Emerson 581127000, Installation Instructions Manual

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IM581127000 Installation Instructions
Issue AB, March 22, 2012 Spec. No. 581127000 (Model 710
NPBA
)
Page 14 Chapter 2. Installing the System
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Systems, North America, Inc. Any copying, use, or disclosure of it without the written permission of Emerson Network Power, Energy Systems, North America, Inc. is strictly prohibited.
INSTALLING OPTIONAL LUG ADAPTER BUSBAR KITS,
PART NOS. 534449 AND 514714
These kits provide lug adapter busbars plus hardware for use with 2-pole and 3-pole
circuit breakers.
Contents of Kit P/N 534449 (for 2-pole circuit breakers)
Qty. Part No. Description
1 534447 Busbar
1 534448 Busbar
8 214110100 Flat Washer
, 1/4”
4 214112100 Flat Washer
, 3/8”
8 215111100 Lock Washer
, 1/4”
4 215111300 Lock Washer
, 3/8”
4 227640400 Hex Head Bolt, 1/4-
20 x 3/4”
(not used)
2 227646600 Hex Head Bolt, 3/8-
16 x 1”
8 228557100 Nut, 1/4-20
2 228567100 Nut, 3/8-16
Contents of Kit P/N 514714 (for 3-pole circuit breakers)
Qty. Part No. Description
1 514676 Busbar
1 514678 Busbar
12 214110100 Flat Washer
, 1/4”
4 214112100 Flat Washer
, 3/8”
12 215111100 Lock Washer
, 1/4”
4 215111300 Lock Washer
, 3/8”
6 227640400 Hex Head Bolt, 1/4-
20 x 3/4”
(not used)
2 227646600 Hex Head Bolt, 3/8-
16 x 1”
12 228557100 Nut, 1/4-20
2 228567100 Nut, 3/8-16
Procedure
Perform the following steps to install the lug adapter busbars. Refer to Figure 2-8 as the
procedure is performed. Note also the restrictions on location in Figure 2-8.
1) Open the distribution cabinet
’s front door by turning the latch in the
counterclockwise position.
2) Install the lug adapter busbars as shown in Figure 2-8. Apply anti-oxidizing
compound to busbar mating surfaces before assembling. Recommended torque
is 72 in-
lbs using the supplied 1/4” bolts and hardware.
3) Orient the load lug hardware as shown in Figure 2-8. Recommended torque is
300 in-
lbs using the supplied 3/8” bolts and hardware.
4) Close the distribution cabinet
’s front door. Turn the latch clockwise to secure the
door.