APC BMG3-A Datasheet download pdf (Page 2)

APC REPLACEMENT BRICK PRODUCTS Surge Pr

otective Device (SPD)

INSTRUCTIONS

9/08

990-3490 (8251-0138A)

1. Turn off all power to the SPDR Brick.

2. Mark the phase cables for the brick to be replaced (if they are not already

marked) with the appropriate A, B, or C phase and unplug the

communication cable from the brick.

3. Remove the phase, neutral, and ground wires (if applicable) from the brick.

4. Remove and discard the 4 fastening nuts and carefully remove the brick.

See Figure 1.

5. Install the new brick using the hardware kit supplied insuring that fastening

nuts are tight.

6. Attach the phase cables, neutral, and ground wires (if applicable) to the

associated brick lugs ensuring the lug set screws are tight. Refer to Table

2 for the proper torque specifications.

7. Check that all connections are secure. Remove all tools and discarded

hardware from the unit.

8. Plug the communication cable into the brick receptacle following the plug

orientation guide attached to the brick.

9. Replace the barrier, cover/door, and/or trim to the equipment (if applicable).

10. Equipment may be re-energized after all of the above steps are complete.

Figure 1: Replacement Brick

Communication Port

Fastening NutsFastening Nuts

Three Phase, 3- or 4-Wire,

Grounded Wye Installation

NAME

PLATE

Name Plate

1 2

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APC BMG3-A Datasheet Page 2