The HC heating controller
Heat upon request
The HC heating controller can control a weather-compensated heating circuit, the DHW loading and the afterheating demand for both. For configuring the controller quickly and easily, nine pre-programmed basic systems are available. With up to five extension modules, further heating circuits, additional DHW functions such as a circulation or a thermal disinfection, and the efficient implementation of further heat sources can be controlled. Due to the flexible application and extension possibilities, the heating controller is also ideal for larger objects such as apartment houses, residential homes and industrial buildings.
DeltaSol® MX
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RPT parameterisation tool
Remote parameterisation of RESOL controllers
The RPT parameterisation tool is a software that enables the remote parameterisation of RESOL controllers. The computer in use must be connected to the controller via an interface adapter or datalogger in a common network.
Here you can download the software and the corresponding manual free of charge.
The new system controller DeltaSol® BX Plus
The new member of the DeltaSol® family
The new member of the DeltaSol® family is the BX Plus. The system controller is equipped with five relay outputs and nine sensor inputs, connections for digital Grundfos Direct Sensors™, and PWM outputs for speed control of energy-saving high-efficiency pumps. With the integrated SD memory card slot, logging system data and updating the firmware is possible. Additional accessories as well as up to two EM extension modules, extending the controller by six sensor inputs and five relay outputs each, can be connected via the RESOL VBus®.
DL3 firmware update
Available now!
The DL3 Datalogger update V1.1 with advanced functionality is now available here !
What’s new?
- All important settings directly adjustable on the DL3
- Easy Internet access via VBus.net technology without port forwarding
- Live data configuration with filters and customised views
- Advanced network functionality
The Filling and Flushing Station of the Year
The SBS 2000 wins the Plus X Award in the categories Innovation, High Quality and Functionality and becomes "Best Product of the Year" in its product group!
The FlowSol® family is growing!
FlowSol® B – even more versatility!
The newly developed FlowSol® B is available in many combinations of three different controller families and three different pumps. The station is also equipped with an insulation casing featuring an innovative hinged controller panel, allowing for a quick and easy access to the hydraulics without dismounting the controller.
DeltaSol® MX
The all-rounder...
The DeltaSol® MX is a system controller of the latest generation and offers almost unlimited possibilities for planning and controlling solar thermal systems. The controller offers easy combination and parameterisation of pre-programmed function blocks for several millions of hydraulic variants.
Its intuitive user guidance sets a new benchmark for user friendly operation. The SD memory card slot enables integrated data logging, transfer of adjustments and firmware updates – even without a PC. 
With the connection of up to 5 extension modules via RESOL VBus® the DeltaSol® MX can control 45 sensors and 39 relays in total. Additional functions, such as the drainback option, broaden the range of application.
Click here to download the new DeltaSol® MX firmware
DeltaSol® AL
Simplicity and convenience - all in one solar controller
RESOL has once again extended its successful DeltaSol® family of solar controllers and presents the DeltaSol® AL. With a brand new design, the controller offers all vital functions required for a standard solar thermal system, a System-Monitoring-Display and a RESOL VBus®.
Operation and function control are as easy as usual and the controller's standby power consumption adds up to only 0.7 W.
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