2.1.2 Caution
The adjustable frequency drive DC link capacitors remain charged after power has been disconnected. To avoid an electrical shock
hazard, disconnect the adjustable frequency drive from line power before carrying out maintenance. Wait at least as follows before
doing service on the adjustable frequency drive:
Voltage (V) Min. Waiting Time (Minutes)
4 15 20 30 40
200 - 240 0.34–5 hp [0.25–3.7
kW]
7.5–60 hp [5.5–45 kW]
380 - 480 0.5–10 hp [0.37–7.5
kW]
15–125 hp [11–90 kW] 150–350 hp [110–250
kW]
450–1350 hp [315–
1000 kW]
525-600 1–10 hp [0.75 kW–7.5
kW]
15–125 hp [11–90 kW] 450–1600 hp [315–
1200 kW]
525-690 15–125 hp [11–90 kW] 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.
2.1.3 Disposal Instructions
Equipment containing electrical components may not be disposed of together with domestic
waste.
It must be separately collected with electrical and electronic waste according to local and cur-
rently valid legislation.
2 Introduction to the VLT AQUA Drive VLT
®
AQUA Drive Design Guide
2-2
MG.20.N5.22 - VLT
®
is a registered Danfoss trademark
2