Xantrex XW4024-120/240-60, XW4548-120/240-60, XW6048-120/240-60, Installation Manual, Page: 94 / 146

XW Solar Charge Controller Installation
4–14 975-0239-01-01
This manual for use by qualified personnel only
4. Connect the PV array’s positive (+) output to the PV array disconnect.
5. Route another positive (+) cable from the other end of the PV disconnect to the XW
SCC terminal marked
PV
+.
6. Connect the negative (–) battery cable to the XW SCC terminal marked
BAT
–.
7. Connect a positive (+) cable from the XW SCC terminal marked
BAT
+ to the battery
disconnect.
8. Connect a second positive (+) cable to the other side of the battery disconnect and
connect to the positive (+) battery terminal.
9. Torque the XW SCC terminals according to the following table:
Be careful not to overtighten. Allow some slack on the cables within the controller
and secure the wiring with strain reliefs or cable clamps.
CAUTION: Reverse polarity damage
Before making the final DC connection or closing the DC breaker or disconnect, check cable
polarity at both the battery and the XW SCC. Positive (+) must be connected to positive (+).
Negative (–) must be connected to negative (–).
Wire Size Torque Value
AWG mm
2
in-lb Nm
14–10 2.5–6 15 1.7
8 10 18 2.0
6 16 20 2.25