Vaillant ecoFIT pure 412 Installation And Maintenance Instructions Manual
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- Page 1 Installation and maintenance instructions ecoFIT pure 412 - 435 GB, IE Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +492191 18 0 Fax +492191 18 2810 [email protected] www.vaillant.de...
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Page 2: Table Of Contents
Contents Contents Checking and adjusting the gas settings ..... 18 Checking leak-tightness ........19 Safety ..............3 7.10 Checking the heating mode ......... 19 Action-related warnings ......... 3 Adapting the unit to the heating installation............19 Intended use ............3 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 in- danger using the following warning signs and... - Page 4 1 Safety ▶ If possible, close the gas isolator cock on Before commencing work on the product: the product. ▶ Disconnect the product from the power ▶ Warn other occupants in the building by supply by switching off all power supplies yelling or banging on doors or walls.
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Page 5: Regulations (Directives, Laws, Standards)
Safety 1 1.3.13 Risk of material damage caused by using an unsuitable tool ▶ Use the correct tool. Regulations (directives, laws, standards) ▶ Observe the national regulations, stand- ards, directives, ordinances and laws. 0020230535_05 ecoFIT pure Installation and maintenance instructions... -
Page 6: Notes On The Documentation
EC Directive 92/42/EEC Benchmark Type: Xx3(x) Permissible flue gas connections Vaillant is a licensed member of the Benchmark Scheme. Maximum water pressure in heating Benchmark places responsibilities on both manufacturers mode and installers. The purpose is to ensure that customers are... -
Page 7: Ce Label
Set-up 4 Set-up CE label Transporting the unit Important: With regard to the regulations of 1992 concern- ing the manual handling of loads, the unit exceeds the The CE label shows that the products comply with the basic weight that can be lifted by a single person. requirements of the applicable directives as stated on the identification plate. -
Page 8: Dimensions
4 Set-up Dimensions Minimum clearances 183,5 33,5 157,5 Minimum clearance 150 mm (top air/flue connection) 75 mm (rear air/flue connection) * 150 mm 5 mm (70 mm, if the side sections have to be removed) 600 mm * Dimension A can be reduced to 20 mm if there is a removable surface above the product. -
Page 9: Removing/Installing The Front Casing
Installation 5 Only use fixing material that is permitted for the wall. If required, ensure that mounting apparatus on-site has sufficient load-bearing capacity. Wall-mount the product as described. Removing/installing the front casing 4.8.1 Removing the front casing Tilt the electronics box forward. Hold on to the side section so that it cannot fall, and unscrew both screws, one from the top and one from the bottom. -
Page 10: Installing The Heating Pump
5 Installation Pressure loss Caution. from the product Risk of material damage caused by residues in the pipelines. Welding remnants, sealing residues, dirt or other residues in the pipelines may damage the product. ▶ Flush the heating installation thoroughly before installing the product. Caution. -
Page 11: Heating Water Supply In The Open Heating System
Installation 5 Heating water supply in the open heating Connecting the heating flow and heating system return Heating return connec- Heating flow connection tion Establish the heating connections in accordance with the applicable standards. Check whether the connections (→ Page 19) are leak- tight. - Page 12 5 Installation 5.6.1.3 External termination into a gulley or hopper Note The condensate drain pipework must have a continuous fall (45 mm per metre) and should whenever possible terminate at a suitable drain point within the heated envelope of the building that will remain frost free under long periods of low external temperatures.
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Page 13: Flue Installation
Installation 5 5.6.1.6 External termination into soakaway Electrical installation Danger! Risk of death from electric shock! Continuous voltage is present at power sup- ply terminals L and N even when the unit is 500mm min L = 3m max switched off using the standby button. ▶... - Page 14 5 Installation 5.8.3 Carrying out the wiring 30 mm max. Shorten the connection cables to the appropriate lengths to prevent them from causing damage inside 230V~ the electronics box. Screw the plug to the connection cable. Plug the plug into the slot provided on the PCB. 5.8.4 Establishing the power supply Carry out the wiring.
