Vaillant ecoTEC plus 618 Specifications

Browse online or download Specifications for Water heaters & boilers Vaillant ecoTEC plus 618. Vaillant ecoTEC plus 618 Specifications User Manual

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For the installer
ecoTEC plus 612
ecoTEC plus 615
ecoTEC plus 618
ecoTEC plus 624
ecoTEC plus 630
ecoTEC plus 637
ecoTEC plus 824
ecoTEC plus 831
ecoTEC plus 837
ecoTEC pro 28
Instructions for installation and servicing
ecoTEC
Wall hung room sealed fan assisted condensing boiler
GB
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Summary of Contents

Page 1

For the installerecoTEC plus 612ecoTEC plus 615ecoTEC plus 618ecoTEC plus 624ecoTEC plus 630ecoTEC plus 637ecoTEC plus 824ecoTEC plus 831ecoTEC plus 8

Page 2 - Contents

10 Instructions for installation and servicing ecoTEC3 General requirements3.1 Preliminary remarks for room sealed appli-ancesThis appliance should o

Page 3

11Instructions for installation and servicing ecoTEC 12347865Fig. 3.1 Contents included with delivery of ecoTEC plus system boilersDO NOT remove the

Page 4 - 1 Introduction

12 Instructions for installation and servicing ecoTECbariFP1237654Fig. 3.3 Contents included with delivery of ecoTEC pro combi-nation boilersDO NOT

Page 5 - Introduction 1

13Instructions for installation and servicing ecoTEC 3.5 Gas supplyThe gas supplier should ensure the availability of an adequate supply of gas. A gas

Page 6 - 2 Boiler specifications

14 Instructions for installation and servicing ecoTEC3.7 Flue terminationThe following details refer to both flue systems.a. The terminal must be loc

Page 7 - Boiler specifications 2

15Instructions for installation and servicing ecoTEC 3.9 Electrical supplyA 230 V, ~ 50 Hz single phase electricity supply fused to 3 Amp. must be pro

Page 8

16 Instructions for installation and servicing ecoTECVessel Volume [L]Initial system pressure (bar) 1.0 1.5Pressure relief valve setting (bar) 3.0Tota

Page 9

17Instructions for installation and servicing ecoTEC – 5 mm either side of the boiler– 180 mm below the boiler– 165 mm* above the boiler when utili

Page 10 - 3 General requirements

18 Instructions for installation and servicing ecoTEC4.2 Flue exit• If using rear flue mark the position of the air/flue duct and its circumference.O

Page 11 - General requirements 3

19Instructions for installation and servicing ecoTEC 4.8 Gas connection NoteWith the spacer frame (Art. No 308 650), the pipes can be fitted verticall

Page 12

2ContentsInstructions for installation and servicing ecoTECContents1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 41.1 Notes

Page 13

20 Instructions for installation and servicing ecoTECbar1234567Fig. 4.7 Installing the hot and cold water connection (ecoTEC pro combination boiler)

Page 14

21Instructions for installation and servicing ecoTEC b) connecting into the internal discharge branch (e.g. sink waste or washing machine) with an ext

Page 15

22 Instructions for installation and servicing ecoTECecoTEC plus system boiler12345Fig. 4.11 Heating-side flow and return connection for ecoTEC plus

Page 16

23Instructions for installation and servicing ecoTEC Danger!This appliance must be earthed. Danger!Mains connection terminals L and N remain live eve

Page 17 - Fig. 4.2 Assembly template

24 Instructions for installation and servicing ecoTEC4.13.3 Electric board layoutBurner cable harnessHydraulic cable harnessConnection for externale

Page 18

25Instructions for installation and servicing ecoTEC X 2BUS— +24V7 8 9230VL N 3 4 5X 20X40X31X12X41Electronic control box

Page 19

26 Instructions for installation and servicing ecoTECX 2BUS 24V7 8 9— +230VL N 3 4 5X 20X40X31X12X41Electronic control bo

Page 20

27Instructions for installation and servicing ecoTEC 4.14 Controls4.14.1 Vaillant controls and accessoriesController Item no. ConnectionVRC 400 (1-cir

Page 21

28 Instructions for installation and servicing ecoTEC4.16 Frost protectionThe boiler has an integral frost thermostat which is designed for protection

Page 22

29Instructions for installation and servicing ecoTEC 5.4.1 Checking the filling pressure of the heating systembariFPplus probar12Fig. 5.1 Checking t

Page 23 - -+789 LN 345

3Instructions for installation and servicing ecoTECContents7 Inspection and maintenance . . . . . . . . . . . . 357.1 Initial inspection . . . .

