Danfoss vlt FC 102 Operating Guide

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Table 11: Installation Check List
Inspect for
Description
√
Auxiliary equip-
ment
Look for auxiliary equipment, switches, disconnects, or input fuses/circuit breakers residing on the in-
put power side of the drive, or output side to the motor. Ensure that they are ready for full-speed oper-
ation.
Check the function and installation of any sensors used for feedback to the drive.
Remove any power factor correction capacitors on the motor.
Adjust any power factor correction capacitors on the mains side and ensure that they are dampened.
Cable routing
Ensure that the motor wiring and control wiring are separated, shielded, or in 3 separate metallic con-
duits for high-frequency interference isolation.
Control wiring
Check for broken or damaged wires and loose connections.
Check that the control wiring is isolated from power and motor wiring for noise immunity.
Check the voltage source of the signals, if necessary.
The use of shielded cable or twisted pair is recommended. Ensure that the shield is terminated correctly.
Cooling clear-
ance
Ensure that the top and bottom clearance is adequate to ensure proper airflow for cooling, see 3.3.1
Cooling.
Ambient condi-
tions
Check that requirements for ambient conditions are met.
Fusing and cir-
cuit breakers
Check for proper fusing or circuit breakers.
Check that all fuses are inserted firmly and are in operational condition, and that all circuit breakers are
in the open position.
Grounding
Check for sufficient ground connections and ensure that those connections are tight and free of oxida-
tion.
Grounding to conduit, or mounting the back panel to a metal surface, is not a suitable grounding.
Input and out-
put power wir-
ing
Check for loose connections.
Check that the motor and mains cables are in separate conduit or separated shielded cables.
Panel interior
Inspect that the unit interior is free of dirt, metal chips, moisture, and corrosion.
Check that the unit is mounted on an unpainted metal surface.
Switches
Ensure that all switch and disconnect settings are in the proper positions.
Vibration
Check that the unit is mounted solidly, or that shock mounts are used, as necessary.
Check for an unusual amount of vibration.
C A U T I O N
INTERNAL FAILURE HAZARD
An internal failure in the drive can result in serious injury when the drive is not properly closed.
Ensure that all safety covers are in place and securely fastened before applying power.
AQ267037536117en-000101 / 130R008336 | Danfoss A/S © 2023.09
Electrical Installation
VLT HVAC Drive FC 102
Operating Guide

Danfoss vlt FC 102 Specifications

General

Brand	Danfoss
Model	vlt FC 102
Category	DC Drives
Language	English