The switch point can be set: minimum value (< 10) - 10 - 15 - 20 ... 55 - 60 - maxi- mum value (> 60). Factory setting in cm/s SC0522 SC0523 SC0524 SC0525 SC0528 The values are valid for water and installation in pipes 2“.
2 Installation The sensor tip must be completely immersed in the medium. • In the case of horizontal pipes mount the unit from the side, if possible (fig. 1). - When the unit is to be mounted at the bottom of the pipe, it should be free from deposits.
3 Electrical connection The unit must only be mounted by an electrician. The national and international regulations for the installation of electrical equipment must be observed. Voltage supply and contact rating for the relay to EN50178, SELV, PELV. ► Disconnect power before connecting the unit as follows. L1 / L+ N / L 5: programming input...
4 Switch point setting There are 2 possibilities: ► Connect the SC teach button (order no. E40212) and press the button for the specified time. ► Or apply the operating voltage (+UB) to pin 5 for the specified time. IN (pin 5) OUT = 1 OUT = 0 Time window...
5 Operation After mounting and wiring check whether the unit operates correctly. Recommended maintenance: Check the sensor tip for build-up from time to time. Clean it with a soft cloth. If ne- cessary, build-up which adheres firmly (e.g. lime) can be removed with a common vinegar cleansing agent.