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Fan Shaft Bearings
Lubrication
should
only
be done
by qualified
service
personnel.
Contact
your dealer for the required
annual maintenance.
Evaporator
and Condenser
Coils
Cleaning
of the coils
should
only
be done
by qualified
service
personnel.
This
procedure
should
be performed
prior
to cooling
operation
or more
frequently
should
conditions
require.
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
dealer.
Compressors
All compressors
are factory
shipped
with
a normal
charge
of the
correct
type refrigerant
grade
oil in then] and should
rarely require
additional
oil. Unless
the refrigerant
system
has been opened
or a
compressor
is replaced,
there will not be a need to verify oil level.
Condenser
Fan
PERSONAL
INJURY
HAZARD
Failure
to follow
this warning
could
result in personal
iniury
or death.
Do
not
poke
sticks,
screwdrivers,
or
other
object
into
revolving
fan blades.
The fan nmst
be kept
free of all obstructions
to ensure
proper
cooling.
Contact
your dealer for any required
service,
Electrical
Controls
and Wiring
Electrical
controls
are
difficult
to
check
without
proper
instrumentation;
therefore,
if there
are any discrepancies
in the
operating
cycle, contact
your dealer and request
service.
Integrated
Gas Controller
(IGC)
The IGC board incorporates
an LED
that emits a flashing
light to
indicate
an alarm code. If the furnace
section
will not operate
and
the LED is flashing
a code (1 to 9 flashes
in succession),
contact
your dealer and request
service.
(See Fig. 1.)
Removing
power
to
the unit will erase the IGC fault codes.
Refrigerant
Circuits
The refrigerant
circuits are difficult
to check for leaks without
the
proper
equipment;
therefore,
if inadequate
cooling
is suspected,
contact
your dealer for service.
Combustion
Area and Vent System
The combustion
area and vent system
should be visually
inspected
before each heating
season.
The normal
accumulation
of dirt, soot,
rust,
and
scale
can
result
in loss
of efficiency
and
improper
3erformance
if allowed
to build up.
FIRE
HAZARD
Failure
to follow
this warning
could
result in personal
injury,
death, and/or property
damage.
If your unit makes
and especially
loud
noise when
the main
burners
are ignited,
shut down
the heating
section
and call
your dealer.
See Fig. 1 and proceed
as follows
to inspect
the combustion
area
and power-venting
system
of your unit.
1. Turn
off electrical
power
(install
disconnect
tag) and gas
supply to your unit.
2. Remove
burner
compartment
access panel.
3. Using a flashlight,
carefully
inspect the burner
areas for dirt,
soot, or scale.
EQUIPMENT
DAMAGE
HAZARD
Failure to follow this caution
may result in damage
to unit.
If dirt, soot, rust or scale accunmlations
are found,
call your
dealer and do not operate
your heating
section.
4. When
you
have
completed
your
inspection,
follow
the
start-up
procedures
in this manual
to restore
your
unit to
operation.
5. Observe
unit heating
operation,
and watch the burner
flame
with
the access panel removed
to see if it is bright
blue. If
you
observe
a suspected
malfunction,
or that
the burner
flames
are not bright
blue, call your
dealer.
(See Fig. 7.)
Some yellow
flame may be present
due to the panel being
removed.
6. Replace
burner
compartment
access panel.
BURNER
FLAME TIP
FLAME CORE
C07353
Fig. 7 - Proper
Flame
Appearance
Unit Panels
After perfornfing
any maintenance
or service
on the unit,
be sure
all panels
are securely
fastened
in place
to prevent
rain
from
entering
unit cabinet
and to prevent
disruption
of the correct
unit
airflow pattern.
REGULAR
DEALER
MAINTENANCE
In addition
to the type of routine maintenance
you nfight 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
burners,
combustion
baffles,
heat exchanger,
flue collector
box, and vent pipe.
2. Inspection
of
all
combustion-air
and
ventilation-air
passages
and openings.
3. Close inspection
of all gas pipes leading
to and inside your
unit.
4. Inspection,
and if required,
cleaning
of the condenser
and
evaporator
coils.
5. Inspection,
and if required,
cleaning
of the evaporator
drain
pan.
6. Inspection,
cleaning,
and
lubrication
of
blower
wheel
housing
and motor.
7. Inspection
of all supply-air
and return-air
ducts for leaks,
obstructions,
and insulation
integrity.
Any
problems
found
should be resolved
at this time.
8. Inspection
of the unit base to ensure
that no cracks,
gaps,
etc., exist which
may cause
a hazardous
condition.
9. Inspection
of the unit casing for signs of deterioration.
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