3ecoTEC exclusive installation and maintenance instructions / 0020017768_02
1 Notes on the documentation
The following information is intended to help you
throughout the entire documentation.
Further documents apply in combination with this instal-
lation and maintenance manual.
We accept no liability for any damage caused by fail-
ure to observe these instructions.
Other applicable documents
For the owner of the system:
Operating manual no. 838402
Brief operating instructions no. 838404
Warranty card no. 0020055745
Assembly manual for flue accessories no. 834449
1.1 Storage of the documents
Please pass on this operating and installation manual
and all other valid documents to the operator of the in-
stallation in order for him or her to store it so that it is
available whenever it is 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:
d
Danger!
Immediate danger to life and limb!
e
Danger!
Risk of death from electric shock!
H
Danger!
Risk of burns or scalding!
a
Caution!
Potentially dangerous situation for the product
and environment!
h
Note!
Useful information and instructions.
• Symbol for a necessary task
Contents
Notes on the documentation 1
10 Replacing components ..................................... 42
10.1 Safety instructions ................................................... 42
10.2 Replacing burner ....................................................... 42
10.3 Replacing fan or gas fittings .................................. 42
10.4 Replacing primary heat exchanger ...................... 43
10.5 Replacing electronics and display ........................ 44
11 Vaillant service ................................................. 44
12 Recycling and disposal ..................................... 44
13 Technical data ................................................... 45
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