Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual
Hide thumbs
Also See for ecoTEC plus VU 446/5-5 (H-GB):
Related Manuals for Vaillant ecoTEC plus VU 446/5-5 (H-GB)
Summary of Contents for Vaillant ecoTEC plus VU 446/5-5 (H-GB)
- Page 1 ecoTEC plus VU 446/5-5 (H-GB) VU 606/5-5 (H-GB) en Installation and maintenance instructions...
-
Page 2: Table Of Contents
Installation and maintenance Calling up appliance config. and diagnostics menu..............32 instructions Running the installation assistants ...... 32 Using test programmes........33 Contents Using check programmes ........33 Descaling the water ..........33 Safety ..............4 Checking and treating the heating water/filling Intended use ............ - Page 3 Basic installation diagram ........ 66 0020253233............66 0020259030............67 Key for the basic system diagrams...... 68 Commissioning Checklist......... 69 Commissioning Flow Chart ......74 Index ................... 75 0020261389_03 ecoTEC plus Installation and maintenance instructions...
-
Page 4: Safety
– Inspection and maintenance Safety – Repair Intended use – Decommissioning The product is intended as a heat generator ▶ Proceed in accordance with current tech- for sealed heating installations and for do- nology. mestic hot water generation. ▶ Use the correct tool. Improper use of any kind is prohibited. - Page 5 the gas supply company as soon as you To prevent corrosion on the product and in are outside the building. the flue system: ▶ Ensure that the combustion air supply is 1.3.2 Flue gas free from sprays, solvents, chlorinated Flue gases may cause poisoning, while hot cleaning agents, paint, adhesives, am- flue gases may also cause burns.
-
Page 6: Regulations (Directives, Laws, Standards)
▶ Check whether a neutralising unit must be installed in accordance with national regulations. You can find a list of relevant standards at: ▶ Observe local regulations on neutralising https://www.vaillant.co.uk/standards condensate. 1.3.10 Frost To prevent material damage: ▶ Do not install the product in rooms prone to frost. -
Page 7: 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 8: Technical Data
Technical data Technical data – General VU 446/5-5 (H-GB) VU 606/5-5 (H-GB) Gas category II2H3P II2H3P Diameter of the gas pipe at the product outlet 25 mm 25 mm Diameter at the outlet of the gas compression fitting, outside thread 1"... - Page 9 Technical data – Heating VU 446/5-5 (H-GB) VU 606/5-5 (H-GB) Maximum heating flow temperature (default setting – D.71) 75 ℃ 75 ℃ 30 to 80 ℃ 30 to 80 ℃ Range for the heating flow temperature control Maximum permissible pressure (PMS) 0.35 MPa (3.5 bar) 0.35 MPa (3.5 bar) Safety discharge of expansion relief valve...
-
Page 10: Notes On The Documentation
Notes on the documentation Hot Water Association Vaillant is a full member of the Hot Water Association and ▶ Always observe all operating instructions enclosed with promotes the scheme in association with its cylinder range. the installation components. Details are available on the web site www.vaillant.co.uk ▶... -
Page 11: Product Design
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. 5.7.2 Overheating Safety The boiler software is designed to recognise the potential for an overheat lockout and will shutdown before this happens. -
Page 12: Set-Up
Set-up Dimensions Checking the scope of delivery Validity: VU 446/5-5 (H-GB) OR VU 606/5-5 (H-GB) ▶ Check that the scope of delivery is complete and intact. Number Designation Heat generator Bag of set-up parts with retainer for the wall- mounting, fastening accessories and condensate discharge hose Cardboard box for the hydraulic connection with expansion relief valve, draining cock, air... -
Page 13: Installation Site
Clearance from combustible components Stopcock in the heating Connection for the return air/flue pipe It is not necessary to maintain a clearance between the Stopcock in the heating Drain for the dynamic product and components made of combustible materials that flow air separation system go beyond the minimum clearances. - Page 14 6.7.2 Position of the air/flue terminal Validity: Great Britain OR Ireland 6.7.2.1 Positioning the terminal of a fan-supported flue system Validity: Great Britain OR Ireland Installation site Dimensions 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 15 Installation site Dimensions From a pitched roof. 400 mm In regions with heavy snowfall. 500 mm From vertical drain pipes and soil pipes. 25 mm 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.
