Vaillant ecoFIT sustain 825 Installation And Maintenance Instructions Manual
Hide thumbs
Also See for ecoFIT sustain 825:
- Installation and maintenance instructions manual (56 pages) ,
- Operating instructions manual (20 pages) ,
- Installation and maintenance instructions manual (48 pages)
Related Manuals for Vaillant ecoFIT sustain 825
Summary of Contents for Vaillant ecoFIT sustain 825
- Page 1 Installation and maintenance instructions ecoFIT sustain 825 - 835 GB, IE 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 7.10 Checking the gas flow rate ........17 7.11 Checking the gas setting ........18 7.12 Checking leak-tightness ........19 Safety ..............3 Action-related warnings ......... 3 Adapting the unit to the heating installation............20 Intended use ............3 Setting the burner anti-cycling time ..... -
Page 3: Safety
Safety 1 – compliance with all inspection and main- Safety tenance conditions listed in the instruc- Action-related warnings tions. Classification of action-related warnings Intended use also covers installation in ac- The action-related warnings are classified in cordance with the IP code. accordance with the severity of the possible Any other use that is not specified in these danger using the following warning signs and... - Page 4 1 Safety ▶ Leave the building immediately and ensure 1.3.7 Risk of death due to lack of safety that others do not enter the building. devices ▶ Notify the gas supply company or The basic diagrams included in this docu- the Emergency Service Provider ment do not show all safety devices required +44 (0) 800 111999 by telephone once you...
-
Page 5: Regulations (Directives, Laws, Standards)
Safety 1 ▶ During repair work, do not apply any leak 1.3.13 Risk of corrosion damage due to detection sprays or fluids to the covering unsuitable combustion and room air cap on the filter for the Venturi. Sprays, solvents, chlorinated cleaning agents, paint, adhesives, ammonia com- Regulations (directives, laws, pounds, dust or similar substances may lead... -
Page 6: Notes On The Documentation
For identification purposes; 7th to 16th digits = product article number Benchmark For quality control purposes; 17th to 20th Vaillant is a licensed member of the Benchmark Scheme. digits = place of manufacture Benchmark places responsibilities on both manufacturers ecoFIT sustain 8.. -
Page 7: Functional Elements: Combi Boiler
Set-up 4 CE marking Information on the Meaning identification plate Read the instructions. GC no. Gas council number The CE marking shows that the products comply with the basic requirements of the applicable directives as stated on the declaration of conformity. Functional elements: Combi boiler The declaration of conformity can be viewed at the manufac- turer's site. -
Page 8: Dimensions
4 Set-up Heating return Connection on the top Quantity Description of the air/flue pipe Connection on the back Gas isolator cock of the air/flue pipe Connection pipe (heating flow and return) Cold water connection pipe Minimum clearances Hot water connection pipe Gas pipe Expansion relief valve discharge pipe Installation template... -
Page 9: Removing/Installing The Front Casing
Set-up 4 Check if the supplied fixing material may be used for 4.9.2 Installing the front casing the wall. Refit the components in the reverse order. ▶ Condition: The load-bearing capacity of the wall is sufficient, The fixing ma- terial may be used for the wall 4.10 Removing/installing the side section Wall-mount the product as described. -
Page 10: Installation
5 Installation 4.10.2 Installing the side section Caution. Refit the components in the reverse order. Risk of material damage due to heat trans- ▶ fer during soldering. Only solder connectors if the connectors ▶ Installation are not yet screwed to the service valves. Danger! Warning. -
Page 11: Connecting The Drain Pipework For The Expansion Relief Valve
Installation 5 Connecting the condensate discharge pipe Heating flow connec- Connection for the cold Follow the instructions listed here and observe the legal ▶ tion, G3/4 water supply line, G3/4 and local regulations on condensate discharge. Domestic hot water Heating return connec- Use PVC or any other material that is suitable for drain- ▶... - Page 12 5 Installation 5.4.1 Condensate drainage systems 5.4.1.4 Internal termination into combined sink waste 5.4.1.1 Internal soil and vent pipe Ø19mm Ø19mm Ø30mm 5.4.1.5 Internal termination downstream of sink 5.4.1.2 External soil and vent pipe waste Ø19mm Ø19mm Ø30mm Ø30mm 5.4.1.3 External termination into a gulley or hopper 5.4.1.6 External termination into soakaway 500mm min Ø19mm...
