Table Of Contents - Vaillant ecoTEC plus VU 446/5-5 (H-GB) Installation And Maintenance Instructions Manual

Contents
Contents
1 Safety .................................................................... 3
1.1 Action-related warnings ......................................... 3
1.2 Intended use .......................................................... 3
1.3 General safety information .................................... 3
1.4 Regulations (directives, laws, standards) .............. 6
2 Notes on the documentation .............................. 7
2.1 Observing other applicable documents ................. 7
2.2 Storing documents................................................. 7
2.3 Validity of the instructions ...................................... 7
2.4 Benchmark............................................................. 7
3 Product description............................................. 7
3.1 Product design....................................................... 7
3.2 Data plate .............................................................. 7
3.3 Serial number ........................................................ 8
3.4 SVGW (Swiss Gas and Water Industry
Association) symbol............................................... 8
3.5 CE marking ............................................................ 8
3.6 Energy Saving Trust Endorsed Products .............. 8
4 Set-up.................................................................... 8
4.1 Unpacking the product........................................... 8
4.2 Checking the scope of delivery.............................. 8
4.3 Transporting the product ....................................... 9
4.4 Dimensions ............................................................ 9
4.5 Minimum clearances............................................ 10
4.6 Clearance from combustible components ........... 10
4.7 Using the mounting template ............................... 10
4.8 Wall-mounting the product................................... 10
4.9 Removing/installing the front casing.................... 10
4.10 Removing/installing the side section ................... 11
5 Installation.......................................................... 12
5.1 Sample system installations ................................ 12
5.2 Selecting the domestic hot water cylinder ........... 15
5.3 Selecting a low loss header ................................. 15
5.4 Requirements ...................................................... 15
5.5 Connecting gas and water ................................... 16
5.6 Installing and connecting the air pipe and flue
pipe ...................................................................... 18
5.7 Electrical installation ............................................ 19
6 Operation............................................................ 21
6.1 Operating concept ............................................... 21
6.2 Calling up the installer level ................................. 21
6.3 Live Monitor (status codes) ................................. 21
6.4 Calling up appliance config. and diagnostics
menu.................................................................... 21
6.5 Using test programmes........................................ 21
7 Start-up ............................................................... 21
7.1 Carrying out the initial start-up............................. 21
7.2 Checking and treating the heating water/filling
and supplementary water .................................... 21
7.3 Filling the condensate siphon .............................. 23
7.4 Filling the heating installation .............................. 23
7.5 Starting up the product ........................................ 24
2
7.6 Running the installation assistants ...................... 24
7.7 Preventing low water pressure ............................ 25
7.8 Flushing the heating installation for the first
time ("cold") ......................................................... 25
7.9 Using check programmes .................................... 25
7.10 Check and gas setting ......................................... 25
7.11 Checking leak-tightness ...................................... 28
7.12 Thoroughly flushing the heating installation
("hot")................................................................... 29
8 Adapting the unit to the heating
installation.......................................................... 29
8.1 Activating diagnostics codes ............................... 29
8.2 Adapting the heating settings .............................. 29
8.3 Setting the maintenance interval ......................... 31
9 Handing over to the end user ........................... 31
10 Troubleshooting ................................................ 31
10.1 Contacting your service partner........................... 31
10.2 Calling up service messages ............................... 31
10.3 Reading off the fault codes .................................. 31
10.4 Querying the fault memory .................................. 32
10.5 Resetting the fault memory.................................. 32
10.6 Performing diagnostics ........................................ 32
10.7 Using check programmes .................................... 32
10.8 Resetting parameters to factory settings ............. 32
10.9 Replacing defective components......................... 32
11 Inspection and maintenance ............................ 36
11.1 Using the function menu ...................................... 37
11.2 Carrying out electronics self-tests ....................... 37
11.3 Cleaning/checking the components..................... 37
11.4 Draining the product ............................................ 40
11.5 Completing inspection and maintenance work .... 41
12 Decommissioning.............................................. 41
12.1 Permanently decommissioning............................ 41
13 Recycling and disposal..................................... 41
14 Customer service............................................... 41
Appendix ............................................................................ 42
A Overview of diagnostics codes ........................ 42
Status codes - Overview .................................. 45
B
Fault messages - Overview.............................. 46
C
D Wiring diagram................................................... 50
E Basic installation diagram ................................ 52
E.1 0020253233......................................................... 52
E.2 0020259030......................................................... 53
E.3 Key for the basic system diagrams...................... 54
Inspection and maintenance work -
F
Overview............................................................. 54
G Commissioning Checklist................................. 56
H Position of the opening in the air/flue pipe ..... 60
H.1 Positioning of the opening of a fan-supported
flue gas pipe ........................................................ 60
I Horizontal terminal positioning........................ 61
J Gas adjustment values...................................... 61
K Technical data.................................................... 62
Index ................................................................................... 64
Installation and maintenance instructions ecoTEC plus 0020261389_02