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Gf-123, Benchmark 2.0ln low nox boiler – AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) User Manual

Page 45

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GF-123

Benchmark 2.0LN Low NOx Boiler

Chapter 3

OMM-0046_0E

I

nstallation, Operation and Maintenance Manual

Operation

PR1 08/20/12

AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288

Page 45 of 170

100

DETAIL “A”

TO BLOWER

AIR IN

DIAL
(DETAIL “A”)

STEPPER

MOTOR

Figure 3-4: Air/Fuel Valve In Purge Position


Figure 3-5: Blower Proof Switch