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MODEL 393AAV UPFLOW
GAS FURNACE

 

NOTE TO INSTALLER:

This manual must be left with the equipment user.

—  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.

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

 

USER’S INFORMATION MANUAL

Summary of Contents for GAS-FIRED INDUCED-COMBUSTION FURNACE 393AAV

Page 1: ...ectrical 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 WARNING If the information in this manual is not followed exactly a fire or explos...

Page 2: ...rs went into the development of your new furnace Take a little time now to assure its most efficient operation for years to come 1 MODEL 393AAV Upflow Furnace 2 11 1 10 12 3 4 8 7 5 13 9 6 2 14 17 15 16 UPFLOW FURNACE COMPONENTS Inducer Rating Plate Model and Serial No Gas Valve Control Knob or Electric Switch On Off Gas Valve Gas Burner Flame Sensor Air Filter Retainer Air Filter Blower and Blowe...

Page 3: ...d electrical components Only trained and qualified personnel should install repair or service heating equipment Untrained personnel can perform basic maintenance functions such as clean ing and replacing air filters All other operations must be performed by trained service personnel Observe safety precautions in this manual on tags and on labels attached to the fur nace and other safety precaution...

Page 4: ...xternal manual gas valve See Fig 15 10 Set the room thermostat to a tem perature slightly above the room temperature This will automati cally signal the furnace to start The inducer motor will start and the hot surface ignitor will energize When hot the ignitor will have an orange glow 9 10 11 CL O S E FF O O F F 2 3 1 M P ON O F F C ON 12 11 After 32 to 70 sec the gas valve permits gas to flow to...

Page 5: ...Fig 13 7 If the furnace is being shut down because of a malfunction call your dealer as soon as possible PERFORMING ROUTINE MAINTENANCE With the proper maintenance and care yourfurnacewilloperateeconomically and dependably Basic maintenance which can easily be accomplished by someone who follows the directions is found on this and the following pages However before beginning maintenance follow the...

Page 6: ...nspect the gas burner see Fig 23 for dirt rust or scale Then inspect the inducer vent con nection area and the vent pipe for rust NOTE If dirt rust soot or scale accu mulations are found call your servic ing dealer DO NOT OPERATE THE FURNACE 3 Inspect the vent pipe for a sag holes or a disconnection A hori zontal vent pipe must slope upward away from the furnace If rusty joints or seams or signs o...

Page 7: ...NANCE In addition to the type of routine main tenance you might be willing to do your furnace should be inspected regularly by a properly trained service technician An annual inspection or biennial inspection at least should include the following 1 Inspection of all combustion prod uct passages including the burn ers heat exchanger inducer and vent pipe 2 Inspection of all combustion air and venti...

Page 8: ...TALLATION DATA Date Installed Dealer Name Address City State Zip Telephone FURNACE Product No Model No Serial No ACCESSORIES Product No Model No Serial No Product No Model No Serial No SPLIT SYSTEM OUTDOOR UNIT Product No Model No Serial No INDOOR COIL Product No Model No Serial No Product No Model No Serial No Product No Model No Serial No ...

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