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2.10.5 Air Filter Cleaning
(1) Perform cleaning of the air filter more than once a year.
(2) Ensure to use electric vacuum cleaner to remove dust clogged.
(Otherwise, clean with water or natural type cleaning agent.)
To dry-out the air filter, keep out of direct sun to avoid any deformation.
2.10.6 Total Heat Exchanger Cleaning
(1) Clean up the total heat exchanger element more than once two years.
(2) Use a vacuum cleaner to suck up the dust and dirt on the exposed surfaces of the total heat
exchange elements. Attach a nozzle with a brush to the vacuum cleaner for this job, and clean the
elements by passing the brush lightly over their exposed surfaces.
G
Do NOT wash the element by water.
G
Do not use the fard nozzle of the vacuum cleaner. It may damage the exposed surfaces of the
total heat exchange element.
G
Under no circumstances should the total heat exchange elements be washed in water.
TURN OFF all power source switches.
Vacuum Cleaner
Corner
(with brush attachment)
Tool
Phillips Screwdriver
Total Heat
Exchange Element
SERVICING
(2.10 Total Heat Exchanger)
2-115
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