Vaillant ecoFIT pure Series Installation And Maintenance Instructions Manual
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- Page 1 ecoFIT pure 612 - 630 en Installation and maintenance instructions...
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Page 2: Table Of Contents
Installation and maintenance Avoiding danger arising from insufficient water pressure............... 28 instructions Flushing the heating installation for the first time ("cold") ............28 Contents Filling and purging the heating installation ..28 Filling the domestic hot water circuit....29 Safety ..............3 Checking the gas setting ........ -
Page 3: Safety
Safety Qualification The person carrying out the work described Intended use here must have completed professional train- The product is intended as a heat generator ing. The competent person must demon- for closed heating installations and for do- strably have all of the knowledge, skills and mestic hot water generation. - Page 4 ▶ Do not use any electrical switches, mains To prevent electric shocks, proceed as fol- plugs, doorbells, telephones or other com- lows before working on the product: munication systems in the building. ▶ Disconnect the product from the power ▶ Close the emergency control valve or the supply by switching off all power supplies main isolator.
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Page 5: Regulations (Directives, Laws, Standards)
List of relevant standards for Great Britain and Ireland ▶ Observe the national regulations, stand- ards, directives, ordinances and laws. You can find a list of relevant standards at: https://www.vaillant.co.uk/standards 0020230533_06 ecoFIT pure Installation and maintenance instructions... -
Page 6: Guarantee And Customer Service
To register your Vaillant appliance visit: https://self-service.vaillant.co.uk/warranty-registration Vaillant is a licensed member of the Benchmark Scheme. Benchmark places responsibilities on both manufacturers and installers. The purpose is to ensure that customers are provided with the correct equipment for their needs, that it is installed, commissioned and serviced in accordance with the manufacturer’s instructions by a competent person approved at the time by the Health and... -
Page 7: Technical Data
Technical data Technical data – General VU 126/6-3 (H-GB) VU 156/6-3 (H-GB) VU 186/6-3 (H-GB) VU 256/6-3 (H-GB) Gas category Diameter of the gas pipe 1/2 inch 1/2 inch 1/2 inch 1/2 inch Diameter of the heating connec- 3/4 inch 3/4 inch 3/4 inch 3/4 inch... - Page 8 VU 306/6-3 (H-GB) Condensate discharge pipe (min.) 21.5 mm G20 gas supply pressure 2.0 kPa (20.0 mbar) Gas flow at P max. – hot water 3.8 m³/h (G20) Gas flow at P max. – heating mode 3.2 m³/h (G20) Gas flow at P min. (G20) 0.762 m³/h CE number (PIN) CE-0063CP3646...
- Page 9 VU 126/6-3 (H-GB) VU 156/6-3 (H-GB) VU 186/6-3 (H-GB) VU 256/6-3 (H-GB) Maximum heat input – hot 15.3 kW 18.4 kW 25.7 kW 30.6 kW water (Q max.) Minimum heat input – hot 4.5 kW 4.5 kW 5.0 kW 6.1 kW water (Q min.) VU 306/6-3 (H-GB) Maximum heat output...
- Page 10 VU 306/6-3 (H-GB) Electrical connection 230 V / 50 Hz Built-in fuse (slow-blow) T2/2A, 250V Max. electrical power consump- 104 W tion Standby electrical power con- sumption IP rating IPX4D Installation and maintenance instructions ecoFIT pure 0020230533_06...
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Page 11: Notes On The Documentation
Nominal heating load range in hot water Hot Water Association handling mode Vaillant is a full member of the Hot Water Association and Max. flow temperature max. promotes the scheme in association with its cylinder range. NOx class for the product Details are available on the web site www.vaillant.co.uk... -
Page 12: Functional Elements: System Boiler
Reset any external controls, to resume normal operation of the central heating. If the boiler does not resume normal operation press the reset button. If the boiler does not resume normal operation after this call your Installation/Servicing company or Vaillant service. Installation and maintenance instructions ecoFIT pure 0020230533_06... -
Page 13: Set-Up
Set-up Dimensions Checking the scope of delivery ▶ Check that the scope of delivery is complete and intact. Number Designation Heat generator Unit mounting bracket Flexible condensate discharge pipe 3/4" seals 1/2" seals Service valve Gas stopcock Connection pipe (heating flow and return) Gas pipe Drain pipe for the Pressure relief valve Mounting template... -
Page 14: Installation Site
Installation site Air/flue pipe 6.6.1 Regulation This boiler is not suitable for outdoor installation. This boiler may be installed in any room. However if the boiler is being Different flue outlet configurations can be carried out. installed in a room containing a bath or shower it must only be installed in zones 2 or 3. - Page 15 6.6.2 Position of the air/flue terminal 6.6.2.1 Positioning the terminal of a fan-supported flue system Dimen- Installation site sions Adjacent to a boundary. 300 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang.