Page 24

30 Instructions for installation and servicing ecoTEC5.4.3 Filling the heating system in ecoTEC pro com-bination boilers and ecoTEC plus system boil-

Page 25 - Electronic control box

31Instructions for installation and servicing ecoTEC 5.7 Adjusting the pumping capacityOnly in ecoTEC plus boilers:The capacity of the two-stage pump

Page 26

32 Instructions for installation and servicing ecoTEC Natural gas:DO NOT proceed with adjustment or attempt to put the unit into service if the inlet

Page 27

33Instructions for installation and servicing ecoTEC 5.11 Adjusting the central heating output (range rating)The boilers are fully modulating for cen

Page 28 - 5 Commissioning Part I

34 Instructions for installation and servicing ecoTEC6.1.2 Heating• Switch on the appliance.• Make sure that there is a heating demand.• Press “i” t

Page 29 - Commissioning Part I 5

35Instructions for installation and servicing ecoTEC with the heat input (kW) and temperature difference between flow and return.• Leave the user ins

Page 30

36 Instructions for installation and servicing ecoTEC7.1.2 MaintenanceBefore commencing any servicing or maintenance work, carry out an initial inspec

Page 31

37Instructions for installation and servicing ecoTEC 7.2 Servicing the burner module7.2.1 Removing the burner moduleThe burner module consists of th

Page 32

38 Instructions for installation and servicing ecoTEC3412Fig. 7.3 Cleaning the integral condensation heat exchanger• Dismantle the burner module as d

Page 33

39Instructions for installation and servicing ecoTEC • Reconnect the HT lead (5) and earth lead (6) to the spark electrode.• Insert the cables (8) o

Page 34

4 Instructions for installation and servicing ecoTEC1 Introduction1 Introduction1.1 Notes on the documentationThe following information is intended t

Page 35 - Inspection and maintenance 7

40 Instructions for installation and servicing ecoTEC7.4 Checking the expansion vessel1Fig. 7.10 Checking expansion vessel admission pressure NoteIt

Page 36 - 7 Inspection and maintenance

41Instructions for installation and servicing ecoTEC 8.1.1 Status codesThe status codes that you can see on the display pro-vides information about th

Page 37

42 Instructions for installation and servicing ecoTECFirst Diagnostic level• Press the “i” and “+” keys simultaneously.The display shows “d.0”.• Use

Page 38

43Instructions for installation and servicing ecoTEC Second diagnostic level• As described above in the first diagnostic level, scroll through the di

Page 39

44 Instructions for installation and servicing ecoTECDisplay Meaning Display value/adjustable valued.78 Storage charging temperature limit (target flo

Page 40 - 8 Troubleshooting

45Instructions for installation and servicing ecoTEC Code Meaning CauseF.25 Interruption in the compact thermal module cable har-nessCompact thermal m

Page 41 - Troubleshooting 8

46 Instructions for installation and servicing ecoTEC8.4 Test programsSpecial functions can be triggered on the appliances by activating various test

Page 42

47Instructions for installation and servicing ecoTEC 1Fig. 9.1 Replacing burner• Loosen the 4 screws (1) on burner, and remove the burner.• Mount th

Page 43

48 Instructions for installation and servicing ecoTEC1234Fig. 9.4 Replacing expansion vessel• Undo the nut (4) on the water pipe on the lower side of

Page 44

49Instructions for installation and servicing ecoTEC321Fig. 9.6 Primary heat exchanger holder• Disconnect the plug-in connection (2) of the thermal f

Page 45

5Instructions for installation and servicing ecoTEC The Valliant ecoTEC are state-of-the-art appliances which have been constructed in accordance with

Page 46 - 9 Parts replacement

50 Instructions for installation and servicing ecoTEC21Fig. 9.7 Carrying out measurement of CO2 levels, preparing for air-ratio adjustment• Measure t

Page 47 - Parts replacement 9

51Instructions for installation and servicing ecoTECAppendixAppendix

Page 52

839592_03 GB 03 2006

Page 53

6 Instructions for installation and servicing ecoTEC2 Boiler specifications2.1 Technical dataTechnical dataecoTEC plusecoTEC pro28Units824 831 837CH h

Page 54

7Instructions for installation and servicing ecoTEC Technical dataecoTEC plusUnits612 615 618 624 630 637CH heat output range 80 °C flow/60 °C return

Page 55

8 Instructions for installation and servicing ecoTEC2.2 Dimensions2412064272088312510010044035 35130180300ecoTEC plus 630:334ecoTEC plus 637,ecoTEC pl

Page 56 - 839592_03 GB 03 2006

9Instructions for installation and servicing ecoTEC 2.4 Installation1234657891413121011Fig. 2.2 Function elements of combination boilersLegend:1 Expan

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