Trane RT-PRC007-EN manual Table PD-12 Supply Fan Performance 27½ 35Ton, Static Pressure in. wg1

Page 23

Performance

Data

Table PD-12 — Supply Fan Performance — 27½ - 35Ton

Static Pressure (in. wg)1

 

0.25

 

0.50

 

0.75

 

1.00

 

1.25

 

1.50

1.75

 

2.00

2.25

 

SCFM

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

RPM

BHP

8000

341

1.39

401

1.85

451

2.30

501

2.84

552

3.45

599

4.11

644

4.80

686

5.51

726

6.24

8500

355

1.60

412

2.08

462

2.58

508

3.09

556

3.71

602

4.38

646

5.09

688

5.83

728

6.59

9000

368

1.84

423

2.35

473

2.88

516

3.39

561

4.00

606

4.68

649

5.41

691

6.16

730

6.94

9500

382

2.10

435

2.64

484

3.20

526

3.73

568

4.32

611

5.00

653

5.74

694

6.51

732

7.31

10000

396

2.39

448

2.96

495

3.53

537

4.12

576

4.69

616

5.36

657

6.11

697

6.89

735

7.71

10500

410

2.71

461

3.31

506

3.89

549

4.53

585

5.10

623

5.76

662

6.50

701

7.30

738

8.13

11000

425

3.07

474

3.68

518

4.29

560

4.95

597

5.57

631

6.20

668

6.93

705

7.73

742

8.58

11500

440

3.46

488

4.08

530

4.72

571

5.39

608

6.08

641

6.71

676

7.41

711

8.20

747

9.06

12000

455

3.89

501

4.52

542

5.19

582

5.86

619

6.60

652

7.27

684

7.95

718

8.73

752

9.57

12500

470

4.34

515

4.98

555

5.69

593

6.38

630

7.13

664

7.87

694

8.55

726

9.30

758

10.14

13000

485

4.84

528

5.47

569

6.23

605

6.94

641

7.69

675

8.49

706

9.21

734

9.93

765

10.76

13500

501

5.36

542

6.00

582

6.79

617

7.54

652

8.29

686

9.12

717

9.91

745

10.65

774

11.43

14000

516

5.91

555

6.58

595

7.40

630

8.18

664

8.95

697

9.78

729

10.64

757

11.42

784

12.19

14500

532

6.51

570

7.20

609

8.04

643

8.85

676

9.65

708

10.48

740

11.38

768

12.22

795

13.02

Notes:

1.Fan performance table includes internal resistances of cabinet, and 2” standard filters. For other components refer to component static pressure drop table. Add the pressure drops from any additional components to the duct (external) static pressure, enter the table, and select motor bhp.

2.The pressure drop from the supply fan to the space cannot exceed 2.25”.

3.Maximum air flow for 27½ ton — 12,100 cfm, 30 ton — 13,200 cfm, 35 ton — 14,400 cfm.

4.Maximum motor horsepower for 27½ ton — 10 hp, 30 ton — 10 hp, 35 ton — 15 hp.

Figure PD-2

 

4.2

800 rpm

 

 

 

 

 

 

 

 

 

 

 

 

0% wocfm

 

 

 

 

 

 

 

 

 

 

 

 

3.8

 

 

 

 

 

 

 

 

 

 

 

 

 

3.4

750 rpm

 

 

 

 

15 HP

 

 

 

 

 

H2O

 

700 rpm

 

 

 

 

 

50% wocfm

 

 

 

 

3.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10 HP

 

 

 

 

 

 

 

 

650 rpm

 

 

 

 

 

 

 

 

 

 

in.

