ActronAir ECOFLEX MINI VRF R-32 Series Owner's Manual - Page 13

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Owner's Manual

The air conditioner makes

low noise

Switching from cooling/

heating (not available for

cooling only units) mode

to fan only mode

In winter, the outdoor

temperature is low, and

heating effects may be

decreased

Mode conflict

No heating or cooling

options

1. When the air conditioner is in "Auto", "Cool", "Dry", and "Heat" modes, it may emit a

low continuous "hissing" sound, which is caused by the refrigerant flowing between the

Indoor Unit and the Outdoor Unit.

2. A "hissing" sound may be heard for a short time after the air conditioner stops

operation or during "defrosting", which is caused when the refrigerant stops flowing or

changes its flow.

3. When the air conditioner is in Cool mode or Dry mode, a small and continuous rustling

sound can be heard, which is caused by the drain pump.

4. When the air conditioner starts or stops running, you may hear a squeaking sound

which is produced by the expansion or shrinkage of parts or surrounding aesthetic

materials due to temperature change. The sound will disappear when the air conditioner

is running normally.

When the Indoor Unit reaches the set temperature, the air conditioner controller

automatically stops the compressor operation and switches to the fan only mode. When the

room temperature rises (in cooling mode) or falls (in heating mode) to a certain level, the

compressor is restarted and cooling or heating operation is resumed.

1. During the heating operation of the heat pump type air conditioner, the air conditioner

absorbs heat from the outdoor air and releases it to heat the indoor air. This is the heat

pump heating principle of the air conditioner.

2. When the heat pump runs in heating mode, the Outdoor Unit blows out cold air,

causing the outdoor temperature to drop. When the outdoor temperature is extremely

low, the heating capability of the air conditioner drops gradually. You are advised to use

other heating devices for heating.

All Indoor Units in the same air conditioning system can only operate in the same mode, for

example, cooling, heating or others. If Indoor Units are in different modes, a conflict will

occur, making the system unable to start. Make sure that all the Indoor Units operate in the

same mode.

For the same air conditioning system, if Outdoor Unit operates in changeover mode, the

main wired controller allows users to select modes supported by the Indoor Units, while the

wired controller of a non-master Indoor Unit displays the icon of "No heating or cooling

options". In this case, the mode setting is unavailable, and other Indoor Units operate in the

same mode as the master Indoor Unit.

Owner's Manual ECOFLEX MINI VRF R-32 SERIES - FLOOR STANDING

Doc. No.9590-4028-06 Ver. 1 230821

ECOFLEX MINI VRF R-32 SERIES