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Manuel d’instruction www.lutechenergie.com...
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SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED type INVERTER SERVICE INSTRUCTION Models Indoor unit Outdoor unit AOU9RL ASU9RL AOU12RL ASU12RL R410A...
R410A WALL MOUNTED type INVERTER 1 . SPECIFICATIONS...
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SPECIFIC A TIO NS ELECTRICAL DATA TYPE Cool & heat inverter INDOOR UNIT ASU9RL ASU12RL OUTDOOR UNIT AOU9RL AOU12RL 8,500 BTU/h 11,500 BTU/h COOLING CAPACITY 2.50 kW 3.40 kW 10,000 BTU/h 14,000 BTU/h HEATING CAPACITY 2.93 kW 4.11 kW POWER SOURCE...
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DIMENSIONS TYPE Cool & heat inverter INDOOR UNIT ASU9RL ASU12RL OUTDOOR UNIT AOU9RL AOU12RL H x W x D INDOOR UNIT 10-1/4(260) x 31-3/32(790) x 7-25/32(198) Inch(mm) H x W x D OUTDOOR UNIT 21-1/4(540) x 25-31/32(660) x 11-13/32(290) Inch(mm)
R410A WALL MOUNTED type INVERTER 2 . DIMENSIONS...
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D I M E N S I O N S Models : ASU9RL / AOU9RL ASU12RL / AOU12RL Unit : Inch(mm) INDOOR UNIT 31-3/32(790) 7-25/32 (198) OUTDOOR UNIT 11-13/32(290) 25-31/32(660) 02-01...
R410A WALL MOUNTED type INVERTER 3 . REFRIGERANT SYSTEM DIAGRAM...
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R E F R I G E R A N T S Y S T E M D I A G R A M Models : ASU9RL / AOU9RL ASU12RL / AOU12RL Heat exchanger (indoor unit) 3-Way valve 2-Way valve...
( Table 1 : Compressor Frequency Range ) minimum maximum maximum frequency frequency frequency ASU9RL 22Hz 76Hz 79Hz ASU12RL 18Hz 80Hz 96Hz ( Fig. 1 : Limit of Maximum Frequency based on Outdoor Temperature )
However, the maximum frequency is limited in the range shown in Figure 2 based on the fan speed mode and the outdoor temperature. ( Table 2 : Compressor Frequency Range ) minimum maximum frequency frequency ASU9RL 22Hz 99Hz 18Hz 130Hz ASU12RL ( Fig.2 : Limit of Maximum Frequency based on Outdoor Temperature )
Table 3. However, after the compressor is driven, the indoor unit shall run at operation frequency of 64Hz (for ASU9RL) or 61Hz (for ASU12RL), for a minute. ( Table 3 : Compressor frequency ) Operating...
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 64°F(18°C) 86°F(30°C)
5. INDOOR FAN CONTROL 1. Fan speed ( Table 6 : Indoor Fan Speed ) ASU9 / 12RL Operation mode Air flow mode Speed (rpm) 1440 Heating 1370 1200 Quiet Cool air prevention S-Lo Cooling 1440 1200 Quiet X zone: 680 J zone: 650 2.
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4. DRY OPERATION Refer to the Table 6. During the dry mode operation, the fan speed setting can not be changed. 5. HEATING OPERATION Switch the airflow [AUTO], and the indoor fan motor will run according to a room temperature, as shown in Figure 7.
DC Motor ASU9 / 12RL 2. Fan Speed ( Table 8 : Outdoor fan speed ) (rpm) ZONE Cooling Heating ASU9RL A - C 730/ 650/ 470 730/ 470 730/ 470/ 230 900/ 650/ 470 A - C ASU12RL 1330/ 860/ 760/ 470...
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) 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.
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 10. (Table 10 : Compressor Operation Frequency Range) Cooling Heating ASU9RL 22Hz 79Hz 22Hz 99Hz 28Hz 37Hz...
9. TIMER OPERATION CONTROL The table 11 shows the available timer setting based on the product model. (Table 11 : Timer Setting) ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER ASU9 / 12RL 1. OPERATION FREQUENCY RANGE OFF timer : When the clock reaches the set time, the air conditioner will be turned off. Operation mode Stop mode Set time of timer...
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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 2°F(1°C).
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 following values. 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.
