PENSOTTI Solenne PCH50B-H Instruction Manual page 30

Natural Gas
Length of
Pipe in Feet
10
20
30
40
50
60
70
80
90
100
125
Natural Gas flow is given in thousands of BTU/hr. - One cubic foot of natural gas =
1000 BTU
Nominal pressure at the burner for Natural Gas is 3.5" of water column. (Typical
machine supply 5"-7")
Pipe length must include additional length for all fittings. Add approximately 5 feet of
pipe per fitting
Natural Gas Example: A machine with a burner that requires 440,000 BTU would need
a 1 -1/4" pipe for a 20' long run.
Liquid Propane
Length of
Pipe in Feet
10
20
30
40
50
60
80
100
125
150
LP Gas flow is given in thousands of BTU/hr. - One cubic foot of LP gas - 2516 BTU
This chart refers to low pressure LP, after regulation Standard nominal pressure at the
burner for
Liquid Propane Gas is 11" of water column.
Pipe length must include additional length for all fittings. Add approximately 5 feet of
pipe per fitting
LP Example: A machine with a burner that requires 440,000 BTU would need a 1" pipe
for a 20' long run.
•
Make sure the boiler is operating normally.
•
Shut down the unit by pressing the ON/OFF button on the control panel.
•
Remove the front panel and disconnect the flame rod sensor.
•
Restart the boiler. The burner should light but shut down after a few seconds.
If that is the case, the system is OK. It the burner does not shut down, push the
ON/OFF switch to shut down the boiler and perform a troubleshooting procedure
INSTALLATION INSTRUCTION
Pipe Sizing Chart
Size of Schd. 40 Black Iron Pipe in Inches
1/2" 3/4"
108 230
75 160
61 129
52 110
46 98
42 89
38 82
36 76
33 71
32 68
28 60
Gas Pipe Sizing Chart
Size of Schd. 40 Black Iron Pipe in Inches
1/2" 3/4"
275 567
189 393
152 315
129 267
114 237
103 217
89 185
78 162
69 146
63 132
1" 1-1/4"
387 793
280 569
224 471
196 401
177 364
159 336
149 317
140 239
133 275
126 266
117 243
1" 1-1/4"
1071 2205
732 1496
590 1212
504 1039
448 913
409 834
346 724
307 630
275 567
252 511
1-1/2" 2"
1237 2259
877 1610
719 1335
635 1143
560 1041
513 957
476 896
443 840
420 793
411 775
369 700
1-1/2" 2"
3307 6221
2299 4331
1858 3465
1559 2992
1417 2646
1275 2394
1086 2047
976 1811
866 1606
787 1496
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