Trane UH-PRC001-EN manual Selection Procedure, 2 Lbs. Steam 60 F Entering AirTemp

Page 16
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Selection

Procedure

Table SP-4 – Model S Horizontal Unit Heater Steam Capacities con’t

2 Lbs. Steam 60 F Entering AirTemp

 

Motor

Motor

BTU

 

Condensate

Final

CFM 70 F

Outlet

Oper.

Size

HP

RPM

Per Hour

EDR

Lbs Per Hr

Temp

Air Basis

Velocity

Weight

 

 

 

 

Low FinalTemp. “Bypass” Units

 

 

 

 

 

 

1050

19,300

80

20

106

390

220

 

 

19-S2

1/25

950

18,300

77

19

108

360

205

40

 

 

800

16,300

68

17

110

300

173

 

 

 

 

1550

30,400

127

31

104

635

359

 

 

31-S

1/20

1300

27,800

116

29

109

520

302

40

 

 

1100

25,300

106

26

112

450

257

 

 

 

 

1550

45,800

191

47

107

897

363

 

 

45-S

1/20

1300

41,300

173

43

112

740

304

55

 

 

1100

37,300

156

39

116

630

259

 

 

 

 

1550

53,300

223

55

105

1090

439

 

 

53-S

1/8

1300

50,200

209

52

109

940

383

55

 

 

1100

46,200

192

48

114

795

327

 

 

 

 

1550

69,400

290

72

108

1337

407

 

 

69-S

1/8

1300

63,400

264

66

112

1125

346

70

 

 

1100

57,600

240

60

116

955

295

 

 

 

 

1550

76,600

320

79

107

1510

458

 

 

77-S

1/8

1300

71,700

299

74

111

1304

300

80

 

 

1100

65,800

274

68

116

1100

341

 

 

91-S

1/6

1100

91,000

380

94

108

1740

394

95

127-S

1/6

1100

125,800

524

130

108

2440

448

135

137-S

1/4

1100

135,800

567

140

107

2700

495

135

181-S

1/4

1100

180,700

755

187

109

3392

430

180

207-S

1/2

1100

206,900

863

214

107

4059

514

185

243-S

1/2

1100

238,700

995

248

108

4607

439

230

273-S

1/2

1100

272,200

1135

283

105

5644

536

235

Notes:

1.Constant speed units are rated at capacities shown in regular type: Capacities in italic faced type apply only to units with multi-speed motors.

2.Capacities based on 2 psi steam and 60 F entering air.

16

UH-PRC001-EN

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Contents UH-PRC001-EN Propeller Unit Heaters/Unitary17.4 to 705.6 MBh OctoberIntroduction The Industrial Designed Model P Unit HeaterContents Features and BenefitsSelection Procedure Electric PowerFeatures and Benefits Put HeatWhere It’s NeededThe Model S Coil The Model P MotorCompact Design Rectangular Draw-ThruCoilsModel S Model PFeatures and Benefits External Couplings Features and BenefitsGeneral Rules Application ConsiderationsTypical Factory General Notes HotWater System - Using Circulating PumpApplication Considerations Vapor orVacuum System HotWater System with Circulating PumpApplication Considerations Figure AC-4 Figure AC-5 Figure AC-6Selection Procedure Trane Propeller Unit HeatersBTU Requirements Type of BuildingFormula Determining Special Steam CapacitiesUseful Data Equivalent Direct RadiationD BE Model S NomenclatureSelection Procedure Model S Model PSelection Procedure Table Based on 2 PSIG and 60 F Entering AirSelection Procedure 2 Lbs. Steam 60 F Entering AirTempSelection Procedure 2 Lbs. Steam 60 F Entering AirTempSelection Procedure Table SP-6- Maximum Spread FtAdditional Selection Data Model P NomenclatureMotor and Fan Speeds Selection ProcedureSelection Procedure HotWater Selection ExampleSelection Procedure StepCorrection Factors for Propylene Glycol/Water Propylene GlycolPropylene GlycolMODEL P UNIT HEATER Model Number DescriptionMotors Model Number Description D B EMotors Performance Data Performance Data WaterPerformance Data WaterPerformance Data WaterPerformance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data 117.6Performance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data WaterPerformance Data WaterPerformance Data WaterPerformance Data 115.1Performance Data WaterPerformance Data WaterPerformance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data Entering WaterTemperaturePerformance Data 100.1Performance Data Entering WaterTemperaturePerformance Data Entering WaterTemperatureElectric Power Electric Power AccessoryElectric Power ModelDimensions and Weights Figure DW-1Motor MountType-1 Motor MountType-2Dimensions and Weights Figure DW-2Dimensions and Weights In Dimensions Figure DW-4Figure DW-3 Table DW-4- Louver Cone Diffuser RoughingMechanical Specifications Model P GeneralCasing Model S GeneralPage NRTL/C TheTrane Company