system cold as follows:
- Open the automatic limit stat cap two or
three turns (11 fig. 3)
- Open the filling cock (2 fig. 5) until the
pressure indicated on the water gauge
reaches 1 bar.
When you have finished filling the system
close the fill cock.
2.6. 1
System draining
To drain the system, turn off the boiler and
use the discharge valve (9 fig. 5).
2.7
COAXIAL DUCT ø 60/100
The air inlet-smoke outlet assembly, code
8096250, is included in the standard sup-
ply of the appliance complete with mounting
instructions.
2.7. 1
Coaxial flue diaphragm
The boiler is provided as standard with ø
87.5 diaphragms (fig. 6).
ATTENTION:
Only use the diaphragm when the length
of the coaxial duct is below 1 m.
In configurations with roof discharge, use
only the diaphragm, as show in figure 7.
KEY
1a-b Coaxial duct kit code 8096250
2a
Extension L. 1000 code 8096150
2b
Extension L. 500 code 8096151
3
Vertical extension L. 140 with take-off point code 8086950
4a
90° additional bend code 8095850
4b
45° additional bend code 8095950
NOTE
Before connecting accessories, it is always advisable to
lubricate the internal part of the gaskets with silicon
products. Avoid using oils and greases.
8
5
1
KEY
1 D.H.W. inlet-outlet manifold
2 Filling cock
3 D.H.W. filter
4 Manifold by-pass
Ver ify t hat t he
mar king on t he
diaphr agm
pointing upwards.
max 3 m
7 6
2
4
3
9
5 Water rate adjuster
6 D.H.W. exchanger
7 Microswitches
8 Flowmeter
9 Boiler discharge
2.7.2
Coaxial duct accessories
The accessories to be used for this type of
is
installation and some of the connecting
systems that may be adopted are illustred
in fig. 6/a.
With the pipe bend included in the kit, the
Fig. 6
maximum length of the piping should not
exceed 3 meter.
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.
Use the ø 87.5 diaphragm supplied
as standard when the length of the
duct is below 1 m.
IT
ES
PT
GB
Fig. 5
Fig. 6/a
73