BlueHelix ALPHA C
290
EN
cod. 3541U152 - Rev. 01 - 04/2021
Connection with separate pipes
fig. 22- Examples of connection with separate pipes (
= Air /
= Fumes)
Table 5 - Typology
For the connection of separate ducts, fit the unit with the following starting accessory:
fig. 23- Starting accessory for separate ducts
Before installation, make sure the maximum permissible length has not been exceeded by means
of a simple calculation:
1. Establish the layout of the system of split flues, including accessories and outlet terminals.
2. Consult table 7 and identify the losses in m
eq
(equivalent meters) of every component, accor-
ding to the installation position.
3. Check that the sum total of losses is less than or equal to the maximum permissible length in
table 6.
Table 6- Max. length separate ducts
Type
Description
C1X
Wall horizontal exhaust and intake. The inlet/outlet terminals must be concentric or close enough to be undergo similar
wind conditions (within 50 cm)
C3X
Roof vertical exhaust and intake. Inlet/outlet terminals like for C12
C5X
Wall or roof exhaust and intake separate or in any case in areas with different pressures. The exhaust and intake must not
be positioned on opposite walls.
C6X
Intake and exhaust with separately certified pipes (EN 1856/1)
B2X
Intake from installation room and wall or roof exhaust
IMPORTANT - THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION
Max. permissible length
For model BlueHelix ALPHA 24 C =
80 m
eq
For models BlueHelix ALPHA 28 C and BlueHelix ALPHA 34 C =
70 m
eq
C
5x
C
3x
B
2x
C
1x
max 50 cm
80
100
80
60
cod. 041082X0
