Related Manuals for Vaillant ecoTEC VU
Summary of Contents for Vaillant ecoTEC VU
- Page 1 Installation and maintenance instructions For the competent person Installation and maintenance instructions ecoTEC VU, VUW Channel Islands...
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Page 2: Table Of Contents
Table of contents BEFORE PROCEEDING - ENSURE BOILER IS CORRECT FOR GAS GROUP SUPPLIED! Table of contents Notes on the documentation ........4 Hydraulic installation ..........21 Storing documents ............4 Preparing for installation ..........21 Symbols used ..............4 Connecting the hot and cold water (VUW boiler) ..22 Applicability of the instructions ........4 Connecting the domestic hot water cylinder ..22 Identification plate ............4... - Page 3 Filling the boiler and the heating installation ..55 16.1 Factory guarantee ............68 12.2.2 Draining the boiler ............55 16.2 Vaillant Service .............. 68 12.2.3 Draining the entire heating installation ....55 12.3 Carrying out maintenance work ........ 55 Technical data .............. 69 12.3.1...
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Page 4: Notes On The Documentation
Notes on the documentation Identification plate The following instructions are intended to guide you The identification plate of the Vaillant ecoTEC is attached throughout the entire documentation. Further documents to the underside of the boiler in the factory. apply in combination with these installation and mainte- The article number of the gas fired wall hung boiler can be nance instructions. -
Page 5: Type Overview
Notes on the documentation Type overview Designated coun- Unit type try (designation in Approval ecoTEC accordance with category ISO 3166) GB (Great Britain) 22 (VU GB 226/5-3) 2H3P IE (Ireland) GB (Great Britain) 26 (VUW GB 266/5-3) 2H3P IE (Ireland) 1.2 Type overview Installation and maintenance instructions ecoTEC 0020173113_01... -
Page 6: Safety
Safety Safety Intended use The Vaillant ecoTEC boilers are constructed using state-of- the-art technology in accordance with recognised safety Safety and warning information rules and regulations. Nevertheless, there is still a risk of injury or death to the operator or others or of damage to >... -
Page 7: General Requirements
Safety > Do not use sprays, solvents, chlorinated cleaning agents, The current ETCI Regulations for installing electrical equip- ment must also be observed. paint, adhesives or similar substances in the vicinity of the boiler. Installation and settings Under unfavourable circumstances, these substances may In the following cases, the boiler must be operated only cause corrosion. -
Page 8: Installation Site
Safety – BS 6981 Installation of low pressure gas pipework of up must be designed and constructed specifically for this pur- to 35 mm in domestic premises. pose. (An existing cupboard or compartment may be used – BS 4814 Specification for: Expansion vessels using an provided that it is modified for the purpose). -
Page 9: Air Supply
Vaillant accepts no liability for the compatibility of any addi- sary water fittings regulations. See related documents tive or its effectiveness in the rest of the heating installa- above (ref BS 6700 and new BSEN 806 parts 1 - 5 plus BS tion. -
Page 10: Pressure Relief Valve
For situations where the discharge cannot be easily routed – Fernox Antifreeze Alphi 11 Vaillant have a remote pressure relief valve mounting kit – Sentinel X 500 available which can be used to provide a suitable way to achieve this. -
Page 11: Description Of The Appliance
Description of the appliance Description of the appliance Design 3.1 Functional elements of the VU system boiler 3.2 Functional elements of the VUW combination boiler Gas valve Gas valve Water pressure sensor Water pressure sensor Heat exchanger Heat exchanger Connection for the air/flue gas duct Connection for the air/flue gas duct Expansion vessel Expansion vessel... -
Page 12: Installation
CORRECT FOR GAS GROUP SUPPLIED! by 65 mm. Scope of delivery The work described in this section must only be carried out by a competent person. The Vaillant ecoTEC is delivered pre-mounted in a packag- ing unit. Accessories 4.2.1 Unpacking the boiler 4.1.1... -
Page 13: Disposing Of The Packaging
Montageschablone Enclosure documentation Bags with parts Transporting the appliance 4.2 Scope of delivery for ecoTEC VU boiler Important: With regards to the Manual Handling Operations, 1992 Reg- ulations, the following lift operation exceeds the recom- mended weight for a one man lift. - Page 14 Installation > If removing boiler from truck straddle the load and tilt Unpacking of appliance from carton. > Recommend 2 persons unpack appliance from carton. forwards to facilitate secure grip. > Ensure safe lifting techniques are used – keep back >...
