Vaillant ecoTEC plus SERIES Installation And Maintenance Instructions Manual Download

Page: 1 / 92

Installation and maintenance instructions

For the competent person

GB, IE

Installation and maintenance instructions

ecoTEC plus

VU
VUW

Summary of Contents for ecoTEC plus SERIES

Page 1: ...Installation and maintenance instructions For the competent person GB IE Installation and maintenance instructions ecoTEC plus VU VUW...

Page 2: ...the hot and cold water VUW boiler 23 6 3 Connecting the domestic hot water cylinder 23 6 4 Connecting the heating flow and heating return 23 6 4 1 VUW boiler 23 6 4 2 VU boiler 23 6 5 Low loss header...

Page 3: ...he boiler and the heating installation 62 12 2 2 Draining the boiler 62 12 2 3 Draining the entire heating installation 62 12 3 Using the function menu 62 12 3 1 Carrying out electronics self tests 62...

Page 4: ...GB 186 5 5 0010011679 41 044 62 ecoTEC plus 618 VU GB 186 5 5 LPG 0010011680 41 044 66 ecoTEC plus 624 VU GB 246 5 5 0010011681 41 044 63 ecoTEC plus 630 VU GB 306 5 5 0010011682 41 044 64 ecoTEC plu...

Page 5: ...is instruction manual It is very important that this document be filled out prop erly when installing commissioning and fully explained at hand over to the operator of the installation Installers shou...

Page 6: ...ow to use the boiler Children must be supervised to ensure that they do not play with the boiler The boiler is intended as a heater for closed hot water cen tral heating installations and for hot wate...

Page 7: ...the building to inform the gas supply company or National Grid Transco 0800 111999 What to do if you smell exhaust fumes Installation errors damage manipulation unauthorised installation sites or the...

Page 8: ...treatment of water in domestic hot water central heating systems BS EN 13831 Closed expansion vessels with built in dia phragm BS EN 14336 Heating systems in buildings Installation and commissioning...

Page 9: ...not use pipes of a smaller size than the boiler gas con nection The complete installation must be tested and purged in accordance with IGE UP 1B for systems up to 0 035 m3 capacity for larger systems...

Page 10: ...r about the required measures for frost protection Permissible water hardness Observe all valid national and technical regulations when conditioning filling and supplementary water Provided the nation...

Page 11: ...onnection 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 Venting The boiler is fitted with an automatic air ve...

Page 12: ...11 Automatic air vent 12 Pressure gauge 13 Heating pump 14 By pass valve 15 Expansion relief valve 16 Electronics box 6 7 8 9 12 10 11 13 17 18 16 5 4 1 2 3 19 14 15 3 2 Functional elements of the VU...

Page 13: ...cation vrnetDIALOG comDIALOG Accessories VR 65 Control Centre VR 66 Control Centre VR 61 2 Two Zone Wiring Centre VR 81 2 Remote Control Unit VR 68 2 Solar Module 4 1 Controller accessories 4 1 2 Inst...

Page 14: ...lear the route before attempting the lift Ensure safe lifting techniques are used keep back straight bend using legs Keep load as close to body as possible Do not twist reposition feet instead If 2 pe...

Page 15: ...access stability of flooring lighting and other factors and appropriate measures taken Unpacking of appliance from carton Recommend 2 persons unpack appliance from carton Always keep working area cle...

Page 16: ...grip at front and sides base of boiler Ensure co ordinated movements during 2 person lifts to ensure equal spread of weight of load If 1 person positioning onto bracket recommend obtain firm grip supp...

Page 17: ...Position the installation template vertically over the instal lation site Attach the template to the wall using tacks for example Mark the drill holes for the hanging bracket on the wall If necessary...

Page 18: ...return 22 x 1 5 8 Air flue gas duct connection 9 Condensate siphon 10 Condensate discharge connection 19 mm 11 Heating expansion relief valve discharge pipe connection 15 mm Minimum dimension from wal...

Page 19: ...ging bracket 1 on the wall using the wall plugs and screws 2 provided with the unit Hang the boiler 3 on the hanging bracket from above using the hanging bracket 4 7 Removing fitting the front casing...

Page 20: ...nly remove one side section never both side sections at the same time 1 3 4 2 4 7 Removing fitting the side section b Caution Risk of damage to the side section Unscrewed side sections that are merely...

Page 21: ...damage caused by incorrect gas installation Excess test pressure or operating pressure can cause damage to the gas valve When the entire gas installation is tested for leaks the maximum pressure at th...

