Unit installation

8
Operating Your Furnace
Starting Your Furnace
WARNING
To avoid death, personal injury, or property damage,
do not remove any internal compartment covers.
Electrical components are contained in both
compartments. Contact a qualified servicer at once
if any abnormal condition is noticed.
To put your furnace into operation, follow the steps listed
below.
1. Close the manual gas valve external to the furnace.
2. Turn off the electrical power supply to the furnace.
3. Set room thermostat to lowest possible setting.
4. Remove the louvered door on the front of the fur-
nace by lifting it up and forward.
5. This furnace is equipped with an ignition device to
automatically light the burners. Do not try to light
burners by hand.
6. Honeywell Model VR-8205 (Figure 2), White-Rodg-
ers Model 36E36 (Figure 3), and Robertshaw Gas
Valves Model 7222 (Figure 5)
Turn the gas control knob or lever clockwise to
the OFF position. The knob or lever should turn eas-
ily. Do not use excessive force.
White-Rodgers Model 36E22 (Figure 4)
Push the selector switch to "OFF".
7. Wait five minutes to clear out any gas. Then smell
for gas, including near the floor. This is important.
Some types of gas are heavier than air and the smell
will be closer to the floor.
8. If gas can be smelled following the five minute
waiting period in Step 7, follow the instructions on
the front page of this manual. If gas can not be
smelled:
Honeywell Model VR-8205, White-Rodgers Model
36E36 , and Robertshaw Gas Valves Model 7222
Turn the gas control knob or lever counterclockwise
to the ON position. The knob or lever should
turn easily. Do not use excessive force.
White-Rodgers Model 36E22
Push the selector switch to "ON" (Figure 4).
9. Replace the door on the front of the furnace.
10. Open the manual gas valve external to the furnace.
11. Turn on the electrical power supply to the furnace.
12. Set the room thermostat to the desired temperature.
NOTE: There is an approximate 20 second delay
between thermostat energizing and burner firing.
Shutting Down Your Furnace
To shut down your furnace, follow the steps listed below.
1. Set the thermostat to lowest setting.
2. Turn off the electrical power supply to the furnace.
3. Remove the louvered door on the front of the furnace
by lifting up and pulling forward.
4. White-Rodgers Model 36E35, Honeywell Model VR-
8205, and Robertshaw Gas Valves Model 7222
Turn the gas control knob or lever clockwise to
the OFF position. The knob or lever should turn eas-
ily by hand. Do not use excessive force.
White-Rodgers Model 36E22
Push the selector switch to "OFF".
5. Close manual gas shut-off valve external to the fur-
nace.
6. Replace the door on the furnace.