Danfoss iC7 Series Bedienungsanleitung
1 Overview
1.1 Description
The multiwire kit enables the connection of 3 wires to a single terminal in iC7 Series Fx09–Fx10 Frequency Converters. The kit in-
cludes parts for making multiwire connections to 3 mains terminals and 3 motor terminals.
See Table 1 for the maximum number of cables per phase and maximum cable size when using the multiwire kit. Refer to the design
guide for other power cable specifications.
Table 1: Maximum Number and Size of Cables for Multiwire Kit Connections
Frame
Maximum number of cables per phase and maximum cable cross-section [mm2(AWG)]
Fx09
3x70 (3x2/0)
Fx10
3x150 (3x300 MCM)
1.2 Kit Number
Table 2: Multiwire Kit Number
Number
Description
176F4189
Fx09–Fx10 multi wire kit
1.3 Items Supplied
Table 3: Contents of Multiwire Kit for iC7 Series Fx09–Fx10 Frequency Converters
Item
Quantity
Hex screw M10x60
6
Washer M10
6
Spacer
6
AN428032702374en-000101 / 136R0316 | 1Danfoss A/S © 2022.10
Installation Guide
Multiwire Kit for Fx09-Fx10
iC7 Series Frequency Converters
1.
2.
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-b.
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2 Installation
2.1 Safety Information
NOTICE
QUALIFIED PERSONNEL
Only qualified personnel are allowed to install the parts described in these installation instructions.
Disassembly and reassembly of the frequency converter must be done in accordance with the corresponding service guide.
Use the standard fastener torque values from the service guide, unless the torque value is specified in these instructions.
WARNING
ELECTRICAL SHOCK HAZARD
The frequency converter contains dangerous voltages when connected to mains voltage. Improper installation, and installing or
servicing with power connected, can cause death, serious injury, or equipment failure.
Only use qualified electricians for the installation.
Disconnect the frequency converter from all power sources before installation or service.
Treat the frequency converter as live whenever the mains voltage is connected.
Follow the guidelines in these instructions and local electrical safety codes.
WARNING
DISCHARGE TIME (20 MINUTES)
The frequency converter contains DC-link capacitors, which can remain charged even when the frequency converter is not pow-
ered. High voltage can be present even when the warning indicator lights are off.
Failure to wait 20 minutes after power has been removed before performing service or repair work can result in death or serious
injury.
Stop the motor.
Disconnect 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.
NOTICE
ELECTROSTATIC DISCHARGE
Electrostatic discharge can damage components.
Ensure discharge before touching internal frequency converter components, for example by touching a grounded, conduc-
tive surface or by wearing a grounded armband.
2.2 Installing the Multiwire Kit
To install the multiwire kit, use the following steps.
Procedure
Disconnect any existing customer wiring.
Install the 1st cable:
Attach the lug to the cable.
Position the lug underneath the terminal busbar, between the busbar and the plastic terminal block.
See Illustration 1.
AN428032702374en-000101 / 136R03162 | Danfoss A/S © 2022.10
Installation
Multiwire Kit for Fx09-Fx10
Installation Guide
c.
-d.
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3.
-a.
-b.
-c.
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Align the hole in the lug with the hole in the terminal busbar.
Check that the lug is in contact with the busbar.
Tighten the cable gland.
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12
Illustration 1: Installation of 1st Cable
Install the 2nd cable:
Attach the lug to the cable.
Position the lug on top of the terminal busbar.
See Illustration 2.
Align the hole in the lug with the hole in the terminal busbar.
AN428032702374en-000101 / 136R0316 | 3Danfoss A/S © 2022.10
Installation
Multiwire Kit for Fx09-Fx10
Installation Guide
d.
4.
-a.
-b.
-c.
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Tighten the cable gland.
12
e30bk324.10
Illustration 2: Installation of 2nd Cable
Install the 3rd cable:
Attach the lug to the cable.
Using 1 M10x60 screw, place 1 M10 washer, the 3rd lug, and 1 spacer onto the screw.
Place the items on the screw in the order listed. Check that the washer is on top of the lug, and the spacer is
below the lug. See Illustration 3.
Guide the assembled screw through the holes in the 2nd lug, the terminal busbar, and the 1st lug.
Tighten the screw.
AN428032702374en-000101 / 136R03164 | Danfoss A/S © 2022.10
Installation
Multiwire Kit for Fx09-Fx10
Installation Guide
e.
5.
Tighten the cable gland.
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12
Illustration 3: Installation of 3rd Cable and Cross Section View
Repeat steps 1–4 for each mains and motor terminal.
Torque all to 19 Nm (168 in-lb).
AN428032702374en-000101 / 136R0316 | 5Danfoss A/S © 2022.10
Installation
Multiwire Kit for Fx09-Fx10
Installation Guide
Danfoss A/S
Nordborgvej 81
DK-6430 Nordborg
www.danfoss.com
Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without no-
tice. 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.
*136R0316*
*M00391* AN428032702374en-000101 / 136R03166 | Danfoss A/S © 2022.10
Installation
Multiwire Kit for Fx09-Fx10
Installation Guide
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