Bryant 340MAV instruction manual Continued, FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY

Models: 340MAV

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TABLE 9—MODEL 340MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT

(Continued)

 

 

 

 

FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY

 

 

 

 

 

 

 

(TABULATED DATA BASED ON 20,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTITUDE

AVG GAS

 

 

 

 

 

SPECIFIC GRAVITY OF NATURAL GAS

 

 

 

 

 

HEAT VALUE

 

0.58

 

0.60

 

0.62

 

0.64

 

 

0.66

 

 

RANGE

 

 

 

 

 

 

 

 

(FT)

AT ALTITUDE

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

 

Orifice

 

Manifold

 

 

(BTU/CU FT)

 

 

 

 

 

 

 

 

 

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

 

No.

 

Pressure

 

 

 

725

43

 

3.7

43

 

3.8

42

 

3.2

42

 

3.3

 

42

 

3.4

 

 

 

750

43

 

3.4

43

 

3.5

43

 

3.7

43

 

3.8

 

42

 

3.2

Only

 

4001

775

44

 

3.7

44

 

3.8

43

 

3.4

43

 

3.5

 

43

 

3.7

 

 

800

44

 

3.5

44

 

3.6

44

 

3.7

44

 

3.8

 

43

 

3.4

 

 

 

 

 

 

 

 

 

U.S.A.

 

to

825

44

 

3.2

44

 

3.4

44

 

3.5

44

 

3.6

 

44

 

3.7

 

5000

875

45

 

3.5

45

 

3.6

45

 

3.7

44

 

3.2

 

44

 

3.3

 

 

 

850

45

 

3.7

45

 

3.8

44

 

3.3

44

 

3.4

 

44

 

3.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

900

45

 

3.3

45

 

3.4

45

 

3.5

45

 

3.6

 

45

 

3.8

 

 

0%

925

45

 

3.1

45

 

3.2

45

 

3.3

45

 

3.4

 

45

 

3.6

 

 

derate

950

45

 

3.0

45

 

3.1

45

 

3.2

45

 

3.3

 

45

 

3.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTITUDE

AVG GAS

 

 

 

 

 

SPECIFIC GRAVITY OF NATURAL GAS

 

 

 

 

 

HEAT VALUE

 

0.58

 

0.60

 

0.62

 

0.64

 

 

0.66

 

 

RANGE

 

 

 

 

 

 

 

 

(FT)

AT ALTITUDE

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

 

Orifice

 

Manifold

 

 

(BTU/CU FT)

 

 

 

 

 

 

 

 

 

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

 

No.

 

Pressure

 

 

 

700

43

 

3.6

43

 

3.7

42

 

3.2

42

 

3.3

 

42

 

3.4

 

 

 

725

43

 

3.4

43

 

3.5

43

 

3.6

43

 

3.7

 

43

 

3.8

 

 

 

750

44

 

3.6

44

 

3.7

43

 

3.4

43

 

3.5

 

43

 

3.6

 

 

 

775

44

 

3.4

44

 

3.5

44

 

3.6

44

 

3.7

 

43

 

3.4

Only

 

5001

800

44

 

3.2

44

 

3.3

44

 

3.4

44

 

3.5

 

44

 

3.6

 

 

825

45

 

3.6

45

 

3.7

44

 

3.2

44

 

3.3

 

44

 

3.4

 

 

 

 

 

 

 

 

 

U.S.A.

 

to

850

45

 

3.4

45

 

3.5

45

 

3.6

45

 

3.8

 

44

 

3.2

 

 

875

45

 

3.2

45

 

3.3

45

 

3.4

45

 

3.6

 

45

 

3.7

 

 

 

 

 

 

 

 

 

 

 

6000

900

45

 

3.0

45

 

3.1

45

 

3.3

45

 

3.4

 

45

 

3.5

 

 

 

925

45

 

2.9

45

 

3.0

45

 

3.1

45

 

3.2

 

45

 

3.3

 

 

 

950

45

 

2.7

45

 

2.8

45

 

2.9

45

 

3.0

 

45

 

3.1

 

 

11%

975

45

 

2.6

45

 

2.7

45

 

2.8

45

 

2.9

 

45

 

2.9

 

 

derate

1000

45

 

2.5

45

 

2.5

45

 

2.6

45

 

2.7

 

45

 

2.8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ALTITUDE

AVG GAS

 

 

 

 

 

SPECIFIC GRAVITY OF NATURAL GAS

 

 

 

 

 

HEAT VALUE

 

0.58

 

0.60

 

0.62

 

0.64

 

 

0.66

 

 

RANGE

 

 

 

 

 

 

 

 

(FT)

AT ALTITUDE

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

Orifice

 

Manifold

 

Orifice

 

Manifold

 

 

(BTU/CU FT)

 

 

 

 

 

 

 

 

 

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

No.

 

Pressure

 

No.

 

Pressure

 

 

 

650

42

 

3.2

42

 

3.3

42

 

3.4

42

 

3.5

 

42

 

3.6

 

 

 

675

43

 

3.6

43

 

3.7

43

 

3.8

42

 

3.2

 

42

 

3.3

Only

 

6001

700

44

 

3.8

43

 

3.4

43

 

3.6

43

 

3.7

 

43

 

3.8

 

 

725

44

 

3.6

44

 

3.7

44

 

3.8

43

 

3.4

 

43

 

3.5

 

 

 

 

 

 

 

 

 

U.S.A.

 

to

750

44

 

3.3

44

 

3.4

44

 

3.6

44

 

3.7

 

44

 

3.8

 

7000

800

45

 

3.5

45

 

3.7

45

 

3.8

44

 

3.2

 

44

 

3.3

 

 

 

775

45

 

3.8

44

 

3.2

44

 

3.3

44

 

3.4

 

44

 

3.5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

825

45

 

3.3

45

 

3.4

45

 

3.6

45

 

3.7

 

45

 

3.8

 

 

13%

850

45

 

3.1

45

 

3.2

45

 

3.4

45

 

3.5

 

45

 

3.6

 

 

derate

875

45

 

3.0

45

 

3.1

45

 

3.2

45

 

3.3

 

45

 

3.4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*Orifice numbers shown in BOLD are factory installed.

Percents of derate are based on midpoints of U.S. altitude ranges.

—39—

Page 39
Image 39
Bryant 340MAV instruction manual Continued, FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY