Down ................................................................................18
Down .............................................................................. 19
Wiring Harness .....................................................20
Safety Considerations
IMPORTANT NOTE: This unit is designed to meet the NOX
requirement of 14Ng/J maximum as required by the South
Coast Air Quality Management District and the San Joaquin
Valley Air Pollution Control District, both in the State of Cal-
ifornia,and is intended for installation in those districts only.
This unit has a Control System that compensates for certain
installation and environmental conditions. This unit must:
•
Be properly installed, operated, and maintained per
the instructions.
•
Be serviced only by properly trained service
technicians.
This unit is not approved for use with gasses other than
Natural Gas.
Units that are not installed, maintained, or operated properly
may result in "noisy" operation during the heating cycle. If
this unit is making unusual or objectionable noises during
the heating cycle, turn the heat off at the thermostat and
contact a qualified service organization right away.
ment .........................................................................26
Power Up ................................................................28
Heating Mode .........................................................28
Cooling Mode ........................................................28
Fan Only Mode .......................................................29
Primary Limit ..........................................................29
Flame Sensor ........................................................29
Maintenance ..............................................................30
Filters .....................................................................30
Burner ....................................................................31
Servicer Only) .......................................................31
Airflow *MES96*** ..................................................34
Adhere to the following warnings and cautions when install-
ing, adjusting, altering, servicing, or operating the furnace.
To ensure proper installation and operation, thoroughly read
this manual for specifics pertaining to the installation and
application of this product.
This furnace is manufactured for use with natural gas only.
Install this furnace only in a location and position as specified
in LOCATION REQUIREMENTS & CONSIDERATIONS
section and INSTALLATION POSITIONS section of this
manual.
Provide adequate combustion and ventilation air to the fur-
nace as specified in COMBUSTION & VENTILATION AIR
REQUIREMENTS section of this manual.
Combustion products must be discharged to the outdoors.
Connect this furnace to an approved vent system only, as
specified in VENT/FLUE PIPE & COMBUSTION AIR PIPE
section of this manual.