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CX SERIES
MAINTENANCE SCHEDULE
Monthly
1. Check for unusual noise or vibration.
2. Check drain line for proper drainage and make sure there is no mold is in the drain line.
Every Six
Weeks
Using the supplied drain line brush, clean the interior drain line leading from the drip tray and
drop a pan tab into the drip tray (see illustration below for more details).
Quarterly
Use a vacuum with brush attachment to clean coils; be careful not to crush coil fins when
cleaning.
Annually
1. Inspect for corrosion.
2. Check wiring connections and integrity of cords.
3. Pour a 50/50 bleach solution into the drain line every spring.
DRIP TRAY
EXTERIOR UNIT HOUSING
INTERIOR DRAIN LINE
Insert supplied drain line
brush from this end
Drop pan tab into drip tray
through access door
ACCESS DOOR
CX2200
ACCESS
DOOR
CX3300/4400/8800
ACCESS
DOOR
SCREWS
REAR
OF
UNIT
TOP OF UNIT
EXTERIOR DRAIN PORT
Pan tabs kill bacteria and related odors, remove sludge and scale, and help to prevent water damage caused by con-
densate overflow. They are non-corrosive and easy to install. Simply use the access door to drop a pan tab into the drip
tray every six weeks.
WARNING: Keep pan tabs out of reach of children. They contain quaternary ammonium
chloride and can cause skin and eye irritation. They are harmful or fatal if ingested. Wear
protective gloves when handling pan tabs. Wash thoroughly after handling. If pan tabs
make contact with eyes, rinse cautiously with water for several minutes. In case of an emer-
gency, call 1-800-255-3924 (24 hours).
