Eltek Valere UNV-F 2.5 Manual de usuario descargar pdf (Pagina 12)

Static Transfer Switch

UNB

User Manual

Page 12 (28)

3.3.3 Connectors UNB 5.0 and UNB 12.5kVA

View from the rear: UNB 5.0/12.5kVA

Connector X1 (HAN-K4/8, socket outlet)

Pins (X1) Function

1 Source 1 (inverter)/Phase L1

2 Source 2 (substitute mains)/Phase L1

3 Source 1 & 2/ neutral

4 UNB Output/Phase L1

5 DC-supply / L+ (24 / 48 / 108 / 216V DC)

6 DC-supply / L- (24 / 48 / 108 / 216V DC)

7 Synchronization / SYNC-SIG

8 Synchronization / SYNC-STAT

9 Remote switch ON (+24V)

10 Indication relay general fault / NO

11 Indication relay general fault / COM*

12 Synchronization / SYNC-GND

*Function logic: OK = COM and NO closed

(Is equal to the programming “not inverted”)

REMARK: If the UNB works in combination with a single inverter or inverters in parallel operation it is necessary to

connect through the synchronization bus (contacts SYNC-GND→ SYNC-GND, SYNC-SIG→ SYNC-SIG and SYNC-

STAT→ SYNC-STAT) between the inverter(s) and the UNB.

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Eltek Valere UNV-F 2.5 Manual de usuario Pagina 12