Caleffi Deltasol SLL digital regulator with PWM control

Caleffi Deltasol SLL digital regulator with PWM control

The functionality of the Caleffi Deltasol SLL digital controller with PWM control has been optimized for use in small and medium-sized solar and heating systems and offers 10 pre-configured systems. The DeltaSol SLL is the first control unit to include automatic operation control according to the VDI 2169 directive.

It is equipped with a potential-free low voltage relay for supplementary heating and a pulse input to create heat balances with a V40 flow meter, furthermore on the front there is a system monitoring display which shows the diagram of the selected system.

It features a series of technical specifications:

- 3 relay outputs (of which 1 potential-free low voltage relay);

- 4 inputs for Pt1000, Pt500 or KTY temperature probes;

- 1 V40 pulse input;

- 2 PWM outputs for speed regulation of high efficiency pumps;

- Complete with pre-formed shell insulation.

The Caleffi Deltasol SLL digital regulator can be coupled with 278HE, 279HE and 255HE series circulation groups .

The installation must be carried out by expert and qualified personnel and in a dry place, preferably a technical room. Further information regarding installation methods and other technical specifications can be viewed in the user manual supplied with the product.

DIMENSIONS

- Dimensions: Width 110 mm_Height 166 mm_Depth 47 mm

WARRANTY

The guarantee is the official Caleffi one and lasts 2 years.