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Vaillant ecoMAX SERIES Instructions For Installation And Servicing

Vaillant ecoMAX SERIES
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3
Table of contents
Instructions for installation and servicing ecoMAX 3
7 Servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
7.1 Inspection and maintenance . . . . . . . . . . . . . . . 41
7.2 Initial inspection . . . . . . . . . . . . . . . . . . . . . . . . 41
7.2.1 Removing the compact thermal module . . . . . 41
7.2.2 Inspect main heat exchanger . . . . . . . . . . . . . . 42
7.2.3 Inspect burner . . . . . . . . . . . . . . . . . . . . . . . . . . 42
7.2.4 Refitting the compact thermal module . . . . . . 43
7.2.5 Cleaning the condensate trap . . . . . . . . . . . . . 43
7.2.6 Check expansion vessel . . . . . . . . . . . . . . . . . . . 43
7.3 Recommissioning the boiler . . . . . . . . . . . . . . . 44
7.4 Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
8 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . 44
8.1 Logical fault finding procedure . . . . . . . . . . . . 44
8.1.1 Status mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
8.1.2 Diagnosis mode . . . . . . . . . . . . . . . . . . . . . . . . . 46
8.1.3 Fault codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.1.4 Fault memory . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
8.2 Test programs . . . . . . . . . . . . . . . . . . . . . . . . . . 50
9 Parts replacement . . . . . . . . . . . . . . . . . . . 51
9.1 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . 51
9.1.1 Initial preparation . . . . . . . . . . . . . . . . . . . . . . . 51
9.1.2 Removal of burner assembly . . . . . . . . . . . . . . 51
9.2 Replacement of burner . . . . . . . . . . . . . . . . . . . 51
9.3 Replacement of fan . . . . . . . . . . . . . . . . . . . . . . 51
9.4 Replacement of gas valve . . . . . . . . . . . . . . . . . 52
9.5 Replacement of central heating
expansion vessel . . . . . . . . . . . . . . . . . . . . . . . . 52
9.6 Replacement of main heat exchanger . . . . . . . 53
9.7 Replacement of the electronic control board . 54
9.8 Check CO
2
content and adjust if necessary
(air–ratio adjustment) . . . . . . . . . . . . . . . . . . . . 54
10 Recycling and eventual scrapping . . . . . . . . 55
10.1 The appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
10.2 Packing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
83 41 77_12 GB04.04.qxd 22.09.2004 12:34 Uhr Seite 3

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Vaillant ecoMAX SERIES Specifications

General IconGeneral
BrandVaillant
ModelecoMAX SERIES
CategoryBoiler
LanguageEnglish

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