STUDER Innotec
Xtender
16 V.3.2.0 User manual
The default values of the battery’s charge threshold level are shown in fig. 3a and specified in the
configuration table p.41. If they prove not to conform, it is necessary to modify them via the RCC
02/03 remote control before connecting the voltage sources on the AC input. Studer Innotec is not
responsible for default values not corresponding with the recommendations of the manufacturer.
If the factory settings are modified, the new values must be entered on the configuration table on p.
41 of this manual. The default values proposed by Studer Innotec are the usual values for lead acid
battery or gel batteries (VRLA or AGM).
The cabling and connection of the installation should only be carried out by an appropriately
qualified professional. The installation material such as cables, connectors, distribution boxes, fuses,
etc. must be adapted and must conform to the applicable laws and regulations the application
under consideration.
4.5.5
Earthing the battery
One of the two battery conductors can be earthed. This may be either the positive or negative
pole. In all cases the installation must conform to the local regulations and usage or specific
standards associated with the application.
In case of earthing, the earthing conductor section must at least be equivalent to the section of
the battery conductor. The earthing of the equipment must also adhere to these regulations. In this
case the use of the additional earthing screw is recommended (fig. 2b (17)), which is located at
the front of the device between the two lower fastening screws.
4.5.6
Connecting the consumers at the 230 V AC output
High voltages may be present on the connection terminals (13) and (14). Make sure that
the inverter is deactivated and that there is no AC or DC voltage present on the AC IN
terminals and battery terminals, before proceeding with the connection.
The 230 V consumers must be connected on the “AC OUT” (14) connection terminals with the wire
section conforming to the standards with regard to the rated current at the Xtender output (see fig.
1a). Distribution must conform to the local standards and regulations, and generally, be realised via
a distribution table.
The Xtender terminals are marked in the following way:
N = neutral, L = live
= protective earth (connected to the enclosure of the device).
Due to the source assistance function (Smart Boost) the current at the output of the
device may be higher than the rated current of the inverter. It is the sum of the current
supplied by the additional source and the current supplied by the inverter. In this case,
the dimensioning of the output cables will be carried out by adding the current
indicated on the protection device (H) located on the upstream of the unit, to the
nominal current of the inverter. (See fig. 1a and chap. 6.2.6 – p. 23)
If the assistance function at the source (Smart Boost) is not used, the size of the protection device
for the output (F) will be established at a maximum value equal to the rated current of the inverter,
or at the maximum value of the protection device at the input (H) if this is exceeds the rated
current of the inverter.
As of the connection of the battery, it is necessary to check that the configuration
values of the Xtender are conform to the recommendations of the battery
manufacturer. Non-conforming values may be dangerous and/or seriously damage the
batteries.
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