For Your Safety Read Before Lighting - Lennox G24M Series Installation Instructions Manual

iU_tiS_U_!_i_i_iiii!i_ii!i_i_i_i_i_i_i_iiiii_i_i_i_i_i_:i_i_i_i_i_i_i_i_i_i_i_ii_ii_iiii!i_iiiii_iii_ii_i_i_}_i_i_i_i_i_i_iii_i_i_i_i_iii_i
,WARNING
&WARNING
,CAUTION
FOR YOUR SAFETY READ BEFORE LIGHTING
BEFORE LIGHTING smell all around the appliance areafor
gas. Be sure tosmell next to the floorbecause some gas is
heavier than air and will settleon the floor.
Use onlyyour hand to turn the gas controlknob. Never use
tools.If the knobwillnot turnby hand,do not _3 _to repairit,call
a qualified servicetechnician. F orce or attemptedrepairmay
resultin a fire or explosion.
Placing Furnace Into Operation
G24M furnaces are equipped with a SureUght" ignition
system. Do not attemptto manually light burnerson these
furnaces. Each time the thermostatcalls for heal the bum-
ere will automaticallylight.
Gas Valve Operation (Figures 23 and 24)
1 - STOP! Read the safety information at the beginning of
this section.
2 - Set the thermostatto the lowest setting.
3 - Turn off all electrical power to the unit.
4 - This furnace is equipped with an ignitiondevice which
automaticallylightsthe burners. D° not t_ to lightthe
burnersby hand.
5 - Remove the access panel.
6-
7-
White Rodgers 36E Gas Valve -Switch gas valve le-
ver to OFF. See figure 23.
Honeywell VR8205 Gas Valve - Turn knob on gas
valve clockwise4_' to OFF. Do not force. See figure
24.
Wait five minutes to dear out any gas. If you then smell
gas, STOP! Immediately call your gas supplier from a
neighbor'sphone. Follow the gas supplier's instructions.
If you do not smell gas go to next step.
WHITE RODGERS 36E Series Gas Valve
MANIFOLD
PRESSURE
ADJUSTMENT
0 o
/ SCREW
MANIFOLD
PRESSURE
/ OUTLET
GAS VALVE SHOWN IN OFF POSITION
FIGURE 23
HONEYWELL VR8205 Series Gas Valve
MANIFOLD
PRESSURE
- _
SCREW MAN,FOLD
PRESSURE
OUTLET
GAS VALVE SHOWN IN OFF POSITION
FIGURE 24
8 - WhiteRodgers 36E Gas Valve- Switchgas valvelever
to ON.
Honeywell VR8205 Gas Valve -Turn knobon gasvalve
counterclonkwise_l_to ON. Do not force.
9 - Replace the access panel.
10 - Turn on all electrical power to the unit.
11 - Set the thermostatto desired setting.
NOTE- When unitis inifia//y staffed,steps1 _reugh 11
may need to be repeated to purge air from gas line.
12 - If the appliance will not operate, follow the instructions
"Turning Off Gas to Unit" and call your servicetechni-
dan or gas supplier.
Turning Off Gas to Unit
1 - Set the thermostatto the lowest setting.
2 - Turn offall electricalpowerto the unitif serviceis tobe
performed.
3 - Remove the access panel.
4 - White Rodgers 36E Gas Valve -Switch gas valve le-
ver to OFF.
Honeywell VR8205 Gas Valve - Turn knob on gas
valve clockwise411_ to OFF. Do not force.
5 - Replace the access panel.
Page 24