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Safety Precautions - Mitsubishi Electric PUZ-WM . AA serie Installationshandbuch

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  • DEUTSCH, seite 16

1. Safety precautions

• The unit must be installed according to the instruc-
tions in order to minimize the risk of damage from
earthquakes, typhoons, or strong winds. An incor-
rectly installed unit may fall down and cause dam-
age or injuries.
• The unit must be securely installed on a structure
that can sustain its weight. If the unit is mounted on
an unstable structure, it may fall down and cause
damage or injuries.
• If the outdoor unit is installed in a small room,
measures must be taken to prevent the refriger-
ant concentration in the room from exceeding the
safety limit in the event of refrigerant leakage. Con-
sult a dealer regarding the appropriate measures
to prevent the allowable concentration from being
exceeded. Should the refrigerant leak and cause the
concentration limit to be exceeded, hazards due to
lack of oxygen in the room may result.
• Ventilate the room if refrigerant leaks during opera-
tion. If refrigerant comes into contact with a flame,
poisonous gases will be released.
• All electric work must be performed by a qualified
technician according to local regulations and the
instructions given in this manual. The units must be
powered by dedicated power lines and the correct
voltage and circuit breakers must be used. Power
lines with insufficient capacity or incorrect electri-
cal work may result in electric shock or fire.
• This appliance is intended to be used by expert
or trained users in shops, in light industry and on
farms, or for commercial use by lay persons.
• Use only specified cables for wiring. The wiring
connections must be made securely with no ten-
sion applied on the terminal connections. Also,
never splice the cables for wiring (unless otherwise
indicated in this document).
Failure to observe these instructions may result in
overheating or a fire.
• If the supply cord is damaged, it must be replaced
by the manufacturer, its service agent or similarly
qualified persons in order to avoid hazard.
• The appliance shall be installed in accordance with
national wiring regulations.
• The terminal block cover panel of the outdoor unit
must be firmly attached. If the cover panel is mount-
ed incorrectly and dust and moisture enter the unit,
electric shock or fire may result.
• When installing or relocating, or servicing the out-
door unit, use only the specified refrigerant (R32) to
charge the refrigerant lines. Do not mix it with any
other refrigerant and do not allow air to remain in
the lines.
If air is mixed with the refrigerant, then it can be the
cause of abnormal high pressure in the refrigerant
line, and may result in an explosion and other haz-
ards.
The use of any refrigerant other than that speci-
fied for the system will cause mechanical failure or
system malfunction or unit breakdown. In the worst
case, this could lead to a serious impediment to se-
curing product safety.
• Use only accessories authorized by Mitsubishi Elec-
tric and ask a dealer or an authorized technician to
install them. If accessories are incorrectly installed,
water leakage, electric shock, or fire may result.
• Do not alter the unit. Consult a dealer for repairs. If
alterations or repairs are not performed correctly,
water leakage, electric shock, or fire may result.
• The user should never attempt to repair the unit or
transfer it to another location. If the unit is installed
incorrectly, water leakage, electric shock, or fire
may result. If the outdoor unit must be repaired or
moved, ask a dealer or an authorized technician.
• After installation has been completed, check for
refrigerant leaks. If refrigerant leaks into the room
and comes into contact with the flame of a heater
or portable cooking range, poisonous gases will be
released.
• Do not use means to accelerate the defrosting pro-
cess or to clean, other than those recommended by
the manufacturer.
• The appliance shall be stored in a room without
continuously operating ignition sources (for exam-
ple: open flames, an operating gas appliance or an
operating electric heater).
• Do not pierce or burn.
• Be aware that refrigerants may not contain an odour.
• Compliance with national gas regulations shall be
observed.
• Keep any required ventilation openings clear of ob-
struction.
/ Do not use low temperature solder alloy in case of
brazing the refrigerant pipes.
/ When performing brazing work, be sure to ventilate
the room sufficiently.
Make sure that there are no hazardous or flammable
materials nearby.
When performing the work in a closed room, small
room, or similar location, make sure that there are
no refrigerant leaks before performing the work.
If refrigerant leaks and accumulates, it may ignite or
poisonous gases may be released.
/ The appliance shall be stored in a well-ventilated
area where the room size corresponds to the room
area as specified for operation.
/ Keep gas-burning appliances, electric heaters, and
other fire sources (ignition sources) away from the
location where installation, repair, and other out-
door unit work will be performed.
If refrigerant comes into contact with a flame, poi-
sonous gases will be released.
/ Do not smoke during work and transportation.
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