Installation and maintenance instructions for the competent person gb, ie installation and maintenance instructions ecotec plus vu vuw.
Table of contents 2 installation and maintenance instructions ecotec plus 0020116700_01 table of contents 1 notes on the documentation .....................................4 1.1 storing documents ..........................................................4 1.2 symbols used ..............................
Table of contents 3 installation and maintenance instructions ecotec plus 0020116700_01 10.7 filling and purging the heating installation ............41 10.7.1 filling the heating installation .................................. 42 10.7.2 purging the heating system ......................................
Notes on the documentation 4 installation and maintenance instructions ecotec plus 0020116700_01 1 1 notes on the documentation the following instructions are intended to guide you throughout the entire documentation. Further documents apply in combination with these installation and mainte- nance i...
Notes on the documentation installation and maintenance instructions ecotec plus 0020116700_01 5 1 – directive 2006/95/ec of the council with amendments "directive concerning electrical equipment for use within specific voltage limits" (low voltage directive) – directive 2004/108/ec of the council w...
6 installation and maintenance instructions ecotec plus 0020116700_01 a safety a 2 2 safety 2.1 safety and warning information > when installing the ecotec plus, take account of the general safety instructions and the warning notes that appear before all of the actions. 2.1.1 classification of warni...
Installation and maintenance instructions ecotec plus 0020116700_01 7 a safety a 2 only ie: the installation must comply with the current ver- sion of i.S.813 "domestic gas installations" and the current building regulations. The current etci regulations for installing electrical equip- ment must al...
8 installation and maintenance instructions ecotec plus 0020116700_01 a safety a 2 2.5 general requirements 2.5.1 related documents to ensure the safe installation and continued satisfactory operation of your appliance, all works shall be carried out by a competent installer fully conversant with th...
Installation and maintenance instructions ecotec plus 0020116700_01 9 a safety a 2 provided that it is modified for the purpose). Details of essential features of cupboard/compartment design includ- ing airing cupboard installations are given in bs 6891. In ie the current edition of is 813. I if the...
10 installation and maintenance instructions ecotec plus 0020116700_01 a safety a 2 the boiler is suitable for minibore and microbore systems. Water lines are to be copper pipes in accordance with bs 2871, part 1. These must be thoroughly cleaned, espe- cially when connecting a new boiler to an exis...
Installation and maintenance instructions ecotec plus 0020116700_01 11 a safety a 3 tems, is preset to 3 bar and is fitted with a 15 mm compres- sion connection for the discharge pipe, whose diameter must not be less than 15 mm. The pressure relief valve must not be used for draining purposes. 2.5.9...
Description of the appliance 12 installation and maintenance instructions ecotec plus 0020116700_01 3 3 description of the appliance design 6 7 8 9 12 10 11 13 14 16 5 4 1 2 3 15 3.1 functional elements of the vu system boiler key 1 gas valve 2 water pressure sensor 3 venturi with mass flow sensor 4...
Installation installation and maintenance instructions ecotec plus 0020116700_01 13 4 4 installation i before proceeding - ensure boiler is correct for gas group supplied! The work described in this section must only be carried out by a competent person. 4.1 accessories 4.1.1 controller to control t...
Installation 14 installation and maintenance instructions ecotec plus 0020116700_01 4 item quantity description 1 1 wall bracket 2 1 boiler 3 1 lower cover 4 4 supply pipes (gas, heating, expansion relief valve) 5 3 service valves 6 1 installation template 7 1 enclosure printed matter 8 3 bag with s...
Installation installation and maintenance instructions ecotec plus 0020116700_01 15 4 > if removing boiler from truck straddle the load and tilt forwards to facilitate secure grip. > ensure safe lifting techniques are used – keep back straight – bend using legs. > do not twist – reposition feet inst...
Installation 16 installation and maintenance instructions ecotec plus 0020116700_01 4 > always use assistance if required. > recommend wear suitable cut resistant gloves with good grip to protect against sharp edges and ensure good grip when handling appliance. Positioning of appliance for final ins...
Installation installation and maintenance instructions ecotec plus 0020116700_01 17 4 – the position of the fixing holes for the hanging bracket. – the position of the connections. – the position of the wall breakthrough of the air/flue gas duct. Position the installation template vertically over th...
Installation 18 installation and maintenance instructions ecotec plus 0020116700_01 4 4.5 dimension drawing and connection measurements 72 0 20 35 35 62 4 b 180 12 5 12 5 100 100 440 a 2 1 8 3 4 5 6 7 7 9 10 6 3 4 5 11 4.4 connection measurements in mm key 1 wall breakthrough for air/flue gas duct 2...
