APC SMART-UPS 10-40 KVA 380/400/415 V User Manual download pdf (Page 5)

1Smart-UPS® VT 10-40 kVA 380/400/415 V - 208/220 V - 200/208 V Installation in Parallel

Safety

IMPORTANT SAFETY INSTRUCTIONS

- SAVE THESE INSTRUCTIONS

Warning: ALL safety instructions in the Safety Sheet (990-2822) must be read,

understood and followed prior to installation. Failure to do so could result in equipment

damage, serious injury, or death.

Warning: Parallel operation is not available when the system is set up for 3-wire

operation, which only applies to Japanese systems.

Caution: All electrical power and power control wiring must be installed by a qualified

electrician, and must comply with local and national regulations for maximum power rating.

Note: The cables must be routed by the electrician but not attached. The APC Field Service

Engineer will install the parallel communication box and attach all cables to the UPSs.

Note: Up to four UPS units can run in parallel.

See also:

For information on UPS specifications on the Smart-UPS VT series, see part nos. (available

from the document storage in the UPS):

• 990-1986 — 380/400/415 V

• 990-1598 — 208/220 V

• 990-2360 — 200/208 V

Parallel Communication Cables

Three different ways of routing cables

Note: The enclosures in a parallel system can be kept apart, or they can be assembled with

interconnection plates (SUVTOPT011 APC Smart-UPS VT Parallel Operation Baying Kit). If

the enclosures are kept apart the communication cables can be run in conduits (if applicable).

See Install the interconnection plates.

The routing of cables between the UPSs can be done in three different ways.

1. UPSs apart (without conduits)

2. UPSs bolted together (using interconnection plates/baying kit)

3. UPSs apart (using conduits).

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APC SMART-UPS 10-40 KVA 380/400/415 V User Manual Page 5