Bryant 330AAV Furnace User Manual
Contents
1. Heating amp Cooling Systems USER S INFORMATION MANUAL MODELS 330AAV UPFLOW and 331AAV DOWNFLOW HORIZONTAL GAS FURNACE TIJU WWF WN NOTE TO INSTALLER This manual must be left with the equipment user ds 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 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 e 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 Do not use this furnace if any part has been under water Immediately call a qualified service technician to inspect the furnace and to replace any part of the control system and gas control which has been under water WELCOME TO GENERATION OF COMFORT Congratulations Your new high efficiency gas furnace is a sound investment which will rew2. 4 Replace the access doors and restore electrical supply to the furnace Be sure bottom door flange is inside of the furnace cas ing See Fig 16 and 17 5 Start the furnace and observe its operation If possible watch the burner flames Are they burning bright blue If not or if you sus pect some other malfunction call your servicing dealer BEFORE YOU REQUEST A SERVICE CALL BEFORE YOU CALL FOR SERVICE CHECK FOR SEVERAL EASILY SOLVED PROBLEMS e Check for sufficient airflow Check the air filter for dirt Check for blocked return air or supply air grilles Be sure they are open and unobstructed If this isn t the cause of the problem call your servicing dealer If your furnace isn t operating at all check the following list for easily solved problems e Is your thermostat set above room temperature Is the switch in the HEAT position e Is the electrical power supply switch on Is the blower access door firmly in place Are any fuses blown There is a fuse on the furnace control Has a cir cuit breaker tripped e Is the manual shutoff valve in the gas supply pipe leading to the furnace open Does the lever point in the same direction that the pipe runs open Or is it at a right angle to the pipe closed NOTE Before proceeding with the next checks turn off the electrical power supply to the furnace Remove access doors e Is the control knob or switch on the gas valve turned to the
3. stances the furnace may reset from lockout and attempt to ignite if a call for heat still exists If lockout occurs or the blower does not come on refer to the shutdown procedures on the furnace or see Shutting Down Your Furnace section in this manual and call your dealer for service 12 Set your thermostat to the tem per ature that satisfies your com fort requirements SUGGESTION Setting the ther mostat back a few degrees and compensating for the difference with warmer clothing can make a big difference in your fuel con sumption The few degrees at the top of your thermostat comfort level are the most costly degrees to obtain When the room temperature drops below the temperature selected on the thermostat the furnace will switch on automatically When the room temper ature reaches the setting selected on the thermostat the furnace will auto matically switch off Some thermostats have a FAN switch with 2 selections AUTO and ON When thermostat is set to AUTO the furnace blower cycles on and off controlled by the thermostat In ON position the furnace blower runs continuously except for a 77 sec delay at the call for heat This keeps the temperature level in your home more evenly balanced It also continuously filters the indoor air When FAN switchis moved from ON to AUTO the furnace blower will continue running for 90 sec before stopping SHUTTING DOWN YOUR FURNACE Should you ever
4. Control Knob or Electric Switch On Off 5 2 Stage Gas Valve 3 6 Gas Burner 7 Rating Plate 8 Status LED Light Blower Door Safety Switch 12 Gas Manifold 13 Hot Surface Ignitor 14 Flame Sensor IMPORTANT FACTS Your furnace must have adequate airflow for efficient combustion and safe ventilation Do not enclose it in an airtight room or seal it behind solid doors To minimize the possibil ity of serious personal injury fire damage to your furnace or improper operation carefully follow these safety rules e Keep the area around your furnace free of combustible materials gasoline and other flammable liquids and vapors e Do not cover the furnace store trash or debris near it or in any way block the flow of fresh air to the unit Combustion air must be clean and uncontaminated with chlorine or fluo 10 Draft Safeguard Tube and Switch 11 Manual Reset Flame Rollout Switch 2 7 rine These compounds are present in many products around the home such as water softener salts laundry bleaches detergents adhesives paints varnishes paint strippers waxes and plastics Make sure the combustion air for your furnace does not contain any of these compounds During remodeling be sure the combustion air is fresh and uncontaminated If air with vapors of these compounds is burned in your furnace the heat exchangers and metal vent system may deterio
