AERCO BMK 6000 - Manual (Page 56)

Benchmark 6000 Boiler Installation, Operation & Maintenance Manual
CHAPTER 3 – OPERATION
Page 56 of 210 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0086_0D
03/20/14
Ph.: 800-526-0288
GF-133
Table 3-9: Gas Pressure De-Rating Chart
Gas Pressure @
SSOV (inches W.C.)
Energy Input
(BTU/hr)
Oxygen
(%O2)
DeRating
(% Full Fire)
Inlet Outlet
56 8 6,000,000 5.40 0%
14 8 6,000,000 5.40 0%
13 8 5,860,000 5.45 2%
12 7.95 5,860,000 5.41 2%
11.5 7.5 5,740,000 5.77 4%
11 7.1 5,610,000 6.17 6%
Figure 3-8: Relationship Between Air/Fuel Valve Position and Energy Input