11
Maintenance
6 720 612 217 (05.03)
5.3 Settings
5.3.1 Storage tank temperature
limit
B Press and hold the button for
approx. 2 seconds until the flashing
symbol max appears on the dis-
play (Fig. 11).
B Set the maximum storage tank tem-
perature using the / but-
tons.
B Save setting by pressing the
button.
5.3.2 Manual mode
Switching on the solar heating system
pump, e.g. for commissioning or servic-
ing:
B Set the mode selector switch S to
solar heating pump ON.
– The solar heating system pump
will run continuously.
– The display backlighting is red,
ON flashes and the symbol
moves (Fig. 12).
5.3.3 Viewing temperature read-
ings
B Pressing the / button
allows you to view the following
readings:
– Solar panel temperature
– Storage tank lower-zone tempera-
ture .
5.3.4 Power failure
• None of the settings are lost if there
is a power failure.
• When the power is restored, the
TDS 10 automatically starts working
again according to the set pro-
gramme.
6 Maintenance
When carrying out maintenance work
on the system:
B Set the mode selector switch S to
solar heating pump OFF.
– The solar heating pump will stop.
– The display backlighting is red,
OFF flashes and the symbol
stops moving (Fig. 13).
B Switch off the power supply.
Warning: Risk of
scalding from storage
tank temperatures
over 60 °C!
B Fit a thermostatic mix-
er to the hot water
draw off pipe and set
to 60 °C max.