Xantrex XW4024-120/240-60 Installation Manual page 94

XW Solar Charge Controller Installation
4–14
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
6. Connect the negative (–) battery cable to the XW SCC terminal marked
7. Connect a positive (+) cable from the XW SCC terminal marked
disconnect.
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 (–).
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:
Wire Size
2
AWG mm
14–10 2.5–6
8 10
6 16
Be careful not to overtighten. Allow some slack on the cables within the controller
and secure the wiring with strain reliefs or cable clamps.
This manual for use by qualified personnel only
+.
PV
Torque Value
in-lb Nm
15 1.7
18 2.0
20 2.25
–.
BAT
+ to the battery
BAT
975-0239-01-01