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Siemens Building Technologies

CE1N2226E / 01.02.2000

Landis & Staefa Division

1/8

2

226

Self-learning Room
Temperature Controller

RAV12…

with analogue 24-hour or weekly time switch
and possibility of remote control

Mains powered room temperature controller featuring straightforward operation.

Self-learning two-position controller providing PID control (patented).

Freely selectable switching times.

Room temperature control in:

– 

Single-family and holiday houses

– 

Apartments and office spaces

– 

Individual rooms and consulting rooms

– 

Commercially used spaces

For the control of the following pieces of equipment:

– 

Solenoid valves of instantaneous water heaters

– 

Solenoid valves of atmospheric gas burners

– 

Forced draught gas and oil burners

– 

Circulating pumps in heating systems

– 

Electric direct heating

– 

Fans of electric storage heaters

– 

Zone valves (normally closed)

 PID 

control

  Self-learning or selectable switching cycle

  Freely adjustable 24-hour mode

  Freely adjustable weekly mode with weekly time switch

  Frost protection function

  Minimum limitation of set point

Room temperature controller, AC 230 V mains powered

without time switch (not soled in this form)

RAV12

Room temperature controller, AC 230 V mains powered

with analogue 24-hour time switch

RAV12.1

Room temperature controller, AC 230 V mains powered

with analogue weekly time switch

RAV12.7

Analogue 24-hour time switch

AUZ3.1

Analogue weekly time switch

AUZ3.7

When ordering, please give type reference according to "Type summary".

The unit is supplied with all necessary features.

Use

Functions

Type summary

Ordering

Delivery

Summary of Contents for RAV12 series

Page 1: ...burners Forced draught gas and oil burners Circulating pumps in heating systems Electric direct heating Fans of electric storage heaters Zone valves normally closed PID control Self learning or selectable switching cycle Freely adjustable 24 hour mode Freely adjustable weekly mode with weekly time switch Frost protection function Minimum limitation of set point Room temperature controller AC 230 V...

Page 2: ... 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 ti...

Page 3: ...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 With the help of a suitable remote operation unit the controller can be switched to the economy temperature set for operating mode Changeover takes place through the...

Page 4: ... Version 1 20 C 15 C Version 2 18 22 C 13 17 C Version 3 15 25 C 10 20 C upon request 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 ar...

Page 5: ...p of the DIP switches located at the rear of the unit If the reference room is equipped with thermostatic radiator valves they must be set to their fully open position If the measured room temperature does not agree with the set room temperature on the setting knob the detector should be recalibrated please refer to Calibration of detector Operating voltage AC 230 V conformity to EEC directive 89 ...

Page 6: ...ion L2 N C contact AC 24 250 V T2 Signal remote operation M1 Circulating pump Y1 Regulating unit N Neutral AC 230 V T T F1 F2 N1 M1 Y2 2222S01 T T F1 F2 N1 M1 Y2 2222S02 T T Instantaneous water heater Atmospheric gas burner T N1 Y1 2222S03 M1 Circulating pump with pre control by manual mixing valve F1 Thermal reset limit thermostat N1 RAV12 room temperature controller F2 Manual reset safety limit ...

Page 7: ...Siemens Building Technologies CE1N2226E 01 02 2000 Landis Staefa Division 7 8 138 104 37 2226M01 2226M02 Dimensions ...

Page 8: ...CE1N2226E 01 02 2000 Siemens Building Technologies 8 8 Landis Staefa Division 1999 Siemens Building Technologies Ltd Subject to change ...

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