Xantrex Freedom EX 4000, Руководство по установке

Страница: 20 / 52

Basic Installation Procedures
18 Freedom EX 4000 Installation Guide
Step 4: Connecting the AC Input
Wires
WARNING
ELECTRIC SHOCK AND FIRE HAZARDS
Make sure wiring is disconnected from all electrical sources
before handling. All wiring must be done in accordance with local
and national electrical wiring codes. Do not connect the output
terminals of the Freedom EX 4000 to any incoming AC source.
Failure to follow these instructions can result in death, serious
injury, or equipment damage
.
General AC Wiring Considerations
AC Wiring Connectors
Where applicable, connect AC wires with crimp-on splice
connectors. The amount of insulation you strip off individual
wires will be specified by the connector manufacturer and is
different for different types of connectors.
AC and DC Wiring Separation
Do not mix AC and DC wiring in the same conduit or panel.
Where DC and AC wires must cross, make sure they do so
at 90
°
to one another. Consult applicable codes for details
about DC and AC wiring in close proximity to each other.
AC Wiring and GFCIs
You can also connect the inverter to an existing AC
installation and then plug loads into GFCI receptacles
connected to that circuit.
AC wiring includes all the wires and connectors between
the AC source and the Freedom EX 4000 and all wiring
between the inverter/charger/converter, the AC panels,
GFCI, and circuit breakers. The type and size of the wiring
varies with the installation and load. For RV and marine
applications, flexible multiple-strand copper wire is
required.
AC wiring must be sized appropriately using conductors
with insulation rated at least 75 °C to carry full load current
on the input and output AC circuits in accordance with the
electrical codes or regulations applicable to your
installation.
Table 4 is based on the U.S. National Electrical
Code and the Canadian Electrical Code, assuming two-
conductor-plus-ground cable, using 75 °C wiring, at an
ambient temperature of 30 °C. Other codes and regulations
may be applicable to your installation.
Required Breaker
Size (amps)
Required Wire
Size
Freedom EX
4000 50 A maximum per
line
8 AWG
3
10 AWG
4
Table 4 Required AC wire size vs. required breaker rating
The AC input terminal is located inside the unit
through the front panel’s ½" trade-size hole (or ¾"
trade-size knockout) and is labeled properly as
AC
IN or AC INPUT . Similarly, the AC output terminal is
located inside the unit through the front panel’s ½"
trade-size hole (or ¾" trade-size knockout) and is
labeled properly as
AC OUT or AC OUTPUT . The
unit comes with spring clamp-type terminals where
individual wires can be attached securely.
Size of AC Output Wiring
(35A single-phase)
Wire size must be coordinated with the current the
wiring will carry. This current may be determined by
the 33.3-amp maximum inverter current, or by the
pass-through current, which is determined by the
overcurrent protection provided ahead of the
Freedom EX 4000.
Some conditions:
n
If the input wiring is split-phase, the output
wiring must be sized to coordinate with the
breakers used on the input. Refer to your
applicable installation codes.
n
If the input wiring is dual-input and the output
wiring is single-output, the following rules
apply: If the input breaker on L1 is greater
than 33.3 amps, the wire size must be
coordinated for that amperage. If the input
breaker on L1 is less than 33.3 amps, the wire
size must be coordinated for 33.3 amps. The
wire size must not be sized for anything lower
than 33.3 amps.
3
single-phase, 75 °C minimum rated
4
split-phase, 75 °C minimum rated