Installation and maintenance instructions ecotec plus 0020116700_01 19 4 installation 4.6 wall-mounting the boiler a 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 boil...
Installation 20 installation and maintenance instructions ecotec plus 0020116700_01 4 4.8 removing/fitting the side section you can also remove a side section for installation or main- tenance purposes. B caution. Risk of damage caused by mechanical tension. Removing both side sections may cause mec...
Gas installation installation and maintenance instructions ecotec plus 0020116700_01 21 5 5 gas installation the work described in this section must only be carried out by a competent person. 5.1 preparing for installation a danger! Risk of death from incorrectly installed gas system! An incorrect g...
Hydraulic installation 22 installation and maintenance instructions ecotec plus 0020116700_01 6 6 hydraulic installation the work described in this section must only be carried out by a competent person. 6.1 preparing for installation a danger! Risk of death caused by an incorrectly installed system...
Hydraulic installation installation and maintenance instructions ecotec plus 0020116700_01 23 6 6.2 connecting the hot and cold water (vuw boiler) 1 2 3 4 5 6 7 6.1 fitting the hot and cold water connection > make the water connections as shown. 6.3 connecting the domestic hot water cylinder > when ...
Hydraulic installation 24 installation and maintenance instructions ecotec plus 0020116700_01 6 to the discharge pipe. This minimises the risk of the dis- charge pipe freezing up. 7 d soakaway c 6 5 gulley a internal stackpipe 3 4 3 b internal discharge system 11 2 3 6.4 condensate discharge pipewor...
Flue gas installation installation and maintenance instructions ecotec plus 0020116700_01 25 7 7 flue gas installation 7.1 air/flue gas duct a danger! Risk of death and risk of damage from use of non-approved air/flue gas ducts! Vaillant boilers are system-certified only in combination with genuine ...
Flue gas installation 26 installation and maintenance instructions ecotec plus 0020116700_01 7 7.2 flue termination the following details refer to all flue systems. A. The terminal must be positioned such that the prod- ucts of combustion can disperse freely at all times. B. A plume of water vapour ...
Flue gas installation installation and maintenance instructions ecotec plus 0020116700_01 27 7 location minimum dimensions a directly below an opening, air brick, opening win- dows, etc. 300 mm b above an opening, air brick, opening window, etc. 300 mm c horizontally to an opening, air brick, openin...
Electrical installation 28 installation and maintenance instructions ecotec plus 0020116700_01 8 8 electrical installation 8.1 preparing for installation e danger! Risk of death from electric shock! Touching live connections can cause seri- ous personal injury. > switch off the power supply. > secur...
Electrical installation installation and maintenance instructions ecotec plus 0020116700_01 29 8 b 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 ...
Electrical installation 30 installation and maintenance instructions ecotec plus 0020116700_01 8 8.4.2 connecting controllers to the electronic system b caution. Risk of damage caused by incorrect installation. Connecting wires that have been stripped too far can cause short circuits and damage the ...
Electrical installation installation and maintenance instructions ecotec plus 0020116700_01 31 8 > to start up the connected components, select the com- ponents using diagnosis code "d.026" at installer level (¬ section 11.1). 8.5.2 connect vr 40 – "2 from 7" multi- functional module you can connect...
Electrical installation 32 installation and maintenance instructions ecotec plus 0020116700_01 8 8.7 connection diagrams circulation pump remote control 1 dcf connection earth earth external sensor external temperature sensor 6 internal pump * pump pwm signal ignition electrode ignition unit bus con...
Electrical installation installation and maintenance instructions ecotec plus 0020116700_01 33 8 circulation pump remote control 1 dcf connection earth earth external temperature sensor flow sensor (optional) 6 internal pump * pump pwm signal ignition electrode ignition unit bus connection (controll...
Electrical installation 34 installation and maintenance instructions ecotec plus 0020116700_01 8 circulation pump remote control 1 dcf connection earth earth external sensor external temperature sensor 6 pump pwm signal ignition unit bus connection (controller/room th. Digital) m + x25 7 8 5 3 11 10...
Electrical installation installation and maintenance instructions ecotec plus 0020116700_01 35 8 circulation pump remote control 1 dcf connection earth earth external sensor external temperature sensor 6 pump pwm signal ignition unit bus connection (controller/room th. Digital) + 2 4 v pw m ea rt h ...
Operation 36 installation and maintenance instructions ecotec plus 0020116700_01 9 9 operation the vaillant ecotec plus boiler is fitted with a digital infor- mation and analysis system (dia). If additional settings are required, which have not been configured using the installa- tion assistant, you...
