3
Please read these instructions for
installation thoroughly before
working on the appliance. These
instructions contain important notes on
the replacement of the spare part.
Please refer also to the instructions for
installation and servicing, supplied
with the boiler.
We do not accept any responsibility
for damage caused by the non-
observance of these instructions for
installation.
Contents
Page
1 Equipment
3
2 Defined application
3
3 Precautions
3
4 Preliminary measures
4
5 Pre-assembly of the
new integral condensing
heat exchanger
5
6 Removal of the old
heat exchanger
6
7 Installation of the new
integral heat exchanger
13
8 Commissioning
15
1 Equipment
The spare parts kits for the heat
exchanger, art. no. 065 008 (28 kW)
and 065 007 (23 kW) contain the
following components:
1 heat exchanger
2 sealing profile (2)
3 flow pipe
4 bow
5 return pipe
6 clamp
7 oval head screw (2)
8 hexagon nut (4)
9 rectangular sealing ring (2)
10 spring
11 ignition plug
12 NTC extension lead
(pre-asssembled)
2 Defined application
The existing heat exchanger may only
be replaced by the Vaillant integral
condensing heat exchanger in the
following appliances:
•
Art.-Nr. 065 007 (23 kW) for:
VUW 236, VU 186
•
Art.-Nr. 065 008 (28 kW) for:
VUW 286, VU 226
Only original Vaillant spare parts must
be used.
The valid spare part catalogue indica-
tes the necessary spare parts. Informa-
tion on this subject can be obtained
from the Vaillant sales department.
3 Precautions
The replacement of the heat exchan-
ger, must only be carried out by a
competent installer who is also respon-
sible for the correct installation and
recommissioning.
In the UK ”CORGI” registered instal-
lers undertake the work to a safe and
satisfactory standard.
Furthermore, the rules and regulations
mentioned in the instructions for instal-
lation and servicing must be observed.
