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Wiring for On-Grid Applications Using Additional Circuit
Breakers in the ACCB Only
The following diagram shows the complete wiring diagram for wiring the
ACCB and Sine Wave Plus Inverter inputs and outputs in an on-grid
application using an AC distribution panel for the outputs and a 120 Vac
generator for input. This diagram also uses an internal generator
disconnect breaker in the ACCB. Wiring instructions are provided for
making ground connections first (page 1–35), neutral connections second
(page 1–36), and hot connections last (page 1–37).
Figure 1-30
Wiring an On-Grid Application Using Additional Circuit Breakers in the ACCB Only
WARNING: Shock Hazard
Ensure that all AC and DC power is not “live” before proceeding.
Important:
The inverter bypass circuit breaker can only be wired directly to,
and work with, a single AC source. In a system that has multiple AC sources, you
must decide which AC source will be wired through the inverter bypass circuit
breaker and which will not. The following illustrations assume that the primary
AC input source will be the utility grid.
DD
120/240V AC Panel
L1 L2
NE UTR AL
GROUND
Set Inverter
OFF SRCH ON CHG
Sine Wave Plus Inverter / Charger
INV OUT
NEU OUT
NEU 2
NEU 1
AC1 GRID
AC2 GEN
AC TERMINAL
BLOCK
NEU
AC
OUT
AC
IN
To Primary
System
Ground
Neutral to
Ground
Bond
120V AC Generator
HOT NEU GND
DD
AC Load
Generator
Disconnect
Breaker
Ground
Neutral
HOT (Owner supplied)
LEGEND
HOT (Factory installed)
Additional AC Load
Circuit Breaker