Burner Flame - Lennox LGH036 User's Information Manual

WHITE RODGERS 36J54 GAS VALVE
Two-Stage
MANIFOLD
PRESSURE TAP
INLET
PRESSURE
TAP
GAS VALVE SWITCH SHOWN IN OFF POSITION.
FIGURE 2
WHITE RODGERS 36H54 GAS VALVE
Two-Stage
INLET
PRESSURE
TAP
GAS VALVE SWITCH SHOWN IN ON POSITION.
FIGURE 3
HONEYWELL VR8305Q SERIES GAS VALVE
HIGH FIRE
LOW FIRE
ADJUSTMENT
ADJUSTMENT
INLET
PRESSURE
TAP
GAS VALVE KNOB IS SHOWN IN OFF POSITION.
FIGURE 4
HIGH FIRE
ADJUSTMENT
LOW FIRE
ADJUSTMENT
MANIFOLD
PRESSURE
TAP
HIGH FIRE
ADJUSTMENT
LOW FIRE
ADJUSTMENT
MANIFOLD
PRESSURE
TAP
7 - Turn gas valve switch to ON. See Figure 1, Figure
2, or Figure 3. On Honeywell VR8305Q gas valves,
turn knob on gas valve counterclockwise
Do not force. See Figure 4.
8 - Close or replace the heat section access panel.
9 - Turn on all electrical power to appliance.
10 - Set thermostat to desired setting.
NOTE - When unit is initially started, steps 1 through 9
may need to be repeated to purge air from gas line.
11 - The ignition sequence will start.
12 - If the appliance does not light the first time (gas
line not fully purged), it will attempt up to two more
ignitions before locking out.
13 - If lockout occurs, repeat steps 1 through 10.
14 - If the appliance will not operate, follow the
instructions "Turning Off Gas to Appliance" and call
your service technician or gas supplier.
Turning Off Gas to Unit
1 - If using an electromechanical thermostat, set to the
lowest setting.
2 - Before performing any service, turn off all electrical
power to the appliance.
3 - Open or remove the heat section access panel.
4 - Turn gas valve switch to OFF. On Honeywell
VR8305Q gas valves, turn knob on gas valve
clockwise
5 - Close or replace the heat section access panel.
Danger of explosion. Can cause injury or
death. Do not attempt to light manually. Unit
has a direct spark ignition system.

Burner Flame

Danger of explosion and fire. Can cause
injury or product or property damage.
Periodically inspect burner flame to ensure
proper unit operation.
The primary air is permanently set for normal operation.
The flame will be basically blue with some clear yellow
streaking in the end of the flame. Inspect the burner flame
periodically during the heating season using the inspec-
tion port provided on the burner access panel.
Page 5
to OFF. Do not force.
WARNING
WARNING
507246-02
to ON.
6/2019