Solar Control Unit Vitosolic 100 SD1

Description

Solar Control Unit Viessmann Vitosolic 100 SD1

Construction

The control unit comprises:
■ PCB
■ LCD
■ Selector keys
■ Connection terminals
– Sensors

– Solar circuit pump
– KM BUS
– Power supply (on-site ON/OFF switch)
■ PWM output for controlling the solar circuit pump
■ Relay for actuating pumps and valves.

The standard delivery includes collector temperature sensor and cylinder temperature sensor.

Functions

■ Switching the solar circuit pump for DHW and/or swimming pool heating
■ Electronic limiter for the temperature in the DHW cylinder (safety shutdown at 90 °C)
■ Collector safety shutdown
Information regarding auxiliary function for DHW heating and suppression of reheating by the boiler
Systems with Vitotronic control units with KM BUS offer optional suppression of reheating by the boiler and auxiliary function for DHW heating.
Systems with other Viessmann control units only offer optional suppression of reheating by the boiler.