The Delay Out of the second AR-PRO is connected to
All connections for remote operation are made
Single AR-PRO, remote turn-on: Connect a
when certain types of equipment are powered up
group of AR-PROs in a delayed sequence.
located AR-PROs using wiring carrying only a low
Interrupt (GFI), and it keeps tripping. What can I do?
ing some of the capacitors that shunt the noise to
ground. In doing so, these filters can create the very
limit when measured by a conventional average or
problem is to reduce the amount of filtering by remov-
Q. Why is there a 3 second delay before power goes on?
strip.
of current being drawn by equipment using switching
Single AR-PRO, local turn-on only: Turn-on/off is
the ON position. When the switch is open, the AR-
that will disconnect the load on sensing approximately
may experience the same effects if someone else on
closer to 5 mA and are therefore generally not a prob-
ics in the AC current waveform because they work
PRO with equipment containing switching power supplies?
can be created by the filters whose purpose is to clean
well within limits yet things are running hot, breakers
In North America, the GFIs we have tested trip at
simultaneously. Using such a delayed sequence
Delay Out of the first AR-PRO (the one that will turn on
the GFI is unavoidable, the only way to alleviate this
control signal can be safely routed through wiring no
severely overloaded for its rating. If your load appears
for assistance.
There are three recommended configurations:
tain situations; for example, turning on amplifiers on
To create a remote delayed sequence, all front panel
leakage current in half.
3 mA of ground current. This relatively small current
circuit.
line. In such a situation, reduce your load by unplug-
signal is DC, so it will not cause noise in adjacent
Power switches must be left in the ON position. All
AR-PROs are powered from the same circuit.
ging some equipment and power it through a different
can avoid blowing a house breaker when all the
are tripping, and/or transformers are buzzing, you may
control voltage. This can be very convenient in cer-
with the Power switch on the front panel. No wires
Multiple AR-PROs, remote turn-on in delayed
switch between the Remote Out and Remote In
industrial equipment. Such supplies generate harmon-
REMOTE/DELAYED OPERATION
power it through a different circuit.
up the power by shunting noise and interference to
ground. If this becomes necessary, consult the factory
variety of programmable logic controllers for controlling
Q. Are there any special considerations for using the AR-
leakage currents that cause the GFIs to trip! If use of
The master on-off switch must be connected to the
lem. Also, running on the lower voltage range cuts the
internally in the AR-PRO; all that is needed is wiring
and a SPST switch.
a stage from a sound booth in the rear of a hall. The
PRO is on; when closed, the AR-PRO, is off.
heavier than an unused microphone line. The control
RMS reading meter, but the heating effects in the wir-
supplies may appear well under the AR-PRO's 30 amp
sequence: A built-in delay of approximately a
your line is doing so. Your utility company may be able
audio lines. The necessary voltages are generated
to help you determine the cause.
tional units.
AR-PRO AC LINE VOLTAGE REGULATOR
A. Some European countries are using GFI circuits
ger the potentially large inrush currents that occur
A. This built-in delay allows the internal sensing cir-
through the screw terminal strip on the rear panel.
ing (both hot and neutral) can cause the wiring to be
quarter second is automatically provided to stag-
Ground terminals must be connected together. The
terminals. Leave the front panel Power switch in
video gear, lighting controllers, computers, and a
the Remote Out of the third unit, and so forth for addi-
be experiencing high harmonic content in your power
or jumpers should be connected to the terminal
Q. I connected the AR-PRO through a Ground Fault
first) is connected to the Remote Out of the second unit.
cuitry to stabilize and provides a means of turning on a
by switching on and off at high speed. The amount
It is possible to control one or a group of remotely
Even if you are not running this type of equipment, you
A. Switching power supplies are frequently used in
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Esta version es la html del arhivo pdf AR-PRO_manual, genearada por domotica.name desde www.furmansound.com
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