Fedders F80A dimensions Furnace Operation Information

FURNACE OPERATION INFORMATION

During the heating season, the operation of the furnace is fully automatic.

TO START THE FURNACE:

1.	First read these instructions and safety notices
	thoroughly.
2.	Set the thermostat to the lowest setting.
3.	Ensure that all supply air registers and return air grilles
	are open.
4.	Turn off the electric power to the furnace.
5.	Remove the burner access door.
6.	Ensure that the appliance manual shutoff valve is in the
	"ON" position. The valve handle is normally in-line
	with the gas pipe and valve body when it is in the "ON"
	position perpendicular to the gas piping and valve
	body when it is in the "OFF" position.
7.	Wait 5 minutes to clear out any gas. If, after this time
	you smell gas, STOP. Turn the appliance manual shutoff
	valve to the "OFF" position. If burning propane or
	other LP gas, smell for gas near the floor since propane
	and butane are both heavier than air. If after this time

WARM AIR FURNACE

FURNACE SHUTDOWN PROCEDURE

1.Set the thermostat to its lowest setting.

2.Shut off electric power to the furnace.

3.Turn the appliance manual shutoff valve to the "OFF" position.

4.Remove the burner access door, move the manual gas control switch to the "OFF" position, then reinstall the burner access door.

If you intend to be away from home for lengthy periods of time during the nonheating season, it is advisable to follow the furnace shutdown procedure.

Figure 3

Outlet	Regulator
Pressure	Vent
Boss

	you do not smell gas, continue to the next step.
8.	Gas valve: Ensure that the Gas Valve Control is in the
	"ON" position, see Figure 3 at right.
9.	Replace the burner access door, ensuring that it is
	properly in place.

10.	Restore the electric power to the furnace.
11.	Adjust the thermostat to the desired setting. If the
	thermostat also controls an air conditioning system,

Inlet Pressure Boss (Optional)

Connection
	Gas Valve Control
Terminals

Regulator Adjustment

ensure that the thermostat system switch is in the

"HEAT" or "AUTO" mode.

If this is the first time that the furnace has undergone a trial ignition since installation, or if there has been work done on the gas lines, the furnace might not light because of air trapped in the gas supply line.

Simply turn the thermostat down to its lowest setting, wait 5 minutes, then adjust the thermostat to the desired setting. If the problem persists, proceed to the Furnace Shut Down Procedure and call your installer, service agency or gas supplier.

If you intend to be away from home for lengthy periods of time during the non-heating season, it is advisable to follow the furnace shut down procedure.

WARNING

NEVER USE TOOLS TO TURN A MANUAL GAS CONTROL HANDLE. IF THE CONTROL HANDLE WILL NOT TURN BY HAND, DO NOT ATTEMPT TO FORCE IT. DOING SO COULD RESULT IN FIRE OR EXPLOSION RESULTING IN SERIOUS PERSONAL INJURY OR DEATH, OR PROPERTY DAMAGE. CALL A QUALIFIED INSTALLATION CONTRACTOR, SERVICE AGENCY OR GAS SUPPLIER.

WARNING

DEVICES ATTACHED TO EITHER THE VENT OR COMBUSTION AIR INTAKE FOR THE PURPOSES OF EXCEEDING THE LIMITATIONS DESCRIBED IN THE INSTALLATION MANUAL, INCLUDING FIELD INSTALLED INDUCED BLOWER FANS HAVE NOT BEEN TESTED AND ARE NOT INCLUDED IN THE DESIGN CERTIFICATION OF THE FURNACE.

THE MANUFACTURER CANNOT AND WILL NOT SPECULATE ON THE EFFECTS OF SUCH MODIFICATIONS, AND CANNOT AND WILL NOT BE RESPONSIBLE FOR INJURY OR DAMAGE CAUSED BY THE USE OF SUCH UNTESTED AND/OR UNCERTIFIED DEVICES, ACCESSORIES OR COMPONENTS.

WARNING

IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE OR MAINTENANCE CAN CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH

FOR ASSISTANCE OR ADDITIONAL INFORMATION, CONSULT A QUALIFIED INSTALLER, SERVICE AGENCY, OR YOUR GAS SUPPLIER.

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