Voltage [V] Minimum waiting time (minutes)
4 7 15
200–240 0.25–3.7 kW
(0.34–5 hp)
– 5.5–37 kW
(7.5–50 hp)
380–500 0.25–7.5 kW
(0.34–10 hp)
– 11–75 kW
(15–100 hp)
525–600 0.75–7.5 kW
(1–10 hp)
– 11–75 kW
(15–100 hp)
525–690 – 1.5–7.5 kW
(2–10 hp)
11–75 kW
(15–100 hp)
Table 2.1 Discharge Time
WARNING
LEAKAGE CURRENT HAZARD
Leakage currents exceed 3.5 mA. Failure to ground the
frequency converter properly can result in death or
serious injury.
•
Ensure the correct grounding of the equipment
by a certied electrical installer.
WARNING
EQUIPMENT HAZARD
Contact with rotating shafts and electrical equipment
can result in death or serious injury.
•
Ensure that only trained and qualied personnel
perform installation, start-up, and maintenance.
•
Ensure that electrical work conforms to national
and local electrical codes.
•
Follow the procedures in this guide.
WARNING
UNINTENDED MOTOR ROTATION
WINDMILLING
Unintended rotation of permanent magnet motors
creates voltage and can charge the unit, resulting in
death, serious injury, or equipment damage.
•
Ensure that permanent magnet motors are
blocked to prevent unintended rotation.
CAUTION
INTERNAL FAILURE HAZARD
An internal failure in the frequency converter can result
in serious injury when the frequency converter is not
properly closed.
•
Ensure that all safety covers are in place and
securely fastened before applying power.
Safety Operating Guide
MG33AT02 Danfoss A/S © 05/2018 All rights reserved. 7
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