Panasonic WH-MHF09G3E5 Service Manual page 74


Deice operation time diagram
a. Deice mode 1 control:
Compressor
Four way valve
ID pump
OD fan
Expansion valve
b. Deice mode 2 control:
Sequence
Compressor
Four way valve
Expansion valve
Expansion valve
Gas Bypass SV
Free
1 2
ON
ON
Free
Free
Normal
Deice
4~6 1
O F F O N
OD fan OD fan
OFF OFF
Main
Bypass
0
OFF ON
ON OFF
Pump
3 5
4
OFF
ON
OFF
max 9 minutes 30 seconds
deice 1
Deice mode 2
max 30 minutes
2 3 4 5
74
8
6 7
ON
ON
Free
Heating
operation
6 7 8
Free
O N
Free
Free
Free
OFF
ON
Free
9