22
Table13 – Cleaning and MaintenanceSchedule
TASK MONTHLY QUARTERLY YEARLY
INDOORUNIT
CleanAir Filters X
CleanDrain Pipe X
CleanCondensate DrainPan X
CleanIndoor Coil X
CleanIndoor Unit FrontPanel X
OUTDOORUNIT
Cleanthe Fins FromOutside X
Openthe Unitand Cl ean Fins Inside X
RemoveDust From ElectricalParts X
CheckElectrical Connections are Tight X
CleanOutdoor Fan X
CleanOutdoor Coil X
Checkthat OutdoorFan Assembly is Tight X
CleanDrain Pan X
NOTE: Maintenance proceduresfor the outdoor units are in the individualunit installationinstructions.
CLEAN INDOOR UNIT BOTTOM PANEL— If the bottom
panelof the unit becomesdirty or smudged, wipe the outside of the
panelwith a soft dry cloth. Use a mildliquid detergent and wipe
offcarefu lly with ad ry cloth.
CLEAN INDOOR COIL — To clean the coil,remove indoor
unitbottom panel and vacuum the coil fins,using care not to bend
ordamage fins.
CLEANOUTDOOR COIL (Outdoor Unit)
CUTHAZARD
Failure to follow this caution may result in personal injury.
Sheet metal parts may have sharp edges o r burrs. Use care and
wear appropriate protective clothing and gloves when
cleaning. Clean coil carefully.
CAUTION
!

Toclean the outdoor coil:

1. Remove any dirt or obstructionfrom discharge opening.
2. Use a garden hose tospray water on the coil. Debris that
collects between coil fins inhibits heat tran sfer — direct the
waterspray betweencoil fins to flush out debris.
CLEAN CONDENSATEDRAINS — Clean all drains and drain
pans at the starto feach co oling season. Check the flow by pouring
waterinto the drain.

Toclean or replace drain pan:

1. Place a plastic sh eet 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 condensatewater in the drain pan by letting
water drain into a 3--gallonbuck et.
CAUTION
!
UNITDAMAGE HAZARD
Failure to follow this caution may result in equipment
damage.
Donot use a screwdriverto pry drain pan out of assembly
--it coulddamage the pan.
4. Remove the 4 screwsholding the drain pan.
5. Carefullyhold the drain pan to removeit from the assembly.
SERVICE
!WARNING
ELECTRICALSHOCK HAZARD
Failureto follow this warningcould result in personalinjury
ordeath.
Before servicing system, main electrical disconnect switch
must be in the OFF position. Theremay be more than 1
disconnectswitch. Lock out and tag switch with a suitable
warning label.
CAUTION
!
ENVIRONMENTALHAZARD
Failure to follow this caution may result in env ironmental
damage.
Federalregulations requirethat you do not vent refrigerant to
the atmosphere. Recoverduring system repair or final unit
disposal.
A09539
Fig. 32 -- Cleaning Filters
40QAC/38HDR -- 40QAQ/38QR
R