4
User’s operating instructions
6 - OPERATING INSTRUCTIONS
6.1 - CONTROL PANEL
A = Domestic hot water temperature control
B = Summer/winter se Central heating temperature
control knob
C = Power On indicator led(Green)
D = Central heating mode indicator led
E = Burner On indicator led(Green)
F = “RIRA” (pre-heating) mode indicator led
G = Reset /chimneysweeper mode key
H = Lock-out led indicator
I = System temperature control/pressure gauge
Summer/winter se Central heating
temperature control knob
By turning this knob it is possible to choose
the following operating modes:
- Summer (only DHW production)
- Winter (DHW production and central hea-
ting temperature control)
When the switch is in the
(Summer)
position the central heating mode is exclu-
ded. However, the frost protection mode
remains enabled.
With the knob in the position indicated
in the figure, the boiler is in the “Winter”
mode, and controls the central heating
hot water flow temperature. The tempe-
rature can be adjusted between 30°C mi-
nimum and 80°C maximum.
B
C
A
D E
F
H
G
I
Domestic hot water temperature control
NOTE!
For the Alkon R model this mode is enabled
only if the boiler is connected to an external
storage tank.
With this knob it is possible to adjust the do-
mestic hot water draw-off temperature:
By turning the knob within the range indi-
cated in the figure, it is possible to adjust
the domestic hot water temperature. The
temperature can be adjusted between
35°C minimum and 57°C maximum.
