Name: Vaillant ecoTEC pro
Brand: Vaillant
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Installation and maintenance instructions

For the competent person

GB, IE

Installation and maintenance instructions

ecoTEC pro

VUW

Default Chapter1
- Ecotec Pro1
- Table of Contents2
1 Notes on the Documentation4
- Storing Documents4
- Symbols Used4
- Applicability of the Instructions4
- Identification Plate4
- CE Label4
- Benchmark5
- Type Overview5
- Notes on the Documentation 45
2 Safety6
- Safety and Warning Information6
- Classification of Warnings6
- Structure of Warnings6
- Intended Use6
- Basic Safety Instructions6
- Important Information Regarding Propane-Fired Boilers7
- General Requirements7
- Related Documents7
- Installation Site8
- Gas Supply9
- Air Supply9
- Compartment Ventilation9
- Electrical Supply9
- Water Supply Combination Boilers9
- Water Circulation System9
- Pressure Relief Valve10
- Venting10
3 Description of the Appliance11
4 Installation12
- Accessories12
- Controller12
- Installation and Operation12
- Scope of Delivery12
- Unpacking the Boiler12
- Checking the Scope of Delivery12
- Disposing of the Packaging13
- Transporting the Appliance13
- Requirements for the Installation Site15
- Required Minimum Clearances/ Installation Clearances15
- Using Installation Templates15
- Dimension Drawing and Connection Measurements16
- Wall-Mounting the Boiler17
- Removing/Fitting the Front Casing17
- Removing/Fitting the Side Panel18
5 Gas Installation19
- Preparing for Installation19
- Connecting the Gas Pipe19
6 Hydraulic Installation20
- Preparing for Installation20
- Connecting the Hot and Cold Water21
- Connecting the Heating Flow and Heating Return21
- Low Loss Header21
- Connecting the Condensate Discharge Pipework21
- Connecting the Discharge Pipe to the Expansion Relief Valve on the Boiler22
7 Flue Gas Installation23
- Air/Flue Gas Duct23
- Flue Termination24
8 Electrical Installation26
- Preparing for Installation26
- Opening/Closing the Electronics Box26
- Establishing the Mains Connection26
- Connecting the Controller27
- Fitting the Controller27
- Connecting Controllers to the Electronic System28
- Connecting Additional Components Via VR 40 - Connecting a "2 in 7" Multi-Functional Module28
- Connection Wiring Diagram29
9 Operation30
- Overview of the Read-Off and Setting Options30
- Calling up the Installer Level30
10 Commissioning31
- Switching on the Boiler31
- Using Test Programs31
- Preparing the Heating Water32
- Read off the Filling Pressure32
- Filling and Purging the Heating Installation32
- Filling the Heating Installation32
- Purging the Heating System33
- Flushing the System for the First Time ("Cold")33
- Avoiding Low Water Pressure33
- Fill and Purge the Hot Water System33
- Filling the Condensate Trap33
- Identification Plate 434
- Checking the Gas Setting34
- Factory Setting34
- Checking for Tightness of the Flue Gas Installation and Flue Gas Recirculation34
- Checking the Gas Flow Rate35
- Checking the Gas Inlet Working Pressure35
- Carrying out a Full Function Test36
- Checking the Heating Mode37
- Checking the Hot Water Generation37
- Final Flush of the Heating System ("Hot")37
11 Adapting the Boiler to the Heating Installation38
- Diagnosis Codes - Overview38
- Setting the Heating Partial Load42
- Setting Pump Overrun Time and Pump Operating Mode42
- Setting the Maximum Flow Temperature42
- Setting the Return Flow Temperature Control42
- Burner Anti-Cycling Time42
- Setting the Maintenance Interval43
- Setting the By-Pass Valve43
- Handing over the Boiler to the Operator44
12 Inspection and Maintenance45
- Inspection and Maintenance Intervals45
- General Inspection and Maintenance Instructions46
- Safety Instructions46
- Checking the CO/CO Ratio and the CO Concentration46
- Adjusting the CO (or the Air Ratio)47
- Concentration47
- Inspection and Maintenance Work Steps49
- Filling the Boiler and the Heating Installation50
- Draining the Boiler50
- Draining the Entire Heating Installation50
- Carrying out Maintenance Work50
- Removing the Compact Thermal Module50
- Cleaning the Heat Exchanger51
- Checking the Burner51
- Cleaning the Condensate Trap52
- Cleaning the Filter in the Cold Water Inlet52
- Installing the Compact Thermal Module53
- Checking the Charge Pressure of the Expansion Vessel53
- Checking the Gas Flow Pressure54
- Checking CO 2 Content54
13 Troubleshooting55
- Contact Vaillant Service Solutions (0870 6060 777)55
- Performing Diagnostics55
- Calling up Live Monitor (Status Codes)55
- Status Codes - Overview55
- Service Messages56
- Calling up Diagnosis Levels56
- Reading off the Fault Codes56
- Querying the Fault Memory56
- Resetting the Fault Memory56
- Overview of Fault Codes57
- Running Test Programs58
- Resetting Parameters to Factory Settings58
14 Replacing Components59
- Preparing for and Completing Replacement Work59
- Preparing for Replacement Work59
- Completing Replacement Work59
- Replacing the Burner59
- Replacing the Fan or the Gas Valve60
- Replacing the Expansion Vessel60
- Replacing the Heat Exchanger61
- Replacing the PCB And/Or the Display62
- Replacing Either the Display or the PCB62
- Replacing the PCB and the Display at the same Time62
15 Decommissioning63
- Temporarily Shutting down the Boiler63
- Taking the Boiler Permanently out of Service63
- Disposing of the Boiler63
16 Guarantee and Customer Service63
- Factory Guarantee63
- Vaillant Service63
17 Technical Data64
18 Glossary65
19 Appendix66
20 Benchmark Log Book67
21 EC Declaration of Conformity69
- Index70

Model	ecoTEC pro
Fuel Type	Natural Gas
Efficiency Rating	A
Dimensions (H x W x D)	720 x 440 x 338 mm
ErP Rating	A
Mounting	Wall-mounted
Type	Combination Boiler
Efficiency	89.3%
Output	24 kW
Warranty	2 years
Noise level	49 dB

Vaillant ecoTEC pro Installation And Maintenance Instructions

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