Panasonic CS-PE9DKE Service Manual page 26

CS-PE9DKE / CU-PE9DKE / CS-PE12DKE / CU-PE12DKE
F. Compressor Protection Control (Gas Leakage)
1.When the conditions listed in the table occur, the compressor stops and restarts after three minutes.
2. If this continuously occur for twice within 20 minutes, all indoor and outdoor relays will be cut off.
3.This control is not applicable for deice operation.
Comp Frequency
Total Outdoor Current
Indoor Piping Temp
Operation Mode
Model
G. Low Operation Frequency Protection Control
If one of the following conditions exists, the compressor will run with the frequency of 40 Hz
Intake Air Temp
Outdoor Temp
Indoor Piping Temp
Operation Mode
4-way Valve Control
1. The 4-way valve will be turned on as the compressor starts to operate and remains on all the time during the heating
operation.
2.The 4-way valve remains on for less than 3 minutes after heating operation is stopped.
3.The 4-way valve remains off during cooling and soft dry operation.
4.If the operation is shifted from cooling or dry to heating mode, the switching of 4-way valve will be delayed for 3 minutes.
Heating
Comp
4-way Valve
Status
4-way Valve
Drive Signal
Voltage Across
4-way Valve
5.Heating Operation Mode
Four minutes after the start of the operation, if the indoor piping temperature detected is lower than 0
will stop.( Restarts in 3 minutes) If this situation happens 4 times within 30 minutes, error code "F11" will be displayed.
6.Cooling Operation Mode
Four minutes after the start of the operation, if the indoor piping temperature detected is higher than 45 , the operation
will stop ( Restarts in 3minutes). If this situation happens 4 times within 30 minutes, error code "F11" will be displayed.
45Hz or Above 64Hz or Above
Ib I 1.3 Ib I 1.6
20 or Above 25 or Less
Cool/Dry Heat
PE9DKE
30 or 15 _______
38 or 16 24
30 0
Cool/Dry Heat
14V
0V
2s
58Hz or Above 73Hz or Above
Ib I 1.3
20 or Above 25
Cool/Dry
PE12DKE
or 4
5V
26
Ib I 1.6
or Less
Heat
, the operation