Fedders F80A - Manuals

Fedders F80A – Manual in PDF format online.

Manuals:

Manual

Manual Fedders F80A

Summary

Page 2 - INTRODUCTION; Furnace; SAFETY

1 MODEL F80A INTRODUCTION This gas fired midefficiency (non-condensing) furnace is anup flow, counterflow or horizontal flow warm air furnacesuitable for residential and light commercial heatingapplications from 35,000 to 135,000 BTU/Hr. This appliance is a CGA / AGA design certified as a Category I...

Page 3 - WARM AIR FURNACE; DANGER

2 WARM AIR FURNACE DANGER WHAT TO DO IF YOU SMELL GAS: • DO NOT TRY TO LIGHT ANY APPLIANCE • DO NOT TOUCH ANY ELECTRICAL SWITCH; DO NOT USE ANY PHONE IN YOUR BUILDING • IMMEDIATELY CALL YOUR GAS SUPPLIER FROM A NEIGHBOR’S PHONE, OR A CELLULAR PHONE FROM ALOCATION WELL AWAY FROM THE BUILDING.FOLLOW T...

Page 4 - FURNACE SIZING; LOCATION of UNIT

3 MODEL F80A FURNACE SIZING The maximum hourly heat loss for each heated space shallbe calculated in accordance with the procedures describedin Manual J titled, "Load Calculation" published by the AirConditioning Contractors of America, or by any othermethod which is suitable for local condi...

Page 5 - INSTALLATION POSITIONS; WARNING

4 WARM AIR FURNACE UPFLOW INSTALLATION This furnace comes assembled for installation in the upflowposition and ready for vertical venting. In the event that thefurnace will be installed in another position, the followingguidelines should be followed. COUNTERFLOW INSTALLATION SUGGESTED METHOD FOR SUS...

Page 6 - CLEARANCES; TABLE 2: CLEARANCES TO COMBUSTIBLES; 4 inches required for service

5 MODEL F80A DIMENSIONS (Inche MODEL WIDTH DEPTH HEIGHT SUPPLY A 35-2 14-1/2 29 35 13-1/2 x 19 50-3 14-1/2 29 35 13-1/2 x 19 70-3 16 29 35 15 x 19 70-4 17-1/2 29 35 16-1/2 x 19 85-3 17-1/2 29 35 16-1/2 x 19 85-4 4 100- 20-1/2 29 35 19-1/2 x 19 100-5 20-1/2 29 35 19-1/2 x 19 115-5 22 29 35 21 x 19 MO...

Page 7 - DUCTWORK; Refrigeration and Air Conditioning Engineers); Ensure that there is adequate space and accessibility for

6 WARM AIR FURNACE DUCTWORK STEPS: 1. Position the furnace to minimize ductwork length andfittings. 2. Cut open a return air inlet. The choices are:a) either sideb) furnace bottomc) any combination, i.e. two sides or a side and the bottom. Note: 2 return openings required for 70-4, 100-5, 115-5 and ...

Page 8 - DETERMING COMBUSTION AIR

7 MODEL F80A DANGER READ, UNDERSTAND AND FOLLOW ALL INSTRUCTIONSIN THIS SECTION. FAILURE TO PROPERLY VENT ORSUPPLY COMBUSTION AIR TO THIS FURNACE CANCAUSE CARBON MONOXIDE POISONING, OR ANEXPLOSION OR FIRE, RESULTING IN PROPERTY DAMAGE,PERSONAL INJURY OR LOSS OF LIFE. WARNING DO NOT ALLOW GAS PIPING ...

Page 9 - FURNACE VENTING; DEFINITIONS; solutions used in hair dressing salons

8 WARM AIR FURNACE WARNING SELECT APPROPRIATE VENTING MATERIALS ANDENSURE PROPER CLEARANCES TO COMBUSTIBLES.INADEQUATE VENTING OR FAILURE TO MAINTAINPROPER CLEARANCES TO COMBUSTIBLES MAY ALLOWTHE ACCUMULATION OF THE PRODUCTS OFCOMBUSTION WITHIN THE BUILDING RESULTING INFIRE, NAUSEA, OR ASPHYXIATION....

