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Fans and Fan Motors
Periodically
check the condition
of fan wheels and housings
and fan
motor shaft bearings.
Contact
your dealer for the required
annual
maintenance.
Heat ExchanRer
To ensure dependable
and efficient
heating
operation,
the heat ex-
changer
should be checked
by a qualified
maintenance
person be-
fore each heating
season,
and cleaned
when necessary.
This check-
out should
not be attempted
by anyone
not having
the required
expertise
and equipment
to properly
do the job. Contact your dealer
for the required
periodic
maintenance.
Indoor and Outdoor
Coils
Cleaning
of the coils should only be done by qualified
service per-
sonnel.
Contact your dealer for the required
annual maintenance.
Condensate
Drain
The drain pan and condensate
drain line should
be checked
and
cleaned
at the same time the cooling
coils are checked by your deal-
er.
Compressor
All compressors are factory shipped with a normal charge of the cor-
rect type of refrigeration grade oil. A compressor should rarely re-
quire additional oil.
Condenser
(Outdoor)
Fan
PERSONAL
INJURY
AND UNIT
DAMAGE
HAZARD
Failure to follow this warning
could result in personal injury,
death or property
damage.
Do not insert sticks, screwdrivers,
or any other objects
into
revolving
fan blades.
The fan must be kept free of all obstructions
to ensure proper
cool-
ing. Contact your dealer for any required
service.
Electrical
Controls
and Wirin_
Electrical
controls
are difficult
to check without
proper instrumenta-
tion. If there are any discrepancies
in the operating
cycle, contact
your local dealer and request
service.
Refrigerant
Circuit
The refrigerant
circuit is difficult to check for leaks without
the prop-
er equipment.
If inadequate
cooling
is suspected,
contact your local
dealer for service.
EXPLOSION
AND ENVIRONMENTAL
HAZARD
Failure to follow this warning
could result in personal injury,
death or property
damage.
System
under
pressure.
Relieve
pressure
and recover
all
refrigerant
before system
repair or final unit disposal.
Use all
service
ports
and open
all flow-control
devices,
including
solenoid
valves.
Unit Panels
After performing
any maintenance
or service on the unit, be sure all
panels are fastened
securely
in place to prevent
rain from entering
unit cabinet and to prevent disruption
of the correct unit airflow pat-
tern.
Combustion
Area and Vent System
For proper and safe operation,
the furnace needs air for combustion
and ventilation.
The air openings,
on the furnace,
the air openings
to the area in which the furnace is installed,
and the spacing
around
the furnace must not be blocked
or obstructed.
The combustion
area and vent system should be inspected
visually
before each heating
season.
The normal accumulation
of dirt, soot,
rust, and scale can result in loss of efficiency
and improper
perform-
ance if allowed
to build
up. This inspection
should be done by a
trained service person.
FIRE,
EXPLOSION
HAZARD
Failure to follow this warning
could result
in personal injury,
death and/or property
damage.
If your unit makes
an especially
loud noise when
the main
burners
are ignited,
shut down
the heating
section
and call
your dealer.
BURN
HAZARD
Failure
to follow this caution
may result in personal
injury.
Components
in heating
section may be hot after unit has been
started up. When observing
flame, be careful not to get close
to or touch heating
components.
Regular
Dealer Maintenance
In addition
to the type of routine maintenance
you might be willing
to perform,
your unit should be inspected
regularly
by a properly
trained service technician.
An inspection
(preferably
each year, but
at least every other year) should include
the following:
1,
Inspection
of all flue product
passages-including
the burn-
ers, heat exchanger,
and flue collector
box, Mare sure the
burner flames are blue in color and in proper adjustment.
Re-
fer to Fig. 8 for burner
flame.
2. Inspection
of all combustion-and
ventilation-air
passages
and openings.
3. Closeinspectionofallgaspipesleadingto
andinsideofyour
unit.
4. Inspection
and, if required,
cleaning
of the outdoor
and
indoor
coils.
5. Inspection
and, if required,
cleaning
of the indoor
coil con-
densate
drain pan.
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