Hitachi RAS-80YHA instruction manual Maintenance, AIR Filter

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MAINTENANCE

CAUTION

Cleaning and maintenance must be carried out only by qualified service personal. Before cleaning, stop operation and switch off the power supply.

1.AIR FILTER

Clean the air filter, as it removes dust inside the room. In case the air filter is full of dust, the air flow will decrease and the cooling capacity will be reduced. Further, noise may occur. Be sure to clean the filter following the procedure below.

PROCEDURE

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Open the front panel and remove the filter

Gently lift and remove the air cleansing and deodorizing filter from the air filter frame.

Vacuum dust from the air filter and air cleansing and deodorizing filter using vacuum cleaner. If there is too much dust, rinse under running tap water and gently brush it with soft bristle brush. Allow filters to dry in shade.

Re-insert the air cleansing and deodorizing filter to the filter frame. Set the filter with “FRONT” mark facing front, and slot them into the original state.

After attaching the filters, push the front panel at three arrow portions as shown in figure and close it.

NOTE:

Air cleansing and deodorizing filter should be cleaned every month or sooner if noticeable loading occurs. When used overtime, it may loose its deodorizing function. For maximum performance, it is recommended to replace it every 3-6 months depending on application requirements.

CAUTION

Do not wash with hot water at more than 40°C. The filter may shrink.

When washing it, shake off moisture completely and dry it in the shade; do not expose it directly to the sun. The filter may shrink.

Do not use detergent on the air cleansing and deodorizing filter as some detergent may deteriorate the filter electrostatic performance.

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Contents Indoor UNIT/OUTDOOR Unit Precautions During Installation Precautions During Shifting or MaintenancePrecautions During Operation U T I O N Names and Functions of Each Part Indoor UnitOutdoor Unit Indoor Unit Indicators Operation IndicatorSTART/STOP button Automatic Operation Various FunctionsStart StopStart Stop Heating OperationStop Dehumidifying OperationCool Cooling OperationFAN Operation Time, Day, Month HOW to SET the TimerLights. a beep occurs Timer lamp lights on the indoor unit HOW to SET the Sleep Timer Explanation of the sleep timer Adjusting the AIR Deflector HOW to Exchange the Batteries in the Remote Controller Ventilation Ideal Ways of OperationUV-LED For USER’S InformationAttaching the AIR Cleansing and Deodorizing Filters AIR Filter MaintenanceWashable Front Panel Regular Inspection Maintenance AT Beginning of Long OFF PeriodAfter Sale Service and Warranty When Asking for SERVICE, Check the Following PointsCondition Check the Following Points Memo Memo