Hitachi RAC-E25YHA, Instruction Manual

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SAFETY PRECAUTION
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• Please keep this manual after reading.
WARNING
CAUTION
• Do not reconstruct the unit.
Water leakage, fault, short circuit or fire may occur if you reconstruct the unit by yourself.
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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.
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Be sure to use the specified piping set for R3 2. 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. If any failure is found in
the drain path, water drops from the indoor and outdoor units, causing wet household effects.
• Make sure that a single phase 2 V power source is used.
The use of other power sources may cause electrical components to overheat
and lead to fire.
PROHIBITION
CONNECT EARTH LINE
PROHIBITION
PROHIBITION
• Should abnormal situation arise (like burning smell), please stop operating the
unit and remove plug from the socket or turn off the circuit breaker. 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.
WARNING
PRECAUTIONS DURING INSTALLATION
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
“OFF”
PROHIBITION
• Avoid an extended period of direct air flow for your health.
• Do not connect the power calbe with an extension cable or do not plug too many
leads of the other electric appliance into the socket where this cable is plugged.
In addition, wire the cable with some allowances to prevent the cable from stretching.
Not doing so will cause an electrical shock, heat generation or fire.
PROHIBITION
• Do not put objects like thin rods into the panel of blower and suction side
because the high-speed fan inside may cause danger.
• Do not bundle the power cable, pull it, put something on it, heat it, process it, or
put it between things. Breakage of the power cable may result.
Use of a damaged cable may cause an electrical shock or a fire.
PROHIBITION
PROHIBITION
The appliance is not to be used by persons (including children) with reduced physical, sensory or
mental capabilities, or lack of experience and knowledge, unless they have been given supervision
or instruction.
Children being supervised not to play with the appliance.
If the supply cord is damaged, it must be replaced by a special cord or assembly available
from the manufacturer or its service agent.
20-240
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Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.
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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.
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The signs indicate the following meanings. (The following are examples of signs.)
Make sure to connect earth line.
Indicates the instructions that must be followed.
This sign in the figure indicates prohibition.
This appliance is filled with R32.