Gas Connection; Electrical Connections; Fume Ducts - Ferroli Bluehelix B S 32 K 100 Instructions D'utilisation, D'installation Et D'entretien

BLUEHELIX B S 32 K 100

3.4 Gas connection

B
Before making the connection, ensure that the unit is arranged for operation
with the type of fuel available.
The gas must be connected to the relevant connection (see fig. 13) in conformity with the
current standards, using a rigid metal pipe or a continuous surface flexible s/steel tube
and installing a gas cock between the system and boiler. Make sure all the gas connec-
tions are tight.

3.5 Electrical connections

B
The unit must be connected to an efficient earthing system in accordance with
the current safety standards. Have the efficiency and suitability of the earthing
system checked by professionally qualified personnel; the Manufacturer de-
clines any liability for damage caused by failure to earth the system.
The boiler is prewired and provided with a "Y" type cable (without plug) for con-
nection to the electric line. The connection to the mains must be permanent and
have a bipolar switch with contact gap of at least 3 mm, interposing fuses of
max. 3A between the boiler and the line. Make sure to respect the polarities
(LINE: brown wire / NEUTRAL: blue wire / EARTH: yellow-green wire) in the
connections to the electric line.
B
The power cable must not be replaced by the user. If the cable gets damaged,
switch off the unit and have it changed by professionally qualified personnel. If
replacing the power cable, only use "HAR H05 VV-F" 3x0.75 mm2 cable with
max. external diameter 8 mm.
Room thermostat (optional)
B
IMPORTANT: THE ROOM THERMOSTAT MUST HAVE VOLTAGE-FREE
CONTACTS. CONNECTING 230V TO THE ROOM THERMOSTAT TERMI-
NALS WILL PERMANENTLY DAMAGE THE PCB.
When connecting a time control or timer, do not take the power supply for such de-
vices from their cutoff contacts. Their power supply must be taken with a direct con-
nection from the mains or with batteries, depending on the type of device.
Accessing the electrical terminal block
The electrical terminal block (fig. 14) can be accessed after removing the front panel (***
'Opening the front panel' on page 41 ***). The arrangement of the terminals for the vari-
ous connections is also given in the wiring diagram in fig. 30.
72
139
fig. 14 - 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. Before instal-
lation, check and carefully follow the instructions. Also, comply with the provisions on the
positioning of wall and/or roof terminals and the minimum distances from windows, walls,
ventilation openings, etc.
Connection with coaxial pipes
fig. 15 - 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. Any hor-
izontal sections of the fume exhaust must be kept sloping slightly towards the boiler, to pre-
vent possible condensate from flowing back towards the outside and causing dripping.
Table. 3 - Max. length of coaxial pipes
Max. permissible length (horizontal)
Max. permissible length (vertical)
Reduction factor 90° bend
Reduction factor 45° bend
Connection with separate pipes
A 138
fig. 17 - Examples of connection with separate pipes (
Table. 4 - Typology
Type
C1X
1 2 3 4
C3X
C5X
C6X
B2X
For the connection of separate ducts, fit the unit with the following starting accessory (Air
= - Fumes = )
Air inlet =
= Air / = Fumes)
cod. 3541G571 - Rev. 00 - 12/2015
041001X0
fig. 16 Starting accessories for coaxial ducts
C
5x
Description
Wall horizontal exhaust and intake. The inlet/outlet terminals must be concentric or close enough to be
undergo similar wind conditions (within 50 cm)
Roof vertical exhaust and intake. Inlet/outlet terminals like for C12
Wall or roof exhaust and intake separate or in any case in areas with different pressures. The exhaust
and intake must not be positioned on opposite walls.
Intake and exhaust with separately certified pipes (EN 1856/1)
Intake from installation room and wall or roof exhaust
IMPORTANT - THE ROOM MUST BE PROVIDED WITH APPROPRIATE VENTILATION
/ Fume outlet =
041065X0
fig. 18 - Starting accessory for separate ducts
Coaxial 60/100 Coaxial 80/125
7 m
28 m
8 m
1 m 0.5 m
0.5 m 0.25 m
B C
2x 1x
= Air / = Fumes)
39
EN