General Cabling Rules - Honeywell SmartVFD COMPACT User Manual

22
Frame Type
MI1 P37 - 1P1 1,9-3,3
MI2 1P5 - 2P2 4,3-5,6
MI3 3P0 - 5P5 7,6 -12
Table 4.7 : Cable and fuse sizes for SmartVFD COMPACT, 380 - 480V
Note! To fulfil standard EN61800-5-1, the protective conductor should be at least
AWG 7 Cu or AWG 5 Al. Another possibility is to use an additional protective con-
ductor of at least the same size as the original one.

4.2.4 General cabling rules

1
2
3
4
4
Installation
I
Fuse
N
[A]
[A]
Cu [AWG]
6
10
20
Before starting the installation, check that none of the components of
the frequency converter is live.
Place the motor cables sufficiently far from other cables:
• Avoid placing the motor cables in long parallel lines with other
cables
• If the motor cable runs in parallel with other cables, the mini-
mum distance between the motor cable and other cables is 11.8
inches.
• The given distance also applies between the motor cables and
signal cables of other systems.
• The maximum length of the motor cables is 100 feet.
• The motor cables should cross other cables at an angle of 90
degrees.
If cable insulation checks are needed, see Chapter 4.2.7.
Connecting the cables:
• Strip the motor and mains cables as advised in Figure 4.9.
• Connect the mains, motor and control cables into their respective
terminals, see Figures 4.4 - 4.8.
• Note the tightening torques of power cables and control cables
given in page 18 and page 20.
• For information on cable installation according to UL regulations
see Chapter 4.2.6 .
• Make sure that the control cable wires do not come in contact
with the electronic components of the unit
• If an external brake resistor (option) is used, connect its cable
to the appropriate terminal.
• Check the connection of the ground cable to the motor and the
frequency converter terminals marked with
• Connect the separate shield of the motor cable to the ground
plate of the frequency converter, motor and the supply centre
Terminal cable size (min/max)
Mains
Main Ground
cable
terminal terminal
[AWG]
3*15+15 15-11
3*15+15 15-11
3*13+13 15-9
Honeywell
Control Relay
terminal terminal
[AWG] [AWG] [AWG]
15-11 20-15 20-15
15-11 20-15 20-15
15-9 20-15 20-15