Viessmann Energy meter Installation And Service Instructions For Contractors page 9

Connecting the current sensors
In a 3-phase power circuit
N
L3
A
L2
3 x 230 V~ /
400 V~ L1
Fig. 4
From the main electricity meter
A
To the RCD
B
3 current sensors with 3 m connecting cables
C
(energy meter standard delivery)
Energy meter
D
Core assignment
1 Red
2 Black
3 Red
4 Black
5 Red
6 Black
(cont.)
B
C
D
13 14151617181920212223242526
1 2 3 4 5 6
N L1 L2 L3 S 7 8 9 101112
Connect current sensors in the correct position, as
shown in fig. 4:
■ Green point facing in the direction of the RCD
■ Arrow of the "K
sensor clip) pointing in the direction of the RCD
Electrical connections
L" imprint (on the inside of current
Ó
9