4
User’s operating instructions
A = Manometer
B = Summer/Winter Heating temperature controller
C = D.H.W. temperature controller
D = Push button for RESET/CALIBRATION/DIAGNOSTICS
E = Display
F = Symbol indicating a heating request
G = Symbol indicating a D.H.W. request
I
= Symbol indicating a burner lockout
L = Symbol indicating burner in operation
M = Symbol indicating an error presence
N = Digits indicating boiler temperature or error code
B
D
A
C
E
F
G
L
I
M
N
Summer/Winter Heating temperature
controller
Through this knob it is possible to select the
operation mode:
·
Summer (D.H.W. production only)
·
Winter (Heating and D.H.W. production)
The pointer of the knob in
Summer position
means that the boiler does not supply any
heating (in any case the anti-frost protection
remains active).
With the pointer of the knob within the range
shown beside, the boiler is in Winter mode
and controls the heating water temperature,
which can be adjusted between a minimum
of 30°C and a maximum of 85°C.
D.H.W temperature controller
In the ALKON R models this function is active only if the boiler
is connected to an external D.H.W. storage tank.
Through this knob it is possible to adjust the
temperature of the D.H.W.
NOTE
In the ALKON R models, not
connected to an external
D.H.W. storage tank, the
pointer of the knob has to be
positioned as shown beside.
With the pointer of the knob within the range
shown beside, the D.H.W. temperature is 38°C.
Function “ECO-COMFORT”
With the pointer of the knob within the range
shown beside, there is the activation of the
function ECO-COMFORT, which assures a
drawing of D.H.W. at 38°C with the best energy
saving.
Function “COMFORT”
The D.H.W. temperature can be adjusted
between a minimum of 38°C and a maximum
of 60°C.
HOLIDAYS
If the boiler is not controlled by a modulating
chrono-thermostat, during Holidays period the
pointer of the knob has to be positioned within
the range shown beside.
°C
®
MAX
MAX
M
IN
MAX
MAX
MAX
MAX
MAX
MAX
6 - OPERATING INSTRUCTIONS
6.1 - CONTROL PANEL
