Data Sheet for Product

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Siemens Temperature Controller RAV11.. CE1N2224F
Building Technologies 2017-11-14
The unit has an opening for fitting a plug-in type switch.
If desired, the time switch fitted can be replaced by another. The electrical connections
to the controller are established via a terminal strip so that no wiring is required. The
time switches can only be mounted in one position.
The analogue time switches are equipped with a quartz clock The switching dial is
equipped with tappets that can be tilted. The heating periods are entered by tilting the
tappets within the required period of time:
Tappets tilted outward: Normal temperature
Tappets tilted inward: Economy temperature
24-hour time switch Weekly time switch
The 24-hour time switch has a 24-hour
switching dial. It carries 96 tappets, which
means four tappets per hour, giving a
resolution of 15 minutes. The shortest
possible heating period also is 15 minutes.
The weekly time switch has a 7-day
switching dial. It carries 84 pairs of tap-
pets, which means 12 pairs of tappets or
24 individual tappets per day. The resolu-
tion is thus one hour. However, since – for
mechanical reasons – at least two tappets
need to be tilted together to set one heat-
ing period, the shortest possible heating
period is two hours.
2224Z17
DIP-Switch
Reset
Temp.
Offset
If the measured room temperature does not agree with the temperature set on the knob,
the temperature detector can be recalibrated.
This can be done by adjusting a potentiometer that is located on the rear of the unit.
First, the unit must be removed from the socket.
The possible settings on the potentiometer are:
10
15
20
25
30
5
(°C) (°C) Pos.
22.00 20.00 8
21.75 20.00 7
21.50 20.00 6
21.25 20.00 5
21.00 20.00 4
20.75 20.00 3
20.50 20.00 2
20.25 20.00 1
20.00 20.00 0 <= Factory setting
19.75 20.00 F
19.50 20.00 E
19.25 20.00 D
19.00 20.00 C
18.75 20.00 B
18.50 20.00 A
18.25 20.00 9
After the corrections are made, the new setting must be confirmed by pressing the reset
button. Otherwise the previous settings are still active! After the reset the controller
can be remounted to the socket.
Analogue time switches
Calibration of detector
2224Z04