Bosch Thermotechnik EU 2 D Manual page 15

3.2 Operating Elements
and Indicators
3.2.1 Setting Buttons for the
Switching Periods
Each switching period is set with
buttons arranged in pairs with the
(normal operation) buttons above
and the (reduced operation) be-
low.
Normal
operation
Reduced
operation
Switching periods
Channel 1 Channel 2
3.2.2 Program Step Display
• A programmed switching period is
indicated with two vertical bars:
Left: Start of normal operation
Right: Start of reduced operation
• An active switching period is indi-
cated with horizontal lines.
• Deleted switching periods are not
displayed.
Example:
Program step
display
Switching periods
• Period I already completed, II ac-
tive.
Channel 1 operates in normal
mode.
• Period III not active, IV not pro-
grammed.
Channel 2
duced/frost protection mode.
I II III IV
I II III IV
Channel 1 Channel 2
operates in
3.2.3 Clear Button
The clear button CL is recessed to
prevent unintentional operation.
Note: When the clear button is
pressed, the switching timer must
then be completely reprogrammed!
• All settings are reset to the basic
program (heating from 06.00 to
22.00 hrs).
• Day of the week and time are set
to Monday, 00.00 hrs.
3.2.4 Operating Mode Switch
Possible settings:
Timed operation.
Continuous normal operation, the
timer continues to run.
Continuous reduced operation,
the timer continues to run.
In combination with
TA 210/211 E:
– Set the operating mode on the
heating regulator:
• TA 210 E:
• TA 211 E:
Channel 1 of the switching timer
controls the automatic switch-over
between normal and reduced op-
eration.
Channel 2 controls the heating of
the warm water storage or opera-
tion in
(for ZWR...-3/4 as of FD 761,
ZWBR 8-25 A and ZW.. with
Bosch Heatronic).
– Set the operating mode
switching timer so that all regula-
tor functions can be used.
re-
EU 2 D
or
the comfort
on the
mode
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