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52 Installation Guide APC Silcon 480kW 400V UPS
990-4059
Options/Accessories
The following can be carried out on any UPS
13. Press on the keyboard
14 Press or on the keyboard until
15. Press on the keyboard
16. Press on the keyboard
All the systems will transfer to normal operation.
Normal operation
load power xx%
Display shows
Bypass operation
:NO
Bypass operation
:YES
No lamps on the bypass
panel lights any longer