17
PACKAGE UNITS
- HEAT PUMP AND AC UNITS
HOMEOWNER’S ROUTINE MAINTENANCE RECOMMENDATIONS
We strongly recommend a bi-annual maintenance checkup be performed by a
qualified service agency
before the heating and cooling seasons begin.
R
EPLACE
OR
C
LEAN
F
ILTER
IMPORTANT NOTE:
Never operate unit without a filter in-
stalled as dust and lint will build up on internal parts result-
ing in loss of efficiency, equipment damage and possible
fire.
A return air filter is not supplied with this unit; however,
there must be a means of filtering the return air. An indoor
air filter must be used with your comfort system. A prop-
erly maintained filter will keep the indoor coil of your com-
fort system clean. A dirty coil could cause poor operation
and/or severe equipment damage.
The installer of your unit can tell you where your filter(s)
are and how to clean or replace them.
Check your return filter(s) at least once every two
months. When they are dirty, replace or clean as re-
quired. Disposable type filters should be replaced. Reus-
able type filters may be cleaned.
NOTE:
Reusable type filters should be washed with warm
water, dried completely and sprayed with an adhesive
according to the manufacturers recommendations.
You may want to ask your dealer about high efficiency fil-
ters. High efficiency filters are available in both electronic
and non-electronic types. These filters can do a better job
of catching small airborne particles.
Improper filter maintenance is the most common cause of
inadequate heating or cooling performance. Filters should
be cleaned (permanent) or replaced (disposable) every two
months or as required. When replacing a filter, it must be
replaced with a filter of the same type and size and always
make certain the air flow arrows on the filter point in the
proper direction.
C
ONDENSER
AND
E
VAPORATOR
M
OTORS
The bearings on the air circulating blower motor and con-
denser motor are permanently lubricated and require no fur-
ther lubrication.
C
OMPRESSOR
The compressor motor is hermetically sealed and does not
require additional oiling.
A
LUMINUM
I
NDOOR
C
OIL
C
LEANING
(Q
UALIFIED
S
ERVICER
O
NLY
)
This unit is equipped with an aluminum tube evaporator
coil. The safest way to clean the evaporator coil is to sim-
ply flush the coil with water. This cleaning practice remains
as the recommended cleaning method for both copper tube
and aluminum tube residential cooling coils.
An alternate cleaning method is to use one of the products
listed in the technical publication
TP-109
(shipped in the
literature bag with the unit)
to clean the coils. The clean-
ers listed are the only agents deemed safe and approved for
use to clean round tube aluminum coils. TP-109 is available
on the web site in Partner Link > Service Toolkit.
NOTE:
Ensure coils are rinsed well after use of any chemi-
cal cleaners.
A
NNUAL
I
NSPECTION
(Q
UALIFIED
S
ERVICER
O
NLY
)
Your package unit should be inspected by a qualified in-
staller, or service agency at least twice every year. This
check should be performed before the heating and cooling
seasons begin. This will ensure that the system is perform-
ing properly and safely. Repair as necessary.
• Check physical support of the unit. Ensure it is sound
without any sagging, cracks, or gaps, around the base.
• Check for obvious signs of deterioration of the unit.
• Check both condenser and evaporator coil to make sure
each are clean.
• Return Air Connection. Check for physical soundness
and ensure that the connection is firmly sealed to the
package unit casing.
• Wiring. Check wires for damage. Check electrical
connections for tightness and/or corrosion.
• Filters. Check that filters are clean and in the proper
placement in the unit or duct system.
• Louvers. Inspect air inlet louvers inside the heat
exchanger compartments. Ensure the area is clean and
free of dirt and debris.
B
EFORE
C
ALLING
Y
OUR
S
ERVICER
• Check the thermostat to confirm that it is properly set.
• Check the disconnect switch near the unit to confirm
that it is closed.
• Check the electrical panel for tripped circuit breakers
or failed fuses . Reset the circuit breakers or replace
fuses as necessary.
• Check for block
age of the indoor air inlets and outlets.
Confirm that they are open and have not been blocked by
objects (rugs, curtains or furniture).
• Check for obstructions on the unit . Confirm that it
has not been covered on the sides or the top. Remove
any obstruction that can be safely removed. If the unit
is covered with dirt or debris, call a qualified servicer to
clean it.
• Check the filter. If it is dirty, clean or replace it.
