Safety Precaution; Precautions During Installation; Precautions During Operation - Hitachi RAK-50PPA(T) Instruction 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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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.
Make sure to connect earth line.
Indicates the instructions that must be followed.
● 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 qualifi ed technician for the installation of your unit. Water
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leakage, short circuit or fi re 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.
● 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
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a circuit breaker, the danger of electric shock exists.
● Do not install near location where there is fl ammable gas. The outdoor unit may catch
fi re if fl ammable gas leaks around it.
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● Please ensure smooth fl ow of water when installing the drain hose.
CAUTION
Do not install the indoor unit in a machine shop or kitchen where vapor from oil or its
●
mist fl ows to the indoor unit. The oil will deposit on the heat exchanger, thereby reducing
the indoor unit performance and may deform and in the worst case, break 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 circuit breaker. Contact your agent. Fault, short circuit or fi re may occur if you continue
to operate the unit under abnormal situation.
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● Please contact your agent for maintenance. Improper self maintenance may cause electric
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shock and fi re.
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● Please contact your agent if you need to remove and reinstall the unit. Electric shock or fi re
I may occur if you remove and reinstall the unit yourself improperly.
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If the supply cord is damaged, it must be replaced by the special cord obtainable at
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authorized service/parts centers.
● Avoid an extended period of direct air fl ow for your health.
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A
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● Do not use any conductor as fuse wire, this could cause fatal accident.
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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.
RAK-50PPA(T)-1 2 RAK-50PPA(T)-1 2
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Warning" and " Caution". The "Warning" section contains matters which, if not

PRECAUTIONS DURING INSTALLATION

PRECAUTIONS DURING OPERATION

Do not insert a fi nger, 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.
During thunder storm, disconnect and turn off the circuit breaker.
The sign in the fi gure indicates prohibition.
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