Fan operates for 30 minutes at last before ending the air conditioner operation. (Table 13 : COIL-DRY Operating Functions) Compressor Louver Main Unit Indoor Fan Speed Position Indication Frequency ASU9RL 780rpm 43Hz COIL-DRY : ON Other indication : OFF ASU12RL 780rpm 39Hz 05-13...
19. 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 14. (Table 14 : Condition of starting Defrost Operation) Compressor operating time 25 minutes to After 4 hours...
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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 10 minutes) Compressor integrating Compressor integrating operation: operation: Over 25 minutes to Over 240 minutes below 240 minutes Outdoor heat exchanger...
20. 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.
The compressor frequency returns to the designated frequency of the indoor unit at the time when the frequency becomes lower than the release value. (Table 18 : Current Release Operation Value / Release Value) [ Heating ] ASU9RL ASU12RL OT (Control / Release) OT (Control / Release) 5.5A/ 5.0A...
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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 19 : Anti-freezing Protection Operation / Release Temperature) Outdoor temperature Temperature...
6. TROUBLESHOOTING 6-1 ERROR DISPLAY 6-1-1 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 service personnel. Unit number (usually 0) Error code SU MO TU WE TH FR SA ex.
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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 [ ], [ ], [ON/OFF] simultaneously for 3 seconds or more to start the self-diagnosis.
6-1-2 OUTDOOR UNIT DISPLAY 1. ERROR DISPLAY 1-1. For ASU9 / 12RL (AOU9 / 12RL) Trouble Error contents LED Flashing Pattern shooting Discharge temperature error Continuously lighting IPM error 0.5sec ON / 0.5sec OFF CT error 2sec ON / 2sec OFF Compressor rotor location cannot detect 0.1sec ON / 2sec OFF Outdoor unit sensor error...
6-1-3 INDOOR UNIT DISPLAY 1. ERROR DISPLAY Operation Timer Trouble Error contents shooting Communication error in start-up 2 times flash (Serial reverse transfer error) Communication error in operation 3 times flash (Serial reverse transfer error) Communication error in start-up 4 times flash (Serial forward transfer error) Communication error in operation 5 times flash...
6-2 TROUBLE SHOOTING WITH ERROR CODE Trouble shooting 1 Indicate or Display: INDOOR UNIT Error Method: Outdoor Unit : No indication Indoor Unit : Operation LED : OFF, Timer LED : 8 times Communication Error ERROR CODE : [E : 00] (Indoor unit Remote control) Detective details:...
Indicate or Display: Indicate or Display: Trouble shooting 2 OUTDOOR UNIT Error Method: Outdoor Unit : No indication Indoor Unit : Operation LED : OFF, Timer LED : 2 or 3 times Communication Error ERROR CODE : [E : 01] (Serial Reverse Transfer Error) Detective details: Detective Actuators:...
Indicate or Display: Trouble shooting 3 Outdoor Unit : No indication INDOOR UNIT Error Method: INDOOR UNIT Indoor Unit : Operation LED : 2 times, Timer LED : 2 times Room Temperature Sensor Error ERROR CODE : [E : 02] Detective details: Detective Actuators: Indoor Unit Controller PCB Circuit...
Indicate or Display: Trouble shooting 4 INDOOR UNIT Error Method: Outdoor Unit : No indication INDOOR UNIT Indoor Unit : Operation LED : 2 times, Timer LED : 3 times Indoor Heat Exchanger Temperature ERROR CODE : [E : 04] Sensor Error Detective Actuators: Detective details:...
Indicate or Display: Trouble shooting 5 OUTDOOR UNIT Error Method: Outdoor Unit : LED 0.1sec ON/ 0.1sec OFF Indoor Unit : Operation LED : 3 times, Timer LED : 3 times Outdoor Heat Exchanger Temperature ERROR CODE : [E : 06] Sensor (Outlet) Error Detective Actuators: Detective details:...
Indicate or Display: Trouble shooting 6 OUTDOOR UNIT Error Method: Outdoor Unit : LED 0.1sec ON/ 0.1sec OFF INDOOR UNIT Indoor Unit : Operation LED : 3 times, Timer LED : 4 times Outdoor Temperature Sensor Error ERROR CODE : [E : 0A] Detective Actuators: Detective details: Outdoor Unit Main PCB Circuit...
