Benchmark 5000 Air/Fuel Valve Position And Energy Input - Watts AERCO Benchmark BMK5000 Operation And Service Manual

Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 3 - START SEQUENCE
3.4.8 BMK5000 Air/Fuel Valve Position and Energy Input
TABLE 3-9a: BMK5000 Air/Fuel Valve Position and Energy Input
Air Fuel Valve
Position
(% Full Open)
10%
18% (Stop Level)
30%
40%
50%
60%
70%
80%
90%
100%
TABLE 3-9b: BMK5000 Gas Pressure De-Rating Chart
Gas Pressure @ SSOV
in inches W.C. (kPa)
Inlet
56" (13.9 kPa)
14" (3.49 kPa)
10" (3.23 kPa)
OMM-0137_J •
12/20/2022
Boiler Energy Input
BTU/Hr
0
400,000 (117 kW)
997,217 (292 kW)
1,667,848 (489 kW)
1,992,380 (584 kW)
2,486,881 (729 kW)
2,981,381 (874 kW)
3,780,230 (1108 kW)
4,375,500 (1282 kW)
5,000,000 (1465 kW)
Energy Input in
Outlet
6.8" (1.70 kPa)
5,000,000 (1465 kW)
6.8" (1.70 kPa)
5,000,000 (1465 kW)
6.8" (1.70 kPa)
5,000,000 (1465 kW)
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% of Full Capacity
0%
8%
20%
33%
40%
50%
60%
76%
88%
100%
Oxygen
BTU/hr (%O
2
5.7
5.7
5.7
DeRating
) (% Full Fire)
0%
0%
0%
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