CE1N2226E / 01.02.2000
Siemens Building Technologies
2/8
Landis & Staefa Division
Plastic casing with analogue 24-hour or weekly time switch, easily accessible operating
elements and removable cover. The base plate can be fitted to all commercially avail-
able recessed conduit boxes or directly on the wall and can then be wired before at-
taching the controller to it. The casing accommodates the electronics with the DIP
switch. The potential-free changeover contact and the connection terminals are located
on the base plate.
22
26
Z
0
2
6
5
4
3
2
1
13
12
11
10
9
8
7
4
2
1
24
23
22
21
20
17
14
15
16
18
19
6
5
3
10
15
20
25
30
5
5
10
15
20
25
30
°C
°C
AUTO
Analogue time switch
Tappets tilted outward for
normal temperature
Tappets tilted
inward
for
economy
temperature
Operating mode selector
Heating periods according to
tappet settings on time switch
Continuous normal tempera-
ture
Continuous economy tem-
perature
Standby with frost protection
Setting knob for normal temperature
Setting knob for economy tempera-
ture
LED
Signalisation of override by remote
control or activation of relays by
switched on heating system.
Position for time switch
Heating periods according to tappet settings on time switch
Continuous normal temperature
Continuous economy temperature
Standby with frost protection
Factory settings
Setting range
20 °C
5…30 °C
15 °C
5…30 °C
When the LED lights up, the following is signalised:
•
With a connected remote control the unit is overridden from the outside (e.g. by a
telephone switch).
•
When no remote control is connected, the relays is activated and the heating is
switched on.
Mechanical design
Display and operating
elements
Operating modes
Set points
LED
