Danfoss iC7 Series Installation Manual - Page 2

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Multiwire Kit for Fx09-Fx10

Installation Guide

2 Installation

2.1 Safety Information

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.

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.

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.

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 1

cable:

Attach the lug to the cable.

Position the lug underneath the terminal busbar, between the busbar and the plastic terminal block.

See

Illustration

N O T I C E

W A R N I N G

N O T I C E

Installation

AN428032702374en-000101 / 136R0316