Ferroli BLUEHELIX TECH RRT 28 С Instructions For Use, Installation And Maintenance page 162

Connection with separate pipes
fig. 23- Examples of connection with separate pipes (
Table. 4 - Typology
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
For the connection of separate ducts, fit the unit with the following starting accessory:
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 6 and identify the losses in m
position.
3. Check that the sum total of losses is less than or equal to the maximum permissible length in table 5.
Table. 5 - Maximum length of separate ducts
Max. permissible length
162
C
5x
80
cod. 041082X0
fig. 24- Starting accessory for separate ducts
(equivalent meters) of every component, according to the installation
eq
70 m
eq
cod. 3541N260 - Rev. 01 - 10/2017
BLUEHELIX TECH RRT 28 C
B C
2x
= Air /
100
80
60
1x
= Fumes)
EN