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Page 15: Requirements For The Installation Site
Installation > Always use assistance if required. flooring, lighting and other factors, and appropriate > Recommend wear suitable cut resistant gloves with good measures taken. grip to protect against sharp edges and ensure good grip when handling appliance. Requirements for the installation site Positioning of Appliance for Final Installation –... - Page 16 Installation – The position of the connections. – The position of the wall breakthrough of the air/flue gas duct. Position the installation template vertically over the instal- lation site. > Attach the template to the wall, using tacks for example. >...
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Page 17: Dimension Drawing And Connection Measurements
Installation Dimension drawing and connection measurements 4.4 Connection measurements in mm Wall breakthrough for air/flue gas duct 2 Hanging bracket 3 Heating flow (Æ 22 x 1.5) 4 Hot water connection (Æ 15 x 1.5) 5 Gas connection (Æ 15 x 1.5) 6 Cold water connection (Æ... -
Page 18: Wall-Mounting The Boiler
Installation Wall-mounting the boiler Removing/fitting the front casing Danger! Risk of death if the load-bearing capacity of the fixing elements used is insuffi- cient! If the fixing elements or wall do not have sufficient load-bearing capacity, the boiler can come loose and fall down. This may also cause leaks in the gas line, which is potentially fatal. -
Page 19: Removing/Fitting The Side Panel
Installation > Unscrew the two screws (2.) from the top and bottom of Removing/fitting the side panel the side panel. > Hold onto the side panel (3.) when doing this. You can also remove a side panel for installation or mainte- >... -
Page 20: Gas Installation
Gas installation Gas installation Caution. Risk of damage caused by using the wrong type of gas and by improper start- The work described in this section must only be carried out by a competent person. The boiler is specially designed ex-works for the types of gas that are used on the Preparing for installation Channel Islands. -
Page 21: Hydraulic Installation
The Vaillant ecoTEC boiler is equipped with an 8 l expan- or around the building. This may be out- sion vessel with a gas-side filling pressure of 0.075 MPa side or to a suitable open drain in the (0.75 bar), which is suitable for a closed heating system... -
Page 22: Connecting The Hot And Cold Water (Vuw Boiler)
Hydraulic installation Connecting the hot and cold water (VUW Connecting the heating flow and heating boiler) return 6.4.1 VUW boiler 6.1 Fitting the hot and cold water connection > Make the domestic hot and cold water connections as shown. > Ensure correct water pressure and flow requirements 6.2 Fitting the heating flow and heating return (VUW boiler) and that any expansion can be accommodated with the >... -
Page 23: Low Loss Header
Hydraulic installation > Connect the condensate discharge (1) of the boiler to a Low loss header condensate discharge pipework (3) which has a minimum A low loss header disconnects the boiler from the heating internal diameter of 19 mm (22 mm outside diameter for system. - Page 24 > Note that the end of the line must be visible. > If the pipe cannot fall to a safe discharge point then the Vaillant remote pressure relief valve mounting kit can be used to provide a suitable way to achieve this.
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Page 25: Flue Gas Installation
Risk of death and risk of damage from use of non-approved air/flue gas ducts! Vaillant boilers are certified only with gen- uine Vaillant air/flue gas ducts. The use of other accessories can cause personal injury and material damage as well as operating faults. -
Page 26: Flue Termination
Flue gas installation 7.4 Scope of delivery for the vertical air/flue gas duct Article number 303200 Flue termination The following details refer to all flue systems. The terminal must be positioned such that the prod- ucts of combustion can disperse freely at all times. A plume of water vapour will sometimes be visible from the flue terminal. - Page 27 Flue gas installation D, E 7.5 Termination of the air/flue gas duct Minimum BS 5440–1 It is recommended that the fanned flue terminal Location dimensions should be positioned as follows: Directly below an opening, air brick, opening win- at least 2 m from an opening in the building directly 300 mm dows, etc.
- Page 28 Flue gas installation 7.6 Termination of air/flue gas duct under balcony or eaves Installation and maintenance instructions ecoTEC 0020173113_01...
