Installation Guide RN3000US Apr 2013
37
maximum values specified in the rating label. Check both the
polarity and the open-circuit voltage from the PV strings
Figure 5-4 DC Connection Terminals
CAUTION!
Avoid using wire nuts to for any connections in the PV system. Wire
nuts are a frequent cause of unreliable, resistive connections, and ground
faults.
5.4.2 Connecting the DC Wires
1) Verify that the AC breaker(s) are OFF.
2) Verify that the DC breaker is OFF.
3) Pull the DC wires from the DC breaker through the conduit into the interior
of the Digiwatts unit.
4) Connect the positive and negative DC wire to the terminal labeled DC+
and DC- in the Digiwatts unit.
5) Connect the PV array ground wire to the PE terminal labeled within
the Digiwatts unit.
6) Pull on the cables in order to make sure that they are sufficiently secured
within the terminals.
Po
Ground
Negative
—
Содержание Digiwatts RN3000US
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