DOMINA C24 N / C28 N / C32 N
11
EN
cod. 3541E073 - Rev. 00 - 02/2014
EN
1. GENERAL WARNINGS
•
Carefully read and follow the instructions contained in this instruction booklet.
•
After boiler installation, inform the user regarding its operation and give him this
manual, which is an integral and essential part of the product and must be kept with
care for future reference.
•
Installation and maintenance must be carried out by professionally qualified person-
nel, in compliance with the current regulations and according to the manufacturer's
instructions. Do not carry out any operation on the sealed control parts.
•
Incorrect installation or inadequate maintenance can result in damage or injury. The
Manufacturer declines any liability for damage due to errors in installation and use,
or failure to follow the instructions.
•
Before carrying out any cleaning or maintenance operation, disconnect the unit from
the electrical power supply using the switch and/or the special cut-off devices.
•
In case of a fault and/or poor operation, deactivate the unit and do not try to repair
it or directly intervene. Contact professionally qualified personnel. Any repair/re-
placement of the products must only be carried out by qualified personnel using orig-
inal replacement parts. Failure to comply with the above could affect the safety of
the unit.
•
This unit must only be used for its intended purpose. Any other use is deemed im-
proper and therefore hazardous.
•
The packing materials are potentially hazardous and must not be left within the
reach of children.
•
The unit must not be used by people (including children) with limited physical, sen-
sory or mental abilities or without experience and knowledge of it, unless instructed
or supervised in its use by someone responsible for their safety.
•
The unit and its accessories must be appropriately disposed of, in compliance with
the current regulations.
•
The images given in this manual are a simplified representation of the product. In
this representation there may be slight and insignificant differences with respect to
the product supplied.
2. OPERATING INSTRUCTIONS
2.1 Introduction
Dear Customer,
Thank you for choosing a
FERROLI
wall-mounted boiler featuring advanced design, cut-
ting-edge technology, high reliability and quality construction. Please read this manual
carefully since it provides important information on safe installation, use and mainte-
nance.
DOMINA C24 N / C28 N / C32 N
is a high-efficiency heat generator for heating and do-
mestic hot water production, running on natural gas or LPG, equipped with an open-flue
burner with electronic ignition and microprocessor control system, designed for installa-
tion indoors or outdoors in a partially protected place (in compliance with EN 297/A6) for
temperatures to -5°C.
2.2 Control panel
fig. 1 - Control panel
1 =
Summer/Winter switchover and system temperature adjustment.
2 =
DHW temperature adjustment and deactivation.
3 =
(ECO/COMFORT) button.
4 =
Operation and fault signalling LEDs.
5 =
RESET button.
Indications during operation
During normal operation, the diagnostic check of the boiler sends information regarding
it status via the LEDs (4 - fig. 1):
Table. 1
2.3 Lighting and turning off
Lighting
•
Open the gas cock ahead of the boiler.
•
Switch on the power to the unit.
•
Turn the heating and DHW knob to the required temperatures.
•
The boiler is now ready to function automatically whenever hot water is drawn or in
case of a room thermostat demand.
B
If the burners do not light and the "block" indicator (
) comes on, press the
RESET button. The control unit will repeat the ignition cycle in the next 30 sec-
onds. If the burners do not light after the third attempt, refer to sec. 4.4.
A
In case of a power failure while the boiler is working, the burners will go out and
relight automatically when the power is restored.
Turning off
Turn both knobs (details 1 and 2 - fig. 1) to min.
When the boiler is turned off, the PCB is still powered.
Domestic hot water and heating mode are disabled, all the LEDs are off; the antifreeze
function remains activated.
B
The antifreeze system does not work when the power and/or gas to the unit are
turned off. To avoid damage caused by freezing during long idle periods in win-
ter, it is advisable to drain all water from the boiler, DHW circuit and system; or
drain just the DHW circuit and add a suitable antifreeze to the heating system,
complying with that prescribed in sec. 3.3.
2.4 Adjustments
Summer/Winter Switchover
Depending on the position of the knobs "1" and "2" it is possible to turn the boiler off,
switch between summer/winter mode or deactivate DHW.
A =
SUMMER mode (DHW only)
B =
SUMMER mode (h DHW)
C =
DHW deactivated (heating only)
fig. 2
1
2
3
4
5
Legend
OFF
ON
FLASHING
Green
Yellow
Red
Boiler status
Boiler off
Boiler in standby mode
Boiler in Standby / ECO mode
Heating (burner lit) / COMFORT mode
DHW mode (burner lit)
TEST mode
A
B
C
1
2
