AERCO RECON 1000 User Manual
Page 77
RECON Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 5 – SAFETY DEVICE TESTING
OMM-0103_0A
AERCO International, Inc.
100 Oritani Dr. Blauvelt, NY 10913
Page 77 of 178
GF-147
Phone: 800-526-0288 PRI:
10/28/2014
5.11 IGNITION SWITCH OPEN DURING IGNITION
The Ignition Switch (and the Purge Switch) is located on the Air/Fuel Valve. To check the
switch, proceed as follows:
Ignition Switch Open During Ignition
1. Set the unit’s ON/OFF switch to the OFF position.
2. Place the unit in Manual Mode and set the valve position between 25% and 30%.
3. Remove the Air/Fuel Valve cover (see Figure 5-7) by rotating the cover counterclockwise to
unlock and lift up to remove.
4. Remove one of the two wires (#169 or #170) from the Ignition Switch (Figure 5-8).
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
AIR/FUEL VALVE
COVER
(Rotate CCW to remove)