Watts Benchmark Aerco OMM-0122 - 3.4.5 BMK 3000 Air;Fuel Valve Position and Energy Input

Benchmark 750-3000 Boiler Installation & Startup Manual
SECTION 3 - START SEQUENCE
OMM-0121_D • GF-205 • 5/9/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 56 of 122
3.4.5 BMK 3000 Air/Fuel Valve Position and Energy Input
TABLE 3-6a: BMK 3000 Air/Fuel Valve Position – NATURAL GAS
AIR/FUEL VALVE POSITION
(% OPEN)
ENERGY INPUT
(BTU/HR.)
BOILER ENERGY INPUT
(% OF FULL CAPACITY)
14% (Stop Level)
200,000 (58.6 kW)
6.7%
30%
520,000 (152 kW)
17%
40%
880,000 (258 kW)
29%
50%
1,270,000 (372 kW)
42%
60%
1,680,000 (492 kW)
56%
70%
2,100,000 (615 kW)
70%
80%
2,390,000 (700 kW)
80%
90%
2,650,000 (777 kW)
88%
100%
3,000,000 (879 kW)
100%
TABLE 3-6b: BMK 3000 Air/Fuel Valve Position – PROPANE GAS
AIR/FUEL VALVE POSITION
(% OPEN)
ENERGY INPUT
(BTU/HR)
BOILER ENERGY INPUT
(% OF FULL CAPACITY)
18% (Stop Level)
200,000
6.7%
30%
520,000
17%
40%
920,000
31%
50%
1,270,000
42%
60%
1,570,000
52%
70%
1,960,000
65%
80%
2,330,000
78%
90%
2,700,000
90%
100%
3,000,000
100%