Outback Power Systems FLEXpower ONE One Fully Pre-Wired Single Inverter System Installation Manual - Manual (Page 29)

Installation
Figure 13 Ground Connections
DC Connections
Table 4 DC Conductor Size and Torque Requirements
DC Terminal Minimum Allowed
Conductor Size Maximum
Conductor Size Torque
Requirements Breaker
Size
Battery Positive (+) 2/0 AWG (67.5mm 2 ) N/A (ring terminal) 50 in-lb (5.7 Nm) 175 Adc
Battery Negative (–)
(Shunt) 2/0 AWG (67.5 mm 2 ) N/A (ring terminal) 50 in-lb (5.7 Nm) N/A
PV Positive (+) #4 AWG (21.2 mm 2 ) #2 AWG (33.6 mm 2 ) 35 in-lb (4 Nm) 80 Adc
PV Negative (–)
#4 AWG (21.2 mm 2 ) #2 AWG (33.6 mm 2 ) 35 in-lb (4 Nm) N/A
Ground Bus Bar #12 AWG (3.3 mm 2 ) 1/0 AWG (53.5 mm 2 ) 35 in-lb (4 Nm) N/A
 To make the battery connections in systems that have the FLEXnet DC Monitor, see Figure 14 on
page 28.
 To make the battery connections in systems that do not have the FLEXnet DC Monitor, see Figure
15 on page 29.
 To make the PV connections, see Figure 16 on page 30.
900-0095-01-00 Rev A
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