
Current Transformer
Connections
The CT connections are labelled:
, 6+, 5+, 4+, , 3+, 2+, 1+
The white wires connect to terminals
labelled “ ” three wires in each terminal
The pink wires connect to the terminals
labelled “+”
The CTs and Voltage phases must
match as stated below.
CT connected to ... cables connected to ...
1+ and 4+ P1
2+ and 5+ P2
3+ and 6+ P3
3. Connect your CTs
The included Wattwatchers CTs are connected to the
bottom of the Auditor.
Only Wattwatchers supplied CTs are supported.
It is important to get the direction right when installing CTs.
The direction arrow is identied on each CT by the
symbol K->L.
For monitoring the grid K->L needs to point away from grid.
For monitoring loads K->L needs to point towards
the load.
For inverters (solar or otherwise) K->L needs to point away
from the inverter.
It is acceptable to use less than six CTs.
(minimum of one).
Complete wiring diagrams found at:
wattwatchers.com.au/support/wiring
6+3+2+1+
5+4+
6+3+2+1+
5+4+
6+3+2+1+
5+4+
6+3+2+1+
5+4+