Panasonic CS-PE9CKE / CU-PE9CKE / CS-PE12CKE / CU-PE12CKE Service Manual ▷ View online
B. Indoor Fan Control
1. Indoor fan is controlled by the indoor piping temperature.
Piping Temperature(°C)
K0
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
Auto Airflow
Direction
Direction
16
19
24
31
32
34
36
39
55
55
58
Manual Airflow
Direction
Direction
16
19
24
31
32
34
37
39
55
55
58
2. During heating operation, the maximum fan speed is Lo when the compressor stops.
3. Hot Start
When the heating operation starts, the indoor fan stops and the compressor runs with the frequency of 117Hz. This is to
prevent the cold airflow from blowing.
prevent the cold airflow from blowing.
If the piping temperature rises to 19°C, and the indoor fan speed and airflow direction varies with the indoor piping
temperature, the hot start control is completed.
temperature, the hot start control is completed.
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CS-PE9CKE / CU-PE9CKE / CS-PE12CKE / CU-PE12CKE
C. Overload Protection Control
The frequency for the compressor is determined by indoor piping temperature.
D. Outdoor Air Temp Control
One minute after the start-up of the compressor, outdoor air temperature control starts.
E. New JIS Deice Operation
Deice operation starts immediately after the deice instruction is received. But the first deice operation starts 1 hour after the
heating operation is activated.
heating operation is activated.
1. Outdoor heat exchanger temperature is lower than3°C for 30 minutes.
2. Outdoor heat exchanger temperature is lower than -1°C continuously for 3 minutes.
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CS-PE9CKE / CU-PE9CKE / CS-PE12CKE / CU-PE12CKE
Time Graph
1
2
3
4
5
6
7
Frequency For
Compressor
Compressor
PE9CKE
58Hz
58Hz
71Hz
51Hz
51Hz
99Hz
99Hz
PE12CKE
58Hz
58Hz
71Hz
51Hz
51Hz
99Hz
99Hz
Indoor Fan
ON
OFF
OFF
OFF
OFF
ON
ON
Outdoor Fan
ON
OFF
OFF
OFF
OFF
ON
ON
4-way Valve
ON
OFF
OFF
OFF
OFF
ON
ON
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CS-PE9CKE / CU-PE9CKE / CS-PE12CKE / CU-PE12CKE
F. Normal Deice Operation
If one of the following situations exists, the instruction of the
Note: The first deice operation occurs 60 minutes after the
beginning of the operation.
beginning of the operation.
deice will be launched:
Deice operation will start as the deice operation instruction is launched. But the first deice operation starts one hour after
the heating operation starts.
the heating operation starts.
Time Graph
1
2
3
4
5
6
7
Frequency For
Compressor
Compressor
PE9CKE
40Hz
40Hz
65Hz
65Hz
40Hz
0Hz
0Hz
PE12CKE
40Hz
40Hz
65Hz
65Hz
40Hz
0Hz
0Hz
Indoor Fan
ON
OFF
OFF
OFF
OFF
OFF
ON
Outdoor Fan
ON
OFF
OFF
OFF
OFF
ON
ON
4-way Valve
ON
OFF
OFF
OFF
OFF
OFF
ON
•
•
•
• The outdoor heat exchanger temperature remains less than 3°C for 120 minutes and -6°C for 3 minutes continuously, the
outdoor air temperature is higher than -1°C and the compressor is on.
•
•
•
• The outdoor heat exchanger temperature remains less than 3°C for 80 minutes and -7°C for 3 minutes continuously, the
outdoor air temperature is higher than -1°C and the compressor is on.
•
•
•
• The outdoor heat exchanger temperature remains less than 3°C for 40 minutes and -9°C for 3 minutes continuously, the
outdoor air temperature is higher than -3°C and the compressor is on.
•
•
•
• The outdoor heat exchanger temperature remains less than 3°C for 40minutes and -11°C for 3 minutes continuously, the
outdoor air temperature is lower than -3°C and the compressor is on.
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CS-PE9CKE / CU-PE9CKE / CS-PE12CKE / CU-PE12CKE
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