UPS306-01-00 PowerWAVE 9000 DPA User Manual Dated 01-06-2010
4-17
4: Operation
4.7
Replacing a UPS Module in a REDUNDANT Multi-Module System
If a UPS-module goes faulty in a REDUNDANT parallel system, the load will continue to be protected by the
remaining modules which will continue to operate in the
ON-LINE
mode (
INVERTER
mode). Under these
circumstances the faulty UPS module may be replaced without having to transfer the load to bypass.
4.7.1 Removing the UPS Module
1.
On the UPS module to be replace, simultaneously press the two
ON/OFF
buttons on the UPS control
panel.
a)
The LED display will give the following indications:
2.
Open the UPS module’s Parallel Isolator (IA2).
3.
Open the fused battery isolator for the UPS module in the UPS cabinet or in the external battery cabinet/
rack, as applicable.
4.
The UPS module is now totally shut-down.
5.
Disconnect the control panel cable to connector JD7.
6.
Remove the four screws on the front of the UPS module that are fixing it to the cabinet.
7.
Pull the UPS module forwards until the rear connectors are disconnected. DO NOT FULLY EXTRACT
THE UNIT.
8.
After waiting two minutes, fully withdraw the UPS-Module from the cabinet by pulling it horizontally.
9.
If you are not intending to replace the UPS module immediately, cover the UPS compartment opening
with an appropriate protection cover and secure with four screws.
WARNING:
All the operations in this section must be performed by authorised and trained
personnel. By opening or removing the UPS modules and module covers you run risk of
exposure to dangerous voltages!
WARNING:
When removing a UPS module wait for at least 2 minutes after it has been
disconnected in order to alllow the DC Capacitors to fully discharge.
WARNING:
When the UPS module is removed from the cabinet always fit an appropriate
blanking cover.
WARNING:
Two persons are needed to pull out the module from the UPS Frame. The weight
of a DPA 50, 40kW module is 60kg (the weight of DPA 10, 8kW60 kVA module is 24kg).
Employ suitable lifting aids and safety platforms where possible.
WARNING:
Wait at least 2 minutes to allow the module’s electrolytic capacitors time to
discharge.
LINE 1
LINE 2
BY PASS
INVERTER
BATTERY
LOAD
LED
Colour
LINE 1
Green
LINE 2
Off
BY PASS
Off
INVERTER
Off
BATTERY
Green
Summary of Contents for PW 9000DPA
Page 1: ...User Manual Pioneering solutions for total power protection Kohler PW 9000DPA ...
Page 2: ......
Page 8: ...iv UPS306 01 00 PowerWAVE 9000 DPA User Manual Dated 01 06 2010 ...
Page 10: ...1 Safety 1 2 UPS306 01 00 PowerWAVE 9000 DPA User Manual Dated 01 06 2010 ...
Page 18: ...2 Description 2 8 UPS306 01 00 PowerWAVE 9000 DPA User Manual Dated 01 06 2010 ...
Page 76: ...7 Options 7 6 UPS306 01 00 PowerWAVE 9000 DPA User Manual Dated 01 06 2010 ...
Page 85: ...UPS306 01 00 PowerWAVE 9000 DPA User Manual Dated 01 06 2010 8 9 8 Specifications ...
Page 86: ...8 Specifications 8 10 UPS306 01 00 PowerWAVE 9000 DPA User Manual Dated 01 06 2010 ...