Hitachi RAK-18NH6AS - Remote Control Maintenance; Battery Replacement and Circuit Breaker

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l Please read the “Safety Precaution” carefully before operating the unit to ensure correct usage of the unit.
l 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.
l The sign indicate the following meanings.
l Please keep this manual after reading.
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SAFETY PRECAUTION
WARNING
PRECAUTIONS DURING INSTALLATION
l Do not reconstruct the unit.
 Waterleakage, fault, short circuit or remayoccurifyoureconstructtheunitby
yourself.
lPleaseaskyoursalesagentorqualiedtechnicianfortheinstallationofyourunit.
Water leakage, short circuit or re may occur if you install the unit by yourself.
l 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.
lBe sureto usethe specied pipingset forR410A. Otherwise,this may resultin
broken copper pipes or faults.
lAcircuit breakershould beinstalled depending onthe mountingsite ofthe unit.
Without a circuit breaker, the danger of electric shock exists.
lDo not install near locationwhere there is ammable gas.Theoutdoorunitmay
catch re if ammable gas leaks around it.
lPlease ensure smooth ow of water when installing the drain hose.
CAUTION
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PRECAUTIONS DURING OPERATION
lAvoid an extended period of direct air ow for your health.
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lDonotinserta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.
l During thunder storm, disconnect and turn off the circuit breaker.
l Do not use any conductor as fuse wire, this could cause fatal accident.
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Make sure to connect earth line.
Indicates the instructions that must be followed.
The sign in the gure indicates prohibition.
PRECAUTIONS DURING SHIFTING OR MAINTENANCE
l 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remay
occur if you continue to operate the unit under abnormal situation.
l Please contact your agent for maintenance. Improper self maintenance may cause
electric shock and re.
l Please contact your agent if you need to remove and reinstall the unit. Electric
shock or re may occur if you remove and reinstall the unit yourself improperly.
l If the supply cord is damaged, it must be replaced by the special cord
obtainable at authorized service/parts centers.
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