Related Manuals for Vaillant ecoTEC pure VCW 206/7-2
Summary of Contents for Vaillant ecoTEC pure VCW 206/7-2
- Page 1 Installation and maintenance instructions ecoTEC pure VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE) Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +49 21 91 18‑0 Fax +49 21 91 18‑2810 [email protected] www.vaillant.de...
-
Page 2: Table Of Contents
Contents Contents Adapting the unit to the installation ....21 Activating diagnostics codes ....... 21 Safety ..............4 Burner anti-cycling time ........21 Action-related warnings ......... 4 Setting the maximum heating output ....22 Intended use ............4 Setting the maintenance interval ......22 General safety information ........ - Page 3 Contents Technical data............ 43 Index ................... 46 0020258016_00 ecoTEC pure Installation and maintenance instructions...
-
Page 4: Safety
1 Safety Safety this document shall be considered improper use. Any direct commercial or industrial use Action-related warnings is also deemed to be improper. Classification of action-related warnings Caution. The action-related warnings are classified in Improper use of any kind is prohibited. accordance with the severity of the possible danger using the following warning signs and General safety information... - Page 5 Safety 1 ▶ Alert the police and fire brigade as soon as 1.3.8 Risk of death due to cabinet-type casing you are outside the building. ▶ Use a telephone outside the building to Cabinet-type casing can give rise to danger- inform the emergency service department ous situations when used on a product which of the gas supply company.
-
Page 6: Regulations (Directives, Laws, Standards)
1 Safety 1.3.13 Risk of death from escaping flue Regulations (directives, laws, standards) ▶ Observe the national regulations, stand- If you operate the product with an empty con- densate siphon, flue gas may escape into the ards, guidelines and laws. room air. -
Page 7: Notes On The Documentation
Notes on the documentation 2 Notes on the documentation Compact thermal Flue gas measuring module stub pipe Ionisation and ignition Air intake pipe Observing other applicable documents electrode Expansion vessel ▶ Primary heat exchanger You must observe all the operating and installation in- Pressure sensor structions included with the system components. -
Page 8: Information On The Identification Plate
4 Set-up Information on the identification plate Serial number The identification plate is mounted on the underside of the The serial number can be found on a plastic label at the bot- product in the factory. tom of the front casing and on the identification plate. The identification plate keeps record of the country in which CE label the product is to be installed. -
Page 9: Dimensions
Set-up 4 Dimensions Flue pipe wall duct Product bracket A = see installation Plug (unused connec- template (60/100 mm tion), only for products diameter air/flue pipe) that have heating mode A = 235 mm R1 tundish/condensate (80/125 mm diameter siphon connection air/flue pipe) Flue pipe connection A = 220 mm (80/80 mm... -
Page 10: Wall-Mounting The Product
4 Set-up Wall-mounting the product Removing the front casing Check whether the wall has sufficient load-bearing ca- pacity to bear the operational weight of the product. Check if the supplied fixing material may be used for the wall. Conditions: The load-bearing capacity of the wall is sufficient, The fixing material may be used for the wall ▶... -
Page 11: Removing The Side Section
Installation 5 Removing the side section Caution. Risk of material damage due to the gas leak-tightness test. At a test pressure of >11 kPa (110 mbar), gas leak-tightness tests may cause damage to the gas valve. ▶ If, during gas leak-tightness tests, you also place the gas lines and the gas valve in the product under pressure, use a max. -
Page 12: Installation Requirements
5 Installation Installation requirements Gas and water connections 5.1.1 Information on liquid gas operation Conditions: Product with integrated domestic hot water generation In the as-delivered condition, the product is preset for opera- tion with the gas group indicated on the identification plate. If you have a product that has been preset for operation with natural gas, you must convert it to run on liquid gas. -
Page 13: Connecting The Condensate Drain Pipework
Installation 5 Installing the discharge pipe on the Conditions: Product with heating mode only and connected domestic hot water cylinder expansion relief valve Ensure that the pipeline is visible. Connect the expansion relief valve (1). ◁ The components must be set up in such a way that Heating flow connec- Return connection to you can see the water flowing out. -
Page 14: Electrical Installation
5 Installation Alternatives 3 / 3 5.5.2.4 Installing the connection piece for the ▶ separate air/flue pipe, 80/80 mm diameter If required, install the connection piece for the separate air/flue gas ducting, 80/80 mm diameter. Remove the connection piece for the air/flue pipe – this (→... - Page 15 Installation 5 5.6.2 Cable route 24-V eBUS cable route Route a three-core power supply cable that complies with the relevant standards through the grommet and 230-V eBUS cable route into the product. Observe the routing of the power supply cable (1) in the 5.6.3 Wiring grommet in order to guarantee that there is no strain.
