Midea MOF-24HDN1-QC2W, Руководство по обслуживанию

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It will take only 1 minute when the unit is powered on at first time.
8.3.4 Temperature sensor protection at open circuit or short circuit.
8.3.5 Inverter module Protection.
Inverter module has a protection function against current, voltage and temperature. If these protections
happened, the unit will stop and LED display error code .
8.3.6 Indoor fan delayed open function.
When the unit is turned on at all modes, the indoor fan will operate 10 seconds later than the action of louver.
8.3.7 Compressor preheating function.
1) Preheating permitting condition:
If T4(outdoor ambient temperature
)＜
3
℃
and the machine connects to power supply newly or if T4
＜
3
℃
and compressor has stopped for over 3 hours, the compressor heating cable will work.
2) Preheating mode:
A weak current flows through the coil of compressor from the wiring terminal of compressor, then the
compressor is heated without operation.
3) Preheating release condition:
If T4
＞
5
℃
or user turns on the machine and compressor runs, preheating function will stop.
8.3.8 Compressor heating cable
If outdoor temperature is lower than 5
℃
, the compressor heating cable begins to work. If outdoor temperature is
higher than 15 ℃ , the compressor heating cable stops working.
8.4 Fan-Only Mode
8.4.1 Temperature setting function is disabled, and no setting temperature display.
8.4.2 In this mode, the action of louver is the same as in cooling mode.
8.4.3 The action of auto fan in fan-only mode is the same as auto fan in cooling mode with 24 ℃ setting temperature.
8.5 Cooling Mode
8.5.1 After starting, the operation frequency of compressor submits to following rule.
T1 – 24
medium
3.5
3.0
1.5
1.0
high
low