Mitsubishi Heavy Industries DXK09Z6-W, User Manual

EN-5

❚

Safety precautions

 CAUTION

x

Do not touch the aluminum fins on the 
heat exchanger.

It may result in injury.

x

Do not place household electrical 
appliances or household items under-
neath the indoor or outdoor units.

Condensation falling from the unit may 
stain objects and cause accidents or 
electrical shock.

x

Do not operate the system without the 
air filter.

It can cause malfunction of the system 
due to clogging of the heat exchanger.

x

Do not shut off the power source 
immediately after stopping the 
operation.

Wait at least 5 minutes, otherwise there is 
a risk of water leakage or breakdown.

x

Do not control the system with main 
power switch.

It can cause fire or water leakage. In 
addition, the fan can start unexpectedly, 
which can cause personal injury.

x

Do not pour liquid into the unit and do 
not put water container on the unit.

Water entering the unit could damage the 
insulation and therefore cause an electric 
shock.

x

If you operate air-conditioner together 
with a combustion appliance, you must 
regularly ventilate the indoor air.

Insufficient ventilation may cause 
accidents due to oxygen deficiency.

x

Stand firmly on a stepladder or other 
stable object when removing the inlet 
panel and filters.

Failure to observe this may result in injury 
through insecure objects toppling over.

x

When you clean air-conditioner, stop 
the unit and turn off the power source.

Never open the panel while the internal 
fan is rotating.

x

Do not place objects near the outdoor 
unit or allow leaves to gather around 
the unit.

If there are objects or leaves around the 
outdoor unit, small animals may enter 
unit and contact electrical parts and may 
cause a break-down, smoke or fire.

x

Contact your dealer to clean inside the 
indoor unit, do not attempt to do by 
yourself.

The use of a non-approved detergent or 
improper washing method may damage 
the unit’s plastic components and cause 
leaks. Damage, smoke, or fire may also 
happen if the detergent comes in contact 
with electrical parts or the unit’s motor.

x

Stop the unit and turn off the power if 
you hear thunder or there is a danger 
of lightning.

It may damage the unit.

x

If the power cable becomes damaged, 
contact your dealer or a qualified 
installer. 

If it is not replaced, it may cause a 
breakdown or fire.

RLC012A103_EN.indd   5

9/25/2018   11:57:40 AM