15
a- Horizontal Chimney Set Elbow (90°)
b- Chimney Extension Pipe
c- Additional 45° Elbow
d- Standard Chimney Set Pipe
e- Additional 45° Elbow
f- Horizontal Chimney Set Pipe
Figure 2.24
III. Single 90° and two 45° angled
sample chimney installation
d
f
e
b c
a
Ø100/150 mm
a + b + c + d + e + f < 19 m = (Viwa 90)
19 m = (Viwa 115)
18 m = (Viwa 125)
10 m = (Viwa 150)
Connection of (Ø100 / 150 mm) Horizontal Concentric Chimney
Set and Mounting Horizontal Concentric Chimney Set to The
Boiler
Since your boiler is hermetic model, if it is used with concentric
chimney sets, it takes the air that it uses from the outside and emits
waste gases due to combustion to the outside from the same chimney
group. The use and installation of the chimney is very important
to avoid emission of waste gases which are extremely harmful, so
cautions should be taken into account when connecting chimney.
• Select the chimney necessary for the chimney connection from the
mounted place of your boiler and outside. If the horizontal/vertical
chimney set is insufficient, select the most appropriate elements from
our list of connection accessories, taking into account the warnings
mentioned in our operating manual.
• Fix the flange under Elbow part (1) in Figure 17 on holes on the boiler
by using the Flange Seal (10) and screwing with the flange connection
screws (11).
• Two sealing gaskets (2) from the concentric chimney set are placed in
the inner pipe slots at both ends of the 90° elbow.
• To group the chimney outlet terminal, intertwine the outer wall
(EPDM) gasket with chimney terminal as seen in Figure 17. After
intertwining the chimney outlet terminal from the outer side of wall and
previouslyopened holes insert the Internal Wall Connection Gasket (7)
in chimney terminal. Insert the other end of EPDM connection gasket
you have already inserted in 90° chimney elbow, into the chimney
outlet terminal Be careful that gaskets are placed properly.
2.7.2. Mounting with Vertical Concentric Chimney Sets
The boiler also has the possibility to connect vertically to the flat
and sloped roof by means of the accessories it has according to the
situation of the environment you will mount on. In straight connections,
(Ø100 / 150 mm) vertical chimney set should not exceed 11m.
Figure 2.23
Single 90° angled sample
chimney installation
a
d
b
Ø100/150 mm
Lmax= 18 m (Viwa 90)
Lmax= 17 m (Viwa 115)
Lmax= 17 m (Viwa 125)
Lmax= 10 m (Viwa 150)
Figure 2.26
Vertical chimney set
mounting practice
In practice
L1
=0.3 m.
L2
=0.5 m.
(45° elbow equivalent length)
L3
=4.5 m.
L4
=0.5 m. (45° elbow equivalent length)
L5
=4.7 m.
L6
=1.0 m.
L Total
=11.5 m.
Figure 2.25
Vertical chimney set mounting
Ø1
00
/1
50 mm
Lma
x= 20
m
(Vi
w
a 90)
Lma
x= 20
m
(Vi
w
a 1
15)
Lm
ax
= 1
9
m
(Vi
w
a 1
25)
Lm
ax
= 11
m
(Vi
w
a 1
50)
Correct in practice
for Viwa 90,
Viwa 115, Viwa 125 but
not suitable
in practice
for Viwa 150.
Содержание VIWA 115
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