Danfoss VLT Lift Drive LD 302 Інструкція з монтажу Посібник з монтажу
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Installation Instructions
Control Card VLT
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 Instructions
Only Danfoss authorized, qualified personnel is allowed to repair this equipment.
WARNING
DISCHARGE TIME
The frequency converter contains DC-link capacitors, which can remain charged even when the frequency converter is not
powered. High voltage can be present even when the warning LED indicator lights are off. Failure to wait the specified time
after 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 to
other 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 the
capacitors are fully discharged.
®
FC Series
Danfoss A/S © 03/2017 All rights reserved.
MI93A102