Connect The Pv Strings To The Tyco, Mc3 And Mc4 Plugs; Connecting The Dc Main Cable - SMA SUNNY STRING-MONITOR Technical Description

5 Electrical Connection
Connect the SUNCLIX DC plug connectors to the Sunny String-Monitor
1. Remove all transport plugs from all DC plug connectors.
2. Connect the assembled DC plug connectors.
3. Insert the sealing plugs provided into the DC plug
connectors that are not needed. This way you seal
the DC plug connectors.
Sealing plug
The sealing plugs included in the delivery are meant only for the DC plug connectors.
• Do not insert the sealing plugs into the DC inputs on the Sunny String-Monitor.
4. Insert the DC plug connectors with sealing plugs in the remaining DC inputs on the Sunny String-
Monitor. This way you seal the Sunny String-Monitor.
5.4.3 Connect the PV Strings to the Tyco, MC3 and MC4 Plugs
1. Remove the sealing plugs from the plugs.
2. Connect the DC plug connectors.
5.5 Connecting the DC Main Cable
Damage to the electronics due to wrong cable installation.
In order for the Sunny String-Monitor and Sunny Central to work properly, EMC guidelines must be
observed.
• Lay the DC main cable and the data cable separately and at a distance greater than 400 mm
from one another.
Fire hazard due to faulty connections and rusted contact surfaces.
• Use special Al/Cu terminal lugs to connect an aluminum cable to the bolt clamp's copper bolt.
• Before connecting the cables clean the contact surfaces.
• Do not touch the contact surfaces after cleaning.
26 SSM-TEN103132
SMA Solar Technology AG
Technical Description