Battery Reserve - Bosch Thermotechnik EU 2 D Manual

EU 2 D
– Release the
– Change other switching periods in
the same way if required.
Deleting unused switching
periods:
– Press and hold the
the switching period that is not
necessary.
– Turn the knob (rf) to the left until
the display shows four lines
(Fig. 13).
– Release the
– Repeat the process for the
ton (re) located directly below.
Completing the setting:
– Briefly press the time setting but-
ton (rh).
The daily program is stored and the
current weekday is displayed.
Note: When no entry is made for ap-
prox. one minute, the display chang-
es automatically back to the current
weekday.
3.4 Checking the Settings
Stored programs can be checked at
any time.
– Press and hold the ∆ button (ri).
– Set the arrow with the knob (rf)
to the weekday that is to be
checked.
The weekday blinks.
– Press the button (rd) or the
button (re) of the switching period
that is to be checked.
The programmed time is dis-
played.
18
button (re).
button (rd) of
button (rd).
but-
Completing the check:
– Briefly press the button
The current weekday is displayed.
4
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Battery Reserve

The battery reserve, after at least
three days of charging while con-
nected to the power supply is ap-
prox. 16 hours. During this time the
settings are retained.
Note: Do not disconnect the timer
for long periods from the power
mains. Deep discharging shortens
the service life of the timer.
– Switch off the heater only for serv-
ice work.
For interrupted power supply (e.
g., maintenance work or power
failure), the display extinguishes.
When the boiler is to be put out
of operation, perform one of the
following:
– Change the limiting temperature
for automatic heater switch-off on
the heater regulator TA 210 E / TA
211 E.
or
– Set the operating mode switch on
the appliance to „I".
(rh).