6
Cool/Heat
Switch
Fan
Switch
Cool/Heat
Temperature
Control Dial
Room Temperature
Thermostat
Thermostat
Control
Lever
System
Switch
Fan
Switch
Action
OFF
AUTO
None
COOL
AUTO
System only cools, fan
cycles off and on.
COOL
ON
System only cools, fan
runs all the time.
HEAT
AUTO
System only heats, fan
cycles off and on.
HEAT
ON
System only heats, fan
runs all the time.
OFF
ON
No heating or cooling,
fan runs all the time.
Figure 3
Typical Thermostat
ELECTRICAL COMPONENTS
This furnace is equipped with an electronic ignition device
which lights the burners. It also has a induced draft blower
to exhaust combustion products.
Keep both doors in place except for inspection and mainte-
nance. An interlock switch prevents furnace operation if the
blower door is not in place.
Do not use this furnace if any part has been under water.
Immediately call a qualified servicer to inspect the furnace
and to replace any part of the control system and any gas
control which has been under water.
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 an abnormal condition is noticed.
OPERATING INSTRUCTIONS
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 furnace
by turning the latch screw 1/4 turn.
5. This furnace is equipped with an ignition device which
automatically lights the burner. Do not try to light burner
by hand.
6.
White Rodgers Model 36E36 or 36E37 or Honeywell
Model VR-8205: Turn the gas control knob clockwise
to the OFF position for either the White Rodgers
gas valve (Figure 4) or the Honeywell gas valve (Figure
5).
White Rodgers Model 36E22 or 36E23: Push the
selector switch to "OFF". (Figure 6)
7. Wait five minutes to clear out any gas. Then smell for
gas, including near the floor. This is important , be-
cause some types of gas are heavier than air.
8. If you smell gas following the five minute waiting period
in Step 7, immediately follow the instructions on the
cover of this manual. If you do not smell gas after five
minutes:
White Rodgers Model 36E36 or 36E37 or Honeywell
Model VR-8205: Turn the gas control knob counter-
clockwise
to the ON position for either the White
Rodgers 36E gas valve (Figure 4) or the Honeywell VR-
8205 gas valve (Figure 5).
White Rodgers Model 36E22 or 36E23: Push the
selector switch to "ON". (Figure 6)
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 thermostat to desired setting.
Figure 4
White Rodgers
Models 36E36 or 36E37
Figure 5
Honeywell
Model VR-8205
