Related Manuals for Fujitsu ASYA07LBCM
Summary of Contents for Fujitsu ASYA07LBCM
- Page 1 SPLIT TYPE ROOM AIR CONDITIONER Wall Mounted type INVERTER MULTI SERVICE INSTRUCTION Models Indoor unit Outdoor unit ASYA07LBCM AOYA14LAC2 ASYA09LBCM ASYA12LBCM R410A...
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Page 2: Table Of Contents
CONTENTS 1. DESCRIPTION OF EACH CONTROL OPERATION 1. CAPACITY CONTROL....................01-01 2. AUTO CHANGEOVER OPERATION................01-01 3. INDOOR FAN CONTROL................... 01-02 4. OUTDOOR FAN CONTROL..................01-05 5. LOUVER CONTROL....................01-06 6. COMPRESSOR CONTROL..................01-07 7. TIMER OPERATION CONTROL................01-08 8. ELECTRONIC EXPANSION VALVE CONTROL............01-12 9. -
Page 3: Description Of Each Control Operation
R410A Wall Mounted type INVERTER (MULTI ) 1 . DESCRIPTION OF EACH CONTROL OPERATION... -
Page 4: Capacity Control
1. CAPACITY CONTROL 1-1 COOLING, HEATING, DRY CAPACITY CONTROL Compressor frequency decides by capacity of an indoor unit, operation number of an indoor unit, set temperature, room temperature and outside temperature. 2. 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 and MONITORING modes. -
Page 5: Indoor Fan Control
3. INDOOR FAN CONTROL 1. Fan speed ( Table 2 : Indoor Fan Speed ) ASYA07/09LBCM ASYA12LBCM Operation mode Air flow mode Speed (rpm) Operation mode Air flow mode Speed (rpm) Cooling 1220 Cooling 1440 1100 1200 Quiet Quiet Heating 1220 Heating 1440... - Page 6 4. HEATING OPERATION Switch the airflow [AUTO], and the indoor fan motor will run according to a room temperature, as shown in Figure 3. On the other hand, if switched in [HIGH] [QUIET], the indoor motor will run at a constant airflow of [HEAT] operation modes QUIET, LOW, MED, HIGH, as shown in Table 2.
- Page 7 6. DRY OPERATION Refer to the Table 2. During the dry mode operation, the fan speed setting can not be changed. ( Fig.3 : Compressor Control based on Room Temperature ) Room Room temperature temperature Ts+1.5°C X zone Ts+0.5°C Ts -0.5°C J zone Ts -1.5°C Y zone...
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Page 8: Outdoor Fan Control
4. OUTDOOR FAN CONTROL 1. Outdoor Fan Motor Following table shows the fan speed of the outdoor unit. ( Table 3 : Fan speed of the outdoor unit ) Cooling Heating AOYA14LAC2 820/ 700/ 410/ 320/ 250/ 200 rpm 900/ 820/ 700/ 410/ 320/ 250 /200 rpm It runs at 500rpm for 20 seconds after starting up the outdoor fan. -
Page 9: Louver Control
5. LOUVER CONTROL 1. VERTICAL LOUVER CONTROL (Function Range) Each time the button is pressed, the air direction range will change as follow: (Air Direction Range) (Operation Range) Cooling / Dry mode Heating mode Fan mode Use the air direction adjustments within the ranges shown above. The vertical airflow direction is set automatically as shown, in accordance with the type of operation selected. -
Page 10: Compressor Control
6. COMPRESSOR CONTROL 1. OPERATION FREQUENCY RANGE The operation frequency of the compressor is different based on the operation mode as shown in the table 4. (Table 4 : Compressor Operation Frequency Range) Cooling Heating AOYA14LAC2 18Hz 80Hz 18Hz 110Hz 2. -
Page 11: Timer Operation Control
7. TIMER OPERATION CONTROL 7-1 Wireless Remote Controller ON / TIMER OFF / TIMER PROGRAM TIMER SLEEP 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... - Page 12 3. SLEEP TIMER If the sleep timer 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 degC.
- Page 13 7-2 Wired Remote Controller (OPTION) 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
8. 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 between 30 to 480 pulses. -
Page 16: Auto Restart
12. 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 resumed with the memorized operation contents. When the power is interrupted and recovered during timer operation, timer operation is canceled, but only setting time is memorized. -
Page 17: Defrost Operation Control
15. DEFROST OPERATION CONTROL 1. CONDITION OF STARTING THE DEFROST OPERATION The defrost operation starts when the outdoor heat exchanger temperature sensor detects the temperature lower than the values shown in Table 7. (Table 7 : Condition of starting Defrost Operation) Compressor integrating operation :45min and over Compressor integrating... - Page 18 3. Defrost Flow Chart The defrosting shall proceed by the integrating operation time and outdoor heat exchanger temperature as follows. Heating operation start : Compressor ON (Not defrosted for 6 or 10 minutes) Compressor integrating operation: 45 minutes and over Outdoor temp.
