Operating instructions ecoTEC pure VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE) DE Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810 email@example.com www.vaillant.de Contents Contents 1 1.1 1.2 1.3 2 2.1 2.2 2.3 3 3.1 3.2 3.3 3.4 3.5 3.6 4 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 2 6 6.1 Safety ............................................ 3 6.2 Action-related warnings ................. 3 6.3 Intended use .................................. 3 General safety information............. 4 6.4 Notes on the documentation ...... 7 7 Observing other applicable documents ..................................... 7 7.1 Storing documents......................... 7 Validity of the instructions .............. 7 7.2 Product description..................... 7 Product design............................... 7 8 Control elements............................ 7 9 Description of the display............... 8 Information on the identification plate ............................................... 8 Serial number ................................ 9 CE label ......................................... 9 Function........................................ 9 Operating concept ......................... 9 Opening the isolator devices ....... 10 Switching on the product ............. 10 Setting the heating flow temperature ................................. 11 Setting the hot water temperature ................................. 11 Switching off the product's functions ...................................... 12 Guaranteeing the correct filling pressure in the heating circuit...... 12 Switching the product to standby mode .............................. 13 Protecting the heating installation against frost ............... 14 Troubleshooting ........................ 14 Detecting and rectifying faults...... 14 Displaying the status codes ......... 14 Care and maintenance .............. 14 Maintenance ................................ 14 Caring for the product .................. 14 Reading maintenance messages .................................... 15 Checking the condensate drain pipework and tundish................... 15 Decommissioning...................... 15 Temporarily decommissioning the product................................... 15 Permanently decommissioning the product................................... 15 Recycling and disposal............. 15 Guarantee and customer service ........................................ 16 9.1 Guarantee.................................... 16 9.2 Customer service......................... 16 Appendix ............................................... 17 A Operator level – overview ......... 17 B Status codes – Overview........... 17 C Troubleshooting and fault elimination.................................. 18 C.1 Troubleshooting ........................... 18 C.2 Rectifying faults ........................... 18 Operating instructions ecoTEC pure 0020258017_00 Safety 1 1 Safety 1.1 Action-related warnings Classification of action-related warnings The action-related warnings are classified in accordance with the severity of the possible danger using the following warning signs and signal words: Warning symbols and signal words Danger! Imminent danger to life or risk of severe personal injury Danger! Risk of death from electric shock Warning. Risk of minor personal injury Caution. Risk of material or environmental damage 1.2 Intended use There is a risk of injury or death to the user or others, or of damage to the product and other property in the event of improper use or use for which it is not intended. The product is intended as a heat generator for closed heat- ing installations and for hot water generation. Intended use includes the following: – observance of the operating instructions included for the product and any other system components – compliance with all inspection and maintenance conditions listed in the instructions. This product can be used by children aged from 8 years and above and persons with reduced physical, sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the product in a safe way and understand the hazards involved. Children must not play with the product. Cleaning and user maintenance work must not be carried out by children unless they are supervised. Any other use that is not specified in these instructions, or use beyond that specified in this document shall be considered improper use. Any direct commercial or industrial use is also deemed to be improper. Caution. Improper use of any kind is prohibited. 0020258017_00 ecoTEC pure Operating instructions 3 1 Safety 1.3 General safety information 1.3.1 Danger caused by improper operation Improper operation may present a danger to you and others, and cause material damage. ▶ Carefully read the enclosed instructions and all other applicable documents, particularly the "Safety" section and the warnings. ▶ Only carry out the activities for which instructions are provided in these operating instructions. ▶ If possible, close the gas isolator cock on the product. ▶ Warn other occupants in the building by yelling or banging on doors or walls. ▶ Leave the building immediately and ensure that others do not enter the building. ▶ Alert the police and fire brigade as soon as you are outside the building. ▶ Use a telephone outside the building to inform the emergency service department of the gas supply company. 1.3.3 Risk of death due to a blocked or leaking flue gas pipe What to do if you smell flue gas in the property: ▶ Open all accessible doors and windows fully to provide ventilation. ▶ Switch off the product. ▶ Inform a competent person. 1.3.2 Risk of death from escaping gas What to do if you smell gas in the building: ▶ Avoid rooms that smell of gas. ▶ If possible, open doors and windows fully and ensure adequate ventilation. ▶ Do not use naked flames (e.g. 1.3.4 Risk of death due to explosive and flammable lighters, matches). materials ▶ Do not smoke. ▶ Do not use any electrical ▶ Do not use the product in switches, mains plugs, doorstorage rooms that contain bells, telephones or other explosive or flammable subcommunication systems in stances (such as petrol, pathe building. per or paint). ▶ Close the emergency control valve or the main isolator. 4 Operating instructions ecoTEC pure 0020258017_00 Safety 1 1.3.5 Risk of death due to changes to the product or the product environment ▶ Never remove, bridge or block the safety devices. ▶ Do not tamper with any of the safety devices. ▶ Do not damage or remove any seals on components. ▶ Do not make any changes: – The product itself – to the gas, air, water and electricity supplies – to the entire flue gas installation – to the entire condensate drain system – to the expansion relief valve – to the drain pipework – to constructional conditions that may affect the operational reliability of the product 1.3.7 Risk of corrosion damage due to unsuitable combustion and room air Sprays, solvents, chlorinated cleaning agents, paint, adhesives, ammonia compounds, dust or similar substances may lead to corrosion on the product and in the air/flue pipe. ▶ Ensure that the supply of combustion air is always free of fluorine, chlorine, sulphur, dust, etc. ▶ Ensure that no chemical substances are stored at the installation site. 1.3.8 Risk of material damage caused by frost ▶ Ensure that the heating installation always remains in operation during freezing conditions and that all rooms are sufficiently heated. 1.3.6 Risk of poisoning ▶ If you cannot ensure the opcaused by insufficient eration, have a competent supply of combustion air person drain the heating installation. Conditions: Open-flued operation ▶ Ensure that there is a sufficient supply of combustion air. 0020258017_00 ecoTEC pure Operating instructions 5 1 Safety 1.3.9 Risk of injury and material damage due to maintenance and repairs carried out incorrectly or not carried out at all ▶ Never attempt to carry out maintenance work or repairs on your product yourself. ▶ Faults and damage should be immediately rectified by a competent person. ▶ Adhere to the maintenance intervals specified. 6 Operating instructions ecoTEC pure 0020258017_00 Notes on the documentation 2 2 Notes on the documentation 2.1 ▶ 3.1 Product design Observing other applicable documents You must observe all operating instructions enclosed with the system components. 2.2 ▶ 3 Product description Storing documents Keep this manual and all other applicable documents safe for future use. 2.3 Validity of the instructions These instructions apply only to: Product article number ecoTEC pure VC 146/72 (E-DE) VCW 206/72 (E-DE) 0010023439 1 0010023440 2 3 1 2 3.2 Product Control elements 3 Plate with serial number on the rear Control elements 1 2 7 1 2 3 4 5 0020258017_00 ecoTEC pure Operating instructions 6 3 5 4 Display On/off button and reset button Right selection button button button 6 7 Left selection button Access to the menu for additional information/installer level 7 3 Product description 3.3 Description of the display Symbol / Meaning / – Appears instead of the basic display. Status code 1 3 S.XX 2 1 2 Operating information Operating mode, selecting and confirming the operating mode Symbol 3 Display showing the current heating flow temperature, the filling pressure in the heating installation, the operating mode or a fault code 3.4 Burner operating correctly – Burner on Heating installation filling pressure – Permanently on: Filling pressure in the permitted range – Flashing: Filling pressure outside the permitted range, purging function activated DHW mode – Permanently on: Hot water activated – Flashing: Burner on in draw-off mode Heating mode – Permanently on: Heating mode activated – Flashing: Burner on in heating mode Maintenance required Information on maintenance messages in the event of faults Setting to be confirmed Navigating through various menus 8 – Heating mode is switched off (summer mode) – Hot water handling mode is switched off (product