Powerware Ferrups FE/QFE 500VA User Manual download pdf (Page 41)

External Bypass Switch Installation

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FERRUPS FE/QFE UPS (500 VA–18 kVA) Installation Guide : Rev A www.powerware.com

NOTE 8 External UPS batteries are optional. The battery cable must not be

disconnected if a load is applied. Shut off the UPS before disconnecting the cable. See

“Battery Cabinet Installation” on page 53 for external battery cabinet installation.

NOTE 9 UPS output circuits must be installed in dedicated conduit and not shared

with other electrical circuits.

NOTE 10 The load fuse or circuit breaker should be sized to match the load current

requirements.

NOTE 11 For 208 Vac, use a step-up transformer. For 480 Vac, use a step-down

transformer. Use an isolation transformer with a 120/240 grounded center-tapped

neutral output. Do not use a buck/boost transformer.

NOTE 12 For 120/208/240 models, connect X1 on the UPS to L1 on the bypass switch;

for 208 Vac, connect the bypass switch L2 to the UPS XT1; for 240 Vac, connect the

bypass switch L2 to the UPS XT2.

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Powerware Ferrups FE/QFE 500VA User Manual Page 41