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Operating manual
Sunny Scout VISION
Microcontroller-controlled temperature difference controller for solar thermal systems

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Rudolf Biskupič
April 19, 2025

Signalizácia Sunny Scout VISION, signalizuje - chyba obehu žiadny prietok. .Čerpadlo stojí, aj keď je funkčné. Systém je odvzdušnený odborníkom čo to montoval a tlak v systéme cca 2 atm. Kvapalina čerstvo vymenená. Prosím o radu ako systém sprevádzkovať? Ďakujem, S pozdravom R. Biskupič, Piešťany.

Summary of Contents for Sunny Scout VISION

  • Page 1 Operating manual Sunny Scout VISION Microcontroller-controlled temperature difference controller for solar thermal systems...
  • Page 2: Table Of Contents

    Explanation of the Content graphic symbols Application area / device features 1.1 Application area Attention! 1.2 Device features Symbol indicates Safety instructions possible dangers Mounting the device and errors 3.1 Opening the device Attention 230V~ 3.2 Wall mounting voltage! 3.3 Connections Symbol indicates 3.4 Temperature sensor connection risks posed by...
  • Page 3: Application Area / Device Features

    1.1 Application area VISION controllers are high-performance microprocessor-controlled units for controlling the functions of solar thermal systems. The VISION perfectly controls solar power systems equipped with up to two collectors or two storage tanks and can be used for numerous system types. The controllers are designed for use in dry rooms as well as residential, business and commercial applications.
  • Page 4: Mounting The Device

    Mounting the device The controller must only be installed in dry and 3.1 Opening the device non-explosive areas. Mounting the controller on an inflammab- Prior to opening the device, make sure to disconnect the mains voltage and le surface is prohibited ensure that it cannot be switched back on again! The upper part of the housing is locked to the lower part using two latches.
  • Page 5: Connections

    3.4 Temperature sensor connection The VISION devices use PT1000 precision platinum temperature sensors. Depend- ing on the system type and functional scope, 2 to 6 sensors are required. Mounting / wiring the temperature sensors: ■...
  • Page 6: Operating The Device

    4.2 Operating the device The VISION controller is convenient and easy to operate using four operating but- tons. Using the operating buttons, you can: Access display values ■ Perform device settings ■ The graphic display symbols allow you to easily navigate through the operating structure.
  • Page 7: Programming" Menu

    Display Can be Meaning e.g. reset Temperature difference controller for heat 35°C consumer (T6) Anti-freeze protection sensor. 25°C General temperature measuring point (T6) (hidden, if not connected) Operating hours for charging storage tank 1234 h Can be reset to 0 h Energy yield for storage tank 927 kWh Can be reset to 0 kWh...
  • Page 8: Manual Operation" Menu

    5.3 "Manual operation" menu Settings and changes in Automatic operation is switched off during manual operation. The outputs can be this menu must only be manually switched on and off for servicing and testing purposes. carried out by a specialised Once the menu has been exited or after 8 hours, automatic operation is reactivated.
  • Page 9 Display Factory Current Meaning Value range setting setting Line Value 0 = Off 1 = Cooling 2 = Heating Independent controller 3 = Temp. function differ- ence control- System diagram 0 – 4 Energy yield measurement (glycol type selection) Anro Ilexan P Ilexan E, Glythermin Tyfocor L5.5...
  • Page 10: System Diagrams

