Vaillant ecoTEC VU 656/4 Gas Boiler Manuals

Manuals and User Guides for Vaillant ecoTEC VU 656/4 Gas Boiler. We have 3 Vaillant ecoTEC VU 656/4 Gas Boiler manuals available for free PDF download: Installation Manual, Installation And Maintenance Instructions Manual, Operating Manual

Vaillant ecoTEC VU 656/4 Installation And Maintenance Instructions Manual (56 pages)

Gas fired wall hung high efficiency boiler

Brand: Vaillant | Category: Boiler | Size: 10 MB

Table of Contents
2
1.1 Storage of Documents
2
1.2 Safety Instructions and Symbols
2
1.3 Validity of the Instruction Manual
2
1 Notes on the Documentation 1

3
2 Description of the Boiler

4
- Design
  4
- Type Summary
  5
- CE Label
  5
- Intended Use
  5
- Identification Plate
  5
3 Safety Instructions and Regulations 3

5
- Safety Instructions
  5
- Installation and Setting
  5
- Gas Odour
  5
- Changes to the Surroundings of the Boiler
  6
- General Requirements
  6
- Related Documents
  6
- Installation Site
  6
- Gas Supply
  7
- Flue Pipe
  7
- Standard 125 MM Flue Pipe
  7
- Flue Termination
  7
- Air Supply
  9
- Compartment Ventilation
  9
- Electrical Supply
  9
4 Assembly

10
- Scope of Delivery
  10
- Accessories
  10
- Installation Site
  10
- A Caution
  10
- Dimension Drawing and Connection Dimensions
  11
- H Note
  11
- Required Minimum Gaps/Assembly Clearances
  12
- Using the Installation Template
  12
- Mounting the Boiler
  12
- D Danger
  12
- Removing/Attaching the Front Casing
  13
5 Installation 5

13
- D Danger
  13
- A Caution
  13
- H Note
  13
- Selection of Low Loss Header
  14
- D Danger
  15
- Heating Mode
  16
- Cylinder Charging Mode
  16
- H Note
  16
- Heating Mode and Charging Mode
  17
- H Note
  17
- Gas Connection
  18
- Heating Connection
  18
  - D Danger
    18
  - A Caution
    18
  - H Note
    18
- Expansion Relief Valve (Safety Group), Heating Installation
  19
- Condensate Drain Pipework
  19
  - H Danger
    19
  - A Caution
    19
  - H Note
    19
- Electrical Connection
  20
- Mains Connection
  20
- Connecting Controllers
  21
  - A Caution
    21
  - H Note
    21
- Connecting a Low Loss Header Sensor
  22
- Additional Relay (Grey Plug on the PCB) and "2 in 7" Multifunction Module
  22
- Connection Diagrams
  23
6 Start-Up

25
- Start-Up 6
  25
- Water Circulation System
  25
- Filling the System
  25
- Preparation of Heating Water
  25
- Filling and Bleeding from the Heating Side
  25
  - A Caution
    25
  - H Note
    25
- Filling the Condensate Siphon
  26
  - A Caution
    26
  - H Note
    26
- Checking the Gas Setting
  27
- Checking for Tightness of the Flue Gas Installation and Flue Gas Recirculation
  27
  - D Danger
    27
  - A Caution
    27
- Checking the Gas Flow Rate
  28
- Checking the Gas Inlet Working Pressure
  28
- Checking the Appliance Function
  29
- Heating
  29
- Cylinder Charging
  30
- Handing over the Control to the Owner
  30
- Vaillant Warranty
  30
7 Adapting the Boiler to the Heating System 7

31
8 Inspection and Maintenance 8

35
9 Troubleshooting

44
- Diagnostics
  44
- Status Codes
  44
- Diagnosis Codes
  45
- A Caution
  45
- Fault Codes
  48
- Fault Memory
  48
- Test Programs
  50
- Resetting Parameters to Factory Settings
  50
10 Replacing Components 10

51
- Safety Instructions
  51
- Replacing the Burner
  51
- Replacing the Fan or Gas Valve
  51
  - D Danger
    51
  - E Danger
    51
- Replacing the Heat Exchanger
  52
- Replacing Electronics and Display
  52
11 Vaillant Service

52
12 Recycling and Disposal

52
- Boiler
  52
- Packaging
  52
  - D Danger
    52
  - E Danger
    52
  - A Caution
    52
13 Technical Data 13

53
- Benchmark Gas Boiler Commissioning Checklist
  54

Vaillant ecoTEC VU 656/4 Operating Manual (20 pages)

Gas wall boilers with condensing appliance technology

Brand: Vaillant | Category: Boiler | Size: 3 MB

Table of Contents
2
Appliance Characteristics
2
Recommended Accessories
2
1 Notes on the Documentation 1

3
- Storage of Documents
  3
- Symbols Used
  3
- Validity of the Instruction Manual
  3
- Identification Plate
  3
- CE Label
  3
2 Safety

4
3 Instructions on Operation

6
- Vaillant Warranty
  6
- Intended Use
  6
- Requirements of the Installation Site
  6
- Care
  6
- Recycling and Disposal
  6
- Appliance
  6
- Packaging
  6
- Energy Saving Tips
  7
4 Operation

8

Vaillant ecoTEC VU 656/4 Installation Manual (64 pages)

Brand: Vaillant | Category: Boiler | Size: 38 MB

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Vaillant ecoTEC VU 656/4 Gas Boiler Manuals

Vaillant ecoTEC VU 656/4 Installation And Maintenance Instructions Manual (56 pages)

Table of Contents

1 Notes on the Documentation 1

2 Description of the Boiler

3 Safety Instructions and Regulations 3

4 Assembly

5 Installation 5

6 Start-Up

7 Adapting the Boiler to the Heating System 7

8 Inspection and Maintenance 8

9 Troubleshooting

10 Replacing Components 10

11 Vaillant Service

12 Recycling and Disposal

13 Technical Data 13

Vaillant ecoTEC VU 656/4 Operating Manual (20 pages)

Table of Contents

1 Notes on the Documentation 1

2 Safety

3 Instructions on Operation

4 Operation

Vaillant ecoTEC VU 656/4 Installation Manual (64 pages)

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