Trane Electric Unit Heaters Parts List

Electric Unit HeatersUH-PRC003-ENAugust 2005Model UHECModel UHXAModel UHWAModel UHAAModel UHRAModel UHCA

UH-PRC003-EN10Features andBenefitsModel UHWASeries 20 and 50•Architecturally styled andvandal- resistant for schools, churches,stores, office building

11UH-PRC003-ENFeatures andBenefitsModel UHCASeries 70 and 80Series 70 and 80 Features•Crisp, unique styling to blend into anyarchitectural design — un

UH-PRC003-EN12Features andBenefitsModel UHAASeries 3320Architectural Quality•Built - in tamper resistant thermostat•Built - in tamper resistant discon

13UH-PRC003-ENApplicationConsiderationsModel UHXAAbbreviated descriptions of UL classes,groups and divisions. Before selecting anyheater for a particu

UH-PRC003-EN14SelectionProcedureModel UHEC, UHRA, UHXA, UHWA,UHCA, UHAACalculate the heating loads using theNEMA, ASHRAE, or other acceptedheating loa

15UH-PRC003-ENModel NumberDescriptionModel UHXADigits 1-3 —Electric Explosion-ProofUnit HeaterDigit 4 — Development SequenceDigits 5-6 — Unit Capacity

UH-PRC003-EN16Model NumberDescriptionModel UHWAModel UHWADigits 1-3: Unit TypeUHW = Electric Wall Mounted Unit HeaterDigit 4: Development SequenceDigi

17UH-PRC003-ENModel UHCADigit 1-3: Unit TypeUHC = Electric Ceiling Mounted CommercialHeaterDigit 4: Development SequenceDigits 5-6: Unit Capacity02 =

UH-PRC003-EN18Model UHAAModel NumberDescriptionModel UHAADigit 1 - 3: Unit TypeUHA = Electric Architectural Wall HeaterDigit 4: Development SequenceDi

19UH-PRC003-ENTable GD-1 — Model UHECElectrical Data Air Delivery DataElement Min. Supply Airflow Approx. Horiz. Rec. Max.Unit Capacity and Std. Max

© 2005 American Standard Inc. All rights reserved.UH-PRC003-ENIntroductionIntroductionElectric unit heaters have been a traditional means of heating h

UH-PRC003-EN20General Data Model UHECTable GD-2 — Model UHEC — MetricUnit Heater Airflow Approx. Horiz. Rec. MaxCapacity at Air Rise Air MountingkW Mo

21UH-PRC003-ENGeneral Data Model UHRATable GD-3 — Model UHRAUnit Motor &Model Heater MaxNumber kW Volts/ Control Amp Motor MotorUHRA Rating Btu/Hr

UH-PRC003-EN22Table GD-5 — Air Delivery CharacteristicsVelocity of Air Movement (FPM)Heater Distance from HeaterCapacity 6 Ft. 12 Ft. 24 Ft. Throw(kW

23UH-PRC003-ENGeneral DataModel UHXATable GD-8 — Model UHXAAir Temp. Air Temp. Max Min*Model No. Volts/ Motor Heater Line BTU/ Rise Rise Min. Cir. Fus

UH-PRC003-EN24General Data Model UHXATable GD-9 — Model UHXA with 120 Volt Control VoltageAir Temp. Air Temp. Max Min*Model No. Volts/ Motor Heater Li

25UH-PRC003-ENGeneral Data Model UHXATable GD-11 — Model UHXAUnit Size 3 kW, 5 kW & 7.5 kW 10 kW 15 kW, 20 kW & 25 kWCapacities 3 kW 10,236 Bt

UH-PRC003-EN26Model UHWASeries 20 and 50General DataTable GD-12 — Electric Wall-Mounted Unit Heaters — Series 20Model No. Order No. Element Element Sh

27UH-PRC003-ENGeneral DataTable GD-15 — Series 80 Electric Ceiling Recessed HeatersModel Order ElementNo. No. + Motor Element Mounting Amp *Degree F *

UH-PRC003-EN28General DataTable GD-16 – Electrical Specifications and Ordering InformationUnit No. Volts kW Watts Btu/Hr Output Wgt Lbs Wgt KgUHAA151E

29UH-PRC003-ENControl Wiring Model UHXAThe Trane heaters have been designedfor explosion-proof service with singleand 3-phase inputs of 208, 240, 480

3ContentsUH-PRC003-ENIntroductionFeatures and BenefitsApplication ConsiderationsSelection ProcedureModel NumberGeneral DataControl WiringDimensional D