- Page 16 Dimen- Installation site sions Below eaves. 200 mm Below gutters, pipe and drains. 75 mm The dimension below eaves, balconies and car ports can be reduced to this value, as long as the flue terminal is 25 mm extended to clear any overhang. External flue joints must be sealed with suitable silicon sealant. Above adjacent ground or balcony.
- Page 17 6.6.3.3 Vertical Concentric Flue ⌀ 60/100 mm or 6.6.3 Flue Configuration Description ⌀ 80/125 mm (C33 type installation) 6.6.3.1 Horizontal Concentric Flue ⌀ 60/100 mm or ⌀ 80/125 mm (C13 type installation) Gasket (fitted) Consult the separate installation manual for air/flue gas sys- Note tems supplied with your appliance for all possibilities and as- If the terminal is at less than 1.80 m from the...
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Page 18: Using The Mounting Template
Removing/installing the front casing Boiler Final storey Inspection hatch Ground floor 6.9.1 Front casing, removing Note The flue connecting from the appliance to the flue system must be supplied from the manufacturer of the boiler. C43 flue systems must not be a 'pressurised sys- tem' but act under natural draught principles. - Page 19 6.10.2 Installing the side section ▶ Refit the components in the reverse order. 0020230533_06 ecoFIT pure Installation and maintenance instructions...
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Page 20: Installation
Installation Gas and water connections Preparing for installation ▶ Make sure that the existing gas meter is capable of passing the rate of gas supply required. ▶ Consider the maximum heat output given in DHW mode. ▶ Install the following components: –... -
Page 21: Connecting The Condensate Discharge Pipe
Connecting the condensate discharge pipe 7.6.1.1 Direct Connection to internal soil and vent stack Ø22mm ▶ Follow the instructions listed here and observe the legal Preferred option and local regulations on condensate discharge. ▶ Use PVC or any other material that is suitable for drain- 7.6.1.2 Direct connection to external soil and vent ing the non-neutralised condensate. - Page 22 7.6.1.7 External termination into rain water down Preferred option for external termination pipe 7.6.1.5 External termination into soakaway Ø32mm ≤ 3 m ≤ 3 m < 500 mm Ø22mm 100 mm Ø 32mm Ø12 NB only combined foul/rainwater drain 7.6.1.8 Additional methods of introducing air breaks Ground (either/or) Bottom of sealed tube Seal...
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Page 23: Flue Installation
Flue installation 7.8.3 Cable route 7.7.1 Installing and connecting the air/flue pipe You can find out which air/flue pipes may be used by consulting the enclosed set-up instructions for the air/flue system. Observe the information on positioning the air/flue ter- minal. - Page 24 7.8.5 Establishing the power supply 230V~ Carry out the wiring. (→ Page 23) 10. Close the electronics box. Observe all valid regulations. 11. Make sure that access to the power supply is always Ensure that the nominal mains voltage is 230 V. available and is not covered or blocked.
- Page 25 Condition: When connecting a control (230 V). 230V~ ▶ Connect the control to the main plug. ▶ Remove the bridge from the 24V=RT plug. Close the electronics box. 0020230533_06 ecoFIT pure Installation and maintenance instructions...
