Modifications reserved
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6.8
Shutdown procedure
WARNING!
THE OPERATIONS DESCRIBED IN THIS CHAPTER MUST BE PERFORMED
BY A SERVICE ENGINEER FROM THE MANUFACTURER OR FROM AN
AGENT CERTIFIED BY THE MANUFACTURER.
The CONCEPTPOWER DPA 500 may be shutdown completely, if the load does not need input power
for an extended period of time. It may be switched to Maintenance Bypass Mode for service or
maintenance purposes, or transferred to the OFF-LINE Mode (ECO-Mode), if the load does not need
the highest degree of protection.
The load may be disconnected by means of the two ON/OFF (LOAD-OFF) buttons for security
reasons.
Complete Shutdown procedure of CONCEPTPOWER DPA 500
Only in case there is no need to supply the load, the UPS System can be completely shut down. The
following procedures can only be executed after the load has completely been de-energized.
NOTE
IN THE CASE THAT THE PARALLEL UPS SYSTEM HAS TO BE TURNED
OFF, THEN BOTH ON/OFF BUTTONS ON ALL UPS MODULES HAVE TO BE
PUSHED. IN THIS CASE THE POWER SUPPLY TO THE LOAD WILL BE
INTERRUPTED
1.
Verify that the loads are shut down and that there is no need for power supply to the load.
2.
If the loads are all disconnected, press simultaneously both ON/OFF-Buttons on UPS-Control
Panel on all three Control Panels. On the LCD: “LOAD OFF, SUPPLY FAILURE” will appear and
the LED-indicator will indicate as shown below:
LED Indicator
Colour
LINE 1
Green
LINE 2
OFF
BYPASS
OFF
INVERTER
OFF
BATTERY
Green
3.
Open all Parallel Isolator Switches IA2-1, IA2-2, IA2-3, IA2-4, IA2-5
4.
Open battery fuses/breakers on external battery cabinets or racks.
5.
Open the mains fuses/breaker (upstream of UPS) in the building distribution panel.
NOTE
MAKE SURE THE INTERNAL DC-CAPACITORS (ELCO) HAVE BEEN
DISCHARGED WAITING AT LEAST 5 MINUTES
THE CONCEPTPOWER DPA 500 IS NOW VOLTAGE FREE.
Содержание Conceptpower DPA 500
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Страница 79: ... Copyright 2017 ABB All rights reserved Appendix A Xtra VFI 3 ph UPS products ...
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Страница 91: ... Copyright 2017 ABB All rights reserved Technical data sheet Conceptpower DPA 500 100 500 kW ...