Watts Aerco Benchmark Series User Manual

Benchmark Platinum-Edge: Operation-Service Manual
SECTION 3 - START SEQUENCE
OMM-0137_D • GF-211 • 7/16/2019 Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST Page 23 of 146
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
5000
BMK
6000
Start
Level:
22% 22% 20% 24% 24% 20% 24% 24%
Stop
Level:
18% 18% 16% 18% 16% 14% 18% 18%
Ignition
Position
35% 35% 29% 29% 29% 29% 35% 50%
TABLE 3-1b: Start/Stop Levels – PROPANE GAS
BMK
750
BMK
1000
BMK
1500
BMK
2000
BMK
2500
BMK
3000
BMK
5000
BMK
6000
Start
Level:
22% 22% 20% 24% 26% 22% 24% 24%
Stop
Level:
18% 18% 16% 18% 18% 14% 18% 18%
Ignition
Position
35% 35% 29% 29% 29% 29% 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 Series Specifications

General

Brand	Watts
Model	Aerco Benchmark Series
Category	Boiler
Language	English