Ferroli MAXIMA 35 C Instructions For Use, Installation And Maintenance page 18

Wall-mounted gas fired, pre-mix condensing combination boiler
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Connection with concentric fl ue system
The unit can be connected to a concentric air/flue duct with a wall or rooftop outlet as shown on the
following drawings. Numerous accessories are available on request to meet the various installation
requirements. Please refer to our "flue manual" or the price list.
Standard 1KWMA53A
Flue kit
115
30
95
View from above
180
30
95
115
fig. 9a
Horizontal fl ue installation
1. Define the position for installing the unit.
2. If using standard flue (1KWMA53A) this must be installed level, for non-standard flue lenghts
over im a fall of 3 mm per metre should be incorporated.
3. Make a hole of diameter 10 - 20 mm greater than the nominal diameter of the concentric
pipe used.
18
Standard concentric fl ue installation
Rear Outlet
Side view
P
S
50*
125
* = between
10 and 60 mm
Install level
Drill the wall 10÷20 mm
more than the pipe diameter
Install level
S
50*
P
P = S + 165 mm
Maxima 35 C
Side Outlet
Front view
30
95
240
240
View from above
30
95
240
240
fig. 9b
L
50*
* = between
10 and 60 mm
80
Install level
D
S
Drill the wall 10÷20 mm
more than the pipe diameter
Install level
D
S
50*
L
L = S + D + 175 mm

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