Danfoss VLT FC 103 Instruction Manual

Using RCDs
Where residual current devices (RCDs), also known as
ground leakage circuit breakers (GLCBs), are used, comply
with the following:
Use RCDs of type B only which are capable of
detecting AC and DC currents
Use RCDs with an inrush delay to prevent faults
due to transient ground currents
Dimension RCDs according to the system configu-
ration and environmental considerations
2.4.2.2 Grounding Using Shielded Cable
Grounding clamps are provided for motor wiring (see
Figure 2.8).
130BA266.10
+DC
BR-
B
MAINS
L1 L2 L3
91 92 93
RELAY 1 RELAY 2
99
- LC -
UVW
MOTOR
Figure 2.8 Grounding with Shielded Cable
2.4.3
Access
CAUTION
Device damage through contamination
Do not leave the adjustable frequency drive uncovered.
•
Remove access cover plate with a screwdriver.
See Figure 2.9.
•
Or remove front cover by loosening attaching
screws. See Figure 2.10.
130BT248.10
Figure 2.9 Control Wiring Access for A2, A3, B3,
B4, C3 and C4 Enclosures
Installation Instruction Manual
MG16E222 Danfoss A/S © Rev. 2014-02-10 All rights reserved. 15
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Danfoss VLT FC 103 Specifications

General

Brand	Danfoss
Model	VLT FC 103
Category	DC Drives
Language	English