Der Wiring - enphase IQ System Controller 3 Quick Install Manual

Section C - Wiring

DER wiring

Connect the DER (IQ Battery, IQ Combiner/Solar and generator)
wires to the lugs at the bottom as indicated in the following images.
Refer to the wiring table and torque recommendation before
connecting the wires. Refer to local codes for any specific local
requirements.
IQ Battery wiring
2-14 AWG
PV/IQ Battery/Generator connections
AW G TO R Q U E ( L B . I N )
14 -10 25
8 30
4 - 6 35
2 - 3 40
22
PV wiring
1/8"
N E U T R A L A N D G R O U N D C O N N E C T I O N S
Neutral and ground bar – large holes
Neutral and ground bar – small holes
Neutral lugs
IQ System Controller 3G:
generator wiring
AW G
1/0 - 3
4 - 6
8
10 - 14
6 - 8
10 - 14
300 kcmil - 6
IQ System Controller 3:
additional IQ Battery
wiring
300 kcmil-14 AWG
1/0-14 AWG
TO R Q U E ( L B . I N )
50
45
40
5/16"-24 UNF
35
25
15
#10-32 UNF
275
3/8
"
IQ System Controller 3/3G Quick Install Guide