Gree GMV-PD140W/NAB-K

14
DC Inverter Multi
VRF Service Manual
DPOUSPM
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Timing diagram of the defrosting process
Defrosting
preparation
Defrosting
process
Defrosting
termination
Compressor
frequency
4-way valve
Outdoor fan
Electronic
expansion valve
Inside electronic
expansion valve
Indoor fan
Gas by-pass
fx
Px
Px
40HZ
40HZ
70HZ
ON
OFF
ON
ON
OFF
High fan
speed
580P
300P
OFF
OFF
OFF
ON
ON
ON
OFF
ON
200P
250P
30s
2min
4min
Defrosting sign
Heating time
marker
Defrosting time
marker
ON
ON
0
1
0
ON
OFF
OFF
OFF
T=<10 min
Anti
-
cold air
Defrosting Process Sequence Chart
60HZ
2min
50HZ
60HZ
1min
1min
30s