BLUEHELIX TECH RRT 24 C
16
EN
cod. 3541P250 - Rev. 01 - 07/2018
Connection with 80mm Twin pipes
fig. 25- Examples of connection with Twin pipe system (
= Air /
= Fumes)
Table. 3 - Examples & Classification
Twin flue appliance adaptor, to facilitate the use of the separate 80mm flue & 80mm air ducts:
fig. 26- Twin flue appliance adaptor 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 proposed the twin pipe system, including any accessories and outlet terminals.
2. Consult table 5 and identify the losses in meq (equivalent metres) for each & every component.
3. Check that the sum of total losses is less than or equal to the maximum permissible length in table 4.
Table. 4- Max. length separate ducts
Type
Description
C1X
Wall horizontal exhaust and intake. The inlet/outlet terminals must be together on the same wall to ensure they are in the same
pressure zone. The terminals should protrude a maximum of 15cm from the wall, with a max 50cm separation (min 15cm)
C3X
Roof vertical exhaust and intake. The inlet/outlet ducts are combined within the room sealed vertical flue terminal.
C5X
Wall or roof exhaust and intake separate or in areas with different pressures. The exhaust and intake must be positioned on the
same facing elevation of the building & not opposite to each other.
C6X
Intake and exhaust with separately certified pipes (EN 1856/1)
B2X
Intake from installation room or compartment utilising wall or roof flue terminal options.
IMPORTANT - THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION FOR COMBUSTION PURPOSES
Max. permissible length
80 m
eq
C
5x
C
3x
B
2x
C
1x
max 50 cm
80
100
80
60
cod. 041082X0