Page 22: ...sses in the supply line can cause leaks Make sure there are no stresses in the supply lines when they are installed b Caution Risk of damage caused by heat transfer when soldering Heat that is transfe...

Page 23: ...ections as shown 6 5 Low loss header A low loss header disconnects the boiler from the heating system The system is no longer dependent on the remain ing feed head of the boiler In conjunction with th...

Page 24: ...ware when crossing cavities that the fall is maintained and the pipe sleeved The condensate discharge pipework must terminate in a suitable location Further information can be obtained from BS 6798 Sp...

Page 25: ...tal air flue gas duct Article number 303933 A concentric air flue gas duct with an outer diameter of 100 mm that can be extended depending on the boiler out put range is available You can also get a v...

Page 26: ...be a nuisance should be avoided c If the terminal is fitted less than 2 m above a balcony above ground or above a flat roof to which people have access then a suitable terminal guard must be provided...

Page 27: ...ical structure on the roof N A Q Above intersection with roof 300 mm 7 1 Position of the termination in a fan assisted air flue gas duct BS 5440 1 It is recommended that the fanned flue terminal shoul...

Page 28: ...2 Opening closing the electronics box Opening the electronics box Remove the front casing from the boiler section 4 7 1 2 3 4 8 1 Opening the back wall of the electronics box Fold the electronics box...

Page 29: ...o the mains supply must allow complete electrical isolation of the boiler and its ancil lary controllers It should be readily accessible and adjacent to the boiler A 3 core flexible cord according to...

Page 30: ...box using the strain reliefs If you do not connect a room timer thermostat to the boiler then bridge the input RT 24 V if no bridge exists If you connect a room timer thermostat to the boiler then rem...

Page 31: ...ay 2 on the multi functional module at installer level section 11 1 8 6 Actuating the circulation pump demand controlled You can actuate the circulation pump for a domestic hot water cylinder demand c...

Page 32: ...4 X22 8 15 13 12 2 X20 X24 X41 X100 X16 X18 X1 variant dependent 230 V AC room thermostat No function 24 V PWM Earth Hall signal Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 white...

Page 33: ...pliance earth 1 3 17 4 X22 8 15 13 12 2 X20 X24 X41 X100 X16 X11 X18 X1 variant dependent 230 V AC room thermostat No function Fan Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 whi...

Page 34: ...connection Appliance earth X16 X18 X1 variant dependent 230 V AC room thermostat No function 24 V PWM Earth Hall signal Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 red Flow senso...

Page 35: ...election by D 026 Mains connection Appliance earth X16 X11 X18 X1 variant dependent 230 V AC room thermostat No function Fan Diverter valve Stepper motor Gas valve 5 1 6 Holding magnet 1 3 4 red Flow...

Page 36: ...installer level if you are an approved competent person Installer level is secured against unauthorised access with a password as incorrect parameter settings at this level can cause functional fault...

Page 37: ...e Back Select Appliance config Test programmes Installer level Fault list Back Select Enter code 1 7 Back Ok F 75 Fehler Pumpe Wassermangel F 00 Interruption Flow sensor P 00 Pumpe wird angesteuert En...

Page 38: ...load Appliance config Accessory relay 2 Accessory relay 1 Back Select Heating partial load Appliance config Accessory relay 2 Contact data Back Select Heating partial load Appliance config Factory set...

Page 39: ...llation assistant Once confirmed all of the heating and hot water demands from the boiler are blocked This status remains until the installation assistant is completed or cancelled If you do not confi...

Page 40: ...t contain any spaces If the telephone number is shorter end the entry after the last digit by pressing the right selector button All of the digits to the right will be deleted 10 2 10Terminating the i...

Page 41: ...ct an error condition by the fault symbol shown in the left bottom corner of the display You must first reset 10 5 Preparing the heating water Pay attention to the specifications concerning heating wa...

Page 42: ...d the cold water valve Check all connections and the entire system for leaks 10 7 2 Purging the heating system To purge the heating installation select test program P 00 section 10 4 The boiler does n...

Page 43: ...lve with the spring clip 2 To fill first open the stop valve 3 Open the stop valve 4 so that the water flows into the heating system Fill the heating system as described in section 10 7 After filling...

Page 44: ...t by Vaillant Service Solutions the smallest possible partial load is higher than is shown in the display The current values can be found in the technical data section 17 The combustion of this boiler...

Page 45: ...ll other gas appliances in the property are turned off Measure the gas flow rate at the gas meter Check that the gas flow rate is as stated in table 10 2 If the measured gas flow rate lies outside the...

