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failed operation of your unit, CHECK THE FILTER(S) EVERY
3 TO 4 WEEKS. Replace filter(s) when necessary, or clean tl_e
filter(s) if you have tl_e reusable type.
Disposable filters should be replaced by similar, new filters of
the same dilnensions.
Reusable, perlnanent filters should be washed in a solution of cold
water and mild detergent, then rinsed and thoroughly dried. THE
FILTER MUST BE COMPLETELY DRY BEFORE BEING
REINSTALLED. To avoid prolonged shutdown of your unit
while a filter is drying, you should have an extra filter on hand.
This allows you to rotate between the two with lninilnal downtilne
for your colnfort system. Extra filters may be purchased from your
dealer.
There are no filters in the omdoor unit of a split-system. If your
indoor unit is a gas or oil fimmce, refer to your fimmce User's
Mamml for filter location and procedures for replacelnent or
cleaning.
If your system includes an indoor Pancoil unit, the filter lnay be
located in the unit where it com_ects with tl_e return-air duct or
plenuln. (See Fig. 5.) Relnove the filter cover plate by sliding
latches toward center of plate. Lift filter to clear lower flange.
Filter is spring-loaded and will pop out. Reinstall filter, being
certain to secure filter behind lower flange. When reinstalling
cover plate, secure plate behind upper flange then slide tabs out-
ward.
The indoor fan coil unit may be located in tl_e attic. In this
instance tl_e filter could be located behind the return air grille.
Access tl_efilter by relnoving two screws froln return air grille.
If your system includes an electronic air cleaner, refer to air
cleaner user's mamml for proper filter cleaning or replacelnent.
INDOOR COIL
It'the split-system coil has only been operated witl_ a clean filter
in place, it should require minimal cleaning.
If coil cleaning is required, call your dealer for selwice. It may
be necessary to clean the coil with a detergent solution and rinse
it witl_ water. This could require tl_erelnoval of tl_e coil. You
should not attempt this yourself
OUTDOOR COIL
It"grass clippings, leaves, shrubbery, and debris are kept away
froln the outdoor unit, lninilnal care should be su_cient to keep
the system fimctioning properly. For proper drainage, debris
lnUStbe relnoved periodically froln tlaebase pan. However, if the
outdoor coil becomes dirty, use a vacuuln cleaner witla soft brush
attachlnent to clean the exterior surPace. _acuum coil surface
using an up and down motion. Be carefitl not m bend or damage
coil fins.
If dirt is deep in the coil, contact your dealer for service. The
outdoor tan lnotor may have to be disconnected and the top panel
relnoved to gain access to tl_ecoil for tl_orough cleaning. Do not
attempt this yourselt_
OUTDOOR COILmSEA COAST
If your unit is located near the ocean, special lnaintenance is
required. Ocean mist/breeze carries salt, which is corrosive to
llaOStmetals. Although your new unit is made out of galvanized
metal and is protected by rap-grade paint, you should take tlae
precaution of additional lnaintenance which consists of period-
ically washing the unit. By washing all exposed surlhces and coil
approxilnately every 3 lnonths, you will be adding additional life
to your unit. Consult your installing contractor for proper inter-
vals/procedures for your geographic area or selwice contact.
UNIT SUPPORT
Your split-system outdoor unit should be lnaintained in a level
position. If its support should shift or settle so tlmt tlaeunit is no
longer level, you should correct tlaecondition. Relevel it prolnpt-
ly to assure tlmt water drains out of tlae unit. If you notice that
water or ice collects beneatla the unit, arrange for it to be drained
away from tlae unit.
BEFOREYOU REQUEST A
SERVICE CALL
CHECK FOR THESE EASILY SOLVED
PROBLEMS:
• Check the indoor and outdoor discom_ect switches. Veri_ that
circuit breakers are ON or tlmt filses have not blown.
• Check for sufficient airflow. Check the air filter(s) for any accu-
lnulations of dirt. Check for blocked return-air or supply-air reg-
isters. Be sure registers are open and unobstructed.
• Check the settings on your indoor therlnostat. If you desire
cooling, lnake sure that the temperature ccmtrol selector is set
below room telnperature and the SYSTEM or MODE control is
set to COOL orAUTO. If you require warlnth, lnake sure that the
telnperature control selector is set above rooln telnperature and
the SYSTEM or MODE control is set to HEAT or AUTO. The
FAN control should be set to ON for continuous blower operation
or AUTO if you wish blower m fimction only while the heating or
cooling equiplnent is operating.
If your colnfort system still fails to operate, turn your system off
and contact your selvicing dealer for mmbleshooting and
repairs. Specify your apparent probleln, and state tl_elnodel and
serial nulnbers of your equiplnent. (You should have thein
recorded on the last page of tl_isbooldet.) With this inforlnation,
your dealer may be able to oiler helpfitl suggestions over tl_e
phone or save vahmble time through kamwledgeable preparation
for tl_e selwice call.
REGULAR DEALER MAINTENANCE
In addition to tl_eromine lnaintenance
tlmt you perforln, your home COlnfort
system should be inspected regularly
by a properly trained selwice techni-
cian. The inspection (preferably each
year, but at least every otl_eryear)
should include the following:
• Routine inspection of air filter(s). Replacelnent or cleaning as
required.
• Inspection and cleaning oftlae blower wheel, housing, and
lllOtOr.
• Inspection and, if required, cleaning of indoor and omdoor
coils.
• Inspection of the indoor coil drain pan, plus the primary and
secondary drain lines. If supplied, the auxiliary drain pan and line
should be inspected at this time. Selwice should include cleaning
if required.
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