Specifications

5.1.7 Safety Requirements of Mechanical
Installation
CAUTION
To avoid serious injury or equipment damage, observe
the information in the field mounting and integration
kits, especially when installing large units.
CAUTION
The frequency converter is cooled with air circulation.
To protect the unit from overheating, ensure that the
ambient temperature does not exceed the maximum
rated temperature. If the ambient temperature is in the
range of 45–55
°
C, derating of the frequency converter is
relevant. See 8.5.2 Derating for Ambient Temperature.
Failure to consider derating for ambient temperature can
reduce the service life of the frequency converter.
5.2 Electrical Installation
5.2.1 Cables General
NOTICE
For the VLT
®
HVAC Drive mains and motor connections,
refer to the VLT
®
HVAC Drive High Power Operating
Instructions.
NOTICE
Cables General
All cabling must comply with national and local
regulations on cable cross-sections and ambient
temperature. Copper (60/75
°
C) conductors are
recommended.
Frame size Terminal Size Torque nominal [Nm (in-lbs)] Torque range [Nm (in-lbs)]
D1h/D3h/D5h/D6h Mains
Motor
Load sharing
Regeneration
M10 29.5 (261) 19-40 (168-354)
Earth (ground)
Brake
M8 14.5 (128) 8.5-20.5 (75-181)
D2h/D4h/D7h/D8h Mains
Motor
Regeneration
Load Sharing
Earth (ground)
M10 29.5 (261) 19-40 (168-354)
Brake M8 8.5-20.5 (75-181)
E Mains M10 19.1 (169) 17.7-20.5 (156-182)
Motor
Load Sharing
Earth
Regen M8 9.5 (85) 8.8-10.3 (78.2-90.8 in-lbs.)
Brake
F Mains M10 19.1 (169) 17.7-20.5 (156-182 in-lbs.)
Motor
Load Sharing
Regen: DC-
DC+
M8
M10
9.5 (85)
19.1 (169)
8.8-10.3 (78.2-90.8)
17.7-20.5 (156-182)
F8-F9 Regen M10 19.1 (169) 17.7-20.5 (156-182)
Earth M8 9.5 (85) 8.8-10.3 (78.2-90.8)
Brake
Table 5.25 Terminal Tightening Torques
How to Install VLT® HVAC Drive FC 102 Design Guide
MG16C102 - Rev. 2013-08-20 99
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