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Tecnoware Power Systems
3.3.2.1 REPLACING THE FUSES
CAUTION!:
CHAPTER MUST BE CARRIED OUT BY AUTHORIZED ELECTRICIANS OR BY
QUALIFIED TECHNICIANS.
CAUTION!: BEFORE REPLACING THE FUSES YOU MUST CARRY OUT THE
MANUAL
(CHAPTER 5).
A nut screw fastens each fuse. When replacing a fuse you must unscrew the two knurled
nuts corresponding to the fuse, which must be replaced, remove the washers, replace the fuse
and put back the washers and the knurled nut in this order. IMPORTANT spare fuses are
supplied together with the U.P.S. If they have to be purchased please make sure that they are
extra-fast fuses for the current same as on machine so as to guarantee total protection.
3.3.3 TERMINAL CONNECTORS
3.3.3.1 POWER UP TO 50 KVA
In all the models the terminal board is on the front of the U.P.S. protected by the second
access.
It can be perpendicular or horizontal according to the model.
In any case, please refer to the alphanumeric specifications on the terminal board. The
jumpers are arranged as in the picture (highlighted in grey), and are used to short-circuit the
main input and the reserve input. According to the type of installation, you can remove them
to connect the system to an auxiliary power source (back-up supply, generator).
Picture 13
U, V, W = Main input
U1, V1, W1, N1 = Reserve input
U2, V2, W2, N2 = Output
D(-),C(+) = Battery pole input. D(-) negative pole, C(+) positive pole.
EVO STAR 10-50
ALL
CONNECTING
BY-PASS
PROCEDURE
PROCEDURES
WITH
THE
17
DESCRIBED
IN
U.P.S.
DISCONNECTED
THIS
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