DHW exchange controllers

rosenthal design 
DHW exchange controller DeltaSol Fresh<sup>®</sup> 20

OEM DHW exchange controller DeltaSol Fresh®

RESOL offers a range of solutions for the control of DHW exchange modules. Among the features available, there is the customised control of systems with or without a circulation circuit, different concepts for thermal disinfection, bypass operation, solutions for a reliable DHW supply even in the case of a sensor failure as well as innovative possibilities for draw-off detection and flow rate measurement. The RESOL DHW exchange controllers are available in a number of versions for different system sizes, additional features available are the control of high-efficiency pumps, integrated data logging and the remote access over a network or the Internet with the RESOL VBus®.


Incl. 2 Pt1000 sensors (2 x FRP6)
Article no.112 096 30 | Price bracket  A | Price on request
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  • RESOL offers customised solutions for the control of DHW exchange modules. Available features are e. g.:
  • Highly stable DHW draw-off temperature
  • Control of standard or high-efficiency pumps
  • Different concepts for thermal disinfection
  • Flexible circulation function for different user profiles
  • Adaptive PID algorithm for the best possible control quality
  • Commissioning menu
DeltaSol® Fresh 20
Inputs: 3 inputs for Pt1000, Pt500 or KTY temperature sensors
Outputs: 2 semiconductor relays and 1 PWM output
Switching capacity: 1 (1) A 240V ~ (semiconductor relay)
Total switching capacity: 2 A 240 V~
Power supply: 100 ... 240 V~ (50 ... 60 Hz)
Supply connection: Y
Power consumption: < 1 W (Standby)
Mode of operation: Typ 1.Y
Rated impulse voltage: 2,5 kV
Data interface: RESOL VBus®
VBus® current supply: 35 mA
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting, mounting into patch panels is possible
Indication/Display: System-Monitoring-Display
Operation: 3 push buttons at the front
Ingress protection: IP 20 / DIN EN 60529
Protection class: I
Ambient temperature: 0 ... 40 °C
Pollution degree: 2
Dimensions: 172 x 110 x 46 mm

DeltaSol® Fresh 100
Inputs: 10 inputs for Pt1000, 1 V40 impulse inputs, inputs for 1 Grundfos Direct Sensors™ (digital), 1 input for a CS10 irradiation sensor
Outputs: 4 semiconductor relays, 1 potential-free relay, 4 PWM outputs (convertible to 0-10 V signal outputs)
Switching capacity:
1 (1) A 240 V~ (semiconductor relay)
4 (1) A 24 V=/240 V~ (potential-free relay)
Total switching capacity: 4 A 240 V~
Power supply: 100 ... 240 V~ (50 ... 60 Hz)
Supply connection: Y
Data interface: RESOL VBus®, SD card slot
Housing: plastic, PC-ABS and PMMA
Mounting: wall mounting, mounting into patch panels is possible
Indication/Display: full graphic display
Operation: 7 push buttons
Ingress protection: IP 20 / DIN EN 60529
Protection class: I
Ambient temperature: 0 ... 40 °C
Pollution degree: 2
Dimensions: 198 x 170 x 43 mm
Incl. 2 Pt1000 sensors (2 x FKP6, 2 x FRP6)

DHW exchange controllerDeltaSol Fresh® 100

Incl. 2 Pt1000 sensors (2 x FKP6, 2 x FRP6)
Article no.: 112 096 40 |  Price bracket A |  Price on request
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