Operation installation and maintenance instructions ecotec plus 0020116700_01 37 9 9.2 overview of the menu structure menu installer level reset burner off time information back select appliance config. Test programmes installer level fault list back select function menu gas type check test programm...
Operation 38 installation and maintenance instructions ecotec plus 0020116700_01 9 target flow temp. Appliance config. Dhw temperature comfort mode back select comfort operation comfort on cancel ok appliance config. Testprogramme diagnosis menu installer level back select appliance config. Start in...
Start-up installation and maintenance instructions ecotec plus 0020116700_01 39 10 10 start-up a danger! Risk of poisoning and burns caused by escaping hot flue gas! Hot flue gas can escape and cause poison- ing and burns if the boiler is operated with an incompletely mounted or open air/flue gas du...
Start-up 40 installation and maintenance instructions ecotec plus 0020116700_01 10 10.2.5 hot water temperature use the minus button and the plus button to set the hot water temperature. Confirm your setting with ok. 10.2.6 comfort mode use the minus button and the plus button to enable or disa- ble...
Start-up installation and maintenance instructions ecotec plus 0020116700_01 41 10 display meaning p.00 1) purging test program the heating circuit and the hot water circuit are purged using the automatic air vent (the cap of the automatic air vent must be released). 1 x right selector button: start...
Start-up 42 installation and maintenance instructions ecotec plus 0020116700_01 10 > remove the front casing from the boiler (¬ section 4.7). 1 10.2 automatic air vent > release the cap of the automatic air vent (1) by up to two rotations. > open all thermostatic radiator valves. I the ecotec plus p...
Start-up installation and maintenance instructions ecotec plus 0020116700_01 43 10 > check the pressure in the heating system and top up with water if necessary. > close the filling valve and the cold water valve. 10.8 avoiding low water pressure to prevent damage to the heating installation caused ...
Start-up 44 installation and maintenance instructions ecotec plus 0020116700_01 10 10.11 checking the gas setting b caution. Risk of damage caused by an unauthor- ised setting. Modifications to the gas pressure regulator on the gas valve can destroy the gas valve and cause operating faults on the bo...
Start-up installation and maintenance instructions ecotec plus 0020116700_01 45 10 1 2 10.6 flue gas and air measure points legend: 1 flue gas measure point 2 air measure point for checking the system for recirculation use the air meas- ure point (2). > use the flue gas analyser. > if you detect any...
Start-up 46 installation and maintenance instructions ecotec plus 0020116700_01 10 1 2 10.7 measuring the gas inlet working pressure > undo the sealing screw of the measuring nipple (1) (lower screw) at the gas valve using a screwdriver. > connect a digital pressure gauge or u-tube manometer (2) to ...
Start-up installation and maintenance instructions ecotec plus 0020116700_01 47 10 > start up the boiler in accordance with the relevant oper- ating instructions. If you have still not successfully completed the installation assistant and subsequently confirmed this, it will be restarted when you sw...
Start-up 48 installation and maintenance instructions ecotec plus 0020116700_01 10 s.24 dhw mode burner on back 10.11 display during cylinder charging (vu boilers only) > if you have connected the controller for the heating installation using a two-wire ebus line, then set the hot water temperature ...
Adapting the boiler to the heating installation installation and maintenance instructions ecotec plus 0020116700_01 49 11 11 adapting the boiler to the heating installation the installation assistant is started when the boiler is switched on for the first time (¬ section 10.2). If you have already f...
Adapting the boiler to the heating installation 50 installation and maintenance instructions ecotec plus 0020116700_01 11 code parameters adjustable values factory setting your own setting d.000 heating partial load adjustable heating partial load in kw auto: boiler automatically adjusts max. Partia...
Adapting the boiler to the heating installation installation and maintenance instructions ecotec plus 0020116700_01 51 11 code parameters adjustable values factory setting your own setting d.026 auxiliary relay control circulation pump external pump cylinder charging pump extractor hood external sol...
Adapting the boiler to the heating installation 52 installation and maintenance instructions ecotec plus 0020116700_01 11 code parameter adjustable values factory setting your own setting d.060 number of temperature limiter shut- downs number of shutdowns not adjustable d.061 number of ignition devi...
Adapting the boiler to the heating installation installation and maintenance instructions ecotec plus 0020116700_01 53 11 code parameter adjustable values factory setting your own setting d.091 status dcf with external sensor con- nected no reception reception synchronised valid not adjustable d.093...
