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Figure 8-2: staged ignition solenoid location, Benchmark 1.5ln dual-fuel low nox boiler, Gf-121 – AERCO BMK 1.5 LN Dual Fuel Feb 2013 User Manual

Page 100

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PR2: 05/01/11 Page

100 of 162

Benchmark 1.5LN Dual-Fuel Low NOx Boiler

Operation and Maintenance Manual

OMM-0041_0C

GF-121

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

Figure 8-1: High Gas Pressure Switch & Snubber Locations

AIR/FUEL

VALVE

STAGED

IGNITION

SOLENOID #1

FLAME

DETECTOR

IGNITOR-

INJECTOR

BLOWER

BURNER

PLATE

BURNER

Figure 8-2: Staged Ignition Solenoid Location

NATURAL

GAS SSOV

PROPANE

GAS SSOV

NATURAL

GAS INLET

PROPANE

GAS INLET

TO AIR/FUEL

VALVE

NATURAL GAS HIGH

PRESSURE SWITCH

MANUAL SHUT-OFF

VALVE

PROPANE GAS HIGH

PRESSURE SWITCH

SNUBBERS

PROPANE

PRESSURE

REGULATOR

FEEDBACK LINE

NATURAL GAS

PRESSURE

REGULATOR

FEEDBACK LINE

RSI

ASSEMBLY