BlueHelix HiTech RRT C
28
EN
cod. 3541V691 - Rev. 00 - 04/2022
If the
BlueHelix HiTech RRT C
boiler is to be connected to a flue or a single chimney with natural draft, the flue or
chimney must be expressly designed by professionally qualified technical personnel in conformity with the current re-
gulations and be suitable for sealed chamber units equipped with fan.
Backflow preventer valve
The
BlueHelix HiTech RRT C
boiler is fitted as standard with a clapet non-return valve (backflow preventer) therefore
it can be connected,
only if running on G20 gas
, to collective flues in positive pressure.
Using this type of installation,
parameter P67
must be set to
1
.
In case of a type C(10)3 or C(11)3 boiler installation apply, IN A CLEARLY VISIBLE PLACE on the FRONT PA-
NEL, the relevant white sticker included in the document envelope supplied with the unit.
B
After installation, check the tightness of the fumes and gas circuit.
OTHERWISE THERE IS DANGER OF SUFFOCATION DUE TO THE EMISSION
OF COMBUSTION FUMES.
Position of terminals
fig. 38
Minimum dimensions of fume exhaust terminals
A
Directly under an opening, air inlet, openable window, etc.
300 mm
B
Above an opening, air inlet, openable window, etc.
300 mm
C
Horizontally to an opening, air inlet, openable window, etc.
300 mm
D
Under gutters, drain pipes
75 mm
E
Under cornices or under eaves
200 mm
F
Under balconies or garages
200 mm
G
From a drain pipe or a vertical drain pipe
150 mm
H
From an internal or external corner
100 mm
I
Above ground level, a roof or balcony
300 mm
J
From a surface facing the terminal
600 mm
K
From a terminal facing the terminal
1200 mm
L
From a garage opening (e.g. door, window) with access to the home
1200 mm
M
Vertically from a terminal on the same wall
1500 mm
P
D, E
Q
Q
l
B
C
A
G
F
L
J
H
H
K
N
N
M
M
Q
Summary of Contents for 47-267-74
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