Connection Tightening Torques - Danfoss VLT FC 100 Instruction Manual

Specifications
D6h frame
D8h frame (not
including the
N315T4)
D8h frame
(N315T4 only)
Table 10.9
1) With a Bussmann type LPJ-SP or Gould Shawmut type AJT fuse.
450 A max fuse size for D6h and 900 A max fuse size for D8h.
2) Must use Class J or L branch fuses for UL approval. 450 A max fuse
size for D6h and 600 A max fuse size for D8h.

10.3.4 Connection Tightening Torques

When tightening all electrical connections, it is very
important to tighten with the correct torque. Too low or
too high torque results in a bad electrical connection. Use
a torque wrench to ensure correct torque. Always use a
torque wrench to tighten the bolts.
Frame Size
D1h/D3h/D5h/
D6h
10 10
D2h/D4h/D7h/
D8h
Table 10.10 Torque for Terminals
10-10
VLT
Instruction Manual
415 V 480 V 600 V
IEC 1) UL 2) UL 2)
100,000 A 100,000 A 100,000 A 100,000 A
100,000 A 100,000 A 100,000 A 100,000 A
100,000 A Consult Not applicable
factory
Terminal Torque
Line power
19–40 Nm
Motor
(168–354 in-
Load sharing
lbs)
Regen
Ground 8.5–20.5 Nm
Brake (75–181 in-lbs)
Line power
Motor 19–40 Nm
Regen (168–354 in-
Load sharing lbs)
Ground
Brake 8.5–20.5 Nm
(75–181 in-lbs)
MG16D222 - VLT
®
HVAC Drive D-Frame
690 V
IEC 1)
Bolt size
M10
M8
M10
M8
®
is a registered Danfoss trademark