12. OFF DEFROST OPERATION CONTROL
When operation stops in the [Heating operation] mode, if frost is adhered to the outdoor unit
condenser coil, the defrost operation will proceed automatically. In this time, if indoor unit operation
lamp flashes slowly (7 sec ON / 2 sec OFF), the outdoor unit will allow the condenser coil to defrost,
and then stop.
3. OFF DEFROST FLOWCHART
Heating operation stop
Outdoor condenser coil temp. :
Below 24.8°F (-4°C)
and
Compressor integrating operation :
Over 30 minutes
Defrost start
Defrost Indicator: [Operation lamp]
7 sec ON / 2 sec OFF (RP1736,48HJVXA)
Outdoor condenser coil temperature : Over 55.4°F (13°C) (RP1724, 30HJVXA)
59.0°F (15°C) (RP1736, 48HJVXA)
or
Compressor ON time : Maximum 15 minutes
Defrost end
Outdoor condenser coil temperature is higher than 55.4°F (13°C) (RP1724, 30HJVXA)
59.0°F (15°C) (RP1736, 48HJVXA)
or
Compressor operation time has passed 15 minutes.
1. OFF DEFROST OPERATION CONDITION
In heating operation, the outdoor condenser coil temperature is less than 24.8°F (-4°C), and
compressor operation integrating time lasts for more than 30 minutes.
2. OFF DEFROST RELEASE CONDITION
OFF defrost operation is released when the conditions becomes as below.
04-28
6 sec ON / 2 sec OFF (RP1724,30HJVXA)
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