APC Smart-UPS VT Installation Manual download pdf (Page 29)

Installation

Smart-UPS

VT Maintenance Bypass Panel w Power Distribution, 10-30kVA, 208V - 990-4199B 23

Making external cable connections

External cables can enter the MBP a) through any of the available 3/4-inch [19mm] knockouts in the

top or bottom plate, b) by making (larger) cutouts in the top or bottom plate, c) by removing one of

the five (5) horizontal plates in the bottom rear panel, or d) through the open side adjacent to the UPS.

Prior to making any of the following external cable connections, establish an appropriate point of

access for the cable. The top or bottom plate can be removed using a T30 Torx screwdriver to detach

the four (4) M6 Torx screws securing it to the enclosure.

The cables are typically color coded: L1 = black, L2 = red, L3 = blue, N = white, and G = green.

Utility connections.

1. Connect the four (4) inputs [N, L1, L2, L3, left-to-right] from the Utility to the Power Terminal

Block. Use a standard (flathead) screwdriver and torque to 60in-lbs [7Nm].

2. Connect the one (1) ground input [G] from the Utility to the Ground Terminal Compression

Lug. Place the cable end in the bottom section of the compression lug, and then use a standard

(flathead) screwdriver and torque to 120in-lbs [14Nm].

Utility to

Power Terminal Block

[N, L1, L2, L3]

MBP w Panel Board

Utility to

Ground [G]

MBP w/o Panel Board

Utility to

Power Terminal Block

[N, L1, L2, L3]

Utility to

Ground [G]

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APC Smart-UPS VT Installation Manual Page 29