Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
ENGLISH
- Drain-tap with float, for discharging the condensate and preventing
the leakage of flue gases
- Anti-overflow pressure switch
- Airtight combustion chamber
- Double shutter electric valve for burner control
- Flame ionisation control box that suspends gas delivery in the ab-
sence of a flame
- Safety limit thermostat that controls appliance overheating, to ensure
optimum plant safety
- Differential pressure switch that verifies correct operation of the fan,
discharge pipes and combustion air suction pipes
- 3-bar safety valve on the heating plant
- First level antifreeze.
3 -
INSTALLATION
3.1
Installation regulations
Installation must be carried out by qualified personnel, in accordance
with the regulations in law.
POSITION
The boiler can be installed indoor and outdoor, in a partially protected
place (i.e. a place where the boiler is not exposed to direct contact or
infiltration of rain, snow or hail). The boiler can operate in a tempera-
ture range from -3°C to +60°C. For further details, refer to "Anti-freeze
system" section.
ANTI-FREEZE SYSTEM
The boiler is fitted as standard with an automatic anti-freeze system
that actives when the water temperature in the primary circuit falls be-
low 5°C.
This system is always active, guaranteeing boiler protection down to an
installation area temperature of -3°C.
To take advantage of this protection, based on the burner operation,
the boiler must be able to switch itself on; any lockout condition (i.e.
due to a lack of gas or electrical supply, or the intervention of a safety
device) therefore deactivates the protection.
By using a specific accessory, the DHW circuit can be protected in case
of temperatures lower than -3°C up to -10°C. This system is made by a
series of electrical resistances.
To use the anti-freeze protection, an electrical supply is required;
this means that any blackout or disconnection will deactivate the
protection.
The anti-freeze protection is also active when the boiler is on
stand-by.
In normal operation conditions, the boiler can protect itself
against freezing.
In areas where temperatures may fall below 0°C, or when the machine
is left unpowered for long periods, you are advised to use a good qua-
lity anti-freeze liquid in the primary circuit to avoid the risk of freezing if
you do not want to drain the heating system.
Carefully follow the manufacturer's instructions with regards not only
the percentage of anti-freeze liquid to be used for the minimum tem-
perature at which you want to keep the machine circuit, but also the
duration and disposal of the liquid itself. For the hot domestic water
part, we recommend you drain the circuit.
The boiler component materials are resistant to ethylene glycol based
anti-freeze liquids.
Anti-freeze kits and upper cover kits are also available for boilers
installed outdoors in a partially protected place.
MINIMUM DISTANCES
In order to have access to the boiler to perform regular maintenance
operations, respect the minimum spaces foreseen for installation (fig. 9).
For correct appliance positioning, bear in mind that:
- it must not be placed above a cooker or other cooking device
- it is forbidden to leave inflammable products in the room where the
boiler is installed
- heat-sensitive walls (e.g. wooden walls) must be protected with prop-
er insulation.
IMPORTANT
Before installation, wash all system piping carefully in order to remove
any residues that may impair the operation of the appliance. Connect
4
All manuals and user guides at all-guides.com
the discharge manifold to a suitable discharge system (for details, re-
fer to paragraph 3.7). The domestic hot water circuit does not need a
safety valve, but make sure that the pressure of waterworks does not
exceed 6 bar. Ii in doubt, install a pressure reducer. Prior to ignition,
make sure that the boiler is designed to operate with the gas available;
this can be checked by the wording on the packaging and by the ad-
hesive label indicating the gas type. It is very important to highlight that
in some cases the smoke pipes are under pressure and therefore, the
connections of several elements must be airtight.
3.2
In the case of a new installation or replacement of the boiler, it is nec-
essary to clean the heating system.
To ensure the device works well, top up the additives and/or chemical
treatments (e.g. anti-freeze liquids, filming agents, etc.) and check the
parameters in the table are within the values indicated.
3.3
The boiler is supplied with a paper template that allows to make the hy-
draulic and system connections without overall dimensions of the boiler
(fig. 10). The position and dimension of hydraulic fittings are shown in
the detail drawing.
For the assembly, proceed as follows:
- secure the boiler paper template to the wall and use a spirit level to
- mark the holes envisaged for securing the boiler
- put of the paper template and drill the wall using drill tips with appropriate
- hang the boiler
- make the hydraulic connections.
The operations to install the boiler and connect it to the water and gas
supplies are now complete.
The position and size of the hydraulic connections are indicated below
(see fig. 12):
R
M
G
AC
AF
3.4
If you want to reduce the formation of condensation, follow the instruc-
tions below:
- position the selectors for adjusting the temperature of the domestic
3.5
The boilers leave the factory fully wired, with the power cable already
connected. They require only the connection of the ambient thermostat
(TA) to the specific terminals (fig. 6).
To access the terminal board:
- set the main system switch to OFF
- loosen the screws (A) that hold the housing in place (fig. 14)
- unscrew the screw (B) that secures the control panel
- rotate the control panel towards you
- remove the terminal board cover (fig. 15)
The room thermostat must be connected as shown on the electrical
diagram.
Cleaning the system/characteristics of the
heating circuit water
Parameters
udm
pH value
Hardness
°F
Appearance
Securing the wall-mounted boiler and hydraulic
connections
In case of installation of the "Condense collector tray" kit, before
proceeding to position the boiler, provide the necessary space (see
fig. 11).
make sure that everything is perfectly horizontal, if necessary provide
a thickness
diameters
heating return
heating delivery
gas connection
DHW outlet
DHW inlet
FCR function (reduced condensation formation)
hot water and the heating water in the zone indicated by "FCR" (re-
duced condensation formation) (fig.13).
The closer the selector gets to the maximum value that can be set,
the less condensation produced.
Electrical wiring
Ambient thermostat input in safety low voltage (24V DC).
Heating
Filling water
circuit water
7-8
-
-
15-20
-
clear
3/4"
M
3/4"
M
3/4"
M
1/2"
M
1/2"
M
Publicité
Table des Matières
