Watts AERCO Benchmark BMK750 Operation And Service Manual page 60

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 4 – INITIAL START-UP
NATURAL GAS Manual Combustion Calibration Instructions
BMK2000
Dual Fuel Units
70%
50%
40%
30%
16%
TABLE 4-3d: NATURAL GAS Final Valve Positions: BMK2500 & 3000
BMK2500
Single Fuel
Valve % O
2
70% 5.9% ± 0.2%
50% 6.0% ± 0.2%
40% 6.3% ± 0.2%
30% 6.3% ± 0.2%
16% 6.0% ± 0.2%
BMK3000
5.1% ± 0.2%
70%
50% 6.1% ± 0.2%
40% 5.0% ± 0.2%
30% 6.4% ± 0.2%
14% 6.4% ± 0.2%
TABLE 4-3e: NATURAL GAS Final Valve Positions: BMK4000
Valve Position
Single Fuel
70%
50%
40%
30%
23%
TABLE 4-3f: NATURAL GAS Final Valve Positions: BMK5000, Single & DF
Valve Position
Single Dual
Fuel Fuel
5.5% ± 0.5%
70%
5.5% ± 0.5%
50%
40% 5.5% ± 0.5%
30% 5.5% ± 0.5%
18% 6.0% ± 1.0%
OMM-0145_A99 • GF-218 •
6.5% ± 0.2%
6.5% ± 0.2%
6.5% ± 0.2%
6.5% ± 0.2%
5.5% ± 0.2%
Dual Fuel
% Valve %
70% 5.9% ± 0.2%
45% 6.2% ± 0.2%
30% 6.0% ± 0.2%
20% 5.8% ± 0.2%
16% 6.0% ± 0.2%
85% 5.4% ± 0.2%
65% 5.5% ± 0.2%
45% 5.7% ± 0.2%
30% 5.6% ± 0.2%
14% 6.2% ± 0.2%
Standard NO
x
O % NO
2 x
≤20 ppm
5.5% ± 0.2%
≤20 ppm
5.5% ± 0.2%
≤20 ppm
5.5% ± 0.2%
≤20 ppm
5.5% ± 0.2%
≤20 ppm
6.0% ± 0.2%
Standard NO
x
O % NO
2 x
<20 ppm 6.0% ± 1.0%
<20 ppm 6.0% ± 1.0%
<20 ppm 6.0% ± 1.0%
<20 ppm 6.0% ± 1.0%
<20 ppm 6.5% ± 1.5%
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
9/18/2019
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
NO
x
O %
2
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
≤20 ppm
Ultra-Low NO
O %
2
≤9 ppm
6.0% ± 0.2%
≤9 ppm
6.0% ± 0.2%
≤9 ppm
6.0% ± 0.2%
≤9 ppm
6.0% ± 0.2%
≤9 ppm
6.5% ± 0.2%
Ultra-Low NO
O %
2
≤9 ppm
≤9 ppm
≤9 ppm
≤9 ppm
≤9 ppm
<100 ppm
<100 ppm
<50 ppm
<50 ppm
<50 ppm
CO
<100 ppm
<100 ppm
<50 ppm
<50 ppm
<50 ppm
<100 ppm
<100 ppm
<50 ppm
<50 ppm
<50 ppm
x
CO
NO
x
<100 ppm
<100 ppm
<50 ppm
<50 ppm
<50 ppm
x
CO
NO
x
<100 ppm
<100 ppm
<50 ppm
<50 ppm
<50 ppm
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