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7-9. 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 table below.
Operation mode
Cooling/dry mode
Heating mode
NOTE: At the time of supplying the power to the outdoor unit, the initialization of the electronic ex-
pansion valve is operated (528 pulses are input to the closing direction).
7-10. Prevention to restart for 3 minutes (3 minutes st)
When the compressor fails to start for the number of times below, it does not enter operation status
for 3 minutes.
Retry number
Retry set number
When the compressor fails to start in the retry set number above, the compressor is stopped.
7-11. 4-way valve control
• If heating mode is selected at the compressor start, 4-way valve is energized for heating.
• When the air conditioner is switched between cooling and heating mode, compressor is stopped,
and the 4-way valve is switched when the 140 seconds passes and the compressor is started.
7-12. Outdoor unit low noise operation
The outdoor unit low noise operation functions by OUTDOOR UNIT LOW NOISE button on the re-
mote controller.
This operation stops the PFC control, and changes the current value.
Operation mode
Cooling/Dry mode
Heating mode
7-9. Electronic expansion valve control
Between 52 and 480 pulses
Trigger condition
3.5 A
- (04-28) -
Pulse range
50
3
Current
Release condition
3.0 A
7. Various control
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