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The indoor fan coil unit may be located in the attic. In this
instance the filter may be located behind the return air grille.
Access the filter by removing the return air grille.
If your system includes a high efficiency or electronic air
cleaner, refer to air cleaner User's Manual for proper filter
cleaning or replacement.
promptly to assure water drains out of the unit. If you notice
that water or ice collects beneath the unit, arrange t\)r it to be
drained away from the unit.
Heat pumps installed in snowbelt areas should be elevated with
support feet or a snow stand.
Fig. 5--Removing Filter from Fan Coil Unit
INDOOR COIL
If the indoor coil hits only been operated with a clean filter ill
place, it should require minimal cleaning.
If coil cleaning is required, call your dealer for service. It may
be necessary to clean the coil with a detergent solution and
rinse it with water. This could require the removal of the coil.
You should not attempt this yourself.
OUTDOOR COIL
It"grass clippings, leaves, shrubbery, and debris are kept away
from the outdoor unit, minimal care should be sufficient to
keep the system functioning properly. For proper drainage,
debris must be removed periodically from the base pan. How-
ever. if the outdoor coil becomes dirty, use a vacuum cleaner
or shop vac with soft brush attachment to clean the exterior
surface. Vacuum coil surface using an up and down motion. Be
careful not to bend or damage fins.
If dirt is deep in the coil, contact your dealer for service. The
outdoor fan motor may have to be disconnected and the top
panel removed to gain access to the coil t\_r thorough cleaning.
Do not attempt this yourself.
OUTDOOR COILmSEA COAST
It yonr nnit is located near the ocean, special maintenance is
required. Ocean mist/breeze carries salt, which is corrosive to
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 additional maintenance which consists of peri-
odically washing the unit. By washing all exposed surfaces and
coil, you will be adding additional life to your unit. Please con-
sult your installing contractor t\w proper intervals/procedures
t\_r your geographic area or service contact.
UNIT SUPPORT
Your split-system outdoor nuit shonld be maintained at a level
position. If its support should shift or settle so that the unit is
no longer level, you should correct the condition. Relevel it
BEFORE YOU REQUEST A
SERVICE CALL
CHECK FOR THESE EASILY SOLVED
PROBLEMS:
• Check the indoor and outdoor disconnect switches. Verity
that circuit breakers are ON or that fnses have not blown.
• Check t\_r sufficient airflow. Check the air filter(s) t\_r any
accumulations of dirt. Check t\_r blocked return-air or supply-
air registers. Be sure registers are open and unobstl-ucted.
• Check the settings on your indoor thermostat. If you desire
cooling, make sure that the temperature control selector is set
below room temperature and the SYSTEM or MODE control
is set to COOL or AUTO. If you require warmth, make sure
that the temperature control selector is set above room temper-
ature and the SYSTEM or MODE control is set to HEAT or
AUTO. The FAN control should be set to ON t\_r continuous
blower operation orAUTO if you wish blower to fnnction only
while your heat pump is operating.
• Check note concerning special features and time delays in
"Operating Your Heat Pump" section.
If your comt\_rt system still fails to operate, turn your system
off and contact your servicing dealer t\)r troubleshooting and
repairs. Specify your apparent problem, and state the model
and serial numbers of your equipment. (You should have them
recorded on the last page of this booklet.) With this int\wma-
tion, your dealer may be able to offer helpfnl suggestions over
the phone or save valuable time through knowledgeable prep-
aration t\w the service call.
REGULAR DEALER
MAINTENANCE
In addition to the routine mainte-
nance that you perff_rm, your home
comfort system should be inspect-
ed regularly by a properly trained
service technician. The inspection
(preferably twice each year. but at
least once every year) should
include the ff_llowing:
• Routine inspection of air filter(s). Replacement or cleaning
as required.
• Inspection and cleaning of the blower wheel, housing, and
motor as required.
• Inspection and, ifrequired, cleaning of indexerand outdoor 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. Service should include
cleaning if required.
• A check of all electrical wiring and connections.
• A check t\w secure physical connections of individual com-
ponents within units.
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