with integrated hot water generation/product with connected domestic hot water cylinder) – Appears when the product goes into standby mode. OFF Meaning Fault in the product Information on the identification plate The identification plate is mounted on the underside of the product in the factory. The identification plate keeps record of the country in which the product is to be installed. Information on the data plate Meaning Condensing technology Efficiency class of the boiler in accordance with EC Directive 92/42/EEC For quality control purposes; 3rd and 4th digits = year of production For quality control purposes; 5th and 6th digits = week of production For identification purposes; 7th to 16th digits = product article number For quality control purposes; 17th to 20th digits = place of manufacture Product designation Approved gas category Permissible flue gas connections Serial number ... ecoTEC ... Cat. Type: Xx3(x) Operating instructions ecoTEC pure 0020258017_00 Function 4 Information on the data plate Meaning 2H / 2E / 3P / 2K... Gas group and gas connection pressure as set at the factory Max. flow temperature Maximum water pressure in heating mode NOx class for the product Electric connection Tmax PMS NOx V Hz W IP Code (DSN) Qn Pn Pnc Qnw Pnw D PMW Max. electrical power consumption Protection class Specific product code Heating mode Nominal heating load range in heating mode Nominal heat output range in heating mode Nominal heat output range in heating mode (condensing technology) Hot water generation Nominal heating load range in domestic hot water mode Nominal heat output range in domestic hot water mode Specific flow rate Maximum water pressure in domestic hot water mode Barcode with serial number 3.5 Serial number The serial number can be found on the rear of a plastic plate at the bottom of the front casing and on the identification plate. 3.6 CE label The CE label shows that the products comply with the basic requirements of the applicable directives as stated on the identification plate. The declaration of conformity can be viewed at the manufacturer's site. 4 Function 4.1 Operating concept The display switches on when you switch on the product or press a button. You can now configure settings by pressing the buttons again. When you switch the product off using the on/off button, the display goes out (the frost protection function is active for as long as power is supplied). Button Note Make absolutely sure that the product is compatible with the gas group at the installation site. 0020258017_00 ecoTEC pure Operating instructions Meaning – Setting the hot water temperature – Cancelling the change to a set value or activating an operating mode – Calling up a higher selection level in the menu – Setting the heating flow temperature, filling pressure of the heating system or activating the heating mode – Confirming a set value or activating an operating mode – Calling up a lower selection level in the menu – Read the system pressure (press twice) 9 4 Function Button + or – A room thermostat is connected to the product or not – A domestic hot water cylinder with temperature sensor is connected to the product or not Meaning – Calling up the additional functions – Navigating between individual menu items – Increasing or decreasing the chosen set value – On/off button (press and hold the button for < 3 s) – Reset button (press and hold the button for > 3 s) 4.1.2 Operating levels The product has two operating levels: Both selection buttons have a soft key function, i.e. their function can change. If, for example, you press the left-hand selection button in the basic display, the current function switches from (Domestic hot water temperature) to (Back). Adjustable values are always displayed as flashing. You must always confirm a change to a value. Only then is the new setting saved. You can press to cancel a procedure at any time. If you do not press any buttons for longer 15 minutes, the display returns to the basic display. 4.1.1 Basic display – The operator level shows the most important information and offers set-up options which do not require any special prior knowledge. – Specialised knowledge is required in order to use the installer level (access for competent persons). This is therefore protected by an access code. Operator level – overview (→ Page 17) 4.2 Opening the isolator devices 1. Ask the competent person who installed the product to explain to you where these isolator devices are located and how to handle them. 2. Open the gas isolator cock installed on-site. 3. Open the gas isolator cock, which is directly below the product or in its immediate vicinity. 4. Open the service valves in the heating installation's flow and return. 5. Open the cold water stop valve. 