Powerware Powerware 9315 operation manual Figure A‐11. CB2TB to DC Source Disconnect Device

INSTALLATION REFERENCE

28.A battery disconnect switch is recommended, and may be required by NEC or local codes when batteries are remotely located. The battery disconnect switch may be supplied as an accessory, and should be installed between battery and UPS.

29.If the conductors used for DC input from the battery string to the UPS are those provided by the UPS manufacturer, and the UPS and battery string are manufactured by the same supplier, then it is acceptable if they do not meet the noted minimum conductor sizes.

30.The UPS DC disconnect trip signal from CB2TB, points 9 and 10 (shunt trip) must be connected to the DC source disconnect device.

CB2TB

NOT USED

CB2 CLS-120 VAC

CB2 AUX #1

CB2 AUX #1

NOT USED

NOT USED

CNT-120 VAC

CNT-NEUT

S.T. RTN-24 VDC

S.T. RTN-24 VDC

BATTERY

DISCONNECT

ST

Figure A‐11. CB2TB to DC Source Disconnect Device

EATON Powerware® 9315 UPS (500–750 kVA) Installation and Operation Manual S 164201244 Rev E www.powerware.com A-21