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Page 26: Operation
Operation Live Monitor (status codes) Menu → Live monitor Operating concept Status codes in the display provide information on the pro- The operating concept and the display and setting facilities duct's current operating status. of the operator level are described in the operating instruc- Status codes –... -
Page 27: Start-Up
Start-up Total Water hardness at specific system volume heating > 20 l/kW output ≤ 20 l/kW Carrying out the initial start-up > 50 l/kW ≤ 50 l/kW Initial start-up must be carried out by a customer service mol/ mol/ mol/ technician or an authorised competent person using the CaCO₃... -
Page 28: Filling The Condensate Trap
Additives for frost protection intended to remain Avoiding danger arising from insufficient permanently in the installation water pressure – Adey MC ZERO The filling pressure must be between 0.10 and 0.15 MPa – Fernox Antifreeze Alphi 11 (1.0 and 1.5 bar). –... -
Page 29: Filling The Domestic Hot Water Circuit
If you discover unusual levels of CO or CO in the sup- ply air, search for the leak in the flue system or for signs of flue gas recirculation. Eliminate the damage properly. Check again whether the supply air contains any unusal levels of CO or CO If you cannot eliminate the damage, do not start up the product. -
Page 30: Thoroughly Flushing The Heating Installation ("Hot")
▶ Undo the sealing screw on the test nipple (2). Record the appliance gas inlet working pressure (kPa resp. mbar) in the Benchmark gas boiler commissioning Connect a manometer to the test nipple (2). checklist. Open the gas stopcock (1). Start up the product with check programme P.01 (sys- 9.9.4 Checking the CO₂... -
Page 31: Checking Leak-Tightness
Note Set maximum burner anti-cycling time [min] Flow (tar- The actual reading on the digital pressure get) gauge should ideally be 0,05 MPa (0,5 bar) [°C] plus an additional pressure corresponding 12.5 16.5 20.5 25.0 to the highest point of the system above the base of the boiler –... -
Page 32: Setting The Bypass Valve
1000 1000 1200 Remaining feed head Max. PWM Remaining feed head Max. PWM [mbar] [mbar] Min. PWM Min. PWM Flow rate [l/h] Flow rate [l/h] 15s: 30s: 1000 1400 1000 1200 Remaining feed head Max. PWM Remaining feed head Max. PWM [mbar] [mbar] Min. -
Page 33: Setting The Domestic Hot Water Temperature
▶ Inform the end user that they must not store or use explo- Position of the adjusting Notes/application sive or highly flammable substances (such as petrol, pa- screw per or paint) in the installation room of the product. If the radiators do not heat ▶... -
Page 34: 12 Inspection And Maintenance
12 Inspection and maintenance 12.5 Setting the CO₂ content Condition: The CO₂ content must be adjusted 12.1 Complete Service Interval Record section ▶ After servicing, complete the relevant Service Interval Record section of the Benchmark Checklist located on the inside back pages of this document. 12.2 Using original seals If you replace components, use only the enclosed original... -
Page 35: Cleaning The Heat Exchanger
10. Remove the burner seals (7) and the burner (8). 11. Check the burner and the heat exchanger for damage and dirt. 12. If necessary, clean or replace the components accord- ing to the following sections. 13. Install the two new burner seals. 12.7 Cleaning the heat exchanger Remove the screw (1). -
Page 36: 12.10 Cleaning The Condensate Trap
– 12.12 Draining the product Clearance for the ignition electrodes: 3.5 to 4.5 mm Make sure that the seal (5) is free from damage. Close the service valves of the product. ▽ If necessary, replace the seal. Start check programme P.05. Overview of the check programmes (→... -
Page 37: Calling Up And Clearing The Fault Memory
13.2 Calling up and clearing the fault memory 13.5 Replacing defective components 13.5.1 Replacing the burner The last 10 fault messages are stored in the fault memory. ▶ Call up the installer level. (→ Page 26) Remove the gas-air mixture unit. (→ Page 34) ▶... - Page 38 13.5.4 Replacing the pump head Remove the upper clip (1). Disconnect the pump cables from the electronics box. Remove the lower clip (3). Undo the four screws (1). 10. Remove the return pipe (2). Remove the pump head (2). Replace the O-ring. Use four screws to secure the new pump head.
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Page 39: Checking The Product For Leak-Tightness
13.5.6 Replacing the PCB 13.5.8 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). 13.5.9 Replace the pressure sensor Open the electronics box. (→ Page 23) Pull all of the plugs out from the PCB. -
Page 40: 15 Recycling And Disposal
15 Recycling and disposal Disposing of the packaging ▶ Dispose of the packaging correctly. ▶ Observe all relevant regulations. ▶ For detailed information refer to www.vaillant.co.uk. Installation and maintenance instructions ecoFIT pure 0020230533_06... -
Page 41: 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 42: B Overview Of Diagnostics Codes
Maintenance work Interval Checking the pre-charge pressure of the expansion vessel at regular intervals Reassemble the product After each time maintenance work is carried out Open the service valves, carry out the required leak-tightness test Annually Fill the product/heating installation to the filling pressure specified for the Annually system Connect the product to the electrical installation... - Page 43 Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – – d.16 Status of the 24 V room Current value off = Heating off thermostat adjustable on = Heating on – – – d.17 Heating control off = Flow temperature...
