Backup Gateway Wiring - Tesla Powerwall 2 AC Installation Manual

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Backup Gateway Wiring
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Powerwall Meter
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Backup Gateway Wiring
Terminal Name Recommended Wire Color Wire Gauge
Powerwall Communication
1 12V
+
(Logic
+)
Brown
2 GND Wh ite
18-16 A WG (0.8-1.5 mm
2 )
3
CN
+
(CAN HI)
Blue
4
CN - (CAN LO)
Yellow
24-16 A WG (0.2-1.5 mm
2
)
Meter Communication
1 GND/Shield 24-16 A WG (0.2-1.5 mm
2
)
2 RS485 HI #1 Red 24-16 A WG (0.2-1.5 mm
2
)
3 RS485 LO #1 Black 24-16 AWG (0.2 -1.5 mm
2
)
4 GND/Shield
24-16 AWG (0.2-1.5 mm
2
)
5 RS485 HI #2 Red
24-16 AWG (0.2 -1.5 mm
2
)
6 RS485 LO #2 Black 24-16 A WG (0.2-1.5 mm
2
)
Backup Gateway Connections
A Ethernet CA TS or better
B Ground Bar Green or Green/Yellow 14 A WG -2/0 (25- 70 mm
2
)
C Line 1 Source (Sl) Black 6 AWG-250 kcmil (16-120 mm
2
)
D Line 2 Source (S2) Red 6 AWG-250 kcmil (16-120 mm
2
)
E Neutral (N) White 6 AWG-250 kcmil (16-120 mm
2
)
F
Line 1 Load x 2 ( Ll) Black 6 AWG-250 kcmil (16-120 mm
2 )
G Line 2 Load x 2 ( L2 ) Red 6 AWG-250 kcmil (16-120 mm
2
)
H Neutral x 2 (N) Wh ite 6 AWG-250 kcmil (16-120 mm
2
)
*
Use copper or aluminum conductors.
Powerwall 2 AC Installation Manual 37