Connecting To The Pv Arrays - Advanced Energy AE 75TX Installation And Operation Manual

Advanced Energy® AE ?STX and AE 1 OOTX Inverters
DC-, DC+ and Ground contains 17 accessible holes for positive and negative
Figure 4-13. DC connections
For the optional fused subcombiners, the conductor is inse1 ted directly into the fuse
holder assembly. The following table lists the accepted wire sizing for each
subcombiner lug option.
Table 4-3. Subcombiner wire sizing and torque values
Fuse Block
Maximum Wire Size Required Torque Terminal
Maximum
Temp.
Amperage
Rating
600 Al/Cu 500kcmil-#4 58 Nm ( 43 ft-lb) 75°C
400 Al/Cu 350kcmil-#4 58 Nm ( 43 ft-lb) 75°C
200 Al/Cu 350kcmil-#6
42 Nm (31 ·ft-lb)
75°C
100
Al/Cu #2/0-6
14 Nm (10 ft-lb) 75°C
Direct to bus bar No wire size limit. Must use grade 8 54 Nm ( 40 ft-lb) 90°C
3/8" hardware.
CONNECTING TO THE PV ARRAYS
Lt,
DANGER:
Before proceeding with the DC wiring, confirm that the PV array has been
disconnected from the inverter using the external DC disconnect.
570-1001793-058 Installing 4-17