Adapting the boiler to the heating installation 54 installation and maintenance instructions ecotec plus 0020116700_01 11 eco (intermittently operating pump) pump operating mode eco is the factory setting. This pump operating mode is useful for removing residual heat after hot water generation when ...
Adapting the boiler to the heating installation installation and maintenance instructions ecotec plus 0020116700_01 55 11 reset remaining burner anti-cycling time you have two options to reset the remaining burner anti- cycling time: 1st option menu ¬ reset burner anti-cycling time the current burne...
Adapting the boiler to the heating installation 56 installation and maintenance instructions ecotec plus 0020116700_01 11 position of the setting screw pressure in mpa (mbar) notes/application right-hand stop (turned all the way down) 35.0 (350) if the radiators do not get properly hot in the factor...
Inspection and maintenance installation and maintenance instructions ecotec plus 0020116700_01 57 12 12 inspection and maintenance 12.1 inspection and maintenance intervals a danger ! Risk of injury and risk of damage to prop- erty due to neglected inspection and maintenance! Neglected inspection an...
Inspection and maintenance 58 installation and maintenance instructions ecotec plus 0020116700_01 12 during any inspection and maintenance or after change of parts of the combustion circuit, the following must be checked: – the boiler has been installed in accordance with the rele- vant installation...
Inspection and maintenance installation and maintenance instructions ecotec plus 0020116700_01 59 12 i 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 casi...
Inspection and maintenance 60 installation and maintenance instructions ecotec plus 0020116700_01 12 settings unit natural gas (h) propane co 2 after 5 minutes full load mode with boiler front casing fitted vol.–% 7.8 - 10.2 9.7 - 10.7 co 2 after 5 minutes full load mode with boiler front casing rem...
Inspection and maintenance installation and maintenance instructions ecotec plus 0020116700_01 61 12 12.2 inspection and maintenance work steps no. Activity column 1 inspection must be carried out each year column 2 maintenance must be carried out at regular intervals – but no longer than 5 years 1 ...
Inspection and maintenance 62 installation and maintenance instructions ecotec plus 0020116700_01 12 12.2.1 filling the boiler and the heating installation a description of how to fill the boiler and the heating instal- lation is provided in ¬ section 10.7. 12.2.2 draining the boiler > close the ser...
Inspection and maintenance installation and maintenance instructions ecotec plus 0020116700_01 63 12 > close the gas isolator cock on the boiler. > close the service valves on the boiler. > remove the front casing from the boiler (¬ section 4.7). > fold the electronics box forwards (¬ section 8.2). ...
Inspection and maintenance 64 installation and maintenance instructions ecotec plus 0020116700_01 12 12.4.2 cleaning the heat exchanger b caution. Risk of damage from water spray. If you fail to protect the electronics box adequately, water can penetrate the box during cleaning and may damage the el...
Inspection and maintenance installation and maintenance instructions ecotec plus 0020116700_01 65 12 1 12.7 cleaning the condensate siphon > remove the lower part (1) of the condensate siphon by turning the bayonet fitting anti-clockwise. > clean the bottom of the siphon by flushing it out with wate...
Inspection and maintenance 66 installation and maintenance instructions ecotec plus 0020116700_01 12 1 2 4 3 5 9 8 7 6 12.10 installing the compact thermal module > attach the compact thermal module (2, ¬ fig. 12.10) to the heat exchanger (1, ¬ fig. 12.10). > tighten the four nuts (9, ¬ fig. 12.10) ...
Troubleshooting installation and maintenance instructions ecotec plus 0020116700_01 67 13 13 troubleshooting 13.1 contact vaillant service solutions (0870 6060 777) > if you contact vaillant service solutions (0870 6060 777) or your vaillant service partner, if possible, please mention – the fault c...
Troubleshooting 68 installation and maintenance instructions ecotec plus 0020116700_01 13 display meaning s.62 gas family check unsuccessful: co/co 2 values at limit. Check combustion. S.63 gas family check unsuccessful: combustion quality out- side permissible range (see also f.93). S.76 system pre...
Troubleshooting installation and maintenance instructions ecotec plus 0020116700_01 69 13 13.2.8 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 ha...
Troubleshooting 70 installation and maintenance instructions ecotec plus 0020116700_01 13 code meaning cause f.49 ebus fault short circuit on ebus, ebus overload or two power supplies with different polarities on the ebus f.52 mass flow sensor connection fault mass flow sensor not connected/disconne...
Troubleshooting installation and maintenance instructions ecotec plus 0020116700_01 71 13 code meaning cause f.93 gas group fault combustion quality outside the permitted range: wrong gas restrictor, recirculation, wrong gas group, internal pressure measuring point in ven- turi blocked (do not use l...
