ALHENA TECH C
Use of flexible and rigid pipes
The calculation shown in the tables below includes the starting accessories code 041087X0 for
the
50 and code 041050X0 for the
Flexible pipe
It is possible to use up to 4 m of
eter ( 50 or
60), and up to 4 m of
60 flues) See fig. 34.
max 4 m
Ø80
fig. 34- 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 317 ***).
For model ALHENA TECH 24 C
For model ALHENA TECH 28 C
For model ALHENA TECH 34 C
P68
10
8
6
4
2
0
0
10
50 and
60.
80 mm flue between the boiler and the change to smaller diam-
80 mm flue on the intake (with maximum length of
max 4 m
Ø80
20
30
fig. 35- Chart for flue parameter choice
cod. 3541V512 - Rev 00 - 07/2022
60
ALHENA TECH 24 C
Ø50 - A = 28 m MAX
Ø60 - A = 78 m MAX
ALHENA TECH 28 C
Ø50 - A = 22 m MAX
Ø60 - A = 60 m MAX
ALHENA TECH 34 C
Ø50 - A = 17 m MAX
Ø60 - A = 45 m MAX
40
50
60
70
80
EN
50 and
m
313