Danfoss VLT FC 20 Panduan Petunjuk Instalasi - Halaman 7
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Halaman CetakInstallation Instructions
Installing the AC Bus Bar Assembly
1.
Install 1 side support bracket inside the enclosure on
each side. Secure each side support bracket with 4
M5 screws and torque to 2.3 Nm (20 in-lb). See
Illustration 1.9.
2.
Install ground plate assembly. See Illustration 1.9.
2a
Attach the ground support bracket to the
inside of the enclosure. Secure with 4 M5
screws and torque to 2.3 Nm (20 in-lb).
2b
Install the ground plate onto the 5 studs on
the ground support bar.
2c
Secure the bottom of the ground plate to
the enclosure using 8 M5 screws. Torque to
2.3 Nm (20 in-lb).
2d
Install the ground bus bar onto the ground
plate. Secure with 5 M8 nuts and torque to
to 9.6 Nm (85 in-lb).
2e
Install the 1 ground jumper plate per drive
module. Secure the bottom of the ground
jumper plate to the top of the ground plate
using 1 M5 nut. Torque to 2.3 Nm (20 in-lb).
2f
Secure the top of the ground jumper plate
to the bottom of the drive module reusing
the 2 existing M10 nuts. Torque to 19 Nm
(169 in-lb).
3.
Install the ground jumper bus bars. Perform this step
for each drive module.
3a
Secure the bottom of the ground jumper
bus bar to the ground bus bar using 1 M5
nut. Torque to 2.3 Nm (20 in-lb). See
Illustration 1.9 for the mounting attachment
points on the ground bus bar.
3b
Secure the other end of the ground jumper
bus bar to the drive module ground
terminal using 1 M5 nut. Torque to 2.3 Nm
(20 in-lb).
4.
Secure the motor bus bar subassembly (see
Illustration 1.7) to the AC bus bar assembly bracket
(Illustration 1.6) using 3 M5 nuts. Torque to 2.3 Nm
(20 in-lb).
5.
Install the AC bus bar bracket/motor bus bar
subassembly to the side support brackets. Secure
each side with 2 M5 nuts and torque to 2.3 Nm
(20 in-lb).
6.
Fasten the mains bus bar subassembly (see
Illustration 1.8) to the motor bus bar subassembly
using 4 M5 nuts. Torque to 2.3 Nm (20 in-lb).
7.
Shape the flexible bus bars to fit.
8.
Install the motor flexible bus bars for each drive
module. Refer to Illustration 1.10.
MI92I102
Bus Bar Kit for 6-pulse, 2-drive System
VLT® Series FC 102, FC 202, and FC 302
9.
10.
11.
12.
Danfoss A/S © 02/2016 All rights reserved.
8a
Insert 1 M10 screw into each of the slotted
holes in the motor bus bar subassembly,
with the screw shaft facing the front.
8b
Install 3 flexible motor bus bars per drive
module, securing 1 end to the screw and
the other end to the drive module terminal.
Secure with 2 M10 nuts per bus bar. Torque
to 19 Nm (169 in-lb).
8c
Verify that the proper R, S, T connections
are made. Refer to the Terminal Dimensions
®
section in the VLT
Modules Installation Guide.
Assemble the front EMI/EMC bracket assembly.
9a
Attach the left EMI/EMC bracket to the front
EMI/EMC bracket using 3 M5 screws. Torque
to 2.3 Nm (20 in-lb).
9b
Attach the right EMI/EMC bracket to the
front EMI/EMC bracket using 3 M5 screws.
Torque to 2.3 Nm (20 in-lb).
Install the front EMI/EMC bracket assembly over each
set of flexible motor bus bars. Secure with 4 M5 nuts
and torque to 2.3 Nm (20 in-lb). Refer to
Illustration 1.11.
Install the flexible mains bus bars for each drive
module. Refer to Illustration 1.12.
11a
Insert 1 M10 screw into each of the slotted
holes in the mains bus bar subassembly,
with the screw shaft facing the front.
11b
Install 3 flexible mains bus bars per drive
module, securing 1 end to the screw and
the other end to the drive module mains
terminal. Secure with 2 M10 nuts per bus
bar. Torque to 19 Nm (169 in-lb).
11c
Verify the proper U, V, W connections are
made. Refer to the Terminal Dimensions
®
section in the VLT
Modules Installation Guide.
Install the lower EMI/EMC shield to the AC bus bar
subassembly bracket. Secure with 2 M5 nuts. Torque
to 2.3 Nm (20 in-lb). See Illustration 1.13.
Common AC Drive
Common AC Drive
7