Motor Connection - Danfoss VLT FC 103 Operating Instructions Manual

Installation
2 2
I I llustration 2.9 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 frequency
converters 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 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
•
Do not install power factor correction capacitors
between the frequency converter and the motor
14
inverter.ru (812) 702-47-50
VLT Refrigeration Drive FC 103 1.1-90 kW Operating Instructions
IP20 IP21 IP55
- - 2
- * 2.2
- * 2.2
- * 2.2
- * 2.2
MG16E202 - VLT® is a registered Danfoss trademark
•
Do not wire a starting or pole-changing device
between the frequency converter 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 10.4 Connection
Tightening Torques
•
Follow motor manufacturer wiring requirements
Illustration 2.10, Illustration 2.11 and Illustration 2.12
represent mains input, motor, and earth grounding for
basic frequency converters. Actual configurations vary with
unit types and optional equipment.
IP66
2
2.2
2.2
2.2
2.2
Illustration 2.10 Motor, Mains and Earth Wiring for Frame Size A
- LC -