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defrosting signal of indoor unit will remain until the outdoor enters defrosting mode.
Note: When outdoor compressor not running, the unti still can enter manual defrosting, but it will comply with the
3-minute protection of compressor.
6.6.4 Defrosting operation ow chart:
Beginning end
Fixed frequency Indicated FQY 60s Defrosting FQY 80 Hz（E） 60s Soft startup
Compressor
0HZ 0HZ
5s
Outdoor motor ON Send defrosting signal to indoor Auto
OFF
4-way valve ON
OFF 15s
450-pulse 450-pulse
350-pulse(E)
All EEVs Auto open angle Auto open angle
All indoor motors ON
OFF Anti- cold air fun ction
Multi:
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