Defrost Cycle Sequence Of Operation - GE ASH220NCDWA Service Manual

Defrost Cycle Sequence of Operation

Multi:
Fixed frequency
Compressor
Outdoor motor
4-way valve
All EEVs
All indoor motors ON
B-10
Operations
Beginning
Indicated FQY 60s
0HZ
5s
ON
OFF
ON
OFF
450-pulse
Auto open angle
OFF
OUTDOOR TECHNICAL OVERVIEW
end
Defrosting FQY 80 Hz （ E）
Send defrosting signal to indoor
350-pulse(E)
60s Soft startup
0HZ
Auto
15s
450-pulse
Auto open angle
Anti- cold air fun ction