Connecting The Pv Array; Safety Instructions For Connecting The Pv Array; Wiring Requirements For Connecting The Pv Array; Reverse Connection Of The Pv Array - Ingeteam INGECON SUN String Control 320 Handbuch Für Montage Und Betrieb

Ingeteam

12. Connecting the PV array

This chapter explains the requirements and process for DC wiring from the PV array to the unit.
Read carefully before starting the connection process.

12.1. Safety instructions for connecting the PV array

Refer to Section "3. Safety" and the safety paragraph in this section before operating the equipment.
Make sure there is no voltage present on the unit before carrying out any connections. Once the
inverter is switched off, wait at least 10 minutes until internal capabilities are fully discharged.
Ingeteam accepts no liability for any damages caused by incorrect connection.
After connecting the PV array wiring, do not switch on the power until you have made all other
connections and the unit has been closed.
Use the Personal Protective Equipment specified in the section "3.2. Personal Protective Equipment
(PPE)".

12.2. Wiring requirements for connecting the PV array

• Only copper or aluminium cable shall be used.
• The DC connection cables must withstand at least 1000 V between poles and between each pole and
ground.
Connection through packing glands
Packing gland installed
Permitted wiring diameter
Permitted wiring gauge (guide value)*
Connection tightening torque
Connection using type 4 quick connectors
Permitted wiring diameter
Permitted wiring gauge (guide value)*
* Depends on the insulation of the wiring used.

12.3. Reverse connection of the PV array

Reverse connection of the PV array would have fatal consequences on the INGECON SUN String
Control and could cause serious damage to persons close to the unit.
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You must use spade tag terminals for connection to the fuses.
Connecting the PV array
INGECON SUN STRING CONTROL
M12
3.5 ~ 7 mm
4 ~ 10 mm
2
2.2 Nm
3.5 ~ 7 mm
4 ~ 6 mm
2
AAS2011IQM01_ - Installation and usage manual