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Determination of the Rotary
Field
The phase sequence of the three phases pre-
sent determines the rotary direction of the
motor connected.
The correct phase sequence L1, L2, L3 results
in a clock-wise rotation.
For phase sequence determination con-
nect the three clamps L1, L2, L3 in any
order to the three phase
Please also refer to table at the backside of
the unit.
Mantenance
When using the instrument in compliance
with the instruction manual no special main-
tenance is required.
Cleaning
If the instrument is dirty after usage, it is ad-
vised to clean it by using a humid cloth and
mild household detergents. Never use acid
detergents or dissolvants.
LCD-Segment (3) is illuminated for a
clock-wise rotary field.
If LCD-Segment (2) is illuminated, ex-
change two connections.
Phase Indication
Rotary Field
Rotary field ok
Rotary field wrong
L1 missing
L2 missing
L3 missing
system.
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