Ferroli BLUEHELIX HITECH RRT K 50 Instructions For Use, Installation & Maintenance page 322

Connection with separate pipes
• For temperatures and fume flow rates, refer to "Technical data table" on page 351
C
53
= Air inlet
Table 6- Typology
Type Description
C13 Wall horizontal exhaust and intake. The inlet/outlet terminals must be concentric or close enough to be
subjected to similar wind conditions (within 50 cm)
C33 Roof vertical exhaust and intake. Inlet/outlet terminals like for C12
C53 Separate wall or roof intake and exhaust and in any case in areas with different pressures. The exhaust
and intake must not be located on opposite walls
C63 Intake and exhaust with separately certified pipes (EN 1856/1)
For connection of separate ducts, fit the unit
with the following starting accessory fig. 35.
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. See table 8 and identify the losses in eq
to the installation position.
3. Check that the sum total of losses is less than or equal to the maximum permissible length in
table 7.
322
BLUEHELIX HITECH RRT K 50
fig. 34- Examples of connection with separate pipes
= Fume outlet
(equivalent meters) of every component, according
m
cod. 3541Z783 - Rev 00 - 03/2024
C
13
100
80
cod. 041082X0
fig. 35- Starting accessory for separate ducts
80
60
EN