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Powerware 10001100 kVA User Manual

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UPS SYSTEM INSTALLATION
EATON Powerware
®
 9395 UPS (1000–1100 kVA) Installation and Operation Manual  
S
  164201764 Rev 1 www.powerware.com
4−28
Table 4-1. TB1, TB2, and TB3 Interface Connections
Terminal TB1
Name
Description
1
REPO NC
Input:  Normally-closed dry contact used to activate UPS EPO from a remote switch.
2
REPO Return
3
REPO NO
Input:  Normally-open dry contact used to activate UPS EPO from a remote switch.
4
REPO Return
5
Battery Aux
Input:  Normally-open contact used to indicate when UPS battery breaker is open or
closed.
6
Battery Aux Common
7
48 Vdc Battery Shunt Trip +
Output:  Contacts used to open battery breaker or disconnect.
8
48 Vdc Battery Shunt Trip –
9
Output Contactor K3 NC Aux
Output:  Normally-closed contact opens when output contactor closes.
10
Output Contactor K3 NC Aux
Common
Terminal TB2
Name
Description
1
Pull Chain
Output:  Backup control for parallel operation.
2
Pull Chain Common
3
Alarm Relay NC
Output:  General purpose normally−closed (NC) relay contact.
4
Alarm Relay Common
5
Alarm Relay NO
Output:  General purpose normally−open (NO) relay contact.
6
Alarm Relay Common
7
Not Used
8
Not Used
9
Not Used
10
Not Used
Terminal TB3
Name
Description
1
Building Alarm 1
Input:  Programmable UPS alarm, activated by a remote dry contact closure.
2
Building Alarm 1 Return
3
Building Alarm 2
Input:  Programmable UPS alarm, activated by a remote dry contact closure.
4
Building Alarm 2 Return
5
Building Alarm 3
Default:  Charger Off
Input:  Programmable UPS alarm, activated by a remote dry contact closure. Default
function set for charger off.
6
Building Alarm 3 Return
7
Building Alarm 4
Default:  On Generator
Input:  Programmable UPS alarm, activated by a remote dry contact closure. Default
function set for on generator.
8
Building Alarm 4 Return
9
Building Alarm 5
Default:  Maintenance Bypass
Input:  Programmable UPS alarm, activated by a remote dry contact closure. Default
function set for maintenance bypass.
10
Building Alarm 5 Return
NOTE  Return indicates connection to electronics circuit ground. Common" indicates connection to common side of isolated relay contact.