    System diagrams 6.1 Diagram 0: 1 collector, 1 storage tank 230V connections Mains phase Neutral conductor - mains and outputs Solar circuit pump (switching output 1) No function Independent controller (switching output 3) Sensor connections Collector sensor Lower storage tank No function Collector return Optional: heating or temp.
  • Page 11 6.2 Diagram 1: 1 collector, 2 storage tanks, pump valve Type 1: one collector, two storage tanks with a three-way valve: A2 = Off: ■ The valve must es- tablish the connection between the collector and storage tank 1. Installation notes for type 1 and type 3 with a three-way valve: The specified hydraulic dia-...
  • Page 12 6.3 Diagram 2: 1 collector, 2 storage tanks with 2 pumps Alternative diagram: 230V connections Mains phase Neutral conductor - mains and outputs Solar circuit pump (switching output 1) Pump (switching output 2) Independent controller (switching output 3) Sensor connections Collector sensor Lower storage tank 1 Lower storage tank 2...
  • Page 13 6.2 Diagram 3: 2 collectors, 1 storage tank, pump valve Type 3: two collectors, one storage tank with a three-way valve: The valve must es- ■ tablish the connection between collector 1 and the storage tank. Installation notes for type 1 and type 3 with a three-way valve: The specified hydraulic dia- grams are recommendations.
  • Page 14 6.5 Diagram 4: 2 collectors, 1 storage tank with 2 pumps 230V connections Mains phase Neutral conductor - mains and outputs Solar circuit pump 1 (switching output 1) Solar circuit pump 2 (switching output 2) Independent controller (switching output 3) Sensor connections Collector array 1 Lower storage tank...
  • Page 15: Controller Functions

    Controller functions 7.1 General controller functions The controller compares the temperatures of the various measuring points and optimally charges the storage tank. If the collector temperature exceeds the storage tank temperature, the solar circuit pump is switched on. Monitoring and protection functions ensure safe operation.
  • Page 16: Independent Controller

    7.1.3 Independent controller This function is reserved for output 3 and can be allocated the following functions: Cooling ■ Heating ■ Difference controller ■ Cooling To increase the energy productivity of solar system it may be useful to „by- pass“the solar energy at reaching a certain storage tank temperature or to take it from the storage tank.
  • Page 17 If the difference between the measuring points S5 and S6 exceeds the entered hysteresis, A3 is switched on. "Basic Setup" menu Settings and changes in Display Meaning Value range Factory set- this menu must only be ting carried out by a specialised Line Value technician.
  • Page 18: Tube Collector Or Start Function

    7.1.4 Tube collector or start function If the function is activated a circulation of heat carrying medium through the collector takes place for 30 seconds every 30 minutes. It is necessary to be able to measure a temperature change in the collector when no regulation-conditioned circulation has taken place for a longer time.
  • Page 19: System Protection

    7.2.3 System protection If the collector temperature exceeds the collector protection temperature (see 7.2.2) by 10K, the solar circuit pump is switched off to protect the system compo- nents. If the collector temperature drops below the collector protection temperature, the solar circuit pump is switched on. The function is always activated.
  • Page 20: System Monitoring

    System monitoring If an error occurs, the flashing symbol is generally displayed. 8.1 Sensor monitoring The connected sensors and sensor cables are monitored for interruptions and short-circuits. Errors are indicated by the symbol. You can find the error source by scrolling up or down the Info menu. 8.2 Flow monitoring The controller is programmed to display a message if the flow is interrupted, e.g.
  • Page 21: Troubleshooting

    Troubleshooting System faults are distinguished into two general categories: Faults that are automatically detected by the controller and therefore can be ■ displayed using error messages Faults that the controller cannot detect ■ 9.1 Faults with error messages Error indication in Possible causes Measures the display...
  • Page 22: Faults Without Error Messages

    9.2 Faults without error messages Faults that affect the 230V/A mains power Faults and malfunctions that cannot be displayed as well as possible causes and supply must only be remedied their error source can be identified using the following table. If you cannot rem- by a specialist! edy the fault using the description below, contact the supplier or installer.
  • Page 23: Specifications

    10 Specifications Housing Subject to change in 100% recyclable ABS housing for wall mount- accordance with techni- Material cal advances! Dimensions L x W x D in mm, 175 x 134 x 56; approx. 360 g weight IP20 according to DIN 40050, IEC 529, VDE Protection class 0470, EN 60529 Electrical specifications...
  • Page 24: Warranty Conditions

    12 Warranty conditions The VISION are carefully produced and tested on an automatic testing station. If any failures occur, first check if there are any operation / setting or system errors. Furthermore, check the pump and temperature sensor connections. PROZEDA GmbH provides a 2-year warranty starting at the date of purchase and according to the following conditions.

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