Safety Precautions - Mitsubishi Electric VL-250CZPVU-R-E Instruction Manual

1. Safety Precautions

The following symbols denote the type and degree of
danger resulting from incorrect handling.
WARNING
Incorrect handling of the
product may result in
serious injury or death.
Do not turn on or off the controller when corrosive gas has leaked.
Sparks from electric contacts may cause the gas to explode.
Do not use the product in hot places, in the direct sunlight and in smoky places.
Failure to heed this warning may result in fire.
Prohibited
Do not modify or disassemble the product using tools.
Failure to heed this warning may result in fire, electric shock or injury.
No disassembly
Refrain from immersing in water or splashing the product with water.
Failure to heed this warning may result in fire or electric shock.
No water exposure
Make sure that the product and the controller is not installed at a bathroom or other humid
location.
Failure to heed this warning may result in electric shock or injury.
Cannot be installed
in a bathroom
Make sure that the product is grounded.
Device failure and electric leakage may cause electric shock.
About installing a ground, contact your dealer or an electrical contractor.
The product must
be grounded
Use 220 to 240 V AC power.
Failure to heed this warning may result in fire, electric shock or damage to the circuit boards.
Make sure that the outdoor air intake vent is located at a position where combustion gas or
other similar gases is not sucked in.
Inability to bring in fresh air may result in lack of oxygen in the room.
Make sure to turn off the isolator before cleaning and maintenance.
Failure to heed this warning may result in electric shock or injury.
If an abnormality occurs (for example, when you smell burning), stop operation, and turn off
the circuit breaker on the power board.
If operation of the product is continued in this state, this may result in malfunction, electric shock or fire.
If an abnormality or malfunction occurs, immediately stop use of the product.
Follow
Continued use of the product in this state may result in smoking, ignition fire, electric shock, or injury.
instructions
Contact an electrical contractor to work electrical wiring.
Incorrectly electrical work may result in electric shock.
Make sure that an outdoor hood, that makes it less likely for rain water, snow or small animals
(for example, bats) from entering, is installed at the ends of supply air and exhaust ducts.
Failure to heed this warning may cause rain penetration, resulting in electric shock/fire or water
damage to household property.
If the product will not be operated for a long period of time, make sure to turn off the circuit
breaker on the power board.
Failure to heed this warning may result in electric shock due to deteriorated insulation or fire due to
electric leakage.
CAUTION
Incorrect handling of
the product may result
in injury or damage to
property or household
effects.
WARNING
Symbols used in the text and on the main unit have the
following meanings.
Prohibited
No disassembly
No water exposure
Eng-2
Cannot be installed in
a bathroom
The product must be
grounded
Follow instructions