Shinco BM Fan-onlymode, Cooling mode, b. Frequency control during operation, Running mode

Shinco Service Manual

4. Running mode

4.1. Defrosting

1. Entry condition:

Defrosting starts when meeting one of the following conditions

a. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 40 minutes, and the temperature remains consecutively -6°cfor more than 3 minutes

b. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 80 minutes, and the temperature remains consecutively -4°cfor more than 3 minutes

c. The temperature of outdoor heat exchanger remains consecutively lower than 3°c for more than 120 minutes, and the temperature remains consecutively -3°cfor more than 3 minutes

2. .Ending condition of defrosting

If one of following conditions is satisfied, end the defrosting and turn into heating mode: a. The defrost time has reached to 10 minutes.

b. When the temperature of outdoor heat exchanger rises up to 15°C.

3.Defrosting Actions:

			Max. 10 minutes
	20s			20 s
ON		10s			10S
Compressor.				OFF
ON						ON
4 way valve			OFF
ON						ON
Outdoor fan			OFF
ON

4.2. Fan-only mode

The outdoor unit doesn’t operation, only the indoor fan runs. The fan speed can be set on HIGH MID LOW, and the louver can be regulated by remote controller.

4.3. Cooling mode

4.3.1Compressor frequency controlling a. Frequency control when starting

Temperature difference= Room temperature (RT)-Set temperature (ST) RT-ST

b. Frequency control during operation

The frequency will change according to the RT-ST, and details see following fig.

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