- Page 16 Balcony/eaves Gutter The flue pipe must Adequately secured protrude beyond any overhang air/flue gas pipe You can use a plume management kit to enable the termination point to be positioned and directed away from the building fabric. Installation and maintenance instructions ecoTEC plus 0020261389_03...
-
Page 17: Using The Mounting Template
6.7.3.3 Vertical Concentric Flue ⌀ 80/125 mm (C33 6.7.3 Flue Configuration Description type installation) 6.7.3.1 Horizontal Concentric Flue ⌀ 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 sociated accessories and how to install the flue system. -
Page 18: Removing/Installing The Front Casing
6.10 Removing/installing the front casing 6.10.2 Installing the front casing 6.10.1 Removing the front casing Undo the screw (A). Push in both retaining clips (B) so that the front casing is released. Place the front casing (A) on the upper retainer (B). Pull the front casing forwards at the bottom edge (C). - Page 19 ▶ Remove the side section as shown in the illustration. 6.11.2 Installing the side section ▶ Install the side section; to do so, proceed in reverse order to how you removed it. 0020261389_03 ecoTEC plus Installation and maintenance instructions...
-
Page 20: Installation
Installation Sample system installations ▶ Use the basic installation diagrams as examples. Preparing for installation ▶ Select the basic installation diagram based upon which Make sure that the existing gas meter is capable of you want to configure your installation. ▶... - Page 21 Number for Control Number Carrying out the Number for Control Number Carrying out the the basic system of cir- wiring the basic system of cir- wiring diagram cuits diagram cuits 0020253235 VRC 700 Contact customer 0020253238 VRC 700 Inform Customer system service.
- Page 22 7.2.4 Basic system diagram type 4: Cascade Heating circuit Domestic hot water cylinder with two boilers plus one cylinder that is External pump for the connected to the boiler decoupled domestic hot water circuit The product can control a decoupled heating circuit and a decoupled domestic hot water cylinder.
-
Page 23: Selecting The Domestic Hot Water Cylinder
7.2.5 Basic system diagram type 5: Cascade Overview of diagnostics codes (Validity: VU 446/5-5 (H- GB) OR VU 606/5-5 (H-GB)) (→ Page 55) with two to seven boilers + a cylinder that is connected to the heating circuit Selecting the domestic hot water cylinder The product can control an optional domestic hot water cylin- der (recommended option for products with an output below 50 kW). -
Page 24: Checking The Gas Line For Leak-Tightness
Hydraulic connection Note In order to keep heat losses to a minimum, we recommend that you provide heat insulation for the water pipe spigots on the product's outlet and on the installation. ▶ If you are using plastic pipes in the heating installation, install a safety cut-out in the heating flow. -
Page 25: Connecting The Drainage Devices
7.8.1 Connecting the drain pipework for the expansion relief valve Connect the expansion relief valve (1) to a suitable draining circuit. Make sure that the drain hose remains open to the surrounding air. Lay drain pipework for the expansion relief valve that is as short as possible, at a downward gradient. - Page 26 ▶ 7.9.1.3 External termination to gulley or hopper Connect the condensate siphon (1). Use the supplied condensate discharge hose (2) to do this. ▶ Connect a condensate discharge pipe (21.5 mm, not in- cluded in the scope of delivery) to the condensate dis- charge hose (2).
-
Page 27: Flue Installation
IGEM / UP / 10 for the conditions regarding aerating and installing the attachment for the air/flue pipe. Ø 32mm – https://www.vaillant.co.uk Condition: Installation in damp rooms ▶ NB only combined foul/rainwater drain Connect the product to a room-sealed air/flue system. -
Page 28: Electrical Installation
▶ 7.11.2 Closing the electronics box Use the recognised rules of technology. Close the cover by pushing it downwards onto the elec- 7.10.3 Installation with flue non-return flap tronics box. When installing a flue non-return flap, you must set the min- Ensure that all of the clips audibly click into the retain- imum output in order to prevent ignition problems. - Page 29 Alternatives 1 ‒ Connecting the weather-com- 7.11.4 Establishing the power supply pensated eBUS control or eBUS room temper- Provide one common power supply for the boiler and ature control: for the corresponding control: ▶ Connect the control to the BUS plug. –...
- Page 30 7.11.7.1 Using the additional relay Connect an additional component directly to the integ- rated additional relay using the grey plug on the PCB. Carry out the wiring. (→ Page 28) Select D.026 to actuate the connected component. (→ Page 40) 7.11.7.2 Using the VR 40 (2 in 7 multi-functional module) Install the components in accordance with the respect-...
