13.07.2015 Views

RAS-50YH5/RAC-50YH5 - Hitachi Air Conditioning Products

RAS-50YH5/RAC-50YH5 - Hitachi Air Conditioning Products

RAS-50YH5/RAC-50YH5 - Hitachi Air Conditioning Products

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! CAUTIONCleaning and maintenance must be carried out only by qualified service personal. Before cleaning,stop operation and switch off the power supply.ENGLISH3. MAINTENANCE AT BEGINNING OF LONG OFF PERIOD●●Run the unit by setting the operation mode to(COOL), the temperature to 32°C and the fan speedto HI for about half a day on a fine day, and dry thewhole of the unit.Switch off the power plug.<strong>Air</strong>BlowREGULAR INSPECTIONPLEASE CHECK THE FOLLOWING POINTS BY QUALIFIED SERVICE PERSONAL EITHEREVERY HALF YEARLY OR YEARLY. CONTACT YOUR SALES AGENT OR SERVICE SHOP.1Is the earth line disconnected or broken?2Is the mounting frame seriously affected by rust and is theoutdoor unit tilted or unstable?3ConfirmIs the plug of power line firmly plugged into the socket?(Please ensure no loose contact between them).– 23 –

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