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Tuxhorn tubra-eTherm Manual

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tubra
-eTherm
®
beginning with version 2.00
Control unit
Manual for the
specialised craftsman
Installation
Operation
Functions and options
Troubleshooting
en
Thank you for buying this product.
Manual
Please read this manual carefully to get the best performance from this unit. Please keep this manual safe.

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Summary of Contents for Tuxhorn tubra-eTherm

  • Page 1 tubra -eTherm ® beginning with version 2.00 Control unit Manual for the specialised craftsman Installation Operation Functions and options Troubleshooting Thank you for buying this product. Manual Please read this manual carefully to get the best performance from this unit. Please keep this manual safe.
  • Page 2 Safety advice Target group Please pay attention to the following safety advice in order to avoid danger and These instructions are exclusively addressed to authorised skilled personnel. damage to people and property. Only qualified electricians are allowed to carry out electrical works. Initial commissioning must be effected by the system installer or qualified personnel named by the system installer.

  • Page 3: Table Of Contents

    tubra -eTherm ® tubra -eTherm is a hydraulic unit with an integrated control unit for storing PV the energy meter. In this way, household current priority is ensured by the system. ® current in the form of thermal energy in order to optimise the self-consumption. The compact hydraulic unit can be connected to DHW stores and buffer stores.

  • Page 4: Tubra ® -Etherm

    tubra -eTherm Technical data measuring unit ® Inputs: 3 current inputs for CT, 3 voltage inputs • Increase in self-consumption of the PV system Outputs: 2 digital S0 impulse outputs • Environmental protection and reduction of heating costs Power supply: 100 … 240 V~ (50 … 60 Hz) •...

  • Page 5: System Overview

    System overview Energy Sensors Relay meter Flow temperature 1 / GND Loading pump R1 / N / PE Controller Return temperature 2 / GND External backup heat- R2 / N / PE ing (optional) Store temperature 3 / GND Power unit (optional) External load (op- R3 / N / PE...

  • Page 6: Installation

    Installation Electrical connection Mounting WARNING! Electric shock! Upon opening the housing, live parts are exposed! WARNING! Electric shock! Î Always disconnect the device from power supply Upon opening the housing, live parts are exposed! before opening the housing! Î Always disconnect the device from power supply before opening the housing! ATTENTION! ESD damage!
  • Page 7 Measuring unit VBus cable to tubra -eTherm ® ® Data communication VBus ® The connection is to be carried out at the terminals marked VBus (either polarity). The bus cable can be extended with a two-wire cable (bell wire). The cable carries low voltage and must not run together in a cable conduit with cables carrying a S0-1 S0-2...
  • Page 8 Three-phase connection Single-phase connection Î Connect the current sensors and the conductors of the measuring unit in Î Connect the current sensor and the conductor L1 of the measuring unit direct- phase directly at the energy meter. The arrow indicated on the current sensors ly at the energy meter.
  • Page 9 Controller 100 ... 240 V 100 ... 240 V 50-60 Hz 50-60 Hz DE-33659 Bielefeld DE-33659 Bielefeld tubra ® -eTherm controller tubra ® -eTherm controller Made in Germany IP 20 Made in Germany IP 20 Sensors Sensors R1-R3|1 (1) A 240 V~ R1-R3|1 (1) A 240 V~ The power supply via the power unit is at the terminals: A1 1...
  • Page 10 Power unit Regler Controller 0-10V T16A 250V~ Netz Mains VBus VBus 1400 W Out1_N Out2_N 800W Out2_L 800 W Out1_L 1400 W F5A 250V~ Out3_L 800W Out3_N 800 W Note: It must be possible to disconnect the device from the mains at any time. Î...

  • Page 11: Microsd Slot Of The Controller

    MicroSD slot of the controller Operation and function of the controller The controller is equipped with a MicroSD card slot. Buttons and adjustment dial With a MicroSD card, the following functions can be carried out: • Store measurement and balance values onto the MicroSD card. After the trans- fer to a computer, the values can be opened and visualised, e.g.

  • Page 12: Selecting Menu Points And Adjusting Values

    4.1.2 Selecting menu points and adjusting values During normal operation of the controller, the display shows the Status menu. If no button is pressed for 1 min, the display illumination switches off. After 3 more minutes, the controller switches to the Status menu. In order to get from the Status menu into the Main menu, press the left button (⟲)! Press any key to reactivate the display illumination.
  • Page 13 Adjusting the timer When the Timer option is activated, a timer is in- dicated in which time frames for the function can be adjusted. In the Day selection channel, the days of the week are available individually and as frequently selected combinations.
  • Page 14 Copying a time frame: Changing a time frame: In order to copy time frames already adjusted into an- In order to change a time frame, proceed as follows: other day / another combination, proceed as follows: Î Choose the day / the combination into which the time frames are to be copied and select Copy from.

  • Page 15: Menu Structure

    Resetting the timer: Menu structure In order to reset time frames adjusted for a certain day Main menu or combination, proceed as follows Status Controller Controller Target temperature Measuring unit Minimum temperature Î Select the desired day or combination. Optional functions Hysteresis Basic settings ∆Ton...

