18
Expert – Set parameters
Expert - Electrical connections
WARNING
Possible life-endangering electrical shock! Switch the power off to
electrical cables before working on power-carrying parts!
CAUTION
For fixed devices, an isolating mechanism must be installed for
shutting off from the network, in accordance with the installation
guidelines and EN 60335, e.g. with a switch.
The insulation for line conductors is to protected against damage
by overheating, e.g. insulating sleeve.
Electrical socket connection
1 2 3 4 5
SELV, safety extra low voltage
1
OpenTherm
2
OpenTherm
3 + 4 Telephone switch or external sensor
Phone switch
A telephone switch can be used to switch the heating into heating
mode. If a short circuit is detected between terminal 3 and 4, the
heatcircuit assigned switches into heating mode. Hot water prepara-
tion is also activated. Once the short circuit is removed, the heating
automatically reverts to the previous operating mode.
Expert – Set parameters
▷
Parameters P01 to P04 for users, see page 13 (User – Set
parameters)
WARNING
Incorrect settings can cause malfunctions and damage the heating
installation! Only a qualified technician may change the parameters
from no. 06.
▷
A CODE-NO must be entered via parameter P05 to change
parameters P06 and higher.
1
Turn selector switch to (parameter setting).
▷
The display shows .
2
Turn the rotary know until the parameter you want to change or
retrieve appears on the left in the display:
06
to
13
.
Press the OK button.
▷
Display jumps to
05
0000.
The first digit flashes.
4
Enter code no. (factory setting is 0000), set each digit with the
rotary knob and press the OK button.
▷
The display jumps back to the parameter to be changed.
▷
The display flashes if the code no. is correct. (If the code no.
was not entered correctly, the display does not flash. Continue
with step 3.)
5
Use the rotary knob to set the desired value.
▷
A number of parameters can only be displayed.
6
Press the OK button to confirm.
7
After you have made your settings, continue with step 2 if you
want to change further parameters (you do not need to enter
the code no. again), or turn the selector switch back to
.
▷
The table - List of parameters P05 to P13 - shows the possible
settings.