-
Page 13: Electrical Installation
Installation 5 5.4.1.7 External termination into rain water down 5.5.2 Closing the electronics box pipe Follow the instructions in the reverse order. ▶ 5.5.3 Cable route Ø19mm Ø30mm Electrical installation Only qualified electricians may carry out the electrical install- ation. 230-V cable route 24-V cable or eBUS cable route... -
Page 14: Operation
6 Operation Provide one common power supply for the boiler and Connect the individual components depending on the for the corresponding control: installation type. – Power supply: Single-phase, 230 V, 50 Hz Condition: If installing a multi-circuit controller. – Fuse protection: ≤ 3 A Change the pump's operating mode d.18 from Eco (in- Open the electronics box. -
Page 15: Calling Up The Installer Level
Start-up 7 Start-up Calling up the installer level Only call up the installer level if you are a competent Carrying out the initial start-up person. Initial start-up must be carried out by a customer service Press ("i") at the same time. technician or an authorised competent person using the first- S.xx appears in the display (current unit status). -
Page 16: Avoiding Danger Arising From Insufficient Water Pressure
7 Start-up If the value is below 6.5 or above 8.5, clean the installa- No incompatibility with our products has been detected to ▶ tion and treat the heating water. date with proper use of the following additives. Ensure that oxygen cannot get into the heating water. ▶... -
Page 17: Switching On The Product
Start-up 7 Switching on the product Filling the condensate trap Switch on the product via the main switch installed on- ▶ site. Filling and purging the heating installation Preliminary work Flush the heating installation through. ▶ Unclip the lower section of the condensate trap (1) from the upper section of the condensate trap (2). -
Page 18: Checking The Gas Setting
7 Start-up Permissible connection pressure H gas in m³/h Qnw from the data plate 1.7 to 2 kPa Great Bri- Natural −10% Nom. tain (17.0 to 15.3 1.62 1.70 1.46 20 mbar) 18.4 1.95 2.05 1.76 Should the pressure recorded at the reference test point 24.7 2.61 2.74... -
Page 19: Checking Leak-Tightness
Start-up 7 7.11.2 Checking the air/flue pipe/flue gas recirculation Check the flue gas installation is intact in accordance with the latest gas safe technical bulletin and informa- tion supplied in the installation instructions. For extended flue gas installations check for flue gas recirculation using the air analysis point. -
Page 20: Adapting The Unit To The Heating Installation
8 Adapting the unit to the heating installation Adapting the unit to the heating Setting the pump output installation The product is equipped with a speed-regulated high-effi- ciency pump, which adjusts independently to the hydraulic You can reset/change the system parameters. conditions of the heating installation. -
Page 21: Setting The Domestic Hot Water Temperature
Handing the product over to the end user 9 Inform the end user that they must have the product ▶ maintained in accordance with the specified intervals. Pass all of the instructions and documentation for the ▶ product to the end user for safe-keeping. Inform the end user about measures taken to ensure the ▶... -
Page 22: Resetting Parameters To Factory Settings
10 Troubleshooting 10.4 Resetting parameters to factory settings Navigate to diagnostics code D.096 in the installer level. Set the diagnostics code to 1, and confirm by pressing 10.5 Preparing the repair work Switch off the product. Disconnect the product from the electrical installation. Remove the front casing. - Page 23 Troubleshooting 10 13. Remove the ignition electrode (1). Undo the nut (3). 14. Lift the heat exchanger up slightly and remove it to- Remove both screws on the support plate (1). gether with the condensate tray. Remove the support plate. 15.
