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Vaillant ECOTEC PLUS VU 80, Installation And Maintenance Instructions Manual

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Vaillant ECOTEC PLUS VU 80 Installation And Maintenance Instructions Manual Download Page 28

Electrical installation

28

ecoTEC plus installation and maintenance instructions 0020134823_01

8

8.6  

Connection wiring diagram

Pump PWM signal

Gas valve

Water
pressure sensor

Cylinder sensor (optional)

Cylinder contact
“C1-C2“

Flow sensor

Flow sensor

Water
DD

Flue gas
DD

Safety 
cut-out

Safety 
cut-out

Remote control circulation pump
External sensor
Flow sensor (optional)
DCF connection
Earth
Earth

Contact thermostat/burner off

Ext. room th. 3-4 (contact, 24 V)

Bus connection
(Controller(room th. digital)

Accessory output
(Select via D.26)

Charging pump

internal pump

Ext. ignition transformer (supply)

Ioni. signal

Unit earth

Mains connection

Unit earth

Fan

Hall signal

PW

M

Ea

rt

h

Display
connection

white

white

red

blue

blue

pink

E

dge c

onnect

or

blue

pink

whit

e

pink

blue

whit

e

gr

e

y

tur

quois

e

gr

een

8.4  

Connection diagram for the ecoTEC plus electronics box

Summary of Contents for ECOTEC PLUS VU 80

Page 1: ...Installation and maintenance instructions For the competent person GB IE Installation and maintenance instructions ecoTEC plus VU 80 100 120kW...

Page 2: ...29 9 2 Preparing the heating water 29 9 3 Filling and purging the heating installation 29 9 4 Preventing low water pressure 30 9 5 Filling the condensate siphon 31 9 6 Checking the gas ratio setting...

Page 3: ...e iden tification plate 1 3 Identification plate The identification plate of the Vaillant ecoTEC plus is attached to the bottom of the boiler at the factory The article number of the gas fired wall hu...

Page 4: ...06 VU GB 806 5 5 GB Great Britain IE Ireland II2H3P Natural gas H G20 2 kPa 20 mbar Propane G31 3 7 kPa 37 mbar Propane G31 5 kPa 50 mbar 16 80 1006 VU GB 1006 5 5 GB Great Britain IE Ireland II2H3P N...

Page 5: ...s intended as a heat generator for closed hot water central heating installations and for hot water gener ation The products referred to in this manual must only be installed and operated in conjuncti...

Page 6: ...e building If you can actually hear gas leaking leave the building immediately and ensure that others do not enter the building Alert the fire brigade and police when you are outside the building Noti...

Page 7: ...trical installations IEE Wir ing Regulations The Electricity at Work Regulations The Clean Air Act 1993 1968 and the 3rd Edition of the 1956 Clean Air Act installations exceeding 150kW The Water suppl...

Page 8: ...ld oil fur nace hearth as this can also cause corrosion When installing the unit please observe the local con densate regulations avoid horizontal sections in the condensate and flue gas route The con...

Page 9: ...ernox Antifreeze Alphi 11 Sentinel X 500 Inform the operator about the measures required if you have used these additives Inform the operator about the measures required for frost protection Permissib...

Page 10: ...lief valve which must be fitted to the boiler and drained to a safe but visible location The safety discharge pipe must be a mini mum of 18 mm diameter and must be solely used for this purpose Ensure...

Page 11: ...pressure sensor 8 Electronics box 9 Stainless steel heat exchanger 10 Pressure gauge 11 Flow sensor 12 Safety cut out 13 Ignition electrode 14 Automatic air vent 15 Monitoring electrode 1 2 3 6 5 4 7...

Page 12: ...re lifting the unit Use safe lifting techniques keep your back straight and bend your legs at the knee Hold the load as close as possible to your body Do not twist your body instead reposition your fe...

