State Industries SW 37-670 instruction manual Sizes and Data NW220 Thru

Page 6

SIZES AND DATA NW220 THRU 670

 

Model Number

 

 

 

 

 

 

 

 

 

 

 

Inlet* &

Boiler

 

 

 

 

Std. KW

D

E

F

G**

H

 

J

K

S

T

Prefix

 

Gal. Cap.

 

 

Outlet*

Drain

 

 

Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SW

 

220

 

780K

60

50

25

71

21

 

2

25 1/2

30

5 1/2

5

1

1/2

SW

 

220

 

840K

60

50

25

71

21

 

2

25 1/2

30

5 1/2

5

1

1/2

SW

 

220

 

900K

60

50

25

71

21

 

2

25 1/2

30

5 1/2

5

1

1/2

SW

 

220

 

960K

60

50

25

71

21

 

2

25 1/2

30

5 1/2

5

1

1/2

SW

 

220

 

1020K

60

50

25

71

21

 

2

25 1/2

30

5 1/2

5

1

1/2

SW

 

220

 

1080K

60

50

25

71

21

 

2

25 1/2

30

5 1/2

5

1

1/2

SW

 

220

 

1140K

60

50

25

71

21

 

2

25 1/2

30

5 1/2

5

1

1/2

SW

 

334

 

1200K

60

50

25

99

25

 

2

25 1/2

30

7 1/4

6

 

2

SW

 

334

 

1260K

60

50

25

99

25

 

2

25 1/2

30

7 1/4

6

 

2

SW

 

334

 

1380K

60

50

25

99

25

 

2

25 1/2

30

7 1/4

6

 

2

SW

 

334

 

1500K

60

50

25

99

25

 

2

25 1/2

30

7 1/4

6

 

2

SW

 

334

 

1620K

60

50

25

99

25

 

2

25 1/2

30

7 1/4

6

 

2

SW

 

334

 

1740K

60

50

25

99

25

 

2

25 1/2

30

7 1/4

6

 

2

SW

 

400

 

1800K

66

56

28

90 1/2

25 1/2

2

1/2

30

33

7 3/4

8

 

2

SW

 

400

 

1860K

66

56

28

90 1/2

25 1/2

2

1/2

30

33

7 3/4

8

 

2

SW

 

400

 

1980K

66

56

28

90 1/2

25 1/2

2

1/2

30

33

7 3/4

8

 

2

SW

 

400

 

2100K

66

56

28

90 1/2

25 1/2

2

1/2

30

33

7 3/4

8

 

2

SW

 

500

 

2200K

72

62

31

90 1/2

26 1/2

2

1/2

34

36

7 3/4

8

 

2

SW

 

500

 

2340K

72

62

31

90 1/2

26 1/2

2

1/2

34

36

7 3/4

8

 

2

SW

 

500

 

2460K

72

62

31

90 1/2

26 1/2

2

1/2

34

36

7 3/4

8

 

2

SW

 

500

 

2580K

72

62

31

90 1/2

26 1/2

2

1/2

34

36

7 3/4

8

 

2

SW

 

670

 

2700K

78

68

34

96 1/2

30 1/2

2

1/2

38

39

7 3/4

8

 

2

SW

 

670

 

2820K

78

68

34

96 1/2

30 1/2

2

1/2

38

39

7 3/4

8

 

2

SW

 

670

 

2940K

78

68

34

96 1/2

30 1/2

2

1/2

38

39

7 3/4

8

 

2

SW

 

670

 

3060K

78

68

34

96 1/2

30 1/2

2

1/2

38

39

7 3/4

8

 

2

SW

 

670

 

3180K

78

68

34

96 1/2

30 1/2

2

1/2

38

39

7 3/4

8

 

2

SW

 

670

 

3300K

78

68

34

96 1/2

30 1/2

2

1/2

38

39

7 3/4

8

 

2

NOTE: For boilers 3400KW to 6000KW, consult factory.

* All fittings under 4” will be threaded type. All fittings 4” and larger will be flanged.

** Where overall height is a problem a larger diameter vessel with a reduced height may be furnished.

6

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Contents Installation Operation Service Maintenance Limited Warranty Commercial Electric BoilersSafe INSTALLATION, USE and Service General Safety Information Precautions Hydrogen GAS FlammableGrounding Instructions Table of Contents IntroductionDimension Data Sizes and Data NW37 Thru NW150Sizes and Data NW220 Thru Dimension Data cont’d Boiler Specifications StandardFeatures and Components Actual Configuration MAY VaryApprovals Model and Rating Locating the BoilerFacts to Consider About the Location General InstallationRequired Ability Pressure Relief ValveClosed Water Systems Thermal ExpansionCalculating Amperage Overcurrent Protection Electrical DataBranch Circuit Boiler CircuitsWiring Diagrams Diagram Three Phase Delta with Step Control Diagram Three Phase WYE with Step ControlOperation High Temperature LimitsTemperature Regulation Filling the BoilerTemperature Controls DrainingSediment Removal MaintenanceFlushing Water and Lime Scale RemovalTroubleshooting Checklist System Water TestSW-37 Thru SW-670 Electric HOT Water Boiler Limited Warranty Division of A. O. Smith Corporation RENTON, Washington
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