manualshive.com logo in svg

Vaillant ecoTEC plus VU 446/5-5 (H-GB), Installation And Maintenance Instructions Manual

Share
Download
Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual Download Page 51

Appendix

0020261389_02 ecoTEC plus Installation and maintenance instructions

51

1

Main PCB (BMU)

2

PCB for the control element (AI)

3

Gas valve assembly

4

Temperature sensor in the heating flow

5

Temperature sensor in the heating return

6

Pressure switch

7

Control signal for the fan

8

Plug that is enclosed with the system control (op-
tional)

9

Temperature sensor for the low loss header (op-
tional)

10

Plug for the domestic hot water cylinder's temperat-
ure sensor (optional)

11

Plug for the domestic hot water cylinder's contact
(optional)

12

Water pressure sensor

13

Heating pump control signal

14

Control of the optional relay

D.026

15

Power supply for the prioritising diverter valve or
domestic hot water charging pump (optional)

16

Fan power supply

17

Power supply for the heating pump

18

Igniter

19

Ignition electrode

Summary of Contents for ecoTEC plus VU 446/5-5 (H-GB)

Page 1: ...aintenance instructions ecoTEC plus VU 446 5 5 H GB VU 606 5 5 H GB GB IE NZ Publisher manufacturer Vaillant GmbH Berghauser Str 40 D 42859 Remscheid Tel 492191 18 0 Fax 492191 18 2810 info vaillant d...

Page 2: ...7 4 Filling the heating installation 23 7 5 Starting up the product 24 7 6 Running the installation assistants 24 7 7 Preventing low water pressure 25 7 8 Flushing the heating installation for the fi...

Page 3: ...s the following observance of accompanying operating installation and maintenance instructions for the product and any other system com ponents installing and setting up the product in ac cordance wit...

Page 4: ...liquid gas may accumulate at floor level if there are any leaks In this case there is a risk of explosion Make sure that liquid gas cannot escape from the product or the gas pipe under any circumstanc...

Page 5: ...burns caused by escaping hot flue gases Only operate the product if the air flue pipe has been completely installed With the exception of short periods for testing purposes only operate the product wh...

Page 6: ...s flow sensor During repair work do not apply any leak detection sprays or fluids to the covering cap on the filter for the Venturi 1 3 20 Risk of damage to the flexible gas pipe The corrugated gas pi...

Page 7: ...ng Regu lations The Benchmark Checklist can be used to demon strate compliance with Building Regulations and should be provided to the customer for future reference Installers are required to carry ou...

Page 8: ...comply with the basic requirements of the applicable directives as stated on the data plate The declaration of conformity can be viewed at the manufac turer s site 3 6 Energy Saving Trust Endorsed Pro...

Page 9: ...he cardboard box from the delivery van Applicability Great Britain OR Ireland It is recommended that two people lift the product to gether Use safe lifting techniques keep your back straight and bend...

Page 10: ...uced to 5 mm if there is a door in front of the product 4 6 Clearance from combustible components It is not necessary to maintain a clearance between the product and components made of combustible mat...

Page 11: ...ing clips on the front casing snap into place 5 Tighten the screw E in order to secure the front cas ing 4 10 Removing installing the side section 4 10 1 Removing the side section Caution Risk of mate...

Page 12: ...ng circuit 4 Domestic hot water cylinder To use this basic diagram type ensure that the product works within the defined operating ranges Page 30 Number for the basic diagram Control system Number of...

Page 13: ...gnostics code D 026 to 2 Overview of diagnostics codes Applicability VU 446 5 5 H GB OR VU 606 5 5 H GB Page 42 5 1 3 Basic system diagram type 3 Decoupled heating circuit plus one decoupled domestic...

Page 14: ...ion pump to the plug X16 on the main PCB Connect the external prioritising diverter valve to the plug X13 on the main PCB Connect the temperature sensor for the low loss header to plug X41 on the main...

Page 15: ...diagram Page 50 5 4 Requirements Make sure that the existing gas meter is capable of passing the rate of gas supply required Page 62 If the hydraulic circuit contains a pump other than the one for th...

Page 16: ...duct under pressure use a max test pressure of 11 kPa 110 mbar If you cannot limit the test pressure to 11 kPa 110 mbar close any gas stop cocks that are installed upstream from the product before you...

Page 17: ...D 8 9 10 11 12 7 2 3 4 1 6 5 13 14 2 Assemble the heating return connection as shown by numbers 7 to 12 3 Assemble the heating flow connection as shown by numbers 1 to 6 4 Insert the seals 14 5 Insta...

Page 18: ...of delivery to the condensate dis charge hose 2 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 wa...

Page 19: ...e electronics box 4 Hinge the cover C up 5 7 1 2 Closing the electronics box 1 Close the cover by pushing it downwards onto the elec tronics box 2 Ensure that all of the clips audibly click into the r...

