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PV AC combiner box

Operating instructions

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Содержание 40201S2V4C2A0ES

Страница 1: ...PV AC combiner box Operating instructions...

Страница 2: ...4000003077 00 02 2021 2...

Страница 3: ...e 11 4 4 Establishing connections 11 5 Installation 12 5 1 Installation site 12 5 2 Positioning of the combiner box 12 5 3 Fixation 12 5 4 Installing the combiner box 13 5 5 Inserting the fuses 15 5 6...

Страница 4: ...or death if you do not follow the instructions given in this manual CAUTION Risk of injury Notices with the signal word CAUTION warn you of situations which may result in in jury if you do not follow...

Страница 5: ...ng string If the installation regulations are violated all warranty and liability claims are void If a malfunction on a PV AC combiner box cannot be fixed after following the recommended measures the...

Страница 6: ...ut of this product ranges from 400 V to a maximum input voltage of 800 V per string inverter The necessary AC inverter outputs are to be connected at the PV AC combiner box inputs whereas one AC main...

Страница 7: ...n 5 1 3 4 2 Figure 3 2 Main components of the PV AC combiner box example 1 Circuit breaker or fuses 2 Ground terminal 3 Output terminals 4 Surge protection device 5 End bracket Figure 3 3 Inputs and o...

Страница 8: ...protection device SPD Figure 3 6 Surge protection device The surge protection device as an optional component has been selected corresponding to the customers require ments and in accordance with the...

Страница 9: ...olt and nut M12 NH 3 240 mm2 300 mm2 Bolt and nut M12 SPD Cross section Screw conection 2 5 mm2 35 mm2 Conductor cross section Tolerance of stripping length 4 mm2 1 mm 6 10 mm2 1 5 mm 16 mm2 2 mm In o...

Страница 10: ...V AC standard other options on demand Short circuit and over current protections Fuse blocks 3p with breaking capacity Rated AC current per input 135 A Breaking capacity 120 kA kA with fuses Enclosure...

Страница 11: ...Relative humidity 0 to 50 ATTENTION Material damage The AC box must be stored lying flat on the rear side Otherwise the cable glands and connectors at the bottom of the enclosure can be damaged In the...

Страница 12: ...etime or damage to the internal components of the com biner box To protect the combiner box against direct sun light and rain you can install it under the pho tovoltaic modules or a protective canopy...

Страница 13: ...se the cable glands and connectors at the bottom of the enclosure can be damaged Remove the combiner box from the original packaging Measure the exact distances between the drilling holes and mark the...

Страница 14: ...5 D 1090 1 This table is a reference For specific measure of your product please refer to the documentation delivered with the product Enclosures mounting lugs and fixing points1 Size Dimensions HxWxD...

Страница 15: ...e into the combiner box Make sure the wires pass through their designated cable gland with their thread in correct position Strip the conductor for the input cross section according to the ring termin...

Страница 16: ...regard the following steps to prepare the aluminium conductors Scrape the stripped end of the conductor carefully e g with a knife to remove the layer of oxide Do not use brushes files or emery paper...

Страница 17: ...ded to carry out a general inspection on the PV AC combiner box and the status of the installation be fore commencing operation The installation must comply with either local and interna tional regula...

Страница 18: ...ed by Weid m ller within each individual PV AC combiner box In case the PV AC combiner box has been provided without fuses please use the au thorised fuses or contact with your Weidm ller representati...

Страница 19: ...oard same model and rate Before replacing fuses verify that there is no electrical issue active in the circuit which could cause the blowing of the new fuse Use the appropriate tool to extract the dam...

Страница 20: ...ing agents solvents and high pressure cleaners Use a cloth moistened with clear water for cleaning Clean the enclosure at regular intervals so that the warning symbols are always clearly visible Only...

Страница 21: ...ter or humidity inside the enclosure Regard the tightening torques in the specific docu mentation inside each PV AC combiner box Check the cable glands and retighten them if needed Surge protection ar...

Страница 22: ...easure voltage Check the voltage of the strings by using the test ing points in the terminals General inspection Check that there are no burn marks on the termi nals 9 2 Service If you have any questi...

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