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the thermostat to the “OFF” position or interrupting the electrical power to the unit for
3 seconds or longer. The induced draft blower and main burner will shut off when the
thermostat is satisfied.
The circulating air blower will start and run on the heating speed if the thermostat fan
switch is in the “ON” position.
The integrated furnace control is equipped with diagnostic LED. The LED is lit contin-
uously when there is power to the control, with or without a call for heat. If the LED is
not lit, there is either no power to the control or there is an internal component failure
within the control, and the control should be replaced.
If the control detects the following failures, the LED will flash on for approximately 1/4
second, then off for 3/4 second for designated failure detections.
1 Flash: Failed to detect flame within the four tries for ignition.
2 Flash: Pressure switch or induced draft blower problem detected.
3 Flash: High limit or auxiliary limit open.
4 Flash:
Flame sensed and gas valve not energized or flame sensed with no “W” signal.
5 Flash: Overtemperature switch open.
OPERATING INSTRUCTIONS
This appliance is equipped with integrated furnace control. This device lights the
main burners each time the room thermostat (closes) calls for heat. See operating
instructions on the back of the furnace/controls access panel.
TO START THE FURNACE
1. Set the thermostat to its lowest setting.
2. Turn off all electric power to the appliance.
3. This appliance does not have a pilot. It is equipped with an ignition device which
automatically lights the burner. Do not try to light the burner by hand.
4. Remove control door.
5. Move control knob to the “OFF” position. Turn the knob by hand only, do not use
any kind of tool.
6. Wait five (5) minutes to clear out any gas. Then smell for gas, including near the
floor. If you smell gas, STOP! Follow B in the safety information on the Operating
Instructions located on the back of the controls/access panel. If you don’t smell
gas, go to the next step.
7. Move the gas control knob from “OFF” position to “ON” position. Operate this
appliance with the gas control knob in the “ON” position only. Do not use the gas
control knob as a means for throttling the burner input rate.
8. Replace the control door.
9. Turn on all electric power to the appliance.
10. Set the thermostat to the desired setting.
11. If the appliance will not operate, follow the instructions below on how to shut
down the furnace.
The initial start-up on a new installation may require the control system to be ener-
gized for some time until air has bled through the system and fuel gas is available at
the burners.
TO SHUT DOWN FURNACE
1. Set the thermostat to the lowest setting.
2. Turn off all electric power to the appliance if service is to be performed.
3. Remove control door.
4. Move control knob to the “OFF” position.
5. Replace control door.
DO NOT ATTEMPT TO MANUALLY LIGHT THIS FURNACE WITH A MATCH OR
ANY OPEN FLAME. ATTEMPTING TO DO SO CAN CAUSE AN EXPLOSION OR
FIRE RESULTING IN PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
WARNING
!
THE SPARK IGNITOR AND IGNITION LEAD FROM THE IGNITION CONTROL
ARE HIGH VOLTAGE. KEEP HANDS OR TOOLS AWAY TO PREVENT ELEC-
TRICAL SHOCK. SHUT OFF ELECTRICAL POWER BEFORE SERVICING ANY
OF THE CONTROLS. FAILURE TO ADHERE TO THIS WARNING CAN RESULT
IN PERSONAL INJURY OR DEATH.
WARNING
!