Midea MSQ-07CR, Руководство по обслуживанию

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Service manual
36
11.8.2 Defrosting time
If the temperature difference condition
①
is satisfied for less than 40 minutes, this can be regarded as severe frosting. The
defrosting time is 10 minutes.
If the temperature difference condition
②
is satisfied for more than 40 minutes, the defrosting time is 7.5minutes.
If the temperature difference condition
①
is satisfied out of 40 minutes, generally the defrosting time is 7.5minutes, after three
continuous 7.5-minute defrost, the fourth should be 10 minutes defrost. The circulation is as following:
7.5 minutes
defrost
7.5 minutes
defrost
7.5 minutes
defrost
10 minutes
defrost
11.8.3 Ending condition of defrosting
If one of following conditions is satisfied, end the defrost and turn into heating mode:
A. The defrost time has reached to 7.5 or 10 minutes.
B. The compressor current has reached to I
DEFROST
or above, I
DEROST
differs in different models
11.8.4 Defrosting Actions
Defrost 10or 7.5minutes
45S 25S
Compressor
4-way Valve 23S
40S
Outdoor Fan
Indoor Fan
10S
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).
11.9.2
-1
TA-TS
2
Heating (fan only at cooling) Fan only Cooling
11.9.3 The indoor fan blows automatically in corresponding selected mode
11.9.4 The motion of indoor fan’s blade should accord with the selected operation mode
11.9.5 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 whose fan mode is set as low, the A/C
operates at the DRY mode with a set temp. of 24
℃
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