Heating Operation (Room Heating / Tank Heating) - Panasonic WH-ADF0309J3E5CM Service Manual

16.2 Heating Operation (Room Heating / Tank Heating)

16.2.1 Outdoor fan control

When heating operation is enabled, based on outdoor ambient temperature, fan motor control will be adjusted
according to figure below for Heating overload control:
16.2.2 Powerful Operation 2

During cooling / heating operation, this control is to provide fast cooling / heating operation compare to normal
operation.

Operation start if all condition below are complied:
Powerful operation ON for indoor unit.
o
Not under Annual Cooling control.
o
Not in freeze / dew prevention status.
o
Not in Heat recovery mode.
o

Operation content:
Outdoor fan speed will adjust automatically.
o
Compressor frequency will adjust automatically.
o

Operation stop when comply either one of the follow conditions:
When the powerful operation is OFF for all indoor units.
o
When annual cooling control activated.
o
When freeze / dew prevention control is activated.
o
16.2.3 Heating Quiet Operation

Provide Quiet heating operation when only 1 room / 1 tank in operation.
Starting Condition.

Indoor fan speed is lower than low fan → only available for room indoor.

Quiet mode signal (Level 1, 2, 3) is set → only available for tank.

Only 1 operation indoor / tank unit.

Not initial frequency operation.

Not in any of heating overload zone.
* All condition above are satisfied.
Control Contents.
Compressor frequency and outdoor fan speed maximum limit is set.
Cancel Condition.

Indoor fan speed is higher or equal to low fan (only available for room indoor).

Quiet mode signal is cancelled (only available for tank unit).

> 1 operation room or tank unit.

During initial frequency operation.

During any of heating overload zone.
When any of above condition is satisfied.
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