Mitsubishi Electric PMFY-P40VBM-E [7/32] Operation

3. Operation

■

About the operation method, refer to the operation manual that comes with each remote controller.

3.1. Turning ON/OFF

[ON] [OFF]

Press the [ON/OFF] button.

The ON/OFF lamp will light up in

green, and the operation will start.

Press the [ON/OFF] button again.

The ON/OFF lamp will come off,

and the operation will stop.

■

Operation status memory

Remote controller setting

Operation mode Operation mode before the power was turned off

Preset temperature Preset temperature before the power was turned off

Fan speed Fan speed before the power was turned off

■

Settable preset temperature range

Operation mode Preset temperature range

Cool/Dry 19 ~ 30 ºC

Heat 17 ~ 28 ºC

Auto (Single set point) 19 ~ 28 ºC

Auto (Dual set points) [Cool] Preset temperature range for the Cool mode

[Heat] Preset temperature range for the Heat mode

Fan/Ventilation Not settable

Note:

Even if you press the ON/OFF button immediately after shutting down the operation is progress, the air conditioner will not start for about 3 minutes.

This is to prevent the internal components from being damaged.

3.2. Mode Selection

Press the [F1] button to go through the op-

eration modes in the order of “Cool”, “Dry”,

“Fan”, “Auto”, and “Heat”. Select the desired

operation mode.

Cool Dry Fan

Auto Heat

• Operation modes that are not available

to the connected outdoor unit models will

not appear on the display.

What the blinking mode icon means

The mode icon will blink when other indoor units in the same refrigerant

system (connected to the same outdoor unit) are already operated in a

different mode. In this case, the rest of the unit in the same group can

only be operated in the same mode.

3.3. Temperature setting

<Cool, Dry, Heat, and Auto (single set point)>

Cool

Room

28.5

AutoSet temp.

Mode Temp. Fan

Fri

28.5

Example display

(Centigrade in 0.5-degree increments)

F1 F2 F3 F4

Cool

Room

AutoSet temp.

Mode Temp. Fan

Fri

Press the [F2] button to decrease the preset temperature, and press the

[F3] button to increase.

• Refer to the table on page 7 for the settable temperature range for dif-

ferent operation modes.

• Preset temperature range cannot be set for Fan/Ventilation operation.

• Preset temperature will be displayed either in Centigrade in 0.5- or

1-degree increments, or in Fahrenheit, depending on the indoor unit

model and the display mode setting on the remote controller.

Automatic operation (single set point)

■ According to a set temperature, cooling operation starts if the room

temperature is too hot and heating operation starts if the room

temperature is too cold.

■ During automatic operation, if the room temperature changes and

remains 1.5 °C or more above the set temperature for 3 minutes, the

air conditioner switches to cool mode. In the same way, if the room

temperature remains 1.5 °C or more below the set temperature for

3 minutes, the air conditioner switches to heat mode.

Cool mode

3 minutes (switches

from heating to cooling)

Set temperature +1.5°C

Set temperature

Set temperature -1.5°C

3 minutes (switches

from cooling to heating)

■ Because the room temperature is automatically adjusted in order to

maintain a fixed effective temperature, cooling operation is performed

a few degrees warmer and heating operation is performed a few

degrees cooler than the set room temperature once the temperature is

reached (automatic energy-saving operation).

Preset temperature

for cooling

Preset temperature

for heating

The current preset temperatures will appear. Press the [F2] or [F3]

button to display the Settings screen.

F1 F2 F3 F4

Cool

Room

AutoSet temp.

Mode Temp. Fan

Fri

The settable temperature range varies with the model of outdoor units and remote controller.

Mitsubishi Electric PMFY-P40VBM-E [7/32] Operation

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