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5.1.2
Shutdown Procedure
WARNING
The CONCEPTPOWER DPA
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
Only in case there is no need to supply the load, the UPS System can be completely shutdown. The following
procedures can only be executed after the load has completely been de-energized.
!
NOTE!
1.
Verify that the loads are shutdown 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
LINE 1
LINE 2
BYPASS
INVERTER
BATTERY
3.
Open all Parallel Isolator Switches IA2-1, IA2-2, IA2-3, IA2-4, IA2-5 (depending of the UPS frames).
4.
Open battery fuses/breakers on internal (if any) and external battery cabinets or racks.
5.
Open the mains fuses/breaker in the building distribution panel.
!
NOTE!
THE CONCEPTPOWER DPA
THE OPERATIONS DESCRIBED IN THIS CHAPTER MUST BE
PERFORMED BY A SERVICE ENGINEER FROM THE MANUFACTURER OR
FROM A AGENT AUTHORIZED BY THE MANUFACTURER.
!
TM
may be shutdown completely, if the load does not need input power for an
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.
Colour
Green
OFF
OFF
OFF
Green
MAKE SURE THE INTERNAL DC-CAPACITORS (ELCO) HAVE BEEN
DISCHARGED WAITING AT LEAST 5 MINUTES.
TM
S2 IS NOW VOLTAGE FREE.
04-3008_S5_ABB_OPMCPDPA-S2_GB_121202
Printed in Switzerland – Modifications reserved
TM
S2:
Section-5
Page 5/16 ABB
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