Regular Dealer Maintenance - Carrier Central Air Conditioner Manual To Operations

failed operation of your unit, CHECK THE FILTER(S) EVERY
3 TO 4 WEEKS. Replace filter(s) when necessary, or clean the
filter(s) if you have the reusable type.
Disposable filters should be replaced by similar, new filters of
the same dimensions.
Reusable, permanent filters should bc washed in a solution of cold
water and mild deteLgent, then rinsed and thoroughly dried. THE
FILTER MUST BE COMPLETELY DRY BEFORE BEING
REINSTALLED. To avoid prolonged shutdown of yota" unit
while a filter is drying, you should have an extra filter on hand.
This allows you to rotate between the two with minimal downtime
tbr your comfort systcm. Extra filtem may be purchased fi'om your
dealer.
There are no filters in the outdoor unit era split-system. If your
indoor unit is a gas or oil furnace, refer to your furnace User's
Manual for filter location and procedures for replacement or
cleaning.
If your system includes an indoor thn coil unit, the filter may be
located ill tile unit where it connects with the return-air duct or
plenum. (See Fig. 5.) Remove 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
fi]tel;
being
certain to secure filter behind lmver flange. When reinstalling
cover plate, secure plate behind upper flange then slide tabs out-
ward.
The indoor fan coil unit may be located in the attic. In this
instance the filter could be Iocated behind the return air grille.
Access the filter by removing two screws fi'ont return air grille.
If your system includes an electronic air cleaner, refer to air
cleaner user's manual for proper filter cleaning or replacement.
INDOOR COIL
If the split-system coil has only been opmated with a clean filter
in place, it should require minimal cleaning.
If coil cleaning is required, call your dealer for service. It may
be necessary to clean tile coil with a dote*gent solution and rinse
it with water: This could require tile removal of the coil. You
should not attempt this yourselfi
OUTDOOR COIL
it'grass clippings, leaves, shrubbery, and debris are kept away
fi'om the outdoor unit, minimal care should be sufficient to keep
the system functioning properly. For propel" drainage, debris
must be removed periodically fi'om the base pan. However, if the
outdom coil becomes dirty, use a vacuum cleaner with soft brash
attachment to clean tire exterior sut:&ee. Vacuum coil surt~ce
using an up and down mofion. Be carelhl not to bend or damage
coil fins.
If dirt is deep in the coil, contact your dealer for service. Tile
outdoor lira motor may have to be disconnected and the top panel
removed to gain access to the coil for thorough cleaning. Do not
attempt this yourself.
OUTDOOR COIL--SEA COAST
lfyour unit is located near the ocean, special nraintenance is
required. Ocean mist!breeze carries salt, which is corrosive m
most metals. Although your new unit is made out of galvanized
metal and is protected by top-grade paint, you should take the
precaution of additinnal mainteuanca which consists ofpcrind-
ieally washing the unit. By washing all exposed surlhccs and coil
approximately every 3 months, you will be adding additional life
to your unit. Consult your installing contractor for proper iutm:-
vals/procedures for your geogeaphie area or service contact.
UNIT SUPPORT
Your spfit~system outdonr unit should be maintained in a level
position. If its support should shift or settle so that the unit is no
longer level, you should correct the condition. Relovel it prompt-
ly to assure tbat water drains out of the unit. If you notice that
water or ice collects beneath the unit, arrange for it to be drained
away from the unit.
BEFOREYOU REQUEST A
SERVICE CALL
CHECK FORTHESE EASILY SOLVED
PROBLEMS:
¯ Check the indoor and outdoor disconnect switches. Vcrii~ that
citvuit breakers am ON or that fuses have not blown.
¯ Check for sufficient airflow. Check the air filter(s) for aw accu-
mulations of dirt. Cfieck for blocked return-air or supply-air
isters. Be sure registers m'e open and unohstmcted.
¯ Check the settings on yore indoor thermostat. If you desire
cooling, make sure that the temperature corm'el selector is set
below morn temperature and the SYSTEM or MODE control is
set to C()OL or AUTO. if you require warmth, make sure that the
temperature control selector is set ahove morn temperature and
the SYSTEM or MODE control is set to HEAT or AUTO. The
FAN control should bc set to ON tbr continuous blower operation
or AUTO if you wish blower to function only while the heating or
cooling equipment is operating.
I fyour comfort system still fails to nperate, turn your system off
and contact your servicing dealer tbr troubleshooting and
repairs. Speoil~, your apparent problem, and state the model and
serial nurnbers of yore" cquipment. (You shouh[ have them
recorded on tire last page of this booklet.)With this information,
your dealer may be able to offer helpful suggestions over the
phone or save valuable time through knowledgeable preparation
for the service call,
REGULAR DEALER MAINTENANCE
In addition to the routine maintenance
that you perform, your home comfort
system sfimdd be inspected regularly
by a properly trained service techni-
cian. The inspectinn (preferably each
yam; but at least cvely other yam)
should include tbe following:
¯ Routine iuspection nf air filter(s). Replacement or cleaning as
required.
¯ Inspection and cleaning of the blower wheel, housiug and
motor.
¯ Inspection and, if required, cleaning of indoor and outdoor
coils.
¯ Inspection of the indoor coil drain pan, plus tile primary and
secondm 3, drain lines. If supplied, the auxiliary drain pan aad line
should be inspected at this time. Service should include cleaning
if required.