Emotron EMX-D, Instruction Manual

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Emotron AB 01-5016-01r0 Installation 11
Fig. 8 Motor and PTC cables connection to motor, 3- phases
and protective earth plus PTC cables, all screened.
Cable kit
The cables for linking the motor and control unit can be
ordered separately as a kits consisting of:
Motor cable, 2.9 meter: 4 x 1.5 mm
2
screened and 3.1 meter
PTC cable, 2 x 0.75 mm
2
screened with red marked cables.
3.4.3 EMC recommendations
To fulfil the requirements regarding Electromagnetic
Compatibility (EMC) stipulated in the European directive
2004//EEC, it is essential to follow the instructions adhered
to. EMX-D features an integral EMC filter.
The following should be observed for EMX-D:
• Screened cable must be used for the motor cable, the
PTC cable the control cable and the cable to the rotation
monitor. The shields shall be connected to the chassis/
earth with metal cable nipples.
• The mains cable and the alarm cable do not need to be
screened.
• The screened motor cable must be placed against a metal
support, such as the heat exchanger rotor housing. The
shielding must be connected to the chassis of both the
motor and the control unit. Metal cable nipples should
be used.
• The control cables must be screened. The shielding must
be connected to the chassis/earth using metal cable
glands. The cable to the rotation monitor must also be
screened.
Fig. 9 EMC-adapted installation of EMX-D
T2 T1
U1 V1
W1
W2
U2
V2
Motor cables
Motor earth
PTC cables
(red marked
Screen connections
cables)
from control
unit
from control
unit
Motor cable,
Mains
screened
Alarm cable
Control
Cable to
cable,
rotation monitor,
Motor
PTC cable,
screened
screened
screened
Control unit
EMX-D
cable