Mitsubishi Electric MLZ-KP25VF Manual de usuario

CEILING CASSETTE TYPE AIR CONDITIONERS

MLZ-KP25VF MLZ-KP35VF MLZ-KP50VF

REFRIGERANT

R32/R410A

English

INSTALLATION MANUAL

EN-1

FOR INSTALLER

1. BEFORE INSTALLATION

WARNING

Do not install the unit by yourself (user).

Perform the installation securely referring to the

installation manual.

When installing the unit, use appropriate protec-

tive equipment and tools for safety.

Install the unit securely in a place which can bear

the weight of the unit.

Electrical work should be performed by a quali-

circuit. Do not connect other electrical appliances

to the circuit.

Earth the unit correctly.

pressure with parts or screws.

Be sure to cut off the main power in case of set-

ting up the indoor P.C. board or wiring works.

to the terminal block connecting sections so the

stress of the wires is not applied to the sections.

nection.

gas may leak.

Do not use intermediate connection of the power

devices to one AC outlet.

parts for the installation work.

When plugging the power supply plug into the

outlet, make sure that there is no dust, clogging,

or loose parts in both the outlet and the plug.

Make sure that the power supply plug is pushed

completely into the outlet.

Attach the electrical cover to the indoor unit and

the service panel to the outdoor unit securely.

When installing, relocating, or servicing the

unit, make sure that no substance other than

refrigerant circuit.

Do not alter the unit.

Do not discharge the refrigerant into the atmos-

phere. If refrigerant leaks during installation, ven-

tilate the room. Check that the refrigerant does not

leak after installation has been completed.

Use appropriate tools and piping materials for

installation.

When pumping down the refrigerant, stop the

compressor before disconnecting the refrigerant

pipes.

When installing the unit, securely connect the

refrigerant pipes before starting the compressor.

The unit shall be installed in accordance with

national wiring regulations.

equipment, completely remove all of the refrigerant

from the air conditioner and ensure that the area is

well-ventilated.

Do not use means to accelerate the defrosting

process or to clean, other than those recommended

by the manufacturer.

The appliance shall be stored in a room without

operating electric heater).

Do not pierce or burn.

Be aware that refrigerants may not contain an odour.

Pipe-work shall be protected from physical damage.

The installation of pipe-work shall be kept to a

minimum.

Compliance with national gas regulations shall be

observed.

Keep any required ventilation openings clear of

obstruction.

Keep gas-burning appliances, electric heaters, and

location where installation, repair, and other air

conditioner work will be performed.

The appliance shall be stored in a well-ventilated

area where the room size corresponds to the room

WARNING

ENGLISH

English is

original.

CONTENTS

Required Tools for Installation

EN-2

This manual only describes the installation of indoor unit.

When installing the outdoor unit, refer to the installation manual of outdoor unit.

1-2. SELECTING THE INSTALLATION LOCATION

INDOOR UNIT

•

REMOTE CONTROLLER

Note:

• -

1-3. SPECIFICATIONS

CAUTION

Install an earth leakage breaker depending on the

installation place.

ing to the installation manual.

the outdoor unit.

Do not install the outdoor unit where small animals

may live.

Do not operate the air conditioner during interior

WARNING

EN-3

ACCESSORIES

* Note:

Service space

WARNING

piping.

IMPORTANT NOTES

EN-4

2-1. CEILING OPENINGS AND SUSPENSION BOLT

INSTALLATION LOCATIONS

2. INDOOR UNIT INSTALLATION

EN-5

2-2. HOLE DRILLING

Unit suspension procedures

2-3. DRAIN PIPING

EN-6

EN-7

3-1. PIPING WORK

Note:

3. FLARING WORK AND PIPE CONNECTION

[When using pipe with super insulating material]

EN-8

3-3. PIPE CONNECTION

Indoor unit connection

Outdoor unit connection

When using pipe with super insulating material

Note:

3-2. FLARING WORK

90°

When installing the unit, securely connect the refrigerant

pipes before starting the compressor.

[When using pipe with super

insulating material]

WARNING

not allowed indoors.

When connecting the refrigerant piping by brazing,

prior to connecting indoor unit to outdoor unit.

EN-9

Checking the remote (infrared) signal reception

Water drainage check

Caution:

To the user

Emergency

operation switch

(E.O. SW)

5. GRILLE (OPTION) INSTALLATION

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