Watts Aerco Benchmark Series, Operation And Service Manual

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Benchmark Platinum-Edge: Operation-Service Manual
SECTION 3 - START SEQUENCE
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3.4.6 Benchmark 5000 Air/Fuel Valve Position and Energy Input
BMK 5000 Air/Fuel Valve Position and Energy Input
Air Fuel Valve
Position
(% Full Open)
Boiler Energy Input
BTU/Hr
% of Full
Capacity
0% 0 0%
10% 0 0%
18% (Stop Level) 400,000 (117 kW) 8%
30% 997,217 (292 kW) 20%
40% 1,667,848 (489 kW) 33%
50% 1,992,380 (584 kW) 40%
60% 2,486,881 (729 kW) 50%
70% 2,981,381 (874 kW) 60%
80% 3,780,230 (1108 kW) 76%
90% 4,375,500 (1282 kW) 88%
100% 5,000,000 (1465 kW) 100%
BMK 5000 Gas Pressure De-Rating Chart
Gas Pressure @ SSOV
in inches W.C. (kPa)
Energy Input in
BTU/hr
Oxygen
(%O
2
)
DeRating
(% Full Fire)
Inlet Outlet
56” (13.9 kPa) 6.8” (1.70 kPa) 5,000,000 (1465 kW) 5.7 0%
14” (3.49 kPa) 6.8” (1.70 kPa) 5,000,000 (1465 kW) 5.7 0%
10” (3.23 kPa) 6.8” (1.70 kPa) 5,000,000 (1465 kW) 5.7 0%