Return Of Ac Input Power; Ups Shutdown; Ups Remote Control Functions - Eaton Evolution S 1250 RT 2U Manuel D'installation Et D'utilisation

3. Operation
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 personalization) and the load is again supplied.
3.4

UPS Shutdown

3.5

UPS Remote Control Functions

Remote control connection and test
1. Check that the UPS is OFF and disconnected from the AC input source.
2. Remove connector (5) after unscrewing the screws.
3. Connect a normally closed volt-free contact (60 V DC / 30 V AC max., 20 mA max., 0.75 mm² cable
cross-section) between the two pins of connector (5) (see diagram).
4. Plug connector (5) into the back of the UPS.
5. Connect and restart the UPS following the previously described procedures.
6. Activate the external remote shutdown contact to test the function.
Warning: This connector must only be connected to SELV (Safety Extra-Low Voltage) circuits.
86-81710-00EN A03 - Page 18
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24
ROO
RPO
Press button (24) for approximately 2 seconds.
The devices connected to the UPS are no longer
supplied.
Evolution offers a choice between two remote control
functions.
RPO: Remote Power OFF allows a remote contact to
w
be used to disconnect all the equipment connected
to the UPS. Restarting the UPS requires manual
intervention, pressing the ON/OFF button (24) to
restore output.
ROO: Remote ON/OFF allows remote action of
w
button (24) to shut down the UPS, as long as the
utility power is available.
These functions are obtained by opening of the contact
connected between the appropriate pins of connector
(5) on the rear panel of the UPS (see figures below).
Contact open: UPS shutdown
Contact closed: UPS start-up (UPS connected to AC
power and AC power is available).
Note: The local ON/OFF control using button (24)
overrides the remote-control function.
Contact open: UPS shutdown, LED (26) goes ON.
To return to normal operation, deactivate the remote
external contact and restart the UPS by pressing
button (24).