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64
o
C
61
o
C
52
o
C
Fan
Compressor
On
On Selected Speed
On On
Cooling Mode - Indoor Fan Low.
Heating Mode - Outdoor fan OFF.
Off
Cooling - Outdoor coil temp.
Heating - Indoor coil temp.
Opp LED
On On
Flash
Process of Operation
High outdoor coil temperature protection mode and indoor fan operation in Cooling mode.
AND
High indoor coil temperature protection mode and outdoor fan operation in Heating mode.
Cooling - Outdoor Coil Temp.
Heating - Indoor Coil Temp.
Cooling Protection Mode.
High outdoor coil temperature protection mode and indoor fan operation in Cooling mode.
Indoor fan goes to low speed at 61
o
C to reduce the unit’s capacity therefore reducing the outdoor
coil temperature.
Compressor cuts out at 64
o
C. (outdoor coil high temperature protection).
This condition can be experienced if the unit is overcharged or under normal cooling operation on a
very high ambient day > 40
o
C.
Heating Protection Mode
High indoor coil temperature protection mode and outdoor fan operation in Heating mode.
Outdoor fan cuts off at 61
o
C to reduce the unit’s capacity therefore reducing the indoor coil
temperature.
Compressor cuts out at 64
o
C. (indoor coil high temperature protection).
This condition can be experienced if the unit is overcharged or under normal heating operation on a
high ambient day > 16
o
C.