Mitsubishi Electric MXZ-2A52VA Installation Manual Download Page 2

Page: 2 / 10

1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR

SAFETY

●

Be sure to read “THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY” before installing

the air conditioner.

●

Be sure to observe the cautions speci

ed here as they include important items related to safety.

●

The indications and meanings are as follows.

WARNING: Could lead to death, serious injury, etc.

CAUTION: Could lead to serious injury in particular environments when operated incorrectly.

●

After reading this manual, be sure to keep it together with the OPERATING INSTRUCTIONS in a

handy place on the customer’s site.

WARNING

■

Do not install the unit by yourself (customer).

Incomplete installation could cause injury due to

re,

electric shock, the unit falling or leakage of water.
Consult the dealer from whom you purchased the
unit or special installer.

■

Install the unit securely in a place which can bear
the weight of the unit.

When installed in an insuf

cient strong place, the unit

could fall causing injury.

■

Use the speci

ed wires to connect the indoor

and outdoor units securely and attach the wires

rmly to the terminal block connecting sections

so the stress of the wires is not applied to the
sections.

Incomplete

connecting

and

xing could cause

re.

■

Do not use intermediate connection of the power
cord or the extension cord and do not connect
many devices to one AC outlet.

It could cause a

re or an electric shock due to de-

fective contact, defective insulation, exceeding the
permissible current, etc.

■

Check that the refrigerant gas due not leak after
installation has completed.

If refrigerant gas leaks indoors, and comes into con-

tact with the

re of a fan heater, space heater, stove,

etc., harmful substances will be generated.

■

Perform the installation securely referring to the
installation manual.

Incomplete installation could cause a personal injury

due to

re, electric shock, the unit falling or leakage

of water.

■

Perform electrical work according to the instal-
lation manual and be sure to use an exclusive
circuit.

If the capacity of the power circuit is insuf

cient or

there is insuf

cient electrical work, it could result in a

re or an electric shock.

■

Attach the electrical cover to the indoor unit and
the service panel to the outdoor unit securely.

If the electrical cover in the indoor unit and/or the

service panel in the outdoor unit are not attached se-
curely, it could result in a

re or an electric shock due

to dust water, etc.

■

Be sure to use the part provided or speci

parts for the installation work.

The use of defective parts could cause an injury due

to a

re, an electric shock, the unit falling, leakage of

water, etc.

■

Be sure to cut off the main power in case of set-
ting up the indoor electronic control P.C. board
or wiring works.

It could cause an electric shock.

■

The appliance shall be installed in accordance
with national wiring regulations.

■

When installing or relocating the unit, make sure
that no substance other than the speci

ed refrig-

erant (R410A) enters the refrigerant circuit.

Any presence of foreign substance such as air can

cause abnormal pressure rise or an explosion.

CAUTION

■

Perform earthing.

Do not connect the earth wire to a gas pipe, water

pipe, lightning rod or telephone earth wire. Defective
earthing could cause an electric shock.

■

Do not install the unit in a place where an in

am-

mable gas leaks.

If gas leak and accumulate in the area surrounding

the unit, it could cause an explosion.

■

Fasten a

are nut with a torque wrench as speci-

ed in this manual.

When fastened too tight, a

are nut may broken after

a long period and cause a leakage of refrigerant.

■

Install an earth leakage breaker depending on the
installation place (Where it is humid).

If a earth leakage breaker is not installed, it could

cause an electric shock.

■

Perform the drainage/piping work securely ac-
cording to the installation manual.

If there is a defect in the drainage/piping work, water

could drop from the unit and household goods could
be wet and damaged.

2. INSTALLATION DIAGRAM & ACCESSORIES

Before installation

This installation manual is only for the outdoor unit installation. In installing the indoor units, refer to the
installation manual attached to each indoor unit.
Any structural alternations necessary for the installation must comply with the local building code
requirements.

Open as a rule
More than 500 mm
if the front and both
sides are open

More than 100 mm
More than 200 mm if
there are obstacles to
both sides

More than 100 mm

Open as a rule
More than 500 mm if
the back, both sides
and top are open

More than 350 mm

Note:
The dimensions given along the arrows above are required to guarantee
the air conditioner’s performance. Install the unit in as wide a place as
possible for later service or repairs.

SG79Y644H01.indd 2

29.11.2005 17:04:10 Uhr