-
Page 31: Operation
Operation Operating concept The operating concept and the display and setting options of the end user level are described in the operating instructions. Calling up the installer level Only call up the installer level if you are a competent person. Navigate to Menu →... -
Page 32: Start-Up
Start-up 9.4.2 Filling the heating circuit This function is displayed but it is not yet active for this Carrying out the initial start-up product type. Validity: Great Britain OR Ireland 9.4.3 Purging the heating installation Initial start-up must be carried out by a customer service Purging (corresponds to check programme P.00) is activated technician or an authorised competent person using the automatically by the installation assistant and remains in... -
Page 33: Using Test Programmes
9.4.8 Telephone: Competent person To terminate the check programmes, you can select (Can- cel) at any time; this does not apply for initial start-up, how- You can store your telephone number in the product menu. ever. The purging cycle must be completely carried out once The end user can view the telephone number. -
Page 34: Filling The Condensate Siphon
– Sentinel X 100 Total Water hardness at specific system volume – Sentinel X 200 heating > 20 l/kW output ≤ 20 l/kW > 50 l/kW ≤ 50 l/kW Additives for frost protection intended to remain permanently in the installation °dH mol/m³... -
Page 35: Flushing The Heating Installation For The First Time ("Cold")
The purging function is automatically active after a filling procedure. 9.11 Flushing the heating installation for the first time ("cold") Validity: Great Britain OR Ireland Note The complete heating system must be flushed at least twice: Once with cold water and once with hot water in accordance with the following instructions. -
Page 36: Gas Inspection
▶ 9.13 Gas inspection Wait at least 5 minutes until the boiler has reached its operating temperature. 9.13.1 Checking the factory setting ▶ Ensure that all other gas appliances in the property are turned off. Caution. ▶ Measure the gas flow rate at the gas meter. An incorrect gas type setting may cause ▶... - Page 37 9.13.4 Checking the gas flow pressure Gas connection pressure/gas flow pressure difference for natural gas H Permitted gas flow Permitted gas flow pressure that is pressure that is measured at point measured at point VU 446/5-5 1.70 to 2.50 kPa 1.60 to 2.40 kPa (H-GB) (17.00 to...
- Page 38 Condition: Gas flow pressure in the permissible range VU 446/5-5 VU 606/5-5 (H-GB) (H-GB) ▶ End check programme P.01. ≤ 250 ppm ≤ 250 ppm CO content ▶ Allow the boiler to cool down allowing pump overrun to ≤ 0.0031 ≤...
-
Page 39: Thoroughly Flushing The Heating Installation ("Hot")
Validity: VU 606/5-5 (H-GB) Note The actual reading on the digital pressure Condition: The CO₂ content must be adjusted gauge should ideally be 0,05 MPa (0,5 bar) plus an additional pressure corresponding to the highest point of the system above the base of the boiler –... -
Page 40: Adapting The Unit To The Heating Installation
10 Adapting the unit to the heating Set maximum burner anti-cycling time (target) installation Flow ℃ To reset the most important system parameters, call up the 29.0 33.0 37.0 41.0 45.0 49.5 Appliance config. menu item. 25.5 29.5 33.0 36.5 40.5 44.0 Menu →... - Page 41 10.2.5 Setting the heating pump 10.2.5.3 Product pump curve and operating range 10.2.5.1 Pump mode setting Validity: VU 446/5-5 (H-GB) The product is equipped with a stage-controlled high-effi- ciency pump. In the automatic operating mode (D.014 = 1000 0), the pump stage is controlled in such a way that a con- stantly available pressure is guaranteed.
-
Page 42: Setting The Maintenance Interval
10.2.7 Setting the return temperature control If the product is connected to an underfloor heating system, the temperature control setting can be changed from flow temperature control (factory setting) to return temperature control using diagnostics code D.017. 10.3 Setting the maintenance interval If you set the maintenance interval, after a configurable num- ber of burner operating hours, the message that the product must be serviced appears in the display, together with the... -
Page 43: 12 Inspection And Maintenance
12 Inspection and maintenance Test Display Action programme 12.1 Complete Service Interval Record section T.04 Not active T.05 Domestic hot The domestic hot water Validity: Great Britain OR Ireland water circulation circulation pump is switched ▶ pump check on and off. After servicing, complete the relevant Service Interval Record section of the Benchmark Checklist located on T.06... - Page 44 12.7.2 Removing the compact thermal module Danger! Risk of death and risk of material damage caused by hot flue gas. The seal, heat insulation and self-locking nuts on the burner flange must not be damaged. Otherwise, hot flue gases may escape and cause personal injury and material damage.