Page 20: ...rol to the BUS plug Bridge the 24V RT plug if it is not already bridged 3 Alternatives 2 Connecting a 24 V extra low voltage room temperature control Instead of the bridge connect the control to the 2...

Page 21: ...el Appliance config The setting options for more complex installations can be found in the Diagnostics menu Menu Installer level Diagnostics menu Overview of diagnostics codes Applicability VU 446 5 5...

Page 22: ...ngle heating output is to be used Applicability Great Britain OR Ireland Total heating output Water hardness at specific system volume 1 20 l kW 20 l kW 50 l kW 50 l kW kW ppm CaCO mol m ppm CaCO mol...

Page 23: ...Open all thermostatic radiator valves 6 If necessary check that both service valves on the product are open 7 Slowly open the filling draining cock 1 so that the wa ter flows into the heating installa...

Page 24: ...inimum filling pressure Minimum heating installation filling pressure 0 08 MPa 0 80 bar Note Check programme P 00 runs for approx 6 5 minutes for each circuit At the end of the filling procedure the f...

Page 25: ...rams You can activate various special functions in the product by using various check programmes Display Meaning P 00 Purging check programme The internal pump is cyclically actuated The heating circu...

Page 26: ...ol lows Start up the product with the check programme P 01 In addition ensure that maximum heat can be dissipated into the heating system by turning up the room thermo stat Wait at least 5 minutes unt...

Page 27: ...age and operating faults caused by incorrect gas flow pres sure If the gas flow pressure lies outside the per missible range this can cause operating faults in and damage to the product Do not make an...

Page 28: ...is supplied with the product Follow the instructions in the manual for the conversion set to carry out the gas conversion on the product 7 11 Checking leak tightness Check the gas pipe the heating cir...

Page 29: ...stallation and the needs of the customer Press or to change the diagnostics code Press Select to select the parameter to change Press or to change the current setting Confirm by pressing OK 8 2 Adapti...

Page 30: ...he target values for the available pressure in mbar can be called up via the diagnostics codes D 122 for the heating circuit D 148 for the domestic hot water circuit If required you can manually set t...

Page 31: ...supplied in the end user s language to the front of the product 2 Explain to the end user how the safety devices work and where they are located 3 Inform the end user how to handle the product Answer...

Page 32: ...t of the declaration of conformity If you use other non certified or unauthorised parts during maintenance or repair work this may void the conformity of the product and it will therefore no longer co...

Page 33: ...e pipe and the fan flange 6 Replace the seal 6 3 1 2 4 7 Remove the entire unit from the fan Venturi and gas valve assembly 8 Undo the nuts 1 on the gas valve assembly 9 Remove the clip 2 10 Undo the...

Page 34: ...t and adjust this if required Condition Venturi Check the CO content and adjust this if re quired Condition Fan Check the CO content and adjust this if re quired 10 9 5 Replacing the heat exchanger 1...

Page 35: ...lace the pressure sensor 5 Fill and purge the product and if necessary the heating installation 10 9 7 Replacing the heating flow and return temperature sensor Applicability VU 446 5 5 H GB 3 1 2 4 Pu...

Page 36: ...e user interface 4 Remove the PCB for the user interface B 5 Install the new PCB for the user interface 6 Plug the plug into the new PCB for the user interface 7 Reinstall the main PCB 10 9 9 3 Replac...

Page 37: ...ng any of the components Page 40 11 3 1 Preparing the cleaning and inspection work 1 Decommission the product 2 Disconnect the product from the power grid Take all necessary precautions to ensure that...

Page 38: ...r nuts on the threaded pin 1 or tighten them 2 Clean the spiral immersion heater 2 of the heat ex changer using water or if required vinegar up to a maximum acid content of 5 Allow the vinegar to act...

Page 39: ...xing screws 2 3 Carefully remove the electrode 3 from the combustion chamber 4 Ensure that the electrode ends are undamaged 5 Clean and check the gap between the electrodes Clearance for the ignition...

Page 40: ...he pipe and insert the clip 11 3 10 Checking the pre charge pressure of the external expansion vessel 1 Depressurise the heating installation 2 Measure the pre charge pressure of the expansion ves sel...

Page 41: ...mission the product Disconnect the product from the power grid Close the gas stopcock Close the heating stopcocks Drain the product Page 40 13 Recycling and disposal Disposing of the packaging Dispose...

Page 42: ...itation by an eBUS con trol if connected Not ad justable D 007 Target value for the domestic hot water cylinder temperature in C 15 C frost protection 40 C up to D 020 max 70 C Not ad justable D 009 H...

Page 43: ...xternal pump 3 Cylinder charging pump not activated 4 Smoke flap 5 External solenoid valve 6 External fault message 7 Solar pump not active 8 eBUS remote control not active 9 Anti legionella pump not...

Page 44: ...ner for domestic hot water generation h Not ad justable D 082 Number of burner start ups in heat ing mode Number of burner start ups x 100 Not ad justable D 083 Number of burner starts in domestic hot...

