AERCO RECON 1000 User Manual
Page 76
RECON Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 5 – SAFETY DEVICE TESTING
Page 76 of 178
AERCO International, Inc.
100 Oritani Dr. Blauvelt, NY 10913
OMM-0103_0A
PRI: 10/28/2014
Phone: 800-526-0288
GF-147
Figure 5-6: SSOV Actuator Cover Location
5.10 PURGE SWITCH OPEN DURING PURGE
The Purge Switch (and Ignition Switch) is located on the Air/Fuel Valve. To check the switch,
proceed as follows:
Purge Switch Open During Purge
1. Set the unit’s ON/OFF switch to the OFF position. Place the unit in manual mode and set the
valve position between 25% and 30%.
2. Remove the Air/Fuel Valve cover by rotating the cover counterclockwise to unlock it (see
Figure 5-7).
3. Remove one of the two wires (#171 or #172) from the Purge Switch (Figure 5-8).
4. Initiate a unit start sequence.
5. The unit should begin its start sequence, then shut down and display PRG SWITCH OPEN
DURING PURGE.
6. Replace the wire on the Purge Switch and depress the CLEAR button. The unit should
restart.
SSOV ACTUATOR
COVER
ACTUATOR
COVER SCREW
SSOV