Stop/Start UPS and Operating the External Service Bypass
2.7.2 Switching Back the UPS to Normal Rarallel/Redundant Operation
Action
1.Set the input switch (Q001) and the output switch (Q002) to position 1.
2.Charge capacitors, connect battery, and start up the UPS as described in 2.4.1. Start UPS (from complete power down).
The UPS will automatically switch to normal operation and start
WARNING!
The system will discharge
ALWAYS check with a multimeter that the terminals contain no dangerous voltage before touching the system!
NOTICE!
With Q002 in position 0, the UPS can be operated and tested as a single system without affecting the other parallel UPS(s) if correct monitoring device has been installed. Applicable to all bypass panels.
18 | User Guide APC Silcon 480kW 400V UPS |