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4 NAMES AND FUNCTIONS OF AIR

CONDITIONER COMPONENTS

MVA-90CWN1-V

MVA-120CWN1-V

Indoor unit

Drain orifice 3/4

Air return duct(option)

5 OPERATION PRECAUTIONS

Read this operation manual carefully before operating the unit.

Grasp the key points in the manual, and seek help from the con

distributor for any question.

This air conditioner is designed to provide a comfortable room

environment, and is applicable to the purposes described in the

manual only.

Inspection before operation

Check whether the ground wire is broken or disconnected.

Check whether the air filter is installed properly.

If the air conditioner has been out of service for a long period,

be sure to clean the filter before resuming the service of the air

conditioner. Cleanse it biweekly during continuous service of

the air conditioner. For details, see the chapter headed "Mainte-

nance and Upkeep".

Check that the air inlet and outlet of the indoor/outdoor unit are

not blocked.

Safety precautions

Do not let the indoor unit or remote controller moistened.

Otherwise, electric short-circuit or fire may occur.

Electrical control box (inner)

Air outlet pipe, mute box(option)

Fixed rated wired controller

(Option, used it before install

the remote controller .)

outdoor unit (reference)

Refrigerant pipe

Fig.4-2

Do not use or store flammable gases or liquids near the air

conditioner, e.g., hair styling jelly, paint and gasoline. Otherwise,

fire may occur.

Do not touch the deflector plate while the air deflector works.

Otherwise, the fingers may be clipped or the driving parts of the

indoor unit deflector may be damaged.

When the fuse blows out, do not substitute any fuse of an

improper nominal current value or other wires. Substituting

conductor or copper wire for fuse may cause damage to the air

conditioner or cause fire.

Do not insert any objects like sticks into the air inlet or outlet. It

is very dangerous when the blade touches any foreign objects

during high-speed running of the fan.

Do not remove the fan cover of the outdoor unit. The fan without

any external cover is very dangerous during high-speed

running.

Do not use the main power switch to start up or shut down the

air conditioner, but use the ON/OFF button on the remote

controller.

Do not let children toy with the air conditioner.

Do not repair the air conditioner by yourself. Delegate profes-

sional maintainers to do the repair.

Cut off the main power switch before cleansing the filter and the

unit body. This unit is grounded and provides dual protection

against accidental electric shock. No electric shock will occur

when you normally replace or cleanse the filter or use a dry cloth

to clean the unit body. However, to be on the safe side, cut off

the power supply before performing maintenance or up-keep

work.

The electric circuit must be installed RCCB and manual switch.

Table 5-1

Outdoor temperature:17~46°C

Cooling

operation

Intdoor temperature: 17°C

Outdoor temperature:-7~24°C

Heating

operation

Intdoor temperature: 30°C

Outdoor temperature:17~46°C

Dewetting

operation

Intdoor temperature:17~32°C

NOTE

The indoor relative humidity should be lower than 80%. If the air

conditioner works in an environment with a relative humidity

higher than mentioned above, the surface of the air conditioner

may condensate. In this case, it is recommended to set the air

speed of the indoor unit to high.

If the air conditioner works in other than the above circum-

stances, functions may fail.

owner's manual