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mounting direction of sensors
The current sensors must be
mounted on each of the
phases supplying the load.
They must be mounted in the direction
shown in the figure opposite.
installing sensors
Once installed, the current
sensor secondaries must be
short-circuited via the pullout terminals,
or equivalent terminals. These pullout
terminals will remain in closed position
as long as they are not connected to
the SineWave™ conditioner - see
diagrams opposite.
an intermediary terminal block (not
supplied) must be installed for the 3
current sensors;
it enables each of the 3 secondaries
to be short-circuited;
the SineWave™ conditioner shall be
connected to this terminal block.
MGE UPS SYSTEMS
P2
P1
P1
For a 20 A, 30 A, 45 A or 60 A unit:
1 terminal block
Fig. 1
MERY board
XR1
TIFY board
XR1
S1
S2
phase 1
installation and operation manual of SineWave™: E-51027008XT/AD
load
phase 1
P2
load
phase 2
P2
P1
phase 1
phase 2
shorting links
not supplied
XR2
XR3
XR2
XR3
S1
S2
S1
S2
phase 2
phase 3
load
phase 3
load
neutral
load
PE or PEN
to
load
phase 3
see fig. 1
a r d
Y b o
M E R
T I F Y
b o a r
d
X R 3
X R 2
X R 1
23
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