Vaillant ecoTEC plus - Vaillant Service

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Vaillant service

Instructions for installation and servicing ecoTEC 839592_13 73

11 Vaillant service

To ensure regular servicing, it is strongly recommended

that arrangements are made for a Maintenance Agree-

ment. Contact Vaillant Service Solutions

(0870 6060 777) for further details.

Main Page

Table of Contents2
Introduction4
Notes on the Documentation4
Applicable Documents4
Retention of Documents4
Safety Instructions and Symbols4
Validity of the Manual4
General Notes5
Intended Use5
CE Marking5
Gas Council Numbers6
Boiler Specifications7
Technical Data7
Dimensions9
Installation10
Type Plate10
General Requirements11
Preliminary Remarks for Room Sealed Appliances11
Related Documents11
Contents Included with Delivery12
Installation Site14
Gas Supply15
Flue Pipe15
Standard 100 MM Flue System15
Optional 125 MM Flue System15
Flue Termination16
Air Supply17
Electrical Supply17
Guide to System Requirements18
Water Circulation System18
Filling and Preparing Heating System18
Pressure Relief Valve20
Pressure Gauge20
Expansion Vessel20
Pump Specifications20
Circulating Pump20
System By-Pass21
Venting21
Condensate Trap21
Boiler Installation Sequence22
Transporting the Appliance22
Required Minimum Distances/Assembly Clearances23
Select Position for Boiler23
Unpack the Boiler24
Using Boiler Template24
Flue Exit25
Fitting the Boiler Hanging Bracket25
Installing the Flue System25
Fitting the Boiler25
Removing the Front Case25
General Instructions for Heating System26
Gas Connection26
Cold Water Mains Inlet and Hot Water Outlet (Ecotec Combination Boilers Only)27
Condensate Drain Pipe28
Heating Connection29
Heating Flow and Return Connection29
Pressure Relief Valve31
Connecting the Flue System to the Boiler31
Electrical Connection31
General Requirements31
Connection to the Main Supply32
Electric Board Layout34
Controls37
Vaillant Controls and Accessories37
External Electrical Controls37
Connection Details for External Time Switches and Boiler Terminal Strip38
Vaillant Optional Plug in Timer Accessories38
Connection Details Using the VR 65 Control Center38
Thermostatic Radiator Valves38
Frost Protection38
Circulating Pump38
Anticycling 'Economiser' Control38
Automatic Pump Spin Control (APS)38
Commissioning Part I39
Preliminary Electrical Checks39
Gas Supply39
Cold Water Supply (Ecotec Combination Boilers Only)39
Filling and Bleeding the Heating System39
Checking the Filling Pressure of the Heating System39
Ecotec Plus Combination Boiler Filling Loop40
Filling the Heating System in Ecotec Pro Combination Boilers and Ecotec Plus System Boilers40
Filling the Heating System for the First Time40
Initial System Flush ("Cold")41
Filling the Condensate Siphon41
Adjusting the Pumping Capacity41
Adjusting the By-Pass42
Checking the Gas Setting42
Checking for Tightness of the Flue Gas Installation and Flue Gas Recirculation43
Checking the Gas Flow Rate43
Checking the Gas Inlet Working Pressure44
Refitting the Case47
Adjusting the Central Heating Output (Range Rating)47
Gas Changeover47
Functional Checks (Commissioning Part II)48
Functional Checks48
Procedure48
Heating48
Water Heating (Combination Boilers Only)48
Final Flush of the Heating System ("Hot")48
Handing over to the User49
Factory Guarantee49
Inspection and Maintenance50
Inspection and Maintenance Intervals50
General Inspection and Maintenance Instructions50
Safety Instructions51
Checking the CO2 Concentration51
Adjusting the CO2 Concentration (or the Air Ratio)52
Inspection and Maintenance Work Steps54
Servicing the Burner Module55
Removing the Burner Module55
Cleaning the Integral Condensation Heat Exchanger56
Checking the Burner57
Refitting the Burner Module57
Cleaning the Condensate Siphon58
Checking the Expansion Vessel58
Recommissioning the Boiler58
Test Operation59
Troubleshooting60
Logical Fault Finding Procedure60
Status Codes60
Diagnostic Codes61
Fault Codes64
Fault Memory65
Test Programs67
Resetting Parameter to Factory Settings67
Parts Replacement68
Safety Instructions68
Replacing Burner68
Replacing Fan or Gas Valve68
Replacing Expansion Vessel69
Replacing Primary Heat Exchanger70
Replacing Electronics and Display71
Recycling and Disposal72
Vaillant Service73
EC Declaration of Conformity74

Vaillant ecoTEC plus - Vaillant Service

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