Danfoss VLT HVAC Drive FC 102 Installation Instructions Manual

Also see for VLT AQUA Drive FC 202: Service guide Installation guide Installation guide Operating guide Installation guide

Danfoss VLT HVAC Drive FC 102 Installation Instructions Manual Manual pdf 1 page image

These instructions describe the replacement of the control card in:• VLT® HVAC Drive FC 102.• VLT® Refrigeration Drive FC 103.• VLT® AQUA Drive FC 202.• VLT® AutomationDrive FC 301/FC 302.• VLT® Lift Drive LD 302.Safety InstructionsOnly Danfoss authorized, qualified personnel is allowed to repair this equipment.WARNINGDISCHARGE TIMEThe frequency converter contains DC-link capacitors, which can remain charged even when the frequency converter is notpowered. High voltage can be present even when the warning LED indicator lights are off. Failure to wait the specified timeafter power has been removed before performing service or repair work can result in death or serious injury.• Stop the motor.• Disconnect AC mains and remote DC-link power supplies, including battery back-ups, UPS, and DC-link connections toother frequency converters.• Disconnect or lock PM motor.• Wait for the capacitors to discharge fully. The minimum duration of waiting time is specified in Table 1.1 to Table 1.5.• Before performing any service or repair work, use an appropriate voltage measuring device to make sure that thecapacitors are fully discharged.Installation InstructionsControl Card VLT® FC SeriesDanfoss A/S © 03/2017 All rights reserved. MI93A102