Watts AERCO Benchmark BMK5000 User Manual

Benchmark with Edge [I]: Operation-Maintenance Manual
SECTION 3 - START SEQUENCE
OMM-0145_D • GF-218 • 11/2/2020 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 39 of 213
3.3 START/STOP LEVELS
The start and stop levels are the Air/Fuel Valve positions (% open) that start and stop the unit,
based on load. These levels are Factory preset as follows:
TABLE 3-1a: Start/Stop Levels – NATURAL GAS
BMK
750
BMK
1000
BMK
1500
BMK
2000
BMK
2500
BMK
3000
BMK
4000
BMK
5000N
BMK
4000 &
5000N
DF
BMK
5000
BMK
6000
Start
Level:
22%
22%
20%
24%
24%
20%
27%
24%
24%
24%
24%
Stop
Level:
18%
18%
16%
18%
16%
14%
23%
18%
18%
18%
18%
Ignition
Position
35%
35%
29%
29%
29%
29%
45%
40%
35%
35%
50%
TABLE 3-1b: Start/Stop Levels – PROPANE GAS
BMK
750
BMK
1000
BMK
1500
BMK
2000
BMK
2500
BMK
3000
BMK
4000
BMK
5000N
BMK
5000
BMK
6000
Start
Level:
22%
22%
20%
24%
26%
22%
24%
24%
24%
24%
Stop
Level:
18%
18%
16%
18%
18%
14%
18%
18%
18%
18%
Ignition
Position
35%
35%
29%
29%
29%
29%
35%
35%
35%
50%
Normally, these settings do not require adjustment.
Note that the energy input of the boiler is not linearly related to the Air/Fuel Valve position.

Watts AERCO Benchmark BMK5000 Specifications

General

Brand	Watts
Model	AERCO Benchmark BMK5000
Category	Boiler
Language	English