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Bryant 312AAV/JAV instruction manual A10184

Models: 312AAV/JAV

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Table 15 – Orifice Size* and Manifold Pressures (In. W.C.) for Gas Input Rate

312AAV

A10184

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Bryant 312AAV/JAV instruction manual A10184

Contents

Installation, Start-up,Operating and Service and Maintenance Instructions Series 140/E312AAV/JAV 2-STAGEDELUXE, INDUCED COMBUSTION 4-WAYMULTIPOISE GAS FURNACETable 1 - Dimensions - In. mm Fig. 1 - Dimensional Drawing312AAV SAFETY CONSIDERATIONS INTRODUCTIONFURNACE RELIABILITY HAZARD CUT HAZARDFig. 2 - Clearances to Combustibles 312AAVELECTROSTATIC DISCHARGE ESD PRECAUTIONS PROCEDURE Step 1 - SafetyStep 2 - General Installation Step 6 - Gas Piping and Gas Pipe Pressure TestingLOCATION Fig. 4 - Multipoise OrientationsGENERAL CARBON MONOXIDE POISONING AND UNIT DAMAGE HAZARDFig. 5 - Installation in a Garage Fig. 6 - Prohibit Installation on BackAIR FOR COMBUSTION AND VENTILATION FIRE, INJURY OR DEATH HAZARDFURNACE CORROSION HAZARD CARBON MONOXIDE POISONING HAZARDOutdoor Combustion Air Method 312AAVIndoors OutdoorsCARBON MONOXIDE POISONING HAZARD INSTALLATION DOWNFLOW INSTALLATION HORIZONTAL INSTALLATIONFig. 9 - Removing Bottom Closure Panel Leveling Legs If DesiredFig. 11 - Floor and Plenum Opening Dimensions Installed on a Combustible FloorPlatform Furnace Support Roll-OutProtectionTable 4 - Opening dimensions - In. mm Fig. 14 - Duct FlangesUPFLOWDOWNFLOW HORIZONTAL 312AAVFig. 15 - Horizontal Unit Suspension Fig. 16 - Horizontal Suspension with Straps312AAV 1/4 6mm THREADED ROD 4 REQFig. 17 - Typical Attic Installation FILTER ARRANGEMENTAIR DUCTS General Requirements Ductwork Acoustical TreatmentTable 5 - Air Delivery - CFM With Filter 312AAVTable 5 - Air Delivery - CFM With Filter* Cont Downflow FurnacesReturn Air Connections GAS PIPING312AAV A02075A02163 A02162Table 6 - Maximum Capacity of Pipe FURNACE DAMAGE HAZARDFig. 21 - Burner and Manifold Fig. 22 - Typical Gas Pipe ArrangementFig. 23 - Field Wiring Diagram 115-VWIRINGELECTRICAL SHOCK AND FIRE HAZARD ELECTRICAL CONNECTIONSTable 7 - Electrical Data J-BOXRELOCATIONFig. 24 - Relocating J-Box ELECTRICAL CONNECTION TO J-BOXPOWER CORD INSTALLATION IN FURNACE J-BOX BX. CABLE INSTALLATION IN FURNACE J-BOX24-VWIRING 312AAVFig. 26 - Two-StageFurnace with Two-SpeedAir ConditionerDual Fuel and Single-SpeedHeat PumpFOR FIGURES and Two-SpeedHeat Pumpand Two-SpeedAir Conditioner 312AAVACCESSORIES VENTINGFig. 33 - Furnace Control-PSCBlower Motor 312AAVGENERAL VENTING REQUIREMENTS MASONRY CHIMNEY REQUIREMENTS312AAV CARBON MONOXIDE POISONING HAZARD312AAV Fig. 34 - Chimney Inspection ChartA10133 Installations with Type-B Double-WallVent Connectors ENFPA & AGAExterior Masonry Chimney FAN + NAT Thousands of BTUH per HourFig. 35 - Upflow Application-VentElbow Up ADDITIONAL VENTING REQUIREMENTSFig. 36 - Upflow Application-VentElbow Right 312AAVFig. 38 - Downflow Application-VentElbow Up 312AAV312AAV then Upthen Up VENTING NOTES FOR FIG 312AAVSTART-UP,ADJUSTMENT, AND SAFETY CHECK Step 1 - GeneralBURN HAZARD 312AAVStep 2 - Start-UpProcedures Step 3 - AdjustmentsFIRE AND EXPLOSION HAZARD UNIT DAMAGE HAZARDFig. 48 - Redundant Automatic Gas Control Valve Table 11 - Altitude Derate Multiplier for U.S.A312AAV 312AAV Fig. 49 - Orifice HoleELECTRICAL SHOCK HAZARD FURNACE OVERHEATING HAZARD Table 12 - Gas Rate cu ft. /hr312AAV Table 13 - Speed Selection 312AAVELECTRICAL SHOCK HAZARD FIRE HAZARDStep 4 - Check Safety Controls Step 5 - ChecklistFig. 50 - Amp. Draw Check with Ammeter 312AAV312AAV A10184312AAV A10184A312AAV A10185312AAV A10185ASERVICE AND MAINTENANCE PROCEDURES ELECTRICAL CONTROLS AND WIRINGStep 1 - Introduction FIRE, PERSONAL INJURY AND UNIT DAMAGE HAZARDStep 2 - Care and Maintenance Fig. 51 - Service LabelCARBON MONOXIDE POISONING AND FIRE HAZARD SERVICE312AAV Fig. 52 - Wiring DiagramA07125 CLEANING AND/OR REPLACING AIR FILTER Table 17 - Filter Size Information In. / MmBLOWER MOTOR AND WHEEL 312AAVCLEANING HEAT EXCHANGER Fig. 53 - Igniter Position-SideView312AAV UNIT DAMAGE HAZARDFig. 55 - Cleaning Heat Exchanger Cell Step 3 - Sequence of OperationFig. 54 - Igniter Position-TopView 312AAV312AAV See Fig. 23 or 32 for thermostat connections4.Thermidistat Mode a.Single-SpeedCooling312AAV Step 4 - Wiring Diagrams Step 5 - Troubleshooting5.Continuous Blower Mode 312AAVFig. 56 - Troubleshooting Guide - 2-Speed 312AAVKitAdapter Chimneyin usedswitch shutoffvent 312AAVBlocked A05001Table 18 - Accessory List 312AAVDESCRIPTION PART NUMBERPARTS REPLACEMENT INFORMATION GUIDE CASING GROUPGAS CONTROL GROUP ELECTRICAL GROUP