-
Page 24: Checking The Product For Leak-Tightness
11 Inspection and maintenance 10.6.7 Replacing the PCB for the user interface 10.6.9 Replacing the volume flow sensor Pull out the plug. Remove the volume flow sensor (1). Install the new volume flow sensor. Plug in the plug. 10.6.10 Replace the pressure sensor Open the electronics box. -
Page 25: Checking The Co₂ Content
Inspection and maintenance 11 11.3 Checking the CO₂ content Setting the CO₂ value Start up the product with check programme (P.01). Great Britain Wait until the value that is read is stable. front casing on / front cas- – ing off Waiting period for reading a stable value: 5 min Natural gas 9.2 ±0.2 %... -
Page 26: Cleaning The Heat Exchanger
11 Inspection and maintenance 11.6 Cleaning the heat exchanger Protect the open electronics box from spraying water. Clean the ribs of the heat exchanger (1) with water. The water runs out into the condensate tray. ◁ Remove the air intake pipe (3). 11.7 Checking the burner Remove the plugs from the gas valve assembly (4) and... -
Page 27: Cleaning The Condensate Trap
Inspection and maintenance 11 11.9 Cleaning the condensate trap 11.11 Cleaning the heating filter Drain the product. (→ Page 28) Remove the temperature sensor (1). Remove the upper clip (2). Unclip the lower section of the condensate trap (1) from the upper section of the condensate trap (2). -
Page 28: 11.13 Draining The Product
▶ 13 Customer service To ensure regular servicing, it is strongly recommended that arrangements are made for a Maintenance Agreement. Please contact Vaillant Service Solutions for further details: Telephone: 0330 100 3461 14 Recycling and disposal Disposing of the packaging Dispose of the packaging correctly. -
Page 29: Appendix
Appendix Appendix Overview of diagnostics codes Note Since the code table is used for various products, some codes may not be visible for the product in question. Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. - Page 30 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – d.18 Pump overrun operating 1 = Continuous (pump runs per- Adjustable mode manently) 3 = Eco (intermittent pump mode – for the dissipation of the resid- ual heat after hot water genera- tion at an extremely low heat de- mand)
- Page 31 Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – – d.35 Position of the diverter Current value 0 = Heating valve adjustable 40 = Mid-position (parallel opera- tion) 100 = Domestic hot water d.36 Value for the hot water Current value...
-
Page 32: B Status Codes - Overview
Appendix Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – d.80 Running time in heating Current value Running time = Display value x mode adjustable – d.81 Running time in hot wa- Current value Running time = Display value x ter handling mode... -
Page 33: C Overview Of Fault Codes
Appendix Status code Meaning S.16 DHW mode: Fan overrun S.17 DHW mode: Pump overrun Display in comfort mode with warm start or domestic hot water mode with cylinder S.20 Domestic hot water mode: Requirement S.21 Domestic hot water mode: Fan prerun S.22 Domestic hot water mode: Pump prerun S.23... - Page 34 Appendix Fault code Meaning Possible cause Safety shutdown: Overheating temperat- Incorrect earth connection between cable harness and product, flow or return F.20 ure reached NTC defective (loose connection), stray spark via ignition cable, ignition plug or ignition electrode Safety shutdown: Water deficiency in the No or insufficient water in the product, water pressure sensor de- F.22 boiler...
- Page 35 Appendix Fault code Meaning Possible cause Fault: Dry fire When the burner starts, the temperature change registered at the flow or F.83 return temperature sensor is non-existent or too small: Insufficient water in the product, the flow or return temperature sensor is not in the correct position on the pipe Fault: Flow/return temperature sensor Values not consistent, difference <...
