Table of Contents
Advertisement
NetSure
™
9500 120kW 400V DC Power System
Operation Manual, UM584001200 (Issue AA, April 14, 2014)
Replacing an AC Input Surge Protector
Danger! Hazardous AC voltage (380V/400V/480V AC) is
present behind the access covers being removed in this
Danger
procedure. Disconnect AC input power from the
system. Follow local lockout/tagout procedures to
ensure the external AC input circuit breaker remains in
the OFF position during this procedure.
A tripped AC input surge protector is indicated by an alarm issued
via the ACU+ controller.
Refer to System Application Guide SAG584001200 for a
replacement part number.
Refer to
Figure 4
as this procedure is being performed.
PROCEDURE
1.
Power down the system.
2.
Remove AC input power from the system. Follow local
lockout/tagout procedures to ensure the external AC
input circuit breaker remains in the OFF position during
this procedure.
3.
Remove the left and right rear access covers from the
power and control section.
4.
Locate the surge protector.
Spec. No: 584001200
Model No: 9500
5.
Disconnect the surge protector wiring from the surge
protector wiring terminal block.
6.
Unplug the surge protector plug-in connector from the
connector inside the power and control section.
7.
Disconnect the surge protector ground lead.
8.
Remove the defective surge protector from the power
and control section.
9.
Secure the replacement surge protector to the power
and control section.
10. Reconnect the replacement surge protector ground lead.
11. Plug the replacement surge protector plug-in connector
into the connector inside the power and control section.
12. Reconnect the replacement surge protector wiring to the
surge protector wiring terminal block.
13. Replace the power and control section's left and right
rear access covers.
14. Apply AC input power to the system.
15. Power up the system.
16. Ensure that there are no local or remote alarms active on
the system.
[10 of 13]
Code: UM584001200
Issue AA, April 14, 2014
Advertisement
Table of Contents
