Service manual
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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
11.7.2 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
11.7.3 Action of compressor and outdoor fan motor at heating mode: compressor must run for 4
minutes after starting and then judge temperature. Meanwhile other protections are still valid.
Tc-1
T1-Ts
Room temp. up
Room temp. down
Tc
Compressor and
outdoor fan off
Compressor and
outdoor fan on
Ts
Tc is the temperature of heating mode. The temperature will increase 4℃, 3℃，2℃，1℃，the unit choose
one with the jump JT1,JT2.
JT1 JT2 OFF ON
OFF
1℃ 3℃
ON
2℃ 4℃
11.7.4 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.)
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