12
supplied (6).
– D.H.W. CONNECTION (E & D)
Fit the isolation valve (5) to the cold water
inlet (D) using the gasket supplied (1).
Fit the quarter bend (2) to the hot water
outlet (E) using the gasket supplied (1).
– GAS CONNECTION (C)
Fit the gas cock (7) to the gas connection.
3.7
COAXIAL DUCT
The air inlet-exhaust assembly ø 60/100 is
supplied in kit code 8084808 and comes
with an instruction sheet for the assembly.
3.7.2
Coaxial duct accessories
The accessories required for various hori-
zontal terminations are shown in fig. 12.
With the elbow supplied in the kit the
maximum length of the duct should not
be greater than 3 metres.
If the extra elbow cod. 8085601 is used
the duct could reach the maximum length
of 1.6 metres.
With the use of the vertical extension cod.
8086908 the end of the duct must always
have an horizontal outlet.
3.7.3
Roof outlet coaxial duct
The roof outlet terminal L.1284 cannot be
shortened and the positioning of the tile dis-
tances must be no less than 600 mm from
the discharge terminal outlet (fig. 13). The
accessories required for this type of installa-
tion and some of the connecting systems
that can be used are shown in fig. 14.
Up to a maximum of three extensions can
be added to reach a rectilinear length of
3.7 metres. If it proves necessary to pro-
vide for two changes of direction in the
duct, the maximum length must not be
greater than 2 metres.
3.8
SEPARATE DUCTS
(Optional alternative
twin pipe system)
In the installation it is best to observe the
directions requested by the Norms and a
few practical considerations:
– With direct external suction, when the
KEY
1
Tile with articulated joint
2
Lead panel
3
Collar
4
Locking screw
5a-b Reducing
Fig. 13
Fig. 14
KEY
1
Vertical extension L. 200
with take-off points code 8086908
2
Extension L. 1000 code 8096100
3
Tile with articulated joint code 8091300
4
Roof outlet terminal
5
Supplementary
90° elbow code 8095800
6
Supplementary
45° elbow code 8095800
KEY
1a-b Coaxial duct kit code 8084808
2
Extension L.1000 code 8096100
3
Vertical extension L.200
with take-off points code 8086908
4
Supplementary 90° elbow code 8085800
Fig. 12
min. 480
min. 480
