Danfoss VLT FC Series Installation Manual

Also see for VLT FC Series: Service guide Installation instructions Installation guide Installation instructions Operating guide

Danfoss VLT FC Series Installation Manual Manual pdf 1 page image

Installation GuideControl Card VLT® FC Series1 Introduction1.1 Compatible DrivesThis guide describes 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 302.1.2 Safety InstructionsOnly Danfoss authorized, qualified personnel is allowed to repair this equipment.W A R N I N GDISCHARGE TIMEThe drive contains DC-link capacitors, which can remain charged even when the drive is not powered. High voltage can bepresent 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 deathor serious injury.- Stop the motor.- Disconnect AC mains, permanent magnet type motors, and remote DC-link supplies, including battery back-ups, UPS, andDC-link connections to other drives.- Wait for the capacitors to discharge fully. The minimum waiting time is specified in table Discharge time and is also visibleon the nameplate on top of the drive.- Before performing any service or repair work, use an appropriate voltage measuring device to make sure that the capacitorsare fully discharged.Table 1: Discharge Time, VLT® HVAC Drive FC 102Voltage [V] Minimum waiting time (minutes)4 7 15 20 30 40200–240 1.1–3.7 kW(1.50–5 hp)– 5.5–45 kW(7.5–60 hp)– – –380–480 1.1–7.5 kW(1.50–10 hp)– 11–90 kW(15–121 hp)– – 315–1000 kW(450–1350 hp)AN279051429263en-000101 / 130R0788 | 1Danfoss A/S © 2018.09