8. ELECTRONIC EXPANSION VALVE CONTROL
9. TEST OPERATION CONTROL
The compressor won't enter operation status for 3 minutes after the compressor is stopped,
even if any operation is given.
10. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )
The most proper opening of the electronic expansion valve is calculated and controlled under the
present operating condition based on the Table 13 .
The compressor frequency, the temperatures detected by the discharge temperature sensor
and the outdoor temperature sensor.
At the time of supplying the power to the outdoor unit, the initialization of the electronic
expansion valve is operated (825 pulses are input to the closing direction).
Cooling /Dry mode
Heating mode
AOU36RLXFZH
AOU45RLXFZ
Operation mode Pulse range
50 ~ 480
30 ~ 480
( Table 12 : The pulse range of the electronic expansion valve control )
At the time when the air conditioner is switched from the Cooling mode to Heating mode,
the compressor is stopped, and the 4-way valve is switched in 3 minutes later
after the compressor stopped.
11. 4-WAY VALVE EXTENSION SELECT
Under the condition where the air conditioner stops, press the MASTER CONTROL button and
the FAN CONTROL button simultaneously for 5 seconds or more, and the test operation control
mode will appear.
During test running, " " will display on the remote controller display.
Set the test operation mode, and the compressor will continue to run regardless of whatever
the room temperature sensor detects.
The test operation mode is released if 60 minutes have passed after setting up the test operation.
With Wired Remote Controller ( without TEST RUN button )
Under the condition where the air conditioner runs, press the TEST RUN button, and
the test operation control mode will appear.
During test running, the operation lamp and timer lamp of the air conditioner body twinkle simultaneously.
Set the test operation mode, and the compressor will continue to run regardless of whether the room
temperature sensor detects.
The test operation mode is released if 60 minutes have passed after setting up the test operation.
With Wireless Remote Controller ( with TEST RUN button )
With Wireless Remote Controller ( without TEST RUN button )
Under the condition where the air conditioner runs, press the MANUAL AUTO button of the
indoor unit for more than 10 seconds.
During test running, the operation lamp and timer lamp of the air conditioner body twinkle simultaneously.
Set the test operation mode, and the compressor will continue to run regardless of whether the room
temperature sensor detects.
The test operation mode is released, if 60 minutes have passed after setting up the test operation
or pressing the MANUAL AUTO button of the indoor unit for more than 3 seconds.
01-19
Outdoor unit TEST RAN operation
It can carry out test run from the outdoor unit (Refer to 30.TEST RUN (For Outdoor unit)”)
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