507861-01
Issue 1927
Page 11 of 17
Maintenance
Disconnect all electrical power to the unit before
conducting any maintenance procedures. Failure to
disconnect the power could result in personal injury or
death.
WARNING
Periodic inspection and maintenance normally consists of
changing or cleaning filters and (under some conditions)
cleaning the coils.
Filter
Inspect the filter once a month. Replace disposable filter or
clean the washable filter as necessary (a minimum of three
times each heating or cooling season is recommended).
To clean the washable filter, shake filter to remove excess
dirt and/or use a vacuum cleaner. Wash filter in soap or
detergent water and replace after filter is dry. It is not
necessary to oil the filter after washing.
Motors
The indoor and outdoor fan motors are permanently
lubricated and require no maintenance.
Outdoor Coil
Foreign material should not be allowed to accumulate on
the outdoor coil surface or other parts in the air circuit.
Cleaning should be as often as necessary to keep the coil
clean. To clean the coil, remove the lower access panel
and blow out debris by using compressed air or water.
Be
sure power to unit is shut off before using water to
clean the coil.
Care should be used when cleaning the coils so that
the coil fins are not damaged.
Outdoor Base Drain
Foreign material should not be allowed to clog the drain
hole. Inspect and clear drain opening prior to heating
season.