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Page 19: Off Defrost Operation Control
16. 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
18. VARIOUS PROTECTIONS 1. DISCHARGE GAS TEMPERATURE OVER RISE PREVENTION CONTROL The discharge gas thermosensor (discharge thermistor : Outdoor side) will detect discharge gas temperature. When the discharge temperature becomes higher than 105°C ,the compressor frequency is decreased 20 Hz, and it continues to decrease the frequency for 20 Hz every 120 seconds until the temperature becomes lower than 105°C When the discharge temperature becomes lower than... - Page 21 4. COOLING PRESSURE OVER RISE PROTECTION When the outdoor unit heat exchange sensor temperature rises to 6 or greater, 7°C the compressor is stopped and error display is indicated. 5. HIGH TEMPERATURE RELEASE CONTROL ( HEATING MODE ) On heating mode, the compressor frequency is controlled as following based on the detection value of the indoor and outdoor heat exchanger temperature sensor.
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Page 22: Trouble Shooting
R410A Wall Mounted type INVERTER (MULTI ) 2 . TROUBLE SHOOTING... -
Page 23: Error Display
2. TROUBLESHOOTING 2-1 ERROR DISPLAY 2-1-1 INDOOR UNIT DISPLAY 1. ERROR DISPLAY Please refer the blinking pattern as follows. The OPERATION, TIMER, ECONOMY lamps operate as follows according to the error contents. Error display Trouble Error contents OPERATION TIMER ECONOMY shooting (GREEN) (ORANGE) -
Page 24: Wired Remote Controller Display
2-1-2 WIRED REMOTE CONTROLLER DISPLAY (OPTION) 1. SELF - DIAGNOSIS When "EE" 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 25 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 and the START/STOP button simultaneously for 5 seconds or more to start the self-diagnosis.
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Page 26: Trouble Shooting With Error Code
2-2 TROUBLE SHOOTING WITH ERROR CODE Trouble shooting 1 Indicate or Display: INDOOR UNIT Error Method: Communication Error Refer to error code table. (Indoor unit Remote control) Detective details: Detective Actuators: When the indoor unit cannot receive the signal from Wired Remote Indoor unit controller PCB circuit more than 10seconds after power ON, or the indoor unit cannot receive Wired Remote Control (Option) -
Page 27: Communication Error (Serial Reverse Transfer Error)
Trouble shooting 2 Indicate or Display: OUTDOOR UNIT Error Method: Communication Error Refer to error code table. (Serial Reverse Transfer Error) Detective details: Detective Actuators: Outdoor Unit PCB Circuit When the indoor unit cannot receive the serial signal from Outdoor unit Inverter more than 10 seconds. -
Page 28: Room Temperature Thermistor Error
Indicate or Display: Trouble shooting 3 INDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Room Temperature Thermistor Error Detective details: Detective Actuators: Indoor Unit Controller PCB Circuit When Room Temperature Thermistor open or short-circuit is detected at power ON. Room Temperature Thermistor Forecast of Cause : 1. -
Page 29: Indoor Heat Exchanger Temperature Thermistor Error
Indicate or Display: Trouble shooting 4 INDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Indoor Heat Exchanger Temperature Thermistor Error Detective Actuators: Detective details: Indoor Unit Controller PCB Circuit When Heat Exchanger Temperature Thermistor open or short-circuit is detected at power ON. -
Page 30: Outdoor Heat Exchanger Temperature Thermistor (Outlet) Error
Indicate or Display: Trouble shooting 5 OUTDOOR UNIT Error Method: Refer to error code table. Outdoor Heat Exchanger Temperature Thermistor Error Detective Actuators: Detective details: Outdoor Unit Inverter PCB Circuit When Heat Exchanger Temperature Thermistor open or short-circuit is Heat Exchanger Temperature Thermistor detected at power ON or while running the compressor. -
Page 31: Outdoor Temperature Thermistor Error
Indicate or Display: Trouble shooting 6 OUTDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Outdoor Temperature Thermistor Error Detective Actuators: Detective details: Outdoor Unit Inverter PCB Circuit When Outdoor Temperature Thermistor open or short-circuit is detected at power ON or while running the compressor. Outdoor Temperature Thermistor Forecast of Cause : 1. -
Page 32: Outdoor Discharge Pipe Temperature Thermistor Error
Indicate or Display: Trouble shooting 7 OUTDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Outdoor Discharge Pipe Temperature Thermistor Error Detective details: Detective Actuators: When Discharge Pipe Temperature Thermistor open or short-circuit Outdoor Unit Inverter PCB Circuit is detected at power ON or while running the compressor. -
Page 33: Indoor Eeprom Abnormal
Trouble shooting 8 Indicate or Display: Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Indoor EEPROM abnormal (Model No.) Detective details: Detective Actuators: Indoor Unit Controller PCB circuit When the model information being read from EEPROM has an apparent error. -
Page 34: Indoor Fan Motor Abnormal
Indicate or Display: Trouble shooting 9 INDOOR UNIT Error Method: Refer to error code table. Indoor Fan Motor abnormal Detective Actuators: Detective details: Indoor Unit Controller PCB Circuit When the condition that actual frequency of Indoor Fan is below 1/3 Indoor Fan Motor of target frequency is continued more than 56 seconds. -
