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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 flow 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: