Bryant 311AAV Furnace User Manual
Contents
1. Heating amp Cooling Systems vey A iale ZI aa WA KAA aa a rar AI q 7 aa te p tls a Wr Aja MAM ZEON fp lite WELCOME TO TODAY S GENERATION OF COMFORT Congratulations Your new higher efficiency gas furnace is a sound investment which will reward you and your family with years of warm memories winter after winter Not only is your new furnace energy efficient it is also ex tremely reliable 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 Wa MODEL 311AAV and 312AAV FURNACE COMPONENTS IMPORTANT FACTS Your furnace must have adeguate air flow for efficient combustion and safe ventilation Do not enclose it in an airtight room or seal it behind solid doors To minimize the possibility 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 Do not cover the furnace store trash or debris near it or in any way block the flow of fresh air to the unit e Combustion air2. preparation for the service call REGULAR DEALER MAINTENANCE 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 flue gas pas sages including the burners heat exchanger inducer elbow and vent pipe 2 Inspection of all combustion and ventilation air passages and openings 3 Close check of all gas pipes leading to and inside of your furnace 4 Inspection and cleaning of the blower motor and wheel 5 Routine inspection and cleaning replacement of the air filter 6 Inspection of all supply and return air ducts for obstructions air leaks and insulation Any prob lems found should be resolved at this time 7 Inspection of furnace installation for proper support and any obvi ous 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 return air duct and furnace 8 A check for loose connections attaching individual components Inspection of all electrical wiring and their connections 9 Operational check of the furnace itself to determine working condi tion Repair or adjustment should be made at this time Ask your servicing dealer for further details about an economical servi
3. alling and servicing heating equip ment 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 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 precautions that may apply Recognize safety information This is the safety alert symbol A 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 identi fies 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 NOTE is used to highlight suggestions which will result in enhanced installation reliability or operation STARTING YOUR FURNACE Your furnace uses an automatic hot sur face ignition system to light the burners each time the thermostat signals the furnace to start Follow these impor tant safeguards e Never attempt to manually light the 3 bu
4. ce contract that covers seasonal inspections INSTALLATION DATA Date Installed Dealer Name Address City State Province Zip Postal Code Telephone FURNACE Product No Model No Serial No 2000 Bryant Heating amp Cooling Systems 7310 W Morris St Indpls IN 46231 AIR CONDITIONER OR HEAT PUMP OUTDOOR UNIT Product No Model No Serial No INDOOR COIL Product No Model No Serial No Heating amp Cooling Systems New PRINTED IN U S A Catalog No 5331 101 OM04 38 11 00
5. furnace will be switched off automatically Some thermostats have a fan mode with 2 selections AUTO or ON When set on AUTO the furnace blower cy cles on and off controlled by the ther mostat In the ON position the furnace blower runs continuously except for a 42 sec 62 sec low stage for 2 stage furnaces delay at the call for heat This keeps the temperature level in your home more evenly balanced It also continuously filters the indoor air SHUTTING DOWN YOUR FURNACE Should you ever 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 14 2 Close the external manual gas valve See Fig 6 on page 4 3 Turn OFF the electrical supply to your furnace See Fig 15 4 Remove the outer door on your fur nace See Fig 8 5 Turn the control switch on the gas valve to the OFF position See Fig 9 15 16 6 Replace the outer door See Fig 11 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 your furnace will operate economically and dependably Basic maintenance which can easily be accomplished by someone
6. must be clean and uncontaminated with chlorine or fluo 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 During remodeling be sure the com bustion air is fresh and uncontami nated If these compounds are burned in your furnace the heat exchangers and metal vent system may deteriorate e A furnace installed in the attic or other insulated space must be kept free and clear of the insulating material Examine the furnace area when install ing the furnace or adding more insula tion Some materials may be combustible NOTE Do not use this furnace if any part has been under water Immediately call a qualified service technician to in spect the furnace and to replace any part of the control system and any gas control which has been under water NOTE The qualified installer or agency must use only factory authorized re placement parts kits and accessories when modifying or repairing this product This furnace contains safety devices which must be manually reset If the fur nace is left unattended for an extended period of time have it checked periodi cally for proper operation This precau tion 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 Inst
7. oints or seams or signs of water leakages are found call your dealer for ser vice A WARNING If holes are found or if the vent pipe is obstructed or is not connected toxic fumes can escape into your home DO NOT OPERATE YOUR FUR NACE Call your dealer for ser vice A failure to follow this warning could result in per sonal injury or death 4 Replace the access door and restore electrical power to the furnace See Fig 12 5 Start the furnace and observe its operation If possible watch the burner flames Are they burning bright blue If not orif you suspect some other malfunction call your servicing dealer 18 22 23 BEFORE YOU REOUEST 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 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 HEAT mode selected 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 board Has a circuit breaker tripped e Is the manual shutoff valve in the gas supply pipe leading to the furnace o
