Room thermostat (optional)
B
IMPORTANT: THE ROOM THERMOSTAT MUST HAVE VOLTAGE-FREE
CONTACTS. CONNECTING 230 V TO THE ROOM THERMOSTAT TERMI-
NALS WILL PERMANENTLY DAMAGE THE ELECTRONIC BOARD.
When connecting time controls or a timer, do not take the power supply for
these devices from their breaking contacts Their power supply must be by
means of direct connection from the mains or with batteries, depending on the
kind of device.
Accessing the electrical terminal block
The electrical terminal block can be accessed after removing the casing. The layout of
the terminals for the various connections is also given in the wiring diagram in fig. 24.
72
139
fig. 8 - Accessing the terminal block
3.6 Fume ducts
Important
The unit is a "C type" with sealed chamber and forced draught, the air inlet and fume out-
let must be connected to one of the following extraction/suction systems. The unit is ap-
proved for operation with all the Cny flue configurations given on the dataplate. Some
configurations may be expressly limited or not permitted by law, standards or local reg-
ulations. Before installation, check and carefully follow the instructions. Also, comply with
the instructions on the positioning of wall and/or roof terminals and the minimum distanc-
es from windows, walls, ventilation openings, etc.
Baffles
Boiler operation requires fitting the baffles supplied with the unit. Check that the boiler
has right baffle (if to be used) and its correct positioning.
A
1
2
B
2
1
A Baffle replacement with boiler not installed
B Baffle replacement with boiler and fume ducts already installed
4
EN
138
3
3
5
6
4
cod. 3541F121 - Rev. 01 - 03/2018
Connection with coaxial pipes
fig. 9 - Examples of connection with coaxial pipes (
Table. 2 - Typology
Type
Description
C1X
Wall horizontal exhaust and inlet
C3X
Roof vertical exhaust and inlet
For coaxial connection, fit the unit with one of the following starting accessories. For the
wall hole dimensions, refer to the figure on the cover.
Table. 3 - Starting accessories for coaxial ducts
4
Code 010006X0 - 08522870
Ø100
Ø60
fig. 10
Code 010007X0
fig. 12
Table. 4 - Baffles for coaxial ducts
Max. permissible length
Reduction factor 90° bend
Reduction factor 45° bend
Baffle to use
Connection with separate pipes
C
5x
fig. 14 - Examples of connection with separate pipes (
FL 24 MCS
= Air /
Code 010008X0 - 08522880
Ø126
Ø82
Ø60
Ø130
fig. 11
Code 08522890
Ø60
Ø100
fig. 13
Coaxial 60/100
Coaxial 80/125
5 m
1 m
0.5 m
0 ÷ 2 m
Ø 43
0 ÷ 3 m
2 ÷ 5 m
no baffle
3 ÷ 10 m
B
C
2x
= Air /
= Fumes)
10 m
0.5 m
0.25 m
Ø 43
no baffle
1x
= Fumes)