Burner Flame - Lennox G24M SERIES User's Information Manual

UPFLOW FURNACE
BOTTOM RETURN AIR
FIGURE 4
UPFLOW FURNACE
SIDE RETURN AIR
FIGURE 5
DOWNFLOW FURNACE
FILTERS IN PLENUM RACK
Blower
Check and clean blower wheel for any debris. Blower mo-
tor is prelubricated for extended bearing life. No further lu-
brication is needed.
WARNING
Blower door must be securely in place when blower
and burners are operating. Gas fumes, which could
contain carbon monoxide, can be drawn into living
space resulting in personal injury or death.

Burner Flame

The G24M burner flame is not adjustable; however, the
flame should be inspected at the beginning of each heat-
ing season and burners should be cleaned, if necessary.
Burner flame should be blue when burning natural gas,
blue/yellow when burning propane gas.
BURNER FLAME
FLAME APPEARS BLUE IF
BURNING NAT. GAS; BLUE/
YELLOW FOR PROPANE.
FIGURE 6
EXCHANGER
VEST
PANEL
FIGURE 7
HEAT
TUBE