Solar and differential temperature controller DeltaSol® SLT

• For complex solar systems and solid fuel boilers
• For standard and high-efficiency recirculation pumps with PWM signal
• With 4 inputs and 3 outputs

Technical data:
• Inputs: for 4 temperature sensors Pt1000, Pt500 or KTY, 1 Grundfos Direct SensorTM (analogue) and 1 FlowRotor, 1 pulse input V40 (can be switched to temperature sensor input Pt1000, Pt500 or KTY)
• Outputs: 3 semi-conductor relays, 1 floating low-voltage relay and 2 PWM outputs (can be switched to 0-10 V)
• Switching capacity: 1 (1) A 240 V~ (semi-conductor relay), 1 (1) A 30 V~ (floating relay)
• Total switching capacity: 3 A 240 V~
• Operating voltage: 100 ... 240 V~ (50 ... 60 Hz)
• Standby: 0.68 W
• Data interface: RESOL VBus®, MicroSD card slot, mini USB interface
• Housing: plastic, PC-ABS and PMMA
• Assembly: wall mounting, switch panel installation possible
• Protection type: IP 20 / DIN EN 60529
• Protection class: I
• Dimensions (W x H x D): 110 x 166 x 47 mm

Delivery contents:
• Incl. 4 sensors PT1000 (2x storage / boiler sensor FRP6, 2x collector sensor FKP6)

Functions:
• Operating hours counter
• Tube collector function
• Zone charging
• Heat transfer
• Speed regulation
• Heat quantity measurement
• Balance and diagnostic function
• Function check according to VDI 2169