Danfoss VLT HVAC Drive FC 102 Manuel d'installation - Page 2

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IGBT Module Replacement for D1h–D8h Drives

Installation Guide

2 Installation

QUALIFIED PERSONNEL

Only qualified personnel are allowed to install the parts described in these installation instructions.

Disassembly and reassembly of the drive must be done in accordance with the corresponding service guide.

ELECTRICAL SHOCK HAZARD

VLT® FC series drives contain dangerous voltages when connected to mains voltage. Improper installation, and installing or serv-

icing with power connected, can cause death, serious injury, or equipment failure.

Only use qualified electricians for the installation.

Disconnect the drive from all power sources before installation or service.

Treat the drive as live whenever the mains voltage is connected.

Follow the guidelines in these instructions and local electrical safety regulations.

DISCHARGE TIME (20 MINUTES)

The drive contains DC-link capacitors, which can remain charged even when the drive is not powered. 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 drives.

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 drive components, for example by touching a grounded, conductive surface or by

wearing a grounded armband.

N O T I C E

W A R N I N G

N O T I C E

Installation

AN341428219214en-000201 / 130R0383