Benchmark5000 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

Benchmark5000 Air/Fuel Valve Position and Energy Input

3.4.7
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%
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-0145_A99 • GF-218 •
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)
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)
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
9/18/2019
% of Full
Capacity
0%
8%
20%
33%
40%
50%
60%
76%
88%
100%
Energy Input in Oxygen
BTU/hr (%O
De-rating
) (% Full Fire)
2
5.7 0%
5.7 0%
5.7 0%
Page 46 of 157