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506510−01
Outdoor Coil
The outdoor unit must be properly maintained to ensure its
proper operation.
S Please contact your dealer to schedule proper
inspection and maintenance for your equipment.
S Make sure no obstructions restrict airflow to the
outdoor unit.
S Grass clippings, leaves, or shrubs crowding the unit
can cause the unit to work harder and use more
energy.
S Keep shrubbery trimmed away from the unit and
periodically check for debris which collects around the
unit.
Routine Maintenance
In order to ensure peak performance, your system must be
properly maintained. Clogged filters and blocked airflow
prevent your unit from operating at its most efficient level.
1. Air Filter Ċ Ask your Lennox dealer to show you
where your indoor unit’s filter is located. It will be either
at the indoor unit (installed internal or external to the
cabinet) or behind a return air grille in the wall or
ceiling. Check the filter monthly and clean or replace
it as needed.
2. Disposable Filter Ċ Disposable filters should be
replaced with a filter of the same type and size.
NOTE Ċ If you are unsure about the filter required for your
system, call your Lennox dealer for assistance.
3. Reusable Filter Ċ Many indoor units are equipped
with reusable foam filters. Clean foam filters with a
mild soap and water solution; rinse thoroughly; allow
filter to dry completely before returning it to the unit or
grille.
NOTE Ċ The filter and all access panels must be in place
any time the unit is in operation.
4. Electronic Air Cleaner Ċ Some systems are
equipped with an electronic air cleaner, designed to
remove airborne particles from the air passing through
the cleaner. If your system is so equipped, ask your
dealer for maintenance instructions.
5. Indoor Unit Ċ The indoor unit’s evaporator coil is
equipped with a drain pan to collect condensate
formed as your system removes humidity from the
inside air. Have your dealer show you the location of
the drain line and how to check for obstructions. (This
would also apply to an auxiliary drain, if installed.)
Thermostat Operation
See the ComfortSense
®
7000 thermostat homeowner
manual for instructions on how to operate your thermostat.
Preservice Check
If your system fails to operate, check the following before
calling for service:
S Verify room thermostat settings are correct.
S Verify that all electrical disconnect switches are ON.
S Check for any blown fuses or tripped circuit breakers.
S Verify unit access panels are in place.
S Verify air filter is clean.
S If service is needed, locate and write down the unit
model number and have it handy before calling.
Accessories
For update−to−date information, see any of the following
publications:
S Lennox XC17 Engineering Handbook
S Lennox Product Catalog
S Lennox Price Book
WARNING
This product and/or the indoor unit it is matched with may
contain fiberglass wool.
Disturbing the insulation during installation,
maintenance, or repair will expose you to fiberglass wool
dust. Breathing this may cause lung cancer. (Fiberglass
wool is known to the State of California to cause cancer.)
Fiberglass wool may also cause respiratory, skin, and
eye irritation.
To reduce exposure to this substance or for further
information, consult material safety data sheets
available from address shown below, or contact your
supervisor.
Lennox Industries Inc.
P.O. Box 799900
Dallas, TX 75379−9900
XC17 Start−Up and Performance Checklist
Customer Address
Indoor Unit Model Serial
Outdoor Unit Model Serial
Notes:
START UP CHECKS
Refrigerant Type:
Rated Load Amps Actual Amps Rated Volts Actual Volts
Condenser Fan Full Load Amps Actual Amps:
COOLING MODE