Indicate or Display: Trouble shooting 7 OUTDOOR UNIT Error Method: Outdoor Unit : LED 0.1sec ON/ 0.1sec OFF INDOOR UNIT Indoor Unit : Operation LED : 3 times, Timer LED : 2 times Outdoor Discharge Pipe Temperature ERROR CODE : [E : 0C] Sensor Error Detective details: Detective Actuators:...
Indicate or Display: Trouble shooting 8 OUTDOOR UNIT Error Method: Outdoor Unit : LED continuously lighting INDOOR UNIT Indoor Unit : Operation LED : 7 times, Timer LED : 2 times Discharge temperature error ERROR CODE : [E : 0F] Detective details: Detective Actuators: When the discharge temperature becomes higher than 230°F(110°C),...
Indicate or Display: Trouble shooting 9 Indicate or Display: INDOOR UNIT Error Method: Outdoor Unit : No indication Indoor Unit : LED concurrently blinking Indoor EEPROM abnormal ERROR CODE : [E : 11] (Model No.) Detective details: Detective Actuators: Indoor Unit Controller PCB circuit When the model information being read from EEPROM has an apparent error.
Indicate or Display: Trouble shooting 10 INDOOR UNIT Error Method: Outdoor Unit : No indication Indoor Unit : Operation LED : 6 times, Timer LED : 2 or 3 times Indoor Fan Motor abnormal ERROR CODE : [E : 12] Detective Actuators: Detective details: Indoor Unit Controller PCB Circuit...
Indicate or Display: Trouble shooting 11 Indicate or Display: INDOOR UNIT Error Method: Outdoor Unit : No indication Indoor Unit : Operation LED : OFF, Timer LED : 4 or 5 times Outdoor Communication Signal Error ERROR CODE : [E : 13] (Forward Transfer Signal Error) Detective details: Detective Actuators:...
Indicate or Display: Trouble shooting 12 OUTDOOR UNIT Error Method: Outdoor Unit : LED 0.5sec ON/ 0.5sec OFF Indoor Unit : Operation LED : 5 times, Timer LED : 2 times IPM error (Permanent Stop) ERROR CODE : [E : 17] Detective details: Detective Actuators: When more than normal operating current to IPM in Main PCB flows,...
Indicate or Display: Trouble shooting 13 Outdoor Unit : LED 2sec ON/ 2sec OFF OUTDOOR UNIT Error Method: Indoor Unit : Operation LED : 5 times, Timer LED : 3 times CT error ERROR CODE : [E : 18] Detective Actuators: Detective details: When Input Current Sensor has detected 0A, while Inverter Compressor is Outdoor Unit Main PCB Circuit...
Indicate or Display: Indicate or Display: Trouble shooting 14 Outdoor Unit : No indication OUTDOOR UNIT Error Method: INDOOR UNIT Indoor Unit : Operation LED : 8 times, Timer LED : 2 times Active Filter Module (AFM) error ERROR CODE : [E : 19] Detective details: Detective Actuators: When inverter input DC voltage is higher than 467V or...
Trouble shooting 16 Indicate or Display: OUTDOOR UNIT Error Method: Outdoor Unit : LED 5sec ON/ 5sec OFF Indoor Unit : Operation LED : 5 times, Timer LED : 6 times Outdoor Unit Fan Motor Error ERROR CODE : [E : 1b] Detective Actuators: Detective details: When outdoor fan rotation speed is less than 100rpm in 20 seconds...
Indicate or Display: Trouble shooting 17 INDOOR UNIT Error Method: Outdoor Unit : No indication INDOOR UNIT Indoor Unit : Operation LED : 4 times, Timer LED : 2 times Indoor manual auto switch error ERROR CODE : [E : 20] Detective Actuators: Detective details: Indoor Unit Controller PCB Circuit...
Indicate or Display: Trouble shooting 18 OUTDOOR UNIT Error Method: Outdoor Unit : No indication Indoor Unit : Operation LED : 7 times, Timer LED : 3 times Excessive high pressure protection on cooling ERROR CODE : [E : 24] Detective details: Detective Actuators: Excessive high pressure protection on cooling mode has been...
