Schneider Electric XW-MPPT-60 User Manual

Grounding
975-0400-01-01 Revision H 2–13
This manual is for use by qualified personnel only.
PV Connection and Auxiliary Lines
The PV array must not be grounded in either its positive or negative terminal. Do
not attempt to ground the PV+ terminal to have a common ground with the
battery. A positive ground connection at the PV array will bias both battery and
auxiliary terminals to –PV voltage with respect to chassis ground. This will
present shock hazardous voltages at the battery terminals and the auxiliary lines.
The internal auxiliary connector lines must not be grounded in either their positive
or negative terminal. Grounding the negative terminal of the auxiliary lines will
create a short on the battery side outside the reach of the unit’s over-current
protection.
Figure 2-8
Jumper Location
WARNING
haz
FIRE HAZARD
Do not ground the negative conductor of the auxiliary circuit.
Failure to follow these instructions could result in death or serious injury.
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