Page 13: ...in this Dispose of the packaging responsibly Wear appropriate cut resistant and non slip gloves to protect yourself against sharp edges and maintain a safe and secure grip while handling the unpackage...

Page 14: ...tain a safe and secure grip while handling the unit Positioning the unit for final installation with restricted installation position under the roof If the unit weighs more than 25 kg it should always...

Page 15: ...clearances Key A 350 mm flue pipe diameter 110 160 mm 450 mm with cascade design B 400 mm C optional approx 200 mm When using the accessories observe the minimum clear ances installation clearances Wh...

Page 16: ...de programme which is availa ble as an accessory 1 4 3 Wall mounting the boiler Fit the hanging bracket 1 to the wall using the rawl plugs and screws provided with the unit Hang the boiler 3 on the ha...

Page 17: ...alve for leak tightness use a max test pressure of 1 1 kPa 110 mbar During the gas installation ensure that the home pressure regulation for the required gas flow pressure of 5 mbar is maintained in a...

Page 18: ...installing an external heat exchanger between the boiler and the heating installation a Danger Risk of scalding and or damage due to leaking water Stresses in the supply line may cause leaks Make sur...

Page 19: ...plate to plate heat exchanger is recommended In all instances the system water should be adequately treated To this end various plate heat exchangers are available as accessories depending on the out...

Page 20: ...mm The condensate siphon collects any con densate that occurs and feeds it into the condensate drain pipework min 180 2 3 1 6 3 Condensate siphon Install the enclosed condensate siphon as follows Pla...

Page 21: ...te siphon i We do not recommend shortening the discharge pipe that is supplied Leave an installation space of at least 180 mm beneath the condensate siphon min 180 1 2 3 6 4 Install the discharge pipe...

Page 22: ...ward gradient so that any escaping condensate can easily flow into the drain siphon provided for it without leaving any backwater residues 7 2 Installing the flue pipe Install the flue pipe using the...

Page 23: ...in the eaves within 600 mm distance of the terminal 2 These dimensions comply with the building regulations but they may need to be increased to avoid wall staining and nuisance fron pluming dependin...

Page 24: ...ETCI regula tions Electro Technical Council for Ireland Earth the boiler 8 2 Opening closing the electronics box Remove the front casing of the boiler section 4 6 2 1 3 8 1 Opening the back wall of t...

Page 25: ...connection should be easily accessible and adja cent to the boiler Use a three core flexible cable in accord ance with BS 6500 tables 6 8 or 16 3 x 0 75 to 3 x 1 5 mm2 The rated voltage of each line...

Page 26: ...aterial damage caused by incor rect installation Mains voltage at the incorrect plug termi nals on the ProE system may destroy the electronics Do not connect a mains voltage to the eBUS terminals i Ma...

Page 27: ...reliefs 8 5 1 VR 40 Connecting the 2 from 7 multi functional module You can connect two additional components to the ecoTEC plus using the Vaillant multi functional module 2 from 7 Accessories You can...

Page 28: ...ion pump External sensor Flow sensor optional DCF connection Earth Earth Contact thermostat burner off Ext room th 3 4 contact 24 V Bus connection Controller room th digital Accessory output Select vi...

Page 29: ...ealing residue or dirt in the water pipes may cause damage to the boiler It is rec ommended that you use a dirt trap on older systems upstream of the ecoTEC plus Thoroughly flush newly installed part...

Page 30: ...he water pressure in the heating installation again At the end of the filling procedure the filling pressure of the heating installation should be at least 0 02 MPa 0 2 bar above the counterpressure o...

Page 31: ...gas Before starting up the boiler compare the details concerning the set type of gas on the identification plate with the type of gas supply at the installation site If the unit should be operated wi...

Page 32: ...e gas flow pres sure can be still achieved if all other gas fired boilers in the dwelling house are in operation Remove the front casing from the boiler section 4 6 Close the gas isolator cock of the...

