Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 3 - START SEQUENCE
OMM-0137_J
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3.4.6 BMK4000 Air/Fuel Valve Position and Energy Input
TABLE 3-7a: BMK4000 Air/Fuel Valve Position
–
NATURAL GAS
AIR/FUEL VALVE POSITION
(% OPEN)
ENERGY INPUT
(BTU/HR.)
BOILER ENERGY INPUT
(% OF FULL CAPACITY)
23% (Stop Level)
228,180
5.7%
30%
456,900
11.4%
40%
822,800
20.6%
50%
1,205,000
30.1%
60%
1,684,000
42.1%
70%
2,388,000
59.7%
80%
3,107,000
77.7%%
90%
3,582,000
89.6%
100%
4,000,000
100%
TABLE 3-7b: BMK4000 Air/Fuel Valve Position
–
NATURAL GAS - DUAL FUEL
AIR/FUEL VALVE POSITION
(% OPEN)
ENERGY INPUT
(BTU/HR.)
BOILER ENERGY INPUT
(% OF FULL CAPACITY)
18% (Stop Level)
246,000
6.2%
20%
346,000
8.7%
30%
846,000
21%
40%
1,384,000
35%
50%
1,883,000
47%
60%
2,442,000
61%
70%
2,783,000
70%
80%
3,151,000
79%
90%
3,541,000
89%
100%
4,000,000
100%
TABLE 3-7c: BMK4000 Air/Fuel Valve Position
–
PROPANE
AIR/FUEL VALVE POSITION
(% OPEN)
ENERGY INPUT
(BTU/HR.)
BOILER ENERGY INPUT
(% OF FULL CAPACITY)
18% (Stop Level)
241,000
6.0%
20%
338,000
8.5%
30%
825,000
21%
40%
1,388,000
35%
50%
1,922,000
48%
60%
2,418,000
60%
70%
2,801,000
70%
80%
3,158,000
79%
90%
3,545,000
89%
100%
4,000,000
100%