Kaco blueplanet 50.0 TL3 S Operating Instructions Manual

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Kaco blueplanet 50.0 TL3 S Operating Instructions Manual Manual pdf 23 page image

Electrical connectionOperating instructions KACO blueplanet 50.0 TL3 S/Basic/M/XL Page 23ENAuthorised electricianConfiguring the DC plug connectorNOTE: Before proceeding with the isolation ensure that you do not cut any individual wires.1. Isolate wire for DC connection by 15 mm.2. Insert isolated wire with twisted ends carefully up to the end stop.NOTE: Wire ends must be visible in the spring.3. Close the spring so that the spring latches.4. Slide insert into sleeve.5. Tighten cable fitting with the help of a 15 mm fork wrench applying a torque of 2 Nm.6. Join insert with contact plug.7. Check latch by lightly pulling on the coupling.» Make the electrical connection.NOTEThe permissible bending radius of at least 4x the cable diameter should be observed during installa-tion. Excessive bending force may negatively impact the protection rating.› All mechanical loads must be absorbed in front of the plug connection.› Rigid adaptations are not permitted on DC plug connectors.7.4.2 Dimensioning the string fuse (XL version)CAUTIONDamage to PV generator in case of faulty design of string fuses.If the string fuses are too large, the PV generator can be damaged by excessive current.› Select suitable string fuses depending on possible short-circuit currents and the cable cross-sec-tions used.Model Recommended fuses Quantityblueplanet 50.0 TL3 (XL) PV fuse 14 x 51 mm, 1100V , gPV, max. 20A 10Inserting the string fusesඣ Suitable string fuse (PV fuse 14 x 51 mm) has been selected.Note: DC fuses can be ordered from our customer service team. Use PVfuses only.1. Open the individual DC fuse holders one after another (Figure 25 onpage 21 and Figure 31).2. Insert DC fuse of the same type into the fuse holder.3. Close the DC fuse holder after fitting.» Fuse holders are fitted with fuses. Proceed with testing the earth leak-age.12Figure 31: Insert DC fuseKey1 2 Fuse holder for DC fuse