AERCO BMK 1500-2000 - Manual (Page 84)

Benchmark 1500 - 2000 Boilers
CHAPTER 6 – SAFETY DEVICE TESTING
Page 84 of 188 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0097_0D
Ph.: 800-526-0288
GF-142
Figure 6-7: 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.
172 171
170 169
Ignition
Position
Switch
Purge
Position
Switch
AIR IN
TO BLOWER
VALVE
POSITION
DIAL
AIR/FUEL VALVE
SWITCH WIRING
BREAKOUT