Page 35: Outdoor Communication Signal Error (Forward Transfer Signal Error)
Indicate or Display: Trouble shooting 10 Indicate or Display: INDOOR UNIT Error Method: Refer to error code table. Outdoor Communication Signal Error (Forward Transfer Signal Error) Detective details: Detective Actuators: Indoor Unit Controller PCB Circuit When the outdoor unit cannot receive the serial signal from Indoor unit more than 10seconds. -
Page 36: Ipm Error
Indicate or Display: Trouble shooting 11 OUTDOOR UNIT Error Method: Refer to error code table. IPM error Detective details: Detective Actuators: When more than normal operating current to IPM in Inverter PCB flows, Outdoor Unit Inverter PCB Circuit the compressor stops. Compressor After the compressor restarts, if the same operation is repeated within 40sec, the compressor stops again. -
Page 37: Ct Error
Indicate or Display: Trouble shooting 12 OUTDOOR UNIT Error Method: Refer to error code table. CT error Detective details: Detective Actuators: Outdoor Unit Inverter PCB Circuit When Input Current Sensor has detected lower than 0A (Input current sensor unit) while Inverter Compressor is operating at higher than 60Hz, after 1minute upon starting the Compressor. -
Page 38: Compressor Rotor Location Cannot Detect (Permanent Stop)
Indicate or Display: Trouble shooting 13 OUTDOOR UNIT Error Method: Refer to error code table. Compressor rotor location cannot detect (Permanent Stop) Detective details: Detective Actuators: While running the compressor, if the detected rotor location is out of Outdoor Unit Inverter PCB Circuit phase with actual rotor location more than 105 degrees, the compressor stops. -
Page 39: Outdoor Unit Fan Motor Error
Indicate or Display: Trouble shooting 14 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 Inverter PCB Circuit after fan motor starts, fan motor stops. -
Page 40: Heat Sink Temperature Thermistor Error
Indicate or Display: Trouble shooting 15 OUTDOOR UNIT Error Method: Refer to error code table. Heat Sink Temperature Thermistor Error Detective details: Detective Actuators: When Heat Sink Temperature Thermistor open or short-circuit is Outdoor Unit Inverter PCB Circuit detected at power ON or while running the compressor. Heat Sink Temperature Thermistor Forecast of Cause : 1. - Page 41 Indicate or Display: Trouble shooting 16 OUTDOOR UNIT Error Method: Refer to error code table. Compressor Start-up error (Permanent Stop) Detective Actuators: Detective details: On start-up of the compressor location detection, start-up duty is raised Outdoor Unit Inverter PCB Circuit by every 0.2 % up to maimum 20 %.
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Page 42: 2-Way Valve Temperature Thermistor Error
Indicate or Display: Trouble shooting 17 OUTDOOR UNIT Error Method: Refer to error code table. 2-way valve Temperature Thermistor Error Detective details: Detective Actuators: Outdoor Unit Inverter PCB Circuit When 2-way valve Temperature Thermistor open or short-circuit is detected at power ON or while running the compressor. 2-way valve Temperature Thermistor Forecast of Cause : 1. -
Page 43: 3-Way Valve Temperature Thermistor Error
Indicate or Display: Trouble shooting 18 OUTDOOR UNIT Error Method: 3-way valve Temperature Refer to error code table. Thermistor Error Detective details: Detective Actuators: When 3-way valve Temperature Thermistor open or short-circuit is Outdoor Unit Inverter PCB Circuit detected at power ON or while running the compressor. 3-way valve Temperature Thermistor Forecast of Cause : 1. -
Page 44: Connected Indoor Unit Error
Indicate or Display: Trouble shooting 19 OUTDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Connected Indoor unit error Detective Actuators: Detective details: Outdoor Unit Inverter PCB Circuit When the total capacity of the connected indoor units exceed the connectable range of the total capacity. -
Page 45: Indoor Manual Auto Switch Error
Indicate or Display: Trouble shooting 20 INDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Manual auto switch error Detective Actuators: Detective details: Indoor Unit Controller PCB Circuit When the Manual auto switch becomes ON for 60 consecutive seconds. Manual auto switch Forecast of Cause : 1. -
Page 46: Discharge Temperature Error
Indicate or Display: Trouble shooting 21 OUTDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Discharge temperature error Detective details: Detective Actuators: When the discharge temperature becomes higher than 110°C, Outdoor Unit Inverter PCB Circuit the compressor stops. Discharge Pipe Temperature Thermistor Forecast of Cause : 1. -
Page 47: Exessive High Pressure Protection On Cooling
Indicate or Display: Trouble shooting 22 OUTDOOR UNIT Error Method: Refer to error code table. Excessive high pressure protection on cooling Detective details: Detective Actuators: Excessive high pressure protection on cooling mode has been Outdoor Unit Inverter PCB Circuit activated. Outdoor Fan Motor Heat Exchanger Temp. - Page 48 Indicate or Display: Trouble shooting 23 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 Outdoor Unit Inverter PCB Circuit the indoor temperature, and either following condition is detected 4-way valve continuously two times, the compressor stops.
