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8 English
Xantrex, in researching the requirements for inverter
use in different markets, provides the following table
that outlines the minimum DC cable size and maximum
fuse/breaker size allowed by different regulatory bodies
in the U.S. There may be other codes and regulations
applicable to your installation:
To make DC wiring connections:
1. Before making any connections, route the positive
and negative battery cables directly to the DC
connection terminals on the Prosine Inverter. Slide
the plastic terminal connector covers (boots) over
the positive and negative cables (the red boot slides
on the positive cable and the black boot slides on
the negative cable). Do not route the cables through
an electrical distribution panel, battery isolator, or
other device that will add additional voltage drops
except for the required fuse or breaker on the
positive battery terminal. Install the inverter so that
the battery wire length is as short as possible. The
connectors on the Prosine Inverter are designed to
fit up to 250 MCM crimp-on ring terminals (either
AMP or ILSCO) or box connectors (these tighten
on connected cable using a set screw). Note, the
coloured terminal covers (boots) fit much better
with crimp-on ring terminals, and these are
recommended over the box connectors.
2. Neatly cut the cables to the correct length and strip
enough insulation to properly install the ring
terminals or connectors. Attach the terminals to both
cables using the crimp tool recommended by the
manufacturer of the ring terminals. There must be
no stray wire strands protruding from the terminal.
Connect the terminal on the positive cable to the
positive battery connector (stud) on the inverter and
tighten with a wrench to a torque of 9–10 ft-lbs
(11.7–13 Nm). Test that the cable is secure and is
connected to the correct positive terminal.
3. An inline fuse between the Prosine Inverter and
the battery is required by regulations for all
installations. Again, refer to Table 4 for examples
of correct fuse sizing for some regulations. This
fuse protects your battery and wiring in case of an
accidental short circuit during installation of the
inverter or later damage to the wiring. The fuse
and fuse holder need to be installed in the positive
side of the DC circuit, as close as possible to the
batteries and within the distance specified by the
applicable installation code. Ensure all other power
and ground connections have been made to the
Prosine Inverter before connecting the DC cables
to the batteries.
4. Connect the cable from the POSITIVE connector
on the Prosine Inverter to the POSITIVE (POS +)
terminal on the fuseholder. Observe the polarities
carefully while performing the installation and do
not reverse the polarities. Route both cables before
making any connections.
5. Connect the DC NEGATIVE cable to the
NEGATIVE (NEG -) terminal on the battery. Next,
connect the cable to the negative terminal on the
inverter. The connection to the negative terminal
of the Prosine Inverter should be the last connection
made. A spark when making this final connection
is normal.
6. For residential installations, a DC wiring enclosure
is required to cover the DC connections. Contact
Xantrex or your distributor for this part. For non-
residential installations, slide the rubber terminal
boot covers up the cable and over the terminal
connections.
C
AUTION
Clean battery terminals before making
connections. Wear eye protection to keep
corrosion from coming in contact with eyes.
Figure 4. Battery Connections
C
AUTION
An inadvertent reverse polarity connection
may cause damage to the
Prosine
Inverter
and it will require servicing (internal fuse will
open). Before making the final DC connection,
observe polarities to ensure that the wiring is
correct.
W
ARNING
Make sure all the DC connections are tight
(torque to 9–10 ft-lbs, 11.7–13Nm). Loose
connections will overheat and could result in
a potential fire hazard.
Table 4. DC wire sizes and inline fuse requirements
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1
Based on ABYC Recommended Practice E-9, 75°C wire
2
Based on NFPA 70, Article 551, 90°C wire
3
Based on NFPA 70, Article 240 and 310, 75°C wire
Xantrex Prosine Inverter Owner’s Manual
Summary of Contents for Prosine 1000i
Page 1: ...1000 1000i 1800 1800i Owner s Manual Xantrex Prosine Sine Wave Inverter 1000 1800 ...
Page 2: ......
Page 6: ...2 English Xantrex Prosine Inverter Owner s Manual ...
Page 23: ...NOTES English 19 Xantrex Prosine Inverter Owner s Manual ...
Page 24: ...NOTES 20 English Xantrex Prosine Inverter Owner s Manual ...