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7.4.2
Configuring the DC connector
Authorised elec-
The number of DC connectors to be configured depends on the number of strings used. At least two DC connectors must
be configured. Please proceed as follows for each DC connector:
Fig. 25: Insert wires
Legend
1
Wire for DC connection
2
Spring
3
Insert
4
Sleeve
DANGER
Lethal voltages are present in the DC cables!
Severe injuries and/or death may occur if the cables and terminals are touched.
The installation may only be carried out by a recognised electrician.
›
DC voltages of up to 900 V are possible.
›
Check that there is no current in any of the DC cables using a clip-on ammeter.
›
Photovoltaic modules supply a DC voltage as soon as they are exposed to light!
›
Stripped and voltage-free solar cables
Whilst stripping wires, ensure that you do not cut any individual wires.
1. Insert isolated wires with twisted ends carefully up to the end stop.
Wire ends must be visible in the spring.
2. Close the spring so that the spring latches.
3. Slide insert into sleeve.
4. Secure and tighten the cable fitting [ W_15/
5. Join insert with contact plug.
6. Check latch by lightly pulling on the coupling.
» DC connector configured.
NOTE
The permissible bending radius of at least 4x the cable diameter should be observed during installation.
Excessive bending forces endanger the protection rating.
All mechanical loads must be absorbed in front of the plug connection.
›
Rigid adaptations are not permitted on DC plug connectors.
›
Page 30
Fig. 26: Slide insert into sleeve
5
Cable fitting
6
Contact plug
7
Coupling
1.8 Nm].
Fig. 27: Check fastening
blueplanet hybrid 10.0 TL3
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