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Taconova TACOTHERM FRESH PETA 2 Operating Instructions Manual

Fresh hot water station
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TACOTHERM FRESH PETA 2 / PETA 2 X
FRESH HOT WATER STATION
OPERATING INSTRUCTIONS
CONTACT AND ADDITIONAL INFORMATION
Taconova Group AG
| Neubrunnenstrasse 40 | 8050 Zürich | T +41 44 735 55 55 | F +41 44 735 55 02 | group@taconova.com
WWW.TACONOVA.COM

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  • Page 1 TACOTHERM FRESH PETA 2 / PETA 2 X FRESH HOT WATER STATION OPERATING INSTRUCTIONS CONTACT AND ADDITIONAL INFORMATION WWW.TACONOVA.COM Taconova Group AG | Neubrunnenstrasse 40 | 8050 Zürich | T +41 44 735 55 55 | F +41 44 735 55 02 | group@taconova.com...
  • Page 2 Translation of the original operating instructions 212425, 2, en_GB Taconova GmbH Rudolf-Diesel-Strasse 8 78224 Singen Germany Telephone: +49 7731 98 28 80 Fax: +49 7731 98 28 88 Email: deutschland@taconova.com © Taconova Group AG 2020 Operating instructions V02.2020 11/2020 Item no. 215747 EA no. 1329...
  • Page 3 TACOTHERM FRESH PETA 2 / PETA 2 X Information on the operating instruc- These instructions ensure safe and efficient use of the fresh hot water station. These instructions are a component of the product and tions must be kept in the immediate vicinity of the fresh hot water station, where they are readily accessible for personnel.

  • Page 4: Table Of Contents

    TACOTHERM FRESH PETA 2 / PETA 2 X Table of contents Table of contents Overview..................7 1.1 Fresh water station............... 7 1.2 Other applicable documents..........8 Safety....................9 2.1 Symbols in these instructions..........9 2.2 Proper use................11 2.3 Safety equipment..............12 2.3.1 Safety equipment installed..........
  • Page 5 Table of contents TACOTHERM FRESH PETA 2 / PETA 2 X 3.3.4 Controller................28 3.3.5 Options................28 3.3.5.1 Cascading..............28 3.3.5.2 Integrated circulation........... 28 3.3.5.3 Two-zone stratifier............29 Transport and storage..............30 4.1 Safety during transport............30 4.2 Transporting the fresh water station......... 30 4.3 Unpacking the fresh water station........
  • Page 6 TACOTHERM FRESH PETA 2 / PETA 2 X Table of contents 9.3.2 Replacing the pump............50 9.3.3 Replacing the backflow preventer........51 9.3.4 Replacing the temperature sensor......... 52 9.3.5 Replacing the flow rate sensor........53 Spare parts................... 55 10.1 Ordering spare parts............55 10.2 Spare parts list..............

  • Page 7: Overview

    Overview TACOTHERM FRESH PETA 2 / PETA 2 X Overview Fresh water station Fig. 1: Fresh hot water station Connection for drinking water distribution (hot) ( Ä page 23 ) Ä page 23 ) Primary connection for the heat supply flow line ( Connection for main supply line for drinking water ( Ä...

  • Page 8: Other Applicable Documents

    TACOTHERM FRESH PETA 2 / PETA 2 X Overview Tab. 1: Options Option Function Additional information Ä Chapter 3.3.5.2 ‘Integrated Integrated circulation The integrated circulation guarantees hot water is immediately available at the taps. circulation’ on page 28 Ä Chapter 3.3.5.3 ‘Two-zone...

  • Page 9: Safety

    Safety TACOTHERM FRESH PETA 2 / PETA 2 X Safety Symbols in these instructions Safety warnings are indicated by symbols in these instructions. The Categories and symbols for the safety safety warnings are introduced by signal words that indicate the warnings extent of the danger.
  • Page 10 TACOTHERM FRESH PETA 2 / PETA 2 X Safety Tighten the screw. To draw attention to special dangers, the following symbols are used Special safety warnings in safety warnings: Warning signs Type of danger Warning – high-voltage. Warning – hot surface.

