7
.3
.
Operation Functions
7
.3.1
.
Standby (OFF Mode):
The mode where boiler
can
be set to standby mode. In this mode, no requests for heating
water and domestic water can be made. To activate the OFF
mode, it is necessary to keep button no. 1 (position selector)
pressed for 3 seconds continuously. When -OFF-
is
displayed on screen, mode is activated.
7
.3.2
.
Air Purge
Mode (AP Mode):
It is the process that the
boiler
automatically activates to discharge air in the central
heating installation for 160 seconds. In this mode, "AP" is
displayed on the screen. The circulation pump runs for 15
seconds and
then stops every 5 seconds in intervals of every
20 seconds. The three-way valve motor also changes position
between a CH-DHW in 40 seconds. The situations where this
mode is activated is listed here below.
9
Once the boiler
is powered for the first time or after the
electricity has been
switched off and on,
9
After the reset operation following the overheating fault
(E03),
9
After elimination of high water pressure (F40) or low water
pressure (F37) error,
CAUTION: Do not press 'RESET' while
AP mode is active.
7
.3.3
.
Winter mode-Radiator
Heating:
If the boiler
in the
standby position is set to the winter position, it
will heat the
water in the heating circuit until the domestic water is needed.
In the winter mode, both the tap and the radiator icon are
displayed on the LCD screen.
When a
request for heating is made for radiator, radiator icon
flashes (once/second), tap icon stays fixed.
When a request
for domestic water is made, tap icon flashes (once/second),
radiator icon stays fixed. In this mode, radiator heating
circuit's temperature
can be set between 30-
80 °
C. For
under floor heating applications, the temperature range can be
set between 30-45
°
C.
7
.3.4
.
Summer Mode:
If the boiler
in the OFF position is set
to
the summer position, the boiler
will only respond to the
domestic hot water demands. In summer mode, the tap
symbol appears fixed on the LCD screen, the radiator icon
does not appear. When the domestic hot water is heating
request, the tap symbol flashes (1 time/sec). In this mode, the
domestic hot water temperature can be adjusted between
30-
65 °C.
7
.3.5
.
Comfort Mode:
The standard operating mode of the
boiler
is Comfort mode. By pressing the "Reset" button, Eco-
Comfort modes can be switched. When Comfort mode is
active, "Comfort" icon is displayed on the LCD screen.
Comfort mode is only for radiator heating circuit. It has no
effect on use of domestic water circuit. In this mode, the boiler
responds to fast heating demands by running in modulation
.
7
.3.7
.
Annual Maintanence
Reminder
:
This mode reminds
user that “annual maintanence time
is very soon”.
When this mode is
active, only "ASE" is displayed on
screen and boiler
continues to meet
heating
requests.
Electrical
connection of boiler must be always
connected to mains, otherwise
function will not work properly.
When you see "ASE" on screen,
please check your boiler start up
date and contact with gas safe
engineer if annual maintanence
period is arrived. If maintance of
the boiler
is
done before “ASE”
appears on screen, you can skip it
by pressing “R” button.
7
.3.8
.
Anti-Frost Mode:
During the winter
season, when the installation water temperature falls
below
6 ° C, the anti
-freeze function is activated
and the boiler
continues to operate until the water
output of
installation rises to 15 ° C. In order for anti
-
freeze function to be activated, the following
conditions must be checked and ensured by the
customer.
9
The power supply of the boiler
must be switched
on.
9
The gas valve and radiator valves must be open.
9
Water
pressure of system should be at
appropriate level.
9
The anti-freeze function helps protect your boiler,
it does not protect your installation.
9
If the boiler
will not be operated for a while in
places where there is risk of freezing, then it is
necessary
to
drain the water
or to use an anti-freeze
agent
7.3.6. ECO Mode:
By pressing the "Reset" button,
Eco-Comfort modes can be switched. When Eco
mode is active, "Eco" icon is displayed on the LCD
screen. Eco mode is only for radiator heating circuit.
It has no effect on use of domestic water circuit. This
mode allows savings on fuel by performing on-off
operation.
14
