Electrical Connection - GDD DWK 25 Instructions D'installation

3.2

3.2 Electrical connection

ATTENTION!
The devices must always be disconnected from the power supply before
electrical work is carried out.
ATTENTION!
Electrical wiring work must only be carried out by authorised persons.
The applicable regulations must be observed.
ATTENTION!
The operating mode switch must be set to AUTO after the actuator has
been installed. Undesired changes to the heat pump's operating status
will result if this is not observed.
3.2.1 2-point control
The brown wire is always live
 The shaft rotates in a clockwise direction, the black cable is
live, the ball valve is closed.
 The shaft rotates in an anti-clockwise direction, the black
cable is not live.
Fig. 3.1: Connection diagram, 2-point control
EN-6
3.2.2 3-point control
Changing the direction of rotation by exchanging the connections
 The shaft rotates in a clockwise direction, the brown cable is
live, the connection passage of the ball valve is closed.
 The shaft rotates in an anti-clockwise direction, the black
cable is live, the connection passage of the ball valve is
opened.
Fig. 3.2: Connection diagram, 3-point control