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You have purchased a high efficiency, gas-fired, warm-air residential furnace.  It is
designed to heat your home efficiently and safely.  It is also designed to interface
with your cooling equipment and to assist in circulating conditioned air.

Your furnace functions are regulated by an integrated control module which
responds to your home thermostat.  This module controls all aspects of operation,
including safety and is designed to assure efficiency, reliability, and comfort.

This furnace has been designed with flexibility in mind.  It can be installed in an
upright or horizontal position and uses indoor air for combustion.

Your furnace is built to provide many years of safe and dependable service,
providing it is properly installed and maintained.  Take time to familiarize yourself
with the information concerning furnace installation, features, operation, and
maintenance contained within this manual.

80% SINGLE-STAGE COUNTERFLOW FURNACE

U

SER

S

 I

NFORMATION

 M

ANUAL

March 2003

Part No.  20371804
Printed in U.S.A.

WARNING

If the information in these instructions is not followed exactly, a fire or explosion
may result causing property damage, personal injury or loss of life.

– Do not store or use gasoline or other flammable vapors and liquids in the

vicinity of this or any other appliance.

– 

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.  Follow
the gas supplier’s instructions.

If you cannot reach your gas supplier, call the fire department.

– Installation and service must be performed by a qualified installer, service

agency or the gas supplier.

Summary of Contents for 80% SINGLE-STAGE COUNTERFLOW FURNACE

Page 1: ...tained Take time to familiarize yourself with the information concerning furnace installation features operation and maintenance contained within this manual 80 SINGLE STAGECOUNTERFLOWFURNACE USER S I...

Page 2: ...he customer This includes all safety precautions and related items Prior to actual installation thoroughly familiarize yourself with this Instruction Manual Pay special attention to all safety warning...

Page 3: ...re in a safe place for future reference THE INSTALLATION AND SERVICING OF THIS EQUIPMENT MUST BE PERFORMED BY QUALIFIED EXPERIENCED TECHNICIANS ONLY WARNING Should overheating occur or the gas supply...

Page 4: ...arances for the furnace are always maintained These clearances are listed on the Furnace Clearance Label attached to the fur nace unit If any question develops contact the in staller of the furnace or...

Page 5: ...1 Headaches Nausea Dizziness Flu Like Symptoms 2 Excessive humidity heavily frosted windows or a moist clammy feeling in the home 3 Smoke from a fireplace will not draw up the chimney 4 Flue gases tha...

Page 6: ...F 20 40 10 F 15 35 0 F 10 30 10 F 5 25 20 F 5 20 30 F 3 18 For Propane LP Installations Only For furnaces operating on propane please review the fol lowing warnings before use WARNING To avoid death p...

Page 7: ...cal components are contained in both compartments To avoid electrical shock injury or death do not remove any internal compartment covers Contact a qualified servicer at once if an abnormal condition...

Page 8: ...following the five minute waiting period in Step 7 follow the instructions on the front page of this manual If gas can not be smelled Push the selector switch to ON 9 Replace the door on the front of...

Page 9: ...problem causing the control to open can be corrected Roll out Limit Switches The roll out limit switches are normally closed electri cally manual reset temperature activated sensors The switches are m...

Page 10: ...ll furnace components are in proper working order and that the heating system functions appropriately Particular attention should be paid to the following items Repair as necessary Flue pipe system Ch...

Page 11: ...throwaway filters If dirty these filters must be thrown away and replaced with two new similar size throwaway filters b Other installations will have two permanent filters Wash rinse and dry dirty pe...

Page 12: ...URING NUMBER P _ _ _ _ _ _ _F SERIAL NUMBER _ _ _ _ _ _ _ _ _ _ To obtain the proper labels the Model Manufacturing Number and Serial Number of the unit must be supplied These numbers are recorded on...

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