  • Page 11: Proper Use

    Safety TACOTHERM FRESH PETA 2 / PETA 2 X Proper use The Peta2 TacoTherm Fresh hot water station is specifically designed for use for heating drinking water using the continuous flow principle. It is designed for use in self-contained heating sys- tems and drinking water systems.

  • Page 12: Safety Equipment

    TACOTHERM FRESH PETA 2 / PETA 2 X Safety Safety equipment 2.3.1 Safety equipment installed 2.3.1.1 Main shut off valve Ball valves The ball valves (Fig. 2) are used to shut off the primary heat circuit. Shut the ball valve in the event of a fault. The ball valve is shut off once the handle is horizontal.

  • Page 13: Backflow Preventer

    Safety TACOTHERM FRESH PETA 2 / PETA 2 X 2.3.1.3 Backflow preventer Ä on page 13 ) is installed in the screw con- The backflow preventer ( nection for the pump. It prevents incorrect circulation and is inte- grated into the pump connections as an insert.

  • Page 14: Electric Current

    TACOTHERM FRESH PETA 2 / PETA 2 X Safety 2.4.1 Electric current Electric power DANGER! Danger to life due to electric power! There is an immediate risk of fatal electric shock if live components are touched. Damage to the insula- tion of the individual components can be fatal.

  • Page 15: High Temperatures

    Safety TACOTHERM FRESH PETA 2 / PETA 2 X Stability (weight) CAUTION! Danger of injury due to station falling! If the station is not bolted to the wall, the station may fall down and cause bruises to parts of the body or damage to property.

  • Page 16: Chemical Dangers

    TACOTHERM FRESH PETA 2 / PETA 2 X Safety 2.4.4 Chemical dangers Pitting corrosion NOTICE! Damage to metallic pipes and components due to pitting corrosion! The water quality has an effect on the corrosion properties of the metallic materials installed.

  • Page 17: Danger Of Property Damage

    Safety TACOTHERM FRESH PETA 2 / PETA 2 X 2.4.6 Danger of property damage Water damage due to leaks NOTICE! Water damage due to leaking pipes! Leaking pipes can result in water damage due to constant dripping. – Inspect pipes and bolted connections in accord- ance with the maintenance plan every year.
  • Page 18 TACOTHERM FRESH PETA 2 / PETA 2 X Safety The following applies in particular: The operator must be informed about the applicable occupational safety regulations and must identify additional dangers resulting from the specific working conditions at the site at which the fresh hot water station is used in a hazard assessment.

  • Page 19: Personnel Requirements

    Safety TACOTHERM FRESH PETA 2 / PETA 2 X Personnel requirements WARNING! Danger of injury due to insufficient personnel quali- fication! If unqualified personnel perform work on the unit or are standing in the danger area of the unit, this will result in dangers that can cause injury and property damage.

  • Page 20: Personal Protective Equipment

    TACOTHERM FRESH PETA 2 / PETA 2 X Safety Operator The operator is the person who operates the unit or allows a third party to use/employ the system and who assumes the legal product liability for protecting the user or third parties during operation.

  • Page 21: Environmental Protection

    Safety TACOTHERM FRESH PETA 2 / PETA 2 X The personal protective equipment is explained in the following: Description of the personal protective equipment Protective gloves The heat-resistant gloves are used for protection from hot lines and from crush injuries.
  • Page 22 Ä Chapter 10 ‘ Spare parts’ on page 55 ) can be sourced Spare parts ( by means of the Taconova Customer Service (for contact data, see p. 3). Only perform the corresponding activity when all spare parts required are available.

  • Page 23: Functional Description

    Functional description TACOTHERM FRESH PETA 2 / PETA 2 X Functional description Circuits and connection points in the fresh water station Arrows Direction of flow (green) Secondary cold water circuit (blue) Cold water heater return line (red) Hot water Connection for drinking water distribution (hot)

  • Page 24: Components Of The Fresh Water Station

    TACOTHERM FRESH PETA 2 / PETA 2 X Functional description Components of the fresh water station Position of the components Fig. 7: Position of the components and options Ä page 25 ) Ä page 28 ) Sensor supports ( Controller ( Ä...

