12 safety pressure relief valve test – AERCO Innovation (G-13-1854 and above) User Manual
Page 70

Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 5 – MODE OF OPERATION
Page 70 of
196
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
OMM-0078_0J
PRI: 11/22/2013
Phone: 800-526-0288
GF-128
Ignition Switch Open During Ignition – Continued
5. Initiate a unit start sequence.
6. The unit should begin its start sequence and then shut down and display IGN SWITCH
OPEN DURING IGNITION.
7. Replace the wire on the Ignition Switch and press the CLEAR button. The unit should
restart.
Figure 5-7. Typical Air/Fuel Valve Cover Location
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 Pressure Vessel Code, Section
VI.
AIR/FUEL VALVE
COVER
(Rotate CCW to remove)
Ignition Position
Switch
Purge Position
Switch
TO BLOWER
VALVE POSITION
DIAL
170
169
172
171
AIR/FUEL VALVE
SWITCH WIRING
BREAKOUT
AIR IN