Page 46: ...a minimum of two minutes Close the gas isolation valve of the boiler Remove the pressure gauge and retighten the sealing screw 1 for the measuring nipple Turn on gas at the gas isolation valve Make s...

Page 47: ...Make sure that there is a heat requirement Activate the Live monitor section 13 2 1 S 04 Heating mode Burner on Back 10 9 Live monitor display during heating mode If the boiler is operating correctly...

Page 48: ...gain with water as described in section 10 7 3 Re fill the system until the system design pressure of 0 1 MPa 1 0 bar is attained The actual reading on the digital pressure gauge should ideally be 0 0...

Page 49: ...re complex systems can be found in the diagnosis menu Menu Installer level Diagnosis menu 11 1 Diagnosis codes Overview Menu Installer level Diagnosis menu With the use of the parameters that are mark...

Page 50: ...ternal eBus con troller In C Not adjustable D 010 Status of internal heating pump On Off Not adjustable D 011 Status of external heating pump On Off Not adjustable D 012 Status of cylinder charge pump...

Page 51: ...egionella protection pump not active Solar valve not active External pump D 033 Fan speed target value In rpm Not adjustable D 034 Fan speed actual value In rpm Not adjustable D 035 Position of the di...

Page 52: ...ments of 1 minute 2 mins D 073 Warm start target offset Adjustable from 15 K to 5 K 0 D 075 Max charging time for domestic hot water cylinder without independent con trol system 20 90 min 45 mins D 07...

Page 53: ...11 1 Diagnosis codes continued 11 1 1 Setting the heating partial load The heating partial load of the Vaillant ecoTEC plus boiler is factory set to auto This means that the boiler independ ently det...

Page 54: ...5 44 0 40 2 0 3 5 6 5 10 0 13 0 16 5 19 5 22 5 26 0 29 0 32 0 35 5 38 5 45 2 0 3 0 6 0 8 5 11 5 14 0 17 0 19 5 22 5 25 0 27 5 30 5 33 0 50 2 0 3 0 5 0 7 5 9 5 12 0 14 0 16 5 18 5 21 0 23 5 25 5 28 0 5...

Page 55: ...nosis code d 084 Guideline values for the setting can be found in table 11 3 The values stated correspond to an average boiler operat ing time of one year You can set the operating hours in increment...

Page 56: ...he operator of the boiler on the handling and function of the ecoTEC plus Explain the importance of regular maintenance by a competent specialist company to the operator It is strongly recommended tha...

Page 57: ...We recommend the conclusion of an inspection and mainte nance contract with an approved company or installer The inspection serves to determine the actual condition of the respective boiler and compa...

Page 58: ...ing the boiler via an isolating device with a contact opening of at least 3 mm e g fuses or power switches Further check for electrical isolation of the appliance by use of a test meter Close the gas...

Page 59: ...ck the integrity of the combustion circuit seals Check the gas inlet working pressure Check the gas flow rate 2 1 12 2 Removing the covering cap for the air index setting adjusting screw gas setting a...

Page 60: ...oiler setting with regard to combustion quality Perform the gas family check as part of regular boiler maintenance after replacing components or working on the gas route i No CO CO2 or CO2 measurement...

Page 61: ...sel of the layered storage tank Correct the pressure if necessary x x 11 Remove the compact thermal module x 12 Check the integrity of all combustion circuit seals especially the burner door seal Ensu...

Page 62: ...t Cancelling the function test Press the left selector button Cancel to stop the function test You can test the operation of the heating installation com ponents listed below using the self tests in t...

Page 63: ...fixed gas pipe 1 2 4 3 5 8 7 6 12 4 Removing the compact thermal module i The plugs at the fan motor and the venturi have latching lugs with which they engage in the slot You have to push in the latch...

Page 64: ...ing water or if required commercially available white vinegar Allow the vinegar to act on the heat exchanger for 20 minutes Rinse away any loose dirt with a sharp jet of water or use a plastic brush D...

Page 65: ...hot water from the boiler Undo the nut 1 fig 12 8 of the cold water supply line from the casing of the boiler 2 1 12 9 Removing the pipe with the cold water filter Fold the electronics box forwards s...

Page 66: ...ultaneously Open the gas isolator cock on the boiler and ensure there are no leaks Check that the sealing ring in the air intake pipe is posi tioned correctly in the seal seat Insert the air intake pi...

