4
OPERATION
FIRE OR EXPLOSION HAZ ARD. Failure to obey the following warnings could result in property damage, serious injury,
or death:
• This Furnace does not have a pilot. It is equipped with an ignition device that automatically lights the burner. Do NOT try to light
the burner by hand.
• BEFORE OPERATING THE FURNACE, check around the Furnace area and floor for the smell of gas and check the fitting with a
leak test solution. Do NOT proceed if a gas odor exists around the Furnace or floor area. Follow the instructions in the warning box
on the cover page.
• Turn the gas control valve by hand ONLY. NEVER use tools. If the valve does not turn by hand, do NOT attempt to repair it. Call a
qualified service technician.
Read the following BEFORE proceeding:
• During the initial firing of the Furnace, a burn-off of excess paint and oils remaining from the manufacturing process may cause
“smoking” for 5 – 10 minutes.
• The Furnace is equipped with a power switch. Gas will not flow to the burner and the Furnace will not operate with the switch in
the OFF position.
• Door models have a power switch located inside of the door.
• Non-door models (LD or Small Vent) have a power switch on the outside of the Furnace.
A. Turning On The Furnace
FIG.1
Power
Switch
(Small Vent Models)
FIG.2
*Power
Switch
(Door Models)
*Switch is located behind door
• Turn the thermostat to the lowest setting.
• Turn OFF all power to the Furnace at the main power supply.
• At the exterior access panel, turn the switch on the Furnace to the OFF position.
• Wait five minutes, then check for a gas odor.
• If a gas odor exists around the Furnace or floor area, follow the instructions in the warning box on the cover page.
• If no gas odor is present, proceed to the next step.
• At the exterior access panel, turn the switch on the Furnace to the ON position.
• Turn ON the main power supply.
• Set the thermostat to the desired temperature.
If the Furnace will not operate, follow the instructions for “B. Turning Off The Furnace” on page 5 and call a qualified service
technician.