Site Construction; About Construction; Power Feed; Instruction For A Wall Bearing - ABB Terra DC wallbox Installation Manual

4 Site construction

4.1

About construction

The construction phase includes all work required to prepare the location and make it
ready for the placement and connection of the Terra DC Wallbox charger. The construc-
tion phase can start when:
The wall preparation work is done.
•
• All necessary permits are granted.
• The grid connection is available.
4.2

Power feed

The power cable enters the charger from below. Use foam or proper cable lugs and
glands to prevent the entrance of animals from the AC or Ethernet cable inlet.
4.3

Instruction for a wall bearing

1. Drill and tap 4 holes and insert the plug for fixation in the wall at the indicated
positions, refer to technical drawing in the Appendix A par. 10.1. For safety pur-
pose the number of recommended fixing screws will be 4xST7.3x70, using an ap-
propriate type of wall plugs (depending on wall's characteristics, structure and
type). It is installer's responsibility to choose an appropriate wall plug, consider-
ing a load on each plug equal to 820 N.
2. Doing the four holes above, make sure that the free spaces for the cables of the
Terra DC Wallbox are respected, refer to par. 2.2.1.
4.4

Power cable

• Cable type: two different cables
• Optional cable shielding must be attached to the PE Rail at both ends of the ca-
ble.
• The diameter of the cable conductor must be determined by your contractor /
electrician.
• The maximum cross section surface of the cable conductor is 35 mm².
• The PE conductor of the power cable must have the same diameter as the phase
conductors.
2 2 -O CT -19
3P+N+PE, shielded cables are optional if required by local law (Eu version
o
and NAM 3-phase).
2P+PE, shielded cables are optional if required by local law (NAM version
o
1-ph).
T ERRA D C WA LLBO X
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