Time switch
037 09, 037 12
NT 29 17 57 01
Safety notes
• Installation of these products should only be undertaken by a qualified electrician.
• The operational and electrical safety is only guaranteed, if the product is installed using its
proper accessories, in a position as specified in the installation instructions (distribution panel).
• Any interference with the product makes the guarantee void.
• This product contains a battery, which can be dangerous for the environment and has to be
disposed of separately. The product has to be disassembled and the battery has to be removed
from the printed circuit board.
• If the time switch is mounted near equipment where heat produced raises the local ambient
temperature above 55°C then a space should be put between the time switch and the
equipment (e.g.
1
⁄
space module code 044 40 or 1 space module code 044 41).
2
Function
The MicroRex DS21 is a 1 channel electronic impulse weekly time switch. The impulse length is to be set once. Input of max 14 start times is
possible. They can be repeated on every day of the week or on any day(s) of your choice (block program).
The max 14 start times may be distributed at will on any day of the week. The set impulse duration (1-199secs) starts at the start time.
Presentation
Liquid Crystal Display
Actual time or
start time
Actual weekday
ie. switching days
1 2 3 4 5
Impulstime
1
Time unit for
impulse length
Connection
L
N
All manuals and user guides at all-guides.com
Symbol for
"time set"
1
state of output
Start
6 7
1
= ON
1
= OFF
sec
Symbol for "start time set"
1
2
3 4
5
Technical data
Supply voltage:
Consumption:
Contact rating:
Parallel compensation:
Accuracy:
Terminal capacity:
Program pictures:
Battary reserve:
Storrage ambient:
Working ambient:
Programming Buttons
Choose and
acknowlegde
the function
direct selection of set
impulse time(s)
Summer/winter
changeover
Impulse diagram
set impulse duration
1...199 sec
start time
Operating instructions
037 09
037 12
230V~ 50/60Hz
120V~ 50/60Hz
ca. 0,6W
1 changeover contact 16A 250V~µ cos ϕ = 1
60VA max. 7µF
±2,5s/d
single strand
multi strand
2
1 to 4 mm
0,5 to 2,5 mm
8
100h
-10°C bis +60°C
0°C bis +55°C
Selction of test impulse time(s)
Setting hours, minutes,
+
Set
days and impulse(s)
time(s)
1x
Test
–
±1h
C
Delete a start time
R
GB
®
2