Heating Mode Operation - Panasonic CS-A28BKP5 Service Manual

CS-A28BKP5/CU-A28BKP5
8.3.

Heating Mode Operation

• Heating in operation according to Remote Control setting.
Time Delay Safety Control
• When the compressor is stopped by Power Switch, Remote Control or there is a power failure, it restarts after 3 minutes when
the Power Switch, Remote Control is turned ON or the power supply is resumed.
• When the setting temperature is reached during heating operation, the compressor stops and it will not start for 4 minutes.
30 minutes Time Saved Control
• The compressor will start automatically if it has stopped for 30 minutes even if the room temperature is below the compressor
OFF temperature.
Overload Protection Control
• If the temperature of the Outdoor Heat Exchanger less than -3°C, Outdoor Fan is ON. The Outdoor Fan stop, when Outdoor
Heat Exchanger temperature is T
During starting of Heating mode and after deice, Outdoor Fan ON for 90 sec. (Hi).
• If the Indoor heat exchanger becomes 68°C or more, the compressor will stop and restart automatically.
(Time Delay Safety Control - 4 minutes waiting)
4-way Valve Control
• 4-way valve ON during Heating operation, except deicing operation.
• When the unit is switched to "OFF" during Heating operation, 4-way valve stay at Heating position for 5 minutes.
Hot Start Control
When Heating operation starts, Indoor Fan will not start until the indoor heat exchanger reaches 30°C as diagram shown.
Hot Start is completed when indoor heat exchanger reaches
42°C.
Maximum Hot start duration = 4 minutes. After 4 minutes, Hot
start operation will be shifted to normal Heating operation.
or more according to Outdoor Air Temperature region as table below:
b
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