AERCO BMK 2.0 LN Natural Gas (SN G-11-1861 and above) - Manual (Page 81)

GF-123
Benchmark 2.0LN Low NOx Boiler
Chapter 6
OMM-0046_0E I nstallation, Operation and Maintenance Manual Safety Device Tests
PR1 08/20/12 AERCO International Inc.● 100 Oritani Dr. ● Blauvelt, NY 10913. ● Ph: 800-526-0288 Page 81 of 170
AIR/FUEL VALVE COVER
(ROTATE CCW TO REMOVE)
Figure 6-5: Air/Fuel Valve Cover Location
STEPPER
MOTOR
DIAL
172
171
169
170
IGNITION
POSITION
SWITCH
PURGE
POSITION
SWITCH
AIR
IN
TO
BLOWER
Figure 6-6: Air/Fuel Valve Purge and Ignition Switch Locations
6.12 SAFETY PRESSURE RELIEF VALVE TEST
Test the safety Pressure Relief Valve in accordance with ASME Boiler and Pressure Vessel
Code, Section VI.