Bryant GAS-FIRED AIR CONDITIONER 454 Specifications

Packaged Gas/ElectricRooftop UnitsPrecedent™3 - 10 Tons — 60 HzRT-PRC006-ENOctober 2004

RT-PRC006-EN10Through the Base Electrical withDisconnect SwitchFactory installed 3-pole, molded case,disconnect switch with provisions forthrough the

TraneA business of American Standard Companieswww.trane.comFor more information contact your local dealer(distributor), local district office, or e-ma

11RT-PRC006-ENApplicationConsiderationsApplication of this product should bewithin the cataloged airflow and coolingconsiderations.Low Ambient Cooling

RT-PRC006-EN12SelectionProceduresHeating CapacityStep 1 — Calculate the building heatingload using the Trane calculation form orother standard accepte

13RT-PRC006-ENSelectionProcedureDehumidification SelectionTypical 10 ton YHC120A3200 cfm Total Supply airflow1280 cfm Outside Air (40%)1920 cfm Return

RT-PRC006-EN14ModelNumberDescriptionDIGIT 1 - Unit FunctionY = DX Cooling, Gas HeatDIGIT 2 - EfficiencyS = Standard EfficiencyH = High EfficiencyDIGIT

15RT-PRC006-ENGeneralData(3 - 4 Tons)Standard EfficiencyTable GD-1 — General Data3 Ton Convertible Units 4 Ton Convertible UnitsYSC036A1 YSC03

RT-PRC006-EN16Table GD-1 — Continued3 Ton Convertible Units 4 Ton Convertible UnitsYSC036A1 YSC036A3, A4, AW YSC048A1 YSC048A3, A4, AWBelt Driv

17RT-PRC006-EN (5 - 6 Tons) Standard EfficiencyTable GD-2 — General Data5 Ton Convertible 6 Ton ConvertibleYSC060A1 YSC060A3, A4, AW, AK YSC072A3,

RT-PRC006-EN18 (5 - 6 Tons) Standard EfficiencyTable GD-2 — Continued5 Ton Convertible 6 Ton ConvertibleYSC060A1 YSC060A3, A4, AW, AK YSC072A3, A4,

19RT-PRC006-ENTable GD-3 — General Data7½ Ton Convertible 8½ Ton ConvertibleSingle Compressor Dual CompressorYSC090A3, A4, AW, AK YSC092A3, A4, AW Y

© 2004 American Standard Inc. All rights reservedRT-PRC006-ENIntroductionPackaged RooftopAir ConditionersThrough the years, Trane has designedand deve

RT-PRC006-EN20Table GD-3 — Continued7½ Ton Convertible 8½ Ton ConvertibleSingle Compressor Dual CompressorYSC090A3, A4, AW, AK YSC092A3, A4, AW YSC1

21RT-PRC006-ENTable GD-4 — General Data10 Ton ConvertibleYSC120A3, A4, AW, AKCooling Performance1Gross Cooling Capacity 118,000EER210.28Nominal CFM /

RT-PRC006-EN22(10 Tons)Standard EfficiencyTable GD-4 — Continued10 Ton ConvertibleYSC120A3, A4, AW, AKOutdoor Fan - Type PropellerNo. Used/Diameter (

23RT-PRC006-EN(3 - 4 Tons)High EfficiencyTable GD-5 — General Data3 Ton Convertible Units 4 Ton Convertible UnitsYHC036A1, A3, A4, AW YHC048A1, A3

RT-PRC006-EN24Table GD-5 — Continued3 Ton Convertible Units 4 Ton Convertible UnitsYHC036A1, A3, A4, AW YHC048A1, A3, A4, AWDirect Drive Indoor Fa

25RT-PRC006-EN(5 - 6 Tons)High EfficiencyTable GD-6 — General Data5 Ton Convertible Units 6 Ton Convertible UnitsYHC060A1 YHC060A3, A4, AW YHC072A3,

RT-PRC006-EN26(5 - 6 Tons)High EfficiencyTable GD-6 — Continued5 Ton Convertible Units 6 Ton Convertible UnitsYHC060A1 YHC060A3, A4, AW YHC072A3, A4,

27RT-PRC006-EN(7½ - 10 Tons)High EfficiencyGeneralDataTable GD-7 — General Data7½ Ton Convertible 8½ Ton Convertible 10 Ton ConvertibleYHC092A3, A4, A

RT-PRC006-EN28(3 Ton)Standard EfficiencyPerformanceDataTable PD-1 — Gross Cooling Capacities (MBH) 3 Ton Single/Three Phase YSC036A1, A3, A4, AWAmbien

29RT-PRC006-ENPerformanceData(4 Ton)Standard EfficiencyTable PD-3 — Gross Cooling Capacities (MBH) 4 Ton Three Phase YSC048A3, A4, AWAmbient Temperatu