Indicate or Display: Trouble shooting 19 OUTDOOR UNIT Error Method: Outdoor Unit : No indication INDOOR UNIT Indoor Unit : Operation LED : 8 times, Timer LED : 4 times PFC circuit error ERROR CODE : [E : 25] Detective Actuators: Detective details: When inverter output DC voltage is higher than 415V for over 3 seconds, Outdoor Unit Main PCB Circuit...
6-3 TROUBLE SHOOTING WITH NO ERROR CODE Forecast of Cause: Trouble shooting 20 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.
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Forecast of Cause: Trouble shooting 21 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 &...
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Forecast of Cause: Trouble shooting 22 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.
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Forecast of Cause: Trouble shooting 23 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?
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Forecast of Cause : Trouble shooting 24 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?
6-4 SERVICE PARTS INFORMATION SERVICE PARTS INFORMATION 1 Compressor Diagnosis method of Compressor ( If Outdoor Unit LED displays Error, refer to Trouble shooting ) Abnormal noise Does not start up Stops soon after starting up Check if vibration noise by Is there open or loose connection Is there open or loose connection loose bolt or contact noise...
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SERVICE PARTS INFORMATION 2 Inverter Compressor Check Point 1 : Check Connection Check terminal connection of Compressor Check connection of Main PCB (loose or incorrect wiring) (Loose or incorrect wiring) Terminal cover opened For AOU9RL MAIN PCB (BLACK) (WHITE) (RED) BLACK WHITE Compressor...
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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 BROWN BLUE CN40 ORANGE YELLOW WHITE Check Point 2 : Check Coil of EEV Check Point 3 : Check Voltage from Main PCB.
R410A WALL MOUNTED type INVERTER 7 . APPENDING DATA 1. Function setting 2. Outdoor unit Pressure Value and Total Electric Current Curve 3. Thermistor Resistance Values 4. Capacity...
7-1. FUNCTION SETTING 7-1-1 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.
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7-1-2 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.
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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.
1. Operate on Colling mode, and press TEST button of remote control. 2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automatically.) (1) Indoor/Outdoor Temperature - Outdoor Low Pressure Curve ASU9RL ASU12RL [60Hz-230V] [60Hz-230V]...
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1. Operate on Heating mode, and press TEST button of remote control. 2. Operate continuously for 30 minutes. (After 60 minutes of operation, Test mode is released automatically.) (1) Indoor/Outdoor Temperature - Outdoor High Pressure Curve ASU9RL ASU12RL [60Hz-230V] [60Hz-230V]...
R410A WALL MOUNTED type INVERTER 8 . REPLACEMENT PARTS...
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REPLACEMENT PARTS Models : ASU9RL ASU12RL Front Panel Assy Air Filter Air Filter Front Panel Clamper (Grille) Receiver Window Intake Grille Assy Panel Cover Remote Control Remote Control Holder 08-01...
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REPLACEMENT PARTS Models : ASU9RL ASU12RL Evaporator Holder L Rear Bracket Evaporator Holder R Filter Guide Evaporator Assy Joint Pipe Assy Room Thermistor Holder Evaporator Total Assy 08-02...
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REPLACEMENT PARTS Models : ASU9RL ASU12RL Crossflow Fan Assy Bracket Panel Shaft Holder C Fan Motor Motor Cover Drain Cap R and L Louver B Casing Casing Cover B Louver Gear Holder Gear A Drain Hose Assy Louver Gear Casing Cover F...
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REPLACEMENT PARTS Models : ASU9RL ASU12RL Box Shield Control Box Controller PCB Assy Cable Shield Plate Control Cover Display PCB Assy Cover Shield Display Case 08-04...
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REPLACEMENT PARTS Models : AOU9RL AOU12RL Protective Net Top Panel Assy Cabinet Left Assy Separator Assy Front Panel Assy Reactor Assy Switch Cover Valve Bracket Cover Emblem REM Plate Assy Valve Bracket Motor Bracket Cabinet Right Assy Front Panel Assy Propeller Fan Fan Motor 08-05...
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REPLACEMENT PARTS Models : AOU9RL Condenser Assy Pulse Motor Expansion Valve Coil Valve Assy 4 way Valve Compressor Assy Entrance Pipe Assy (Cond) Discharge Pipe Assy Exit Pipe Separate Pipe Muffler Assy (Cond) Base Assy Cushion 2 way Valve Assy 3 way Valve Assy Models : AOU12RL Condenser Assy...