SC28.X3/M/E/0307
Programming manual Astro-switching SC 28
1 ⇒ Monday
2 ⇒ Tuesday
3 ⇒ Wednesday
4 ⇒ Thursday
5 ⇒ Friday
6 ⇒ Saturday
7 ⇒ Sunday
⇒ Channel ON
⇒ Channel OFF
In mode AUTO manual
switching possible by pressing
relevant keys.
Programming
Key functions
Menu Selection of programming modes
AUTO → PR → ? → → S/W → AUTO ...
[ CL ] CLear programmed switch commands in
modes PR; ? and
.
[
◆] In PR; ?;
and S/W modes:
Select function option of flashing digit resp.
position.
In Mode ?: Change selected inputs.
[ O.K.] Confirm the selected mode.
In PR and
modes:
Advance to required position. (forwards)
In? mode:
Advance to next switching time.
In S/W mode:
Enter into memory.
[◄] In PR and
modes:
Return to required position. (backwards)
In ? mode:
Return to previous switching time.
[ A ] In AUTO mode:
[ B ] Press for manual override ON or OFF in
relevant channel. Holding down key for 3
seconds will switch ON or OFF PERM override.
perm will be displayed. Programmed switching
functions of relevant channel are suppressed.
Cancel permanent ON or OFF by holding down
key for a further 3 seconds, perm will disappear.
Programming advice
The default setting on delivery is programmed real
time and date, the summertime change is
activated.
Battery power reserve:
Either without external power, or during a supply
interruption, by operating the O.K. button the display
comes on and switching commands can be
programmed.
Make inputs step by step. The appropriate position in
the display is flashing and can be changed by pressing
◆ key. Advance to next position by using O.K. key, go
backwards by using ◄ key. Inputs are terminated
when flashing finishes.
Installation details
Caution: The installation and assembly of electrical
equipment must be only carried out only by a
skilled person.
Connect to voltage and frequency according to type
label only.
Warranty void if housing opened by unauthorised
person.
The high density electronic circuit is protected against
a wide range of external influences. Incorrect operating
may occur if external influences exceed certain limits.
Reset
Pressing recessed button in the middle of ◄ key and
CL key, will clear date, real time and microprocessor
Switching programmes normally will not be affected.
(Check by Read – Out; “?”mode)
The
mode is selected because date and real time
must be programme new.
Operating modes
AUTO Display of time, day of week, current switch
status of channel(s). Bar graph display of ON
time. Display the current sunset-time (ON) by
operating the O.K. key and the sunrise-time
(OFF) by operating the O.K. key a second time.
Manual overriding possible (key A, B)
PR Input of switching commands according to
week day(s) and time
Use arrow ◄ and O.K. keys to alter flashing digit.
Use diamond
◆ key to increase value.
(Confirm last input with O.K. key, will enter into
memory)
? Displays number of free memory locations
Selects the selected Astro-table
Show switching times
Alter switching time
Clear single or all switching times
Use O.K. key forwards or ◄ key backwards to
display switching times.
Use diamond
◆ key to change (alter)
displayed switching time.
Use CL key to cancel the displayed switching
time.
Use CL key twice to cancel all switching times if
number of free memory locations available
displayed only.
Input of actual date and time
Use arrow ◄ and O.K. keys to alter flashing
digit.
Use diamond
◆ key to increase value.
(Confirm last input with O.K. key, will enter into
memory and change into AUTO mode)
S/W To activate / deactivate the summer/winter
time change over.
Use diamond
◆ key to select automatic S/W –
time change ON or OFF.
(Confirm last input with O.K. key, will enter into
memory and change into AUTO mode)
Astro-function
• The switch function OFF in Astro mode is alligned
with sunrise
• The switch function ON in Astro mode is alligned
with sunset
• Each switch-time can be programmed alternatively
as Astro, or as normal switch-time.
• With the two channel version each channel can be
programmed seperately to be Astro or normal
switching function.
• If the Astro-function is chosen for a switch-time, the
sunrise (turning off) as well as sunset (turning on)
times programmed for the current day will be shown
in the Display -
- this time can be changed as required and
becomes automatically modified each successive
day in accordance with the chosen Astro table -
- the difference (offset) between the entered switch-
time and the sunrise/set-time is fixed for successive
operations
• The programmed switching times, (mode P), as well
as the indicated Astro-switch times (mode?) are
always applied exclusively to the current day.
• In mode AUTO The current sunset-time can be read
by pressing button O.K., and by pressing O.K.twice
the current sunrise-time is displayed
• In mode ? the matching astro-table must be chosen
as the first step.
Astro table – custom on request
Table Location
At 01 Scotland
At 02 England North
At 03 England South
At 04 Ireland
At 05 Germany North
At 06 Germany Middle
At 07 Germany East
At 08
Germany South, Swiss North East,
Austrian North
At 09 France Middle
At 10 France North East
At 11 France North West
At 12 France South East; Swiss East
At 13 France South West
At 14 Italy North, Swiss South, Austrian South
At 15 Italy Middle
At 16 Italy South
Mode ?
Select time zone. (see table)
Prior to programming switching commands it is
necessary to select the installation time zone.
A different Astro-table can be chosen at anytime. The
currently programmed Astro-switch times are
automatically re-calculated after the selection of the
new table.
Programmed Astro-switch times can be checked,
amended or deleted and input again..
Example: Astro-table 05 (At 05) required.
Start from: Mode AUTO;
Astro-table 01 (At 01) active.
Push button
2x, &
button O.K. 1x
Display of free
programming
commands
Push button
O.K. 1x
Push button
◆ 1x
Push button
◆ 3x
After programming, viewing or amending time zone, by
pressing button O.K. switching commands can be
viewed, programmed or amended.
To return to AUTO mode press
button once.
Mounting advice
DIN – rail – mounting
Back view
Wall mounting
(Special cover required)
Wiring diagrams
SC 28.13
SC 28.23
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