Bryant OM11-19 - Manual (Page 6)

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See Fig. 1 and 5 and proceed as follows to inspect the
combustion area and venting system of your unit.
1. Turn off gas supply to your unit.
2. Turn off electrical power to your unit. Install lockout
tag on disconnect.
3. Remove compressor and burner access panels.
4. Using a flashlight, carefully inspect the burner areas
for dirt, soot, rust, or scale.
5. When you have completed your inspection, follow the
start-up procedures in this manual to restore your
unit to operation.
6. Observe unit heating operation.
Watch the burner flame to see if it is bright blue. If
you observe a suspected malfunction or that the
burner flame is not bright blue, call your dealer.
7. Turn off unit gas supply and electrical power.
8. Replace compressor and burner access panels.
XI. UNIT PANELS
After performing 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 might be
willing to perform, your unit should be inspected regularly
by a properly trained and qualified 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, heat exchanger, and flue collector box.
2. Inspection of all combustion- and ventilation-air pas-
sages 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 conden-
sate drain pan and trap.
6. Inspection and cleaning of blower wheel housing and
motor.
7. Inspection of all supply- and return-air ducts for leaks,
obstructions, and insulation integrity. Any problems
found should be resolved at time of inspection.
8. Inspection of the unit base for cracks, gaps, etc.,
which may cause a hazardous condition.
9. Inspection of the unit casing for signs of deterioration.
10. Inspection of all electrical wiring and components to
ensure proper connection.
11. Inspection for leaks in the refrigerant circuit. Pressure-
check to determine appropriate refrigerant charge.
12. Inspection and cleaning of fan wheels and housings,
belt tension, and fan motor and shaft bearings.
13. Operational check of the unit to determine working
conditions. Repair or adjustment should be made at
the time of inspection.
Your servicing dealer may offer an economical service
contract that covers seasonal inspections. Ask for fur-
ther details.
Complete service instructions can be found in the base unit
Installation, Start-Up and Service Instructions.
CAUTION: If dirt, soot, rust, or scale accumula-
tions are found, call your dealer and do not operate
your heating section.
WARNING: Components in heating section may be
hot after unit has been started. When observing flame,
be careful not to get close to or touch heating compo-
nents. Serious personal injury could result.
Fig. 5 — Typical Heat Section Detail