AERCO BMK 2.0 LN Dual Fuel Serial G-11-2402 and UP - Manual (Page 94)

PR2: 04/22/13 Page 94 of 160
Benchmark 2.0LN Dual-Fuel Low NOx Boiler
Operation and Maintenance Manual
OMM-0052_0E
GF-127
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 • Ph: 800-526-0288
Figure 8-1: High Gas Pressure Switch & Snubber Locatio
Figure 8-3: High Pressure Gas Switch and Snubber Locations
STAGED
IGNITION
ASSEMBLY
IGNITOR-
INJECTOR
BURNER
PLATE
BURNER
Figure 8-2: Staged Ignition Solenoid Location
NATURAL
GAS SSOV
PROPANE SSOV
PROPANE LOW GAS PRESSURE
SWITCH
NATURAL GAS HIGH
GAS PRESSURE SWITCH
PROPANE GAS HIGH
GAS PRESSURE SWITCH
NATURAL GAS
LOW GAS
PRESSURE
SWITCH
PROPANE
INLET
NATURAL GAS INLET
MANUAL GAS
SHUT-OFF VALVE
SNUBBERS
To 2
nd
SOLENOID VALVE VIA
FLEX GAS LINE