Vaillant ecoTEC plus 415, Instructions For Installation And Servicing

Page 1: ...Instructions for installation and servicing ecoTEC plus Wall hung open vent condensing boiler GB For the installer...

Page 2: ...12 3 14 Pump specification 12 3 15 Cleanser and inhibitor 12 3 16 Open vented heating system 13 3 17 Sealed water systems 14 3 17 1 Safety valve 14 3 17 2 Expansion vessel 14 3 17 3 Pressure gauge 14...

Page 3: ...whenever they are required If you move please pass on the documents to the buyer 1 1 3 Safety instructions and symbols Please observe the safety instructions in this literature for the operation of t...

Page 4: ...l heating systems Any other use or extended use is considered to be use other than intended The manufacturer supplier is not liable for any resulting damage Intended use includes the observance of the...

Page 5: ...As a safety feature the boiler will stop working if the condensate drain becomes blocked During freezing conditions this may be due to the forming of ice in the condense drain external to the house R...

Page 6: ...approved document L1 in the UK and the current issue of the following Central heating system specification CheSS Controls for domestic central heating system and hot water BRECSU Certification This b...

Page 7: ...red natural gas 20 20 20 20 mbar Gas supply G20 Gross CV s t 37 8 37 8 37 8 37 8 MJ m3 Maximum gas rate 1 61 2 0 3 02 4 06 M3 h Minimum gas rate 0 53 0 53 0 56 0 71 M3 h Burner CO2 Case on 9 3 0 2 0 5...

Page 8: ...ting return pipe 22 2 Heating flow pipe 22 3 Gas connection 15 4 Hanging bracket 5 Flue hole flue system 303 933 6 Flue pipe connection 7 Condensate drain outlet connection 21 8 Outside wall face 2 1...

Page 9: ...tilation for gas appliances European installation directive a Caution The appliance must be installed and serviced by a competent person as stated in the Gas Safety Installation and Use Regulations 19...

Page 10: ...f an adequate size Do not use pipes of a smaller size than the boiler gas con nection 15 mm The complete installation must be checked for leaks and purged as described in BS 6891 d Danger Vaillant app...

Page 11: ...minal position for a fan assisted concentric flue The flue assembly shall be so placed or shielded as to prevent ignition or damage to any part of the building h Note In addition the terminal should n...

Page 12: ...e following current issues of 1 Central heating system specification CheSS 2 Controls for domestic central heating system and hot water BRECSU 3 11 Draining tap A draining tap must be provided at all...

Page 13: ...sure loss metres head of water Flow Rate litres hour 1633 l hr 20 diff 38 kW Fig 3 8 4 Pressure loss ecoTEC plus 438 3 16 Open vented heating system The boiler must be supplied from an unrestricted wa...

Page 14: ...the current issue of BS5449 and BS7074 Part 1 Example For an initial design pressure of 0 7 bar the minimum total vessel volume required is 0 063 x Total System Volume hNote A higher initial design pr...

Page 15: ...fig 4 1 Additional clearances may be beneficial around the boiler for installation and servicing For flue installations where external access is not practicable consideration should be given for the s...

Page 16: ...fixing Lift the boiler into position in the following manner Lean the top of the boiler slightly to the wall and position just above the hanging bracket Allow the boiler to slowly move downwards until...

Page 17: ...discharged into the house if the condensate drain pipe becomes blocked b Connecting into the internal discharge branch e g sink waste or washing machine with an external termination the condensate dra...

Page 18: ...cs box Fig 4 7 Mains Supply Connection Opening the electronics box Unclip the bottom of the electronics box cover and hinge back to reveal the connection plugs Feed the power supply flex into the appl...

Page 19: ...al interface analogue only Mains supply 230V 50Hz Room thermostat 230V 50Hz remove bridge on connection Heating pump 2A fuse slow Igniter Connection 230V Supply for accessory module eBUS accessory con...

Page 20: ...e Fan unit Gas valve assembly X 20 18 red 24 Vdc X 20 9 blue earth Chassis earth green yellow pump connection red red fuse T2E 250 Volts Electronic control box green yellow green yellow bus 24 V 230 V...