Page 67: ...nition S 14 DHW mode burner on S 15 DHW mode pump fan overrun S 16 DHW mode fan overrun S 17 DHW mode pump overrun DHW mode VU boiler with cylinder or VUW comfort mode warm start S 20 DHW demand S 21...

Page 68: ...storm for example 13 2 4 Calling up diagnosis levels Menu Installer level Diagnosis menu You can use the diagnosis menu to inspect parameters and modify certain parameters An overview of the diagnosis...

Page 69: ...not connected defective F 23 Safety switch off Temperature difference too great Pump blocked insufficient pump output air in boiler flow and return NTC interchanged F 24 Safety switch off Temperature...

Page 70: ...ive F 72 Flow return NTC fault Flow return NTC temperature difference too great flow and or return temperature sensor defective F 73 Water pressure sensor signal in the wrong range too low Interruptio...

Page 71: ...to remedy boiler problems you can use the func tion menu which allows you to actuate and test individual components of the heating installation section 12 3 13 4 Running test programs By activating va...

Page 72: ...wer switches i When carrying out any repair to the boiler make sure that you observe the following instructions for your own safety and to avoid material dam age to the boiler Switch off the boiler Di...

Page 73: ...at the same time Unscrew the three screws 2 fig 14 2 between the mixture pipe 1 fig 14 2 and the fan flange b Caution Risk of damage to the gas pipe The corrugated gas pipe can be damaged by incorrect...

Page 74: ...the opposite side of the gas valve or screw both cap nuts to the gas valve simultaneously Perform a gas family check after fitting the new fan section 12 1 5 14 4 Replacing the gas valve b Caution Ri...

Page 75: ...ipe section 12 4 1 Remove the plug from the venturi sensor 1 fig 14 9 Unscrew the cap nut 3 fig 14 9 of the gas connecting pipe 2 fig 14 9 from the gas valve Remove the venturi including the gas suppl...

Page 76: ...sel into the boiler Screw the new expansion vessel to the water connection Use a new seal for this Attach the support plate using both screws 1 If necessary adjust the pressure to the static height of...

Page 77: ...at exchanger as far as they will go i Make sure that the brackets are seated correctly on the flow and return connections Re install the expansion vessel section 14 6 Reinstall the compact thermal mod...

Page 78: ...PCB and plug it into the new PCB Language 02 English Cancel Ok 14 15 Setting the language If you are replacing both components at the same time spare part case the boiler switches directly to the menu...

Page 79: ...ose the gas isolator cock Close the cold water stop valve Drain the heating installation fully section 12 2 2 Press the on off switch 1 The display 2 goes off 15 2 Taking the boiler permanently out of...

Page 80: ...ded in the guar antee 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 automat...

Page 81: ...3 8 Remaining feed head of pump at nominal circula tion water volume MPa bar 0 025 0 25 0 020 0 20 General Gas connection boiler side mm 15 15 15 15 15 22 Flow return heating connections boiler side...

Page 82: ...DT 35 K l min 9 8 12 4 15 6 Water volume at DT 30 K l min 11 5 14 5 18 2 Permitted overpressure MPa bar 1 0 10 Required connection pressure MPa bar 0 035 0 35 Hot water output temperature range C 35...

Page 83: ...calorific value of the fuel The flue gas is cooled until the water vapour that it contains condenses The condensation heat that this releases can also be used In particular the flue gas losses are gre...

Page 84: ...Appendix 84 Installation and maintenance instructions ecoTEC plus 0020116700_01 19 19 Appendix Installation Commissioning and Service Record...

Page 85: ...ng Checklist will invalidate the warranty This does not affect the customer s statutory rights If yes and if required by the manufacturer has a water scale reducer been tted CONDENSING BOILERS ONLY Th...

Page 86: ...afe Register No Comments Signature Date Engineer Name Company Name Telephone No Gas Safe Register No Comments Signature Date Engineer Name Company Name Telephone No Gas Safe Register No Comments Signa...

Page 87: ...ot water 23 Condensate discharge pipework 23 Controller 29 Domestic hot water cylinder 23 Flow and return 23 Gas line 21 Multi functional module 31 Connection diagram 32 Connection measurements 18 Cus...

Page 88: ...llation 22 Pump operating mode 50 53 Pump overrun 53 Purge Heating installation 42 R Removing Burner 72 Compact thermal module 62 Display 77 Fan 73 74 Front casing 19 Gas valve 74 Heat exchanger 76 PC...

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Page 92: ...0020116700_01 GBIE 012012 Subject to change Manufacturer Supplier...

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Vaillant ecoTEC plus SERIES, Installation And Maintenance Instructions Manual

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