- Page 45 – Use a plastic brush or sufficiently strong jet of water to Tightening torque: 6 Nm remove the loosened dirt. In doing so, ensure that no Reconnect the plugs (1), (2), (3), (4) and (5). spraying water reaches the other components. Do not point the jet of water directly at the insulating mat (3) on the back of the heat exchanger.
- Page 46 12.7.8 Cleaning the filter in the dynamic air Check whether the water drains correctly via the drain (B). separation system ▽ If the water does not drain correctly, clear out the draining circuit. 12.7.7 Cleaning the condensate siphon Remove the clips (1) and (3). Loosen the upper section of the pipe (2).
-
Page 47: Completing Inspection And Maintenance Work
12.7.9 Draining the product 12.8 Completing inspection and maintenance work ▶ Check the gas flow pressure. (→ Page 37) ▶ Check the CO₂ content and, if necessary, adjust it (air ratio setting). (→ Page 38) ▶ Check that the product is leak-tight. (→ Page 39) ▶... -
Page 48: Resetting The Fault Memory
Fault messages – Overview (→ Page 60) 13.9.3 Replacing the burner Remove the compact thermal module. (→ Page 44) 13.5 Resetting the fault memory ▶ To delete the fault memory, press (Delete, OK) twice. 13.6 Resetting parameters to factory settings ▶... - Page 49 Remove the retainer (2) for the gas valve assembly. To do this, undo the three screws (1). Undo the fixing screws (3) for the Venturi. Pull out the plugs (1), (2), (3), (4) and (5). Remove the Venturi (4). Undo the three screws (7) between the mixture pipe Replace the Venturi if it is defective.
- Page 50 Condition: Gas valve assembly – Carry out a leak-tightness check, check the CO2 con- tent and adjust this, if required. Condition: Venturi – Check the CO₂ content and adjust this, if required. Condition: Fan – Check the CO₂ content and adjust this, if required. 13.9.5 Replacing the heat exchanger Remove the adapter for the flue system.
- Page 51 – 13.9.6 Replace the pressure sensor Blue conductor: Heating return – Red conductor: Heating flow 13.9.8 Replacing the pump Pull out the plug for the pressure sensor. Remove the fastening clip (1). Remove the defective pressure sensor (2). Replace the pressure sensor. Fill and purge the product and, if necessary, the heat- ing installation.
-
Page 52: 14 Decommissioning
Validity: Great Britain OR Ireland Remove the main PCB. ▶ Disconnect all of the plugs from the PCB for the user For detailed information refer to www.vaillant.co.uk. interface. Force the fixing tabs (A) apart in order to loosen the PCB for the user interface. -
Page 53: 16 Customer Service
For contact details for our customer service department, you can write to the address that is provided on the back page, or you can visit www.vaillant.com. Validity: Great Britain OR Ireland For contact details for our customer service department, you can write to the address that is provided on the back page, or you can visit www.vaillant.co.uk. -
Page 54: Appendix
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 required intervals listed in the table. -
Page 55: B Overview Of Diagnostics Codes
Maintenance work Interval Reassemble the product After each time maintenance work is carried out Opening the service valves Annually Test that the product/heating installation and the domestic hot water gen- Annually eration (if required) are working correctly. If required, carry out purging Checking and, if required, correcting the position of the frost protection Annually heating elements... - Page 56 Default User-spe- Code Parameter Values or explanations setting cific setting D.017 Heating control type 0 = Flow temperature control 1 = Return temperature control D.018 Pump mode setting 1 = Comfort (continuously operating pump) 3 = Eco (intermittently operating pump) 50 to 65 ℃...
- Page 57 Default User-spe- Code Parameter Values or explanations setting cific setting −990 to 0 rpm D.051 Offset for maximum speed D.060 Number of switch-off sequences for Number of shutdowns Not ad- the safety cut-out justable D.061 Number of flame sequence control Number of unsuccessful ignitions in the last attempt Not ad- faults...
