Mitsubishi Heavy Industries WRK20MA1, Manual

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CAUTION

When the air filter is to be 
removed, do not touch the 
metal parts of the unit.

It may cause an injury.

Do not clean unit when 
power is on as it may cause 
fire and electric shock, it may
cause an injury.

Operation with windows 
opened may cause wetting
of indoor and soaking of 
household furniture.

When the unit is to be 
cleaned, switch off, and turn
off the circuit breaker.

Stop operation and close 
the window in storm or 
hurricane.

Use caution when unpacking and 
installing. Sharp edges could cause injury.

Do not clean the air 
conditioner with water.

Water may enter the unit and 
degrade the insulation. It may 
cause an electric shock.

This could injure the pet or
plant.

It may cause electric shock 
and damage.

Do not put a pet or house 
plant where it will be
exposed to direct air flow.

Hold the plug by the head 
of the power plug when 
taking it out.

Ventilate the room well when
used together with a stove, 
etc.

An oxygen shortage may occur.

Do not use this air conditioner to 

preserve precision devices, food,

pets, plants, and art objects.

It may cause deterioration of 

quality, etc. 

It may cause failure of product 

or fire.

Do not use for special 
purposes.

Turn off the main power  
switch when not using the
unit for a long time.

If water enters the unit, turn the unit off at the power 
outlet and switch off the circuit breaker. Isolate 
supply by taking the power-plug out and contact a 
qualified service technician.

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It may cause failure of 
appliance or accident.

Appearance may be 
deteriorated due to change
of product color or 
scratching of its surface.

Do not place obstacles 
around air-inlets or inside 
of air-outlet.

Do not use strong deter-
gent such as wax or 
thinner but use a soft cloth.

If bracket is damaged, there
is concern of damage due to
falling of unit.

There is danger of fire or 
electric shock.

Ensure that the installation bracket of 
the outdoor appliance is not damaged 
due to prolonged exposure.

Do not place heavy object on the 
power cord and ensure that the cord
is not compressed.

Operation without filters may

cause failure.

It contains contaminants and 

could make you sick.

Always insert the filters 
securely. Clean filter once 
every two weeks.

Do not drink water drained 
from air conditioner.

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