Table of Contents
Safety Precautions
Before installing the unit, thoroughly read the following safety precautions.
Observe these safety precautions for your safety.
WARNING
This symbol is intended to alert the user to the presence of important instructions that must be followed to avoid
the risk of serious injury or death.
CAUTION
This symbol is intended to alert the user to the presence of important instructions that must be followed to avoid
the risk of serious injury or damage to the unit.
After reading this manual, give it to the user to retain for future reference.
Keep this manual for easy reference. When the unit is moved or repaired, give this manual to those who provide these
services.
When the user changes, make sure that the new user receives this manual.
WARNING
Do not use refrigerant other than the type indicated in
the manuals provided with the unit and on the name-
plate.
Doing so may cause the unit or pipes to burst, or result in
explosion or fire during use, during repair, or at the time of
disposal of the unit.
It may also be in violation of applicable laws.
MITSUBISHI ELECTRIC CORPORATION cannot be held
responsible for malfunctions or accidents resulting from the
use of the wrong type of refrigerant.
Ask your dealer or a qualified technician to install the
unit.
Improper installation by the user may result in water leak-
age, electric shock, smoke, and/or fire.
Properly install the unit on a surface that can with-
stand the weight of the unit.
Unit installed on an unstable surface may fall and cause in-
jury.
Only use specified cables. Securely connect each ca-
ble so that the terminals do not carry the weight of the
cable.
Improperly connected or fixed cables may produce heat
and start a fire.
Take appropriate safety measures against strong
winds and earthquakes to prevent the unit from falling.
If the unit is not installed properly, the unit may fall and
cause serious injury to the person or damage to the unit.
HWE1113B
Do not make any modifications or alterations to the
unit. Consult your dealer for repair.
Improper repair may result in water leakage, electric shock,
smoke, and/or fire.
Do not touch the heat exchanger fins.
The fins are sharp and dangerous.
In the event of a refrigerant leak, thoroughly ventilate
the room.
If refrigerant gas leaks and comes in contact with an open
flame, poisonous gases will be produced.
Properly install the unit according to the instructions
in the installation manual.
Improper installation may result in water leakage, electric
shock, smoke, and/or fire.
Have all electrical work performed by an authorized
electrician according to the local regulations and in-
structions in this manual, and a dedicated circuit must
be used.
Insufficient capacity of the power supply circuit or improper
installation may result in malfunctions of the unit, electric
shock, smoke, and/or fire.
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Troubleshooting
