Eaton Power Xpert 9395C Installation And Operation Manual

58 Eaton Power Xpert 9395C UPS Installation and Operation Manual 164000821—Rev 06Table 15. TB1, TB2, and TB3 Interface ConnectionsTerminal TB1 Name Description1 REPO NC Input: Normally closed dry contact used to activate UPS EPO from a remoteswitch.2 REPO Return3 REPO NO Input: Normally open dry contact used to activate UPS EPO from a remoteswitch.4 REPO Return5 Battery Aux Input: Normally open contact used to indicate when UPS battery breaker isopen or closed.6 Battery Aux Common7 48 Vdc Battery Shunt Trip + Output: Contacts used to open battery breaker or disconnect.8 48 Vdc Battery Shunt Trip9 Output Contactor K3 NCAuxOutput: Normally closed contact opens when output contactor closes.10 Output Contactor K3 NCAux CommonTerminal TB2 Name Description1 Pull Chain Output: Backup control for parallel operation.2 Pull Chain Common3 Alarm Relay NC Output: General purpose normally-closed (NC) relay contact.4 Alarm Relay Common5 Alarm Relay NO Output: General purpose normally-open (NO) relay contact.6 Alarm Relay Common7 Not Used8 Not Used9 Not Used10 Not UsedTerminal TB3 Name Description1 Building Alarm 1 Input: Programmable UPS alarm, activated by a remote dry contact closure.2 Building Alarm 1 Return3 Building Alarm 2 Input: Programmable UPS alarm, activated by a remote dry contact closure.4 Building Alarm 2 Return5 Building Alarm 3Default: Charger OffInput: Programmable UPS alarm, activated by a remote dry contact closure.Default function set for charger off.6 Building Alarm 3 Return7 Building Alarm 4Default: On GeneratorInput: Programmable UPS alarm, activated by a remote dry contact closure.Default function set for on generator.8 Building Alarm 4 ReturnUPS System Installation