en
8
Installation
Indications,
functions and options
Messages
Commissioning
Operation and function
Three-phase connection
Î
Connect the current sensors and the conductors of the measuring unit in
phase directly at the energy meter. The arrow indicated on the current sensors
must point in the direction of the loads.
All 3 phases have to be connected to the measuring unit.
CTL3
CTL2
CTL1
L2
L3
L1
N
L2
L1
N
L3
Versorgung
/
Power supply
160mA 240V~
L
K
L
K
L
K
red
red
red
black
Energy meter
black
black
Note
The 3 phases have to be protected by means of a three-phase
16 A circuit-breaker (not included with the device).
Single-phase connection
Î
Connect the current sensor and the conductor L1 of the measuring unit direct-
ly at the energy meter. The arrow indicated on the current sensor must point
in the direction of the loads.
Î
Short circuit the connections of CTL2 as well as those of CTL3.
CTL3
CTL2
CTL1
L2
L3
L1
N
L2
L1
N
L3
Versorgung
/
Power supply
160mA 240V~
L
K
red
Energy meter
black
Note
The phase has to be protected by means of a single-phase 16 A
circuit-breaker (not included with the device).
Summary of Contents for tubra-eTherm
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