Manual Mitsubishi FDFU (page 6 of 22) (English)

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HOW TO PERFORM THE TIMER OPERATION < WIRED REMOTE CONTROL >

1 Press TIMER button.

It enters the timer mode.

“Current day of the week” and “Current time ” are displayed.

[EXAMPLE] Monday : 10 o’clock in the morning

Display area : [

]

[

]

[ ] (lit)

2 Press ▲ or ▼ button.

By pressing ▼ or ▲ button, it is possible to choose the item to set.

[

] (set to current time)

[

] (The unit stops operating at each setting

time once it is set.)

[

] (The unit stops operating at the setting

time.)

[

] (The unit starts operating at the setitng

time.)

[

] (Timer set by one week)

[ ] (Cancel the timer setting)

If you press the ▲ button, the display of the following timer modes

is switched in the upwards direction. If you press the

RESET button, timer mode ends and return to original satus.

3 Press SET button.

The selected timer mode is set.

For setting of each timer mode ,See next page and thereafter.

Each timer mode can be set in parallel. The following combinations

are available.

Combination of modes that can be set together

(: possible ×: impossible)

• If you select a combination of modes that cannot be set together

and press the

SET button, the message “

(invalid operation)” is displayed for 3 seconds and then it returns

to the display selected in step 2.

2 1

• If you press the button while timer mode is operative, timer mode is finished and the display will return

to the original display. Note that the setting which has not completed is canceled.

• If you have set the ON timer mode and either the OFF timer or Sleep timer mode at the same time, the OFF timer

(or Sleep timer) shows preference to the ON timer.

• If you press the

timer button and “ ” is displayed, the button can not be operated because the

button operation is disabled. If you want to make the button effective , consult your dealer.

• If you do not press any button for several minutes after pressing the

Timer button, Timer mode ends and

returns to the original display.

• If a power failure occurs, the specified timer settings will be canceled except Sleep timer. Weekly timer setting will

return to the condition that all days of the week selected as “holidays”.

THE SELECTION OF TIMER MODE

ATTENTION

Functions of each timer operation

Sleep timer•

When the setting time elapses, the unit stops operating.

10 settings are available, from “an hour later OFF” to “10

hours later OFF”.

The unit will stop when the setting time is reached.

OFF timer•

The unit stops operating at the setting time.

You can set only one time at a time.

ON timer•

The unit starts to operate at the setting time. You can set

the temperature at the same time. You can set only one

time at a time.

Weekly timer•

Up to four times of timer operation (ON timer/OFF timer)

are available for each day of the week.

Once Weekly timer is set, the unit performs the same

operation every week.

HOW TO OPERATE

(Dehumidifying operation is prohibited for FDU-F.)

< WIRED REMOTE CONTROL >

NOTE

There may be a case that “• ” is displayed when any

button mentioned in the above is pressed, but it is not a malfunction.

In that case, the operation of the button is prohibited.

When you start to operate for the first time after turning the power •

supply on, the unit starts to operate as below. You can change the

setting as you like.

Central control ......................Turned off

Operation changeover .......... With auto mode : auto cooling

Without auto mode : cooling

Set temperature ...................23°C

Fan speed ............................

Louver position .....................Horizontal

ATTENTION

1 Press button.

The unit starts operating.

2 Press MODE button.

The range of operation mode is displayed according to the model

of indoor unit.

Every time the button is pressed, the display changes in the

following order dry

cool

fan

heat. (

auto)*

(The automatic operation can be selected in case of the heat

recovery system KXR only. The automatic operation cannot be

selected in case of heat pump system KX.)

•

With auto operation,

heating and cooling is

automatically changed

depending on difference

between the setting

temperature and room

temperature.*

* IN case of FDU-F

The setting temperature of the remote controller indicates the

outdoor temperature while operating thermostat ON/OFF.

3 Press TEMP button.

Press or button to set the room temperature.*

IN case of FDU-F

The setting temperature of the remote controller indicates the

outdoor temperature while operating thermostat ON/OFF.

4 Press FAN SPEED button.

The range of fan speed modes is displayed according to the model

of indoor unit.

At 4-speed .............“ ↔ ↔ ↔ ”

At 3-speed .............“

↔ ↔ ”

At 2-speed .............“

↔ ” or “ ↔ ”

At 1-speed .............The operation is invalid

at 4-speed

The unit operates with the maximum fan speed.

5 Press LOUVER button.

If the indoor unit is equipped with the auto swing function, press

the LOUVER button once and current louver status is

displayed.

If the indoor unit is not equipped with the auto swing function, the

message “ ” is displayed.

For the louver operation •

See page 11 to 12

A Press LOUVER button, and change the display to

⎡ ⎦

For the louver stopping •

See page 11 to 12

A Press once while the louver is operating to display stop

positions in order.

B Press the button once more at the preffered stop position to

stop the louver at that position.

Effective stop position See page 11 to 12

At automatic operation: .................................middle

At cooling/dehumidifying operation: ..............Horizontal

At heating operation: ....................................downwards

Stop

Press

button

245

Setting

temperature

Fan speed

mode

Operation

mode

 Guideline for room temperature setting

COOL ...............26 to 28°C

DRY ..................21 to 24°C

HEAT ................22 to 24°C

FAN ...................Setting unnecessary

• The settings of operation change, temperature

and air flow volume adjustment can be changed

even when the air conditioner is stopped. When a

button is pressed while the operation is stopped,

the corresponding display is turned on and you can

change the setting. The display turns on for three

seconds after changing the setting, then turns off

automatically.

• Turn on the power supply of both indoor/outdoor units for six hours before starting the unit to protect the units. (The crankcase

is conducted and the compressor is heated) Do not turn off the power supply. (The crankcase heater is conducted while

the compressor is stopped, preventing failure of the compressor due to accumulation of liquid refrigerant by keeping the

compressor warm.)

cooling operation

heating

operation

–3

room setting

temperature *

Operation mode

DRY

COOL

FAN

HEAT

AUTO

OFF timer



Sleep timer



Weekly timer

ON timer



Sleep timer

OFF timer

ON timer

Weekly timer

• The display of “ ”

flashes and the operation is switched to “Fan” in

the following case because the operation modes

do not match.

(1) When other indoor units are operating in different

modes (with KXR, the heat recovery system, it

is possible to operate indoor units in different

cooling/heating modes).

• Do not turn the air conditioning system on/off

frequently.

• Do not use sharp objects to press the remote

controller switches.

ATTENTION

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Others manual(s) of Mitsubishi FDFU

Mitsubishi FDFU User Manual - German - 22 pages

Mitsubishi FDFU User Manual - Dutch - pages

Mitsubishi FDFU User Manual - French - 22 pages

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Mitsubishi FDFU Manual

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