3ContentsRT-PRC006-ENIntroductionFeatures and BenefitsApplication ConsiderationsSelection ProcedureModel Number DescriptionGeneral DataPerformance Dat

RT-PRC006-EN30PerformanceData(5 - 6 Ton)Standard EfficiencyTable PD-4 — Gross Cooling Capacities (MBH) 5 Ton Single/Three Phase YSC060A1,A3,A4,AW, AKA

31RT-PRC006-ENTable PD-6 — Gross Cooling Capacities (MBH) 7½ Ton Single Compressor Three Phase YSC090A3,A4,AW, AKAmbient Temperature (F)85 95 105 1

RT-PRC006-EN32(8½ - 10 Ton)Standard EfficiencyPerformanceDataTable PD-8 — Gross Cooling Capacities (MBH) 8½ Ton Three Phase YSC102A3, A4, AW, AKAmbie

33RT-PRC006-ENPerformanceData(3 - 4 Tons)High EfficiencyTable PD-11— Gross Cooling Capacities (MBH) 4 Ton YHC048A1, A3, A4, AWAmbient Temperature (F

RT-PRC006-EN34PerformanceData(5 Ton)High EfficiencyTable PD-12 — Gross Cooling Capacities (MBH) 5 Ton Single Phase YHC060A1Ambient Temperature (F)85

35RT-PRC006-ENPerformanceData(6 - 7½ Ton)High EfficiencyTable PD-14 — Gross Cooling Capacities (MBH) 6 Ton Three Phase YHC072A3,A4,AWAmbient Tempera

RT-PRC006-EN36PerformanceData(8½ - 10 Ton)High EfficiencyTable PD-16 — Gross Cooling Capacities (MBH) 8½ Ton Three Phase YHC102A3,A4,AWAmbient Temper

37RT-PRC006-ENPerformanceData(3 - 5 Tons)Standard EfficiencyTable PD-18 — Direct Drive Evaporator Fan Performance 3, 4 , and 5 Ton YSC036A, YSC048A, Y

RT-PRC006-EN38PerformanceData(3 - 5 Tons)Standard EfficiencyTable PD-19 — Direct Drive Evaporator Fan Performance 3, 4 and 5 Ton YSC036A, YSC048A, YS

39RT-PRC006-ENPerformanceData(3 Ton)Standard EfficiencyFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

RT-PRC006-EN4Features andBenefitsFactory Installed Options• Black Epoxy Pre-Coated Coils• Dehumidification Option• High Pressure Cutout• Hinged Access

RT-PRC006-EN40PerformanceData(3 Ton)Standard EfficiencyFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

41RT-PRC006-EN(4 Ton)Standard EfficiencyPerformanceDataFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

RT-PRC006-EN42PerformanceData(4 Ton)Standard EfficiencyFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

43RT-PRC006-ENPerformanceData(5 Ton)Standard EfficiencyFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

RT-PRC006-EN44(5 Ton)Standard EfficiencyPerformanceDataFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

45RT-PRC006-ENFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure drop due to standard filters and wet coils.N

RT-PRC006-EN46PerformanceData(6 Ton)Standard EfficiencyTable PD-35 — Belt Drive Evaporator Fan Performance — 6 Ton — YSC072AK *H— High Heat — Downflo

47RT-PRC006-ENPerformanceData(6 Ton)Standard EfficiencyFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

RT-PRC006-EN48(6 Ton)Standard EfficiencyPerformanceDataFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dro

49RT-PRC006-EN(7½ Ton)Standard EfficiencyPerformanceDataFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dr

5RT-PRC006-ENFeatures andBenefitsEasy to Install, Service andMaintainBecause today’s owners are very cost-conscious when it comes to service andmainte

RT-PRC006-EN50(7½ Ton)Standard EfficiencyPerformanceDataTable PD-42 — ContinuedExternal Static Pressure (Inches of Water)1.10 1.20 1.30 1.40 1.50 1.60

51RT-PRC006-EN(7½ Ton)Standard EfficiencyPerformanceDataTable PD-44 — Belt Drive Evaporator Fan Performance — 7½ Ton — YSC090,092A3,A4,AW *M — Medium

RT-PRC006-EN52(8½ Ton)Standard EfficiencyPerformanceDataTable PD-46 — Belt Drive Evaporator Fan Performance — 8½ Ton — YSC102A3,A4,AW, AK *L,M — Low a

53RT-PRC006-EN(8½ Ton)Standard EfficiencyPerformanceDataTable PD-48 — ContinuedExternal Static Pressure (Inches of Water)1.10 1.20 1.30 1.40 1.50 1.60

RT-PRC006-EN54(10 Ton)Standard EfficiencyPerformanceDataFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure dr

