Elios 25 STD solar control unit

Microprocessor differential regulator for solar thermal systems.

4 inputs for PT1000 temperature probes, 2 PWM outputs (east-west), 4 relay outputs, 1 auxiliary output for SPDT relay alarm. Display of all temperatures. Configuration of 20 different hydraulic schemes. Self-diagnostics, with visual and audible alarms.

Available functions:

• periodic activation of loads;
• night-time cooling of the boiler (holiday function);
• heat measurement.