3. Pull out the DIN- rail.
4. Insert a screwdriver into each AC terminal block and press to remove the cables.
5. Remove the AC terminal blocks from the DIN-rail.
To install the new AC terminal blocks:
1. Snap the two new AC terminal blocks onto the DIN rail. Place the terminal block
labeled “L1” on the left side of each pair and “L2“ on the right and put back the
terminal block labeled “N".
2. Snap the end-stops onto the DIN rail - one on each side of the DIN rail.
3. Insert a dedicated tool or a 3.6"/5mm flat-blade screwdriver into the opening and
rotate it counter-clockwise to unlock the clamp mechanism.
4. Press the latch with your finger to hold the clamp in the unlock position.
5. Fully insert the AC cables into the cable openings and slightly rotate the screwdriver
counter-clockwise to release the latch.
6. Check that all the terminal block wires are firmly and correctly connected .
Replacing the Bus Bar, inside the DC Safety Unit
For the location of the existing bus bars inside the DC Safety Unit, see
To replace the bus bar:
1. Unscrew the two screws connecting the bus bar to the board.
2. Replace with the new bus bar and tighten the screws with a screwdriver.
3. Reconnect the grounding wires.
Chapter 5: Professional Installer- Connecting the AC Directly to the Smart
EV Charger
32
Smart EV Charger Installation MAN-01-00657-1.0