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Installation
8
975-0171-01-01
AC Components
AC Input
AC input to the RS3000 can be supplied from a split-phase or dual-input AC
source such as the utility grid (power company), a generator, or the output of a
transfer switch. The RS3000 can be operated from the following types of 120 volt
60 Hz AC sourc
two 120 VAC lines are 180 degrees out of phase with each other, so that the
es:
• Split phase: This source type has two lines, one neutral, and one ground. The
two voltages total to 240 VAC. The voltage between each line and neutral is
still 120 VAC, and the voltage between the neutral and ground is
approximately zero.
Because the two lines are out of phase, the currents from each line subtract in
the neutral, and the neutral current will be approximately zero if the loads are
equal. For example, if Line 1 is supplying 20A and Line 2 is supplying 15A,
the current in the neutral will be 5A.
•
Dual input: This source type has two line inputs, one neutral, and one ground.
Unlike the split-phase type, the two lines are in phase (not out of phase), and
must come from the same source. The voltage between the two lines is zero.
The voltage between each line and the neutral is 120 VAC, and the voltage
between the neutral and ground is approximately zero.
Because the two lines are in phase, the currents from each line add together in
the neutral. For example, if Line 1 is supplying 20A and Line 2 is supplying
15A, the current in the neutral will be 35A.
AC Output
AC output from the RS3000 is 120 VAC, and can be wired as single output or dual
output.
AC Loads
The RS3000 is intended to power loads consisting of 120 VAC appliances.
In Invert mode, the RS3000 connects L1 and L2 output lines together to provided
120 VAC to loads on either line. In AC Bypass mode, the source connected to the
AC input is passed through to the load. Because of the way invert mode operates,
only 120 VAC appliances can be connected to the RS3000 output.
Important:
Single-phase input (where only one of the AC inputs (L1 or L2) is
energized) is not supported because the RS3000 is designed for inputs that energize both
lines (L1 and L2). This may be accomplished with an appropriate transfer switch ahead of
the RS3000. Consult a qualified installer.
Содержание RS3000
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