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

Page 70

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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