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5
Installation
Installation and commissioning must only be carried out by qualified electrical experts!
The prescribed safety regulations, the technical interface conditions (TAB 2000), as well as VDE
specifications, are to be complied with.
In order to be able to carry out an energy measurement, a meter must be attached between the
grid feed-in point and the solar inverter (in accordance with the VDEW directive concerning „In-plant
generation systems on the low-voltage mains grid").
By means of the integrated anti-islanding protection, the function of the prescribed section switch is
fulfilled in accordance with the VDEW directive.
Caution: The secondary short-circuit current rating is increased at the transfer connection point to
the public electricity supply system by the nominal current of the connected solar inverter.
6
Installation of equipment
6.1
Installation location
• Install the device on a non-inflammable support base.
• Avoid installation on resonating bodies (light construction walls etc.).
• Installation is possible both indoors and protected outdoor area.
• An increased ambient temperature can reduce the efficiency of the PV system.
• Noise generation possible (avoid installation in the residential area).
• Ensure legibility of the LEDs and the display (read-off angle / installation height).
• Although the unit is fitted with UV-resistant components, direct exposure to sunlight should be
avoided.
• Despite having an IP65 enclosure and being certified in accordance with soiling category III, the
unit must not be allowed to become too heavily soiled.
• Heavy soiling can impair the unit's performance.
6.2
Minimum requirements
• Free convection around the solar inverter must not be impaired.
• For air circulation allow a clearance of approx. 10 cm to the side and approx. 50 cm above and
below the unit.
• The grid impedance at the supply terminal is to be considered (cable length, cable cross-
section).
• The prescribed installation position is to be adhered to (vertical).
• Unused DC connectors (Tyco) and interfaces must be shut through sealing plugs to ensure pro-
tection class IP65 for the whole system (inverter & cables).
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