Viega
4 pre-configured basic systems12 pre-programmed schemes for the temperature controls classes II, III, V, VI, VII and VIII
4 relay outputs (incl. 1 potentil-free extra-low voltage relay)
5 inputs for Pt1000 temperature sensors
5 operating modes, boiler protection, room thermostat and night correction
Holiday mode, chimney sweeper function and screed drying function via microbuttons
Data logging, storing, easy transfer of controller adjustments prepared and firmware updates via SD card
Modulating heating control with 0-10 V boiler control
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 (DeltaSol® CS/4 only)
Function control
Tube collector function, thermal disinfection (DeltaSol® CS/4 only)
Drainback option
4 relay outputs (incl. 1 potential-free extra-low voltage relay)
4 inputs for Pt1000, Pt500 or KTY temperature sensors
Input for 1 analogue Grundfos Direct Sensor™
1 V40 impulse input (also usable as a Pt1000, Pt500 or KTY temperature sensor input)
2 PWM outputs for the speed control of high-efficiency pumps
27 basic system layouts with up to 3 hydraulic variants each to choose from
Automatic function control according to VDI 2169
For the speed control of high-efficiency pumps
1 input for a VFD Grundfos Direct Sensor™
Heat quantity measurement
Commissioning menu
10 basic system layouts to choose from
Function control
Optional thermal disinfection function