Page 11 - VENT CONNECTOR

10 WARM AIR FURNACE VENT CONNECTOR The furnace may be vented with a listed single wall or Type B double wall vent connector to a B-Vent or linedmasonry chimney. Most United States jurisdictions require aminimum 28-gauge galvanized single wall vent connector.Most Canadian jurisdictions require the ve...

Page 12 - Figure 8: Vent Termination; FIGURE 7: DEDICATED VENTING

11 MODEL F80A VENT TERMINATION Terminate all vertical vents with a listed vent cap or roofassembly unless local codes require otherwise. Locate thetermination in an area free of positive pressure or windeddies. Eddies may occur when wind swirls over roof peaks.They can cause downdrafts and interfere...

Page 13 - GAS SUPPLY; EXISTING VENT CONSIDERATIONS

12 WARM AIR FURNACE WARNING THIS FURNACE IS FACTORY EQUIPPED TO BURN NATURALGAS ONLY. CONVERSION TO L.P. GAS REQUIRES SPECIAL KIT No.30482. FAILURE TO USE THE PROPER CONVERSION KIT CANCAUSE FIRE, EXPLOSION, CARBON MONOXIDEPOISONING, PROPERTY DAMAGE, PERSONAL INJURY ORLOSS OF LIFE. CAUTION CONVERSION...

Page 14 - CONVERSIONS; HIGH ALTITUDE; Unfasten the ground joint union between the gas valve and

13 MODEL F80A CONVERSIONS HIGH ALTITUDE In the United States, the modifications for high altitude arebased on a 4 percent reduction of input capacity for every1000 feet above sea level. Table 4 on page 14 illustrates theimpact of altitude for selected elevations. Ratings shownapply to the highest el...

Page 15 - TABLE 6: AIRFLOW SPECIFICATIONS

14 WARM AIR FURNACE TABLE 3: HIGH ALTITUDE SPECIFICATIONS - CANADA MODEL Input x 1000 ALTITUDE Feet INPUT BTU/hr OUT PUT BTU/hr NAT. ORIFICE L.P. ORIFICE QTY. QTY. 2 3 4 5 6 7 8 0 - 2000 35,000 28,000 1.95 mm 1.20 mm 35 2000 - 4500 31,500 25,200 1.90 mm 1.15 mm 0 - 2000 50,000 40,000 1.95 mm 1.20 mm...

Page 16 - ELECTRICAL SPECIFICATIONS

15 MODEL F80A SETTING THE MANIFOLD (Outlet) GAS PRESSURE(F92-1003 36G Valve Pressure Check Kit) 1. Shut off the gas upstream of valve and move valveswitch to “OFF”. 2. Using the 3/32 inch hex wrench that is included in thevalve pressure check kit, rotate outlet pressure tapscrew one revolution count...

Page 17 - CAUTION

16 WARM AIR FURNACE THERMOSTAT LOCATION The thermostat should be located approximately 5 feet abovethe floor, on an inside wall where there is good natural aircirculation, and where the thermostat will be exposed toaverage room temperatures. Avoid locations where thethermostat will be exposed to col...

Page 18 - START UP PROCEDURES; TO START THE FURNACE:; SEQUENCE OF OPERATION

17 MODEL F80A START UP PROCEDURES This furnace is equipped with a hot surface ignition (HSI) device.Each time that the room thermostat calls for heat, the HSI lightsthe main burners directly. See the lighting instructions on thefurnace. TO START THE FURNACE: 1. Remove the burner compartment access d...

