Performance Data

Evaporator Fan Performance, Low Static Fan Drive, 20 Tons

Table 25. Evaporator Fan Performance 20 Ton TWE240B - Air Handler

 

 

 

 

 

 

 

 

 

 

External Static Pressure (Inches of Water Gauge)

 

 

 

 

 

 

 

 

 

 

.10"

.20"

.30"

.40"

.50"

.60"

 

.70"

.80"

.90"

1.00"

CFM

RPM

BHP

 

 

RPM

BHP

 

 

RPM

BHP

 

RPM

BHP

 

RPM

BHP

 

RPM

BHP

RPM

BHP

 

RPM

BHP RPM BHP RPM BHP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 HP Standard Motor & Field Supplied Low Static Drive(i)

 

5 HP Standard Motor & Low Static Drive Kit

6400

 

 

 

 

 

570

1.41

612

1.57

654

1.7

696

1.83

 

743

2.06

781

2.25

808

2.4

835

2.55

 

 

 

6800

 

 

 

593

1.58

635

1.74

677

1.90

 

 

 

 

762

2.29

794

2.46

820

2.61

846

2.76

 

 

 

722

2.08

 

7200

 

 

 

 

 

615

1.75

657

1.92

700

2.09

 

747

2.33

 

781

2.52

806

2.66

831

2.81

856

2.96

 

573

1.58

 

7600

 

603

1.84

651

1.98

694

2.15

 

 

 

 

766

2.57

 

795

2.74

819

2.88

844

3.02

 

 

 

 

 

731

2.38

 

 

869

3.17

8000

 

 

 

 

633

2.11

686

2.21

 

 

 

 

761

2.66

785

2.81

 

809

2.95

832

3.09

857

3.23

 

882

3.37

585

1.97

 

 

 

730

2.39

 

8400

619

2.2

657

2.35

 

 

 

 

 

752

2.73

778

2.94

801

3.09

 

823

3.23

848

3.39

 

 

 

 

899

3.71

 

710

2.54

 

 

873

3.55

 

8800

652

2.43

680

2.60

 

733

2.86

773

3.07

794

3.22

816

3.36

 

837

3.50

 

 

 

 

889

3.86

915

4.04

 

 

 

863

3.68

 

9200

682

2.76

 

 

 

 

 

760

3.19

790

3.37

811

3.52

834

3.68

 

858

3.84

 

884

4.01

909

4.2

932

4.4

 

723

2.98

 

 

9600

 

 

 

766

3.36

787

3.52

807

3.67

828

3.82

852

3.99

 

 

 

 

904

4.35

929

4.53

949

4.75

711

3.08

 

 

878

4.17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 HP Standard Motor & Sheaves

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

External Static Pressure (Inches of Water Gauge)

 

 

 

 

 

 

 

 

 

 

 

 

 

1.20"

1.40"

1.60"

1.80"

2.00"

2.20"

 

2.40"

2.60"

 

 

 

 

 

 

CFM

RPM

BHP

 

 

RPM

BHP

 

 

RPM

BHP

 

RPM

BHP

 

RPM

BHP

 

RPM

BHP

RPM

BHP

 

RPM

BHP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5 HP Standard Motor & Sheaves

 

 

 

7.5 HP Oversized Motor & Sheaves

 

 

 

 

 

 

 

6400

883

2.86

930

3.16

976

3.52

1021

3.89

 

1066

4.26

1111

4.62

 

1156

4.99

1201

5.36

 

 

 

 

 

 

6800

894

3.07

941

3.4

986

3.78

1030

4.16

 

1075

4.55

1119

4.93

 

1164

5.31

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7200

904

3.29

951

3.65

995

4.04

1039

4.44

 

1083

4.84

1127

5.23

 

1171

5.63

 

 

 

 

 

 

 

7600

919

3.55

963

3.94

1007

4.34

1050

4.75

 

1093

5.16

1136

5.57

 

1179

5.98

 

 

 

 

 

 

 

8000

933

3.8

975

4.23

1018

4.65

 

 

 

 

1103

5.49

1145

5.91

 

1187

6.34

 

 

 

 

 

 

 

 

1060

5.07

 

 

 

 

 

 

 

8400

947

4.14

989

4.57

1032

5.01

 

1074

5.44

1117

5.87

1159

6.31

 

1200

6.73

 

 

 

 

 

 

 

8800

960

4.47

1002

4.92

 

 

 

 

1087

5.81

1130

6.26

1172

6.70

 

 

 

 

 

 

 

 

 

 

 

1045

5.36

 

 

 

 

 

 

 

 

 

9200

975

4.83

 

 

 

 

 

1058

5.73

1099

6.17

1141

6.62

1182

7.07

 

 

 

 

 

 

 

 

 

1016

5.28

 

 

 

 

 

 

 

 

9600

 

 

 

1030

5.65

1071

6.09

1111

6.54

1152

6.99

1192

7.43

 

 

 

 

 

 

 

 

990

5.2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Notes:

1.Data includes pressure drop due to wet coil and 2" filter.

2.Fan motor heat (MBh) = 3.15 x BHP.

3.Trane’s factory supplied motors, in commercial equipment, are definite purpose motors, specifically designed and tested to operate reliably and continuously at all cataloged conditions. Using the full horsepower range of our fan motors as shown in our tabular data will not result in nuisance tripping or premature motor failure. Our product’s warranty will not be affected.

(i)Field Supplied Low Static Drive (use Table 26)

Table 26. Low Static Fan Drive 20 Tons TWE240B/TWE240E Air Handler

Field Supplied Low Static Fan Drive

20 Tons TWE240B/TWE240E Air Handler(i)

Motor Sheave

Nominal

Turns Open

RPM

 

 

0

712

1

686

2

660

3

634

4

609

5

583

6

557

 

 

(i)Field supplied components required: Motor Sheave: Variable Pitch (4.3-5.5 inch

Pitch Diameter) 1.125 inch Bore, Single Groove, "B" Belt.

Blower Sheave: Fixed Pitch (13.4 inch Pitch Diameter), 1.4375 inch Bore, Single Groove, "B" Belt.

Belt: B67

Low Static Fan Drive Accessory Kit

20 Tons TWE240B/TWE240E Air Handler

Motor Sheave

Nominal

Turns Open

RPM

 

 

0

857

1

831

2

805

3

779

4

753

5

727

6

701

 

 

SSP-PRC001-EN

27

Page 27
Image 27
Trane SSP-PRC001-EN manual Evaporator Fan Performance, Low Static Fan Drive, 20 Tons, Cfm Rpm Bhp Bhp Rpm Bhp Rpm Bhp

SSP-PRC001-EN specifications

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