-
Page 16: Operation
6 Operation Conditions: If installing a domestic hot water cylinder, which is controlled Conditions: Components connected to relay 2 by a temperature sensor. ▶ Activate (→ Page 17) D.28. TANK T° Operation TANK SWITCH Operating concept The operating concept and the display and setting facilities of the operator level are described in the operating instruc- tions. -
Page 17: Using Diagnostics Codes
Start-up 7 – Using check programmes Installer code: 17 Confirm by pressing By activating various check programmes, you can trigger Press to access the diagnostics codes (d.), the various special functions on the product. check programmes (P.) and the fault codes (F.) and to return to the diagnostics codes (d.). -
Page 18: Checking And Treating The Heating Water/Filling And Supplementary Water
7 Start-up Conditions: The product design is compatible with the local type of gas Total Water hardness at specific system volume heating ▶ > 20 l/kW Proceed in accordance with the description in these in- output ≤ 20 l/kW > 50 l/kW ≤... -
Page 19: Preventing Low Water Pressure
Start-up 7 Preventing low water pressure Filling and purging the heating installation Preliminary work The required filling pressure is between 0.08 and 0.2 MPa (0.8 and 2 bar). Flush the heating installation through. Observe the information on the topic of treating If the water pressure falls below 0.05 MPa (0.5 bar), the value flashes in the display. -
Page 20: Filling The Hot Water Circuit
7 Start-up – Filling the hot water circuit Setting value for the programme P.01: 100 Measure the gas connection pressure against atmo- Open the taps to fill the hot water circuit. spheric pressure. Close the taps once the required volume of water has Permissible connection pressure flowed into the circuit. -
Page 21: Checking Leak-Tightness
Adapting the unit to the installation 8 – Status codes – Overview (→ Page 37) Waiting period for reading a stable value: 5 min ◁ If the product is working correctly, the display shows S.14. 7.10.2 Checking the heating mode Activate the heating mode on the user interface. -
Page 22: Setting The Maximum Heating Output
8 Adapting the unit to the installation The values stated correspond to an average operating time Set maximum burner anti-cycling time Flow of one year. [min] (target) [°C] If you do not set a numerical value but do set the symbol "–... -
Page 23: Setting Solar Drinking Water Post-Heating
Troubleshooting 9 Setting solar drinking water post-heating Note If no fault message is present, the product will Navigate to parameter d.058 in the installer level and automatically switch back to normal operating set the value to 3 to perform legionella treatment. mode after a certain time. -
Page 24: Preparing The Repair Work
9 Troubleshooting Preparing the repair work 9.7.2 Replacing the fan or gas valve Decommission the product. Disconnect the product from the power mains. Remove the front casing. (→ Page 10) Close the gas isolator cock. Close the service valves in the heating flow and in the heating return. - Page 25 Troubleshooting 9 14. Tighten the cap nut (2) on the gas valve and the cap 13. Insert the flow and return connections into the heat nut (8) between the gas pipes. In the process, secure exchanger as far as they will go. the gas pipe against twisting.
- Page 26 9 Troubleshooting 9.7.5 Replacing the main PCB 9.7.7 Replacing the expansion relief valve Remove the clip (2). Remove the expansion relief valve. Fit the new expansion relief valve with a new O-ring. Reattach the clip (2). 9.7.8 Replacing the flow sensor Prepare the repair work.
-
Page 27: Completing Repair Work
Inspection and maintenance 10 9.7.10 Replacing the power supply cable 10.3 Checking the CO₂ content Start up the product with the check programme (P.01) Note and set the value. The cable must be replaced by the manufacturer, – Setting value for the programme P.01: 100 its customer service or suitably qualified persons Wait until the value that is read is stable. -
Page 28: Setting The Co₂ Content
10 Inspection and maintenance 10.4 Setting the CO₂ content Germany Natural gas Conditions: The CO₂ content must be adjusted Removed front Fitted front cas- casing ≤ 250 ppm ≤ 250 ppm CO at full load ≤ 0.0027 ≤ 0.0027 CO/CO₂ G25 –... -
Page 29: Draining The Product
Inspection and maintenance 10 10.6 Draining the product Unscrew the cap nut from the gas valve (3). Close the service valves of the product. Start check programme P.06 (diverter valve mid-posi- tion). Open the drain cock. Make sure that the cap of the automatic air vent on the internal pump is open so that the product can be drained fully. -
Page 30: Checking The Burner
10 Inspection and maintenance ◁ The water flows out of the heat exchanger through Carefully remove the electrode (4) from the combustion the condensate siphon. chamber. Ensure that the electrode ends (6) are undamaged. 10.9 Checking the burner Clean and check the gap between the electrodes. –... -
Page 31: 10.13 Cleaning The Heating Filter
Decommissioning 11 – 10.13 Cleaning the heating filter Tightening torque: 6 Nm Reconnect the plugs (1) to (4). Connect the gas pipe using a new seal. In the process, secure the gas pipe against twisting. Open the gas isolator cock. Make sure that there are no leaks. -
Page 32: 13 Customer Service
13 Customer service 13 Customer service Auftragsannahme Vaillant Kundendienst: 021 91 5767901 Installation and maintenance instructions ecoTEC pure 0020258016_00... -
Page 33: Appendix
Appendix Appendix Check programmes – Overview Display Meaning P.00 Purging the domestic hot water and heating circuit: The function is activated in the small domestic hot water circuit for three minutes and then in the heating circuit for one minute. The pump runs and stops at regular intervals. - Page 34 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code ℃ – d.07 Set target temperature Current value Applies to: Product with heat- for the domestic hot wa- ing mode only, connected to do- adjustable ter cylinder mestic hot water cylinder with...
