21
L
4.5 Mains voltage V
3L
< 340 V
F2
F3F1
U
V
W
u
v
w
400V
Dd0
P
≥
150 VA
1,1 x U
F
L
K
PE L2 L3L1
PE
L2 L3
L1
PE
K
I
L2(N)L1.1 L2.2 L3.2L1.2
Mains
filter
If the mains voltage is lower than 340 V the control electronics
must be supplied separately via the step-up transformer as shown
in the illustration.
Remove the connections between terminals L1.2, L2.2 and L3.2
and the 4082 board. Remove the jumper "BR1" on the 4081 board
(see chapter 2.2 "Dimensions").
Caution!
This modification must only be carried out by qualified skilled
personnel. After removing the jumpers the protective cover
must be reassembled.
The correct phase sequence for the connection of the AC
transformer must be observed in all cases!
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