For inserting the system upgrade slot-in boards proceed as follows: Warning! Hazard due to supply voltage and DC-voltage from the solar modules. Only licensed electricity installers are authorized to open the connection area and only on condition that is not under voltage.
(1) (2) (3) (4)
insert ENS card only in this slot
Insert slot-in boards, FRONIUS IG (Installation for indoor housing) (continued)
- open connection area - see chapter „Open the Housing“ - slide display towards the left side (1) and remove it from the front (2) - loosen fastening screw and remove board slot cover Note! In dealing with slot-in boards please observe the general ESD regulations. - insert board (3) in any one of the slots - tighten board (3) with fastening screw (4) For versions for countries where the ENS card is a standard requirement, the unit will not operate without this card. Legal regulations require a safety system which does not allow operation of the FRONIUS IG without installation of ENS. - power supply feeding operation can be resumed as soon as the ENS card is placed back in the slot (slot on the left outside, see illustration)
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Insert slot-in boards, FRONIUS IG (Installation for indoor housing)
