Safety Precautions - Mitsubishi TDJ430D Service Manual

Read the "Safety Precautions" thoroughly before using inspections and maintenance.
The precautions described here are classified as "
fatalities or serious injuries during inspection and maintenance are listed as "
listed as " CAUTIONS" could lead to series results depending on the situation. In any case, important information
related to safety is described, and must be observed.
The meaning of the symbols used in this manual are as follows.
Never carry out.
(1) Never touch the high temperature sections such as the movable sections, exhaust pipe,
and high pressure side piping while the refrigeration unit is operating.
Failure to observe this could lead to burns.
(2) If the refrigerant gas leaks during work, always ventilate the area.
Toxic gas could be generated if the refrigerant gas contacts fire.
(3) According to this manual, securely install the product unit. If it is poorly installed, it will
cause refrigerant leakage, electric shock or fire.
(4) For installation, apply the method which must be sufficiently durable for the weight of
the product unit. If the strength is insufficient or the installation is poor, the product unit will drop
to cause an accident or wound.
(5) Don't change any setting value of the protector or safety device. If any setting value is
changed, the product unit will be punctured or fired.
(6) Don't mix any other refrigerant, air or similar except the specified refrigerant into the
refrigeration cycle.
If it is mixed, the pressure will become abnormally high in the refrigerant cycle, resulting in puncture
or wound.
(7) Do not make modifications.
Making modifications could lead to injuries, electric shocks or fires due to abnormal operation.
Before starting the refrigeration unit operation, confirm that the doors and screws for
the outer plates, etc., are completely tightened. Contacting the rotary parts could lead
to injuries.

Safety Precautions

WARNINGS" and "
WARNINGS
CAUTIONS
CAUTIONS". Items that could lead to
WARNINGS". Note that even the items
Always follow the instructions and carry out.