Electrical Installation; Protection Against Electric Shock, Indirect Contact; Mains Supply - Grundfos TPE 1000 Serie Instrucciones De Instalación Y Funcionamiento

6. Electrical installation

Carry out the electrical connection according to local regulations.
Check that the supply voltage and frequency correspond to the
values stated on the nameplate.
Warning
Before making any connections in the terminal
box, make sure that the power supply has been
switched off for at least 5 minutes. Make sure that
the power supply cannot be accidentally
switched on.
The motor must be connected to an external
all-pole mains switch according to local
regulations.
The motor must be earthed and protected against
indirect contact in accordance with local
regulations.
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
Note
Note
according to local regulations. All operations
must be carried out by a qualified electrician.

6.1 Protection against electric shock, indirect contact

Warning
The motor must be earthed and protected against
indirect contact in accordance with local
regulations.
Protective-earth conductors must always have a yellow/green
(PE) or yellow/green/blue (PEN) colour marking.
6.1.1 Protection against mains voltage transients
The motor is protected against mains voltage transients in
accordance with EN 61800-3.
6.1.2 Motor protection
The motor requires no external motor protection. The motor
incorporates thermal protection against slow overloading and
blocking.

6.2 Mains supply

6.2.1 Single-phase supply voltage
• 1 x 200-240 V - 10 %/+ 10 %, 60 Hz, PE.
Check that the supply voltage and frequency correspond to the
values stated on the nameplate.
The wires in the motor terminal box must be as short as possible.
Excepted from this is the separated earth conductor which must
be so long that it is the last one to be disconnected in case the
cable is inadvertently pulled out of the cable entry.
For maximum backup fuse, see section 20.1 Supply voltage.
ELCB
(GFCI)
Example of a mains-connected motor with mains
Fig. 4
switch, backup fuse and additional protection
Mains connection, single-phase motors
Fig. 5
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