111504B
164201535---8
DESCRIPTION:
DATE:
DRAWING NO: SHEET:
REVISION:
INTERFACE WIRING INSTALLATION
NOTES AND TERMINAL LOCATIONS
4of12
Installation Information
A-36
Powerware
®
9390 UPS (40–80 kVA) Installation and Operation Manual S 164201535 Rev C
9. The UPS DC UVR trip and Battery Aux signal wiring from the UPS must be connected to
the DC source disconnect device.
10. Battery Aux and UVR wiring should be a minimum of 18 AWG.
Table U. Battery Disconnect Interface
B
TTER
BREAKER OR
DISCONNECT
4
5
6
TB2
BATTERY AUX +
3
B AT T E R Y A U X ---
BATTERY UVR +
B AT T E R Y U V R ---
UPS
Table V. Alarm Relay Contact
4
5
6
ALARM RELAY
TB1
CONTACT RATING
Switched Voltage:
277 Vac
28 Vdc
Maximum Current: 5A Minimum Wire Size: 22 AWG
NOTE: Relays are shown in de-energized state. Relays change state when the
UPS is in normal operating mode.
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