Page 33: ...measuring nipple 1 Open the gas isolator cock Ensure that there are no leaks at the sealing screw Turn the gas isolator cock off Refit the front casing Disconnect the power supply to the boiler You m...

Page 34: ...ck Select Target flow temp Appliance config Language DHW temperature Back Select Target flow temp Appliance config Language DHW temperature Back Select Appliance config Test programs Installer level F...

Page 35: ...ppliance 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 setting C...

Page 36: ...o the main configuration settings for installation of the unit The instal lation assistant is displayed each time the boiler is switched on until it has been completed successfully You must confirm th...

Page 37: ...the setting options for more complex systems can be found in the diagnostics menu section 12 Menu Installer level Diagnostics menu 11 4 Using test programmes In addition to the installation assistant...

Page 38: ...on Make absolutely sure that the front casing is properly closed Check the operation of the heating section 11 5 2 Hand over the boiler to the operator section 12 2 Explain the basic operation of the...

Page 39: ...ms can be found in the diagnostics menu Menu Installer level Diagnostics menu 12 1 Overview of the parameters in the diagnostics menu Menu Installer level Diagnostics menu You can use the parameters t...

Page 40: ...ot yet supported 9 Anti legionella pump not active 1 D 028 Switching of relay 2 on the 2 in 7 multi functional module VR 40 1 Circulation pump 2 Ext pump 3 Charging pump 4 Extractor hood 5 Ext solenoi...

Page 41: ...rrun time has elapsed If a system partition is installed you must set the pump to Continuous mode 85 set diagnostics code D 014 to 4 12 1 3 Setting the maximum flow temperature The maximum flow temper...

Page 42: ...ce interval You can define maintenance intervals for the ecoTEC plus Using this function the message that the boiler must be serviced appears in the display after a defined configurable number of burn...

Page 43: ...tenance contract be taken out to ensure regular maintenance You can obtain more information from Vaillant Service Solutions 44 0 870 6060 777 In the commissioning checklist enter the operating pres su...

Page 44: ...d in accordance with the requirements of the measur ing instrument manufacturer Professional qualification can be proven through the suc cessful completion of the relevant ACS standard assess ment whi...

Page 45: ...switch cabinet from water especially from being splashed Before any work on the boiler switch off the power supply and secure the boiler against being switched back on acciden tally i For certain insp...

Page 46: ...as analysis point 1 Compare the measured value with the corresponding value in table 13 1 Settings Unit Natural gas H Tolerance CO2 after 5 minutes full load operation with front casing closed Vol 9 0...

Page 47: ...ntent Turn to the right Decreases the CO2 content Only perform the adjustment in 1 8 turns and wait approximately 1 minute after each adjustment until the value stabilises For this always first turn t...

Page 48: ...essary correct the charge pressure of the expansion vessel X X 12 Reinstall all of the previously removed components up to and including the gas air mixture unit X 13 Reinstall the gas air mixture uni...

Page 49: ...onents listed below using the self tests in the function menu Display Test pro grammes Action T 01 Check internal pump You can switch the internal pump on and off T 03 Check fan You can switch the fan...

Page 50: ...t components There is a risk of being scalded or burned on the gas air mixture unit and on all water carrying components Only carry out work on these compo nents if they have cooled down The gas air m...

Page 51: ...gas pipe when removing and installing the gas air mixture unit 8 9 10 11 13 5 6 7 12 11 8 10 12 5 6 7 9 13 806 5 5 1006 5 5 1206 5 5 13 7 Removing the gas air mixture unit Remove the plug for the ioni...

Page 52: ...end removing the condensate siphon so that the neutralising unit is not damaged Rinse away any dirt from the burner chamber wall and through the pipes 1 of the heat exchanger using a strong jet of wat...

Page 53: ...h cleaning session 2 1 13 11 Cleaning the condensate siphon Remove the siphon s lower section 2 by unscrewing it from the condensate siphon 1 Flush out the lower section of the siphon with water Fill...

