Danfoss RFI Auxiliary Card Installation guide

Installation Instructions

RFI Auxiliary Card 30-75 kW

®

VLT

AutomationDrive FC 360

The instructions provide information about the replacement of

the RFI auxiliary card in the VLT

Only Danfoss-authorised, qualified personnel is allowed to
repair this equipment. The personnel must be familiar with the
instructions and safety measures described in the

®

AutomationDrive FC 360 Service Manual.

VLT

®

AutomationDrive FC 360.

1.1.1 Items Supplied

Items supplied depend on ordered code number and
enclosure type of the frequency converter.

Code number Items supplied

132B0292

132B0308

RFI Auxiliary Card, enclosure type J6

•

RFI Auxiliary Card, enclosure type J7

•

1.1.2 Tools Required

Screwdrivers:

•

Flat-edged

-

T10

-

T20

-

T25

-

T30

-

N8 socket wrench

•

N10 socket wrench

•

N5 Allen key

•

1.1.3 Safety Instructions

WARNING

DISCHARGE TIME

The frequency converter contains DC-link capacitors, which
can remain charged even when the frequency converter is
not powered. Failure to wait the specified time after power
has been removed before performing service or repair work,
could result in death or serious injury.

1. Stop the motor.

2. Disconnect AC mains, permanent magnet type
motors, and remote DC-link power supplies,
including battery back-ups, UPS, and DC-link
connections to other frequency converters.

3. Wait for the capacitors to discharge fully, before
performing any service or repair work. The duration
of waiting time is specified in Table 1.1.

Minimum waiting time (minutes)

Voltage [V]

415

380-480 0.37-7.5 kW 11-75 kW

High voltage may be present even when the warning LEDs are off!

Table 1.1 Discharge Time

Danfoss A/S © Rev. 2014-03-04 All rights reserved. MI06O102

1.1.4 Installation

The RFI auxiliary card is located beneath the power control
card (enclosure type J7) or beneath the control card cassette
(enclosure type J6).

Replacing the RFI auxiliary card for enclosure type J6

1.

Follow the instructions in VLT
360Service Manual to remove the control card
cassette.

2. Remove the 8 M4x8 screws (T20, torque: 1.5 Nm) on
the RFI auxiliary card and remove the card.

®

AutomationDrive FC

Replacing the RFI auxiliary card for enclosure type J7

1.

Follow the instructions in the VLT

®

AutomationDrive

FC 360 Service Manual to remove the power control

card.

2.

Follow the instructions in VLT

®

AutomationDrive FC

360 Service Manual (see the chapter on power card

replacement) to remove the power control card
mounting plate.

3. Remove the 8 screws (T20, M4x8, torque: initial 0.5
Nm; final 1.5 Nm) on the RFI auxiliary card, and
remove the RFI auxiliary card.

4. Install the new RFI auxiliary card in reverse order.

1Screws (T20, M4x8)

2 Connector MK101

Illustration 1.1 RFI Auxiliary Card, Enclosure Type J6

Illustration 1.2 Positions of M4 Screws on RFI Auxiliary Card,

Enclosure Type J7

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on
order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies. Danfoss
and the Danfoss logotype are trademarks of Danfoss A/S. All rights reserved.

Danfoss A/S
Ulsnaes 1
DK-6300 Graasten
www.danfoss.com/drives

MI06O102132R0215 Rev. 2014-03-04

*MI06O102*