![background image](http://html2.mh-extra.com/html/watts/aerco-bmk-750/aerco-bmk-750_operation-and-service-manual_3787105045.webp)
Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 3 - START SEQUENCE
OMM-0145_A99
• GF-218 • 9/18/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page
45
of
157
3.4.6
Benchmark4000 Air/Fuel Valve Position and Energy Input
TABLE 3-6a: 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%