PBD175 (Spire 3.0) Service Manual
Publication Number: 620062609SER - 8 - ©2015-2016, Cornelius Inc.
LX3 Board
The LX3 board is located on the upper-left of the unit, as shown in Figure 7. It is mounted to the unit by two mount-
ing nuts, shown in Figure 7. It receives both 12 and 24 V input voltage.
Figure 7.
Valve Control Board
Mounting Tabs
Mounting Tabs
The Valve Control board is located on the upper-right of the unit, as shown in Figure 8. It is mounted to the unit by
four mounting tabs, shown in Figure 8.It contains both 12 and 30 V power.
Figure 8.
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