72
IT
ES
PT
GB
Filling must be done slowly so as to allow
any air bubbles to be bled off through the
air valves.
Should the pressure have risen well above
the limit expected, discharge the over
pressure by opening the pressure-relief
valve.
2.5.1
Emptying the system
(fig. 5)
Use the drain tap to empty the system (9).
Turn off the boiler before doing this.
2.6
FLUES/CHIMNEYS
The flue or chimney used to release the
products of combustion into the atmosphe-
re must comply with current legislation.
2.6.1
Passing flue pipes through
an existing chimney
When renovating or passing flue pipes
through an existing chimney, use only flues
which are declared suitable for the purpo-
se by t he manuf actur er, f ollowing t he
instructions for installation and use provi-
ded by the manufacturer.
2.7
INSTALLATION
COAXIAL DUCT ø 60/100
The air inlet-smoke outlet assembly ø
60/100 is supplied in a kit code 8084813
complete with mounting instructions.
With the curve supplied in the kit the
maximum horizontal length of the flue
must not exceed 3.5 metres.
The diagrams in fig. 6 illustrate a number of
examples of different coaxial outlets.
2.7.1
Coaxial flue diaphragm
The boiler is normally supplied with ø 87.5
diaphragm. Insert the diaphragm only if the
length of the coaxial flue.
Refer to fig. 7 for positioning.
C12
C32
C42
3
1
2
7
6
4
3
2
min 1
,3 m - max 5 m
8
x
y
x + y = max 3,5 m
"25"
x + y = max 3,0 m
"30-35"
max 3,5 m
"25"
max 3,0 m
"30-35"
KEY
1
Coaxial flue kit L. 810
code 8084813
2 a Extension L. 1000
code 8096103
2 b Extension L. 500 code 8096102
3
Vertical extension L. 200 code 8086908
4
Additional 90° curve code 8095801
6
Articulated tile code 8091300
7
Roof outlet terminal L. 1284 code 8091200
8
Vertical condensation collector L. 200 cód. 8092803
Fig. 6
IMPORTANT:
– Each additional 90° curve installed reduces the available
length by 0.90 metres.
– Each additional 45° curve installed reduces the available
length by 0.45 metres.
– It is advisable to assemble the condensation collector
(8) on vertical segments exceeding 2.5 metres in length
and to limit maximum length to 4 metres.
Fig. 5
KEY
1 D.H.W. inlet/outlet manifold
2 Fill tap
3 D.H.W. filter
4 By-pass
5 Water rate adjuster
6 D.H.W. exchanger
7 Microswitches
8 Water flow switch
9 Boiler discharge
With outlet type C12 - C42, install diaphragm ø 86 only if the coaxial flue is less than
1 metres long.
With outlet type C32, use the following diaphragms, depending on flue length and without
any additional curves:
Installations with vetrical
Installations with vertical condensation
extension L. 200 code 8086908
collector code 8092803
Standard
Optional
Without
Optional
None
diaphragm ø 86 diaphragm ø 87,5
diaphragm
diaphragm ø 87,5
diaphragm
(cod. 6028623) (cod. 6028624)
(cod. 6028624)
L min = 1,3 m
L min = 2,5 m
L min = 4 m
L max = 2,5 m
L min = 2,5 m
L max = 2,5 m
L max = 4 m
L max = 5 m
L max = 4 m
Fig. 7
8
5
7 6
4
2
3
1
9