Safety Precautions To Be Observed Without Fail - Mitsubishi Electric GB-50A Installation Manual

This manual describes the installation of the central controller and wiring to the air conditioner. Refer to the
installation manual of the air conditioner. Carefully read item "1 Safety precautions to be observed without fail"
before installing the unit.
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Safety Precautions to be Observed without Fail

* Hazards and levels of danger that can occur due to incorrect handling are classified by the following symbols.
WARNING
CAUTION
* After reading this manual, keep in a handy place. When removing or repairing the unit, give this manual to the
installer. When the user changes, also give to the new user.
Ask your dealer or technical
representative to install.
If incorrect installation is done by a customer, it
may cause an electric shock, fire, etc.
Securely install in a place which can
withstand the weight of the controller.
If it is not enough, the unit may fall and
cause an injury.
Securely connect the wiring using the
specified cables and fix them so that the
stress from the cables is not applied to
the terminal connection sections.
If connection or fixing is not reliably
connected, it may cause heat generation, a
fire, etc.
Never modify or repair by yourself.
If the controller is modified or a repair is not
correct, it may cause an electric shock, fire,
etc.
Consult your dealer if repairs are necessary.
Do not install the controller in a place
where flammable gas could leak.
If gas leaks and collects around the unit, it
may cause a fire or explosion.
Do not use this controller in an
abnormal environment.
If the controller is used in a place where there is
much oil (including machine oil), steam or
sulfide gas, the performance of the controller
may deteriorate or parts may be damaged.
Incorrect handling can result in death, serious injury, etc.
Incorrect handling can result in injury or damage to the building or its contents.
WARNING
Securely install the controller according
to the installation manual.
If installation is not correct, it may cause an
electric shock, fire, etc.
The electric work should be perform by
authorized personal according to the
installation manual.
Any lack of electric circuit or any deficiency
caused by installation may result in an
electric shock or fire.
Do not move and re-install the unit by
yourself.
If installation is not correct, it may cause an
electric shock, fire, etc.
Ask your dealer or technical representative.
This appliance must be earthed (grounded).
Make sure to install a protect earth(PE)/grounding line .
Do not connect the PE (grounding) line to gas or water
pipes, lightning conductors or telephone grounding lines.
Improper grounding may cause an electric shock.
CAUTION
Do not install this controller in a place
where the ambient temperature exceeds
40ºC (104ºF) or drops below 0ºC (32ºF),
also do not install in a place where it is
exposed to direct sunlight.
It may cause a deformation or malfunction.
Do not install this controller in a place
where steam is generated such as
bathroom, kitchen, etc.
Avoid placing where water condenses on
the walls. It may cause an electric shock or
malfunction.
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