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Page 29: Electrical Installation
Electrical installation Electrical installation Preparing for installation Danger! Risk of death from electric shock! Touching live connections can cause seri- ous personal injury. > Switch off the power supply. > Secure the power supply against being switched on again. Danger! Risk of electrocution as a result of an improper electrical connection! An improper electrical connection may neg-... -
Page 30: Connecting The Controller
Electrical installation Caution. Risk of damage caused by incorrect installation. A mains voltage at the incorrect plug termi- nals on the ProE system can destroy the electronics. > Only connect the mains connection cable to the terminals marked for the purpose. Caution. -
Page 31: Connecting Controllers To The Electronic System
> Shorten the supply lines as necessary. You can connect additional components to the ecoTEC > Only strip the outer sheathing of flexible cables to a using the Vaillant multi-functional module 2 in 7 (accesso- maximum of 3 cm. ries). -
Page 32: Connection Wiring Diagrams
Electrical installation Connection wiring diagrams Display Connection Diverter valve Water pressure sensor blue Impeller sensor Warm start sensor orange Flow sensor Return sensor blue Safety fuse pink Gas valve Circulation pump remote control External sensor Flow sensor (optional) Edge DCF connection connector Earth Earth... - Page 33 Electrical installation Display Connection Water pressure sensor blue Flow sensor Return sensor blue Safety fuse pink Gas valve Circulation pump remote control External sensor Flow sensor (optional) Edge DCF connection connector Earth Earth Contact thermostat/burner off X106 24 V DC room thermostat Bus connection (Controller/room th.
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Page 34: Operation
Operation Operation Calling up the installer level The Vaillant ecoTEC pro boiler is fitted with a digital infor- Caution. mation and analysis system (DIA). You can use the DIA to Risk of damage caused by incorrect display the current status of your boiler (Live monitor) and handling. -
Page 35: Commissioning
Commissioning Commissioning 10.2 Using test programs At the time of commissioning, complete all relevant sec- You can call up the test programs for the commissioning tions of the benchmark checklist found within the back (¬ section 9.2). pages of this document. Ensure that the filling and purging programs P.06 and P.00 By activating various test programs, you can trigger special have been allowed to run fully before the boiler is ignited... -
Page 36: Preparing The Heating Water
Commissioning domestic hot water side. (Alternative methods of filling sealed systems are given in BS 5449) P.00 To ensure the correct operation of the heating installation, the indicator on the pressure gauge must point to the 1,0 bar upper half of the grey area or in the middle of the bar graph display (marked by the dashed limit value) when the heating installation is cold. -
Page 37: Purging The Heating System
Commissioning > In order to fill the heating installation, first open the cold > Check whether all thermostatic radiator valves and both water valve. service valves on the boiler are open. > Open all thermostatic radiator valves. > Connect a hose to the drain valve that is located at the >... -
Page 38: Filling The Condensate Trap
Commissioning 10.8 Filling the condensate trap Danger! Risk of poisoning from escaping flue gas! An empty or insufficiently filled condensate trap may allow flue gas to escape into the room air. > Fill the condensate trap with water before starting up the boiler. 10.4 Installing the flow restrictor >... -
Page 39: Adjusting The Boiler To The Gas Used On The Channel Islands
Commissioning 10.10 Adjusting the boiler to the gas used on the Channel Islands The gas ratio can only be correctly set if the gas flow pres- sure is within the permissible tolerances at the same time. For this reason, the two measurements are taken at the same time. -
Page 40: Checking For Tightness Of The Flue Gas Installation And Flue Gas Recirculation
Service Solutions (0870 6060 777) and proceed as fol- higher than allowed in ¬ table 10.3, call lows: > Take the boiler out of operation by the Vaillant Service Solutions (0870 6060 777). – terminating test program P.01 as described in ¬ sec- > Do not start up the boiler! tion 10.2. -
Page 41: Checking The Gas Flow Rate
If the measured gas flow rate lies outside the tolerance lim- > Make absolutely sure that the front casing is properly its specified in ¬ table 10.4, do not operate the boiler and inform the Vaillant Service Solutions (0870 6060 777). fitted. > Check the heating mode (¬ section 10.13.1) >... -
Page 42: Checking The Heating Mode
Commissioning You can display the current operating condition of the If the cylinder is being charged correctly, status code “S.24” boiler in the "Live monitor" on the boiler display (¬ sec- appears in the display. tion 13.2.1). S.24 10.13.1 Checking the heating mode >... -
Page 43: Adapting The Boiler To The Heating Installation
Adapting the boiler to the heating installation Adapting the boiler to the heating installation You can find all setting options in the diagnostic codes in the installer level (¬ section 9.2). 11.1 Diagnosis codes – Overview You can use the parameters that are marked as adjustable in ¬... - Page 44 Adapting the boiler to the heating installation Factory Your own Code Parameters Adjustable values setting setting D.000 Heating partial load Adjustable heating partial load in kW Auto Auto: Boiler automatically adjusts max. partial load to cur- rent system demand D.001 Overrun time of internal pump for 1 - 60 min 5 min...
- Page 45 Pump type Not relevant Not adjustable D.047 Outside temperature (with weather- Actual value in °C Not adjustable controlled Vaillant controller) D.050 Offset for minimum speed In rpm, setting range: 0 to 3000 Nominal value set in factory D.051 Offset for maximum speed...
