Motor Connection - Danfoss VLT FC 103 Instruction Manual

Refrigeration drive
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Installation
2
2
Figure 2.10 Control Wiring Access for A4, A5, B1,
B2, C1 and C2 Enclosures
See Table 2.3 before tightening the covers.
Frame
A4/A5
B1
B2
C1
C2
* No screws to tighten
- Does not exist
Table 2.3 Tightening Torques for Covers (Nm)

2.4.4 Motor Connection

WARNING
INDUCED VOLTAGE!
Run output motor cables from multiple adjustable
frequency drives separately. Induced voltage from
output motor cables run together can charge equipment
capacitors even with the equipment turned off and
locked out. Failure to run output motor cables separately
could result in death or serious injury.
For maximum wire sizes, see chapter 10.1 Power-
dependent Specifications
Comply with local and national electrical codes
for cable sizes
Motor wiring knockouts or access panels are
provided at the base of IP21 and higher
(NEMA1/12) units
16
Instruction Manual
IP20
IP21
IP55
-
-
2
-
*
2.2
-
*
2.2
-
*
2.2
-
*
2.2
Danfoss A/S © Rev. 2014-02-10 All rights reserved.
Do not install power factor correction capacitors
between the adjustable frequency drive and the
motor
Do not wire a starting or pole-changing device
between the adjustable frequency drive and the
motor
Connect the 3-phase motor wiring to terminals
96 (U), 97 (V), and 98 (W)
Ground the cable in accordance with grounding
instructions provided
Torque terminals in accordance with the
information provided in chapter 10.4 Connection
Tightening Torques
Follow the motor manufacturer wiring
requirements
Figure 2.11, Figure 2.12 and Figure 2.13 represent line power
input, motor, and grounding for basic adjustable frequency
drives. Actual configurations vary with unit types and
optional equipment.
IP66
2
2.2
2.2
2.2
2.2
Figure 2.11 Motor, Line Power and Ground Wiring for Frame
Size A
- LC -
MG16E222

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