Watts AERCO Benchmark BMK5000 User Manual

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 3 - START SEQUENCE
OMM-0145_D • GF-218 • 11/2/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 47 of 213
3.4.8 Benchmark 5000 Air/Fuel Valve Position and Energy Input
TABLE 3-9a: BMK5000 Air/Fuel Valve Position and Energy Input
AIR/FUEL VALVE
POSITION (% OPEN)
ENERGY INPUT
(BTU/HR.)
BOILER ENERGY INPUT
(% OF FULL CAPACITY)
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%
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)
Energy Input in
BTU/hr
Oxygen
(%O
2
)
De-rating
(% 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%

Watts AERCO Benchmark BMK5000 Specifications

General

Brand	Watts
Model	AERCO Benchmark BMK5000
Category	Boiler
Language	English