Watts AERCO Benchmark BMK5000 Operation And Service Manual page 26

Benchmark Platinum-Edge [ii]: Operation-Service Manual
SECTION 3 - START SEQUENCE
3.4.2 BMK1500 Air/Fuel Valve Position and Energy Input
TABLE 3-3a: BMK1500 Air/Fuel Valve Position – NATURAL GAS
AIR/FUEL VALVE POSITION
(% OPEN)
16% (Stop Level)
20%
30%
40%
50%
60%
70%
80%
90%
100%
TABLE 3-3b: BMK1500 Air/Fuel Valve Position – PROPANE GAS
AIR/FUEL VALVE POSITION
(% OPEN)
18% (Stop Level)
20%
30%
40%
50%
60%
70%
80%
90%
100%
OMM-0137_J •
12/20/2022
ENERGY INPUT
(BTU/HR)
75,000 (22.3 kW)
127,000 (37.2 kW)
366,000 (107.2 kW)
629,000 (184.3 kW)
822,000 (240.9 kW)
977,000 (286.2 kW)
1,119,000 (327.9 kW)
1,255,000 (367.7 kW)
1,396,000 (409.0 kW)
1,502,000 (440.1 kW)
ENERGY INPUT
(BTU/HR)
75,000 (21.9 kW)
93,700 (27.5 kW)
254,000 (74.4 kW)
505,000 (148.0 kW)
680,000 (199.3 kW)
807,000 (236.5 kW)
947,000 (277.5 kW)
1,157,000 (339.1 kW)
1,379,000 (404.1 kW)
1,503,000 (440.5 kW)
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BOILER ENERGY INPUT
(% OF FULL CAPACITY)
5.0%
8.5%
24.4%
41.9%
54.7%
65.0%
74.5%
83.5%
92.9%
100%
BOILER ENERGY INPUT
(% OF FULL CAPACITY)
5.0%
6.2%
16.9%
33.7%
45.3%
53.8%
63.1%
77.1%
91.9%
100%
Page 26 of 167