Instruction Manual
26
Turning on the boiler in the heating season (winter)
•
Set the desired temperature of the heating water using buttons: {+ / - C.H.} with values in the range from 40ºC to 80ºC
•
The spark generator will cause outflowing gas from the burner to ignite
•
Set the desired water temperature using buttons (pos.6) with values in the range 30ºC to 60ºC. Remember! The priority
is always to obtain domestic hot water during operation of the boiler
•
When the room temperature controller (e.g. thermostat) is connected, set the desired room temperature on the
controller.
5.3 OPERATING MODES OF THE CONTROLLER
Mode
Display
Changing the operating
mode
Performed functions
STAND-BY
To turn on /turn off
the controller press the
RESET button for about
2 seconds
•
anti-freezing function: the boiler
is switched on when the boiler
water temp. drops below 8°
C and
heats the water as long as the
temperature reaches 20°
C
•
protection against pump blocking
(pump is switched on 180 seconds
every 24 hours)
•
3-way valve blocking protection
(valve is switched on 15 sec. every
48 hours)
WINTER
Press button
for about 1 second -
changing the operating
mode to mode WINTER
•
CH and DHW heating,
•
Service function,
•
Anti-legionella function - active
only for boilers with tanks
SUMMER
Press button
for about 1 second -
changing the operating
mode to mode SUMMER
•
D.H.W. heating,
•
Anti-legionella function - active
only for boilers with tanks,
5.4 BOILER ADJUSTMENT
When the controller restarts operation after a power loss, the display shows a flashing symbol
. The symbol disappears
when the control system is ready to accept user commands.
Symbol on
the display
Signalization
Remarks
BURNER IS OPERATING
Left flame: DHW mode operation.
Right flame: CH mode operation.
WEATHER FUNCTION IS
ACTIVE
During the CH setting changing, instead of the temperature the value of Kt
parameter is displayed for example: 5.2 without symbol: C.
CHANGING C.H. SETTING
During changing the CH setting symbol
flashes with the set value.
CHANGING DHW SETTING
During changing the DHW temperature setting
symbol flashes with the
set value.
MAX
MAXIMUM SETTINGS
Maximum setting value is reached. If you exit the setting changes mode the
symbol is blanked.
MIN
MINIMUM SETTINGS
Minimum setting value is reached. If you exit the setting changes mode the
symbol is blanked.
L3
PAUSE IN C.H. HEATING
Displayed L3 symbol means a pause in C.H. heating in time determined by
parameter P25 (default 3 min) for heat exchanger cooling when C.H. tempera-
ture exceeds the hysteresis value (parameter P20, default 5°C) of the setting.
Pump operation will be stopped if the following conditions are met:
•
no signal “HEAT” from room temperature regulator,
•
heating water temperature dropped by 5°
C from the set value
•
180 sec. have passed after burner switching off.
