Italtecnica Brio TOP Manuel D'instructions page 26

AUXILIARY CONNECTOR CONNECTION
Setting Mode admitted
Aux. Con.
0 P+F / P+P
1 P+P
2 P+F / P+P
3 P+F / P+P
4 P+P
DESCRIPTION OF FUNCTIONS OF AUXILIARY CONTACTS:
Parameter "Aux. Con." = 0
In this mode, all functions of the auxiliary contact are disabled.
Parameter "Aux. Con." = 1 – Operation in twi n set mode with two Brio Top
In this mode two devices can be connected to operate in
an alternating twin booster set. If pressure falls, the
"master" pump is started up first, followed by the "slave"
pump (when required); shutdown of the pumps is
simultaneous when the maximum operating pressure is
reached (Pmax). Terminals 1 to 4 are used for the
connection of two devices while terminals 5 and 6
provide a relay output that is activated in the event of an
alarm. The parameter "Aux. Con." can only be set to
"1" if the current operating mode is " P+P"
(pressure+pressure).
Brio Top is equipped with a connector to make auxiliary
contacts available for additional functions, interfacing the
device with other external equipment.
The functions of each terminal depend on the settings of the
parameter "Aux. Con." According to the diagram below.
Functions "1" and "4" are available only if the operating
mode is set to " P+P" (pressure+pressure). * Further
information regardi ng the set-up of twin booster sets can
be found at the end of this manual, i n appendices A and
B .
AUXILIARY CONNECTOR
Associated function:
None, inputs and outputs disabled
Combination of two Brio Top units in a twin pumping system
with automatic alternation.
Availability of an input to enable operation (for example of an
external float) and a relay output for alarm status signals.
Availability of an input to enable operation (for example of an
external float) and a relay output for motor operation signals.
Combination of one Brio Top with an inverter Sirio/Sirio Entry
for the set-up of a constant pressure twin pumping system with
a reserve pump.
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ALARM
OUTPUT
26
ALARM
OUTPUT