The Solar Controller is responsible for setting and recording the important parameters of the solar system. It is contained in the solar station and is considered the "heart" of the solar thermal system, since it is responsible for the proper operation and synchronization of all individual parts.

What is the state of the solar thermal installation? Is it energy efficient?

Just a click of a button - and you have the answer. The power of the collector is permanently measured to transfer the maximum energy to the solar boiler. A sophisticated software in the background guarantees an ideal energy balance at all times. In addition, through the solar controller, it is possible to instantly manipulate and configure parameters via the internet, from wherever you are in the world.

ANDRIANOS has been working on Solar Systems since 1994. Since 2015 ANDRIANOS designs and manufactures in two of Europe's finest factories, solar water heaters, as well as solar boilers and solar panels with the brandname AND-solar, which assembles at its headquarters in Kalamata. It offers its customers one of the finest and most competitive solar solutions in Europe. The name ANDRIANOS in both Messinia and the rest of Greece is synonymous with quality and energy savings in solar thermal systems.



Solar Controllers RESOL & SALUS

Using its long experience in Solar Thermal Systems, provides solar controllers from the leading European companies RESOL & SALUS. It has products and solutions in the simple cases of a solar heater, as well as the most demanding and modern systems that are being implemented, combining ANDRIANOS 'latest technology and know-how to create systems for every demand from the smallest to the largest building area.

resol logo            logo salus

Solar Controller - Control System DeltaSol SL

Ηλιακός ελεγκτής- Σύστημα ελέγχου DeltaSol SL

With its versatile software, the DeltaSol® SL can control even complex systems easily and reliably. 27 pre-configured system layouts with up to 3 hydraulic variants each facilitate the commissioning and enable the adaptation to the individual system requirements. The operation via 2 main buttons and 1 adjustment dial, the Lightwheel®, still follows the well-known operating concept. The multicoloured LED, integrated in the Lightwheel®, offers many possibilites to signal different system states. The microSD card slot and the 2 microbuttons for quick access to the manual mode and the holiday function are located underneath the slidable housing cover, the SLider.


  • 4 Pt1000 sensors (2 x FKP6, 2 x FRP6)
  • 4 relay outputs (incl. 1 potential-free extra-low voltage relay)
  • 4 inputs for Pt1000, Pt500 or KTY temperature sensors
  • 2 PWM outputs for the speed control of high-efficiency pumps

Solar Controller - Control System BX Plus

Ηλιακός ελεγκτής - Σύστημα ελέγχου DeltaSol BX Plus

The DeltaSol® BX is equipped with 26 pre-programmed basic systems for a broad range of 1- and 2-store systems. Pre-defined functions facilitate system parameterisation. The DeltaSol® BX L has been especially developed as an economical solution for multi-store solar thermal systems. It features pre-programmed system layouts for a range of 2- and 3-store systems and special functions such as an extended priority and loading logic. With the integrated SD card slot, system data can easily be logged and transferred to a computer.


  • 5 sensros Pt1000 (2xFKP6, 3x FRP6), PWM adapter cable and SD card
  • 4 relay outputs and 5 Pt1000 temperature sensor inputs
  • 2 inputs for analogue Grundfos Direct SensorsTM (DeltaSol® BX)
  • 2 PWM outputs for the speed control of high-efficiency pumps
  • 26 basic systems to choose from (DeltaSol® BX), 9 basic systems (DeltaSol® BX L)
  • For 2- and 3-store systems (DeltaSol® BX L)
  • Drainback option (DeltaSol® BX)
  • Thermal disinfection function, heat dump function
  • Unit °C and °F selectable 

System controller DeltaSol MX RESOL

RESOL ΚΜ2 -  Απομακρυσμένος έλεγχος στον ελεγκτή & ενσωματωμένη καταγραφή δεδομένων

The DeltaSol® MX is the most versatile system controller for complex solar and heating systems in our product range. It is ideal to control a combination of solar and non-solar parts of the system. Easy combination and parameterisation of pre-programmed functions for several millions of hydraulic variants. Data logging, storing, easy transfer of controller adjustments prepared and firmware updates via SD card. Cooling over the heating circuit with condensation detection by means of a dew point switch. Simplified timer, 0-10 V boiler control and DHW preheating. Remote access to the heating circuits with room control unit(s) or the VBus®Touch HC App. Extended optional functions, e.g. solid fuel boiler function with mixer and target temperature control