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Page 15: Operation
D.--- Remove the bridge from the plug 24V=RT. Conditions: 230 V 3-wire connection ▶ Connect the boiler only using the set with article number 0020244337 (Installation Kit, 3-wire, Vaillant). P.-- – When connecting, observe the instructions for the set. ▶... -
Page 16: Using Check Programmes
7 Start-up Using check programmes Checking the factory setting The product's combustion has been factory tested and is Call up the installer level + 1 x preset for operation with the gas group indicated on the iden- Display Meaning tification plate. P.00 Purging check programme: The product is only authorised to be operated with natural... -
Page 17: Filling The Condensate Trap
Start-up 7 – – if the pH value of the heating water is less than 6.5 or Fernox F2 more than 8.5. – Sentinel X 100 – Sentinel X 200 Total Water hardness at specific system volume heating Additives for frost protection intended to remain >... -
Page 18: Switching On The Product
7 Start-up Switching on the product Checking and adjusting the gas settings ▶ Switch on the product via the main switch installed on- Only a qualified competent person is authorised to imple- site. ment the settings on the gas valve assembly. Each destroyed tamper-proof seal must be replaced. -
Page 19: Checking Leak-Tightness
Adapting the unit to the heating installation 8 ▶ Allow the boiler to cool down by allowing pump overrun Measure the CO₂ content at the flue gas analysis point to operate for a minimum of two minutes. (1). ▶ Close the gas stopcock. Compare the measured value with the corresponding ▶... -
Page 20: Handing The Product Over To The End User
9 Handing the product over to the end user 10 Troubleshooting 8.1.1 Setting the burner anti-cycling time ▶ Set the burner anti-cycling time via the diagnostics code. 10.1 Eliminating faults Overview of diagnostics codes (→ Page 27) ▶ If fault messages (F.xx) appear, eliminate the fault after Set maximum burner anti-cycling time [min] Flow referring to the table in the appendix or using the check... -
Page 21: Preparing The Repair Work
Troubleshooting 10 10.5 Preparing the repair work Remove the return pipe (2). Decommission the product. Disconnect the product from the electrical installation. Remove the front casing. Close the gas stopcock. Close the service valves in the heating flow and in the heating return. -
Page 22: Checking The Product For Leak-Tightness
11 Inspection and maintenance 10.6.4 Replacing the main PCB 10.7 Checking the product for leak-tightness ▶ Check that the product is leak-tight. (→ Page 19) 11 Inspection and maintenance 11.1 Using original seals If you replace components, use only the enclosed original seals;... -
Page 23: Setting The Co₂ Content
Inspection and maintenance 11 11.4 Setting the CO₂ content 11.5 Removing the gas-air mixture unit Conditions: The CO₂ content must be adjusted Note The gas-air mixture unit consists of three main components: – Ventilator – Gas valve – Burner cover Switch off the product via the main switch. -
Page 24: Cleaning The Heat Exchanger
11 Inspection and maintenance 11.7 Checking the burner ▶ Check the surface of the burner for damage. If you see any damage, replace the burner. 11.8 Checking the ignition electrode Disconnect the connection (2) and the earthing cable (1). Remove the fixing screws (3). Remove the plugs from the gas valve. -
Page 25: 11.10 Installing The Gas-Air Mixture Unit
Observe all relevant regulations. 14 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 0020230535_05 ecoFIT pure Installation and maintenance instructions... -
Page 26: Appendix
Appendix 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 27: B Overview Of Diagnostics Codes
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 Reassemble the product After each time maintenance work is carried out Open the service valves, carry out the required leak-tightness test Annually... - Page 28 Appendix Setting level Values Default set- Unit Increment, select, explanation Own setting ting Min. Max. ℃ d.20 Maximum hot water set Adjustable target temperature – – d.23 Status of the heating de- Current value off = Heating off (Summer mode) mand adjustable on = Heating on...
- Page 29 Appendix Setting level Values Default set- Unit Increment, select, explanation Own setting ting Min. Max. – – d.64 Average burner ignition Current value time adjustable – – d.65 Maximum burner ignition Current value time adjustable – – – d.66 Activation of the warm off = Function deactivated Adjustable start function for hot water...
