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Installation Information
7.
The UPS DC UVR trip and Battery Aux signal from the UPS must be connected to the DC
source disconnect device.
8.
Battery Aux and UVR wiring should be a minimum of 18 AWG.
Table N. Battery Disconnect Interface
Table O. Alarm Relay Contact
CONTACT RATING:
Maximum Switched Voltage:
120 Vac
NOTE: Relays are shown in de-energized state. Relays change state
when the UPS is in normal operating mode.
A-22
BATTERY AUX +
BATTERY AUX ---
BATTERY UVR +
BATTERY UVR ---
ALARM RELAY
Powerware
9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev A
®
UPS
TB2
3
4
5
6
TB1
4
5
6
Maximum Carrying Current: 5A
DESCRIPTION:
INTERFACE WIRING INSTALLATION
NOTES AND TERMINAL LOCATIONS
DRAWING NO:
164201535---8
REVISION:
A
BATTERY
BREAKER OR
DISCONNECT
UV
SHEET:
4 of 5
DATE:
062504
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