NOTE T() EQI. IPMENT OWNER: Consult your local dealer about the availability of a maintenance contract.
Z_x WARNING: The ability to properly perform maintenance on this equipment requires certain expertise, mechanical
skills, tools and equipment. If you do not possess these, do not attempt to perform any maintenance on this equipment, other
than those procedures recommended in the User's Manual. FAILURE TO HEED THBSWARNmNG COULD RESULT IN SERIOUS
mNJURY, DEATH OR DAMAGE TO THIS EQUIPMENT.
The mininmm maintenance requirements %r this equipment are as %llows:
1 Inspect air filter(s) each month. Clean or replace when necessary.
2 Inspect indoor coil, outdoor coil, drain pan, and condensate drain each cooling and heating season fbr cleanliness. (lean when necessary.
3 Inspect blower motor and wheel for cleanliness each cooling and heating season. Clean when necessary. For first heating season, inspect
blower wheel bimonthly to determine proper cleaning frequency
4 Check electrical connections for tighmess and controls _br proper operation each cooling season Service when necessary
5 Check the &ain channel in the top cover periodically _br blockage (leaves, insects). (lean as needed.
Z_ WARNBNG: Failure to follow these warnings could result in serious injury or death:
1. Turn off electrical power to the unit and install lockout tag before performing any maintenance or service on the unit.
2. Use extreme caution when removing panels and parts. As with any mechanical equipment, personal injury can result from
sharp edges, etc.
3. Never place anything combustible either on, or in contact with, the unit.
PROCEDURE I--AIR FILTER
NOTE: Never operate the unit without a suitable air filter in the return-air duct system. Always replace the filter with the same size as originally
installed. See Table 1 for recommended filter sizes
Inspect air filter(s) at least once each month and replace (throwawayqype) or clean (cleanable-type) at least twice during each cooling season or
whenever the filters become clogged with dust and lint.
Replace filters with the same dimensional size and type as originally provided, when necessa_'.
PROCEDURE 2--UNIT TOP REMOVAL (OUTDOOR-COIL SIDE)
NOTE: When per[orn_ing n_aintenance or service procedures that require ren_oval of d-_eunit top, be sure to perform all of the routine n_aintenance
procedures that require top removal, including coil inspection and cleaning, and condensate drain pan inspection and cleaning.
Z_ WARNING: Disconnect and tag e[ectNca[ power to the unit before removing top. Failure to adhere to this warning
could cause serious injury or death,
Only qualified service personnel should per%tin maintenance and service procedures that require unit top removal
Refer to the following top removal procedures:
1. Remove 7 screws on unit top cover surface. (Save all screwsh
2. Remove 2 screws on unit top cover flange. (Save all screwsh
3. Lift top fi'om unit carefully. Set top on edge and make sure that top is supported by unit side that is opposite duct (or plenum) side.
4. Caret\ally replace and secure unit top to unit, using screws removed in Steps 1 and 2_ when maintenance and/or service procedures are
complete&
PROCEDURE 3--INDOOR BLOWER AND MOTOR
For longer ti_, operating economy, and continuing eft_ciency, clean accumulated dirt and grease flora the blower wheel and motor annually.
Z_ WARNING: Disconnect and tag electrical power to the unit before cleaning the blower wheel. Failure to adhere to this
warning could cause serious injury or death,
To clean the blower wheel:
1. Access the blower assembly as %tlows:
a. Remove top access panel
b. Remove 3 screws that hold blower orifice ring to blower housing. Save screws.
c. Loosen setscrew(s) which secure wheel to motor shaft.
2. Remove and clean blower wheel as follows:
a. Lift wheel from housing. When handling and/or cleaning blower wheel, be sure not to disturb balance weights (clips) on blower wheel
vanes.
b. Remove caked-on dirt flora wheel and housing with a brush. Remove tint and/or dirt accumulations from wheel and housing with
vacuum cleaner, using a soft brush attachment. Remove grease and oil with a mild solvent.
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