Table of Contents
For the competent person
Installation and maintenance instructions
Publisher/manufacturer
Vaillant GmbH
Berghauser Str. 40
D-42859 Remscheid
Tel. +49 21 91 18‑0
Fax +49 21 91 18‑2810
www.vaillant.de
Installation and maintenance instructions
ecoFIT pure
612 - 630
GB, IE
Table of Contents
loading

Summary of Contents for Vaillant ecoFIT pure

  • Page 1 Installation and maintenance instructions For the competent person Installation and maintenance instructions ecoFIT pure 612 - 630 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

    Technical data............ 44 Switching on the product ........15 Index ................... 48 Filling and purging the heating installation ..16 Filling the condensate siphon ......16 Filling the hot water circuit ........16 Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 3: Safety

    ▶ Do not use any electrical switches, mains plugs, doorbells, telephones or other com- munication systems in the building. ▶ If it is safe to do so, close the emergency control valve or the main isolator. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 4 (electrical partition with a contact opening ▶ If you are installing the product in of at least 3 mm, e.g. fuse or line protec- hairdressing salons, painter's or joiner's tion switch). workshops, cleaning businesses or similar Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 5: Regulations (Directives, Laws, Standards)

    1.4.13 Risk of material damage caused by using an unsuitable tool ▶ Use the correct tool to tighten or loosen screw connections. Regulations (directives, laws, standards) ▶ Observe the national regulations, stand- ards, guidelines and laws. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 6: Notes On The Documentation

    For quality control purposes; 5th and 6th Benchmark digits = week of production For identification purposes; 7th to 16th Vaillant is a licensed member of the Benchmark Scheme. digits = product article number Benchmark places responsibilities on both manufacturers For quality control purposes; 17th to 20th and installers.
  • Page 7: Functional Elements: Pure Boiler

    Purge hose Heat generator Gas valve Heating pump Hanging bracket Air intake pipe Bypass Flexible condensate drain pipework 3/4" seals 1/2" seals Service valve Gas isolator cock Connection pipe (heating flow and return) 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 8: Dimensions

    Gas connection Connection on the top Heating return of the air/flue pipe Check whether the wall has sufficient load-bearing ca- pacity to bear the operational weight of the product. Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 9: Removing/Installing The Front Casing

    (1), one from the top and one from the bottom. Lift the front casing upwards from the bracket. Tilt the side section to the outside and move it down- wards and out. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 10: Installation

    Purge the gas line before start-up. Check whether the connections (→ Page 18) are leak- tight. Caution. Risk of material damage due to heat trans- fer during soldering. Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 11: Connecting The Drain Line For The Expansion Relief Valve

    During installation remove all burs from inside of cut pipe work and avoid excessive adhesive which may trap small pockets of water close to the pipe wall which can freeze and build into a larger ice plug. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 12 24 V controller Outside temperature switches). sensor, wired Provide one common electricity supply for the boiler Open the electronics box. (→ Page 11) and for the corresponding controller: Carry out the wiring. (→ Page 12) Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 13: Operation

    Status codes – Overview (→ Page 31) tions. An overview of the display and setting options in the installer level can be found in the section "Overview of the installer level". (→ Page 13) 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 14: Using Check Programmes

    Before filling the system, measure the hardness of the filling and supplementary water. Treating the filling and supplementary water ▶ Observe all applicable national regulations and technical standards when treating the filling and supplementary water. Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 15: Avoiding Danger Arising From Insufficient Water Pressure

    ▶ When using additives, follow the manufacturer's instruc- tions without exception. We accept no liability for the compatibility of any additive or its effectiveness in the rest of the heating system. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 16: Filling And Purging The Heating Installation

    Ensure that all other gas appliances in the property are turned off. ▶ Measure the gas flow rate at the gas meter. ▶ Compare the measured values with the corresponding values in the table. Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 17: Checking And Adjusting The Gas Settings

    With the boiler operating at full load check that the gas inlet working pressure at the reference test point (2) complies with the requirements. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 18: Checking Leak-Tightness

    Wait until the value that is read is stable. installation – Waiting period for reading a stable value: 5 min You can reset/change the system parameters. Overview of diagnostics codes (→ Page 28) Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 19: Burner Anti-Cycling Time

    22.5 10.5 11.5 13.0 14.5 15.5 17.0 10.0 11.0 11.5 1000 1200 8.1.2 Resetting the remaining burner anti-cycling Remaining feed head Max. PWM time [mbar] Min. PWM Flow rate [l/h] ▶ Press 18s: 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 20: Setting The Bypass Valve

    Flow rate [l/h] ▶ Ensure that the operator is familiar with all of the Anti-legionella measures in order to comply with the applicable regulations regarding legionella prevention. ▶ Set the hot water temperature. Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 21: Handing The Product Over To The Operator

    ▶ To delete the entire fault list, navigate to diagnostics code D.094 in the installer level. ▶ Set the diagnostics code to 1, and confirm by pressing Remove the gas pipe (1). 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 22 Connect the pump cable to the electronics box. 10.5.5 Replacing the expansion vessel Drain the product. (→ Page 27) 11. Remove the clip underneath the condensate tray (1). 12. Undo the four screws (2). Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 23 Install the new PCB in such a way that it clicks into the groove at the bottom and into the clip at the top. Plug in the PCB plugs. Close the electronics box. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 24: Checking The Product For Leak-Tightness

