Panasonic CS-E15EKEA, Service Manual

Page: 46 / 90

46
• Control contents:
Outdoor fan speed (switch to zone A and B minimum fan speed).
Outdoor total current (zone C) higher than the specified.
• Cancellation condition: When one of above is not satisfied.
12.2.3. Freeze Prevention Control
1. When indoor heat exchanger temperature is lower than 2
°
C continuously for six minutes, compressor will stop operating.
2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 10
°
C.
3. At the same time, indoor fan speed in40 rpm compared to its normal operation.
4. If indoor heat exchanger temperature is higher than 10
°
C for five minutes, the fan speed will return to its normal operation.
12.3. Protection Control For Heating Operation
12.3.1. Intake Air Temperature Control
Compressor will operate at rated freq. or less respectively if either one of the below conditions occur:
1. When the indoor intake air temperature is above 10
°
C and remote control setting fan speed is lower Me-.
2. When the indoor intake air temperature is 30
°
C or above.
12.3.2. Outdoor Air Temperature Control
The compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the below figures. This
control will begin one minute after the compressor starts.