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A Flue outlet / air intake pipe (co-axial ø
100/60)
B Flue outlet pipe ø 80 mm (twin kit)
C Air intake pipe ø 80 mm (twin kit)
D Bracket
E Electric connections area
F Condensate drain connection area
G C.h. flow
H Gas
I
C.h. return
6.5
Joints
The boiler uses the following fittings:
Functions
Gas, c.h. return, c.h. flow
Pressure relief valve
Condensate drain
sizes in mm o.d.
Condensate drain to be realised with min.
pipe ø 30 mm
6.6
Mounting the boiler
• Assemble the pre-piping kit bracket by
screwing the four screws "J" Fig. 6.3.
• Fix the c.h. valves "M" and the gas cock "L"
with the remaining forks "N" to the prepiping
kit bracket.
• Mount the bracket of the prepiping kit to the
wall (See also section "Installing the brack-
et" pag. 38).
• Fix the Ø 22 mm copper pipes "K" to the
valves "M – L" using the ¾" gaskets.
• Take the protective caps off the boiler pipe-
work.
• Fix the pressure gauge O (optional).
• Thoroughly clean the connections.
• Mount the boiler on its bracket.
• Fix the c.h. valves "M" and gas cock "L" (¾")
to the boiler using the ¾" gaskets.
INSTALLATION
Pipe sizes
Fig. 6.3
(o.d)
ø 22
• Connect the pipe 10 (Fig. 6.4) from the
ø 15
ø 25 (plastic)
• Fit the condensate drain 8 (Fig. 6.4) in the
• See also section 5.7 in this manual.
Fig. 6.4
6.7
For a correct installation of the flue pipe, refer
to the sheet provided together with the pre-
selected kit.
The horizontal routes of the flue pipes must
incline about 1.5 degrees (25 mm per meter);
therefore the terminal must be higher than the
intake at the boiler.
The single coaxial pipe with the terminal must
be fitted horizontal as the drainpipe is already
angled with the correct incline.
N
K
O
pressure relief valve to the safety discharge
pipework.
drainage pipework.
8
Fitting the flue system
J
M
L
M
10
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