4.3 The basic display shows the current product status. To return to the basic display, press the button. If you do not press any buttons within three minutes, the display becomes dark and automatically switches back to the basic display. If an error message appears, the error code will be shown on the basic display. The available functions vary depending on whether: 10 Switching on the product 1. Only start up the product once the casing has been completely closed. 2. If the display is switched off, press for less than 3 seconds. ◁ The basic display is shown in the display. Operating instructions ecoTEC pure 0020258017_00 Function 4 4.4 Setting the heating flow temperature 4.5 Note If the eBUS room temperature control is connected to the product, the domestic hot water temperature and the heating flow temperature cannot be set via the operating display. Setting the hot water temperature Note If the eBUS room temperature control is connected to the product, the domestic hot water temperature and the heating flow temperature cannot be set via the operating display. Conditions: The temperature is controlled by the product Conditions: The temperature is controlled by the product ▶ ▶ Press ◁ ▶ Press the perature. ◁ ▶ . or button to set the tem- . Note If you press the button again, the heating installation pressure is shown in the display. ▶ Press ◁ . ▶ ▶ You cannot set the heating flow temperature. . The domestic hot water temperature now flashes in the display. Press the perature. ◁ or button to set the tem- is shown in the display. Press the Press . ◁ button to confirm. The display switches to the basic display. Conditions: Controller-regulated temperature ▶ The basic display is shown. Conditions: Controller-regulated temperature ▶ ▶ is shown in the display. Confirm by pressing Press ◁ The heating flow temperature flashes in the display. Set the hot water temperature on the controller. See the instructions for the controller. Conditions: The temperature is controlled via the domestic hot water cylinder's thermostat. ▶ Note If you press the button, the heating installation pressure is shown in the display. 0020258017_00 ecoTEC pure Operating instructions Set the hot water temperature on the domestic hot water cylinder. See the instructions for the domestic hot water cylinder. 11 4 Function ▶ Conditions: The temperature is controlled via the domestic hot water cylinder's temperature sensor. ▶ ◁ Set the hot water temperature on the controller. See the instructions for the controller. 4.6 Press Switching off the product's functions 4.7 Guaranteeing the correct filling pressure in the heating circuit 4.7.1 Checking the system pressure 4.6.1 Switching off heating mode (Summer mode) Note Your product has a pressure sensor and a digital pressure indicator. The product switches to fault mode if the pressure falls below the required system pressure (below 0.05 MPa (0.5 bar)). If the heating installation extends over several floors, a higher system pressure may be necessary. Ask your competent person for details. Conditions: The temperature is controlled by the product ▶ Press ◁ ▶ ◁ ▶ The heating flow temperature flashes in the display. . Heating mode is switched off. Press ◁ until is shown in the display. Confirm by pressing ◁ ▶ . Press and press and hold OFF is shown in the display. 1. Press . ◁ The display switches to the basic display. You cannot switch off heating mode on the product. See the instructions for the controller. 4.6.2 Switching off the hot water handling mode Press ◁ ▶ ◁ ▶ System pressure: 0.08 … 0.2 MPa (0.80 … 2.0 bar) The system pressure is in the intended pressure range. until System pressure: < 0.08 MPa (< 0.80 bar) ▶ Fill the heating installation. (→ Page 13) ◁ When you have reached a sufficient pressure range, the display disappears after 20 seconds. is shown in the display. Press ◁ 12 . The domestic hot water temperature now flashes in the display. Press and press and hold OFF is shown in the display. 1/2 2/2 Conditions: Temperature regulated by the product or by the room temperature controller ▶ twice. The current system pressure is shown in the display. 2. Check the system pressure on the display. Conditions: Controller-regulated temperature ▶ . The display switches to the basic display. to confirm. Hot water generation is switched off. Operating instructions ecoTEC pure 0020258017_00 Function 4 4.7.2 Filling the heating installation Applicability: Product with filling device Caution. Risk of material damage due to heating water that is extremely calciferous or corrosive or contaminated by chemicals. Unsuitable tap water damages the seals and diaphragms, blocks components in the product and heating installation through which the water flows and causes noise. ▶ ▶ Applicability: Product without filling device ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ Only fill the heating installation with suitable heating water. In case of doubt, ask a competent person for details. Note The competent person is responsible for filling the heating installation the first time. ▶ 1 ▶ ▶ ▶ ▶ 4.8 ▶ On-site, connect the filling cock to a cold water pipe, as explained by the competent person. Open