Introduction to electrical control function
Including brief introduction to air conditioners of series models and electric control
function.
(1) Automatic running (applicable to fan-coil model)
When the running mode is turned to automation after starting the system, the system
will first determine the running mode according to the current room temperature and then
will run according to the determined mode. Tr in the following selection conditions
means room temperature, Ts means setting temperature, Tp means temperature of indoor
coil pipe
a. Tr≥23℃ running refrigerating mode Ts=26℃
b. Tr<23℃ running fan only mode
(2) Indoor temperature control
(3) Dehumidification running
The compressor, outdoor fan and indoor fan will run as per the following working
pattern so as to realize the refrigerating running of dehumidification:
① Tr> Ts+2℃, compressor, outdoor fan run continuously, indoor fan runs as per
setting wind speed (State 1);
② Ts+2℃≥Tr≥Ts, compressor, outdoor fan run intermittently with 10 minutes
ON, 6 minutes OFF. (Compressor and outdoor fan are synchronous) indoor fan
runs in fixed lower wind speed, and will cease at the stand-by time of 3 minutes
(State 2)
③ Tr <Ts, compressor, outdoor fan ceases, indoor fan runs in lower wind speed.
(State 3)
State1
State2
State3
Ts-1 Ts Ts+2 Ts+3
Compressor OFF
Compressor OFF
Setting
temperature
Refrigerating
+1
-1
Compressor ON
Edition:2006/01/09
22
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