High altitude burner orifice sizing – Alliance Laundry Systems Drying Cabinet User Manual

Page 36

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Gas Requirements

70304601

34

High Altitude Burner Orifice Sizing

For proper operation at altitudes above 2000 feet
(610 meters), the gas burner orifice size must be
reduced to ensure complete combustion. Refer to
Table 7.

For CE models, consult local gas supplier.

Model

Gas

Altitude

Burner Orifice

New Rate

Feet

Meters

No.

Inches

mm

Quantity

Part

Number

(Btu/hr.)*

T30

Natural Gas

2001-4000

610-1220

22

0.1570

4.0

2

M402996

134,320

4001-6000

1221-1830

24

0.1520

3.9

M402980

122,640

6001-8000

1831-2440

26

0.1470

3.7

M401000

110,960

8001-10,000

2441-3050

28

0.1405

3.6

M401014

99,280

L.P. Gas

2001-6000

610-1830

42

0.0935

2.4

M403017

134,320

6001-8000

1831-2440

43

0.0890

2.3

M406184

110,960

8001-10,000

2441-3050

44

0.0860

2.2

M401011

99,280

T45

Natural Gas

2001 – 4000

610 – 1220

15

0.1800

4.6

2

M411511

183,000

4001 – 6000

1221 – 1830

17

0.1730

4.4

M411374

168,400

6001 – 8000

1831 – 2440

18

0.1695

4.3

M402988

155,000

8001 – 10000 2441 – 3050

20

0.1610

4.1

M401002

142,600

L.P. Gas

2001 – 4000

610 – 1220

36

0.1065

2.7

M402487

183,000

4001 – 6000

1221 – 1830

37

0.1040

2.6

M411375

168,400

6001 – 8000

1831 – 2440

38

0.1015

2.6

M411376

155,000

8001 – 10000 2441 – 3050

40

0.0980

2.5

M406361

142,600

* Btu/hr. derate of 4% per 1000 feet (305 meters) of altitude.

Table 7

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