all radiator valves (thermostatic radiator valves) of the heating installation. Open the cold water pipe. Turn the filling cock on slowly and allow water to flow in until the required system pressure has been reached. Close the cold water pipe. Purge all radiators. Check the system pressure on the display. (→ Page 12) Top up with more water if required. Close the filling cock. Disconnect the filling cock from the cold water pipe. 0020258017_00 ecoTEC pure Operating instructions Open all radiator valves (thermostatic radiator valves) of the heating installation. Slowly turn the blue valve on the filling device (1) that is located below the product and top it up with water until the required system pressure has been reached. Purge all radiators. Check the system pressure on the display. (→ Page 12) Top up with more water if required. Close the blue valve on the filling device (1). Switching the product to standby mode Press the seconds. ◁ ◁ ◁ ◁ button for less than three Once the requirement currently in use has finished, the display will show OFF and go out. The product is now in standby mode. The product's frost protection function is activated. The main power supply is not interrupted. The product continues to be supplied with power. 13 5 Troubleshooting 4.9 5 Troubleshooting Protecting the heating installation against frost 5.1 4.9.1 Frost protection function Caution. Risk of material damage due to frost. The frost protection function cannot guarantee flow through the entire heating installation, which means that parts of the heating installation may freeze and therefore become damaged. ▶ ▶ ▶ Detecting and rectifying faults If faults occur or fault messages (F.XX) are displayed, proceed as set out in the tables in the appendix. If the product is not functioning correctly, contact a competent person. 5.2 Displaying the status codes 1. Press ◁ at the same time. S.XX is shown in the display, followed by the heating flow temperature and the internal system pressure. During a period of frost, en2. Look up the meaning of the status sure that the heating installacodes. tion remains in operation and Status codes – Overview (→ Page 17) that all rooms are sufficiently 3. Press . heated, even when you are ◁ The display switches to the basic away. display. To keep the frost protection devices active, you should switch your product on and off using the controller, if one is provided. If the heating flow temperature falls below 5 °C when the on/off button is on, the product comes into operation and heats the circulating water to approx. 30 °C on both the heating side and the hot water side (if available). 4.9.2 Draining the heating installation When the unit is switched off for an extended period, frost protection can be guaranteed by completely draining the heating installation and the product. ▶ Consult a competent person about this. 6 Care and maintenance 6.1 Maintenance An annual inspection and biennial maintenance of the product carried out by a competent person is a prerequisite for ensuring that the product is permanently ready and safe for operation, reliable, and has a long working life. The inspection may require maintenance to be carried out earlier, depending on the results. 6.2 Caring for the product Caution. Risk of material damage caused by unsuitable cleaning agents. ▶ 14 and Do not use sprays, scouring agents, detergents, solvents or cleaning agents that contain chlorine. Operating instructions ecoTEC pure 0020258017_00 Decommissioning 7 ▶ ▶ Clean the casing with a damp cloth and a little solvent-free soap. 6.3 Reading maintenance messages Temporarily decommission the product only if no frost is expected. ▶ Press the on/off button. If the symbol is shown in the display, the ◁ The display goes out. product requires maintenance work. The product is not in fault mode but contin- ▶ When decommissioning the product for a prolonged period (e.g. holiday), ues to operate. close the gas isolator cock and also, for ▶ Consult a competent person about this. combination products, the cold water ▶ If the water pressure is flashing at the stop valve. same time, simply add more heating water. 7.2 Permanently 6.4 Checking the condensate drain pipework and tundish The condensate drain pipework and tundish must always be penetrable. ▶ Regularly check the condensate drain pipework and tundish for faults and, particularly, for blockages. You must not be able to see or feel any obstructions in the condensate drain pipework and tundish. ▶ If you notice a fault, have it rectified by a competent person. 7 Decommissioning 7.1 Temporarily decommissioning the product Caution. Risk of material damage due to frost. The frost protection and monitoring devices are only active while the unit is connected to the power mains and switched on via the on/off button, and when the gas isolator cock is open. decommissioning the product ▶ Have a competent person permanently decommission the product. 