Benchmark 5000 Air/Fuel Valve Position And Energy Input - Watts Aerco Benchmark BMK750 Operation And Service Manual

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 3 - START SEQUENCE

Benchmark 5000 Air/Fuel Valve Position and Energy Input

3.4.8
TABLE 3-9a: BMK5000 Air/Fuel Valve Position and Energy Input
AIR/FUEL VALVE
POSITION (% OPEN)
10%
18% (Stop Level)
30%
40%
50%
60%
70%
80%
90%
100%
TABLE 3-9b: BMK5000 Gas Pressure De-Rating Chart
Applies to all models except Low Gas Pressure (LGP) models
Gas Pressure @ SSOV
in inches W.C. (kPa)
Inlet
56" (13.9 kPa)
14" (3.49 kPa)
10" (3.23 kPa)
OMM-0145_D • GF-218 •
11/2/2020
ENERGY INPUT
(BTU/HR.)
400,000
997,217
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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BOILER ENERGY INPUT
(% OF FULL CAPACITY)
0
(117 kW)
(292 kW)
Oxygen
BTU/hr (%O
0%
8%
20%
33%
40%
50%
60%
76%
88%
100%
De-rating
) (% Full Fire)
2
5.7 0%
5.7 0%
5.7 0%
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