Siemens RAV12 series Bedienungsanleitung

Siemens Building Technologies CE1N2226E / 01.02.2000

Landis & Staefa Division 1/8

2226

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

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.

2226Z02

15 20 25

10 15 20

°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

Siemens Building Technologies CE1N2226E / 01.02.2000

Landis & Staefa Division 3/8

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:

15 20 25

(°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.

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

making of a potential-free contact connected to terminals T1 and T2.

The LED indicates this by being light.

After the contact opens, the selected operating mode becomes active again.

Operation according to the settings made

on the controller Continuous economy temperature

2226Z04

2226Z05

Suitable remote operation units are e.g.:

– Telephone modem

– manual switch

– window switch

– presence detector

– central unit

Calibration of detector

2224Z04

Remote operation

CE1N2226E / 01.02.2000 Siemens Building Technologies

4/8 Landis & Staefa Division

123

PID 12

PID 6

2-Pt

2224Z01

Self learning 4

The RAV12… is a two-position controller providing PID control. The room temperature

is controlled through the cyclic switching of a regulating unit..

The controller is supplied with an active self-learning mode, which enables it to auto-

matically adapt to the controlled system (type of building construction, type of radiators,

size of rooms, etc.). After a certain learning period, the controller optimises its parame-

ters and then operates in the mode it has learned.

In exceptional cases, where the self-learning mode may not be adequate, it is possible

to choose between PID 12, PID 6 or 2-Pt mode:

Switching cycle of 12 min for normal or slow controlled systems (e.g. massive building

structures, large spaces, cast-iron radiators, oil burners).

Switching cycle of 6 min for fast controlled systems (e.g. light building structures, small

spaces, plate radiators or convectors, gas burners).

Pure two-position control with a switching differential of 0.5 °C (±0.25 °C) for very diffi-

cult controlled systems with considerable outside temperature variations.

Standard 5…30 °C 5…30 °C

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 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.

Technical features

DIP-Switch

Control

Self-learning mode

PID 12 mode

PID 6 mode

2-Pt mode

Setting knobs

Analogue time switches

Siemens Building Technologies CE1N2226E / 01.02.2000

Landis & Staefa Division 5/8

•The room temperature controller should be fitted in the main living room.

•The place of installation should be chosen so that the sensor can capture the room

temperature as accurately as possible, without being affected by direct solar radia-

tion or other heating or cooling sources.

•Mounting height is approx. 1.5 m above the floor.

•The unit can be fitted to most commercially available recessed conduit boxes or di-

rectly on the wall.

•When installing the room temperature controller, the base plate must first be fitted

and wired. Then, the unit is engaged at the top, swung downward and secured with a

screw.

•For more detailed information, please refer to the installation instructions supplied

with the controller.

•For the electrical installation, the local safety regulations and standards must be

complied with.

•The control characteristics can be changed with the help 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 89/336/EEC

low voltage directive 73/23/EEC

Switching capacity of relays

Voltage AC 24…250 V

Current 8 (3.5) A

Measuring element NTC 68 kΩat 25 °C

Measuring range 0…40 °C

Time constant 2 min max.

Set point setting range

Normal temperature 3…29 °C

Economy temperature 3…29 °C

Resolution of analogue time switches

24-hour time switch 15 min

Weekly time switch 60 min

Set point for frost protection 5 °C

Insulation class

to EN 60730-1 II

Degree of protection

to EN 60529 IP 30

Electromagnetic compatibility

Immunity EN 50082-2

Emissions EN 50081-1

Perm. ambient temperature

Operation 3…35 °C

Storage -25…+60 °C

Perm. ambient humidity

to DIN 40040 G

Weight 0.2 kg

Colour White

RAL 9003

Notes

Engineering

Fitting and installation

Commissioning

Technical Data

CE1N2226E / 01.02.2000 Siemens Building Technologies

6/8 Landis & Staefa Division

Y1 M1

AC 230 V

AC 24...250 V

2226A01

T1 T2

LLx

NNx

L Live, AC 230 V Nx Neutral AC 24...250 V

Lx Live, AC 24...250 V N1 RAV12.. controller

L1 N.O. contact, AC 24…250 V /

8 (3.5) A S1

T1 Remote operating unit (potential-free)

Signal "remote operation"

L2 N.C. contact AC 24...250 V T2 Signal "remote operation"

M1 Circulating pump Y1 Regulating unit

N Neutral AC 230 V

TF1

2222S01

2222S02

T T

Instantaneous water heater) Atmospheric gas burner

2222S03

Circulating pump with pre-control by manual mixing valve

F1 Thermal reset limit thermostat N1 RAV12.. room temperature controller

F2 Manual reset safety limit thermostat Y1 Manually operated three-port valve

M1 Circulating pump Y2 Solenoid valve

Connection diagram

Application

examples

Siemens Building Technologies CE1N2226E / 01.02.2000

Landis & Staefa Division 7/8

138

104

2226M01

2226M02

Dimensions

CE1N2226E / 01.02.2000 Siemens Building Technologies

8/8 Landis & Staefa Division

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