Notes On The Documentation 1; Storage Of Documents; Safety Instructions And Symbols; E Danger - Vaillant ecoTEC VU 656/4 Installation And Maintenance Instructions Manual

8.8 Checking the CO
2
8.9 Test operation............................................................ 43
9 Troubleshooting ................................................ 44
9.1 Diagnostics ................................................................. 44
9.1.1 Status codes ............................................................... 44
9.1.2 Diagnosis codes ......................................................... 45
9.1.3 Fault codes ................................................................. 48
9.1.4 Fault memory ............................................................. 48
9.2 Test programs ............................................................ 50
9.3 Resetting parameters to factory settings .......... 50
10 Replacing components ..................................... 51
10.1 Safety instructions ................................................... 51
10.2 Replacing the burner ............................................... 51
10.3 Replacing the fan or gas valve ............................. 51
10.4 Replacing the heat exchanger ............................... 52
10.5 Replacing electronics and display ........................ 52
11 Vaillant Service ................................................. 52
12 Recycling and disposal ..................................... 52
12.1 Boiler ............................................................................ 52
12.2 Packaging .................................................................... 52
13 Technical data ................................................... 53
Benchmark gas boiler commissioning checklist ......54
1 Notes on the documentation
The following instructions are intended to help you
throughout the entire documentation.
Further documents apply in combination with this
installation and maintenance manual.
We accept no liability for any damage caused by
non-observe these instructions.
Other applicable documents and service auxiliaries
• Always observe all installation instructions for
structural parts and components of the system when
installing the ecoTEC VU. These installation
instructions are enclosed with the various system
components as well as additional components.
• Also observe all the operating instructions included
with the system components.
Auxiliary service equipment:
The following test and measuring equipment is required
for inspection and maintenance:
- CO measuring instrument
2
- U tube manometer or digital
The manuals for any accessories and controllers used
also apply.
Installation and maintenance instructions ecoTEC 0020029173_01
concentration .......................... 43

Notes on the documentation 1

1.1

Storage of documents

Please pass on these installation and maintenance
instructions and all other applicable documents to the
owner of the installation who is responsible for keeping
these documents for future reference when required.
1.2

Safety instructions and symbols

Please observe the safety instructions in this manual for
the installation of the appliance!
The symbols used in the manual are explained below:
Danger!
d
Immediate risk of serious injury or death!
e Danger!
Danger of death by electric shock!
H Danger!

Danger of burning or scalding!

Caution!
a
Potentially dangerous situation for the product
and environment!
h Note!
Useful information and instructions.
• Symbol for a necessary task
1.3

Validity of the instruction manual

These installation instructions apply exclusively to the
boiler with the following part number:
Type designation
ecoTEC VU GB 656/4-5 H
Table 1.1 Type designation and article number
The article number of the boiler can be found on the
identification plate.
Contents
Article number
00 1000 4140
3