5. UPFLOW FURNACES ONLY 1 Turn off electrical supply to fur nace See Fig 21 2 Remove door access panel AIR FILTER S LOCATED IN BLOWER COMPARTMENT Remove control and blower access doors See Fig 11 AIR FILTER LOCATED IN FIL TER CABINET Remove filter cabinet door See Fig 30 and 31 NOTE It will be necessary to remove thumbscrew 3 Remove air filter from furnace AIR FILTER LOCATED IN BLOWER COMPARTMENT a Slide filter retainer sideways until it is free of latch See Fig 24 b Gently remove air filter and carefully turn the dirty side up if dirty to avoid spilling dirt from the filter see Fig 25 AIR FILTER LOCATED IN FIL TER CABINET a Slide air filter out of furnace Keep dirty side up if dirty to avoid spilling dirt see Fig 31 and 32 4 Inspect the filter If torn replace it NOTE If washable filter that was shipped with the furnace has been replaced by a Factory specified disposable media filter Do not clean If dirty replace only with media filter hav ing the same part number and size Install with airflow direction arrow pointing towards blower b Electronic air cleaner EAC Refer to EAC owner s Manual for maintenance information 5 Wash filter if dirty in sink bath tub or outside with a garden hose Always use cold tap water A mild liquid detergent may be used if necessary Spray water through fil ter in the opposite direction of air
6. flow Allow filter to dry 6 Reinstall clean air filter 7 Reinstall filter retainer for blower compartment locations only 8 Replace control and blower doors See Fig 26 and 16 or filter cabi net door fig 32 and 33 9 Turn on electrical supply to fur nace see Fig 18 NOTE For upflow models only Two filters may be required in some mod els if side return ducts are used The procedure listed above may be used to remove side filters 26 e DOWNFLOW HORIZONTAL FURNACES ONLY Two filters are located in the return air plenum above the blower above line of sight resting in the V shaped chan nel on top of the furnace See Fig 27 1 Turn off electrical supply to furnace See Fig 21 2 Remove 2 screws from blower access door and remove door 3 Remove the left side filter by tip ping the filter toward the center and raising it from the V shaped channel in which it rests See Fig 27 and 28 4 Lower filter down next to the blower and remove from furnace 5 To remove the right side filter lift from V shaped channel and remove through left side the same way as left side filter 6 Inspect the filter If torn replace the filter 7 Wash the filter Gf dirty in a sink bathtub or outside with a garden hose Always use cold tap water A mild liquid detergent may be used if necessary Spray water through the filter in opposite direction of airflow through the cross mesh bindin
7. suspect a malfunction in your furnace you will need to turn the furnace off The following proce dures must be followed 1 Set your room thermostat to the lowest temperature setting See Fig 20 2 Close the manual gas valve that is located outside of the furnace cab inet See Fig 8 3 Turn off electrical power to your furnace See Fig 21 4 Remove the control access door on your furnace See Fig 10 or 11 On upflow furnaces removing the blower access door is not required 5 Turn the control knob or electric switch on the gas valve to the OFF position See Fig 22 or 23 6 Replace the control access door See Fig 16 or 17 7 If the furnace is being shut down because of a malfunction call your dealer as soon as possible 22 PERFORMING ROUTINE MAINTENANCE With proper maintenance and care your furnace will operate econom ically 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 these safety precautions A WARNING Turn off electrical power sup ply to your furnace before re moving the access doors to service or perform mainte nance A failure to follow this warning could result in per sonal injury or death A CAUTION Although special care has been taken to minimize sharp edges be extremely careful when h
