Mitsubishi Electronics PFKY-NBMU-E User Manual

1. Safety Precautions

Contents

Before installing the unit, make sure you read all the “Safety
Precautions”.

The “Safety Precautions” provide very important points re-

garding safety. Make sure you follow them.

Please report to or take consent by the supply authority be-

fore connection to the system.

Symbols used in the text

Warning:

Describes precautions that should be observed to prevent danger
of injury or death to the user.

Caution:

Describes precautions that should be observed to prevent damage
to the unit.

Symbols used in the illustrations

: Indicates a part which must be grounded.

Warning:

• For appliances not accessible to the general public.
• The unit must not be installed by the user. Ask the dealer or an

authorized company to install the unit. If the unit is installed im-
properly, water leakage, electric shock or fi re may result.

• Do not stand on, or place any items on the unit.
• Do not splash water over the unit and do not touch the unit with

wet hands. An electric shock may result.

• Do not spray combustible gas close to the unit. Fire may result.
• Do not place a gas heater or any other open-flame appliance

where it will be exposed to the air discharged from the unit. In-
complete combustion may result.

• Do not remove the front panel or the fan guard from the outdoor

unit when it is running.

• Never repair the unit or transfer it to another site by yourself.

• When you notice exceptionally abnormal noise or vibration, stop

operation, turn off the power switch, and contact your dealer.

• Never insert fi ngers, sticks etc. into the intakes or outlets.
• If you detect odd smells, stop using the unit, turn off the power

switch and consult your dealer. Otherwise, a breakdown, electric
shock or fi re may result.

• This air conditioner is NOT intended for use by children or infi rm

persons without supervision.

• Young children must be supervised to ensure that they do not

play with the air conditioner.

• If the refrigeration gas blows out or leaks, stop the operation of

the air conditioner, thoroughly ventilate the room, and contact
your dealer.

Caution:

• Do not use any sharp object to push the buttons, as this may

damage the remote controller.

• Never block or cover the indoor or outdoor unit’s intakes or out-

lets.

• Never wipe the remote controller with benzene, thinner chemical

rags, etc.

• Do not operate the unit for a long time in high humidity, e.g. leav-

ing a door or window open. In the cooling mode, if the unit is op-
erated in a room with high humidity (80% RH or more) for a long
time, water condensed in the air conditioner may drop and wet or
damage furniture, etc.

• Do not touch the upper air outlet vane or the lower air outlet

damper during operation. Otherwise, condensation may form and
the unit may stop operating.

Disposing of the unit

When you need to dispose of the unit, consult your dealer.

1. Safety Precautions ............................................................................. 2
2. Parts Names ....................................................................................... 2
3. Screen Confi guration .......................................................................... 6
4. Setting the Day of the Week and Time ............................................... 6
5. Operation ............................................................................................ 6
6. Timer................................................................................................... 8

7. Other Functions ...............................................................................11
8. Function Selection .......................................................................... 12
9. Emergency operation for wireless remote-controller ...................... 16
10. Care and Cleaning.......................................................................... 16
11. Trouble Shooting ............................................................................. 17
12. Specifi cations ................................................................................. 19

Indoor Unit

PKFY-P·NBMU-E

PKFY-P·NHMU-E

PMFY-P·NBMU-E

PCFY-P·NKMU-E

Fan speed

4 speed

3 speed+ Auto*

4 speed

4 speed+ Auto*

Vane

Steps

4 steps

5 steps

4 steps

5 steps

Auto swing

Louver

Manual

Filter

Normal

Long-life

Filter cleaning indication

100 hr

2,500 hr

2. Parts Names

* This operation is available only using the remote controller
that is able to set its Fan speed setting "Auto".

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2008/12/10 11:32:01