Operation |
|
Emergency | You can use a remotely operated Emergency Power Off (EPO) |
Power Off | switch to turn off the UPS and disconnect power to the |
| equipment load. When you turn off the UPS through the |
| Emergency Power Off system, it will turn off immediately |
| without switching to battery operation. |
Electrical Hazard
Use only a licensed electrician to perform the following procedure to connect the Redundant Switch and its attached UPSs to your Emergency Power Off system.
1.Use the EPO connector.
2.Use a
3.Wire the external blue
The EPO interface is a Safety Extra Low Voltage (SELV) circuit. Connect it only to other SELV circuits.
The EPO interface monitors circuits that have no determined voltage potential. Such closure circuits may be provided by a switch or relay
Caution | properly isolated from the utility. To avoid |
| |
| damage to the Redundant Switch, do not connect |
| the EPO interface to any circuit other than a |
| closure type circuit. |
16 | APC Redundant Switch: Installation and Operation Manual |
