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Benchmark 2500DF-3000DF Installation, Operation & Maintenance Manual
Table 3-8: Relationship Between Air/Fuel Valve Position and Energy Input
For 2500 MBH Unit Running On NATURAL GAS
Air/Fuel Valve
Position (% Open)
16% (Stop Level)
30%
40%
50%
60%
70%
80%
90%
100%
Table 3-9: Relationship Between Air/Fuel Valve Position and Energy Input
Air/Fuel Valve
Position (% Open)
18% (Stop Level)
30%
40%
50%
60%
70%
80%
90%
100%
OMM-0099_0A
GF-145
CHAPTER 3 – OPERATION
Energy Input
(BTU/Hr)
167,000
430000
865,000
1,190,000
1,495,000
1,820,000
2,090,000
2,350,000
2,500,000
For 2500 MBH Unit Running On PROPANE Gas
Energy Input
(BTU/Hr)
155,000
400,000
808,000
1,055,000
1,330,000
1,671,000
1,998,000
2,280,000
2,500,000
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Ph.: 800-526-0288
% of Full Capacity
6.7%
17%
35%
48%
60%
73%
84%
94%
100%
% of Full Capacity
6.2%
16%
32%
42%
53%
67%
80%
91%
100%
Page 51 of 234
PR1: 05/21/2014
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