  • Page 16: Commissioning

    Commissioning When the hydraulic system is fi lled and ready for operation, connect the power 1. Language: unit to the mains. Î Adjust the desired menu language. The controller has to be connected to the power unit (already connected) and to the measuring unit by means of the VBus ®...

  • Page 17: Main Menu

    Main menu 7. Flush? Î Activate the fl ushing option, if necessary. The fl ushing option is used for venting the heating el- In this menu, different menu areas can be selected. ement. The following menus are available: If the fl ushing option is activated, the loading pump •...

  • Page 18: Status

    Status 4.5.2 Measured / Balance values In the Status / Meas. / Balance values menu, all current measurement values as In the Status menu of the controller, controller status messages as well as measure- well as a range of balance values are displayed. ment / balance values and messages can be found.

  • Page 19: Messages

    4.5.3 Messages Controller menu In this menu, all adjustments for the hydraulic part of the tubra ® -eTherm can be In the Status / Messages menu, error and warning messages are indicated. made. During normal operation, the message Everything OK is indicated. The target temperature and the maximum return temperature have already been A message consists of a short text about the fault condition.

  • Page 20: Measuring Unit

    prevent overheating of the store. If the temperature at the return sensor reaches the adjusted return maximum tem- perature, loading is blocked for 15 min. The blocking time is indicated in the status menu (countdown). The controller is ready again, if the temperature falls below the maximum return value by 2 K after the blocking time has elapsed.

  • Page 21: Optional Functions

    Optional functions At the end of each optional function submenu, the menu items Function and Save function are available. In order to save a function, select Save function and confi rm the security enquiry by selecting Yes. In functions already saved, the menu item Delete function will appear instead.
  • Page 22 Internal backup heating External backup heating Opt. functions / Add new function / Backup heat.int. Opt. functions / Add new function / Backup heat.ext. Adjustment channel Description Adjustment range / selection Factory setting Adjustment channel Description Adjustment range / selection Factory setting Switch-on temperature 40 °C 20 …...
  • Page 23 S0 Excess S0 Heating Opt. functions / Add new function / S0 Excess Opt. functions / Add new function / S0 Heating Adjustment range / se- Adjustment range / se- Adjustment channel Description Adjustment channel Description Factory setting Factory setting lection lection Duration...
  • Page 24 Smart Remote External load The Smart Remote function is used for remote access to the controller via a This function is used for switching an additional external load (e.g. immersion heat- 4-state signal. er, heat pump), if enough power for its operation is available. Opt.

  • Page 25: Basic Settings

    Inverter Basic settings This function is used for operating the inverter at reduced power, if the excess exceeds a threshold. The operation is specifi ed by a switching signal. Adjustment range / Adjustment channel Description Factory setting selection Power Nominal power of the inverter 0.0 … 99.9 kW 0.0 kW Limitation Threshold limit...

  • Page 26: Microsd Card

    4.10 MicroSD card Î To skip the update, select No. The controller starts normal operation. Note: The controller will only recognise a fi rmware update fi le if it is stored in a folder named ETHERM on the fi rst level of the MicroSD card. ÎCreate a folder named ETHERM on the SD card and extract the SD card downloaded ZIP fi le into this folder.

  • Page 27: Manual Mode

    While the adjustments are being loaded, fi rst Please wait.., then Done will be indicated on the display. Note: To safely remove the MicroSD card, always select the menu item Remove card... before removing the card. The operating mode can be selected for each individual relay, too. The following 4.11 Manual mode options are available: = Relay active at 100 % speed (manual mode)

  • Page 28: User Code

    4.12 User code Troubleshooting If a malfunction occurs, a message will appear on the display of the controller. WARNING! Electric shock! Upon opening the housing, live parts are exposed! Î Always disconnect the device from power supply be- fore opening the housing! The access to some adjustment values can be restricted via a user code (customer).
  • Page 29 Lightwheel ® flashes red. F5 A T16 A Sensor fault. An error code instead of a temperature is shown on the sensor display channel. Short circuit or line break. Disconnected temperature sensors can be checked Power unit with an ohmmeter. Please check if the resistance values correspond with the table.
  • Page 30 The display is permanently off. Lightwheel flashes red / green. ® Press the right button Is the message !VBus Sensor unit indicated in the Status / Messages menu? (✓) Display illuminated? Controller has been in Check the power supply of the controller. Is it error LED of the measuring unit is flashing red? disconnected? standby, everything OK...

  • Page 31: Index

    Index Adjusting the timer ......................13 Technical data ......................... 4 Balance values ........................18 User code ..........................28 Commissioning menu ......................16 Control lamp ........................11 Controller adjustments, loading of .................. 26 Data logging .......................... 26 Electrical connection ......................6 External backup heating, optional function ..............
  • Page 32 Gebr. Tuxhorn GmbH & Co KG Distributed by: Senner Str. 171 D - 33659 Bielefeld Tel.: +49 (0) 521 / 44 80 80 Fax: +49 (0) 521 / 44 80 844 www.tuxhorn.de Gebr.Tuxhorn@Tuxhorn.de © All contents of this document are protected by copyright.

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