Heating in operation according to Remote Control setting.
Time Delay Safety Control
30 minutes Time Save Control
Overload Protection Control
(b) Compressor high pressure protection
Compressor Reverse Rotation Protection Control
4-way Valve Control
Outdoor Fan Motor Control
Indoor Fan Motor Control
8.3. Heating Mode Operation
• When the compressor is stopped by Remote Control, it restarts after 3 minutes when the Remote Control is turned ON.
• When the setting temperature is reached during heating operation, the compressor stops and it will not start for 4 minutes.
• The compressor will start automatically if it has stopped for 30 minutes even if the room temperature is between the compressor
ON temperature and OFF temperature.
(a) Outdoor Fan Control
• If the temperature of the indoor heat exchanger rises to 51°C, Outdoor Fan stops.
The Outdoor Fan restarts when the indoor heat exchanger temperature falls to 49°C.
• If the indoor heat exchanger becomes 65°C or more, the compressor will stop and restart automatically.
(Time Delay Safety Control - 4 minutes waiting).
• If the compressor is operating continuously for 5 minutes or longer and temperature difference between intake air and indoor
heat exchanger is 5°C or less for 2 minutes, compressor will stop and restart automatically.
(Time Delay Safety Control is valid).
s T = Indoor heat exchanger temperature - intake air temperature.
This is to protect reverse rotation of the compressor when there is a instantaneous power failure.
• 4-way valve always 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.
• When compressor stops (reaches room temperature), outdoor fan will operate for 30 seconds.
(30 seconds Forced Operation).
• When compressor stops (reaches room temperature), indoor fan will stop for 1 minutes, operate for 3 minutes, if still not yet
reaches the room temperature, indoor fan Lo- for 40 sec. after that operate at SLo speed.
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