Vaillant ecoTEC plus 612 Instructions For Installation And Servicing page 105

INSTALLATION OF THE HORIZONTAL AIR/FLUE DUCT Ø 80/125 WITH
Fig. 4.5
Mark air duct here
10 mm
Fig. 4.6
Fig. 4.7
Supplied By www.heating spares.co Tel. 0161 620 6677
A
Dimension A + 20 mm
Dimension A + 60 mm
15 mm
Mark flue duct here
• Taking each extension to be used,
• For ease of measuring and
Note: The joints between the flue duct
sections are of a push-fit type, with
the flue duct spigot inserted into a
socket containing a sealing ring. For
ease of installation lubricate the seal
using soap solution prior to
assembling.
• Assemble the flue such that there
• Measure from the flue terminal
• Take the extension(s) to be
Note: For assembly reasons do not
shorten any air duct to a length of
less than 100 mm. If necessary
shorten two adjacent extensions to
achieve the overall required length.
• Cut the air duct square and
• Refit the flue duct into the air duct
• Cut the flue duct as detailed in
• When cutting the air and flue
25 mm
• Care should be taken not to
• If the installation requires the use
• At this stage it is necessary to
• Fit the appliance flue outlet
EXTENSIONS
fit the flue duct into the air duct
and secure using the 3 screws
provided.
marking the air/flue duct
extensions, assemble them loosely
together with the air/flue duct and
terminal assembly as shown
(fig. 4.6).
is a gap of about 10 mm between
each air duct, which will ensure
the correct flue duct penetration
into the flue sockets of 30 mm.
All flue sockets should point
towards the flue terminal.
and mark the air duct to a length
of:
Dimension A + 60 mm
shortened and remove the
3 screws. Separate the ducts.
remove any burrs.
and secure using the 3 screws.
fig. 4.7.
ducts it is important to remove any
burrs with a file, this ensures easy
fitting of the ducts and prevents
any rough edges from damaging
the flue seals.
scratch the white surface of the air
duct.
of air/flue duct extensions,
additional bends or elbows refer
to the sections on pages 55 - 59.
prepare and fit the boiler onto the
hanging bracket – refer to the
boiler installation instructions.
adaptor to the boiler.
49