FC 300 Operating Instructions
How to Install
Motor connection ≤ 7.5kWIP55/NEMAtype12
Motor connection 11-22 kW IP 21 / NEMA type 1, IP55
/NEMAtype12(B1andB2enclosures)
All types of three-phase asynchronous standa
rd
motors can be connected to the FC 300. Normally,
small motors are star-connected (230/400 V,
/Y). Large motors are normally delta-connec
ted
(400/690 V,
/Y).Refertothemotornameplate
for correct conne ction mode and voltage.
No. 96 97 98 99
U V W PE
1)
Motor voltage 0-100% of mains voltage.
3 wires out of motor
U1 V1 W1 Delta-connected
W2 U2 V2
PE
1)
6 wires out of motor
U1 V1 W1 PE
1)
Star-connected U2, V2, W2
U2, V2 and W2 to be interconnect
ed separately.
1)
Protected Earth Connection
NB!:
In motors without phase insulation paper or other insulation reinforcement suitable for operation
with voltage supply (such as a f requency converter), fit an LC filter on the output of the FC 300.
21
MG.33.A7.02 - VLT is a registered Danfoss trademark
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