  • Page 25: Heating Circuit

    Functional description TACOTHERM FRESH PETA 2 / PETA 2 X 3.3.1 Heating circuit 3.3.1.1 Circulation pump The circulation pump (Fig. 8) pumps the hot water out of the buffer tank and into the station. Information on operating the circulation pump can be found in the Ä...

  • Page 26: Air Bleed Valve

    TACOTHERM FRESH PETA 2 / PETA 2 X Functional description 3.3.1.4 Air bleed valve The air bleed valve (Fig. 11) is used for bleeding and ventilation when filling or draining the station and the pipe networks connected. Fig. 11: Air bleed valve for hot water 3.3.1.5...

  • Page 27: Flow Rate Sensor

    Functional description TACOTHERM FRESH PETA 2 / PETA 2 X 3.3.2.2 Flow rate sensor The flow rate sensor (Fig. 14) measures the flow rate, ensuring a con- stant flow rate can be set for the tap, regardless of the pressure.

  • Page 28: Controller

    TACOTHERM FRESH PETA 2 / PETA 2 X Functional description 3.3.4 Controller The controller regulates the temperature of the hot water. The controller must be set in accordance with the separate instruc- tions upon commissioning. The documentation for the controller can be found in the Download Center (www.taconova.com).

  • Page 29: Two-Zone Stratifier

    Functional description TACOTHERM FRESH PETA 2 / PETA 2 X 3.3.5.3 Two-zone stratifier The two-zone stratifier is comprised of a switch valve (Fig. 20/1), a drive motor (Fig. 20/2) and a return line sensor, which is affixed to the heat supply return line, as well as a tank sensor, which needs to be affixed on the buffer tank during installation.

  • Page 30: Transport And Storage

    TACOTHERM FRESH PETA 2 / PETA 2 X Transport and storage Transport and storage Safety during transport Danger due to heavy packages CAUTION! Danger of crushing due to falling loads! There is a danger of parts of the body being crushed if the fresh water station falls down.

  • Page 31: Unpacking The Fresh Water Station

    Transport and storage TACOTHERM FRESH PETA 2 / PETA 2 X Transporting the fresh hot water sta- Personnel: Heating and sanitary technician tion Protective equipment: Protective gloves Safety shoes Transport the package to the installation location. Unpacking the fresh water station...

  • Page 32: Assembly And Installation

    TACOTHERM FRESH PETA 2 / PETA 2 X Assembly and installation Assembly and installation Installation on brickwork Falling fresh water station CAUTION! Danger of injury due to a falling fresh water station If the load bearing capacity of the installation loca-...
  • Page 33 Assembly and installation TACOTHERM FRESH PETA 2 / PETA 2 X Personnel: Heating and sanitary technician Protective equipment: Protective goggles Tool: Spirit level Material: Means of bolting The fresh hot water station must be lifted to the installation location by two persons.

  • Page 34: Prerequisites For Installation

    TACOTHERM FRESH PETA 2 / PETA 2 X Assembly and installation Fitting the cover Put the cover on. Prerequisites for installation The following items must be checked and ensured before connecting the fresh water station: The water quality has been tested and suitable measures were taken as necessary.

  • Page 35: Connecting Pipes

    Assembly and installation TACOTHERM FRESH PETA 2 / PETA 2 X Connecting the domestic hot water module provisionally If the lines are not ready, the domestic hot water module can be filled using provisional lines by means of the fill and drain cocks (Ä Chapter 7.1 ‘Filling the fresh water station and checking for leak-tightness’...

  • Page 36: Connecting The Pressure Relief Line To The Safety Valve

    TACOTHERM FRESH PETA 2 / PETA 2 X Assembly and installation Connection for main supply line for drinking water Connection for drinking water dis- tribution (hot) Tank integration, middle (optional) Safety valve connection Seal all connections in the ball valve. Check the bolted connec-...

