Product data

40 QA CLEANINGANDMAINTENANCE
To avoid the possibility of electric shock, before per-
forming any cleaning and maintenance operations, al-
ways turn off power to the system by pressing the mode
buttonontheremotethermostatuntilthedisplayshows
‘‘OFF,’’andturningofftheoutdoordisconnectswitch
located near the outdoor unit. If the indoor unit is on a
separate switch, be sure to turn this disconnect off as
well.
Do not wash filter in water over 120 F (to avoid shrink-
age). Do not expose filter to fire (to avoid fire damage).
Do not expose filter to direct sunlight. Clean filter more
frequently when air is extremely dirty.
Do not attempt to clean or service components in con-
trol box.
For proper system operation, perform the cleaning and main-
tenance operations in Table 8.
Lubrication — The indoor-fan, automatic air sweep, and
the outdoor-fan motors are factory lubricated and require no
oiling.
To Remove and Clean or Replace Air Filters
(Fig. 23)
Operating your system with dirty air filters may damage
the indoor unit and, in addition, can cause reduced cool-
ing performance, intermittent system operation, frost
build-up on the indoor coil, and blown fuses. Inspect
and clean or replace the air filters monthly.
TO REMOVE AIR FILTERS — Remove filters by pulling
them straight out.
Fig. 23 — Cleaning Filters
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