Page 45: ...rging mode S 20 Domestic hot water requirement S 21 DHW mode Fan start up S 22 Domestic hot water mode Pump running S 23 DHW mode Ignition S 24 DHW mode Burner on S 25 DHW mode Pump fan overrun S 26 D...

Page 46: ...TC sensor defective Replace the NTC sensor Short circuit in the cable har ness Check the cable harness F 13 Cylinder temperature sensor short circuit NTC sensor defective Replace the NTC sensor Short...

Page 47: ...ostics code D 085 has been set correctly Page 19 Condensate siphon blocked 1 Check whether the condensate discharge is connected cor rectly Page 18 2 If the drain is blocked check whether the heat exc...

Page 48: ...CB defective Replace the PCB F 70 Invalid device specific number DSN Device Specific Number not set is incorrect Set the correct Device Specific Number Output range coding resistor missing or is incor...

Page 49: ...ue non return flap condensate pump etc No feedback from the flue non return flap or the feedback is incorrect Check that the flue non return flap works without any prob lems Flue non return flap defec...

Page 50: ...RF AF FB RT X51 X51 L N L N L N L N 24V RT BUS Burner off FUS X20 X2 X16 X13 X11 X18 X40 X51 X30 X22 X41 X24 X1 X100 X35 X90 X12 X31 24V 230V X11 L N X18 L N X1 L N 1 2 3 4 L N X13 X51 eBUS Burner of...

Page 51: ...th the system control op tional 9 Temperature sensor for the low loss header op tional 10 Plug for the domestic hot water cylinder s temperat ure sensor optional 11 Plug for the domestic hot water cyl...

Page 52: ...Appendix 52 Installation and maintenance instructions ecoTEC plus 0020261389_02 E Basic installation diagram E 1 0020253233...

Page 53: ...Appendix 0020261389_02 ecoTEC plus Installation and maintenance instructions 53 E 2 0020259030...

Page 54: ...perature sensor Components that have been used multiple times x are numbered consecutively x1 x2 xn F Inspection and maintenance work Overview The table below lists the manufacturer requirements with...

Page 55: ...king the burner at regular intervals 38 13 Checking the ignition electrode at regular intervals 39 14 Cleaning the condensate siphon Annually 39 15 Cleaning the filter in the dynamic air separation sy...

Page 56: ...0261389_02 G Commissioning Checklist Applicability Great Britain Heating and Hotwater Industry Council HHIC www centralheating co uk Benchmark Commissioning and Servicing Section It is a requirement t...

Page 57: ...th the appropriate Building Regulations and then handed to the customer to keep for future reference GAS BOILER SYSTEM COMMISSIONING CHECKLIST CONTROLS Optimum start control Fitted Fitted Fitted Fitte...

Page 58: ...g system is serviced regularly and that the appropriate Service Interval Record is completed Service Provider SERVICE RECORD SERVICE 01 AND AND SERVICE 02 AND AND SERVICE 03 AND AND SERVICE 04 AND AND...

Page 59: ...ow to set boiler to minimum rate contact Technical Helpline for advice CHECK CO AND COMBUSTION RATIO AT MINIMUM RATE With boiler still set at minimum rate insert analyser probe into flue gas sampling...

Page 60: ...e g plastic gutters down pipes or wastewater pipes 75 mm E Below eaves 200 mm F Below balconies or car port roofs 200 mm G From vertical wastewater pipes or down pipes 150 mm H From external or intern...

Page 61: ...ured air flue gas pipe The flue pipe must protrude beyond any overhang 2 Dimension H This clearance may be reduced to 25 mm without affecting the performance of the boiler However in order to ensure t...

Page 62: ...Pa 4 0 bar Safety discharge of expansion relief valve 0 4 MPa 4 0 bar 0 4 MPa 4 0 bar Nominal water flow T 20 K 1 900 l h 2 500 l h Approximate value for the condensate volume pH value between 3 5 and...

Page 63: ...3 C93 B23 B23 P B33 B53 B53 P C13 C33 C43 C53 C93 B23 B23 P B33 B53 B53 P Flue gas temperature in heating mode 50 30 C at P min 37 37 Flue gas temperature in heating mode at P max 50 30 C 53 61 Flue g...

Page 64: ...parameters 32 Fault code 31 Fault memory 32 Filling the heating installation 23 Flow temperature maximum 31 Flue gas route 4 Flue system 19 From the delivery point to the installation site 9 Front cas...

Page 65: ...ents 37 Serial number 8 Service message 31 Service partner 31 Setting the CO content 27 Setting the pump curve 30 Setting the pump output 30 Side section installing 11 Side section removing 11 Spare p...

Page 66: ......

Page 67: ......

Page 68: ...llant co uk www vaillant co uk Vaillant Group International GmbH Berghauser Strasse 40 42859 Remscheid Tel 492191 18 0 www vaillant info These instructions or parts thereof are protected by copyright...

Reviews:

No comments

Brands by name

Popular brands

Load more brands