  • Page 37: Connecting The Fresh Water Station To The Power Supply

    Assembly and installation TACOTHERM FRESH PETA 2 / PETA 2 X 5.4.2 Connecting the fresh water station to the power supply DANGER! Danger due to electric current! When working with power cables, there is an imme- diate danger of severe, or even fatal, injury due to electric current.

  • Page 38: Shutting Down In An Emergency

    TACOTHERM FRESH PETA 2 / PETA 2 X Shutting down in an emergency Shutting down in an emergency Personnel: Operator Heating and sanitary technician In the event of an emergency, proceed as follows: Close all main shut off valves (Fig. 25) on the fresh hot water station.

  • Page 39: Commissioning

    Commissioning TACOTHERM FRESH PETA 2 / PETA 2 X Commissioning Filling the fresh water station and checking for leak-tightness Danger of scalding WARNING! Danger of scalding when tank temperatures exceed 60 °C! When tank temperatures exceed 60 °C, there is a danger of scalding on the lines in the unit.
  • Page 40 TACOTHERM FRESH PETA 2 / PETA 2 X Commissioning Personnel: Heating and sanitary technician Prerequisites: The fresh hot water station was installed and connected in Ä Chapter 5 ‘Assembly and installation’ accordance with on page 32 . The water quality has been tested and was found to be good.
  • Page 41 Commissioning TACOTHERM FRESH PETA 2 / PETA 2 X Filling the primary circuit WARNING! Risk of burns due to hot pipes! Slowly open the primary connection for the heat supply flow line (Fig. 27/1a or 1b). ð The primary circuit fills up.

  • Page 42: Handing Over The Fresh Water Station To The Operator

    TACOTHERM FRESH PETA 2 / PETA 2 X Commissioning Handing over the fresh water station to the operator Personnel: Operator Heating and sanitary technician Material: Operating instructions for the fresh hot water station These operating instructions for the fresh hot water...

  • Page 43: Cleaning And Maintenance

    Cleaning and maintenance TACOTHERM FRESH PETA 2 / PETA 2 X Cleaning and maintenance Safety during maintenance Securing against a restart WARNING! Danger to life due to unauthorised restart! An unauthorised restart of the power supply during maintenance presents a danger of severe injuries or even death for persons in the danger zone.

  • Page 44: Overview Of Maintenance Work

    If you have any questions about maintenance work and inter- vals, contact the Taconova Customer Service (for contact data, see p. Operating instructions V02.2020 11/2020 Item no. 215747 EA no. 1329...

  • Page 45: Maintenance Work

    Cleaning and maintenance TACOTHERM FRESH PETA 2 / PETA 2 X Interval Maintenance work Personnel Ä Chapter 8.3.1 ‘Cleaning the Every year Clean the fresh hot water station ( Operator fresh water station’ on page 45 ). Check the piping and bolted connections in the fresh hot water Operator station for leak-tightness.

  • Page 46: Replacing A Bolted Connection Or Pipe

    TACOTHERM FRESH PETA 2 / PETA 2 X Cleaning and maintenance 8.3.2 Replacing a bolted connection or pipe Personnel: Heating and sanitary technician Protective equipment: Protective gloves Tool: Adjustable spanner Material: Spare parts Cloth Prerequisites: Leaks have been found. Replacement material is available ( Ä...

  • Page 47: Faults

    Faults TACOTHERM FRESH PETA 2 / PETA 2 X Faults Safety when repairing faults Improperly performed work when repairing faults WARNING! Danger of injury due to improperly performed fault repair! Improperly performed work when repairing faults can result in severe injury and significant property damage.

  • Page 48: Fault Repair

    TACOTHERM FRESH PETA 2 / PETA 2 X Faults Fault repair Fault descrip- Cause Remedy Personnel tion No hot water at Ball valves are Open the ball valves. Operator the taps. closed. Check the buffer tank tem- The primary energy...

  • Page 49: Fault Repair Work

    Faults TACOTHERM FRESH PETA 2 / PETA 2 X Fault descrip- Cause Remedy Personnel tion Check the water quality. Black water at Heat exchanger Heating and the taps. defective. sanitary technician Insufficient Calcination of the Clean the aerator at the...

