Comfort control unit for lifting stations or pumping stations. Suitable for 400 V double stations. Optional connection options for float switches, conductivity probes, and level probes on the terminal strip. User-friendly menu navigation on the multi-line display. Menu navigation in six languages. Simple selection of the system to be connected with preset, system-specific operating parameters. Display of current measured values. Simple adjustment of function-relevant parameters, with integrated operating hour counter. With self-diagnosis system (SDS) for monitoring pump, sensors and battery back-up. Improper installation or operating faults trigger an optical and acoustic alarm signal. Forwarding of a collective fault and alarm signal via optional potential-free contact or integrated serial interface for a GSM modem.