55RT-PRC006-EN(10 Ton)Standard EfficiencyPerformanceDataTable PD-52 — Belt Drive Evaporator Fan Performance — 10 Ton — YSC120A3,A4,AW, AK *L,M — Low a

RT-PRC006-EN56(3 - 5 Tons)High EfficiencyPerformanceDataTable PD-54— Direct Drive Evaporator Fan Performance 3, 4 and 5 Ton YHC036A**L,M, YHC048A**L,M

57RT-PRC006-ENPerformanceData(3 - 5 Tons)High EfficiencyTable PD-55 — Direct Drive Evaporator Fan Performance 3, 4 and 5 Ton YHC036A**H, YHC048A**H, Y

RT-PRC006-EN58PerformanceData(3 Ton)High EfficiencyTable PD-57— Belt Drive Evaporator Fan Performance — 3 Ton — YHC036A3,A4,AW*H — High Heat —Downflow

59RT-PRC006-EN(3 Ton)High EfficiencyPerformanceDataTable PD-58 — ContinuedExternal Static Pressure (Inches of Water)1.10 1.20 1.30 1.40 1.50CFM RPM BH

RT-PRC006-EN6Features andBenefitsBlack Epoxy Pre-Coated CoilsThe pre-coated coils are an economicaloption for protection in mildly corrosiveenvironmen

RT-PRC006-EN60PerformanceData(4 Ton)High EfficiencyTable PD-60 — Belt Drive Evaporator Fan Performance — 4 Ton — YHC048A3,A4,AW*L,M — Low and Medium H

61RT-PRC006-EN(4 Ton)High EfficiencyPerformanceDataTable PD-62— Belt Drive Evaporator Fan Performance — 4 Ton — YHC048A3,A4,AW*L,M — Low and Medium He

RT-PRC006-EN62PerformanceData(5 Ton)High EfficiencyTable PD-64 — Belt Drive Evaporator Fan Performance — 5 Ton — YHC060A3,A4,AW*L,M — Low and Medium H

63RT-PRC006-ENPerformanceData(5 Ton)High EfficiencyTable PD-66 — ContinuedExternal Static Pressure (Inches of Water)1.10 1.20 1.30 1.40CFM RPM BHP RPM

RT-PRC006-EN64PerformanceData(6 Ton)High EfficiencyTable PD-69 — Belt Drive Evaporator Fan Performance — 6 Ton — YHC072A3,A4,AW*H — High Heat — Downfl

65RT-PRC006-ENPerformanceData(6 Ton)High EfficiencyTable PD-70 — ContinuedExternal Static Pressure (Inches of Water)1.10 1.20 1.30 1.40 1.50 1.60 1.70

RT-PRC006-EN66PerformanceData(7½ Ton)High EfficiencyFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure drop d

67RT-PRC006-ENPerformanceData(7½ Ton)High EfficiencyTable PD-74 — Belt Drive Evaporator Fan Performance — 7½-Ton — YHC092A3,A4,AW *L,M — Low and Mediu

RT-PRC006-EN68PerformanceData(8½ Ton)High EfficiencyTable PD-76— Belt Drive Evaporator Fan Performance — 8½-Ton — YHC102A3,A4,AW *L — Low Heat — Downf

69RT-PRC006-ENPerformanceData(8½ Ton)High EfficiencyTable PD-78 — Belt Drive Evaporator Fan Performance — 8½-Ton — YHC102A3,A4,AW *H — High Heat — Dow

7RT-PRC006-ENFeatures andBenefitsFoil-Faced InsulationAll panels in the evaporator section of theunit have cleanable foil-faced insulation.All edges a

RT-PRC006-EN70PerformanceData(8½ Ton)High EfficiencyTable PD-80 — Belt Drive Evaporator Fan Performance — 8½-Ton — YHC102A3,A4,AW *M — Medium Heat — H

71RT-PRC006-ENPerformanceData(10 Ton)High EfficiencyFor Standard Evaporator Fan Speed (RPM), reference Table PD-86.Notes:Data includes pressure drop d

RT-PRC006-EN72PerformanceData(10 Ton)High EfficiencyTable PD-84 — Belt Drive Evaporator Fan Performance — 10-Ton — YHC120A3,A4,AW *L,M — Low and Mediu

73RT-PRC006-EN* Indicates both standard and high efficiency units.*Indicates both ReliaTel and Electromechanical controls.PerformanceDataTable PD-86—

RT-PRC006-EN74PerformanceDataTable PD-89 — Static Pressure Drops Through Accessories (Inches Water Column)Economizer with OA/RA Dampers2Unit Standard

75RT-PRC006-ENPerformanceDataTable PD-91 — Gas-Fired Heating CapacitiesUnit Heating Heating Air Temp.Tons Efficiency Model No. Input MBH1Output MBH1Ri