8. the air filter 6 Inspection of all supply and return air ducts for obstructions air leaks and insulation Any problems found should be resolved at this time 7 Inspect the return air duct con nection s at the furnace to ensure it is physically sound sealed to the furnace casing and terminates outside the space con taining the furnace 8 Inspection of furnace installation for proper support and any ob vious deterioration of the furnace The support must be sound and without sags gaps cracks etc around the furnace base so as to provide an air seal between the support and furnace A check for loose connections attaching individual components 10 Inspection of all electrical wiring and their connections Operational check of the furnace itself to determine working con dition Repair or adjustment should be made at this time 10 Ask your servicing dealer for further details about an economical service contract that covers seasonal inspections 11 INSTALLATION DATA Date Installed Dealer Name Address City State Zip Telephone FURNACE Product No Model No Serial No 2000 Bryant Heating amp Cooling Systems 7310 VV Morris St Indpls IN 46231 12 SPLIT SYSTEM Product No Model No Serial No INDOOR COIL Product No Model No Serial No Heating amp Cooling Systems PRINTED IN U S A Cancels
9. OM04 29 Catalog No 5333 016 OM04 37 10 00
10. ON position If this or the preceding check shows an interruption in the gas supply make sure the gas has not been shut off for safety reasons If nothing else seems to be wrong follow the startup procedures found on pages 4 and 5 of this booklet e If for some reason the vent is blocked the draft safeguard switch will shut off the furnace Reset the switch by pushing the button located on top of the switch See page 2 or 3 for switch location If the switch trips a second time turn off the furnace and call for service e DOWNFLOW HORIZONTAL ONLY Check the manual reset auxil iary limit switch located on the blower housing If the blower motor fails this switch will shut off the furnace Reset it by pushing the button on the switch If it trips again turn off the furnace and call for service e Check the manual reset flame roll out switch es located near the burn ers If the furnace has experienced a high temperature condition due to inadequate combustion air these switches will shut off the furnace Reset the switch es by pushing the button on the switch If the switch trips a second time turn off the furnace and call for service e If your furnace still fails to operate call your servicing dealer for trouble shooting and repairs Tell your dealer the model and serial numbers for your furnace You should have them recorded on page 12 of this booklet By knowing exactly which furnace you have the dealer m
11. USTION AREA AND VENT SYSTEM Inspect the combustion area and vent system before each heating season An accumulation of dirt soot or rust can mean a loss of efficiency and improper performance Buildups on the main burners can cause faulty fir ing This delayed ignition is charac terized by an alarmingly loud sound If your furnace makes a loud noise when the main burners are ignited shut down the furnace and call your servicing dealer Use your flashlight and follow these steps for inspecting the combustion area and vent system of your furnace 1 Turn off the electrical supply to furnace and remove the access doors See Fig 9 and 10 or 11 2 Carefully inspect the gas burner for dirt rust or scale See Fig 29 Inspect the relief box flue connection 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 If rusty joints or seams or signs of water leakages are found call your dealer for service Q pa 30 A WARNING If holes are found or if the vent pipe is obstructed or is not connected toxic fumes can es cape into your home DO NOT OPERATE YOUR FURNACE Call your dealer for service A failure to follow this warning could result in personal injury or death
12. WARNING Should overheating occur or the gas valves fail to shut off the gas supply turn off the manual gas valve to the fur nace BEFORE turning off the electrical supply See Fig 8 A failure to follow this warning could result in a fire or explo sion and personal injury or death e Ifa suspected malfunction occurs with your gas control system such as the burners do not light when they should refer to the shutdown proce dures on the furnace or see Shutting Down your Furnace section in this manual then call your dealer as soon as possible e Check Air Filter Before attempt ing to start your furnace be sure the furnace filter is clean and in place See the maintenance section of this manual Then proceed as follows STEPS FOR STARTING YOUR FURNACE 1 Set your room thermostat to the lowest temperature setting See Fig 7 2 Close the external manual gas valve See Fig 8 3 Turn off electrical supply to the furnace See Fig 9 8 lt ON OFF 9 10 Remove the furnace access door s a Downflow Horizontal Re move blower door after re moving 2 screws first then remove the control door See Fig 10 b Upflow Remove control door See Fig 11 The gas valve will have EITHER a control knob or control switch to turn off and on Turn the control knob or switch on the gas valve to the OFF position and wa
