Grounding Ip21 Enclosures; Motor Connection - Danfoss Turbocor Installation Manual

Installation

3.4.2.2 Grounding IP21 Enclosures

The frequency converter can be grounded using conduit or
shielded cable. For grounding of the power connections,
use the dedicated grounding points as shown in
Illustration 3.4.
Illustration 3.4 Grounding for IP21 Enclosures.
MG35Q202
Installation Guide

3.4.3 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.
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Danfoss A/S © 01/2015 All rights reserved.
For maximum cable sizes, see chapter 5.1 Power-
dependent Specifications
Comply with local and national electrical codes
for cable sizes
Gland plates are provided at the base of IP21
units
Do not install power factor correction capacitors
between the frequency converter and the motor
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)
Earth (ground) the cable in accordance with the
instructions provided
Torque terminals in accordance with the
information provided in chapter 5.3.4 Connection
Tightening Torques
Follow motor manufacturer wiring requirements
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