RT-PRC006-EN76Table PD-92— Hot Gas Reheat Temperature Rise3SCFM Leaving Evaporator Dry Bulb [F]Tons SCFM 35 40 45 50 55 60 65960 17.6 17.3 17.0 16.6 1

77RT-PRC006-ENControlsReliaTel™ Controlled UnitsZone Sensors are the buildingoccupant’s comfort control devices forPrecedent™ units with the Micro con

RT-PRC006-EN78ControlsConventional ThermostatsThe building occupant’s comfort controldevices for electromechanicallycontrolled units.Manual Changeover

79RT-PRC006-ENElectricalData(Standard Efficiency)Table ED-1 — Unit Wiring - Standard Efficiency Standard Indoor Fan Motor Oversize Indoor

RT-PRC006-EN8Features andBenefitsTool-less Hail GuardsTool-less, hail protection quality coilguards shall be either factory or field-installed for con

RT-PRC006-EN80ElectricalData (High Efficiency)Table ED-2 — Unit Wiring - High Efficiency Standard Indoor Fan Motor Oversize Indoor Fan Mo

81RT-PRC006-ENTable ED-3 — Electrical Characteristics — Evaporator Fan Motors — Direct DriveStandard Evaporator Fan Motor Oversized Evaporator Fan Mot

RT-PRC006-EN82ElectricalData (Standard Efficiency)Table ED-5 — Electrical Characteristics — Compressor Motor And Condenser Motor — Standard Efficiency

83RT-PRC006-ENElectricalDataTable ED-6 — Electrical Characteristics — Compressor Motor And Condenser Motor — High EfficiencyCompressor Motor Condense

RT-PRC006-EN84ElectricalDataTable ED-7 — Electrical Characteristics — Inducer MotorUnitModel No. Stages HP RPM Volts Phase LRAY*C036-060A 1 1/35 3000

85RT-PRC006-ENJobsiteConnectionsFor specific wiring information, see the installation instructions.All wiring except power wires is low voltage.All cu

RT-PRC006-EN86DimensionalDataAll dimensions are in inches/millimeters.17753, 4, and 5 Ton Standard Efficiency — Low and Medium Heat3 and 4 Ton High E

87RT-PRC006-ENAll dimensions are in inches/millimeters.DimensionalData3-5 Tons — Downflow Airflow Supply and Return;Through the Base Utilities3-5 Tons

RT-PRC006-EN88DimensionalData3-5 Tons — Downflow Duct Connections —Field Fabricated(3 - 5 Tons)All dimensions are in inches/millimeters.3-5 Tons— Roof

89RT-PRC006-ENDimensionalData (6 - 10 Tons)6 Ton Standard and High Efficiency7½ Ton Standard EfficiencyAll dimensions are in inches/millimeters.7½ T

9RT-PRC006-ENFeatures andBenefitsEasy to InstallConvertible Units–The units ship in a downflowconfiguration. They can be easilyconverted to horizontal

RT-PRC006-EN90(6 - 10 Tons)DimensionalDataAll dimensions are in inches/millimeters.6-10 Tons — Downflow Airflow Supply and Return;Through the Base Uti

91RT-PRC006-ENDimensionalData (6 - 10 Tons)All dimensions are in inches/millimeters.6-10 Tons — Roof Curb6-10 Tons — Downflow DuctConnections — Field

RT-PRC006-EN92DimensionalData(3 - 5 Tons) Options/Accessories3-5 Tons — Economizer, Manual, or Motorized Damper Hood3-5 Tons — Barometric Relief Dampe

93RT-PRC006-ENDimensionalData(6 - 10 Tons) Options/Accessories6-10 Tons — Height of Gas Pipe requiredfrom Inside Base of Unit to Gas Shut offassembly

RT-PRC006-EN94WeightsTable W-1 — Maximum Unit And Corner Weights (Lbs) And Center Of Gravity Dimensions (In.)Unit Maximum Weights (Lbs)2Corner Weights

95RT-PRC006-ENMechanicalSpecificationsGeneralThe units shall be convertible airflow.The operating range shall be between115°F and 0°F in cooling as st

RT-PRC006-EN96MechanicalSpecificationsFactory Installed OptionsBlack Epoxy Pre-Coated CoilsThe black epoxy coils have a thermosetvinyl coating that is

97RT-PRC006-ENMechanicalSpecificationsThrough the Base Electrical with CircuitBreaker This option is a thermal magnetic, moldedcase, HACR Circuit Brea

RT-PRC006-EN98MechanicalSpecificationsField Installed OptionsCO2 SensingThe CO2 sensor shall have the ability tomonitor space occupancy levels withint

99RT-PRC006-EN