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

1. Safety Precautions

The following symbols indicate the degree of danger caused
by incorrect handling of the product.
WARNING
Incorrect handling of the
product may result in serious
injury or death.
Do not install 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 beyond that is necessary.
Failure to heed this warning may result in fire, electric shock or injury.
Do not
disassemble
Refrain from immersing in water or splashing the product with water.
Failure to heed this warning could result in short circuit or electric shock.
Do not wet
Do not install the product or the controller in a bathroom or other humid location.
Failure to heed this warning may result in electric shock or electric leakage.
Do not install
in bathroom
Make sure to install the ground wire.
Device failure and electric leakage may cause electric shock.
Be sure to
ground
Use 220 to 240 V AC power.
Failure to head this warning may result in fire, electric shock or damage to the circuit boards.
For the outdoor air intake vent, choose a position where combustion gas or other similar exhaust air is not
sucked in and the vent is not buried by snow.
Inability to bring in fresh air may result in lack of oxygen in the room.
Select a place which is strong enough to support the product, and install the product securely.
Injury could result if parts fall.
Electrical work must be carried out safely and reliably by a professional electrical contractor (properly qualified
electrician) in accordance with internal wiring provisions and electrical-equipment technical standards.
Poor connection and faulty electrical work could result in electric shock or fire.
Install an all-pole power supply isolator at the power supply side as per local electrical regulations. All
supply circuits must be disconnected before obtaining access to the terminal devices. Use the specified
cable size and connect the cables securely to prevent disconnection when they are pulled.
If there is a defect in the connection, there is a possibility of fire.
Use the designated electric wires, and connect them securely so that they do not come loose.
Follow Defective connections may result in fire.
instructions
When metal ducts penetrate through metal-sheeted wooden buildings or structures, install the product so
that there is no electrical contact between the metal ducts and the metal sheeting.
Electric leakage may cause ignition.
Make sure to cover with the terminal block cover after electrical work.
Failure to heed this warning may cause dust, humidity, etc. to enter, resulting in electric leakage or fire.
Secure duct piping with commercially available fixing bands, aluminum tape, etc. to prevent piping from
coming loose. Install outdoor piping from the product so that it is tilted at a downward pitch of at least 1/30
towards the outside.
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 after installation, make sure to turn off the circuit
breaker.
It could cause electrical shock by deteriorated insulation or fire by the electric leakage.
For installation work parts, make sure to use only accessories and designated parts
Use of non-designated parts may result in equipment damage or accidents.
CAUTION
Incorrect handling may result
in minor injury or physical
damage to the house or
household goods.
WARNING
Symbols used in the text and on the main unit have the
following meanings.
Prohibited
Do not disassemble
Do not wet
Eng-2
Do not install in
bathroom
Be sure to ground
Follow instructions