Ferroli BlueHelix HiTech RRT H Instructions For Use & Installation page 344

Use of Ø50 and Ø60 flexible and rigid pipes
The calculation shown in the tables below includes the starting accessories code 041087X0 for
Ø50 and code 041050X0 for Ø60.
Flexible pipe
It is possible to use up to 4 m of Ø80 mm flue between the boiler and the reduced diameter (Ø50
or Ø60), and not more than 4 m of Ø80 mm flue on the intake (with maximum length of Ø50 and
Ø60 flues).
max 4 m
Ø80
fig. 35- Layout for ducting only with flexible pipe
Flexible and rigid pipes
To use these diameters follow the instructions below.
Access the parameters menu TSP and bring the value of parameter P68 to the value correspond-
ing to the length of flue used. After changing the value, proceed with the calibration procedure
(see *** 'Calibration procedure [AUTO SETUP]' on page 348 ***).
For model 18 H
For model 28 H
P68
10
8
6
4
2
0
0 10
344
max 4 m
Ø80
20 30
fig. 36- Chart for flue parameter choice
cod. 3541V484 - Rev 00 - 07/2022
BlueHelix HiTech RRT H
BLUEHELIX HITECH RRT 18 H
Ø50 - A = 28 m MAX
Ø60 - A = 78 m MAX
BLUEHELIX HITECH RRT 28 H
Ø50 - A = 22 m MAX
Ø60 - A = 60 m MAX
BLUEHELIX HITECH RRT 34 H
Ø50 - A = 17 m MAX
Ø60 - A = 45 m MAX
BLUEHELIX HITECH RRT 45 H
Ø50 - A = 12 m MAX
Ø60 - A = 34 m MAX
For model 34 H
For model 45 H
40 50 60
m
70 80
EN