Vaillant ECOTEC PLUS VU 80 User Manual

Table of contents
2 ecoTEC plus installation and maintenance instructions 0020134823_01
Table of contents
1 Notes on the documentation .....................................3
1.1 Storing documents ..........................................................3
1.2 Applicability of the instructions ...................................3
1.3 Identification plate ...........................................................3
1.4 CE label ...............................................................................3
1.5 Type overview ...................................................................4
2 Safety ................................................................................. 5
2.1 Safety and warning information ..................................5
2.2 Intended use ......................................................................5
2.3 Basic safety information ................................................6
2.4 General requirements .....................................................7
3 Unit and functional description ................................11
4 Installation ......................................................................12
4.1 Scope of delivery ............................................................12
4.2 Transporting the unit .....................................................12
4.3 Dimension drawing and connection dimensions .....15
4.4 Requirements for the installation site .......................15
4.5 Wall-mounting the boiler ...............................................16
4.6 Removing/fitting the front casing ..............................16
5 Gas installation .............................................................. 17
5.1 Preparing for installation ..............................................17
5.2 Connecting the gas line .................................................17
6 Hydraulic installation ................................................. 18
6.1 Preparing for installation ............................................. 18
6.2 Connecting the heating flow and heating return....19
6.3 Connecting the condensate drain pipework ........... 20
6.4 Connecting the discharge pipe to the expansion
relief valve on the heating installation ......................21
7 Flue gas installation ...................................................22
7.1 Preparing for installation .............................................22
7.2 Installing the flue pipe ..................................................22
7.3 Flue gas guiding opening .............................................22
8 Electrical installation .................................................24
8.1 Preparing for installation .............................................24
8.2 Opening/closing the electronics box .........................24
8.3 Establishing the mains connection and
connecting the pump group ........................................24
8.4 Connecting the controller ............................................26
8.5 Connecting additional units ........................................27
8.6 Connection wiring diagram .........................................28
9 Establishing operational readiness ........................29
9.1 Reading the temperature or pressure display ........29
9.2 Preparing the heating water .......................................29
9.3 Filling and purging the heating installation ............29
9.4 Preventing low water pressure .................................. 30
9.5 Filling the condensate siphon ......................................31
9.6 Checking the gas ratio setting .....................................31
10 Operation ........................................................................33
10.1 Calling up the installer level ........................................33
10.2 Overview of the menu structure ............................... 34
11 Start-up ...........................................................................36
11.1 Switching on the boiler .................................................36
11.2 Installation assistant .....................................................36
11.3 Appliance configuration and diagnostics menu .....37
11.4 Using test programmes ................................................37
11.5 Checking the function of the boiler ......................... 38
12 Adapting the unit to the heating installation ....39
12.1 Overview of the parameters in the diagnostics
menu .................................................................................39
12.2 Handing the boiler over to the operator ................. 43
13 Inspection and maintenance ................................... 44
13.1 Inspection and maintenance intervals ..................... 44
13.2 Inspection and maintenance work ............................ 48
13.3 Using the function menu ............................................ 49
13.4 Removing/fitting the upper casing ........................... 50
13.5 Carrying out maintenance work ................................ 50
14 Troubleshooting ........................................................... 55
14.1 Contacting Vaillant customer service ...................... 55
14.2 Performing diagnostics ............................................... 55
14.3 Using the function menu ..............................................61
14.4 Running check programmes ........................................61
14.5 Resetting parameters to factory settings .................61
15 Replacing components ...............................................62
15.1 Preparing for and completing replacement work ..62
15.2 Removing/fitting the side section (ifrequired) .....62
15.3 Replacing the gas valve ................................................63
15.4 Replacing the burner ....................................................63
15.5 Replacing insulating mats ........................................... 64
15.6 Replacing the fan .......................................................... 64
15.7 Replacing the heat exchanger ................................... 64
15.8 Replacing the PCB and/or the display ..................... 65
15.9 Ending repairs ................................................................ 65
16 Decommissioning ........................................................ 66
16.1 Temporarily shutting down the boiler ..................... 66
16.2 Permanently decommissioning the boiler .............. 66
16.3 Disposing of the boiler ................................................ 66
17 Vaillant Commercial Service ................................... 66
18 Technical data
...............................................................67
19 Glo
ssary ......................................................................... 68
20 Appendix ........................................................................ 69
Index ...........................................................................................72

Vaillant ECOTEC PLUS VU 80 Specifications

General

Brand	Vaillant
Model	ECOTEC PLUS VU 80
Category	Boiler
Language	English