Danfoss VLT HVAC Drive FC 102 Manual de instalação - Página 8

Procurar online ou descarregar pdf Manual de instalação para Unidade de controlo Danfoss VLT HVAC Drive FC 102. Danfoss VLT HVAC Drive FC 102 16 páginas. Adjustable frequency drive - safe torque off
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Installation Guide | VLT® Programmable I/O MCB 115

3 Installation

DISCHARGE TIME

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 the specified time after power has been removed before performing service or repair work could 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 for the capacitors to discharge fully before performing any service or repair work. The discharge time is specified in the

drive operating guides.

Use a measuring device to make sure that there is no voltage, before opening the drive or performing any work on the

cables.

BEFORE INSTALLATION/REPAIR

The operator or electrical installer is responsible for compliance with all applicable national and local safety regulations. Not

following national and local regulations may lead to personal injury.

Disconnect all electric power, including remote disconnects, and discharge all motor start/run capacitors before servicing.

To ensure that the power cannot be inadvertently energized, follow proper lock-out/tag-out procedures.

For more safety information, see

motor manufacturer.

Context:

The installation procedure depends on the enclosure size of the drive. This procedure is for installation in enclosure sizes A2, A3, and

B3.

W A R N I N G

2 Safety

and the relevant drive operating guide. Also, always observe the instructions provided by the

Installation

AN295938195323en-000101 / 130R0655