Hitachi RAK-18PSC Bedienungsanleitung Seite 47

REGULAR INSPECTION
PLEASE CHECK THE FOLLOWING POINTS EVERY EITHER HALF YEARLY OR YEARLY. CONTACT YOUR
SALES AGENT SHOULD YOU NEED ANY HELP.
INSPECTION AND MAINTENANCE
Air conditioner is designed to perform automatic filter cleaning to maintain the
interior of air conditioner clean. However, the interior of air conditioner may get
dirty and the air conditioning performance may be lowered after air conditioner
is used for a few seasons.
CAUTION
Beside maintenance, please perform inspection as well
Dust deposited inside the indoor unit may block the drainage path of dehumidified water and could result in
water dripping.
• Maintenance inspection is recommended in addition to ordinary cleaning.
Request your sales agent for maintenance inspection
Maintenance inspection requires technical expertise. Use of commercially available cleaning agent may cause
crack on resin part and clogging of drainage path, which could result in water dripping and electrical shock.
• Consult your sales agent for inspection and maintenance.
Is the unit's earth line connected correctly?
Please make sure earth line is connected correctly.
• If the earth line is disconnected or faulty, it may result in
WARNING
malfunction or electric shock.
Is the mounting frame stable?
Check to see if the mounting frame has rusted excessively or
if the outdoor unit has tilted or become unstable.
WARNING
• If the outdoor unit collapsed or fell, it could cause injury.
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