Safety Precaution - Hitachi RAS-70YHA4 Manual

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
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Warning" and "
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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 sign indicate the following meanings.
8
Make sure to connect earth line.
~ The sign in the figure indicates prohibition.
@
Indicates the instructions that must be followed.
• Please keep this manual after reading.
PRECAUTIONS DURING INSTALLATION
• Do not reconstruct the unit.
Water leakage, fault, short circuit or fire may occur
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you reconstruct the unit by yourself.
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WARNING
• 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.
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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.
• 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 near location where there is flammable gas. The outdoor unit may catch
fire if flammable gas leaks around it.
CAUTION
• Please ensure smooth flow of water when installing the drain hose.
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• Do not install the indoor unit in a machine shop or kitchen where vapor from oil or its
mist flows to the indoor unit. The oil will deposit on the heat exchanger, thereby reducing
the indoor untt performance and may deform and in the worst case, breake the plastic
parts of the indoor unit.
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
• Should abnormal situation arises (like burning smell), please stop operating the unit and turn off the
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circuit breaker. Contact your agent. Fault, short circutt or fire may occur if you continue to operate
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the unit under abnormal situation.
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• 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.
• If the supply cord is damaged, it must be replaced by the special cord obtainable at authorized
service/parts centers.
PRECAUTIONS DURING OPERATION
• Avoid an extended period of direct air flow for your health.
• Do not insert a finger, a rod or other objects into the air outlet or inlet. As the fan is rotating at
a high speed, it will cause injury. Before cleaning, be sure to stop the operation and turn the
breaker OFF.
• Do not use any conductor as fuse wire, this could cause fatal accident.
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During thunder storm, disconnect and turn off the circuit breaker.
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• 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.
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