Owner manual

PR2: 05/01/11 Page 94 of 152
Benchmark 1.5LN Low NOx Boiler
Operation and Maintenance Manual
OMM-0041_0D
GF-120
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