Lennox International Inc. G32 SERIES - Manual (Page 4)

Page 4
greatly impacted by the individual installation and the opĆ
erating environment. It is your responsibility to ensure
that this appliance is maintained. Proper maintenance is
critical for your safety and the satisfactory operation of the
product. Lennox strongly recommends annual inĆ
spection and maintenance of this appliance. Contact
your independent Lennox dealer for an inspection by a
qualified service technician.
Lighting and Operating Information
WARNING
If you do not follow these instructions exactly, a fire
or explosion may result causing property damage,
personal injury or loss of life.
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.
The unit is equipped with a gas control knob. Use only
your hand to move the gas control knob. Never use tools.
If the knob will not move by hand, do not try to repair it. Call
a qualified service technician. Force or attempted repair
may result in a fire or explosion.
To place G32 furnace into operation:
G32 units are equipped with a SureLightt ignition sysĆ
tem. Do not attempt to manually light these furnaces.
Each time thermostat calls for heat, the burners will be auĆ
tomatically lit by the ignitor. The ignitor does not get hot
when there is no call for heat.
Operating the Gas Valve (Figure 3)
1 - STOP! Read the safety information at the beginning
of this section.
2 - Set thermostat to lowest setting. See figure 2.
THERMOSTATS
Figure 2
3 - Turn OFF all electrical power to appliance.
4 - This appliance is equipped with an ignition device
which automatically lights the burners. Do not try to
light the burners by hand.
5 - Remove upper access panel.
6 - Turn the gas valve knob to OFF. See figure 3.
Figure 3
HONEYWELL VR8205 Series Gas Valve
Gas Valve Shown In OFF Position
manifold
pressure
tap
high fire adjusting screw
(under cap)
low fire
adjusting screw
(under cap)
inlet pressure tap
7 - 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
instructions. If you do not smell gas go to next step.
8 - Turn the gas valve knob to ON. Do not force the knob.
9 - Replace the unit access panel.
10 - Turn on all electrical power to the unit.
11 - Set thermostat to desired setting.
NOTE - When the unit is first started, steps 1 through
11 may need to be repeated to purge air from pilot
line.
12 - If the appliance still will not operate, follow the inĆ
structions Turning Off Gas to the Unit" and call your
service technician or gas supplier.
Turning Off Gas to the Unit
1 - Set thermostat to lowest setting.
2 - Turn off all the electrical power to unit if service is to
be performed.
3 - Remove the upper access panel.
4 - Turn the gas valve knob to OFF. Do not force the
knob.
5 - Replace the upper access panel.
Filters
A filter must be in place any time the unit is operating.
Ask your dealer to show you where the filter is located.
The filter should be inspected monthly and cleaned
when necessary to assure proper furnace operation.
Foam filters may be cleaned for reuse. If replacement is
necessary, order Lennox part no. 31J81 for 14 X 25 inch
filter used in G32-75 units or P-8-7831 for 20 X 25 inch
filter used in G32-100 and -125 units. Use the following
procedure to clean filter.
Bottom Return Air Filter Installation (Figure 4)
1 - Turn off electric power to furnace.
2 - Remove blower access panel.
3 - Remove filter by pressing side filter clips and pulling
filter up and out. See figure 4.