Installation and Operation Manual (Rev B)
17
4. Grounding Connections
WARNING
: All electrical installations shall be performed in accordance with all local
electrical codes by electrically qualified personal. Only make AC and DC connections
directly to the terminals within the wiring box.
4.1 DC and AC Grounds
The inverter must be properly grounded in accordance with local code. The inverter wire
terminals for PVI 14TL and PVI 20TL are shown below:
Position
Connection entry
A
Knockout holes for DC input wires and equipment ground
B
Knockout hole for AC output and ground wires
C
Knockout hole for communication wires
D
Spare knockout hole that can be used according to the
customer’s needs
Figure 4.1 DC input & equipment ground
PVI 14TL and PVI 20TL inverters have a ground bar with four terminals used to terminate the equipment
ground (Torque 25 in-lb) and one stud that fits M5 nut to terminate the AC ground (Torque for M5 nut is
10 in-lb). Note: lug for stud is located in the accessory box
Warning: Ground per local codes and standard.
Figure 4.2 Wiring Connection
M5 nut
Ground Bar