- Page 44 Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code – d.31 Automatic filling device 0 = Manual Adjustable 1 = Semi-automatic 2 = Automatic – d.33 Fan speed target value Current value Fan speed = Display value x 100 adjustable –...
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Page 45: C Status Codes - Overview
Dia- Values Default set- gnostics Parameter Unit Increment, select, explanation Own setting ting Min. Max. code K d.73 Correction of the hot wa- Adjustable ter warm start temperat- d.75 Maximum cylinder re- Adjustable heating time – – – d.77 Max. cylinder reheating Adjustable →... -
Page 46: D Overview Of Fault Codes
Status code Meaning S.10 Domestic hot water mode: Requirement S.11 Domestic hot water mode: Fan prerun S.13 Domestic hot water mode: Burner ignition S.14 DHW mode: Burner on S.15 DHW mode: Pump/fan overrun 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... - Page 47 Fault code Meaning Possible cause F.12 and Short circuit: Cylinder temperature NTC sensor defective, short circuit in the cable harness, cable/housing F.91 sensor F.13 Short circuit: Domestic hot water cylinder NTC sensor defective, short circuit in the cable harness, cable/housing temperature sensor F.20 Safety shutdown: Overheating temperat-...
- Page 48 Fault code Meaning Possible cause F.83 Fault: Dry fire When the burner starts, the temperature change registered at the flow or 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 F.84 Fault: Flow/return temperature sensor...
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Page 49: E Wiring Diagram: System Boiler
Wiring diagram: system boiler Burner off RT 24V X106 eBUS – Burner 24V= 230V~ RT 230Vac 230Vac Main PCB Pressure sensor Interface PCB External ignition transformer Temperature sensor on the heating flow Heating pump Temperature sensor on the heating return Ionisation and ignition electrode Main power supply and connection for 230 V control Gas valve assembly... -
Page 50: F Wiring Diagram: System Boiler (30 Kw)
Wiring diagram: system boiler (30 kW) Burner off X106 eBUS – Burner 24V= 230V~ RT 230Vac 230Vac Main PCB Gas valve assembly Interface PCB Pressure sensor Control system Ionisation electrode Temperature sensor on the heating flow Heating pump Temperature sensor on the heating return Ignition electrode Main power supply and connection for 230 V control Installation and maintenance instructions ecoFIT pure 0020230533_06... -
Page 51: G Commissioning Checklist
Commissioning Checklist Benchmark Commissioning & Warranty Validation Service Record It is a requirement that the boiler is installed and commissioned to the manufacturers’ instructions and the data fields on the commissioning checklist completed in full. To instigate the boiler warranty the boiler needs to be registered with the manufacturer within one month of the installation. - Page 52 GAS BOILER SYSTEM COMMISSIONING CHECKLIST & WARRANTY VALIDATION RECORD Address: Boiler make and model: Boiler serial number: Commissioned by (PRINT NAME): Gas Safe registration number: Company name: Telephone number: Company email: Company address: Commissioning date: Heating and hot water system complies with the appropriate Building Regulations? Time, temperature control and boiler interlock provided for central heating and hot water Boiler Plus requirements (tick the appropriate box(s)) Weather compensation...
- Page 53 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER Date: SERVICE/INTERIM WORK ON BOILER...
- Page 54 SERVICE & INTERIM BOILER WORK RECORD It is recommended that your boiler and heating system are regularly serviced and maintained, in line with manufacturers’ instructions, and that the appropriate service / interim work record is completed. Service provider When completing a service record (as below), please ensure you have carried out the service as described in the manufacturers’ instructions. Always use the SERVICE/INTERIM WORK ON BOILER Date: SERVICE/INTERIM WORK ON BOILER...
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Page 55: H Commissioning Flow Chart
Commissioning Flow Chart 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... -
Page 56: Index
Index Installer level ............... 26 Installer level, calling up ............26 Intended use................3 Air intake pipe, removing............. 34 Air/flue pipe, horizontal wall duct......... 17 Kammerbelüftung ..............14 Air/flue pipe, installing ............23 Leak-tightness ............... 31, 39 Air/flue pipe, type C13 ............17 Air/flue pipe, type C33 ............ - Page 60 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT Telephone 0330 100 3461 info@vaillant.co.uk www.vaillant.co.uk 0020230533_06 Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +492191 18 0 Fax +492191 18 2810 info@vaillant.de 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.