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To make connections to DC terminals:
1.
Ensure the inverter is OFF and no connections are being made to DC or AC circuits.
2.
Remove nuts and washers from the DC terminals of the inverter.
3.
Depending on the size of the connectors chosen, strip about ¾ inches of insulation from the
cables. The connectors chosen will need to create a permanent, low-resistance connection.
4.
Attach terminals to both ends of cables. One end for the connection to the battery, and the
other end for connection to the inverter. Confirm no stray wires are left hanging out of the
connector or terminal. Connectors should be crimped properly to the cables using approved
connectors and tools.
5.
Installation of a fuse and fuse holder to the positive cable is required. The fuse must:
Be placed on the positive cable and close to the battery
Be rated for DC circuits
Exhibit an Ampere Interrupting Capacity (AIC) exceeding the short-circuit current
available from the battery (Class T fuse).
6.
Turn the battery selector/disconnect switch to OFF to avoid sparking when making
connection
7.
Attach connector of positive cable to the positive DC terminal of the inverter.
8.
Install flat washer then the lock washer and nut back on to the inverter. Tighten the nut to
12.2 – 13.6 Nm. The connection should be tight enough that the ring terminal does not move
on the DC terminal.
CAUTION
–
A loose connection at any terminal may cause the wires to overheat and melt
insulation, they will also cause an excessive voltage drop.
CAUTION
–
Over-tightening any of the lugs and nuts may cause damage to the DC input
terminals.
CAUTION
: Reverse polarity –
Permanent fuse damage in the inverter will be caused if the
polarity of the wires is switched. Positive must go to positive, and negative must go to
negative. Replacement of this fuse must be performed by the manufacturer.
9.
Double-check the cable that was just installed is the positive cable connecting the DC
terminal of the inverter to the disconnect/battery selector switch, and then from there the fuse
holder. Also ensure the other end of the fuse holder is connected to the positive terminal of
the battery.
WARNING
: Explosion or fire –
DO NOT continue with the following steps if flammable
materials or fumes are in the area. Battery disconnect/selector switch must be in OFF
position or the following steps may result in explosion or fire. Proper ventilation is crucial.
10.
Connect the negative cable from the negative post of the battery to the negative DC terminal
of the inverter.
11.
Install flat washer then the lock washer and nut back on to the inverter. Tighten to 12.2-13.6
Nm.
