Resol DeltaSol CS4 Controller

The DeltaSol® CS4 controllers are used for speed control of a HE pump in small standard solar thermal and heating systems.

They are equipped with a PWM output as well as with an input for a VFD Grundfos Direct Sensor™ which enables precise heat quantity measurement.

The commissioning menu ensures an easy and quick configuration.

• For the speed control of high-efficiency pumps
• 1 input for a VFD Grundfos Direct Sensor™
• Heat quantity measurement
• Commissioning menu
• 3 basic system layouts to choose from 
• Function control
• Tube collector function, thermal disinfection 
• Drainback option
• Unit °C and °F selectable
• Heat pump demand 

Supplied with 1 x FKP6 and 2 x FRP6 sensors.