Installation Instructions - Honeywell NX series User Manual

32(86)

Installation instructions

6.1.2
Continues on the next page
6
Cabling and connections
Before starting the installation, check that none of the components of the
1
frequency converter are live.
If the frequency converter is installed outside either a switchgear,
2
separate cubicle or electrical room, it must be equipped with a protection
cover (see e.g. Figure 6-4) as provided by the regulations for IP21
protection class. For installations in a switchgear, separate cubicle or
electrical room, the cable protection plate is normally not necessary.
Place the motor cables sufficiently far from other cables:
3
!
Avoid placing the motor cables in long parallel lines with other
cables
!
If the motor cables runs in parallel with other cables, note the
minimum distances between the motor cables and other cables
given in the table below.
!
The given distances also apply between the motor cables and
signal cables of other systems.
!
The maximum length of the motor cables is 300 m (level H,
units with power greater than 1.5 kW) and 100 m (units with power
from 0.75 to 1.5 kW).
!
The motor cables should cross other cables at an angle of 90
degrees.
If cable insulation checks are needed, see Chapter 6.1.4.
4
Distance Shielded
between cables cable
[m] [m]
50
0.3
1.0 200