Replacing components 72 installation and maintenance instructions ecotec plus 0020116700_01 14 14 replacing components the work described in this section must only be carried out by an approved competent person. > only use genuine vaillant spare parts for repairs . An overview of the available genui...
Replacing components installation and maintenance instructions ecotec plus 0020116700_01 73 14 14.3 replacing the fan 4 2 3 1 5 7 6 14.2 removing the fan > remove the air intake pipe (¬ section 12.4.1). > remove the three plugs from the gas valve (5, ¬ fig. 14.2). I the plugs on the fan motor and th...
Replacing components 74 installation and maintenance instructions ecotec plus 0020116700_01 14 > replace the defective fan. 4 1 3 2 5 14.5 installing the gas valve > refit the components in the reverse order. It is impera- tive that you use new seals (4 and 5, ¬ fig. 14.5). > pay attention to the or...
Replacing components installation and maintenance instructions ecotec plus 0020116700_01 75 14 i the plug on the venturi has latching lugs with which it engages in the slot. You have to release the latching lug by pushing it in to pull off the plug. > remove the plug from the venturi sensor (1, ¬ fi...
Replacing components 76 installation and maintenance instructions ecotec plus 0020116700_01 14 b caution. Risk of damage to boiler and possible malfunctions. The use of lubricant can block function- related channels in the venturi. > never use lubricant when installing the gas restrictor. > refit th...
Replacing components installation and maintenance instructions ecotec plus 0020116700_01 77 14 1 2 3 4 14.13 heat exchanger brackets > disconnect the plug connection (2, ¬ fig. 14.13) of the thermal fuse in the heat exchanger. > remove the bottom three screws (3, ¬ fig. 14.13) from the rear part of ...
Replacing components 78 installation and maintenance instructions ecotec plus 0020116700_01 14 14.8.1 replacing either the display or the pcb > replace the pcb or display according to the assembly and installation instructions supplied. 230v~ 230v~ n l burner off 24v= rt - + bus burner off 2 1 14.14...
Decommissioning installation and maintenance instructions ecotec plus 0020116700_01 79 15 15 decommissioning 15.1 temporarily shutting down the boiler b caution. Risk of frost damage due to incorrect shutdown. If you switch off the boiler using the on/off switch or disconnect it from the power mains...
Warranty and customer service 80 installation and maintenance instructions ecotec plus 0020116700_01 16 16 warranty and customer service 16.1 factory guarantee two year guarantee for ecotec plus appliances vaillant undertakes to rectify any manufacturing defect that occurs within twenty-four months ...
Technical data installation and maintenance instructions ecotec plus 0020116700_01 81 17 17 technical data ecotec plus unit 612 (vu gb 126/5-5) 615 (vu gb 156/5-5) 618 (vu gb 186/5-5) 624 (vu gb 246/5-5) 630 (vu gb 306/5-5) 637 (vu gb 376/5-5) nominal heat output range p at 50/30 °c kw 3.2 - 12.9 3....
Technical data 82 installation and maintenance instructions ecotec plus 0020116700_01 17 ecotec plus unit 824 (vuw gb 246/5-5) 831 (vuw gb 316/5-5) 837 (vuw gb 376/5-5) nominal heat output range p at 50/30 °c kw 4.1 - 20.4 5.6 - 25.7 6.9 - 30.1 nominal heat output range p at 80/60 °c kw 3.8 - 19.0 5...
Glossary installation and maintenance instructions ecotec plus 0020116700_01 83 18 18 glossary air/flue gas duct an air/flue gas duct is a line system with two separate flow channels. The flue gas is routed into separate chambers at the same time as the required combustion air is pumped to the boile...
Appendix 84 installation and maintenance instructions ecotec plus 0020116700_01 19 19 appendix installation, commissioning and service record.
Benchmark log book installation and maintenance instructions ecotec plus 0020116700_01 85 20 20 benchmark log book failure to install and commission according to the manufacturer’s instructions and complete this benchmark commissioning checklist will invalidate the warranty. This does not affect the...
Benchmark log book 86 installation and maintenance instructions ecotec plus 0020116700_01 20 service record it is recommended that your heating system is serviced regularly and that the appropriate service interval record is completed. Service provider before completing the appropriate service recor...
Index 87 installation and maintenance instructions ecotec plus 0020116700_01 index a accessories.................................................................................... 13 air/flue gas duct .................................................................. 25, 83 air/flue system ...........
Index 88 installation and maintenance instructions ecotec plus 0020116700_01 i installation assistant .................................................................. 39 installation clearance .................................................................. 16 installation site ....................
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