CPsingle, CPdouble
4.3 Electrical connections
4.3.1 Electrical Connections (housing version / 115 V or 230 V)
Make sure that mains voltage and frequency meet the specifications of the motor (voltage tolerance ± 5 % and frequencytoler-
ance ± 2%.)
Peristaltic pumps of housing version type SA-AC (230/115 V) are delivered as standard with a 2 m connecting cable.
The fixed connection cable for the housing version has three numbered braids and one PE connection.
The protective earth has to be connected to the green/yellow of the connection cable.
Select mains and protection earth cross section according to the rated current.
For the electrical connections especially for the protective conductor use a cable cross-section from minimum 0,5 mm
2
.
Obey differing specifications on the type plate. The conditions at the installation site must meet all specifications on the type
plate.
When connecting to a 115 V or 230 V supply, connect the following braids:
No. 3
No. 2
No. 1
PE
40 mm
6 mm stripped
Power supply
Connection
Remark
115 V
Braid 2; 3 and PE
DANGER
Braid 1 is live and must be professionally insulated!
230 V
Braids 1; 3 and PE
DANGER
Braid 2 is live and must be professionally insulated!
4.3.2 Electrical Connections (built-in version / 115 V or 230 V)
The three strands (500 mm long) moulded to the motor are white, yellow and blue.
When connecting to a 115 V or 230 V supply, connect the following braids:
Power supply
Connection
Remark
115 V
white and blue
DANGER
The yellow strand is live and must be professionally insulated!
230 V
yellow and blue
DANGER
The white strand is live and must be professionally insulated!
4.3.3 24 V DC
The drive motor features two braids (AWG 24, 250 mm long), which must be connected to the 24 V DC supply as follows:
Power supply
Connection
Remark
24 V
red:
+ U
Positive terminal supply
black:
- U
Negative terminal supply
9
Bühler Technologies GmbH
BE450021 ◦ 01/2017
