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3)Heating Mode
Heating Process
When the indoor ambient drops 2 F below the preset temperature, the unit will start the heating cycle. e outdoor
fan, compressor and 4-way valve will operate. e indoor fan will operate in the “Cold Air Prevention” mode in which
the indoor fan will have a 2 minute delay aer the call for heating. e indoor evaporator coil temperature must reach
104 F before the indoor fan will start, this will prevent cold air from discharging from the indoor coil. When the indoor
evaporator coil temperature is > 104 F, the indoor fan will operate at low speed for 1 minute. With 1 minute of operation
or 2 minutes of no fan operation and the indoor evaporator coil temperature is > 108 F, the indoor fan will operate at its
preset condition.
If the indoor ambient temperature is < 9 F and > 2 F of the preset temperature, the unit will run in its original mode of
operation.
If the compressor is running and the mode is changed from heating to cooling, the compressor will stop, the 4-way valve
will be de-energized 2 minutes later, the outdoor fan will stop aer a 1 minute delay.
If the indoor ambient temperature is >= 9 F than the preset temperature, the compressor will stop and the outdoor fan will
stop aer a 60 second delay. e indoor fan will continue to operate at its preset mode.
e G10 technology will determine compressor frequency based on ambient temperatures.
+9 F
+ 2 F
Stop heating
Basic Functions
Product Introduction
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