- Page 35 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – d.27 Function of relay 1 1 = Circulation pump Adjustable (multi-functional module) 2 = External pump 3 = Cylinder charging pump 4 = Extractor hood 5 = External solenoid valve 6 = External fault message 7 = Solar pump (omitted)
- Page 36 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – – d.67 Remaining burner anti- Current value cycling time (setting un- adjustable der d.02) – – – d.68 Number of unsuccessful Current value ignitions at 1st attempt adjustable –...
-
Page 37: C Status Codes - Overview
Appendix Status codes – Overview Note Since the code table is used for various products, some codes may not be visible for the product in question. Status code Meaning Displays in heating mode S.00 Heating mode: No requirement S.01 Heating mode: Advance fan operation S.02 Heating mode: Pump pre-run S.03... -
Page 38: D Overview Of Fault Codes
Appendix Overview of fault codes Note Since the code table is used for various products, some codes may not be visible for the product in question. If faults occur, some of them can be reset. To do so, press and hold the button for three seconds. - Page 39 Appendix Fault code Meaning Possible cause F.71 Fault: Flow/return temperature sensor Flow temperature sensor specifies a constant value: Flow temperature sensor incorrectly attached to the flow pipe, flow temperature sensor de- fective Flow/return NTC temperature difference too great → flow and/or return tem- F.72 Fault: Deviation in the water pressure sensor/return temperature sensor...
-
Page 40: E Wiring Diagrams
Appendix Wiring diagrams Product connection diagram with integrated hot water generation Burner off RT 24V X106 eBUS – Burner 24V= 230V~ Main PCB Gas valve Interface PCB Diverter valve Safety thermostat for underfloor heating Pressure sensor 24 V DC room thermostat Mass flow- Bus connection (digital room thermostat/controller) External ignition device... -
Page 41: Connection Diagram, Product With Heating Mode Only
Appendix Connection diagram, product with heating mode only Burner off RT 24V X106 eBUS – Burner 24V= 230V~ Main PCB Gas valve Interface PCB Diverter valve Safety thermostat for underfloor heating Pressure sensor 24 V DC room thermostat Plug, cylinder, hot water heat exchanger Bus connection (digital room thermostat/controller) External ignition device Outside temperature sensor, wired... -
Page 42: F Inspection And Maintenance Work - Overview
Appendix Inspection and maintenance work – Overview The table below lists the manufacturer requirements with respect to minimum inspection and maintenance intervals. If na- tional regulations and directives require shorter inspection and maintenance intervals, you should observe these instead of the intervals listed in the table. - Page 43 Appendix Technical data Note For products with heating mode only, the technical data for the hot water is only relevant if a domestic hot water cylinder is connected to the product. Technical data – Heating VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE) 75 ℃...
- Page 44 Appendix VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE) Heat output range – domestic hot wa- 6.6 … 24.3 kW 6.6 … 24.3 kW ter or cylinder reheating (P) Maximum heat input – heating (Q 18.7 kW 18.7 kW max.) Minimum heat input – heating (Q min.) 6.6 kW 6.6 kW Maximum heat input –...
- Page 45 Appendix VC 146/7-2 (E-DE) VCW 206/7-2 (E-DE) Product dimensions, width 440 mm 440 mm Product dimensions, depth 337 mm 337 mm Product dimensions, height 720 mm 720 mm Net weight 30.0 kg 30.8 kg Weight when filled with water 32.4 kg 33.5 kg Technical data –...
- Page 46 Index Index Electronics box, closing............14 Electronics box, opening ............. 14 Expansion relief valve ............26 60/100 mm diameter unit connection piece with offset, installing ................14 Fan, replacing..............24 Fault codes................23 80/125 mm diameter unit connection piece, installing ..14 Fault symbol ................
- Page 47 Index Repair work, completing............27 Repair work, preparing ..........24, 28 Replacing the burner ............24 Replacing the main PCB ............. 26 Replacing the PCB for the user interface ......26 Replacing, fan ..............24 Replacing, gas valve ............24 Replacing, heat exchanger..........
- Page 48 0020258016_00 0020258016_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 [email protected] 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.