Switching on the product ........15 Filling the condensate siphon ......15 Checking the gas connection pressure (gas flow pressure) ............15 7.10 Checking the CO₂ content ........16 7.11 Setting the CO₂ content ........16 Installation and maintenance instructions ecoTEC plus 0020200871_00...
Grid Transco +44 (0) 800 111999 by tele- tions. phone from outside of the building. Intended use also covers installation in ac- cordance with the IP class. 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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3 mm, e.g. fuse or line protec- routed through chimneys which have tion switch). previously been used with floor-standing ▶ Secure against being switched back on oil-fired boilers, or with other boilers, again. Installation and maintenance instructions ecoTEC plus 0020200871_00...
1.3.15 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. 0020200871_00 ecoTEC plus Installation and maintenance instructions...
2H, G20 - 20 mbar Factory setting for type of gas and gas (2 kPa) connection pressure Cat. Approved gas category Condensing techno- Efficiency class of the boiler in accord- logy ance with EC Directive 92/42/EEC Installation and maintenance instructions ecoTEC plus 0020200871_00...
▶ If required, get somebody to assist you in this. 4.1.2 Unloading the box from the delivery van ▶ It is recommended that two people lift the unit together. 0020200871_00 ecoTEC plus Installation and maintenance instructions...
Wall-mount the product as described. Conditions: The load-bearing capacity of the wall is not sufficient ▶ Ensure that wall-mounting apparatus on-site has a suf- ficient load-bearing capacity. Use individual stands or primary walling, for example. Installation and maintenance instructions ecoTEC plus 0020200871_00...
If non-diffusion-tight plastic pipes are used in never both side sections at the same time. the heating installation, this may cause air to enter the heating water and corrosion of the heat generation circuit and the boiler. 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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. Installation and maintenance instructions ecoTEC plus 0020200871_00...
Ensure that the rated mains voltage is 230 V. Set up a fixed connection and install a partition with a ▶ contact opening of at least 3 mm (e.g. fuses or power Follow the instructions in the specified sequence. switches). 0020200871_00 ecoTEC plus Installation and maintenance instructions...
Status codes – Overview (→ Page 28) Safety thermostat for eBUS controller or radio floor-standing heating receiver unit 24 V controller Outside temperature sensor, wired Open the electronics box. (→ Page 11) Carry out the wiring. (→ Page 11) Installation and maintenance instructions ecoTEC plus 0020200871_00...
The installation assistant will close and will not launch Filling mode (check programme P.06) is activated automatic- again when the product is next switched on. ally in the installation assistant for as long as the filling mode appears on the display. 0020200871_00 ecoTEC plus Installation and maintenance instructions...
If the value is below 6.5 or above 8.5, clean the system the components, noises in heating mode and and treat the heating water. possibly subsequent damage. ▶ Do not use any unsuitable frost and cor- rosion protection agents, biocides or seal- ants. Installation and maintenance instructions ecoTEC plus 0020200871_00...
(2). Remove the float (3). Fill the lower section of the siphon with water up to 10 mm below the upper edge of the condensate drain pipework. Re-insert the float (3). 0020200871_00 ecoTEC plus Installation and maintenance instructions...
If this is the case, inform Vaillant Customer Service. If the gas connection pressure lies outside Secure the covering cap. the permissible range, this can cause oper- Install the front casing.
If you do not use cer- To prevent frequent switching on and off of the burner and tified Vaillant original spare parts for maintenance or repair thus prevent energy losses, an electronic restart lockout work, this voids the conformity of the product.
Make sure that the seal (5) is free from damage. ▽ If necessary, replace the seal. Remove the plugs from the gas valve. Remove the gas-air mixture unit. Remove both burner seals from the burner cover. 10. Remove the burner (4). Installation and maintenance instructions ecoTEC plus 0020200871_00...
Remove the burner. (→ Page 15) Install the new burner complete with new seal on the Check the CO₂ content. (→ Page 16) heat exchanger. Install the gas-air mixture unit. (→ Page 19) 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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Remove the return pipe (2). Remove the gas pipe. Open the electronics box. (→ Page 11) Pull all of the plugs out from the PCB. Undo the clips on the PCB. Remove the PCB. Installation and maintenance instructions ecoTEC plus 0020200871_00...
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. Vaillant Service Solutions: 03 30 100‑31 43 0020200871_00 ecoTEC plus Installation and maintenance instructions...
