Digital temperature differential controller for thermal solar systems (1 collector field, 1 tank), full graphic, backlit black/white display, operation via rotary/push control and ESC button, 3 inputs for PT 1000 sensor, analogue or PWM output for high-efficiency pump, speed regulation, a pre-configured hydraulic diagram, 1 Triac output, error monitoring, manual operation option, collector safety function; commissioning / service assistant, fixed T and Delta T regulation, pipe collector function, shut-off delay for outputs, anti-freeze, sensor monitoring, monitoring of output parameters, operating hours counter, solar yield measurement for pump control, also possible without volumetric flow meter, scope of supply includes 2 PT 1000 universal temperature sensors.
