Burnham BV, BH manual Recommended Maximum Mounting Height, Hot Water System Piping

Page 7

Table 1: Recommended Maximum Mounting Height

Horizontal Type

 

 

 

 

 

 

 

Vertical Type

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No Deflector

Cone-Jet

Truncone

One-Way

Two-Way

3-Cone

4-Cone

 

Height-Ft.

 

Louvers

Louvers

Anemostat

Anemostat

Model

Model

 

 

 

 

 

 

 

 

 

Height-Ft.

Height-Ft.

Height-Ft.

Height-Ft.

Height-Ft.

Height-Ft.

Height-Ft.

Number

 

 

 

Number

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

H

 

S

 

H

S

H

S

H

S

H

 

S

H

S

H

S

H

S

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-18

9

 

17

BV-42

11

17

15

11

8

19

13

 

11

8

22

8

22

8

28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-24

9

 

18

BV-59

13

20

18

13

9

25

16

 

14

10

28

9

28

8

35

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-33

10

 

20

BV-78

14

22

19

14

11

26

17

 

15

11

30

11

30

8

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-47

12

 

25

BV-95

16

24

21

16

11

26

17

 

15

11

30

11

30

8

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-63

14

 

29

BV-139

18

27

24

18

13

32

21

 

18

13

36

13

36

9

45

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-86

15

 

31

BV-161

21

31

28

21

14

35

23

 

20

14

40

14

40

10

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-108

15

 

32

BV-193

23

34

31

23

16

39

25

 

22

15

44

16

44

12

55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-121

16

 

33

BV-212

25

37

33

25

16

39

25

 

22

15

44

16

44

12

55

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-165

17

 

34

BV-247

26

39

34

26

17

46

30

 

26

18

52

17

52

13

65

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-193

18

 

37

BV-279

30

45

37

30

18

53

35

 

30

21

60

18

60

13

75

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-258

19

 

40

BV-333

30

45

37

30

17

53

35

 

30

21

60

17

60

13

75

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-290

20

 

44

BV-385

30

45

36

30

17

53

35

 

30

21

60

17

60

13

75

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BH-340

20

 

46

BV-500

37

56

44

37

19

65

42

 

37

26

74

19

74

13

93

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BV-610

36

54

43

36

19

63

41

 

41

25

72

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NOTES: With horizontal louvers open 30° from the vertical plane. Values are for heaters operating at standard condition (2psi. Steam and 60°F entering air).

Listed heights for two-way louvers and cone jet are with deflectors in their fully-opened position.

Horizontal Unit Heater Connected to

Overhead Hot Water Mains

Vertical Unit Heater Connected to

Overhead Hot Water Mains

Figure 4: Hot Water System Piping

Unit Heater Connection for High Pressure Steam

Unit Heater Connection for Low Pressure Steam - Open Grav-

ity or Vacuum Return System

Figure 5: Steam System Piping

7

Image 7
Contents 8144A001R4-2/07 BH and BV Unit HeatersTable of Contents Important Information Read Carefully Before Installation II. General Information III. InstallationUnit Heater Mounting Height Wiring Instructions115V / 60Hz / 1PH Wiring Schematic Hot Water System Piping Recommended Maximum Mounting HeightPrior to Operation IV. OperationInitial START-UP Casings MaintenanceInspect Regularly MotorsLarge Factories, Fabrication Shops VI. Application GuidelinesGeneral Guidelines Typical BH Unit Arrangement Sound Class RatingsSteam Performance Data -- High Motor Speed Steam Performance DataSteam Performance Data -- Reduced Motor Speed Application Procedure Selection Procedure Steam ApplicationGiven Design Conditions Fata = Eata + Atra Steam Calculation FormulasHeater Air Temp Types 100 125 150 Steam Correction FactorsSteam Heating Capacity Conversion Factors Unit EnteringCorrection Factor Air Temperature Rise Conversion FactorsSteam Unit Heater Mounting Height Correction Factors Steam Pressure PsigGauge Temp Latent Heat Properties of SteamBtu/lb Hot Water Performance Data -- Reduced Motor Speed Hot Water Performance Data -- High Motor Speed125,020 Btu/hr Final Air Selection Procedure HOT Water ApplicationWater Temperature Water Flow RateBtuAG = BtuS or BtuA x Glycol Correction Factor HOT Water Calculation FormulasHot Water Unit Heater Mounting Height Correction Factors HOT Water Correction FactorsHot Water Heating Capacity Conversion Factors Ethylene Glycol Correction FactorsControl Sequences VII. OPTIONS, Accessories and Control SequencesField Installed Options for Horizontal and Vertical Models Field Installed Options for Horizontal Models onlyDescription Field Installed Options for Vertical Models onlyVertical Air Outlet Accessory Dimensions Cone-JetLou Truncone No Deflector Anemo Vertical Air Outlet Accessory Maximum Height and Spread123BH Dimensional Data VIII. Dimensional DataModel BH Dimensions Model BV Dimensions BV Dimensional DataMale NPT Fan Ship Model Voltage and Motor Type Motor/Power CodesMotor/Power Description Code IX. Motor DataLimited Warranty