Grundfos CME - Electrical Installation; Protection Against Electric Shock

English (GB)
7
7. Electrical installation
If the power supply cable is damaged, it must be
replaced by the manufacturer, the manufacturer's
service partner or a similarly qualified person.
The user or the installer is responsible for the
installation of correct earthing and protection
according to local regulations. All operations must be
carried out by a qualified electrician.
7.1 Protection against electric shock,
indirect contact
Protective-earth conductors must always have a
yellow/green (PE) or yellow/green/blue (PEN) colour
marking.
7.1.1 Protection against mains voltage transients
The motor is protected against mains voltage
transients in accordance with EN 61800-3.
7.1.2 Motor protection
The motor requires no external motor protection. The
motor incorporates thermal protection against slow
overloading and blocking.
7.2 Cable requirements
7.2.1 Cable cross-section
1 x 200-230 V
3 x 380-500 V
3 x 200-240 V
7.2.2 Conductors
Type
Stranded or solid copper conductors.
Temperature rating
Temperature rating for conductor insulation: 60 °C
(140 °F).
Temperature rating for outer cable sheath: 75 °C
(167 °F).
DANGER
Electric shock
- Death or serious personal injury
- Switch off the power supply to the motor
and to the signal relays. Wait at least 5
minutes before you make any
connections in the terminal box. Make
sure that the power supply cannot be
accidentally switched on.
DANGER
Electric shock
- Death or serious personal injury
- Check that the supply voltage and
frequency correspond to the values
stated on the nameplate.
WARNING
Electric shock
- Death or serious personal injury
- Connect the motor to a protective earth
and provide protection against indirect
contact in accordance with local
regulations.
DANGER
Electric shock
- Death or serious personal injury
- Always comply with local regulations as
to cable cross-sections.
Power
[kW]
Conductor
type
Cross section
[mm
2
][AWG]
0.25 - 1.5
Solid 1.5 - 2.5 16-12
Stranded 1.5 - 2.5 16-12
Power
[kW]
Conductor
type
Cross section
[mm
2
][AWG]
0.25 - 2.2
Solid 1.5 - 10 16-8
Stranded 1.5 - 10 16-8
3.0 - 11
Solid 2.5 - 10 14-8
Stranded 2.5 - 10 14-8
Power
[kW]
Conductor
type
Cross section
[mm
2
][AWG]
1.1 - 1.5
Solid 1.5 - 10 16-8
Stranded 1.5 - 10 16-8
2.2 - 5.5
Solid 2.5 - 10 14-8
Stranded 2.5 - 10 14-8