Upflow/ DownflowHorizontal Right or LeftGas-Fired FurnaceFreedom 80AUD2A040A9242A, AUD2A060A9362A,AUD2B060A9362A, AUD2B080A9362A,AUD2B080A9482A, AUD2B

10 12-1263-02GeneralDataADD2 Product Specifications 1MODELRATINGS21st Stage Input BTUH1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH2nd Stage Cap

12-1263-02 11ADD2 Product Specifications 1MODELRATINGS21st Stage Input BTUH1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH2nd Stage Capacity BTUH

12 12-1263-02PerformanceDataAUD2FURNACE AIRFLOW (CFM) VS. EXTERNAL STATIC PRESSURE (IN. W.C.)MODEL SPEED TAP 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0

12-1263-02 13PerformanceDataCFM VS. TEMPERATURE RISEMODELCFM (CUBIC FEET PER MINUTE)500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800

14 12-1263-02PerformanceDataADD2FURNACE AIRFLOW (CFM) VS. EXTERNAL STATIC PRESSURE (IN. W.C.)MODEL SPEED TAP 0.10 0.20 0.30 0.40 0.50 0.60 0.70 0.80 0

12-1263-02 15ElectricalDataFrom Dwg. D342940P01AUD2 Schematic Diagrams For Gas Furnaces

16 12-1263-02ElectricalDataFrom Dwg. D342941P01ADD2 Schematic Diagrams For Gas Furnaces

12-1263-02 17FieldWiringSEE NOTE 6From Dwg. B342021 Rev. 02 STAGE FURNACETWINSEE NOTE 7OUTDOOR UNIT (NO TRANSFORMER)SEE NOTE 8B/CB/CTO 115 V 1 PH.,60

18 12-1263-02FieldWiringSEE NOTE 6From Dwg. B342024 Rev. 02 STAGE FURNACETWINSEE NOTE 7B/CB/CTO 115 V 1 PH.,60 HZ., POWERSUPPLY PERLOCAL CODESHUM SEEN

12-1263-02 19TwinningField WiringTWINTWINTWINNING CONNECTION DIAGRAMFOR TWINNING UD/DD-R FURNACES1 STAGE HEAT / 1 STAGE COOLING THERMOSTAT1 STAGEHEATI

© 2009 American Standard Heating & Air Conditioning 2 12-1263-02GeneralFeaturesNatural Gas ModelsCentral heating furnace designs arecertified by t

20 12-1263-02TWINTWINTWINNING CONNECTION DIAGRAMFOR TWINNING UD/DD-R FURNACES2 STAGE HEAT / 2 STAGE COOLING THERMOSTAT2 STAGE HEATING2 STAGE COOLINGTH

12-1263-02 21AUD2 OUTLINE DRAWING(ALL DIMENSIONS ARE IN INCHES)DimensionsFrom Dwg. 21C341699 Sh. 1 Rev. 4MODEL DIM "A" DIM "B" DIM

22 12-1263-02ADD2 OUTLINE DRAWING(ALL DIMENSIONS ARE IN INCHES)DimensionsFrom Dwg. 21C341700 Sh. 1 Rev. 0MODEL DIM "A" DIM "B" DIM

Notes12-1263-02 23

04/09American Standard Heating & Air Conditioning has a policy of continuous product and product data improve-ment and it reserves the right to ch

12-1263-02 3ContentsGeneral Features 2Features and Benefits 4Standard Equipment 4Optional Equipment 5General Data 6AUD2A040A9242A 6AUD2A060A9362A 6AUD

4 12-1263-02Features andBenefits• Convertible to horizontal with left orright airflow• Power supply 115/1/60• 2-stage gas valve• 2-speed venter• 2 hea

12-1263-02 5Optional EquipmentOPTIONAL EQUIPMENT FOR CONDENSING UNITS (Check mark [✓✓✓✓✓] indicates accessories included).Comfort Control, Mechanical

6 12-1263-02GeneralDataAUD2 Product Specifications 1MODELRATINGS21st Stage Input BTUH1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH2nd Stage Capa

12-1263-02 7AUD2 Product Specifications 1MODELRATINGS21st Stage Input BTUH1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH2nd Stage Capacity BTUH (

8 12-1263-02GeneralDataAUD2 Product Specifications 1MODELRATINGS21st Stage Input BTUH1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH2nd Stage Capa

12-1263-02 9ADD2 Product Specifications 1MODELRATINGS21st Stage Input BTUH1st Stage Capacity BTUH (ICS)32nd Stage Input BTUH2nd Stage Capacity BTUH (