Service manual
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9.7 Dehumidifying mode
Indoor fan speed at low speed.
Protection is same as cooling mode.
9.8 Heating mode
9.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 4-way valve
must delay 2 minutes compared with compressor if the compressor changed into non-heating mode or
turned off. 4-way valve doesn't delay in dehumidifying mode.
9.8.2 Generally, the outdoor fan is turned off with the on-off action of compressor in heating mode, except
for the defrosting mode or the end of defrost.
9.8.3 Action of compressor and outdoor fan motor at heating mode: compressor must run for 7 minutes
after starting and then judge temperature. Meanwhile other protections are still valid.
* This parameter can be changed from 0 to 3
9.8.4 Indoor Fan actions at heating mode
Indoor Fan can be set at HIGH/MID/LOW/AUTO by using a remote controller, but Anti-cold wind
function prevails.
Anti-cold wind control function at heating mode (T=indoor exchanger temp.)
9.8.5 Auto wind at heating mode (T=indoor temp.)
0
T-Ts
Room temp. up
Room temp. down
2
Med fan
High fan
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