Hitachi RAC-25NXA1, Instruction Manual

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PRECAUTIONS DURING OPERATION
WARNING
WARNING
SAFETY PRECAUTION
•
Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.
• Pay special attention to signs of “ Warning ” and “ Caution ”. The “Warning” section contains matters
which, if not observed strictly, may cause death or serious injury. The “Caution” section contains matters
which may result in serious consequences if not observed properly. Please observe all instructions strictly to
ensure safety.
•
The signs indicate the following meanings. (The following are examples of signs.)
•
Please keep this manual after reading.
•
Do not reconstruct the unit.
Water leakage, fault, short circuit or fire may occur if you reconstruct the unit by
yourself.
• Please ask your sales agent or qualified technician for the installation of your unit.
Water leakage, short circuit or fire may occur if you install the unit by yourself.
• Please use earth line.
Do not place the earth line near water or gas pipes, lightning-conductor, or the
earth line of telephone. Improper installation of earth line may cause electric
shock or fire.
• Be sure to use the specified piping set for R410A. Otherwise, this may result in
broken copper pipes or faults.
• A circuit breaker should be installed depending on the mounting site of the unit.
Without a circuit breaker, the danger of electric shock exists.
•
Do not install the unit near a location where there is flammable gas. The outdoor unit
may catch fire if flammable gas leaks around it. Piping shall be suitable supported
with a maximum spacing of 1m between the supports.
• Please ensure smooth flow of water when installing the drain hose.
• Make sure that a single phase 220V or 230V or 240V power source is used.
The use of other power sources may cause electrical components to overheat and
lead to fire.
PRECAUTIONS DURING INSTALLATION
PROHIBITION
CONNECT EARTH LINE
PROHIBITION
PROHIBITION
WARNING
CAUTION
• Avoid an extended period of direct air flow for your health.
•
Should abnormal situation arise (like burning smell), please stop operating the unit
and remove plug from the socket. Contact your agent. Fault, short circuit or fire may
occur if you continue to operate the unit under abnormal situation.
• Please contact your agent for maintenance. Improper self maintenance may cause electric shock
and fire.
•
Please contact your agent if you need to remove and reinstall the unit. Electric shock or fire may occur
if you remove and reinstall the unit yourself improperly.
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
• Do not use any conductor as fuse wire, this could cause fatal accident.
•
During thunder storm, disconnect the plug top and turn off the circuit breaker.
• Do not put objects like thin rods into the panel of blower and suction side because
the high-speed fan inside may cause danger.
• Spray cans and other combustibles should not be located within a meter of the air
outlets of both indoor and outdoor units.
As a spray can’s internal pressure can be increased by hot air, a rupture may result.
PROHIBITION
PROHIBITION
PROHIBITION
PROHIBITION
"OFF"
This sign in the figure indicates prohibition. Indicates the instructions that must be followed.
"OFF"
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