214
Beginning End
60s 60s
Inverter compressor
30s
Indicated FQY Defrosting FQY 85 Hz（E） Soft startup
50HZ
32HZ
10s
Outdoor fan motor ON Send signal to indoor unit Auto
OFF
4-way valve ON
OFF
ON
Unload valve SV1 OFF Auto
250pulse（E）
PMV auto open angle Auto open angle
Indoor fan motor ON
OFF Anti-cold air function
Unitary
2.3.7 Defrosting operation ow chart:
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