8 = eBUS remote control (not active) 9 = Legionella protection pump (not active) 10 = Solar valve (not active) ¹Fault lists are only displayed, and can only be deleted, if faults have occurred. 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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8 = eBUS remote control (not active) 9 = Legionella protection pump (not active) 10 = Solar valve (not active) ¹Fault lists are only displayed, and can only be deleted, if faults have occurred. Installation and maintenance instructions ecoTEC plus 0020200871_00...
Heating control off = Flow temperature Adjustable on = Return temperature (adjustment for underfloor heating. If you have ac- tivated the return temperature control, the automatic heating output determ- ination function is not active.) 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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Correction of the min- 3000 Adjustable imum fan speed Fan speed = Display value x 10 d.51 Correction of the max- -2500 -1000 Adjustable imum fan speed Fan speed = Display value x 10 Installation and maintenance instructions ecoTEC plus 0020200871_00...
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Software versions 1 = Main PCB Adjustable 2 = Interface PCB – – – – d.96 Reset to factory setting 0 = No Adjustable 1 = Yes ℃ d.128 Heating minimum target Adjustable value 0020200871_00 ecoTEC plus Installation and maintenance instructions...
Automatic test programme: Return temperature sensor, heating demands blocked. S.98 Automatic test programme: Return temperature sensor, heating demands blocked. S.99 Internal automatic test programmes S.108 Purging the combustion chamber, fan in operation S.109 Product's standby mode activated Installation and maintenance instructions ecoTEC plus 0020200871_00...
Flow temperature sensor signalling constant value: – Flow temperature sensor incorrectly positioned at supply pipe – Flow temperature sensor defective Flow/return NTC temperature difference too great → flow and/or return F.72 Flow/return NTC fault temperature sensor defective 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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Unsuitable pump connected, PWM plug not plugged in or has come loose, multiple plug on the PCB not plugged in correctly, interruption in cable harness, electronics defective No communication with the PCB Communication fault between display and PCB in the electronics box Installation and maintenance instructions ecoTEC plus 0020200871_00...
– Burner 24V= 230V~ Main PCB Gas valve Interface PCB Monitoring electrode Control system Room thermostat Temperature sensor in the heating flow Main power supply Temperature sensor in the heating return Ignition electrode 0020200871_00 ecoTEC plus Installation and maintenance instructions...
– Burner 24V= 230V~ Main PCB Gas valve Interface PCB Monitoring electrode Control system Room thermostat Temperature sensor in the heating flow Main power supply Temperature sensor in the heating return Ignition electrode Installation and maintenance instructions ecoTEC plus 0020200871_00...
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 0020200871_00 ecoTEC plus Installation and maintenance instructions...
For IE, recommendations are given in the current issue of the IS 813. Opening of the flue pipe below eaves and balconies Balcony/eaves Gutter The flue pipe must Adequately secured protrude beyond any overhang air/flue gas pipe Installation and maintenance instructions ecoTEC plus 0020200871_00...
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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 Installation and maintenance instructions ecoTEC plus 0020200871_00...
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SERVICE 06 ² % ² % ² % ² % SERVICE 07 SERVICE 08 ² % ² % ² % ² % SERVICE 09 SERVICE 10 ² % ² % ² % ² % 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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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. Installation and maintenance instructions ecoTEC plus 0020200871_00...
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) 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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Product dimensions, width 375 mm 375 mm 375 mm 375 mm Product dimensions, depth 280 mm 280 mm 280 mm 280 mm Product dimensions, height 600 mm 600 mm 600 mm 600 mm Installation and maintenance instructions ecoTEC plus 0020200871_00...
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(30%) at 40/30 °C NOx class Product dimensions, width 375 mm Product dimensions, depth 280 mm Product dimensions, height 600 mm Net weight 23 kg Weight when filled with water 28 kg 0020200871_00 ecoTEC plus Installation and maintenance instructions...
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VU 306/6-5 OV (H- GB) ecoTEC plus Electric connection 230 V / 50 Hz Built-in fuse (slow-blow) T2/2A, 250V Max. electrical power consump- 60 W tion Standby electrical power con- sumption Level of protection IPX4D Installation and maintenance instructions ecoTEC plus 0020200871_00...
Installation site............... 4 Installer level, calling up ............12 Installing the front casing............9 Installing the side section ............9 Intended use................3 Language ................13 Mains connection ..............11 Maintenance work ............17, 22 0020200871_00 ecoTEC plus Installation and maintenance instructions...