Page 54: ...valve Torque for the VU GB 806 5 5 only 2 Nm Torque for the VU GB 1006 5 5 and VU GB 1206 5 5 only 2 8 Nm Open the gas isolator cock on the boiler a Danger Risk of poisoning and fire caused by escapin...

Page 55: ...work carried out in the system book that you leave with the unit s documen tation 14 Troubleshooting 14 1 Contacting Vaillant customer service If you contact your Vaillant Customer Service or Vaillan...

Page 56: ...ock operation block function due to low water pres sure flow return spread too large S 54 Unit is within the waiting period of the operation block ing function as a result of low water pressure temper...

Page 57: ...0 on 0 off D 014 Target value for pump speed Heating circuit pump target value in 0 auto default setting 1 53 2 60 3 70 4 85 5 100 D 016 Room thermostat 24 V DC at terminal 3 4 only NL 0 Room thermost...

Page 58: ...In minutes D 068 Unsuccessful ignitions at 1st attempt Number D 069 Unsuccessful ignitions at 2nd attempt Number D 071 Target value maximum heating flow temperature Adjustment range in C 40 to 85 fac...

Page 59: ...instructions If you are unable to remedy the fault and the fault reoc curs despite several fault clearance attempts contact Vaillant Customer Service 14 2 7 Querying the fault memory Menu Installer le...

Page 60: ...tion unsuccessful Gas meter defective or gas pressure monitor has been triggered air in gas gas connection pressure gas flow pressure too low Thermal isolator device TAE has been triggered condensate...

Page 61: ...fuse in primary heat exchanger or primary heat exchanger defective F 77 Flue non return flap condensate pump fault No response from flue non return flap or condensate pump defective con No communicat...

Page 62: ...lose the service valves in the heating flow and in the heating return Close the service valve in the cold water pipe Drain the boiler if you want to replace components that carry water section 13 2 2...

Page 63: ...ith a new seal to the gas valve Torque only for VU GB 806 5 5 2 Nm Torque only for VU GB 1006 5 5 and VU GB 1206 5 5 2 8 Nm After installing the new gas valve carry out a leak tight ness test check pr...

Page 64: ...monitoring electrodes Use new seals for this Tightening torque 2 8 Nm Install the gas air mixture unit section 13 5 6 Check that the product functions correctly and check the leak tightness section 1...

Page 65: ...eplace the PCB or display according to the assembly and installation instructions supplied If you are replacing only one component the set parame ters are transferred automatically By switching on the...

Page 66: ...e Drain the heating installation fully section 13 2 3 Press the on off switch 1 The display 2 goes off Isolate the boiler from the power mains Secure the gas line against leaks Dispose of the boiler c...

Page 67: ...R 1 Heating connection on unit Inches G 1 1 4 Gas connection pressure gas flow pressure natural gas G20 kPa mbar 2 20 Connection value at 15 C and 101 3 kPa 1013mbar Natural gas H Hi 9 5 kWh m3 m3 h 8...

Page 68: ...BUS The eBUS is a spe cial bus used in heating technology which assists the com munication between intelligent components in the heating technology In a Vaillant system up to eight different heat gene...

Page 69: ...Appendix ecoTEC plus installation and maintenance instructions 0020134823_01 69 20 20 Appendix Commissioning checklist...

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Page 72: ...ing Condensate drain pipework 20 Controllers 26 Gas line 17 Heating flow 19 Heating return 19 Connection wiring diagram 28 D Decommissioning 66 Diagnostics codes 57 58 Diagnostics level 1 57 Diagnosti...

Page 73: ...lation 22 Gas installation 17 Hydraulic installation 18 Pump group Electrically connecting 24 Pump operating mode 40 41 Pump output 41 Pump overrun 41 57 Purging Heating installation 30 R Removing Fan...

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Page 76: ...0020134823_01 GBIE 122012 Subject to change Manufacturer Supplier...

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