SMA RAPID SHUTDOWN SYSTEM Instrucciones De Instalación página 31

SMA Solar Technology America LLC
5. Lead the positive and negative conductors of the second output string up to the connecting
terminal plate B.
6. Lead the existing equipment grounding conductors of the output strings to the equipment
ground bar and connect them:
• Strip the insulation of the equipment
grounding conductor by 12 mm (0.5 in).
• Thread the cylinder-head screw through the spring lock washer, the clamping bracket
and the washer.
• Lead the equipment grounding conductor between the washer and the clamping bracket
and tighten the cylinder-head screw using a hex socket screwdriver (TX 25) (torque: 6
Nm ± 0.6 Nm (53 in-lb ± 5 in-lb)).
7. Strip the insulation from the conductors of each output string by 12 mm (0.5 in).
8. Connect the conductors of the first output string
to the terminal block A. To do so, push the
locking levers upwards to the stop and insert the
conductors into the terminals. When doing so,
ensure that the positive terminal and negative
terminal have the correct polarity at the inverter.
9.
Danger of pinching fingers when the terminal block locking levers snap shut
The locking levers close by snapping down fast and hard.
• Press the locking levers of the terminal block A down with your thumb only. When
doing so, ensure that your fingers can not be pinched when the locking levers snap into
place.
Installation Manual
6 Electrical Connection
RSS-US-IA-xx-13 31