8. pen Does the lever point in the same direction that the pipe runs open Or is it at right angles closed NOTE Before proceeding with the next checks turn OFF the electrical power supply to the furnace Remove the access door e Is the switch on the gas valve turned to the ON position If this or the pre ceding 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 blocked vent safeguard switch will shut off the furnace See page 2 for switch location The switch will automatically reset after the fur nace cools off e Check the manual reset limit switches located near the burners If the furnace has experienced a high tem perature condition due to inadequate combustion air these switches will shut off the furnace Reset the switches 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 re corded on page 8 of this booklet By knowing exactly which furnace you have the dealer may be able to offer suggestions over the phone or save valuable time through knowledgeable
9. rners with a match or other source of flame 9 4 e Read and follow the operating in structions 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 safety information above on this label If you don t smell gas go to the next step e If a 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 in the next sec tion to turn off your system then call your dealer as soon as possible A WARNING Should overheating occur or the gas valve fail to shut off the gas supply turn off the manual gas valve See Fig 6 to the fur nace BEFORE turning off the electrical supply A failure to follow this warning could re sult in a fire or explosion and personal injury or death e CHECK AIR FILTER Before at tempting to start your furnace be sure the 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 5 2 Close the external manual gas valve See Fig 6 3 Turn OFF the electrical supply to your furnace See Fig 7 ON oFF ing two screws See Fig 8 4 Remove the outer door b
10. tact your dealer for instruc tions To inspect clean and or replace the air filter s follow these steps 1 Turn off electrical supply to fur nace See Fig 7 2 Remove filter cabinet door See Fig 18 and 19 NOTE It will be necessary to re move thumbscrew 3 Slide air filter out of filter cabinet Keep dirty side up if dirty to avoid spilling dirt See Fig 20 and 21 4 Inspect the filter If torn replace it NOTE If washable filter that was shipped with the furnace has been re placed by a Factory specified disposable media filter Do not clean If dirty replace only with media filter having the same part number and size Install with airflow di rection arrow pointing towards blower b Electronic air cleaner EAC Re fer to EAC owner s Manual for mainte nance 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 nec essary Spray water through filter in the opposite direction of airflow Allow filter to dry 6 Reinstall clean air filter 7 Replace filter cabinet door See Fig 22 and 23 8 Turn on electrical supply to furnace see Fig 12 AIR FILTER LOCATED IN FILTER CABINET FILTER FILTER SIZE FILTER TYPE 16 1 16x25x1 Cleanable or 1 16x25x4 5 16 Disposable Factory provided with the furnace Filters may be field modified by cutting filter material and s
11. upport rods 3 in fil ters Alternate sizes and additional fil ters may be ordered from your dealer A CAUTION Use care when cutting support rods in filters to protect against flying 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 COMBUSTION 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 firing This delayed ignition is characterized by an alarmingly loud sound If your fur nace makes a loud noise when the main burners are ignited shut down the fur nace 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 the furnace and remove the access door See Fig 7 and 8 2 Carefully inspect the gas burner see Fig 17 for dirt rust or scale Then inspect the elbow flue 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 furnace If rusty j
12. who follows the directions is found on this and the following pages However before beginning mainte nance 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 handling 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 automatically 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 fil ter that was originally supplied 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 is located in the factory supplied filter cabinet attached to the side or bottom of the blower cabinet If air filter has been installed in another location con
13. y remov 5 The gas valve will have a control switch to turn off and on Turn the control switch on the gas valve to the OFF position and wait 5 min utes See Fig 9 6 After waiting 5 minutes turn the control switch on the gas valve to the ON position See Fig 10 7 Replace the outer door using two screws See Fig 11 8 Turn ON the electrical supply to the furnace See Fig 12 9 Open the external manual gas valve See Fig 13 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 igniter will energize When hot the igniter will have an orange glow 10 lockout If lockout occurs or the blower doesn t come on shut down your furnace and call your dealer for service 12 Set your thermostat to the tempera ture that satisfies your comfort re guirements SUGGESTION Setting the thermostat back a few degrees and compensating for the difference with warmer clothing can make a big difference in your fuel consumption on extremely cold days 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 be switched on automatically When the room temperature reaches the degree selected on the thermostat the
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