3 connecting the pv array, Connecting the pv array – SMA SB 1.5-1VL-40 User Manual

Page 30

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☑ The stranded wire can be seen inside the

clamping bracket chamber.

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✖ The stranded wire cannot be seen in the chamber?

The cable is not correctly in place.

• Release the clamping bracket. To do

so, insert a screwdriver (blade width:
3.5 mm) into the clamping bracket
and pry the clamping bracket open.

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1

2

• Remove the cable and go back to step 2.

4. Push the swivel nut up to the thread and tighten

(torque: 2 Nm).

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1

2

6.5.3

Connecting the PV Array

Damage to the DC connectors due the use of contact cleaner of other cleaning agents
Some contact cleaners or other cleaning agents may contain substances that decompose the
plastic of the DC connectors.

• Do not use contact cleaners or other cleaning agents for cleaning the DC connectors.

1. Ensure that the circuit breaker is switched off and that it cannot be reconnected.
2. If an external DC load-break switch is installed, disconnect the external DC load-break switch

from all voltage sources.

6 Electrical Connection

SMA Solar Technology AG

Operating Manual

SB15-25-BE-en-10

30

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