-
Page 58: C Status Codes - Overview
Default User-spe- Code Parameter Values or explanations setting cific setting D.122 Target value for the available pres- 100 to 400 mbar 200 mbar sure in the heating circuit D.123 Duration of last cylinder charging D.124 Domestic hot water cylinder in ECO Not connect. - Page 59 S.97 Water pressure sensor The self-test for the water pressure sensor is activated. self-test S.98 Flow/return temperature The self-test for the flow/return temperature sensor is activated. sensor self-test S.99 Vaillant self-test The Vaillant self-test is activated. 0020261389_03 ecoTEC plus Installation and maintenance instructions...
-
Page 60: D Fault Messages - Overview
Fault messages – Overview Code/meaning Possible cause Measure ▶ F.00 NTC plug loose/not plugged in Check the NTC plug and plug connection. ▶ Flow temperature sensor inter- NTC sensor defective Replace the NTC sensor. ruption ▶ Multiple plug loose/not plugged Check the multiple plug and plug connection. - Page 61 Code/meaning Possible cause Measure ▶ F.28 Gas flow pressure too low Check the gas flow pressure. ▶ Ignition unsuccessful The thermal isolator device has Check the thermal isolator device. been triggered ▶ Cable connections not plugged Check the cable connections. in/loose ▶...
- Page 62 Code/meaning Possible cause Measure ▶ F.61 Short circuit in the cable har- Check the cable harness. ness Gas safety valve drive fault ▶ Gas valve assembly defective Replace the gas valve assembly. ▶ PCB defective Replace the PCB. ▶ F.62 PCB defective Replace the PCB.
- Page 63 Code/meaning Possible cause Measure F.75 D.149 = 6, no feedback from Check the pump's cable harness. the pump Pump fault/water deficiency Check the main PCB. Check that the plugs are connected correctly. Check the pump's supply voltage. – ≥ 195 V Replace the pump.
-
Page 64: E Wiring Diagram
Wiring diagram Burner X100 eBUS 230V~ 1 2 3 4 Main PCB (BMU) PCB for the control element (AI) Installation and maintenance instructions ecoTEC plus 0020261389_03... - Page 65 Gas valve assembly Plug for the domestic hot water cylinder's contact (optional) Temperature sensor in the heating flow Water pressure sensor Temperature sensor in the heating return Heating pump control signal Pressure switch Control of the optional relay D.026 Control signal for the fan Power supply for the prioritising diverter valve or Plug that is enclosed with the system control (op- domestic hot water charging pump (optional)
-
Page 66: F Basic Installation Diagram
Basic installation diagram 0020253233 Installation and maintenance instructions ecoTEC plus 0020261389_03... - Page 67 0020259030 0020261389_03 ecoTEC plus Installation and maintenance instructions...
-
Page 68: Key For The Basic System Diagrams
Key for the basic system diagrams Component Meaning Heat generator Heat generator circulation pump Cylinder charging pump Circulation pump Heating pump Monovalent domestic hot water cylinder Expansion relief valve Potable water expansion relief valve Safety group – drinking water connection Heating diaphragm expansion vessel Diaphragm expansion vessel –... -
Page 69: G Commissioning Checklist
Commissioning Checklist Validity: Great Britain 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 70 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 71 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 72 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 73 0020261389_03 ecoTEC plus Installation and maintenance instructions...
-
Page 74: H Commissioning Flow Chart
Commissioning Flow Chart Validity: Great Britain 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 75: Index
Index Guarantee and Customer Service......... 7 Handing over to the end user ..........42 Heat exchanger ..............44 Additional relay..............32 Heating flow................. 24 Air ratio setting ..............38 Heating return..............24 Air separation system, filter ..........46 Air/flue pipe ................. 27 Identification plate ............... - Page 76 Serial number ..............10 Service message..............47 Service partner ..............47 Setting the CO₂ content............38 Setting the pump curve ............41 Setting the pump output ............41 Side section, installing............18 Side section, removing ............18 Spare parts................48 Status codes................
- Page 80 Supplier Vaillant Ltd. Nottingham Road Belper Derbyshire DE56 1JT Telephone 0330 100 3461 info@vaillant.co.uk www.vaillant.co.uk 0020261389_03 Vaillant Group International GmbH Berghauser Strasse 40 42859 Remscheid Tel. +492191 18 0 www.vaillant.info Publisher/manufacturer Vaillant GmbH Berghauser Str. 40 D-42859 Remscheid Tel. +492191 18 0 Fax +492191 18 2810 info@vaillant.de www.vaillant.de ©...