Delta H10E, Operation And Installation Manual

Page: 22 / 51

5.6 Grounding
Six Grounding Electrode Conductors are installed inside the wiring box , they are
torx head screw type connectors. The terminals accept solid or stranded copper
6mm^2 - 22mm^2 wire, recommend screw torque is 18 in-lbs (2N-m).
A
A: Grounding
*
Screw torque: 2 N-m
B: Additional
grounding
A
B A
Figure 5-7 : Ground cable connection
WARNING !
• As the leakage current is too large, an additional grounding point is provided in
the wiring box as below.
The additional grounding point must be reliable grounding.
The minimum size of the additional grounding wire is 6mm^2.
Wiring
22