VLT AQUA High Power Operation Instructions
Illustration 3.49: Always use a torque wrench to tighten the
bolts.
Frame size
D1, D2, D3 and D4
E1 and E2
F1, F2, F3 and F4
Table 3.3: Torque for terminals
3.6.6 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 using either cable glands or clamps:
•
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 converter.
3.6.7 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 factory setting is for clockwise rotation with the frequency converter output connected as follows:
Terminal No.
96, 97, 98, 99
Terminal
Mains
Motor
Load sharing
Brake
Mains
Motor
Load sharing
Brake
Mains
Motor
Load sharing
Brake
Regen
Function
Mains U/T1, V/T2, W/T3
Earth
®
MG.20.P3.02 - VLT
is a registered Danfoss trademark
Torque
19 Nm (168 in-lbs)
9.5 Nm (84 in-lbs)
19 NM (168 in-lbs)
9.5 Nm (84 in-lbs)
19 Nm (168 in-lbs)
19 Nm (168 in-lbs)
9.5 Nm (84 in-lbs)
19 Nm (168 in-lbs)
3 How to Install
Bolt size
M10
M8
M10
M8
M10
M10
M8
M10
3
61
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