  • 6 Pt1000 sensors (2xFKP6, 4x FRP6), PWM adapter cable and SD card
  • 12 sensor inputs and 14 relay outputs
  • Up to 5 extension modules via RESOL VBus® (45 sensors and 39 relays in total)
  • 4 PWM outputs for speed control of high-efficiency pumps.
  • Inputs for analogue and digital Grundfos Direct Sensors™

RESOL ΚΜ2 -  Remote control to the controller& built-in data recording

RESOL ΚΜ2 -  Remote control to the controller & built-in data recording

KM2 is the ideal interface between a Resol controller and the internet. In addition, it allows you to record system data and access the system through it

Includes: CD, cable LAN, power adapter and pre-connected cable VBus


Solar Controller Salus PCSOL 201 

hliakos elegkths salus pcsol 201

PCSOL 201 is a microprocessor controller with graphic display and TOUCH & PLAY operation system. It is intended for controlling solar circuits. Can be used with HIGH EFFICIENCY solar pumps controlled with PWM signal and volt-free H output.


  • PWM control of HIGH EFFICIENCY pump
  • TOUCH & PLAY operating system
  • Many solar schemes to choose
  • Posibility to connect 4 temp. sensors PT 1000 (CT6-PT1000 and CT6W-PT1000 included)
  • Turning off the heater when solar starts to work
  • Function of pump stop after reaching max. temp. of the tank
  • Function of heat drop after reaching max. temp. of the tank
  • Time periodes for heater
  • Intelligent alarm - identification of alarm situations
  • Antifreeze function
  • Calculation of recovered heat
  • Visualization of recovered energy from the drain of the last days

Technical details:

  • Measurement inputs (low voltage): 4 temperature inputs
  • Other inputs/outputs(low voltage): Output (H) 5-6 V/0,1 A (DC), Output PWM for controlling the solar pump (only P1)
  • PWM freguency signal: 200 Hz
  • Signal level: 5 V
  • Digital: 5÷100%
  • High voltage outputs: Output P1, P2: 230 V/ max 0,5 A (AC)
  • Power supply: 230 V (AC), 50 Hz. I=1.02 A*
  • Load ability: P1,P2 not more than 0.5 A (AC)/output
  • Operating conditions: 0° ≤ Ta ≤ 40°C, humidity 10-90%, without condensation
  • Protection degree: IP 20
  • Weight: 280 g
  • Dimensions [mm]: W-140 H-95 D-40

Download PDF with the leaflet of ANDRIANOS Solar Thermal Systems

download pdf


Expressions of interest

If you are interested in ANDRIANOS products, please call at +3027210 23124 or fill out the form. We will contact you as soon as possible.

Solar Thermal Projects by ANDRIANOS

18 March 2021
The energy upgrade of the MANIATIS hotel included the supply and installation of ANDRIANOS solar thermal system, based on the top collectors (AND-solar Premium) and the innovative solar boilers ANDRIANOS Pro-Hyg with temperature stratification.
22 May 2017
Renewable Sources of Energy (RSE) are the best solution for not only energy saving but also for the protection of the environment. Especially at the mesmerizing island of Elafonisos, with the protected area NATURA, the choice of solar thermal for domestic hot water, was the most appropriate for the owners of the hotel Maniatis Studio.
4 May 2017
Elafonisos offers its visitors emerald water beaches, sand dunes and bright sky with unlimited solar energy. In this charming island, right across from Neapolis of Laconia, a new modern hotel unit has been built and is powered by the energy of the Sun, thanks to the TiSUN solar systems.
13 September 2013
The largest public solar thermal project in Greece completed with great success. The project was undertaken by "ANDRIANOS" company, after participating in an open international competition. The project was funded by the program EPPERAA (Operational Programme for Environment and Sustainable Development), and specifically from the Priority Axis 1 for the Protection of Atmospheric Environment - Tackling Climate Change - Renewable Energy. The energy inspection of the project was done by Dr . Engineer M.I.T. Mr. Efthimiadis Apostolos in cooperation with the technical department of the Hospital. The final study was conducted by the scientific team of "ANDRIANOS ", headed by the Electrical Engineer, Mr. George Andrianos and the significant contribution of Mechanical Engineer , Mr Othonas Siagkas, on specific issues .
8 November 2012
The picturesque and well organized city of Rethymnon with the strong hotel infrastructure, is an ideal tourist destination for visitors who want to spend relaxing holidays wandering through the narrow streets, enjoying the paths between the historical monuments and natural sites of the area or the beautiful sun at the long sandy beach. In this city of Crete, a large hotel complex proceeded, in cooperation with ANDRIANOS company (a leading nationwide in the field of solar thermal), on the installation of solar thermal systems for hot water use.


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