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34001813EN/AE - Page 26
2. Installation
Frequency converter
To access the connection terminal blocks,
see section 1.2.
1 - The earthing conductors of each UPS
must be connected to the UPS earthing plate.
2 - Connect the neutral conductor of the
Normal AC source to the neutral terminal on
terminal block (15) of UPS1.
3 - Connect the three phases of the Normal
AC source to terminal block (16).
4 - Connect terminal block (16) in UPS1 to
terminal block (16) in UPS2 using the three
conductors of the Normal AC source.
5 - Connect the neutral cable on terminal
block (15) in UPS1 to terminal block (15) in
UPS2.
6 - Connect the four conductors supplying the
load to terminal block (14).
7 - Connect terminal block (14) in UPS1 to
terminal block (14) in UPS2 using the four
load conductors.
8 - Connect the neutral on terminal block (15)
with the neutral of the supplied loads on
terminal block (14).
9 - Tie the cables down to the frame.
10 - Put the cover back in place (see section
1.2).
Do not connect anything to the three
phases on the Bypass AC source terminal
block (15).
To normal
AC source
To load
14
16
15
18
N L1 L2 L3
14
16
15
N
L1 L2 L3
17
18
17
370 mm
UPS 2
UPS 1