13. andling parts or reach ing into the furnace FILTERING OUT TROUBLE A dirty filter will cause excessive stress on the furnace blower motor and can cause it to overheat and auto matically shut down The furnace filter should be checked every 3 or 4 weeks and cleaned if necessary If installed with factory specified dis posable media filter check or replace filter before each heating and cooling season Replace disposable media filter at least once a year If your furnace filter needs replacing be sure to use the same size and type of filter that was originally supplied Use the Furnace Filter Table and match your furnace size with the proper filter size A CAUTION Never operate your furnace without a filter in place Doing so may damage the furnace blower motor An accumula tion of dust and lint on internal parts of your furnace can cause a loss of efficiency The air filter for upflow furnaces is nor mally located in the blower compart ment See Fig 2 or in the factory supplier filter cabinet attached to the side or bottom of the blower cabinet Filters for the downflow furnaces are normally located in the return air ple num above the blower If air filter has been installed in another location con tact your dealer for instructions To in spect clean and or replace the air filter s follow these steps e
14. ard you and your family with years of warm memories winter after winter Not only is your new furnace energy efficient it is also extremely reliable and supplies superior home comfort Spend just a few minutes with this booklet to learn about the operation of your new furnace and the small amount of maintenance it takes to keep it operating at peak efficiency Years went into the development of your new furnace Take a little time now to assure its most efficient operation for years to come UPFLOW FURNACE COMPONENTS 1 Relief Box 3 2 Stage Gas Valve 9 Status LED Light 2 Gas Valve Control Knob or Electric Switch On Off 4 Manual Reset Flame Rollout Switch 2 5 Gas Burner 6 Flame Sensor 7 Hot Surface Ignitor 8 Rating Plate 1 MODEL 330AAV Upflow Furnace ULL RR LU ALL MODEL 331AAV l RA N Downflow Horizontal Furnace 10 Blower and Blower Motor 11 Draft Safeguard Tube and Switch 12 Gas Manifold 13 Blower Door Safety Switch 14 Filter Retainer 15 Air Filter DOWNFLOW HORIZONTAL FURNACE COMPONENTS 1 Manual Reset Auxiliary Limit Switch 2 Blower and Blower Motor 2 3 Relief Box 4 Gas Valve
15. ay be able to offer suggestions over the phone or save 9 valuable time through knowledgeable preparation for the service call e Your furnace control board has an LED fault code light that indicates the furnace status The LED will flash short and long flashes Look through the sight glass on the furnace door and determine the code number of short and long flashes Give the code and furnace model number to your dealer when you call By knowing exactly which furnace you have and the LED code being displayed your dealer can save valuable time through knowledgeable preparation for the ser vice call REGULAR DEALER MAINTENANCE In addition to the type of routine maintenance you might be willing to do your furnace should be inspected regularly by a properly trained service technician A semiannual inspection or annual inspection at least should include the following 1 Inspection of all flue product passages including the burners heat exchanger relief box and vent pipe 2 Inspection of all combustion and ventilation air passages and openings 3 Close check of all gas pipes lead ing to and inside of your furnace 4 Inspection cleaning and lubrica tion when required of the blower motor and wheel NOTE Refer to the unit Service Procedures for blower motor oiling information When required the motor must be oiled by a qualified service technician 5 Routine inspection and cleaning replacement of
