5 Commissioning
5.1
Control panel
5.1.1.
Functions of the keys
1
Display
2
>
[Escape] or
J
key
3
D
Heating temperature key or
[-]
4
N
DHW temperature key or
[+]
5
S
[Enter] or cancel
d
Key lock-out
6
B
[Chimney-sweeping] keys
(press the
2
and
3
keys simultaneously)
7
f
[Menu] keys
(press the
4
and
5
keys simultaneously)
8
a
On/off switch
The display has several positions and symbols and provides
information on the operating condition of the boiler and any possible
failures. A service message may also appear in the display. Numbers,
dots and/or letters may be displayed. The symbols located above the
function keys indicate their current function.
4
The display content can be changed using parameter
p6
.
4
The brightness of the display lighting can be changed using
parameter
p8
.
Key lock-out is activated by setting parameter
p6
to
3
. If no key is
pressed for 3 minutes, the display lighting switches off and only the
current water pressure, the
>
key and the
d
symbol are
displayed. Press the
S
key for about 2 seconds to reactivate the
display and other keys. The
d
symbol disappears from the display.
5.1.2.
Meaning of the symbols on the display
Q
Information menu:
Reading the various current values.
a
On/Off switch:
After 5 lock-outs, the boiler must be switched off/on
again.
B
Chimney-sweeping position:
Forced full or part load for CO
2
measurement.
b
Shunt pump:
The pump operates.
W
User menu:
Parameters at user level can be changed.
D
Central heating function:
Access to central heating temperature parameter.
C
Heating programme deactivated:
The heating function is deactivated.
N
DHW function:
Access to sanitary hot water temperature parameter.
T001996-A
1
2
3
4
5
8
6
7
Calenta 25s - 28c - 35s - 40c
5. Commissioning
040412 - 7600585-01
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