APC BC300 Series Installation Guide download pdf (Page 19)

Installation

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Installation Guide APC BC300 Series 15kW 208/450/480V UPS 19

3.3.4 Single Line Diagram for BC300

Figure 11

NOTICE!

Always keep AC, DC and communication cables separated.

NOTICE!

The grounding electrode conductor (Protective Earth - PE) must be the same size (ampacity) as

the UPS input circuit conductors. Conduit is not an acceptable grounding electrode conductor -

see National Electrical Code Section 250-91(a).

NOTICE!

The unit is wired from the factory as a separately derived system. Output neutral is bonded to

equipment ground through main bonding jumper inside the UPS. See National Electrical Code

Article 250-5(d) and 250-26 for correct installation grounding.

Utility Source (Provided by Others)

208V 3 or 4 Wire + Ground

MIB

Service

Bypass

Panel

Q001

UIS

F4, 5, 6

UIF

UPS

F1, 2, 3

UOF

Q002

UOS

Q003

UPS System Output

208V 3 or 4 Wire & Ground

Notes:

1. Must be 3 or 4 wire + Ground provided

WYE-source.

2. Must be 3 or 4 cabling provided by others.

3. Input overcurrent protection is based on

80% rating - any deviation, please contact

APC.

4. F1, F2, F3 = 45A

5. F4, F5, F6 = 65A

6. All AC power cabling is 3 or 4 wire + Ground

at 208VAC 3-phase.

7. UPS output cables and input cables must be

in separate conduits.

8. Power wiring and control wiring must be in

separate conduits.

9. See installation manual for battery

information.

10. Installation must comply with all applicable

national and local codes.

42A

61A

15kW

80A.T.

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APC BC300 Series Installation Guide Page 19

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