Connection Tightening Torques - Danfoss VTT Series Applications And Installation Manual

Variable twin turbo centrifugal compressors
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Connection Tightening
Torques
Table 33
Tightening Torques,
Drive Module
Table 34
Tightening Torques,
Motor Terminals
Electrical Power Wiring
When tightening all electrical connections, it
is very important to tighten with the correct
torque. Too low or too high torque results in a
Terminal No
N165
N232 and N262
Type
Phase
Grounding
bad electrical connection. Always use a torque
wrench to tighten the bolts.
Function
Mains AC Input
Motor Output
High Voltage DC
(Regen)
Earth (ground)
Range: 8.5-20.5 (8.5-15)
Mains AC Input
Motor Output
High Voltage DC
(Regen)
Earth (ground)
Torque Nm (ft. lb.)
30 (22)
20 (15)
M-AI-VT-001-EN Rev.C.1
Torque [Nm (ft. lb.)]
Nominal: 29.5 (22)
Range: 19-40
(14-30)
Nominal: 14.5 (11)
Nominal: 29.5 (22)
Range: 19-40
(14-30)
Bolt Size
M10
M8
M10
Page 73 of 73

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This manual is also suitable for:

Vtt880Vtt1000Vtt1200

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