Pilot Orifice Identity Numbers - Modine Manufacturing PSH Installation And Service Manual

CHECKING INPUT RATE
Table 5
Manifold Pressure & Gas Consumption
Typical Heating Value (BTU/Cu.Ft.)
Model
Manifold Pressure inches w.c.
Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PSH130 Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BSH130 Sec/cu.ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PSH150 Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BSH150
Sec/cu.ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PSH170 Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BSH170 Sec/cu. ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PSH225
Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BSH225 Sec/cu.ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PSH280 Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BSH280 Sec/cu. ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cfh . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PSH340 Gal/Hr. Propane . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
BSH340 Sec/cu. ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Orifice Drill Size . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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.
Table 6
Orifice Drill sizes with Decimal Equivalents
Main Burner Orifices
Dia.
Drill Decimal
Size Equivalent
19 .1660
21 .1590
22 .1570
24 .1520
27 .1440
29 .1360
Specific Gravity
Dia.
Drill Decimal
Size Equivalent
37 .1040
39 .0995
40 .0980
41 .0960
43 .0890
44 .0860
Natural
1040
0.60
3.5
125
—
29
24
144
—
25
29
163
—
25
27
216
—
17
19
269
—
13
21
327
—
11
22

Pilot Orifice Identity Numbers

Pilot Burner Identity No.
Manufacturer Natural Gas
Honeywell BCR-18
Robertshaw
1
Johnson 7715
As number appears on top of pilot orifice.
Heater Parts from ACF Greenhouses
Propane
2500 No. of
1.53 Orifices
10.0
52
1.42
69 2
41
60
1.64
60 3
44
68
1.86
60 3
43
90
2.46
40 3
37
112
3.06
32 4
39
136
3.72
26 5
40
Identity No.
Propane Gas
BCR-11 or -12
L
8 1 O
N P
4710
13