AERCO BMK 2.0 LN October 2012 - Manual (Page 45)

GF-123
Benchmark 2.0LN Low NOx Boiler
Chapter 3
OMM-0046_0F I nstallation, Operation and Maintenance Manual Operation
PR1 10/17/12 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 Page 45 of 172
Figure 3-3: SSOV Location
100
DETAIL “A”
TO BLOWER
AIR IN
DIAL
(DETAIL “A”)
STEPPER
MOTOR
Figure 3-4: Air/Fuel Valve In Purge Position
SSOV
GAS
INLET
TO AIR/FUEL
VALVE
MANUAL SHUT-OFF VALVE