Innovation Water Heaters Installation, Operation & Maintenance Manual
CHAPTER 5 – SAFETY DEVICE TESTING
OMM-0078_0M
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
75
of
216
GF-128
Phone: 800-526-0288
09/11/2015
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
