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Operation manual
www.zigor.com
14
3.2.5
Shut down procedure
3.2.5.1
Online mode
1.
Turn OFF Power Switch on rear panel. (power will feed from battery to internal electronics.
(Only valid for internal battery UPS. On external battery models this switch needs to be always ON)
1.
Turn OFF Battery breaker. (UPS could notify battery fault alarm)
2.
Turn OFF Mains breaker. (UPS could notify alarma during internal electronics discharge)
3.
Turn OFF Output breaker. (Loads will be powered off)
4.
Normally the primary input distribution panel is often located far away from the UPS area, so a label
should be posted to advise service personnel that the UPS circuit is under maintenance.
3.2.5.2
Battery mode
1.
Turn OFF Power Switch on rear panel. (power will feed from battery to internal electronics.
(Only valid for internal battery UPS. On external battery models this switch needs to be always ON)
2.
Turn OFF Battery breaker. (UPS could notify battery fault alarm)
3.
Turn OFF Output breaker. (Loads will be powered off)
4.
If other breakers are not previously turned OFF, now you can do it.
5.
Normally the primary input distribution panel is often located far away from the UPS area, so a label
should be posted to advise service personnel that the UPS circuit is under maintenance.
WARNING
This procedure should be followed to completely shut down the UPS and the output loads.
After all power switches, isolators and circuit breakers are opened, there will be no output.
WARNING
Wait for about 5 minutes for the internal DC bus bar capacitors to be completely discharged to avoid any
electric shock risk.