Installation Manual
40
1 flash, then pause System lockout
2 flashes, then pause Pressure switch stuck closed
3 flashes, then pause Pressure switch stuck open
4 flashes, then pause Open limit switch
5 flashes, then pause
6 flashes, then pause Open rollout switch / open control board fuse
7 flashes, then pause Low flame sense signal
8 flashes, then pause Ig ni ter relay fault
Continuous flashing
Control fai lure
ON Normal operation
season. Turn on the furnace at the thermostat and allow several
The bearings in the induced draft blower and circulator blow-
er motors are permanently lubricated by the manufacturer.
No further lubrication is required. Check motor windings for
accumulation of dust which may cause overheating. Clean as
necessary.
drain line for proper condensate drainage. Check drain system
for hose connection tightness, blockage, and leaks. Clean or
repair as necessary.
Under some conditions, the fuel or air supply can create a nearly
the beginning of each heating season.
• Cycle the furnace with the thermostat at least three
• Review the Owner’s Manual with the homeowner and
discuss proper furnace operation and maintenance.
• Leave literature packet near furnace.
•
sure to provide the furnace model, manufacturing,
and serial numbers with the order.
• Although only functional parts are shown in the parts
list, all sheet metal parts, doors, etc. may be ordered
by description.
• Parts are available from your distributor.
Natural Gas Orifice Blower Mounting Bracket
Igniter Blower Housing
Primary Limit Switch Auxiliary Limit Switch
Heat Exchanger with Recuperator Coil