Ingeteam INGECON SUN 3Play Série Manuel D'installation page 122

Ingeteam
4. Make the connection with a screw terminal marked with the polarity and numbering of the PV array. These
terminals are marked as XPV1+ y XPV1- on TL units and as XPV1+, XPV1-, XPV2+ y XPV2- on TL M units.
Remember that not all models of the unit have the same rated current for each input.
TL units
5. To make the connection, strip an 18 mm section of the cable. Using a tubular terminal is optional.
6. Screw in the terminal with a torque of 5 Nm.
7. Secure the packing glands without pulling on the cables.
8. Reinstall the polycarbonate guard.
9. The DC cables must remain without voltage while the unit door is open.
When powering the PV array, follow these steps:
10. Only connect string 1 in the external string box of the MPPT1.
11. Turn the DC switch to ON.
12. Check that at least one of the unit's display LED blinks. Otherwise, check the wiring polarity (in the
inverter and in the string box), turn the DC switch OFF and fix it.
13. Turn the DC switch to OFF.
14. In TL M units, disconnect the string 1 wiring on the MPPT1 in the string box.
15. On TL M units, repeat steps 10 to 13, with the MPPT2 string 1.
16. Connect the remaining connectors according to the polarities.
122
TL M units
ABO2011IQM01_A - Installation and Operation Manual
DC connection