FC 300 Instruction Manual
How to Install
" Electrical Installation
NOTE
Cables General
Always comply with national and local regulations on cable cross -sections.
Tightening-up Torque
AFD size Cable for: Tightening-up torque
0.34-10 HP [0.25-7.5
kW]
Line, brake resistor, load sharing motor
cable
0.5-0.6 Nm
1.8 Nm
14.75-10 HP [11-15
kW]
Line, brake resistor, load sharing motor
cable
1.8 Nm
14.75-10 HP [11-15
kW]
Motor cable 1.8 Nm
Relay 0.5-0.6 Nm
Ground 2-3 Nm
" RemovalofKnockoutsforExtraCables
1. Remove the cable entry from the adjustable frequency drive (avoid foreign parts entering
the adjustable frequency drive when removing knockouts).
2. The c able entry must be supported around the knockout you intend to remove.
3. The knockout can now be removed with a strong mandrel and a hammer.
4. Remove burrs from the hole.
5. Mount cable e ntry on adjustable frequency drive.
" Connection to Line Supply and Grounding
NOTE
The plug connector for power can
be removed.
1. Make sure the FC 300 is properly grounded.
Connect to ground connection (terminal 95).
Use screw from the accessory bag.
2. Place plug connector 91, 92, 93 from the
accessory bag onto the terminals lab eled
MAINS at the bottom of the FC 300.
3. Connect line wires to the line plug connector.
The ground connection cable cross-section
must be at least 3.9 in
2
[10 mm
2
]or
have 2 rated line supply wires ter mi n ated
separately according to EN 50178.
The line supply connection is fitted to the line
supply switch if this is include d.
15
MG.33.A6.22 - VLT is a registered Danfoss trademark
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