Benchmark 2.0ln low nox boiler, Gf-123 – AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) User Manual
Page 108
Chapter 8
Benchmark 2.0LN Low NOx Boiler
GF-123
Troubleshooting Installation, Operation and Maintenance Manual
OMM-0046_0E
Page 108 of 170
AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 PR1 08/20/12
HIGH GAS
PRESSSURE
SWITCH
TO
AIR/FUEL
VALVE
MANUAL
SHUT-OFF
VALVE
LOW GAS
PRESSSURE
SWITCH
SSOV
RSI GAS VALVE
GAS
INLET
SNUBBER
RSI REGULATOR
RSI SOLENOID VALVE
FLEX GAS LINE TO 2
nd
SOLENOID VALVE
Figure 8-1: High Gas Pressure Switch & Snubber Locations
BURNER
PLATE
BURNER
STAGED
IGNITION
SOLENOID
GAS
INJECTOR
Figure 8-2: Staged Ignition Solenoid Location
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