-
Page 36: D Wiring Diagram: Combi Boiler
Appendix Wiring diagram: Combi boiler Burner off RT 24V X106 eBUS – Burner 24V= 230V~ RT 230Vac 230Vac Main PCB 3-port diverter valve Interface PCB Pressure sensor Timer Flow rate sensor Temperature sensor on the heating flow External ignition transformer Temperature sensor on the heating return Heating pump Ionisation and ignition electrode... -
Page 37: E Wiring Diagram: Combi Boiler (35 Kw)
Appendix Wiring diagram: Combi boiler (35 kW) Burner off RT 24V X106 eBUS – Burner 24V= 230V~ RT 230Vac 230Vac Main PCB 3-port diverter valve Interface PCB Pressure sensor Timer Flow rate sensor Temperature sensor on the heating flow External ignition transformer Temperature sensor on the heating return Heating pump Ionisation and ignition electrode... -
Page 38: F Inspection And Maintenance Work
Appendix Inspection and maintenance work 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. Each time inspection and maintenance work is carried out, carry out the required preparatory and com- pletion work. -
Page 39: G Position Of The Opening In The Air/Flue Pipe
Appendix Maintenance work Interval Check and, if required, replace the insulating mat in the burner area If required, at least every 5 years Installing the gas-air mixture unit If required, at least every 5 years Check the water flow rate (domestic hot water). Insufficient water flow Annually rate →... -
Page 40: Horizontal Terminal Positioning
Appendix Minimum dimen- Installation site sions Above floors, roofs or balconies 300 mm From a surface facing a terminal 600 mm From a terminal facing a terminal 1,200 mm From an opening in the car port (e.g. door, window) which leads into the dwelling 1,200 mm Vertical from a terminal on the same wall 1,500 mm... -
Page 41: H Commissioning Checklist
Appendix Commissioning Checklist Benchmark Commissioning and Servicing Section It is a requirement that the boiler is installed and commissioned to the completed in full. www.centralheating.co.uk © Heating and Hotwater Industry Council (HHIC) 0020230529_04 ecoFIT sustain Installation and maintenance instructions... - Page 42 Appendix GAS BOILER SYSTEM COMMISSIONING CHECKLIST This Commissioning Checklist is to be completed in full by the competent person who commissioned the boiler as a means of demonstrating compliance with the appropriate Building Regulations and then handed to the customer to keep for future reference. CONTROLS Optimum start control Fitted...
- Page 43 Appendix SERVICE RECORD It is recommended that your heating system is serviced regularly and that the appropriate Service Interval Record is completed. Service Provider SERVICE 01 SERVICE 02 ² % ² % ² % ² % SERVICE 03 SERVICE 04 ²...
- Page 44 Appendix PRIOR TO CO AND COMBUSTION RATIO CHECK NOTE The boiler manufacturer’s installation instructions should have been followed, gas type verified and gas THE AIR GAS RATIO VALVE IS FACTORY supply pressure/rate checked as required prior to commissioning. SET AND MUST NOT BE ADJUSTED As part of the installation process, especially where a flue has been fitted by persons other than the DURING COMMISSIONING UNLESS THIS boiler installer, visually check the integrity of the whole flue system to confirm that all components are...
-
Page 45: I Technical Data
Appendix Technical data Technical data – Heating VUW 256/6-3 (H- VUW 306/6-3 (H- VUW 356/6-3 (H- 10 to 80 ℃ 10 to 80 ℃ 10 to 80 ℃ Max. flow temperature adjustment range (default setting: 75 °C) 0.3 MPa 0.3 MPa 0.3 MPa Maximum permissible pressure (3.0 bar) - Page 46 Appendix VUW 256/6-3 (H- VUW 306/6-3 (H- VUW 356/6-3 (H- 3/4 inch 3/4 inch 3/4 inch Diameter of the heating connec- tions 15 mm 15 mm 15 mm Expansion relief valve connection pipe (min.) 21.5 mm 21.5 mm 21.5 mm Condensate discharge pipe (min.) 2.0 kPa 2.0 kPa...
-
Page 47: Index
Index Index High-efficiency pump output..........20 Identification plate ..............6 Air/flue pipe, installed ............4 If you smell flue gas............... 4 Atmospheric sensing device..........4 If you smell gas ..............3 Inspection work ..............24 Installation site..............4–5 Basic diagram................ 4 Installer level ............... - Page 48 0020230529_04 0020230529_04 22.07.2019 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT Telephone 0330 100 3461 [email protected] www.vaillant.co.uk © These instructions, or parts thereof, are protected by copyright and may be reproduced or distributed only with the manufacturer's written consent. Subject to technical modifications.