Notices For Use - Gree GWH18MC-D3DNA2D Owner's Manual

Notices for use

Working principle and special functions for cooling
Principle:
Air conditioner absorbs heat in the room and transmit to outdoor and discharged,
so that indoor ambient temperature decreased, its cooling capacity will increase
or decrease by outdoor ambient temperature.
Anti-freezing function:
If the unit is running in COOL mode and in low temperature, there will be frost formed
on the heat exchanger, when indoor heat exchanger temperature decreased below 0 ℃
the indoor unit microcomputer will stop compressor running and protect the unit.
Working principle and special functions for heating
Principle:
Air conditioner absorbs heat in the room and transmit to outdoor and discharged,
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will increase, its heating capacity will decrease by outdoor ambient temperature.
so that indoor ambient temperature increased, so room heating capacity.
If outdoor temperature got lower, please operate with the other heating ventilating
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equipments.
Defrosting:
When outdoor temperature is low but high humidity, after a long while running,
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frost will form on outdoor unit, that will effect the heating effect, at this time,
the auto defrosting function will act, the heat running will stop for 8-10mins.
During the auto defrosting, the fan motors of indoor unit and outdoor unit will stop.
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During the defrosting, the indoor indicator flashes, the outdoor unit may emit vapor.
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This is due to the defrosting, it isn't malfunction.
After defrosting finished, the heating will recover automatically.
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Anti-freezing function:
In "HEAT" mode, if in the following status, the indoor heat exchanger haven't achieve
the certain temperature, that the indoor unit will not act, in order to prevent cool air
blowing. (Within 3mins)
1. Heating starts.
2. After Auto defrosting finished.
3. Heating under the low temperature.
The climate type of this unit is according to the nameplate.
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