AERCO Innovation (G-13-1854 and above) - Manual (Page 69)

Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 5 – MODE OF OPERATION
OMM-0078_0J
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Page 69 of
196
GF-128
Phone: 800-526-0288
PRI: 11/22/2013
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.
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).
SSOV ACTUATOR
COVER
ACTUATOR
COVER SCREW