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Table 13 – Cleaning and Maintenance Schedule
TASK MONTHLY QUARTERLY YEARLY
INDOOR UNIT
Clean Air Filters X
Clean Drain Pipe X
Clean CondensateDrain Pan X
Clean IndoorCoil X
Clean IndoorUnitFrontPanel X
OUTDOOR UNIT
Clean the Fins FromOutside X
Open the Unit and Clean Fins Inside X
Remove DustFrom ElectricalParts X
Check ElectricalConnections are Tight X
Clean Outdoor Fan X
Clean Outdoor Coil X
Check that Outdoor Fan Assembly isTight X
Clean Drain Pan X
NOTE: Maintenance proceduresfor the outdoor unitsare in the individual unit installationinstructions.
CLEAN INDOOR UNIT BOTTOM PANEL — If the bottom
panel of the unit becomes dirty or smudged, wipe the outside of the
panel with a soft dry cloth. Use a mild liquid detergent and wipe
off carefully with a dry cloth.
CLEAN INDOOR COIL — To clean the coil, remove indoor
unit bottom panel and vacuum the coil fins, using care not to bend
or damage fins.
CLEAN OUTDOOR COIL (Outdoor Unit)
CUT HAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges or burrs. Use care and
wear appropriate protective clothing and gloves when
cleaning. Clean coil carefully.
CAUTION
!
To clean the outdoor coil:
1. Remove any dirt or obstruction from discharge opening.
2. Use a garden hose to spray water on the coil. Debris that
collects between coil fins inhibits heat transfer — direct the
water spray between coil fins to flush out debris.
CLEAN CONDENSATE DRAINS — Clean all drains and drain
pans at the start of each cooling season. Check the flow by pouring
water into the drain.
To clean or replace drain pan:
1. Place a plastic sheet on the floor to catch any water that may
spill from drain pan.
2. Remove the intake grille and distribution assembly (at-
tached).
3. Remove the condensate water in the drain pan by letting
water drain into a 3--gallon bucket.
CAUTION
!
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment
damage.
Do not use a screwdriver to pry drain pan out of assembly
-- it could damage the pan.
4. Remove the 4 screws holding the drain pan.
5. Carefully hold the drain pan to remove it from the assembly.
SERVICE
!
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury
or death.
Before servicing system, main electrical disconnect switch
must be in the OFF position. There may be more than 1
disconnect switch. Lock out and tag switch with a suitable
warning label.
CAUTION
!
ENVIRONMENTAL HAZARD
Failure to follow this caution may result in environmental
damage.
Federal regulations require that you do not vent refrigerant to
the atmosphere. Recover during system repair or final unit
disposal.
A09539
Fig. 32 -- Cleaning Filters
40QAC/38HDR -- 40QAQ/38QR
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