 

 

 

 

 

 

60% wocfm

 

 

 

 

 

 

 

 

 

 

 

 

 

2.6

 

 

 

 

 

 

 

 

 

 

 

 

PRESSURE,

 

 

 

 

 

 

 

 

 

 

 

 

2.2

600 rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.5 HP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.8

550 rpm

 

 

 

 

 

 

 

70% wocfm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STATIC

 

 

 

 

 

 

 

 

 

 

 

 

 

500 rpm

 

 

5 HP

 

 

 

 

 

 

 

 

1.4

 

 

3 HP

 

 

 

 

 

 

 

 

 

 

450 rpm

 

 

 

 

 

 

 

 

 

 

 

 

1.0

 

 

 

 

 

 

 

80% wocfm

 

 

 

400 rpm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

90% wocfm

 

0.6

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.2

 

 

 

 

 

 

 

 

 

 

 

 

 

0

2000

4000

6000

8000

10000

12000

14000

16000

18000

20000

22000

24000

 

 

 

 

 

 

 

CFM

 

 

 

 

 

 

RT-PRC007-EN

 

 

 

 

 

 

 

 

 

 

 

23

Image 23
Contents Packaged Rooftop Air Conditioners American Standard Inc IntroductionContents Optional Features Features and BenefitsStandard Features LowTorque Variation Proven DesignThroughTesting and ResearchTrane 3-DScroll Compressor Simple Design with 70% Fewer PartsMicro Features BenefitsQuality and Reliability Micro ControlsFC Fans with Inlet GuideVanes RigorousTestingEase of Installation Single Point PowerValue Easy to ServiceVariTrac Altitude Corrections Application Recommendations Power Exhaust FanExhaust Air Options Barometric Relief DampersDuct Design Acoustical ConsiderationsClearance Requirements Supply Air Fan Selection ProcedureUnit Electrical Requirements Air Delivery ProcedureElectric Heating System Natural Gas Heating SystemModel Number Description Table GD-1 General Data 27 1/2 30 Tons General DataTable GD-2- General Data 35-40Ton Table GD-3- General Data 50Ton Table PD-3 Gas Heating Capacity Altitude Correction Factors Performance Adjustment FactorsTable PD-1- Enthalpy of Saturated AIR Table PD-5- 30Ton Gross Cooling Capacities Mbh Performance DataTable PD-4 27 1/2 Ton Gross Cooling Capacities MBh Table PD-7 40Ton Gross Cooling Capacities Mbh Table PD-6 35Ton Gross Cooling Capacities MbhTable PD-8 50Ton Gross Cooling Capacities MBh Table PD-11 Natural Gas Heating Capacities Table PD-9 Electric Heat AirTemperature RiseTable PD-10 Available Electric Heat KW Ranges Static Pressure in. wg1 Table PD-12 Supply Fan Performance 27½ 35TonTable PD-13 Supply Fan Performance 40 and 50Ton Gas Heat Electric Heat3 ID Coil Table PD-14 Component Static Pressure Drops in.W.G.1Heating System Filters2 Nominal Nominal Drive Table PD-15 Supply Air Fan Drive Selections20 HP Table PD-16- Power Exhaust Fan Performance VAV Units Only ControlsCV Units Only ConventionalThermostat Interface Unoccupied ZoneTemperature Control Cooling and HeatingSupply AirTempering Auto ChangeoverNight Setback Sensors Occupied/Unoccupied SwitchingFan Failure Switch Coil Freeze Protection FrostatSet 2. Rooftop units with Electric Heat Electrical Service SizingElectrical Data Table ED-2 27½-50Ton Electrical Service Sizing Data1 Figure DD-1 27 1/2 35Tons TC,TE,YC Low Heat Dimensional DataDimensional Data Figure DD-3 40-50Tons TC,TE,YC Low & High Heat Field Installed Sensors DimensionalConstant Integrated Comfort System Sensors CV and VAVTableW-4 Minimum Operating Clearances for Unit Installation WeightsTableW-2 Point Loading AverageWeight1 TableW-3 ComponentWeightsMechanical Specifications Unit Options Accessories LP Conversion Kit 20-60Ton File Number PL-RT-TC/TE/YC-27½ 50-TONS-PRC0007-EN-10-2001 Literature Order Number

RT-PRC007-EN specifications

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