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Safety Precaution; Precautions During Installation; Precautions During Operation - Hitachi RAS-18SX8 Instruction Manual

Split type indoor unit/outdoor unit
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• Please read the "Safety Precaution" carefully before operating the unit to ensure correct usage of the unit.
• Pay special attention to signs of "
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.)
This sign in the fi gure indicates prohibition.
• Please keep this manual after reading.
• Do not reconstruct the unit.
Water leakage, fault, short circuit or fi re 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.
WARNING
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 fi re.
• Be sure to use the specifi ed 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 fl ammable gas. The outdoor
unit may catch fi re if fl ammable gas leaks around it. Piping shall be suitable
supported with a maximum spacing of 1m between the supports.
CAUTION
• Please ensure smooth fl ow of water when installing the drain hose.
• Make sure that a single phase 230V power source is used.
The use of other power sources may cause electrical components to overheat
and lead to fi re.
• 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
fi re may occur if you continue to operate the unit under abnormal situation.
WARNING
• Please contact your agent for maintenance. Improper self maintenance may cause electric
shock and fi re.
• Please contact your agent if you need to remove and reinstall the unit. Electric shock or fi re
may occur if you remove and reinstall the unit yourself improperly.
• Avoid an extended period of direct airfl ow for your health.
PROHIBITION
• Do not use any conductor as fuse wire, this could cause fatal accident.
WARNING
"OFF"
• 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.

SAFETY PRECAUTION

Warning" and "

PRECAUTIONS DURING INSTALLATION

PRECAUTIONS DURING SHIFTING OR MAINTENANCE

PRECAUTIONS DURING OPERATION

• Do not put objects like thin rods into the panel of blower and suction side
because the high-speed fan inside may cause danger.
• During thunder storm, disconnect the plug top and turn off the circuit
breaker.
Caution". The "Warning" section contains matters which, if
Indicates the instructions that must be followed.
– 2 –
PROHIBITION
CONNECT EARTH LINE
PROHIBITION
PROHIBITION
"OFF"
PROHIBITION
PROHIBITION
PROHIBITION

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