Mitsubishi MSC-GA20VB Service Manual download pdf (Page 16)

The set temperature is determined from the initial room temperature.

9-1. COOL ( ) OPERATION

9-2. DRY ( ) OPERATION

<MU,MUX,MUH>

9-4. HEAT ( ) OPERATION <MUH>

1. Coil frost prevention

When the temperature of indoor heat exchanger becomes too low, the coil frost prevention mode works.

The indoor fan operates at the set speed and the compressor stops. This mode continues until the temperature of indoor

heat exchanger rises.

ON with a beep tone.

Defrosting starts when the temperature of outdoor heat exchanger becomes too low.

The compressor stops once, the indoor/outdoor fans stop, the 4-way valve reverses, and the compressor re-starts.

This mode continues until the temperature of outdoor heat exchanger rises or the fixed time passes.

9-3. FAN( ) OPERATION <MU/MUX>

(1) Press OPERATE/STOP (ON/OFF) button. OPERATION INDICATOR lamp of the indoor unit turns ON with a beep tone.

(2) Select FAN mode with OPERATION SELECT button.

(3) Select the desired fan speed. When AUTO, it becomes Low.

Only indoor fan operates.

Outdoor unit does not operate.

When the compressor is not operating or is starting, and the temperature of indoor heat exchanger and/or the room

temperature is low or when defrosting is being done, the indoor fan will stop or rotate in Very Low speed.

Cold air prevention control

However, when the coil frost prevention works while the indoor fan is OFF, the indoor fan speed becomes set speed.

Mode

COOL mode of

"I FEEL CONTROL"

DRY mode of

"I FEEL CONTROL"

HEAT mode of

"I FEEL CONTROL"

Initial room temperature

<MUH>

25 or more

23 to 25

Less than 23

9-5."I FEEL CONTROL" ( ) OPERATION

(1) Press OPERATE/STOP (ON/OFF) button on the remote controller.

OPERATION INDICATOR lamp of the indoor unit turns ON with a beep tone.

(2) Select "I FEEL CONTROL" mode with OPERATION SELECT button.

(3) The operation mode is determined by the room temperature at start-up of the operation.

OBH529A

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Mitsubishi MSC-GA20VB Service Manual Page 16