Danfoss VLT AutomationDrive FC 300 Series Service Guide

11.2.12 Current Sensors
NOTICE
PARTS VARIATIONS
Due to dierences in manufacturer, some current sensors look dierent than the sensors shown in Illustration 11.6. LEM
is the manufacturer of current sensors used since the rst quarter of 2016. Previously, Honeywell manufactured the
current sensors.
To remove or reinstall the current sensors, use the following steps. See Illustration 11.6.
Disassembly
1. Remove the power terminal mounting plate. Refer
to chapter 11.2.11 Power Terminal Mounting Plate.
2. Disconnect the current sensor cable from the
cable connector on each of the 3 current sensors.
3. Remove 6 screws (T20), 2 from each of the 3
current sensors.
4. Remove the current sensors from the unit.
Reassembly
Tighten fasteners according to chapter 14.1 Fastener Torque
Ratings.
1. Position 3 current sensors on top of the power
terminal mounting plate so that the cable
connectors face the back of the drive. Ensure that
the airow arrows on the sensors point toward
the front of the drive.
2. Secure 6 thread-forming screws (T20), 2 in the
base of each current sensor. Torque to 2.0 Nm
(17.7 in-lb).
3. Connect the current sensors cables to the current
sensors, 1 cable to each current sensor.
4. Route the cables through the cable guides.
5. Replace the power terminal mounting plate. Refer
to chapter 11.2.11 Power Terminal Mounting Plate.
D2h/D4h/D7h/D8h/J9 Unit Dis... Service Guide
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Danfoss VLT AutomationDrive FC 300 Series Specifications

General

Brand	Danfoss
Model	VLT AutomationDrive FC 300 Series
Category	DC Drives
Language	English