8 Recycling and disposal ▶ The competent person who installed your product is responsible for the disposal of the packaging. If the product is identified with this symbol: ▶ In this case, do not dispose of the product with the household waste. ▶ Instead, hand in the product to a collection centre for old electrical or electronic appliances. If the product contains batteries that are marked with this symbol, these batteries may contain substances that are hazardous to human health and the environment. ▶ In this case, dispose of the batteries at a collection point for batteries. 0020258017_00 ecoTEC pure Operating instructions 15 9 Guarantee and customer service 9 Guarantee and customer service 9.1 Guarantee Herstellergarantie gewähren wir nur bei Installation durch einen anerkannten Fachhandwerksbetrieb. Dem Eigentümer des Geräts räumen wir diese Herstellergarantie entsprechend den Vaillant Garantiebedingungen ein. Garantiearbeiten werden grundsätzlich nur von unserem Kundendienst ausgeführt. Wir können Ihnen daher etwaige Kosten, die Ihnen bei der Durchführung von Arbeiten an dem Gerät während der Garantiezeit entstehen, nur dann erstatten, falls wir Ihnen einen entsprechenden Auftrag erteilt haben und es sich um einen Garantiefall handelt. 9.2 Customer service Auftragsannahme Vaillant Kundendienst: 021 91 5767901 16 Operating instructions ecoTEC pure 0020258017_00 Appendix Appendix A Operator level – overview Setting level Values Min. Max. Increment, select, explanation Default setting Domestic hot water mode (product with integrated hot water generation or connected domestic hot water cylinder with temperature sensor) Water temperature Current value < 35 = OFF OFF 35 ℃ 60 ℃ Heating mode Heating flow temperature Current value < 10 = OFF Underfloor heating = 35-50 Radiator = 35-80 Note 10 ℃ 80 ℃ The temperature range above 75 °C can only be set by a competent person. OFF B Status codes – Overview Note Since the code table is used for various products, some codes may not be visible for the product in question. Codes that are not listed here can be found in the installation instructions. Status code S.00 S.02 S.03 S.04 S.06 S.07 S.08 S.10 S.14 S.20 S.22 S.24 S.31 S.34 Meaning Displays in heating mode Heating mode: No requirement Heating mode: Pump pre-run Heating mode: Burner ignition Heating mode: Burner on Heating mode: Fan overrun Heating mode: Pump overrun Heating mode: Temporary shutdown after heating procedure Displays in hot water handling mode Hot water handling mode: Requirement DHW mode: Burner on Display in Comfort mode with warm start or hot water handling mode with cylinder Hot water handling mode: Requirement Hot water handling mode: Pump pre-run DHW mode: Burner on Other displays No heating demand: Summer mode, eBUS controller, waiting period Frost protection active 0020258017_00 ecoTEC pure Operating instructions 17 Appendix Status code S.46 Meaning Protection mode: Minimum load C Troubleshooting and fault elimination C.1 Troubleshooting Symptom The system pressure is flashing on the display Product does not start up (no hot water, heating remains cold) Hot water generation functioning correctly; heating does not start up Possible cause Measure The system pressure ▶ Fill the heating installation. (→ Page 13) is too low: < 0.05 MPa (< 0.50 bar). Low water pressure in the heating installation. The system pressure ▶ Wait until the excess heating water has is too high: > 0.3 MPa flowed out through the expansion relief (> 3 bar). valve. The gas isolator cock ▶ Open both gas isolator cocks. installed on-site and/or the gas isolator cock on the product is closed. The cold water stop ▶ Open the cold water stop valve. valve is closed. The product is ▶ Switch on the product. (→ Page 10) switched off. The heating flow tem- 1. Set the heating flow temperature. perature/hot water 2. Set the hot water temperature. temperature has been set too low and/or the heating mode/hot water generation has been switched off. There is air in the ▶ Have a competent person purge the heating heating installation. installation. The external controller ▶ Set the external controller correctly (→Conis not set correctly. troller operating instructions). C.2 Rectifying faults Message Possible cause Measure F.28 Ignition unsuccessful After three unsuccessful ignition attempts, the product has switched to fault mode. 1. Check whether the gas isolator cock is open. 2. Press the reset button for longer than three seconds. 3. If you have been unable to eliminate the ignition fault after the fault clearance attempt, consult a competent person. 18 Operating instructions ecoTEC pure 0020258017_00 0020258017_00 0020258017_00 19.05.2017 Supplier Vaillant Deutschland GmbH & Co.KG Berghauser Str. 40 D-42859 Remscheid Telefon 021 91 18‑0 Telefax 021 91 18‑2810 Auftragsannahme Vaillant Kundendienst 021 91 5767901 firstname.lastname@example.org www.vaillant.de © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent. We reserve the right to make technical changes.