Dc/Ac Grounding - Solectria Renewables PVI 23TL Installation And Operation Manual

PVI 23TL & PVI 28TL Installation and Operation Manual
WARNING: Solectria's side AC knockout can't be utilized 100%. It is blocked by a
barrier that separates High Voltage AC cables from Communication wires. One
loses about 25% of the area of the knockout due to this issue.
4.2 DC/AC Grounding
PVI 23‐28TL inverters have a DC ground bar with four terminals that can be used to terminate the
DC equipment ground, each terminal can accept a single copper conductor ranging from 6‐
10AWG (Torque = 14in‐lbs). As shown in Figure 4.3 below.
PVI 23‐28TL inverters also have an AC ground bar with four terminals that can be used to
terminate the AC ground. Each terminal can accept a single copper conductor ranging from 6‐
10AWG (Torque = 14 in‐lbs), a stud that fits a M5 nut to terminate the AC system ground (Torque
= 14in‐lbs), and an external ground point (Torque 14in‐lbs). The stud and external ground can
accept a single copper conductor ranging from 8‐10AWG.
NOTE: The lug for the stud is located in the accessory box.
DOCR‐070365‐E
Figure 4.2 – AC Side Knockout Partially Blocked
Figure 4.3 DC Equipment Ground
PVI Series Inverters
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