Viessmann Energy meter Installation And Service Instructions For Contractors page 11

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Power supply
(cont.)
In a 3-phase power circuit
13 14151617181920212223242526
N L1 L2 L3
S 1 2 3 4 5 6 7 8 9 101112
Fig. 6
Output control module
A
Fuse 16 A (slow)
B
Power cable for energy meter
C
Energy meter
D
Power cable for output control module
E
Connect the power cable to the energy meter as
shown in fig. 5 and 6.
Recommended power cable
In a 1-phase power circuit: 3-core with a cross-sec-
tion of 2.5 mm
2
In a 3-phase power circuit: 5-core with a cross-sec-
2
tion of 2.5 mm
3 x 230 V~ / 400 V~
A
L1L2L3N
B
?
E
C
D
Electrical connections
11

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