page 73 1116,Suenaga,Takatsu-ku,Kawasaki 213-8502,Japan Oct. 2012 Printed in Japan...

This manual is also suitable for:

As g09luca seriesAs g12luca seriesAs g14luca seriesAs g07luca seriesAs g12ltca seriesAo g07luc series ... Show all

Table of Contents