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4: Operation
Module shut-down:
Use this procedure to power down a single module in a redundant module system.
Simultaneously press the two ON/OFF buttons on the UPS control panel.
1.
a) The LED display will give the following indications:
2.
Open the Parallel Isolator switch IA2.
3.
In the UPS Cabinet, open the Input supply and Bypass supply fused isolators FA1 and FA2.
4.
Open the battery fuse/isolator.
a) Open FA3/F1 if using internal batteries.
b) If using external batteries open the battery fuses/isolator on the associated battery cabinet/rack.
5.
Open the UPS input supply isolator and UPS output isolator on the LV Switchboard.
6.
The UPS module is now totally shut-down.
4-16
LINE 2
BY PASS
LOAD
LINE 1
INVERTER
BATTERY
LED
Colour
LINE 1
Green
LINE 2
Off
BY PASS
Off
INVERTER
Off
BATTERY
Green
UPS412-01-01 Kohler PW 5000/TP User Manual Dated 17-11-11
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