Thermal system solar controller DELTASOL® BS SERIES

The RESOL controllers for standard solar thermal systems. The DeltaSol® BS series provides a clear operating concept. The intuitive commissioning menu leads you through the initial configuration in only a few steps. The system selected is shown on the display, the status of the individual components is indicated by means of flashing codes. The DeltaSol® BS series is available in 3 versions, depending on the demands. Details concerning the number of the relays as well as additional functions are shown in the technical data. DeltaSol® BS series Drainback option Heat quantity measurement Function control Commissioning menu Unit °C and °F selectable HE pump control via adapter DeltaSol® BS/4, BS Plus 3 basic system layouts (DeltaSol® BS/4), 10 basic system layouts (DeltaSol® BS Plus) to choose from Tube collector function, thermal disinfection function, time-controlled thermostat function Max. number of collector fields:1 [BS/2, BS/4], 21 [BS Plus] Max. number of stores:1 [BS/2, BS/4], 21 [BS Plus] Weather-compensated heating circuits:- External heat exchanger:- Speed control of standard pumps:check Speed control of HE pumps:check ■ via integrated PWM output:- ■ via PSW adapter:check Hardware Temperature sensor inputs:4 Sensor type:Pt1000 Inputs for Grundfos Direct Sensors™:- Input for CS10 irradiation sensor:- Impulse inputs for V40 flowmeter:- Relay outputs in total:1 [BS/2], 2 [BS/4, BS Plus] ■ semiconductor relays (speed control):1 (1) [BS/2], 2 (1) [BS/4], 2 (2) [BS Plus] ■ electromechanical relay:- ■ potential-free relay with changeover contact:- ■ potential-free relay with normally open contact:- ■ potential-free high-current relay:- PWM outputs:-