AERCO KC Series Equipped with C-More version 3.04 - Manual (Page 47)

SAFETY DEVICE TESTING
5-6
IGNITION
POSITION
SWITCH
PURGE
POSITION
SWITCH
169 170 172 171
STEPPER
MOTOR
DIAL
B
LO
W
E
R
B
U
R
N
E
R
Figure 5.8
Air/Fuel Valve Purge and Ignition Switch
Locations
5.12 SAFETY PRESSURE RELIEF VALVE
TEST
Test the Safety Pressure Relief Valve in
accordance with ASME Boiler and Pressure
Vessel Code, Section VI.