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Brunner EWP HK Operating Instructions Manual

Extension board heating circuits
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Operating instructions
Extension board
Heating circuits
EWP HK
©2023

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Summary of Contents for Brunner EWP HK

  • Page 1 Operating instructions Extension board Heating circuits EWP HK ©2023...
  • Page 2 EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 3: Table Of Contents

    Mains connection......................20 4.7.4 Hydraulic diagrams and wiring diagrams..............21 Configuration EWP HK.................... 23 Operation basics...................... 24 Licenses............................24 Data protection declaration of Ulrich Brunner GmbH..............25 Display views..........................26 Home view overview........................27 Displays and setting options under Settings................29 6.5.1 Heating circuits......................29 6.5.2...
  • Page 4 Relay test.............................39 Accessories and spare parts...................... 39 Decommissioning and disposal....................40 Technical data......................42 EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 5: About This Document

    Ulrich Brunner GmbH reserves the right to make technical changes insofar as they serve technical progress or are required by safety regulations. Storage of the documents These instructions for Extension board 'Heating circuits' (EWP HK) are kept by the operator of Extension board 'Heating circuits' (EWP HK) after use for future reference. IMPORTANT...

  • Page 6: Presentation Rules

    3. third action step, etc. → Final result. Presentation of the display texts in the instructions The display texts are shown in bold for descriptions of the settings on the BRUNNER touch display. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 7: For Your Safety

    For your safety Dangers and safety measures The assembly, installation, maintenance and servicing of Extension board 'Heating circuits' (EWP HK) may only be carried out by a specialist company. • Only carry out activities that are described in these instructions.

  • Page 8: Warnings

    → Result or safe use Regulations Approval For the installation of Extension board 'Heating circuits' (EWP HK), please observe the technical data of the existing power supply. Notes and requirements for energy systems (§ 16): 1) Energy systems must be installed and operated in such a way that technical safety is guaranteed. Subject to other legal regulations, the generally recognized rules of technology must be observed.
  • Page 9 Operation of electrical installations - DIN VDE 0165, Installation of electrical installations in potentially explo- sive atmospheres - DIN VDE 0701, Repair, modification and testing of electrical equipment. When installing, commissioning and maintaining Extension board 'Heating circuits' (EWP HK), please observe the fol- lowing regulations and guidelines, among others: Legal requirements •...
  • Page 10 - VdS 2569 Surge protection for electronic data processing systems - Guidelines for loss prevention - To prevent damage to devices caused by lightning and overvoltage, reference is made to VdS guidelines 2006, 2017, 2019, 2031, 2192 and 2569 EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 11: Product Description

    Product description Intended use The heating circuit extension board can only be used with the BRUNNER heating center BHZ or EWP Basis. Intended use also includes observing all information on personal and material hazards in these operating in- structions. Also comply with all country-specific standards and safety regulations.
  • Page 12 EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 13: Special Adjustable Functions

    Special adjustable functions Frost protection The Extension board 'Heating circuits' (EWP HK) is equipped with heating circuit frost protection. This has priority over all selected settings. As soon as the specified outside temperature (frost protection) is reached, the inactive circulation pumps of the heating circuits are automatically switched on. If the circulation pumps are already active, this function is omitted.
  • Page 14 You can enter a winter/summer switchover for night, so to speak. Below the limit temperature, the flow temperature is lowered to night mode. The Standard selection ensures that the flow temperature is lowered in night mode. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 15: Assembly

    After unpacking, dispose of the packaging in accordance with the regulations. Dimensions The Extension board 'Heating circuits' (EWP HK) is located inside an enclosure. For this reason, the dimen- sions of the housing are decisive for the installation of the Extension board 'Heating circuits' (EWP HK).

  • Page 16: Installation Without Surface-Mounted Box

    Illustration 1: Enclosure dimensions Installation without surface-mounted box The Extension board 'Heating circuits' (EWP HK) can also be ordered without a surface-mounted box. In this case, the type plate is located on the delivery box. Remove the type plate from the packaging and keep it with the documentation for Extension board 'Heating circuits' (EWP HK).

  • Page 17: Electrical Connections

    4. the cover of the housing is fastened with plastic screws in the positions marked with blue arrows (2). → The Extension board 'Heating circuits' (EWP HK) is now fully assembled. Electrical connections DANGER Mains voltage - electric shock There is a risk of fatal electric shock on contact with the mains voltage.
  • Page 18 The voltage of the power supply must not deviate by more than ± 10% from the nominal op- erating voltage of the supplier. Always insert the electrical connection cables into the circuit board housing from top to bot- tom. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 19: Wiring Diagram

    4.7.1 Wiring diagram © 2023 Brunner GmbH EWP HK operating instructions (2.19)

  • Page 20: Making Connections

    Observe the pin assignment diagram and the labels on the circuit board. 4.7.3 Mains connection Before working on the mains connection, make sure that the power supply is disconnected and that it is marked to prevent unintentional reconnection. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 21: Hydraulic Diagrams And Wiring Diagrams

    The plug for the mains connection is located on the circuit board. 4.7.4 Hydraulic diagrams and wiring diagrams Hydraulic diagrams and the relevant wiring diagrams can be found in the BRUNNER Hydraulic Manual: The BRUNNER Hydraulic Manual is currently in the craftsmen's area at: https://www.brunner.de...
  • Page 22 EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 23: Configuration Ewp Hk

    Configuration EWP HK Before configuring the heating circuit extension board, the BRUNNER central heating unit BHZ or the basic extension board must be configured. Example for the 3rd and 4th heating circuit; analo- gous for any other heating circuits For the configuration level of the EWP heating cir-...

