Commissioning; Control Panel; Functions Of The Keys; Meaning Of The Symbols On The Display - REMEHA Calenta 25s Installation And Service Manual

Calenta 25s - 28c - 35s - 40c
5

Commissioning

5.1

Control panel

2 3 4
6
Information menu:
Q Reading the various current values.
Chimney-sweeping position:
B
Forced full or part load for CO
User menu:
W
Parameters at user level can be changed.
Heating programme deactivated:
C
The heating function is deactivated.
040412 - 7600585-01
1
5 8
7
T001996-A
measurement.
2
5.1.1.

Functions of the keys

Display
1
> [Escape] or J key
2
D Heating temperature key or [-]
3
N DHW temperature key or [+]
4
S [Enter] or cancel d Key lock-out
5
B [Chimney-sweeping] keys
6
(press the 2 and 3 keys simultaneously)
f [Menu] keys
7
(press the 4 and 5 keys simultaneously)
a On/off switch
8
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

On/Off switch:
a After 5 lock-outs, the boiler must be switched off/on
again.
Shunt pump:
b
The pump operates.
Central heating function:
D
Access to central heating temperature parameter.
DHW function:
N
Access to sanitary hot water temperature parameter.
5. Commissioning
53