Danfoss VLT 6000 Installation Manual page 31

®
VLT 5000/6000/8000
High Power Installation Guide
1) Not required with 525-600/690 V drives; therefore not possible.
3.2.6. Torque
When tightening all electrical connections it is
very important to tighten with the correct tor-
que. Too low or to high torque result in a bad
electrical connection. Use a torque wrench to
ensure correct torque
Enclosure
D1 and D2
E1
Table 3.4: Torque for terminals
3.2.7. Shielded Cables
It is important that shielded and armoured cables are connected in a proper way to ensure high
EMC immunity and low emissions. Connection can be made with either cable glands or clamps.
•
•
3.2.8. Motor cable
The motor must be connected to terminals U/T1/96, V/T2/97, W/T3/98. Earth to terminal 99. All
types of three-phase asynchronous standard motors can be used with a frequency converter unit.
The RFI switch connects the capacitors galvanically to earth.
Terminal
Mains
Motor
Load sharing
Brake
Mains
Motor
Load sharing
Brake
EMC cable glands: Generally available cable glands can be used to ensure an optimum
EMC connection.
EMC cable clamp: Clamps allowing easy connection are supplied with the frequency con-
verter.
MI.90.J2.02 - VLT ® is a registered Danfoss trademark
Illustration 3.37: Always use a torque wrench to
tighten the bolts.
Torque Bolt size
19 Nm (168 in-lbs) M10
9.5 (84 in-lbs) M8
19 NM (168 in-lbs) M10
9.5 (84 in-lbs) M8
3. Installation
3
31