1
Frequency converter
2
Option enclosure
3
Nut, 8 mm
Illustration 1.10 Removing the Frequency Converter Base from the
Options Enclosure
1.5.2 Assembling the Top Plate
1.
Install the top plate gasket onto the top plate. Refer
to
Illustration 1.1
.
2.
Install the 2 M10 eyebolts onto the top plate.
1.5.3 Assembling and Installing the Base Plate
See
Illustration 1.2
for the following steps.
1.
Remove the existing base plate from the frequency
converter. Put aside the fasteners and the front brace
(3) for later.
2.
Place the new base plate (4) on a level surface, studs
facing up.
3.
Install gasket (2) onto the base plate.
4.
Install front brace onto the 3 front studs and secure
with 3 M5 nuts. Torque to 5.1 Nm (45 in-lb).
5.
Install the bottom bracket (1) to the enclosure and
secure with 5 M5 nuts. Torque to 5.1 Nm (45 in-lb).
Refer to step 1 in
Illustration 1.11
.
6.
Install the new base plate assembly onto the bottom
of the enclosure. Torque all fasteners in this step to
5.1 Nm (45 in-lb). Refer to step 2 in
Illustration 1.11
.
6a
Secure the front of half of the new base
plate with the 9 M5x16 Torx screws taken
from the old base plate.
6b
At the back of the base plate assembly,
secure both corners with the 2 M5x16 Torx
screws included in the kit.
7.
Install the bottom gasket (5) onto the base plate
assembly. Secure it with 2 M5x12 screws placed in
the outer holes (6). Refer to step 3 in
Illustration 1.11
.
8.
Install the bottom cover (7) onto the bottom gasket.
Refer to step 4 in
Illustration 1.11
. Secure with M5x12
screws, 4 (D5h/D6h) or 6 (D7h/D8h). Torque to 5.1
Nm (45 in-lb).
9.
Install 1 M5x12 screw into the drain plug, which is
found in the center of the bottom cover. Torque to
5.1 Nm (45 in-lb).
1.5.4 Reinstalling the Frequency Converter
into the Enclosure
NOTICE
PREVENTING GASKET DAMAGE
Use a hoist to lift the D-frame unit into the enclosure.
Sliding the unit into the enclosure with the weight of the
unit on the side gaskets can damage the gaskets.
1.
Attach the side gaskets to both sides of the
frequency converter. Refer to step 5 in
Illustration 1.11
.
2.
Stand up the enclosure and the D-frame unit side by
side.
3.
Attach 2 M8 eyebolts (not included) to the top of the
D-frame unit.
4.
Using a hoisting mechanism to support the D-frame
unit, lower the unit into the enclosure being careful
not to tear the side gaskets. Refer to step 6 in
Illustration 1.11
.
5.
Remove the eyebolts from the D-frame unit.
6.
Install the top plate assembly. Refer to step 7 in
Illustration 1.11
.
6a
With the gasket facing the enclosure, secure
the top plate to the enclosure using M5x18
screws, 14 (D5h/D6h) or 18 (D7h/D8h).
6b
Torque to 5.1 Nm (45 in-lb).
7.
Secure the unit to the options enclosure.
8.
Reconnect the unit to the mains and motor.
9.
Securely fasten the front door of the unit and the
front panel on the options enclosure.
Installation Instructions
In-back/Out-back Cooling Kit for D5h/D6h and D7h/D8h Enclosures VLT® Series FC 102, FC 202,
and FC 302
MI70F102
Danfoss A/S © 10/2016 All rights reserved.
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