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.
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.
7.3.6. 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.
7
.3.7
.
Annual
M
aintanence
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.
The power supply of the boiler must be switched on.
The gas valve and radiator valves must be open.
Water pressure of system should be at appropriate
level.
The anti-freeze function helps protect your boiler, it
does not protect your installation.
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
18
