Vaillant ecoTEC VUW User Manual

Name: Vaillant ecoTEC VUW
Brand: Vaillant
Rating: 4 (1 reviews)

76 pages

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Notes on the documentation

Installation and maintenance instructions ecoTEC 0020173113_01 5

1.7 Type overview

Unit type

ecoTEC

Designated coun-

try (designation in

accordance with

ISO 3166)

Approval

category

22 (VU GB 226/5-3)

GB (Great Britain)

IE (Ireland)

2H3P

26 (VUW GB 266/5-3)

GB (Great Britain)

IE (Ireland)

2H3P

1.2 Type overview

Default Chapter2
- Table of Contents2
1 Notes on the Documentation4
- Storing Documents4
- Symbols Used4
- Applicability of the Instructions4
- Identification Plate4
- CE Label4
- Benchmark4
- Type Overview5
2 Safety6
- Safety and Warning Information6
- Classification of Warnings6
- Structure of Warnings6
- Intended Use6
- Basic Safety Instructions6
- General Requirements7
- Related Documents7
- Installation Site8
- Gas Supply8
- 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 Measurements17
- Wall-Mounting the Boiler18
- Removing/Fitting the Front Casing18
- Removing/Fitting the Side Panel19
5 Gas Installation20
- Preparing for Installation20
- Connecting the Gas Pipe20
6 Hydraulic Installation21
- Preparing for Installation21
- Connecting the Hot and Cold Water (VUW Boiler)22
- Connecting the Domestic Hot Water Cylinder22
- Connecting the Heating Flow and Heating Return22
- VUW Boiler22
- VU Boiler22
- Low Loss Header23
- Connecting the Condensate Discharge Pipework23
- Connecting the Discharge Pipe to the Expansion Relief Valve on the Boiler23
7 Flue Gas Installation25
- Air/Flue Gas Duct25
- Flue Termination26
8 Electrical Installation29
- Preparing for Installation29
- Opening/Closing the Electronics Box29
- Establishing the Mains Connection29
- Connecting the Controller30
- Fitting the Controller30
- Connecting Controllers to the Electronic System31
- Connecting Additional Components Via VR 40 - Connecting a "2 in 7" Multi-Functional Module31
- Connection Wiring Diagrams32
9 Operation34
- Overview of the Read-Off and Setting Options34
- Calling up the Installer Level34
10 Commissioning35
- Switching on the Boiler35
- Using Test Programs35
- Preparing the Heating Water36
- Read off the Filling Pressure36
- Filling and Purging the Heating Installation36
- Filling the Heating Installation36
- Purging the Heating System37
- Flushing the System for the First Time ("Cold")37
- Avoiding Low Water Pressure37
- Fill and Purge the Hot Water System37
- Filling the Condensate Trap38
- Converting the Boiler for Operation on the Channel Islands38
- Adjusting the Boiler to the Gas Used on the Channel Islands39
- Checking for Tightness of the Flue Gas Installation and Flue Gas Recirculation40
- Checking the Gas Flow Rate41
- Carrying out a Full Function Test41
- Checking the Heating Mode42
- Checking the Hot Water Generation (VUW Boilers Only)42
- Checking Hot Water Generation (VU Boilers Only)42
- Final Flush of the Heating System ("Hot")42
11 Adapting the Boiler to the Heating Installation43
- Diagnosis Codes - Overview43
- Setting the Heating Partial Load47
- Setting Pump Overrun Time and Pump Operating Mode47
- Setting the Maximum Flow Temperature47
- Setting the Return Flow Temperature Control47
- Burner Anti-Cycling Time47
- Setting the Maintenance Interval48
- Setting the By-Pass Valve48
- Handing over the Boiler to the Operator49
12 Inspection and Maintenance50
- Inspection and Maintenance Intervals50
- General Inspection and Maintenance Instructions50
- Safety Instructions51
- Checking the CO/CO Ratio and the CO Concentration51
- Adjusting the CO 2 Concentration (or the Air Ratio)52
- Inspection and Maintenance Work Steps54
- Filling the Boiler and the Heating Installation55
- Draining the Boiler55
- Draining the Entire Heating Installation55
- Carrying out Maintenance Work55
- Removing the Compact Thermal Module55
- Cleaning the Heat Exchanger56
- Checking the Burner56
- Cleaning the Condensate Trap57
- Cleaning the Filter in the Cold Water Inlet (VUW Boilers Only)57
- Installing the Compact Thermal Module58
- Checking the Charge Pressure of the Expansion Vessel58
- Checking the Gas Flow Pressure59
- Checking CO 2 Content59
13 Troubleshooting60
- Contact Vaillant Service Solutions (0870 6060 777)60
- Performing Diagnostics60
- Calling up Live Monitor (Status Codes)60
- Status Codes - Overview60
- Service Messages61
- Calling up Diagnosis Levels61
- Reading off the Fault Codes61
- Querying the Fault Memory61
- Resetting the Fault Memory61
- Overview of Fault Codes62
- Running Test Programs63
- Resetting Parameters to Factory Settings63
14 Replacing Components64
- Preparing for and Completing Replacement Work64
- Preparing for Replacement Work64
- Completing Replacement Work64
- Replacing the Burner64
- Replacing the Fan or the Gas Valve64
- Replacing the Expansion Vessel65
- Replacing the Heat Exchanger66
- Replacing the PCB And/Or the Display67
- Replacing Either the Display or the PCB67
- Replacing the PCB and the Display at the same Time67
15 Decommissioning68
- Temporarily Shutting down the Boiler68
- Taking the Boiler Permanently out of Service68
- Disposing of the Boiler68
16 Guarantee and Customer Service68
- Factory Guarantee68
- Vaillant Service68
17 Technical Data69
18 Glossary70
19 Appendix71
- Service Interval Record73
- Index74

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Vaillant ecoTEC VUW Specifications

General

Mounting	Wall-mounted
Type	Combi Boiler
Fuel Type	Natural Gas
DHW Flow Rate	Up to 14.3 l/min (depending on model)
Dimensions (H x W x D)	720 mm x 440 mm x 338 mm (varies by model)
Heating Capacity	Up to 35 kW (depending on model)
Warranty	2-5 years (depending on installer and registration)
Heating Output	35kW (depending on model)