Electronic Expansion Valve Control; Test Operation Control; Prevent To Start For 3 Minutes (3 Minutes St); 4-Way Valve Extension Select - Fujitsu AUXG45LRLB Service Instruction

1-10. 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
and the outdoor temperature sensor.
30,36LBTA
45,54LBTA
At the time of supplying the power to the outdoor unit, the initialization of the electroni c
expansion valve is operated (528 pulses are input to the closing direction).

1-11. TEST OPERATION CONTROL

With Wired Remote Controller
Touch the [Test run] in the "Maintenance" screen.
(Installer password* is required.)
The "Test Run" screen is displayed.
Touch [OK] to return to the Maintenance screen, and start the test run.
The test run will automatically end is approximately 60 min.
If you wish to cancel the test run before it is complete, return to the "Monitor Mode screen", and touch
the On/Off button.
With Wireless Remote Controller
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 LED and Timer LED of the air conditioner body blinks 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.
1-12. PREVENT TO RESTART FOR 3 MINUTES ( 3 MINUTES ST )
The compressor won't enter operation status for 3 minutes after the compressor is stopped,
even if any operation is given.

1-13. 4-WAY VALVE EXTENSION SELECT

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.
The pulse range of the electronic expansion valve control is
53 ~ 480 pulses (Cooling) and 40 ~ 480 pulses (Heating).
The pulse range of the electronic expansion valve control is
53 ~ 480 pulses (Cooling) and 53 ~ 480 pulses (Heating).
*If the password has been changed from the default setting "0000",
please contact the installer.
01-17