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Installation
1.8.2
Installation of the horizontal flue
The flue gas adaptor (80/125 to 60/100) is suitable for lengths
upto 560 mm (see fig. 16).
For longer flue runs upto 12.0 m, extension air/flue ducts are
available (see page 9, table 3).
NOTE
Use the wall-mounting template to help you
mark the position of the side flue opening
1.8.3
Flue duct preparation and assembly
Measure the flue length L. Refer to figures 17 and 18.
NOTE
The flue must be inclined to the boiler.
Mark of the lengths shown onto the ducts and cut the
length. The cuts must be square and free from burrs.
Terminal assembly outer (air) duct - L-70 mm, inner (flue)
duct - L-50 mm. The measurement is made from the ridge
at the terminal indicating the outer face of the wall.
Refer to figure 19.
Extension air duct - L-70 mm, flue duct - L-50 mm.
The measurement is from the formed end.
Assemble flue system completely. Push the ducts fully
together. The slope of the terminal outlet must be face
downwards.
The assembly will be made easier if a solvent free grease
is lightly applied to the male end of the ducts.
NOTE
An inner wall sealing plate is provided which
should be fitted to the ducts before assembly.
Push the assembly through the wall and slide the turret
onto the flue connector. Refer to figure 15.
Ensure that the turret is fully entered into the socket on the
boiler. From the outside fix the flue finishing kit to the
terminal and, after ensuring the duct is properly inclined
towards the boiler, fix the finishing kit to the wall.
If the terminal is within 2 m of the ground where there is
access then an approved terminal guard must be fitted.
The guard must give a clearance of at least 50 mm around
the terminal and be fixed with corrosion resistant screws.
Subject to modifications resulting from technical improvements!
Installation and maintenance instructions for wall-mounted condensing gas boiler 600 - 28C • 01/2004
Flue
turret
adaptor
Maximum length
No Clamp
fig. 16 Installation with flue gas adaptor 80/125 to 60/100
185
fig. 17 Flue length - rear
fig. 18 Flue length - side
Outer
Wall
Face
fig. 19 Flue terminal position
Boulter Buderus Ltd. • http://www.boulter-boilers.com
1
Terminal
assembly
Outer
Wall
L
L
Flue Terminal
Raised Ring
locating the
terminal relative
to the outside
wall face
15
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