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In the event of connecting MultiPlus units in parallel, the following requirements must be met:
- A maximum of six units connected in parallel.
- Only identical devices may be connected in parallel.
- The DC connection cables to the devices must be of equal length and cross-section.
- If a positive and a negative DC distribution point is used, the cross-section of the connection between the
batteries and the DC distribution point must at least equal the sum of the required cross-sections of the
connections between the distribution point and the MultiPlus units.
- Place the MultiPlus units close to each other, but allow at least 10 cm for ventilation purposes under,
above and beside the units.
- UTP cables must be connected with a Splitter from one unit to the other (and to the remote panel).
Connection/splitter permitted.See Appendix C
- A battery-temperature sensor need only be connected to one unit in the system. If the temperature of
several batteries is to be measured, you can also connect the sensors of other MultiPlus units in the system
(with a maximum of one sensor per MultiPlus). Temperature compensation during battery charging
responds to the sensor indicating the highest temperature.
- Only one remote control means (panel or switch) can be connected to the system.
4.4.6 Three-phase operation (see appendix D)
The MultiPlus can also be used in 3-phase wye (Y) configuration. To this end, a connection
between the devices is made by means of standard RJ45 UTP cables and a splitter (the same
as for parallel operation). The system (MultiPlus units plus an optional control panel) will
require subsequently configuration (see Section 5).
Pre-requisites: see Section 4.4.5.
Note: the MultiPlus is not suitable for 3-phase delta (Δ) configuration.
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