Installation
P/N 06-237041-001 2-27 February 2011
2-7.5 Connecting Standby Batteries To PMU Board
Note: Observe polarity when connecting batteries to the control unit.
To connect the standby batter(ies)to the control unit:
1. Calculate the size of the battery required for the application. Refer to Appendix A for the
proper procedure.
2. Connect two or more 12-volt, series-wired batteries of the required ampere-hour (AH)
capacity to Terminal J10 on the PMU Board using battery cables found in the PMU Board
hardware kit. See Figure 2-22 below.
Figure 2-22. Standby Battery Connections
WARNING
Batteries contain sulfuric acid that can cause severe burns to the skin and eyes and can
damage clothing. Immediately flush areas of the skin or eyes that have been contacted
with sulfuric acid for 15 minutes with water and seek medical attention promptly.
--
12V Battery
12V Battery
+
-
+
-
+
+
J10 on
PMU
Battery Cables
BatteryJumper
--
12V Battery
12V Battery
+
-
+
-
+
+
J10 on
PMU
Battery Cables
Typical (by installer)
Note:
Locate all batteries in a common
battery cabinet or in close-coupled
battery cabinets withall battery
cables in conduit.
BatteryJumper
Typical (by installer)
12V Battery
12V Battery
+
-
+
-
Single-BatterySet Installation
Dual-BatterySet Installation