GM9S80 Service Manual

SCHEDULED MAINTENANCE
25



-










service agency at least once per year. This check should be
performed at the beginning of the heating season. This will
ensure that all furnace components are in proper working or-
der and that the heating system functions appropriately. Pay
particular attention to the following items. Repair or service
as necessary.
Flue pipe system. Check for blockage and/or leakage.
Check the outside termination and the connections at
and internal to the furnace.
Combustion air intake pipe system (where applicable).
Check for blockage and/or leakage. Check the outside
termination and the connection at the furnace.
      

  

Drainage system. Check for blockage and/or leakage.
Check hose connections at and internal to furnace.
Wiring. Check electrical connections for tightness and/
or corrosion. Check wires for damage.
Filters.



-

Filters must be used with this furnace. Filters do not ship
with these furnaces but must be provided by the installer for
proper furnace operation.

inadequate heating or cooling performance.


-
-




 
inadequate heating or cooling performance. Filters should
be cleaned (permanent) or replaced (disposable) every two
months or as required. It is the owner’s responsibility to keep



  󰀨 
can be applied. Filters can be installed in the central re-

          


Product Design section of this
manual or the product Specication Sheet must be followed
to ensure proper unit performance. Refer to the following




Follow the manufacturer’s directions for service.

-

1. 󰀨
2. Remove access door in ductwork above furnace.
3. 
4. Remove blower compartment door. Vacuum compart-
ment. Replace blower compartment door.
5. 
6. Replace access door in ductwork.

Filters in horizontal installations are located in the central
return register.