  • Page 24: Operation Basics

    Please include the type of product for which you want to receive the source code in your re- quest. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 25: Data Protection Declaration Of Ulrich Brunner Gmbh

    Ulrich Brunner GmbH Notes on protecting your personal data Ulrich Brunner GmbH always endeavors to save and process only the personal data that are necessary and indispensable or that are required to be stored and processed by law. We strictly adhere to the requirements of the General Data Protection Regulation (GDPR) and the Federal Data Protection Act (BDSG and BDSG new).

  • Page 26: Display Views

    EWP heating circuit no. 1; no. 1, extended home view (heating circuits 3 and 4) If more than one EWP HK is connected (here with EWP HK no. 2 with additional 2 heating circuits), these are displayed in the Home view and are visible in the “extended view”.

  • Page 27: Home View Overview

    Log boiler - heat generator; Button for the customer parameters of the log boiler Heating - Heat consumer; Button for the customer parameters of the heating, incl. programs of the heating circuits © 2023 Brunner GmbH EWP HK operating instructions (2.19)
  • Page 28 = online with mybrunner Button for the home view of the BRUNNER boiler, the entire boiler control system Button for the home view of the heating system; the entire control of the heat consumers and heat gener- ators;...

  • Page 29: Displays And Setting Options Under Settings

    The second page of Settings (accessible by clicking on the vertical arrow) is occupied if an extension board HK is connected. The number of buttons or heating circuits displayed varies depending on the number of extension board heating circuits connected (max. 3 EWP HK or 8 heating circuits): Illustration 5: one connected EWP HK Illustration 6: three connected EWP HK 6.5.1...
  • Page 30 T max VL °C imum setpoint in order to prevent the heating circuit from overheating. This is very important for underfloor heating/wall heating, as an excessively high flow temperature can lead to damage. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 31: Preview Of Heating Curves

    Base outdoor temperature T OT base °C 0-30 Flow temperature design case T FL design °C 20-80 Flow temperature base T FL base °C 0-50 Minimal flow temperature Buffer min HC °C 0-90 © 2023 Brunner GmbH EWP HK operating instructions (2.19)

  • Page 32: Heating Curves And Heating Operation

    A three-way mixing valve with triple-point adjustment is used to mix a certain volume of cold water from the heating circuit return line to its supply line, in order to equalize the current temperature, which is measured by S1 or S2 buffer tank sensors, with the set temperature value. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...
  • Page 33 Convectors 70°C 25°C Entry 17°C 80°C 25°C Wall heating 45°C 25°C Entry 17°C 60°C 20°C Floor 35°C 25°C Entry 17°C 50°C 20°C Constant Entry Entry 17°C VL,Auslegung VL,Auslegung VL,Auslegung +5°C -5°C © 2023 Brunner GmbH EWP HK operating instructions (2.19)
  • Page 34 If the minimal Buffer min HC temperature exceeds the actual temperature measured by S4 (buffer mid) sensor, the heating circuit will be enabled again. The presets for the selected heating systems can be found in a table in section “Heating system selection”. EWP HK operating instructions (2.19) © 2023 Brunner GmbH...
  • Page 35 FL, then the corresponding circulation pumps no. 3 for HC1 (A9), or no. 4 for HC2 (A12) will be disabled. If the maximal flow temperature on S1 or S2 is lower, the corresponding pumps are enabled again. © 2023 Brunner GmbH EWP HK operating instructions (2.19)

  • Page 36: Information And Error Messages

    Information and error messages Based on the highest industry standards, all BRUNNER expansion boards have a detailed safety concept. The controller not only regulates and monitors the current operating status, but also independently and continuously checks the function of all connected sensors, motors and mixers.

  • Page 37: List Of Error Codes

    List of error codes The following is a list of error codes that can appear at Extension board 'Heating circuits' (EWP HK) and are shown on the display: Error text Error text Description Note to the specialist Sensor H 1 -E06 defective or not connected.

  • Page 38: Check Temperature Sensor - Sensor Parameters

    1592 1078 1347 1611 1097 1366 1629 1117 1385 1647 1136 1404 1666 1155 1423 1685 1175 1442 1703 1194 1461 1722 1213 1480 1740 1232 1498 1759 1252 1517 1777 EWP HK operating instructions (2.19) © 2023 Brunner GmbH...

  • Page 39: Cleaning And Maintenance

    - Maintenance and service work - Troubleshooting The Extension board 'Heating circuits' (EWP HK) should be cleaned annually on the outside of the sur- face-mounted box. Wiping off the dust with a cloth is sufficient. Caution ! Too much moisture can damage the device.

  • Page 40: Decommissioning And Disposal

    Disposal may only be carried out by trained and authorized personnel. Observe all local and country-specific safety precautions regarding work on the electronics. To decommission the Extension board 'Heating circuits' (EWP HK), proceed as follows: 1. Disconnect the power supply;...
  • Page 41 Disposal Observe the applicable national legal regulations for disposal. Ulrich Brunner GmbH is listed in the EAR Foundation under WEEE No. DE75509764. © 2023 Brunner GmbH EWP HK operating instructions (2.19)

  • Page 42: Technical Data

    (T) Microfuse for outputs A (T) Protection class Labeling CE MARKING Temperature controller class EWP basic and EWP heating circuits Energy efficiency contribution EWP Basis and EWP heating circuits Stand-by EWP HK operating instructions (2.19) © 2023 Brunner GmbH...
  • Page 43 Technical and range-related changes as well as errors reserved. All images may contain additional functions or special equipment that are subject to a surcharge. Reprint- ing and duplication, including extracts, only with the express permission of the publisher. © Ulrich Brunner GmbH.

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