Page 19 - CHECKING FURNACE INPUT; Input; TEMPERATURE RISE CHECK

18 WARM AIR FURNACE Figure 10:PiggybackConnector Remove blue wirefrom HEAT terminal,tape it off, andreplace it with ajumper. Connect theblack wire andjumper to COOL. CHECKING FURNACE INPUT • The natural gas supply pressure should be a maximum of 7 inches w.c. and minimum of 5 inches w.c. • The burne...

Page 20 - AIRFLOW; CALCULATING AIRFLOW

19 MODEL F80A ADJUSTING BLOWER SPEEDS If the blower speeds require adjusting, follow these steps: 1. Remove the blower compartment door.2. Access the motor electrical wiring. The blower speed is changed at the integrated furnacecontrol. Remove the wire from the "HEAT" terminal ofthe 50A55-25...

Page 21 - MAINTENANCE

20 WARM AIR FURNACE WARNING DISCONNECT THE ELECTRICAL POWER SUPPLY TO THEFURNACE BEFORE ATTEMPTING ANY MAINTENANCE.FAILURE TO DO SO CAN CAUSE ELECTRICAL SHOCKRESULTING IN PERSONAL INJURY OR LOSS OF LIFE. CAUTION Do not operate the furnace without an air filter. WARNING HOLES IN THE EXHAUST PIPING OR...

Page 22 - Determine that the temperature rise falls within the; Always verify proper operation after servicing.; ACCESSORIES

21 MODEL F80A INDUCED BLOWER The induced blower motor should be inspected and cleanedif necessary. Clear any dust buildup from the ventilationports. CIRCULATING FAN The condition of the circulating fan should be checked toensure that it is free of excessive dust buildup, debris, etc.The mechanical f...

Page 23 - TROUBLESHOOTING

22 WARM AIR FURNACE TROUBLESHOOTING SEQUENCE OF OPERATION: WHITE RODGERS INTEGRATED FURNACE CONTROL WITH WHITE RODGERS 36G22 GAS VALVE APPLY POWER TO APPLIANCE THERMOSTAT CALLS FOR HEAT AIR PROVING SWITCH PROVED OPEN? COMBUSTION AIR BLOWER ON AIR PROVING SWITCH PROVED CLOSED PREPURGE HOT SURFACE IGN...

Page 27 - User’s Information Manual; FURNACE OPERATION INFORMATION; FIRE OR EXPLOSION HAZARD; TABLE OF CONTENTS

User’s Information Manual MODEL F80A SERIES GAS-FIRED WARM AIR FURNACE FURNACE COMPONENTS . . . . . . . . . . . . . . . . . .1 REGULATOR VENT . . . . . . . . . . . . . . . . . . . . . . .1 GENERAL SAFETY RULES . . . . . . . . . . . . . . . . . .1 FURNACE OPERATION INFORMATION TO START THE FURNACE . ...

Page 28 - GENERAL SAFETY RULES

1 MODEL F80A FURNACE COMPONENTS Figure 1 (below) is provided to help identify thecomponents of your furnace. REGULATOR VENT Most natural gas systems and all LP gas systems have aservice regulator located near the point where the gaspiping enters the building. The propane tank will normallyhave an ad...

Page 29 - Gas Valve Control

2 WARM AIR FURNACE WARNING IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION,SERVICE OR MAINTENANCE CAN CAUSE PROPERTYDAMAGE, PERSONAL INJURY OR DEATH FOR ASSISTANCE OR ADDITIONAL INFORMATION,CONSULT A QUALIFIED INSTALLER, SERVICE AGENCY, ORYOUR GAS SUPPLIER. WARNING DEVICES ATTACHED TO EITHER THE VENT ...

Page 30 - AIR FILTER; Check the furnace for obvious signs of deterioration.; FURNACE APPEARANCE

3 MODEL F80A MAINTENANCE AIR FILTER LUBRICATION Minimal lubrication is required for your furnace. Theinduced blower assembly motors have sealed bearings. Thebearings contain permanent special purpose lubricants.Attempting to force common oil into the induced blowermotor bearings will deteriorate the...