- Page 46 Adapting the boiler to the heating installation Factory Your own Code Parameters Adjustable values setting setting D.067 Remaining burner anti-cycling time In minutes Not adjustable D.068 Unsuccessful ignitions at 1st attempt Number of unsuccessful ignitions Not adjustable D.069 Unsuccessful ignitions at 2nd attempt Number of unsuccessful ignitions Not adjustable D.070...
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Page 47: Setting The Heating Partial Load
Setting the heating partial load 11.1.5 Burner anti-cycling time The heating partial load of the Vaillant ecoTEC boiler is fac- Setting the burner anti-cycling time tory-set to "auto". This means that the boiler independently determines the optimum heating output depending on the To prevent frequent switching on and off of the burner and current heat demand of the system. -
Page 48: Setting The Maintenance Interval
Adapting the boiler to the heating installation Set maximum burner anti-cycling time [min] (target) Feed [°C] 10.0 15.0 20.0 25.0 30.0 35.0 40.0 45.0 50.0 55.0 60.0 14.0 18.5 23.0 27.5 32.0 36.5 41.0 45.0 50.0 54.5 12.5 16.5 20.5 25.0 29.0 33.0... -
Page 49: Handing Over The Boiler To The Operator
It is strongly recommended that a maintenance contract be taken out to ensure regular maintenance. Important information is available from Vaillant Service Solutions (0870 6060 777). > Complete the benchmark Benchmark gas boiler commis- sioning checklist which is found at the end of these instructions. -
Page 50: Inspection And Maintenance
Danger wear. Risk of injury and risk of damage to prop- erty due to neglected inspection and You must carry out an annual inspection of the Vaillant maintenance! ecoTEC. Neglected inspection and maintenance The annual inspection can be effectively performed without... -
Page 51: Safety Instructions
> When removing any water carrying components ensure For an overview of the available original Vaillant spare parts, contact the Vaillant sales office on 0870 6060 777. that water is kept away from all electrical components. During any inspection and maintenance or after change of... -
Page 52: Adjusting The Co 2 Concentration (Or The Air Ratio)
Inspection and maintenance 12.1 Measuring the CO concentration The boiler is fitted with a flue gas analysis point (1). A suitable flue gas analyser can be con- nected to this point to establish the combustion performance of the boiler. > Remove the front casing (¬ section 4.7). >... - Page 53 > If you are not able to adjust the boiler correctly and the flue gas values remain higher than allowed in ¬ table 12.1, call the Vaillant Service Solutions (0870 6060 777). > Do not start up the boiler! Installation and maintenance instructions ecoTEC 0020173113_01...
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Page 54: Inspection And Maintenance Work Steps
Inspection and maintenance 12.2 Inspection and maintenance work steps Column 1 Column 2 Inspection must Maintenance No. Activity be carried out must be car- each year ried out at reg- ular intervals Check the air flue gas installation for leaks and for proper fixation and ensure it is not blocked or damaged and is fitted correctly, complying with the relevant installation instruc- tions. -
Page 55: Filling The Boiler And The Heating Installation
Inspection and maintenance 12.2.1 Filling the boiler and the heating The compact thermal module consists of five main compo- installation nents: Speed-regulated fan A description of how to fill the boiler and the heating instal- Gas/air mixture fitting lation is provided in ¬ section 10.5. Gas supply (mixture pipe) to the premix burner Burner door Premix burner... -
Page 56: Cleaning The Heat Exchanger
Inspection and maintenance > Remove the compact thermal module (¬ section 12.3.1). 12.5 Cleaning the heat exchanger Caution. Risk of damage to the heat exchanger. > You should neither loosen nor tighten 12.4 Removing the compact thermal module the four screws (1). The plug on the fan motor has a latching lug >... -
Page 57: Cleaning The Condensate Trap
Inspection and maintenance As the burner (1) is maintenance-free, it does not require cleaning. > Check the surface of the burner for damage. > If necessary, replace the burner. 12.3.4 Cleaning the condensate trap Danger! Risk of death caused by improper main- tenance. -
Page 58: Installing The Compact Thermal Module
Inspection and maintenance 12.3.6 Installing the compact thermal module Danger! Risk of death and risk of damage caused by hot flue gas! If you do not renew the seal and the self- locking nuts on the burner door, hot flue gases may escape and cause personal injury and material damage. -
Page 59: Checking The Gas Flow Pressure
Inspection and maintenance ing installation, ideally with nitrogen, otherwise with air. Ensure drain valve on boiler is open during topping up. > If water escapes from the measuring stub pipes (1) of the expansion vessel, you must replace the expansion vessel. 12.4 Checking the gas flow pressure >... -
