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Benchmark 2.0ln low nox boiler, Gf-123 – AERCO BMK 2.0 LN October 2012 User Manual

Page 46

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Chapter 3

Benchmark 2.0LN Low NOx Boiler

GF-123

Operation

Installation, Operation and Maintenance Manual

OMM-0046_0F

Page 46 of 172

AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 PR1 10/17/12

Figure 3-5: Blower Proof Switch

25

TO BLOWER

AIR IN

DIAL
(DETAIL “A”)

STEPPER

MOTOR

DETAIL “A”

Figure 3-6: Air/Fuel Valve In Ignition Position