Description
The in-back/out-back cooling kit is designed for the specic
VLT
®
HVAC Drive FC 102, VLT® AQUA Drive FC 202, and VLT
®
AutomationDrive FC 302 D4h-size VLT® Parallel Drive Modules
mounted in a Rittal TS8 enclosure. The kit directs air in from
and out of the back of the unit. See Illustration 1.1.
1 Top plate assembly
2 Base duct assembly
3 Mounting backplate
4 Back-channel airow
Illustration 1.1 Direction of Airow with the Kit Installed
Kit Part Number
Part number Kit description
176F6493
In-back/Out-back Cooling Kit for the VLT
®
Paral lel
Drive Modules (2-drive system)
Table 1.1 Part Number for the VLT® Parallel Drive Modules
In-back/Out-back Cooling Kit
Items Supplied
Top plate assembly
•
Top cover (1)
•
Gasket, top cover (1)
•
Gasket, cut out (1)
•
Screws, M5x12 (11)
Enclosure mounting assembly
•
Base mounting plate, 38 mm (1.5 in.) (2)
•
Gasket, base mounting plate (2)
•
Gasket, frequency converter exhaust vent (1)
•
Screws, M5x12 (11)
•
Nuts, M10 (4)
•
Gasket, enclosure exhaust vent (1)
•
Gasket, enclosure intake vent (1)
•
Torx screws, M5x12 (14)
Installation Instructions
In-back/Out-back Cooling Kit for VLT®
Parallel Drive Modules
VLT® Series FC 102, FC 202, and FC 302
Danfoss A/S © 04/2016 All rights reserved. MI92J102
Lower duct assembly
1 Gasket between drive module and top plate (1)
2Top plate (1)
3 Gasket between duct enclosure and top plate (1)
4 Gasket, top side (2)
5Top side, cover (2)
6 Gasket, side of grill (2)
7Grill (1)
8Gasket between grill and mounting backplate (1)
9Front cover plate (1)
10 Gasket, between duct enclosure and front cover plate (1)
11 Duct enclosure (1)
12 Gasket between duct enclosure and base cover plate (1)
13 Base cover plate (1)
–Screws, M5x12 (4)
–Torx screws, M5x16 (7)
–Nuts, M5 (36)
Illustration 1.2 Lower Duct Assembly for 1 Drive Module
Safety
WARNING
DISCHARGE TIME
The frequency converter contains DC-link capacitors, which
can remain charged even when the unit is o. High voltage
can be present even when the warning indicator lights are
o. Failure to wait 20 minutes after power has been
removed before performing service or repair work, could
result in death or serious injury.
•
Stop the motor.
•
Disconnect the AC mains, permanent magnet type
motors, and remote DC-link supplies, including
battery back-ups, UPS, and DC-link connections to
other frequency converters.
•
Wait 20 minutes for the capacitors to discharge fully,
before performing any service or repair work.
•
Measure the voltage level to verify full discharge.
Installation
NOTICE
If both a bus bar kit and a back-channel cooling kit are
being installed in the cabinet, install the back-channel
cooling kit rst.
NOTICE
APPROVALS AND CERTIFICATIONS
This VLT® Parallel Drive Modules back-channel cooling kit is
UL 508C compliant. These installation instructions describe
how to install the back-channel cooling kit which, if
followed, meet specic agency approvals and certications.
Seek agency approvals or
certications
apart from Danfoss if
designing and building other congurations.
NOTICE
APPLYING GASKETS
This kit contains gaskets to ensure a proper seal between
metal parts. Before adhering a gasket to a part, check that
the part matches the gasket and that no holes are covered.
Remove paper backing and place the sticky side on the part.
Installation Instructions
In-back/Out-back Cooling Kit for VLT®
Parallel Drive Modules
VLT® Series FC 102, FC 202, and FC 302
2
Danfoss A/S © 04/2016 All rights reserved. MI92J102
Creating Vent Openings in the Mounting Backplate
Refer to Illustration 1.3 for these steps.
1. Cut out the intake and exhaust openings in the mounting backplate. The openings must match the drive module vent
openings.
2. Drill the 12 screw holes around the exhaust (top) vent openings and insert the 12 M5 X 12 pem studs.
3. Drill the 12 screw holes around the intake (bottom) vent openings and insert the 12 M5 X 12 pem studs.
Illustration 1.3 Vent Dimensions for Mounting Plate
Installation Instructions
In-back/Out-back Cooling Kit for VLT®
Parallel Drive Modules
VLT® Series FC 102, FC 202, and FC 302
MI92J102 Danfoss A/S © 04/2016 All rights reserved.
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