Vaillant eloBLOCK VE 14 EU I Series User Manual

Contents
2 Installation and maintenance instructions eloBLOCK 0020265768_01
Contents
1 Safety .................................................................... 3
1.1 Action-related warnings ......................................... 3
1.2 Danger caused by improper operation .................. 3
1.3 Intended use.......................................................... 3
1.4 General safety information .................................... 3
1.5 Regulations (directives, laws, standards) .............. 4
2 Notes on the documentation .............................. 5
2.1 Observing other applicable documents ................. 5
2.2 Storing documents................................................. 5
2.3 Validity of the instructions...................................... 5
3 Product description............................................. 5
3.1 Product design....................................................... 5
3.2 Functional elements............................................... 5
3.3 Functionality........................................................... 6
3.4 Pump operating modes ......................................... 6
3.5 Information on the data plate................................. 6
3.6 CE marking ............................................................ 6
3.7 Serial number ........................................................ 6
4 Set-up.................................................................... 6
4.1 Checking the scope of delivery.............................. 6
4.2 Dimensions............................................................ 6
4.3 Minimum clearances.............................................. 7
4.4 Requirements for the installation site .................... 7
4.5 Wall-mounting the product..................................... 7
4.6 Removing and installing the front casing............... 8
4.7 Installing and removing the side casing................. 8
5 Installation............................................................ 9
5.1 Connecting the heating flow and heating return .... 9
5.2 Connecting the expansion relief valve................. 10
5.3 Electrical installation ............................................ 10
6 Start-up ............................................................... 12
6.1 Checking and treating the heating water/filling
and supplementary water .................................... 12
6.2 Checking the filling pressure of the heating
installation............................................................ 13
6.3 Filling and purging the heating installation .......... 13
6.4 Checking function and leak-tightness.................. 14
7 Adapting the product to the heating
installation.......................................................... 14
8 Handing the product over to the end user ...... 14
9 Troubleshooting ................................................ 14
9.1 Eliminating faults.................................................. 14
9.2 Eliminating faults in the pump.............................. 14
9.3 Eliminating a fault caused by a sticking relay ...... 14
10 Inspection and maintenance ............................ 14
10.1 Procuring spare parts .......................................... 14
10.2 Preparing for maintenance .................................. 14
10.3 Drain the product and heating installation ........... 15
10.4 Replacing the pump............................................. 15
10.5 Replacing the heat exchanger............................. 15
10.6 Replacing the heating rods.................................. 16
10.7 Replacing the expansion relief valve ................... 16
10.8 Replace the pressure sensor............................... 16
10.9 Replacing the NTC sensor .................................. 16
10.10 Replace the safety cut-out................................... 16
10.11 Replacing the expansion vessel .......................... 17
10.12 Replacing the PCB and the display ..................... 17
10.13 Completing inspection and maintenance work .... 17
11 Decommissioning.............................................. 17
12 Recycling and disposal..................................... 17
13 Customer service............................................... 18
Appendix ............................................................................ 19
A Status codes – Overview .................................. 19
B Overview of diagnostics codes........................ 19
C Overview of fault codes .................................... 22
D Pump status LED ............................................... 23
E LHM ..................................................................... 23
F Wiring diagrams................................................. 24
F.1 VE6 /14 EU I, VE9 /14 EU I, VE12 /14 EU I,
VE14 /14 EU I wiring diagram ............................. 24
F.2 VE18 /14 EU I, VE21 /14 EU I wiring diagram..... 25
F.3 VE24 /14 EU I, VE28 /14 EU I wiring diagram..... 26
G Inspection and maintenance work –
Overview............................................................. 27
H Heat curves ........................................................ 27
I Remaining feed head......................................... 28
J Characteristic values of the VRC DCF
outdoor temperature sensor............................. 28
K Characteristic values of internal
temperature sensors ......................................... 28
L Technical data.................................................... 29
Index ................................................................................... 31

Vaillant eloBLOCK VE 14 EU I Series Specifications

General

Brand	Vaillant
Model	eloBLOCK VE 14 EU I Series
Category	Boiler
Language	English