AERCO BMK 2.0 LN October 2012 - Manual (Page 110)

Chapter 8
Benchmark 2.0LN Low NOx Boiler
GF-123
Troubleshooting Installation, Operation and Maintenance Manual OMM-0046_0F
Page 110 of 172 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 PR1 10/17/12
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