Panasonic WH-ADF0309J3E5CM Service Manual page 208

16.1.3 Outdoor Cooling Quiet Operation Control

Purpose
Provide quiet cooling operation when only 1 indoor in operation.

Start Condition
Indoor fan speed is lower than Lo fan.
o
Only 1 operation indoor unit.
o
Not in any cooling overload zone.
o
Not during annual cooling
o
Not initial frequency operation.
o
Not during starting control.
o
During cool mode
o
Not in Heat Recovery mode.
o
All conditions above are satisfied and function selection enable.

Control Contents
Compressor frequency and outdoor fan speed maximum limit is set. Adjust accordingly.

Cancel Condition
Indoor fan speed is equal or higher than Lo fan.
o
> 1 operation indoor unit.
o
In any cooling overload zone.
o
During annual cooling
o
Initial frequency operation.
o
During starting control.
o
Not during cool mode
o
When any above is satisfied
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