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Page 30: C Status Codes - Overview
Appendix Status codes – Overview Status code Meaning Displays in heating mode S. 0 Heating mode: No requirement S.01 Heating mode: Advance fan operation S.02 Heating mode: Pump pre-run S.03 Heating mode: Burner ignition S.04 Heating mode: Burner on S.05 Heating mode: Pump/fan overrun S.06 Heating mode: Fan overrun... -
Page 31: D Overview Of Fault Codes
Appendix Overview of fault codes Code Meaning Cause F.00 Flow temperature sensor interruption NTC plug not plugged in or has come loose, multiple plug on the PCB not plugged in correctly, interruption in cable harness, NTC defective F.01 Return temperature sensor interruption NTC plug not plugged in or has come loose, multiple plug on the PCB not plugged in correctly, interruption in cable harness, NTC defective F.10... - Page 32 Appendix Code Meaning Cause F.74 Water pressure sensor signal outside correct Line to water pressure sensor has a short circuit to 5 V/24 V or internal range (too high) fault in the water pressure sensor F.75 Fault: No pressure change detection when start- Water pressure sensor and/or pump defective, air in the heating installa- ing pump tion, insufficient water in the product;...
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Page 33: E Wiring Diagram
Appendix Wiring diagram Burner off X106 eBUS – Burner 24V= 230V~ Main PCB Gas valve assembly Interface PCB Heating pump Control system Monitoring electrode Temperature sensor on the heating flow Room thermostat Temperature sensor on the heating return Main power supply and connection for 230 V control Ignition electrode 0020230535_05 ecoFIT pure Installation and maintenance instructions... -
Page 34: F Wiring Diagram, 30 Kw
Appendix Wiring diagram, 30 kW Burner off X106 eBUS – Burner 24V= 230V~ Main PCB Gas valve assembly Interface PCB Heating pump Control system Monitoring electrode Temperature sensor on the heating flow Room thermostat Temperature sensor on the heating return Main power supply and connection for 230 V control Ignition electrode Installation and maintenance instructions ecoFIT pure 0020230535_05... -
Page 35: G Position Of The Opening In The Air/Flue Pipe
Appendix Position of the opening in the air/flue pipe D, E Positioning of the opening of a fan-supported flue gas pipe Minimum dimen- Installation site sions Directly below an opening, air bricks, opening windows, etc., that can be opened. 300 mm Above an opening, air bricks, opening windows, etc., that can be opened. -
Page 36: Horizontal Terminal Positioning
Appendix Horizontal terminal positioning BS 5440-1 recommends that fanned flue chimney terminals should be positioned as follows: a) at least 2 m from an opening in the building directly opposite, and b) so that the products of combustion are not directed to discharge directly across a boundary if the products are likely to cause a nuisance to a neighbour or discharge over a walkway or patio. -
Page 37: 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) 0020230535_05 ecoFIT pure Installation and maintenance instructions... - Page 38 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 39 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 40 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...
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Page 41: I Technical Data
Appendix Technical data Technical data – Heating VU 126/6-3 OV (H- VU 156/6-3 OV (H- VU 186/6-3 OV (H- VU 256/6-3 OV (H- 10 … 80 ℃ 10 … 80 ℃ 10 … 80 ℃ 10 … 80 ℃ Max. flow temperature adjustment range (default setting: 75 °C) Maximum permissible pressure 0.3 MPa... - Page 42 Appendix VU 306/6-3 OV (H- VU 356/6-3 OV (H- Minimum heat input – heat- 7.1 kW 7.2 kW ing (Q min.) Maximum heat input – hot 35.7 kW 35.7 kW water (Q max.) Minimum heat input – hot 7.1 kW 7.2 kW water (Q min.) Technical data –...
- Page 43 Appendix VU 306/6-3 OV (H- VU 356/6-3 OV (H- Gas category Diameter of the gas pipe 1/2 inch 1/2 inch Diameter of the heating connec- 3/4 inch 3/4 inch tions Expansion relief valve connector 15 mm 15 mm (min.) Condensate drain pipework (min.) 21.5 mm 21.5 mm G20 gas supply pressure...
- Page 44 Appendix VU 306/6-3 OV (H- VU 356/6-3 OV (H- Electric connection 230 V / 50 Hz 230 V / 50 Hz Built-in fuse (slow-blow) T2/2A, 250V T2/2A, 250V Max. electrical power consump- 44 W 50 W tion Standby electrical power con- sumption Level of protection IPX4D...
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Page 45: Index
Index Index Maintenance work ............... 22 Minimum clearance ............... 8 Air/flue pipe ................. 13 Operating concept ............... 15 Air/flue pipe, installed ............4 Power supply............... 14 Preparing the repair work ............ 21 Burner anti-cycling time............19 Preparing, repair work ............21 Calling up, fault memory............ - Page 48 0020230535_05 0020230535_05 06.06.2018 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. We reserve the right to make technical changes.