Checking input rate, Heater parts from acf greenhouses – Modine Manufacturing 6-558.6 User Manual

Page 13

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13

CHECKING INPUT RATE

Pilot Orifice Identity Numbers

Pilot Burner

Identity No.

Identity No.

Manufacturer

Natural Gas

Propane Gas

Honeywell

BCR-18

BCR-11 or -12

Robertshaw

Johnson

7715

4710

1

8

N

1

O

P

L

As number appears on top of pilot orifice.

Table 6
Orifice Drill sizes with Decimal Equivalents
Main Burner Orifices

Dia.

Dia.

Drill

Decimal

Drill

Decimal

Size

Equivalent

Size

Equivalent

19

.1660

37

.1040

21

.1590

39

.0995

22

.1570

40

.0980

24

.1520

41

.0960

27

.1440

43

.0890

29

.1360

44

.0860

Table 5
Manifold Pressure & Gas Consumption

Natural

Propane

Typical Heating Value (BTU/Cu.Ft.)

1040

2500

No. of

Model

Specific Gravity

0.60

1.53

Orifices

Manifold Pressure inches w.c.

3.5

10.0

Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

125

52

PSH130

Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.42

BSH130

Sec/cu.ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

69

2

Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

24

41

Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

144

60

PSH150

Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.64

BSH150

Sec/cu.ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25

60

3

Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

29

44

Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

163

68

PSH170

Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1.86

BSH170

Sec/cu. ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

25

60

3

Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

27

43

Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

216

90

PSH225

Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.46

BSH225

Sec/cu.ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

17

40

3

Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

19

37

Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

269

112

PSH280

Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.06

BSH280

Sec/cu. ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

13

32

4

Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

21

39

Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

327

136

PSH340

Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3.72

BSH340

Sec/cu. ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11

26

5

Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

22

40

Above gases based on average standards. Units can be furnished for gases of different values and specific gravities. (Gas/Hr. Propane based on 60°F, 30" Hg, 91,500
Btu/Gal.

Heater Parts from ACF Greenhouses

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