Universal Bypass Switch Unit
UNB
Operation Manual
UNB2357E / Page 26 (34)
8.3 Pinning UNB 30.0, 40.0 kVA
connector X1 (HAN-K4/8, socket outlet):
1
3
2
4
5
6
7
8
9
10
11
12
Pin
Name
1
Source
1
(inverter)
/
Phase
L1
2
Source
1
(inverter)
/
Phase
L1
3
Source
1
(inverter)
/
Phase
L1
4
No connection
5
No
connection
6
Synchronisation
/
SYNC
-
GND
7
Synchronisation / SYNC - SIG
8
Synchronisation / SYNC - STAT
9
No
connection
10
No
connection
11
No
connection
12
No connection
In operation with an UNB it is necessary to connect
additional to SYNC – GND, SYNC – SIG the contacts
SYNC – STAT between all of the inverters and the UNB.
connector X2 (HAN-K4/8, socket outlet);see picture 8.4:
*
l
o
g
i
c
:
f
a
u
l
t
= COM and NC closed
Pin
Name
1
Source 2 (substitute mains) / Phase L1
2
Source 2 (substitute mains) / Phase L1
3
Source 2 (substitute mains) / Phase L1
4
Source 1 & 2 / neutral
5
DC
-
supply / L+
6
DC
-
supply / L-
7
No
connection
8
No
connection
9
No
connection
10
Indication relay general fault / COM*
11
Indication relay general fault / NO
12
Indication relay general fault / NC
Picture 8.4:
Pinning –
X1/X2/X3
UNB 30.0kVA
UNB 40.0kVA