Friedrich MW12C1H User Manual download pdf (Page 5)

Notices for use

Working principle and special functions for cooling

Principle:

Anti-freezing function:

Working principle and special functions for heating

Principle:

Defrosting:

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.

, the

indoor unit microcomputer will stop compressor running and protect the unit.

Air conditioner absorbs heat from outdoor and transmits to indoor, in this way to increase

room temperature. This is the heat pump heating principle, its heating capacity will be

reduced due to outdoor temperature decrease.

If outdoor temperature becomes very low, please operate with other heating equipments.

When outdoor temperature is low but high humidity, after a long while running, 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.

During the defrosting, the indoor indicator flashes, the outdoor unit may emit vapor.

This is due to the defrosting, it isn't malfunction.

After defrosting finished,the heating will recover automatically.

the heat exchanger, when indoor heat exchanger temperature decrease below 32s

If the unit is running in COOL mode and in low temperature, there will be frost formed on

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Friedrich MW12C1H User Manual Page 5