Lennox 80MGF Series Manual page 8

SURELIGHT
IGNITOR
BURNER BOX
TOP
UPPER
BURNER
MOUNTING
RAIL
LOWER
BURNER
MOUNTING
RAIL
FLAME
SENSOR
ORIFICE
MANIFOLD
7
3
80MGF BURNER ASSEMBLY
(Shown With SureLight ignitor)
ROLLOUT
SWITCHES
80MGF BLOWER DOOR COMPONENTS − BLOWER ACCESS
(SureLight MODEL SHOWN)
4
VEST PANEL
BURNER
GAS VALVE
BURNER BOX
FIGURE 3
To Access Blower:
1− Turn off power to unit and disconnect L1 and L2
line voltage power.
2− Disconnect thermostat wiring connections
from furnace control board.
3− Disconnect blower leads from control board.
4− Disconnect J1 from P1.
5− Disconnect 6 pin P156 from control board.
6− Disconnect 9 pin P58 from control board.
7− Disconnect sensor wiire from center of board.
8− Remove screws (2) and lift panel from unit.
5
6
2
1
FIGURE 4
Page 8
HEAT EXCHANGER
PRIMARY LIMIT
Left
Front
Bottom
Top
8
Back
Left
Bottom
Top
Back
Right
Right
Front