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12

INSTALLATION, RELOCATION AND INSPECTION

Installation place

Avoid installing the air conditioner in the following places.

Where flammable gas could leak.

CAUTION:

Do not install the unit where flammable gas could leak.
If gas leaks and collects around the unit, it may cause
an explosion.

Where there is much machine oil.

Salty places such as the seaside.

Where sulfide gas is generated such as a hot spring.

Where oil is splashed or where the area is filled with
oily smoke.

Where there is high-frequency or wireless equipment.

CAUTION:

• Earth the unit.

Do not connect the earth to a gas pipe, water pipe, lightning rod or the earth of a telephone. If the earthing is
incorrect, it may cause an electric shock.

• Install an earth leakage breaker depending on the place where the air conditioner is to be installed (humid places,

etc.).
If the earth leakage breaker is not installed, it may cause an electric shock.

Inspection and maintenance

When the air conditioner is used for several seasons, the capacity may be lowered due to dirt inside the unit.

Depending on the condition, an odor may be generated or dehumidified water may not drain out smoothly due to dirt,
dust, etc.

It is recommended that the unit be inspected and maintained (charged) by specialist in addition to normal maintenance.
Consult your dealer.

Operating sound considerations

Do not put an object around the air outlet of the outdoor unit. This may lower the capacity or increase the volume of the
operating sound.

If an abnormal sound is heard during operation, consult your dealer.

Relocation

When the air conditioner is to be removed or re-installed because of rebuilding, moving, etc., special techniques and
work are required.

 WARNING:

Repairs or relocation should not be done by the customer.
If this is done incorrectly, it may cause a fire, an electric shock, or an injury from the unit falling, water leaking, etc.
Consult your dealer.

Disposal

To dispose of this product, consult your dealer.

If you have any questions, consult your dealer.

WARNING:

If the air conditioner operates but does not cool or heat (depending on model) the room, consult your dealer since
there may be a refrigerant leak. Be sure to ask the service representative whether there is refrigerant leakage or not
when repairs are carried out.
The refrigerant charged in the air conditioner is safe. Refrigerant normally does not leak, however, if refrigerant gas
leaks indoors, and comes into contact with the fire of a fan heater, space heater, stove, etc., harmful substances will
be generated.

Electrical work

Provide an exclusive circuit for the power supply of the air conditioner.

Be sure to observe the breaker capacity.

WARNING:

• The customer should not install this unit.

If installation is done incorrectly, it may cause a fire, an electric shock, or injury from the unit falling, water leaking,
etc.

• Do not use intermediate connection of the power supply cord or the extension cord and do not connect many

devices to one AC outlet.
A fire or an electric shock may result from poor contact, poor insulation, exceeding the permissible current, etc.
Consult your dealer.

Guaranteed operating range

Indoor

Outdoor

Upper limit

32°C DB

43°C DB

Cooling

23°C WB

Lower limit

21°C DB

-10°C DB

15°C WB

Upper limit

27°C DB

24°C DB

Heating

18°C WB

Lower limit

20°C DB

-10°C DB

-11°C WB

To prevent the effects
of a fluorescent lamp,
keep as far apart as
possible.

wall, etc.

Inverter-type
fluorescent lamp

Keep a space
to prevent the
picture
distortion or
the noise.

1 m

or more

Radio

100 mm or
more

Well-
ventilated
dry place

500 mm or
more

TV

Cordless
phone or
Portable
phone

3 m

or more

1 m

or more

* The required space depends on the type of outdoor unit.

The installation location of the outdoor unit should be at least
3 m away from the antennas for TV sets, radios, etc. In areas
where the reception is weak, provide greater space between
the outdoor unit and the antenna of the affected device if op-
eration of the air conditioner interferes with radio or TV recep-
tion.

Summary of Contents for MSZ-A18 YV Series

Page 1: ...Mitsubishi room air conditioner ely be sure to read this operating instructions fully for later reference d from your dealer and check that the purchased ered correctly installed by the customer Safe...

Page 2: ...dity e g leaving a door or window open In the cooling mode if the unit is operated 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...

Page 3: ...or lamp Air inlet back and side Piping Drainage hose Air outlet Drain outlet Catechin air filter ide temperature less than 10 C in the cooling mode operated at low outside temperature less than 10 C w...

Page 4: ...operation mode the set temperature and the fan speed are stored in the memory If a power failure occurs or the main power is turned off during operation Auto restart function sets automatically to st...

Page 5: ...thrown or it gets wet the remote con troller may not operate When installing on a wall etc Install the remote controller holder in a position where the signal reception sound beep can be heard from t...

Page 6: ...rget set temperature In this case please wait until the room temperature drops to within 2 C of the set temperature and then change the set temperature HEAT When the room temperature is 2 C lower than...

Page 7: ...High notch to cool heat the room more If the operating sound of the air conditioner disturbs your sleep use the Low notch To change the AIR FLOW blowing direction vertically press the VANE button Eac...

Page 8: ...w are available Programming timer operation The ON timer and the OFF timer can be used in combination The timer of the set time that is reached first will operate first mark indicates the order of tim...

Page 9: ...d during operation it may cause an injury Cleaning the indoor unit Clean the unit using a soft dry cloth If the dirt is noticeable wipe the unit with a cloth soaked in a solution of mild detergent dil...

Page 10: ...hen replace echin that is contained in tea The catechin air filter deodorizes ammonia and acetaldehyde Moreover it restraints the activity of About once every 4 months 1 Install a new air cleaning fi...

Page 11: ...ng the air inlet or or outdoor unit open Page 10 hausted Page 5 of the batteries correct he remote controller of other being pressed oner start operating again er had operated before the se models are...

Page 12: ...uld not be done by the customer If this is done incorrectly it may cause a fire an electric shock or an injury from the unit falling water leaking etc Consult your dealer Disposal To dispose of this p...

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Page 16: ...HEAD OFFICE MITSUBISHI DENKI BLDG 2 2 3 MARUNOUCHI CHIYODA KU TOKYO 100 8310 JAPAN SG79Y329H01...

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