Midea MSC-21CRN1, Service Manual

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Service manual
30
Compressor
Outdoor fan
4-way valve
Indoor fan
Defrost 10 minutes
55s
5s
15s
5s
55s
11.9 Auto mode
11.9.1
The air conditioner automatically selects one of the following operation modes: cooling, heating
or fan only according to the temperature difference between room temperature (TA) and set
temperature (TS)
.
-1
TA-TS
2
Heating (fan only for cooling only) Fan only Cooling
11.9.2 The indoor fan blows automatically in corresponding selected mode
11.9.3 The motion of indoor fan’s blade should accord with the selected operation mode
11.9.4 One mode should be carried out for at least 15 minutes once selected. If the compressor
cannot start for 15 minutes, reselect the operation mode according to the room temp. and set temp.,
or reselect when the set temp. varies
11.10 Force cooling function
11.10.1 Select forced cooling function with the forced cooling button or the switch
11.10.2 The compressor is unconditionally turned on, after 30 minutes cooling operation the unit turn to
force auto mode.
11.10.3 All protections of remote control cooling are available at forced cooling operation
11.10.4 Forced Auto function
Select forced auto function with the forced auto button or the switch.
In forced auto status the A/C operates at auto mode with a set temp. of 24
℃ .
11.11 Sleep mode
11.11.1 The sleep function is available at cooling, heating or auto mode
11.11.2 Cooling:
The set temperature rise 1 ℃ per hour. Two hours later, the set temperature will maintain as a constant and