D2020N User Guide
6
Wiring instructions
For safety and to avoid damage, connection of wires must be
done in the following order.
All connections must be tight!
a. Connect the battery first. Positive to Battery+, Negative to
Battery -. If the display comes on, then connection is correct.
(see figure 3)
b. Connect the negative (-) wire from the solar panel(s) to the
solar panel negative (-) terminal.
BOOST
V
T
Battery
+
–
Display comes on
Connect
Battery
1
* *
*For safety, most installation
standards require fuses or
circuit breakers on both sides
of the battery.
For other connections, see the
reference manual.
DO NOT CONNECT INVERTERS TO
THE LOAD TERMNIAL
WARNING:
The controller can be
damaged quickly by
reverse connection of
the solar array in 32V,
36V and 48V systems.
Test first to avoid
damage.
Fig. 3
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