Page 21: ...or external neutrals such as from the anticipator of a room thermostat 4 4 6 Connection details for external switches and boiler terminal strip 230 Vac system controls Zone valve programmer room therm...

Page 22: ...and purged in accor dance with BS 6891 in IE the current edition of IS 813 The gas supply to the boiler can be purged by slackening the union connection on the gas service valve beneath the boiler se...

Page 23: ...gnition can only take place after you manually reset the fault To reset the fault press the reset button 3 see fig 5 4 and hold it down for one second a Caution If the boiler still shuts off after thr...

Page 24: ...ress i to operate appliance in this mode Allow appliance to stabilise Measure the CO2 at the combustion products test point see fig 9 1 Check CO2 value for case off as stated in table 6 1 for the boil...

Page 25: ...orrectly the display shows the fol lowing S 24 Fig 7 3 Display indicator during water heating 7 4 Pump exercise programme After a power cut or every 23 hour in frost protection mode the pump will run...

Page 26: ...list along with the heat input kW and temperature diffe rence between flow and return Leave the user instructions and the installation instructions with the user 7 7 Vaillant warranty Vaillant provide...

Page 27: ...the electrical supply either by remov ing the fuse from a fused spur or pulling the plug out if connected to a socket outlet Pro tect the electronics box from spray water Be fore working on the appli...

Page 28: ...for dirt dust and clean if necessary x x 10 Check and clean condensate trap and flexible condensate hose x x 11 Perform a test operation of the appliance including the heating and hot water systems a...

Page 29: ...earth lead from the ignit er unit and two securing screws at the spark electrode Withdraw the spark electrode carefully from the combustion chamber see fig 8 4 Inspect the tips for damage Clean away...

Page 30: ...he five combustion chamber burner door securing nuts these should be discarded and replaced with the new nyloc nuts supplied in the burner door seal kit Gently remove the fan gas valve and burner asse...

Page 31: ...hree years is sufficient Release the pressure from the boiler Remove valve cap from expansion vessel charge point Check that the internal charge pressure of the expan sion vessel is to the correct des...

Page 32: ...essary set the corresponding flue gas value value with removed appliance front see table 9 1 by turning A throttle see fig 9 2 Turn to the left higher CO2 content Turn to the right lower CO2 content A...

Page 33: ...e diagnostic mode you can change certain parame ters or display more information The diagnostic infor mation is divided into two diagnostic levels The second diagnostic level can be reached only after...

Page 34: ...for warm start sensor when accessories are fitted Current storage tank sensor in C d 5 Flow temperature target value or return target value when return regulation is set in C max the value set in d 71...

Page 35: ...Set diverter valve position 0 Normal mode factory setting 1 Centre position 2 permanent heating position d 71 Maximum setting of heater control knob Adjustment range in C 40 to 85 Factory setting 75 d...

Page 36: ...ng igniter ignition transformer ignition cable ignition plug defective ionisation current stopped cable electrode faulty earthing in appliance electronics defective F 29 Flame goes off during operatio...

Page 37: ...is bled via the automatic air vent the cap on the automatic air vent must be loosened P 1 Test program where the appliance is operated in full load after successful ignition P 2 Test program where th...

Page 38: ...access refer to section 8 1 4 Remove the burner refer to section 8 1 6 11 3 Replacing the gas valve For access refer to section 8 1 4 Remove the gas valve fan and burner refer to the relevant parts of...

Page 39: ...conden sate drain and clean as necessary Reassemble and refit the condense trap h Note If a replacement trap is required remove spigot bung before fitting condensate drain connection Using a suitable...

Page 40: ...ventual recycling by incorpo ration into the smelting process of a steelworks This gives these parts virtually unlimited scope for subsequent re use All plastic materials are duly identified to facili...

Page 41: ...41 Instructions for installation and servicing ecoTEC plus 0020020828_05 Appendix 14 14 Appendix...

Page 42: ......

Page 43: ......

Page 44: ...0020020828_05_GB 03 2008...