839592 02GB 032005 IAecoTEC - Vaillant

1 For the installerecoTEC plus 612ecoTEC plus 615ecoTEC plus 618ecoTEC plus 624ecoTEC plus 630ecoTEC plus 824ecoTEC plus 831ecoTEC pro 28 Instructions for installation and servicingecoTECWall hung room sealed fan assisted condensing boilerGB2 ContentsInstructions for installation and servicing ecoTECC ontents1 Introduction .. Notes on the documentation .. Applicable documents .. Retention of documents .. Safety instructions and symbols .. Introduction .. General Notes.

2 CE marking .. Gas council numbers .. 52 Boiler specifications .. Technical data.. Dimensions .. Installation.. Type plate .. 93 General requirements .. Preliminary remarks .. Related documents .. Contents included with delivery .. Installation site .. Gas supply .. Flue pipe .. Standard 100 mm flue system .. Optional 125 mm flue system.

3 Flue termination.. Air supply .. Electrical supply .. Guide to system requirements.. Water circulation system .. Filling and preparing heating system .. Pressure relief valve .. Pressure gauge.. Expansion vessel .. Pump specifications .. Circulating pump .. System by-pass.. Venting.. Condensate trap .. 164 Boiler installation sequence .. Required minimum distances/assembly clearances.

4 Select position for boiler .. Unpack the boiler.. Using boiler template .. Flue exit .. Fitting the boiler hanging bracket .. Installing the flue system .. Fitting the boiler .. Removing the front case .. General instructions for heating system .. Gas connection .. Cold water mains inlet and hot water outlet (ecoTEC combination boilers only) .. Condensate drain pipe .. Heating connection.

5 Heating flow and return connection.. Pressure Relief Valve.. Connecting the flue system to the boiler .. Electrical connection .. General requirements .. Connection to the main supply .. Electric board layout .. Controls .. Vaillant controls and accessories .. External electrical controls .. Connection details for external time switches and boiler terminal strip .. Vaillant optional plug in timer accessories .. Connection details using the VR 65 Control Center.

6 Thermostatic radiator valves .. Frost protection .. Circulating pump .. Anticycling economiser control .. Automatic pump spin control (APS) .. 285 Commissioning Part I .. Preliminary electrical checks .. Gas supply .. Cold water supply (ecoTEC combination boilers only) .. Filling the heating system .. Checking the filling pressure of the heating system .. ecoTEC plus combination boiler filling loop .. Filling the heating system in ecoTEC pro combination boilers and ecoTEC plus system boilers.

7 Filling the heating system for the first time .. Initial system flush ( cold ) .. Filling the condensate siphon .. Adjusting the pumping capacity .. Adjusting the by-pass .. Checking the gas supply.. Factory settings .. Gas inlet working pressure.. Checking the gas rate .. Refitting the case .. Adjusting the central heating output (range rating).. Gas changeover .. 336 Functional checks (commissioning part II).

8 Functional checks.. Procedure .. Heating.. Water heating (combination boilers only) .. Final flush of the heating system ( hot ) .. Handing over to the user .. 347 Inspection and maintenance .. Initial inspection .. Safety instructions.. Maintenance .. 353 Instructions for installation and servicing Overview of the maintenance tasks .. Functional check of boiler operation .. Servicing the burner module .. Removing the burner module.

9 Cleaning the integral condensation heat exchanger .. Checking the burner .. Refitting the burner module .. Cleaning the condensate siphon .. Checking the expansion vessel .. Recommissioning the boiler.. Test operation.. 398 Troubleshooting .. Logical fault finding procedure .. Status codes .. Diagnostic codes .. Fault codes .. Fault memory .. Test programs .. Resetting parameter to factory settings.

10 449 Parts replacement.. Safety instructions.. Replacing burner .. Replacing fan or gas valve .. Replacing expansion vessel .. Replacing primary heat exchanger.. Replacing electronics and display.. Check CO2 content and if necessary set (air-ratio adjustment) .. 4710 Recycling and disposal .. Appliance .. Packaging .. 48 Appendix EG declaration of conformity .. 49 Benchmark gas boiler commissioning checklist.