For Your Safety Read Before Lighting - Lennox LGA Series Unit Information

C-Heating Startup LGA

FOR YOUR SAFETY READ BEFORE LIGHTING

! WARNING
Electric shock hazard. Can cause injury
or death. Do not use this furnace if any
part has been under water. Immediately
call a qualified service technician to in-
spect the furnace and to replace any
part of the control system and any gas
control which has been under water.
WARNING
!
Danger of explosion. Can cause injury or
product or property damage. If over-
heating occurs or if gas supply fails to
shut off, shut off the manual gas valve to
the appliance before shutting off electri-
cal supply.
! WARNING
Electric shock hazard. Can cause
injury or death. Before attempting to
perform any service or maintenance,
turn the electrical power to unit OFF at
disconnect switch(es). Unit may have
multiple power supplies.
BEFORE LIGHTING smell all around the appliance area
for gas. Be sure to smell next to the floor because some gas
is heavier than air and will settle on the floor.
Use only your hand to push in or turn the gas control knob.
Never use tools. If the knob will not push in or turn by hand,
do not try to repair it, call a qualified service technician.
Force or attempted repair may result in a fire or explosion.
WARNING
!
Danger of explosion. Can cause injury or
death. Do not attempt to light manually.
Unit has a direct spark ignition system.
This unit is equipped with an automatic spark ignition sys-
tem. There is no pilot. In case of a safety shutdown, move
thermostat switch to OFF and return the thermostat switch
to HEAT to reset ignition control.
1-Placing Furnace In Operation
!
Danger of explosion and fire. Can cause
injury or product or property damage.
You must follow these instructions
exactly.
Gas Valve Operation for White Rodgers
36C Series Valve (Figure 26)
WHITE RODGERS 36C GAS VALVE
1- Set thermostat to lowest setting.
2- Turn off all electrical power to appliance.
3- This appliance is equipped with an ignition device
which automatically lights the burner. Do not try to light
the burner by hand.
4- Remove heat section access panel.
5- Turn knob on gas valve clockwise
force.
6- Wait five (5) minutes to clear out any gas. If you then
smell gas, STOP! Immediately call your gas supplier
from a neighbor's phone. Follow the gas supplier's in-
structions. If you do not smell gas go to next step.
7- Turn knob on gas valve counterclockwise
8- Replace heat section access panel.
9- Turn on all electrical power to unit.
10-Set thermostat to desired setting.
11-If the appliance will not operate, follow the instructions
"To Turn Off Gas To Unit" and call your service techni-
cian or gas supplier.
Page 36
WARNING
(MANIFIOLD)
PRESSURE
HIGH FIRE
ADJUSTMENT
D-1 SCREW UN-
C-1
GV-1
C2
GV-2
FIGURE 26
to OFF. Do not
OUTLET
TAP
DER CAP
to ON.