
Normal Deice Operation
Deice operation will start as the deice operation instruction is launched. But the first deice operation starts one hour after
the heating operation starts.
If one of the following situations exists, the instruction of the deice will be launched: The outdoor heat exchanger
temperature remains less than 3 for 120 minutes and -6 for 3 minutes continuously, the outdoor air temperature
is higher than -1 and the compressor is on.
The outdoor heat exchanger temperature remains less than 3 for 80 minutes and -7 for 3 minutes continuously,
the outdoor air temperature is higher than -1 and the compressor is on
The outdoor heat exchanger temperature remains less than 3 for 40 minutes and -9 for 3 minutes continuously,
the outdoor air temperature is higher than -3 and the compressor is on
The outdoor heat exchanger temperature remains less than 3 for 40minutes and -11 for 3 minutes continuously,
the outdoor air temperature is lower than -3 and the compressor is on
Note: The first deice operation occurs 60 minutes after the beginning of the operation.
Time Graph
Free
1
2
3
4
5
Free
Free
OFF
Free
OFF
OFF
ON
ON
Deice Operation
ON
ON
Frequency for
Compressor
Indoor
Unit
Outdoor
Fan
4-way
Valve
18
15
9
-2
Deice
Terminated
Frequency
For
Compressor
Indoor Fan
Outdoor Fan
4-way Valve
PE12DKE
1
234
56 7
PE9DKE
40Hz
40Hz
65Hz
65Hz
40Hz
40Hz
40Hz
40Hz
65Hz
65Hz
0Hz
0Hz
0Hz
0Hz
ON OFF OFF OFF OFF OFF
ON
OFF OFF OFF OFF ON ONON
OFF OFF OFF OFF OFF ONON
6
7
T1
T2
T3 T4 T5 T6 T7
Outdoor
Heat
Exchanger
Temperature.
35
CS-PE9DKE / CU-PE9DKE / CS-PE12DKE / CU-PE12DKE
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