16. g when present side Allow filter to dry 8 Reinstall clean filters 9 Replace blower access door and secure with 2 screws Turn on electrical supply to the furnace See Fig 18 UPFLOW FURNACE AIR FILTER TABLE IN AIR FILTER LOCATED IN BLOWER COMPARTMENT FUR FILTER SIZE NACE CASAS Side Bottom rien WIDTH Return Return TYPE 14 3 16 Cleanable 17 1 2 Cleanable 21 1 16x25x1 1 20x 25 x 1 Cleanable 24 1 2 1 or 2 16 x 25 x II 1 24 x 25 x 1 Cleanable AIR FILTER LOCATED IN FILTER CABINET FILTER CABINET FILTER HEIGHT IN SIZE IN 1 16x 25 x I 16 or 1 16x 25 x 4 5 16 Disposable 1 20 x 25 x 1 Cleanable 20 or 1 20 x 25 x 4 5 16 Disposable Cleanable 1 24x 25 x 1 24 or 1 24 x 25 x 4 5 16 Disposable DOWNFLOW FURNACE FILTER TABLE IN FILTER TYPE Cleanable FURNACE Es CASING FILTER FILTER WIDTH SIZE TYPE 14 3 16 Cleanable 17 1 2 Cleanable 21 Cleanable 24 1 2 Cleanable Filter provided with the furnace Filters may be field modified by cutting filter material and support rods 3 in filters Alternate sizes and additional filters may be ordered from your dealer A CAUTION Use care when cutting support rods in filters to protect against fiying pieces and sharp rod ends Wear safety glasses gloves and appropri ate protective clothing Failure to follow this caution could re sult in personal injury COMB
17. it 5 minutes See Fig 12 or 13 After waiting 5 minutes turn the control knob or switch on the gas valve to the ON position See Fig 14 or 15 Replace the access door s See Fig 16 for upflow and Fig 17 for downflow Replace control door first on downflow furnaces Replace blower door and secure with 2 screws Turn on electrical supply to the furnace See Fig 18 Open the external manual gas valve See Fig 19 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 ener gize When hot the ignitor will have an orange glow 11 After 15 to 70 sec the gas valve permits gas to flow to the main burners where it is ignited Hot flames begin to warm the furnace s heat exchanger After a time delay of approximately 45 sec the furnace blower is switched on Lo Ri F OR a r 17 oN OFF 18 19 NOTE If the main burners fail to ignite the furnace control system will go through 3 more ignition cycles If burners still fail to ignite the system will lockout Under some circum
18. rate e A furnace installed in an attic or other insulated space must be kept free and clear of insulating material Examine the furnace area when in stalling the furnace or adding more insulation Some materials may be combustible NOTE Do not use this furnace if any part has been under water Immedi ately call a qualified service technician to inspect the furnace and to replace any part of the control system electri cal components and any gas control which has been under water NOTE The qualified installer or agency must use only factory authorized replacement parts kits and accessories when servicing this product TE L m This furnace contains safety devices which must be manually reset If the furnace is left unattended for an ex tended period of time have it checked periodically for proper oper ation This precaution will prevent problems associated with no heat such as frozen water pipes etc See Before You Request a Service Call section in this manual SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due to gas and electrical components Only trained and qualified personnel should install repair or service heating equipment Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters All other opera
19. tions must be per formed by trained service personnel Observe safety precautions in this manual on tags and labels attached to the furnace and other safety pre cautions that may apply Recognize safety information This is the safety alert symbol AN When you see this symbol on the furnace and in instructions or manuals be alert to the potential for personal injury Understand the signal words DAN GER WARNING and CAUTION These words are used with the safety alert symbol DANGER identifies the most serious hazards which will result in severe personal injury or death WARNING signifies hazards which could result in personal injury or death CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage STARTING YOUR FURNACE Instead of a continuously burning pilot flame your furnace uses an automatic hot surface ignition system to light the burners each time the thermostat turns your furnace on Follow these important safeguards e Never attempt to manually light the burners with a match or other source of flame 6 e Read and follow the operating instructions on the furnace especially the item that reads as follows Wait 5 minutes to clear out any gas Then smell for gas including near the floor If you smell gas STOP Follow B in the above safety infor mation on this label If you don t smell gas go to the next step A
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