Vertiv NetSure 502NGFB Series, Руководство по установке

Страница: 49 / 86

Vertiv
| NetSure 502NGFB Installation Manual (Section 6009) | Rev. Z 49
Optional External Battery Disconnect Unit
Refer to Figure 22 for battery and alarm connection details to the optional External Battery Disconnect Unit
and torque information. Also provided are alarm connection details to battery disconnect circuit breakers
located on the optional battery trays and battery cabinets.
Figure 22:
External Interface Connections (cont’d on next page)
Yellow Alarm Lead
(P/N 535294)
(factory wired to
circuit breaker
alarm terminal)
Connect to shelf
per table below.
Remove quick
connect terminal
first.
Torque to 84 in-lbs
using supplied hardware
To
Power
System
To
Battery
Procedure
1. Connect YELLOW lead exiting top of
Battery Disconnect Unit per table below.
Remove quick connect terminal first.
The YELLOW lead is factory connected
to circuit breaker “C (Common)” alarm
terminal in the Battery Disconnect Unit.
2. There is NO connection to the circuit
breaker “NO (Normally Open)”
alarm terminal.
3. Connect loose end of Jumper factory
connected to bottom terminal on
circuit breaker to circuit breaker
“NC (Normally Closed)” alarm
terminal.
Alarm Wiring to a Single
External Battery Disconnect Unit
541311 Alarm Cable
on shelf
NO
YES
BREAKER ALARM CONNECTION
CONNECT YELLOW WIRE TO:
Pin 3 of J3 on Customer Interface board
(negative side of Digital Input 2)
O-R Lead of 541311
Splice and heat shrink tubing included with 541311