    To increase the CO₂ content: Turn anti-clockwise ◁ To decrease the CO₂ content: Turn clockwise ▶ Only carry out the adjustment in increments of 1/8 turn and wait approximately 1 minute after each adjustment until the value has stabilised. Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 25: Removing The Gas-Air Mixture Unit

    Close the gas isolator cock. Remove the front casing. (→ Page 9) Remove the air intake pipe (3). Remove the plugs from the gas valve (4) and from the fan (5). Remove the gas-air mixture unit (6). 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 26: Cleaning The Heat Exchanger

    Disconnect the connection (2) and the earthing cable (1). Remove the fixing screws (3). Carefully remove the electrode from the combustion chamber. Check that the electrode ends (4) are undamaged. Check the electrode distance. Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 27: 11.12 Draining The Product

    Drain the product. (→ Page 27) 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 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 28: Appendix

    = Flow temperature Adjustable on = Return temperature (ad- justment for underfloor heating. If you have activated the return temperature control, the auto- matic heating output determina- tion function is not active.) Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 29 – d.33 Fan speed target value Current value Fan speed = Display value x 100 adjustable – d.34 Value for the fan speed Current value Fan speed = Display value x 100 adjustable 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 30 "Technical data" 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 → Section "Technical data" Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 31: B Status Codes - Overview

    Displays in hot water handling mode S.10 Hot water handling mode: Requirement S.11 Hot water handling mode: Advance fan operation S.13 Hot water handling mode: Burner ignition S.14 DHW mode: Burner on S.15 DHW mode: Pump/fan overrun 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 32: C Overview Of Fault Codes

    Short circuit: Cylinder temperature NTC sensor defective, short circuit in the cable harness, cable/casing F.91 sensor F.13 Short circuit: Domestic hot water cylinder NTC sensor defective, short circuit in the cable harness, cable/casing temperature sensor Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 33 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 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 34 F.89 Fault: Pump Pump not connected or it is connected incorrectly, incorrect pump connec- ted, short circuit in the cable harness Connection No communication between the PCB Electronics defective and the user interface Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 35: D Connection Diagram: Pure Boiler

    230Vac Main PCB Pressure sensor Interface PCB External ignition device Temperature sensor in the heating flow Heating pump Temperature sensor in the heating return Ionisation and ignition electrode Main power supply Gas valve 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 36: E Connection Diagram: Pure Boiler (30 Kw)

    RT 230Vac 230Vac Main PCB Gas valve Interface PCB Pressure sensor Control system Ionisation electrode Temperature sensor in the heating flow Heating pump Temperature sensor in the heating return Ignition electrode Main power supply Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 37: F Inspection And Maintenance Work - Overview

    Check the product for gas, flue gas, water and condensate leaks, and repair if necessary. Record the inspection/maintenance work carried out. *Note: For those appliances which are not part of an annual service agreement/policy, maintenance must be carried out at least every 5 years. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 38: G Opening In The Flue Pipe

    300 mm Horizontal from adjacent windows on pitched or flat roofs 600 mm Above adjacent windows on pitched or flat roofs 600 mm Below adjacent windows on pitched or flat roofs 2,000 mm Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 39: Horizontal Terminal Positioning

    300 mm is preferred. For 1 and 2 above you can use a flue gas management kit to enable the termination point to be positioned and directed away from the building fabric. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 40: 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) Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 41 Optimum start control Fitted Fitted Fitted Fitted ALL SYSTEMS CENTRAL HEATING MODE mbar mbar COMBINATION BOILERS ONLY DOMESTIC HOT WATER MODE mbar OR mbar Temperature CONDENSING BOILERS ONLY ALL INSTALLATIONS Ratio ² Ratio ² 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 42 SERVICE 06 ² % ² % ² % ² % SERVICE 07 SERVICE 08 ² % ² % ² % ² % SERVICE 09 SERVICE 10 ² % ² % ² % ² % Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 43 Ensure test points are capped, boiler case is correctly replaced and all other commissioning procedures are completed. Complete Benchmark Checklist, recording CO and combustion ratio readings as required. 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 44: I Technical Data

    40/30 °C Effective output range (P) 7.5 … 31.8 kW at 50/30 °C Effective output range (P) 7.2 … 30.5 kW at 80/60 °C Domestic hot water heat 7.1 … 35.0 kW output (P) Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 45 Product dimensions, height 700 mm 700 mm 700 mm 700 mm Net weight 31 kg 31 kg 31 kg 32 kg Weight when filled with water 35 kg 35 kg 35 kg 36 kg 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 46 T2/2A, 250V T2/2A, 250V T2/2A, 250V T2/2A, 250V Max. electrical power consump- 75 W 81 W 87 W 87 W tion Standby electrical power con- sumption Level of protection IPX4D IPX4D IPX4D IPX4D Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 47 Appendix VU 306/6-3 (H-GB) Electric 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 Level of protection IPX4D 0020230533_01 ecoFIT pure Installation and maintenance instructions...
  • Page 48: Index

    High-efficiency pump............19 High-efficiency pump output..........19 Identification plate ..............6 If you smell gas ..............3 Inspection work ............. 24, 37 Installation site............... 4 Installer level ............... 13 Installer level, calling up ............13 Installation and maintenance instructions ecoFIT pure 0020230533_01...
  • Page 52 0020230533_01 0020230533_01 25.10.2016 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.

Table of Contents