UH-PRC003-EN30ControlsControl SystemsType of Control WD Heater TypeBuilt-in thermostat control 1 20 & 50 (1)Wall mounted thermostat, heater voltag

31UH-PRC003-ENControl WiringOptional Control Systems• Heaters operated from wall mounted,line voltage, heavy-duty thermostats.• Direct Line Voltage. M

UH-PRC003-EN32CEILINGABCAHEATERDimensionalDataModel UHECUnit Casing (Inches)Unit Size H W D3.3-5 17 3/4 (451) 14 15/32 (368) 6 1/2 (165)7.5-10 24 5/16

33UH-PRC003-ENDimensionalDataModel UHECLouver Cone Diffuser Dimensions, in. (mm)Unit Size P R S T03 & 05 N/A N/A N/A N/A07 & 10 11 5/8 (295.3)

UH-PRC003-EN34DimensionalDataModel UHRA Dimensions, in. (mm)Unit Size A B C D E F G H03,05,07 12” (305) 18” (457) 19 3/4” (502 15 1/4” (387) 16 1/2”

35UH-PRC003-ENDimensionalDataModel UHXAUnit CSize A B 3 PH. 1 PH. D E F G3-5 7.5 kW (450.9) (568.3) (501.7) (523.9) (412.8) (266.7) (355.6) (76.2)10

UH-PRC003-EN36DimensionalDataModel UHWASeries 20 and 50Control System WiringDiagramsTypical Heater Element, Motor, “Zero Voltage Reset” ThermalCutoutD

37UH-PRC003-ENDimensionalDataModel UHCASeries 70 and 80Series 70 — Surface MountedSeries 70 — Surfaced DetailsSeries 80 — RecessedMountedNote: Dimensi

UH-PRC003-EN38DimensionalDataModel UHAASeries 3320Dimensions are shown in inches (mm)

39UH-PRC003-ENOptions Model UHECDust ShieldHorizontalHeater andUsed On Wall Brackets Dust Shield3.3 kW A5105 DS51057.5 kW to 20.0 kW A5120 DS512025.0

UH-PRC003-EN4Features andBenefitsModel UHECElectric Unit Heaters•Thirty-seven models to choose fromranging from 3.3 to 50 kW. Available for208, 240/20

UH-PRC003-EN40Model UHRA•Remote 24-volt thermostat•Stainless steel wall/ceiling mountingbracket (3.3-15 kW)•Cast iron painted mounting bracketavailabl

41UH-PRC003-ENOptions Model UHXAMounting Bracket KitsTrane makes three mounting kitsavailable — the HLPM Pipe MountingBracket, the HLHM Ceiling Mounti

UH-PRC003-EN42MechanicalSpecificationsModel UHECHeaters shall be installed and wired inaccordance with the manufacturer’srecommendations and applicabl

43UH-PRC003-ENMechanicalSpecificationsModel UHRAHeaters shall be installed and wired inaccordance with the manufacturersrecommendations and applicable

UH-PRC003-EN44Heaters shall be installed and wired inaccordance with the manufacturer’srecommendations and applicablenational and local codes for use

45UH-PRC003-ENMechanicalSpecificationsModel UHWASeries 20 and 50Contractor shall supply and installheavy-duty, wall-mounted forced-airelectric unit he

UH-PRC003-EN46MechanicalSpecificationsModel UHCASeries 70 and 80Contractor shall supply and installheavy duty ceiling-mounted forced-airelectric heate

47UH-PRC003-ENMechanicalSpecificationsModel UHAASeries 3320Furnish and install heavy-duty forcedair wall heaters, Series 3320 wherespecified. Heaters

TraneA Business of American Standard Companieswww.trane.comFor more information contact your local districtoffice or e-mail us at [email protected]

5UH-PRC003-ENFeatures andBenefitsModel UHECMounting the unit is easily accomplishedwith the use of hanger rods connected toweld nuts on the unit casin

UH-PRC003-EN6Features andBenefitsModel UHRAHose-Down Electric Unit HeatersTrane UHRA hose-down electric unitheaters are constructed for use in areasth

7UH-PRC003-ENFeatures andBenefitsModel UHXATrane Explosion-ProofElectric Unit HeatersPressure Relief ValveRated at 200 PSISpiral Aluminum Finned Tubul

UH-PRC003-EN8Features andBenefitsModel UHXALiquid to air heat exchanger with lowwatt density heating elements inethylene glycol solution that provides

9UH-PRC003-ENFeatures andBenefitsModel UHWASeries 20 and 50Heavy-Duty Wall HeatersTrane heavy-duty wall mounted electricforced-air unit heaters arearc