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Page 49: Circulation Refrigerant Error
Indicate or Display: Trouble shooting 24 OUTDOOR UNIT Error Method: INDOOR UNIT Refer to error code table. Circulation refrigerant error Detective details: Detective Actuators: If the following condition is detected, the compressor stops running. Indoor Unit Controller PCB Circuit - When the compressor runs for 20 minutes. Heat Exchanger Temperature Thermistor - When the difference between the "Indoor Heat Excanger Room Temperature Thermistor... -
Page 50: Pfc Circuit Error
Indicate or Display: Trouble shooting 25 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 Inverter PCB Circuit the compressor stops. -
Page 51: Trouble Shooting With No Error Code
2-3 TROUBLE SHOOTING WITH NO ERROR CODE Forecast of Cause: Trouble shooting 26 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 27 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 28 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 terminals between Indoor Units. Or, check if there is an open cable connection.
- Page 54 Forecast of Cause: Trouble shooting 29 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 30 1. Abnormal installation(Indoor/ Outdoor) 2. Fan failure(Indoor/ Outdoor) Abnormal Noise 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 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 (loose or incorrect wiring) Terminal cover opened (BLACK) (RED) (WHITE) Check Point 2 : Check Winding Resistance Check winding resistance of each terminal If the resistance value is 0 or infinite, replace Compressor.
- 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 ) BLUE EXPANSION VALVE A CN40 ORANGE YELLOW WHITE BLUE ORANGE EXPANSION VALVE B CN401 YELLOW WHITE...
- Page 59 Check Point 5 : Check Opening and Closing Operation of Valve When Valve is closed, If it is open, it has no temp. difference between Inlet and Outlet. it has a temp. difference between Inlet and Outlet. CLOSE OPEN Example : Hot Gas Example : Hot Gas Pipe (In) Pipe (In)
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Page 60: Replacement Parts
R410A Wall Mounted type INVERTER (MULTI ) 3 . REPLACEMENT PARTS... - Page 61 3. REPLACEMENT PARTS Top Panel Sub Assy Cabinet Left Assy Protective Net REM Plate Cabinet Right Assy Grip Switch Cover Propeller Fan A Assy Fan Ring Motor Bracket Fan Motor Switch Cover B Emblem Rear Front Panel 03-01...
- Page 62 Condenser Total Assy Searater B Assy Reactor Assy Valve Bracket 2-Way Valve Assy 3-Way Valve Assy 2-Way Valve Assy 3-Way Valve Assy Compressor Assy Solenoid 4-Way Valve Assy Expansion Valve Coil (L=650) Expansion Valve Coil (L=850) Expansion Valve Assy 03-02...
- Page 63 Case Cover Inverter PCB Assy PCB Holder Inverter Case Assy Fuse Fuse holder Terminal (3P) Terminal (6P) Inverter Case Cover Cord clamp Terminal Bracket Assy 03-03...
- Page 64 Front Panel Total Assy Air Filter Front Panel Clamper (Grille) Air Filter Receiver Window Clamper (Grille) Intake Grille Assy Panel Cover Remote Control Remote Control Holder 03-04...
- Page 65 Evaporator Holder L Rear Bracket Evaporator Holder R Filter Guide Evaporator Assy Joint Pipe Assy Room Thermistor Holder Evaporator Total Assy 03-05...
- Page 66 Box Shield Control Box Controller PCB Assy Cover Shield Display PCB Assy Control Cover Display Case Terminal 03-06...
- Page 67 Crossflow Fan Assy Bracket Panel Motor Cover Shaft Holder C Fan Motor Drain Cap Casing Casing Cover B Casing Cover F Louver Gear R and L Louver B Drain Hose Assy Gear A Fan Guard Motor Step Louver Gear Holder Cable Guide Louver U Casing Assy...
- Page 68 1116,Suenaga,Takatsu-ku,Kawasaki 213-8502,Japan MAY. 2009 Printed in Japan...