AERCO BMK 3.0 LN Dual-Fuel Series Gas Fired Low NOx Boiler System - Manual (Page 55)

SAFETY DEVICE TESTING
6-7
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
6.14 SAFETY PRESSURE RELIEF
VALVE TEST
Test the safety Pressure Relief Valve in
accordance with ASME Boiler and Pressure
Vessel Code, Section VI.