  • Page 50: Replacing The Pump

    TACOTHERM FRESH PETA 2 / PETA 2 X Faults To release the heat exchanger, use an adjustable spanner to release the 4 bolted connections (Fig. 30/1). The red marking on the heat exchanger indi- cates how the heat exchanger should be posi- tioned.

  • Page 51: Replacing The Backflow Preventer

    Faults TACOTHERM FRESH PETA 2 / PETA 2 X Ensure that O-ring seals are available. Tighten the bolted connections using an adjustable spanner. Set the pump in accordance with the controller instructions for Ä Chapter 1.2 ‘Other applicable documents’ the station ( on page 8 ).

  • Page 52: Replacing The Temperature Sensor

    TACOTHERM FRESH PETA 2 / PETA 2 X Faults 9.3.4 Replacing the temperature sensor Personnel: Heating and sanitary technician Shut down the fresh hot water station for a short period Ä Chapter 4.4 ‘Storing the fresh water station’ on page 31 ).

  • Page 53: Replacing The Flow Rate Sensor

    Faults TACOTHERM FRESH PETA 2 / PETA 2 X 9.3.5 Replacing the flow rate sensor Personnel: Heating and sanitary technician Protective equipment: Protective gloves Tool: Adjustable spanner Material: Spare parts Cloth Fig. 34: Replacing the flow rate sensor Observe the flow chart (Ä Chapter 3.1 ‘Circuits and connection points in the fresh water sta- tion’...
  • Page 54 TACOTHERM FRESH PETA 2 / PETA 2 X Faults Install a new flow rate sensor (Fig. 35). Ensure that O-ring seals are available. Tighten the new flow rate sensor using an adjustable spanner. Tighten the primary hot water return line using an adjustable spanner.

  • Page 55: Spare Parts

    Spare parts TACOTHERM FRESH PETA 2 / PETA 2 X Spare parts 10.1 Ordering spare parts Please specify the following when ordering spare parts: Unit number (indicated on the type plate) Year of manufacture (indicated on the type plate) Designation of the spare part...

  • Page 56: Decommissioning

    TACOTHERM FRESH PETA 2 / PETA 2 X Decommissioning Decommissioning 11.1 Shutting down the fresh water station for a short period (<24 h) Shutdown for a short period is suitable for per- forming maintenance work on the fresh hot water station.

  • Page 57: Draining The Fresh Water Station

    Decommissioning TACOTHERM FRESH PETA 2 / PETA 2 X Personnel: Operator Close all main shut off valves (Fig. 37) on the fresh water sta- tion. ð The flow and return lines are blocked. Switch off the fuse for the fresh water station or disconnect the power plug.
  • Page 58 TACOTHERM FRESH PETA 2 / PETA 2 X Decommissioning Draining the fresh hot water station on Personnel: Heating and sanitary technician the secondary side To drain the fresh hot water station and the drinking water lines, open the closest tap.

  • Page 59: Restarting

    Restarting TACOTHERM FRESH PETA 2 / PETA 2 X Restarting Proliferation of legionellae WARNING! Proliferation of legionellae due to stagnant water! If the unit is not used for an extended period, there is a risk of the proliferation of legionellae due to stag- nant water.

  • Page 60: Disassembly, Disposal

    TACOTHERM FRESH PETA 2 / PETA 2 X Disassembly, disposal Disassembly, disposal 13.1 Safety during disassembly and disposal Improper disassembly WARNING! Risk of injury in the event of improper disassembly! Any residual energy still present, sharp-edged com- ponents, sharp angles and corners on or in the sta- tion, or on the tools required, can cause injuries.

  • Page 61: Disposing Of The Fresh Water Station

    Disassembly, disposal TACOTHERM FRESH PETA 2 / PETA 2 X 13.3 Disposing of the fresh water station ENVIRONMENT! Danger to the environment due to incorrect dis- posal! Incorrect disposal can cause a hazard for the envi- ronment. – Have electrical scrap, electronic components, lubricants and other resources disposed of by a certified specialist company.

