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Bryant 355MAV EN User Manual

Page 39

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TABLE 12—MODEL 355MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT

Continued

(TABULATED DATA BASED ON 20,000 BTUH HIGH HEAT/13,000 BTUH LOW HEAT PER BURNER

DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL)

ALTITUDE

RANGE

(FT)

AVG GAS

HEAT VALUE

AT ALTITUDE

(BTU/CU FT)

SPECIFIC GRAVITY OF NATURAL GAS

0.58

0.60

0.62

0.64

0.66

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

U.S.A.

Only

725

43

3.7/1.5

43

3.8/1.6

42

3.2/1.4

42

3.3/1.4

42

3.4/1.4

750

43

3.4/1.4

43

3.5/1.5

43

3.7/1.5

43

3.8/1.6

42

3.2/1.4

775

44

3.7/1.6

44

3.8/1.6

43

3.4/1.4

43

3.5/1.5

43

3.7/1.5

4001

800

44

3.5/1.5

44

3.6/1.5

44

3.7/1.6

44

3.8/1.6

43

3.4/1.4

825

44

3.2/1.4

44

3.4/1.4

44

3.5/1.5

44

3.6/1.5

44

3.7/1.6

to

850

45

3.7/1.6

45

3.8/1.6

44

3.3/1.4

44

3.4/1.4

44

3.5/1.5

875

45

3.5/1.5

45

3.6/1.5

45

3.7/1.6

44

3.2/1.3

44

3.3/1.4

5000

900

45

3.3/1.4

45

3.4/1.4

45

3.5/1.5

45

3.6/1.5

45

3.8/1.6

925

47

3.7/1.6

45

3.2/1.4

45

3.3/1.4

45

3.4/1.5

45

3.6/1.5

950

47

3.5/1.5

47

3.6/1.5

45

3.2/1.3

45

3.3/1.4

45

3.4/1.4

ALTITUDE

RANGE

(FT)

AVG GAS

HEAT VALUE

AT ALTITUDE

(BTU/CU FT)

SPECIFIC GRAVITY OF NATURAL GAS

0.58

0.60

0.62

0.64

0.66

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

U.S.A.

Only

700

43

3.6/1.5

43

3.7/1.6

42

3.2/1.3

42

3.3/1.4

42

3.4/1.4

725

43

3.4/1.4

43

3.5/1.5

43

3.6/1.5

43

3.7/1.6

43

3.8/1.6

750

44

3.6/1.5

44

3.7/1.6

43

3.4/1.4

43

3.5/1.5

43

3.6/1.5

775

44

3.4/1.4

44

3.5/1.5

44

3.6/1.5

44

3.7/1.6

43

3.4/1.4

5001

800

44

3.2/1.3

44

3.3/1.4

44

3.4/1.4

44

3.5/1.5

44

3.6/1.5

825

45

3.6/1.5

45

3.7/1.6

44

3.2/1.4

44

3.3/1.4

44

3.4/1.4

to

850

45

3.4/1.4

45

3.5/1.5

45

3.6/1.5

45

3.8/1.6

44

3.2/1.4

875

45

3.2/1.4

45

3.3/1.4

45

3.4/1.5

45

3.6/1.5

45

3.7/1.5

6000

900

47

3.6/1.5

47

3.7/1.6

45

3.3/1.4

45

3.4/1.4

45

3.5/1.5

925

47

3.4/1.4

47

3.5/1.5

47

3.7/1.5

45

3.2/1.3

45

3.3/1.4

950

48

3.7/1.6

48

3.8/1.6

47

3.5/1.5

47

3.6/1.5

47

3.7/1.6

975

48

3.5/1.5

48

3.6/1.5

48

3.8/1.6

47

3.4/1.4

47

3.5/1.5

1000

48

3.3/1.4

48

3.5/1.5

48

3.6/1.5

48

3.7/1.6

48

3.8/1.6

ALTITUDE

RANGE

(FT)

AVG GAS

HEAT VALUE

AT ALTITUDE

(BTU/CU FT)

SPECIFIC GRAVITY OF NATURAL GAS

0.58

0.60

0.62

0.64

0.66

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

Orifice

No.

Manifold

Pressure

High/Low

U.S.A.

Only

650

42

3.2/1.3

42

3.3/1.4

42

3.4/1.4

42

3.5/1.5

42

3.6/1.5

675

43

3.6/1.5

43

3.7/1.6

43

3.8/1.6

42

3.2/1.4

42

3.3/1.4

700

44

3.8/1.6

43

3.4/1.5

43

3.6/1.5

43

3.7/1.6

43

3.8/1.6

6001

725

44

3.6/1.5

44

3.7/1.6

44

3.8/1.6

43

3.4/1.4

43

3.5/1.5

750

44

3.3/1.4

44

3.4/1.5

44

3.6/1.5

44

3.7/1.6

44

3.8/1.6

to

775

45

3.8/1.6

44

3.2/1.4

44

3.3/1.4

44

3.4/1.5

44

3.5/1.5

800

45

3.5/1.5

45

3.7/1.5

45

3.8/1.6

44

3.2/1.4

44

3.3/1.4

7000

825

45

3.3/1.4

45

3.4/1.5

45

3.6/1.5

45

3.7/1.6

45

3.8/1.6

850

47

3.7/1.6

45

3.2/1.4

45

3.4/1.4

45

3.5/1.5

45

3.6/1.5

875

47

3.5/1.5

47

3.6/1.5

45

3.2/1.3

45

3.3/1.4

45

3.4/1.4

—39—