Panasonic cs-pa7dkd Service Manual page 5

Outdoor Unit
Anti-reverse Protection
To protect the compressor from reverse
rotation when power off suddenly.
Overload Protector
The 2-step Overload Protector is to protect
the compressor when
1)Temperature of compressor reaches 150
(PA7DKD,PC7DKD,PA9DKD) or
(PC9DKD)
2)High temperature or current enters into the
compressor
60-seconds Test Operation Control
Once the compressor is activated, it does not
stop for 60 seconds. It stops immediately with
remote control ON/OFF button.
Deicing Control
Anti-freezing operation for outdoor unit(during
Heating Mode Operation only)
Temperature of the condenser is tested by TRS.
(For PA7DKD,PA9DKD only)
Overload Protection Control
(For PA7DKD,PA9DKD only)
145
4-way Valve Control
(Only for PA7DKD,PA9DKD)
If the unit is stopped during Heating
Operation,the 4-way valve will remain in
heating mode operation for 5 minutes.
5
CS-PA7DKD / CU-PA7DKD / CS-PC7DKD / CU-PC7DKD
When the temperature of evaporator
reaches 51 ,outdoor fan stops,and will
restart when the temperature of evaporator
declines to 49 .
When the temperature of evaporator
reaches 65 ,compressor will stop.