  • Page 62: Technical Data

    TACOTHERM FRESH PETA 2 / PETA 2 X Technical data Technical data 14.1 Design and operating data Observe the supplementary design and operating data in the data sheet (Ä Chapter 1.2 ‘Other appli- cable documents’ on page 8). Power values...

  • Page 63: Installation Dimensions And Weights

    Technical data TACOTHERM FRESH PETA 2 / PETA 2 X 14.3 Installation dimensions and weights Data Value Unit Maximum weight without installation 46 kg frame Width 550 mm Depth 259 mm Height 873 mm 14.4 Connections Specification Value Ball valves on heating side 1 1/4"...

  • Page 64: Index

    TACOTHERM FRESH PETA 2 / PETA 2 X Index Index Decommissioning ......56 Design data ......62 Air bleed valve .
  • Page 65 Index TACOTHERM FRESH PETA 2 / PETA 2 X Integrated circulation ..... . 28 Replacing the circulation pump ....50 Requirements of the installation location .
  • Page 66 TACOTHERM FRESH PETA 2 / PETA 2 X Index Storing ....... . . 31 Unauthorised persons .

  • Page 67: Appendix

    Appendix TACOTHERM FRESH PETA 2 / PETA 2 X Appendix V02.2020 11/2020 Item no. 215747 EA no. 1329 Operating instructions...
  • Page 68 TACOTHERM FRESH PETA 2 / PETA 2 X Appendix Contents of annex Commissioning report ..............69 Hydraulic diagrams ..............70 Declaration of conformity ............73 Operating instructions V02.2020 11/2020 Item no. 215747 EA no. 1329...

  • Page 69: A Commissioning Report

    Commissioning report TACOTHERM FRESH PETA 2 / PETA 2 X Commissioning report Fill in the table below before handover to the oper- ator: Parameter Value Primary supply flow line temperature Primary supply return line temperature Set drinking water temperature at the station...

  • Page 70: B Hydraulic Diagrams

    TACOTHERM FRESH PETA 2 / PETA 2 X Hydraulic diagrams Hydraulic diagrams Operating instructions V02.2020 11/2020 Item no. 215747 EA no. 1329...
  • Page 71 Hydraulic diagrams TACOTHERM FRESH PETA 2 / PETA 2 X V02.2020 11/2020 Item no. 215747 EA no. 1329 Operating instructions...
  • Page 72 TACOTHERM FRESH PETA 2 / PETA 2 X Hydraulic diagrams Operating instructions V02.2020 11/2020 Item no. 215747 EA no. 1329...

  • Page 73: C Declaration Of Conformity

    Declaration of conformity TACOTHERM FRESH PETA 2 / PETA 2 X Declaration of conformity V02.2020 11/2020 Item no. 215747 EA no. 1329 Operating instructions...
  • Page 74 KONFORMITÄTSERKLÄRUNG DECLARATION OF CONFORMITY DECLARATION DE CONFORMITE Taconova Group AG Nous (Name des Anbieters) (supplier's name) (nom du fournisseur) __________________________________________________________________________ erklären in alleiniger Verantwortung, dass das Produkt declare under our sole responsibility that the product declarons sous notre seule responsabilite que le produit...
  • Page 75 KONFORMITÄTSERKLÄRUNG DICHIARAZIONE DI CONFORMITÁ DECLARACIÓN DE CONFORMIDAD Taconova Group AG Nosotros (Name des Anbieters) (nome del fornitore) (Nombre del proveedor) __________________________________________________________________________ erklären in alleiniger Verantwortung, dass das Produkt dichiariamo con esclusiva responsabilità che il prodotto declaramos bajo nuestra única responsabilidad, que el producto...
  • Page 76 KONFORMITÄTSERKLÄRUNG PROHLÁŠENÍ O SHODĚ DEKLARACJA ZGODNOŚCI Taconova Group AG (Name des Anbieters) (Jméno dodavatele) (nazwa oferenta) __________________________________________________________________________ erklären in alleiniger Verantwortung, dass das Produkt prohlašujeme na svou vlastní zodpovědnost, že výrobek deklarujemy na własną odpowiedzialność, że produkt TacoTherm Fresh Peta2 C/CL/XCL...

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