PowerWalker VI 750R - Manual (Page 27)

4. INSTALLATION
11. Emergency Power Off(EPO) set up
1500/2000VA and 3000VA include EPO port that allows power to be
shut down the protected equipment immediately and does not follow
the shutdown procedure from any power management software.
Note: When EPO switch is reset, the equipment will not return to
battery power until the UPS is manually restarted. If pressing power
switch to turn off UPS after EPO is activated, the UPS remains in
Standby mode when restarted until pressing power switch to turn on
the UPS again.
Follow the procedure to install the EPO switch as below.
1. Check the UPS is turned off.
2. Remove the EPO connector from the EPO port on the rear panel
of UPS
3. Connect isolated, normally-open, dry contacts (rated to handle
60Vdc maximum, 30Vac RMS maximum, and 20mA maximum)
across the EPO device to Pin 1 and Pin 2. Use non-shield wiring,
size 18-22 AWG (0.75 mm
2
– 0.3 mm
2
).
4. Reconnect the EPO connector to the EPO port.
5. Verify that the externally-connected EPO switch is not activated to
enable power to the UPS output receptacles.
6. Plug in the UPS, then pressing power switch button to turn on
the UPS.
7. Activate the external EPO switch to test the EPO function
8. De-activate the external EPO switch and restart the UPS.
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