MGE UPS Systems 3000 RT 3U XL Power Supply User Manual


 
34007776EN/AB - Page 14
3. Operation
End of battery backup time
3.3 Return of AC power
Following an outage, the UPS restarts automatically when AC power returns (unless the restart function was disabled via UPS
personalisation) and the load is again supplied.
3.4 UPS shutdown
3.5 Using the UPS remote control functions
Pulsar has the choice of two remote control options.
RPO: Remote Power Off allows a remote contact to be used to disconnect all the equipment connected to the UPS from
the power supply.
Restarting the UPS requires manual intervention.
ROO: Remote ON/OFF allows remote action of button (27).
These functions are obtained by opening a contact connected between the appropriate pins of connector (5) on the rear panel
of the UPS (see diagram on following page).
Remote control connection and test
All the LEDs go OFF.
The audio alarms stops.
The UPS is completely shut down.
Press button (27) for approximately 2 seconds.
The devices connected to the UPS are no longer supplied.
1 - Check the UPS is shut down and the electrical supply network disconnected.
2 - Remove connector (5) after unscrewing the screws.
3 - Connect a normally closed volt-free contact (60 Vdc / 30 Vac max, 20 mA max, 0.75 mm² cable cross section) between
the two pins of connector (5), see diagram.
20
21
27
22
ESC
5