Ground Connection - Panasonic EVERVOLT EVHB-I7 Installation And Operating Manual

Electrical Connection

6.3 Ground Connection

Please additionally earth the inverter to the enclosure of a second earthing
or equipotential bonding if it is required by local safety. This prevents
electric
shock if the original protective conductor fails.
• Ground Terminal
Ground terminals are as follows. Terminals on bus-bar A and B are for AC and
DC ground connection. Ground terminal C is for ground connection between
inverter and battery
F G
B
A
• Steps of Ground Connection
a) Strip the insulation of conductor by wire stripper;
b) Pull the heat-shrink tubing over the PE cable and insert the stripped
section into the grounding terminal;
For the specific requirement of power cable, please refer to section 6.1 "Overview
of All Electrical Wiring Methods".
A
B=A+(2~3 mm)
a
50
C
C=B+2 cm
Heat-shrink tubing
b
c) Crimp it with crimping tool, pull the heat-shrink tubing over the
stripped section of the grounding terminal and use a hot-air blower to shrink
it so that it can be firmly contacted with the terminal;
c
d) Connect the ground cable to the inverter and fix it wit M4 screw.
When PV connection, please connect the ground cable to B bus-bars.
When grid connection, please connect the ground cable to A bus-bars.
e) Connect the ground cable between the inverter and battery with M5
screws. For easier connection, please connect the grounding cable on the BMS
first.
Electrical Connection
M5
17.7 lbf.in /
2.0 N·m
51