Weidmuller PV Next String Combiner Box Bedienungsanleitung Seite 40

Commissioning
Variant with cable glands:
Observe the correct torques. Close off all ca-
ble glands that are not in use. To do so, use
the accessories
SL SET PV next (multiple sealing inserts, reduc-
ing sealing inserts, blind pins).
Remove the caps and rubber seals on the M25 cable
glands for IN + and OUT + as well as IN—and OUT—.
Insert a new multiple sealing insert (3 x 7 mm) into each
cable gland and mount the two caps.
If not all openings of the multiple sealing inserts are re-
quired, close off all openings that are not needed using
the enclosed blind pins (Ø 7x28 mm).
If only one output cable is intended for OUT + and OUT
-, you can alternatively provide the M25 cable glands
with the enclosed 9 —16 mm reducer sealing insert.
Feed the output cable through the cable glands into the
enclosure.
Strip the output cable and connect it.
Connect the output cable to the inverter(s). Refer to the
inverter manufacturer's
Ensure that the string cables are free of voltage.
Check the absence of voltage using a suitable voltage
tester.
Insert the string cable.
Strip the string cable and connect it.
Check that all cables are connected with the correct po-
larity.
Tighten the union nuts of the cable glands (observe tor-
ques).
Optional: Insert the fuse links into the fuse holders.
Mount the cover of the product (observe torque).
Connect the string cables to the PV generators.
Switch the switch-disconnector
position.
Switch on the inverter.
40 Weidmüller
from the enclosed seal set
documentation.
of the product to the On
Variant with PV connector:
If your product is equipped with PV connectors, protect
unused connectors with protective caps to prevent dust
and moisture from penetrating inside.
Protective caps: VSSO WM4 C 1254870000
Plug the output cables into the output connectors
(OUT+, OUT-).
Connect the output cables to the inverter(s). Refer to the
inverter manufacturer's
Check that all cables are connected with the correct po-
larity.
Optional: Insert the fuse links into the fuse holders.
Mount the cover of the product.
Plug the string cables into the input connectors (IN+,
Tighten the cap nuts of the cable glands (observe tor-
ques).
Switch the switch-disconnector
position.
Switch on the inverter.
Take care not to cover the pressure equalisation
element of the product. This element reduces the
formation of condensation
documentation.
of the product to the On
in the enclosure.
2690250000/05/10.2022