Page 60: Troubleshooting
(0870 6060 777) S.11 DHW mode, fan start-up S.13 DHW mode, ignition > If you contact Vaillant Service Solutions (0870 6060 S.14 DHW mode, burner on 777) or your Vaillant service partner, if possible, please S.15 DHW mode, pump/fan overrun mention S.16... -
Page 61: Service Messages
> If you are unable to remedy the fault and the fault reoc- curs despite having carried out several resets, contact Vaillant Service Solutions (0870 6060 777). 13.2.7 Querying the fault memory The boiler has a fault memory. ¬ section 9.2 describes how you can call up the fault memory. -
Page 62: Overview Of Fault Codes
Troubleshooting 13.2.9 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 63: Running Test Programs
Troubleshooting Code Meaning Cause F.68 Unstable flame signal fault Air in gas, gas flow pressure too low, wrong air ratio, condensate route blocked, wrong gas restrictor, ionisation flow interruption (cables, elec- trodes), flue gas recirculation, condensate route F.70 Invalid device specific number (DSN) Spare part case: Display and PCB changed at the same time and appliance code not reset F.71... -
Page 64: Replacing Components
The work described in this section must only be carried out by a competent person. > Only use genuine Vaillant spare parts for repairs . For an overview of the available original Vaillant spare parts, contact the Vaillant sales office on 0870 6060 777. -
Page 65: Replacing The Expansion Vessel
Replacing components > Remove the plug from the gas valve (7, ¬ fig. 14.2). The plug on the fan motor has a latching lug with which it engages in the slot. You have to release the latching lug by pushing it in to pull off the plug. -
Page 66: Replacing The Heat Exchanger
Replacing components > Fill and purge the boiler and, if necessary, the system after installing the new expansion vessel (¬ sec- tion 10.5). > On completion of the work, check for water leaks. 14.5 Replacing the heat exchanger Caution. Risk of damage to the heat exchanger. >... -
Page 67: Replacing The Pcb And/Or The Display
Replacing components 14.6 Replacing the PCB and/or the display The electronics are now set to the appliance type and the parameters of all adjustable diagnosis codes are set to default settings. Danger! > Make the system-specific settings (¬ section 11). Risk of death from electric shock! Mains connection terminals L and N remain live even if the continuous voltage on/off... -
Page 68: Decommissioning
> Drain the heating installation fully. Registering with us Registration is simple. Just complete the Guarantee Regis- tration Card and return to Vaillant within 30 days of instal- lation. Your details will then be automatically registered within the Vaillant scheme. -
Page 69: Technical Data
Technical data Technical data ecoTEC Unit 22 (VU GB 226/5-3) 26 (VUW GB 266/5-3) Nominal heat output range P at 50/30 °C 7.1 - 23.8 Nominal heat output range P at 80/60 °C 6.4 - 22.4 Maximum heat output for hot water generation 27.2 Maximum heat input for hot water generation 27.8... -
Page 70: Glossary
Digital information and Analysis system (DIA) An air/flue gas duct is a line system with two separate flow The Vaillant ecoTEC boiler is fitted with a digital informa- channels. The flue gas is routed into separate chambers at tion and analysis system (DIA). If additional settings are... -
Page 71: Appendix
Appendix Appendix Installation, Commissioning and Service Record Installation and maintenance instructions ecoTEC 0020173113_01... - Page 72 P lease affix the label from the Appendix rear cover of the control box over this area. Installation and maintenance instructions ecoTEC 0020173113_01...
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Page 73: Service Interval Record
SERVICE INTERVAL RECORD 0020008345-06 It is recommended that your heating system is serviced regularly and that you complete the appropriate Service Interval Record Below . Service Provider. Before completing the appropriate Service Interval Record below, please ensure you have carried out the service as described in the boiler manufacturer ’s instructions. -
Page 74: Index
Index Index Accessories..................12 eBUS ....................70 Air/flue gas duct ..............25, 70 Air/flue system ................25 Article numbers ................4 Fault codes ................61, 62 Fault memory ................61 Filling Burner .................... 56 Condensate trap ..............38 Burner anti-cycling time ..........47, 60, 70 Heating installation ............... - Page 75 Index Overview Test programs ................35 Inspection and maintenance work ........54 Type overview ................. 5 Parameters ............... 44, 45, 46 Read-off and setting options ..........34 Status codes ................60 Water pressure ..............37, 60 Water pressure sensor ..........37, 60, 62 Wiring diagram ................
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