1.1.5 Caution
The adjustable frequency drive DC link capacitors remain charged after power has been disconnected. To avoid the risk of electrical
shock, disconnect the adjustable frequency drive from the line power before performing maintenance procedures. Wait at least as long
as follows before servicing the adjustable frequency drive:
Voltage
Min. Waiting Time
4 min.
15 min.
20 min.
30 min.
200–240 V
0.34–5 hp [0.25–3.7 kW]
7.5–60 hp [5.5–45 kW]
380–480 V
0.5–10 hp [0.37–7.5 kW]
15–125 hp [11–90 kW]
150–160 hp [110–250 kW] 450–1350 hp [315–1000 kW]
525–600 V
1–10 hp [0.75 kW–7.5 kW]
15–125 hp [11–90 kW]
525–690 V
60–550 hp [45–400 kW]
600–1600 hp [450–1200 kW]
Be aware that there may be high voltage on the DC link even when the LEDs are turned off.
Extended and Advanced Cascade Controller
Option
1 Safety and precautions
MI.38.C2.22 - VLT
®
is a registered Danfoss trademark
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