Victron energy Quattro 12/5000/200 User's Manual & Installation Manual page 14

4.6.6 Connecting Quattros in parallel (see appendix C)
The Quattro can be connected in parallel with several identical devices. To this end, a connection is established between the devices
by means of standard RJ45 UTP cables. The system (one or more Quattro's plus optional control panel) will require subsequent
configuration (see Section 5).
In the event of connecting Quattro units in parallel, the following requirements must be met:
A maximum of six units connected in parallel.
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Only identical devices with the same power ratings may be connected in parallel.
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Battery capacity should be sufficient.
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The DC connection cables to the devices must be of equal length and cross-section.
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If a positive and a negative DC distribution point is used, the cross-section of the connection between the batteries and the DC
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distribution point must at least equal the sum of the required cross-sections of the connections between the distribution point and
the Quattro units.
Place the Quattro units close to each other, but allow at least 10 cm for ventilation purposes under, above and beside the units.
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UTP cables must be connected directly from one unit to the other (and to the remote panel). Connection/splitter boxes are not
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permitted.
A battery-temperature sensor need only be connected to one unit in the system. If the temperature of several batteries is to be
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measured, you can also connect the sensors of other Quattro units in the system (with a maximum of one sensor per Quattro).
Temperature compensation during battery charging responds to the sensor indicating the highest temperature.
Voltage sensing must be connected to the master (see Section 5.5.1.4).
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If more than three units are connected in parallel in one system, a dongle is required (see Section 5).
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Only one remote control means (panel or switch) can be connected to the system.
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4.6.7 Three-phase configuration (see appendix C)
Quattro's can also be used in 3-phase confuguration. To this end, a connection between the devices is made by means of standard
RJ45 UTP cables (the same as for parallel operation). The system (Quattro's plus an optional control panel) will require subsequently
configuration (see Section 5).
Pre-requisites: see Section 4.6.6.
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