Siemens REA23.03RF Bedienungsanleitung

2218

REA23.03RF REA-R.03/1

REA23R/ST

Self-learning room

temperature controller REA23.03RF

Receiver REA-R.03/1

Consisting of controller (with integrated radio transmitter) and receiver

(switching unit with relay outputs)

•Mains-independent room temperature controller

•Straightforward, self-explanatory menu selection via setting knob

•Self-learning 2-position controller providing PID mode (patented)

•Choice of operating modes:

Automatic with maximum 3 heating or cooling periods, continuous comfort, continu-

ous economy, frost or overheat protection with one 24-hour operating mode including

one heating or cooling period

•In automatic mode, one temperature setpoint can be entered for each heating or

cooling period

•Optional control of cooling equipment

•Advantageous for retrofitting and upgrading projects

(wireless room unit)

Use

For control of the room temperature in:

•Apartments, single-family or holiday houses

•Offices, individual rooms, consulting rooms or commercially used spaces

For control of the following pieces of equipment:

•Solenoid valves of instantaneous water heaters

CE1N2218en

17.04.2007

Building Technologies

HVAC Products

•Solenoid valves of atmospheric gas burners

•Forced draft gas or oil burners

•Circulating pumps of heating systems, zone valves

•Electric direct heating systems or fans of electric storage heaters

•Thermal actuators

•Cooling and refrigeration equipment

Functions

•Radio signal transmission

•PID control with self-learning or selectable switching cycle

•2-position control

•Automatic mode with 7-day switching program for 24-hour, working day, weekend or

7-day operation with up to 3 heating or cooling periods per day

•Each heating or cooling period has its own temperature setpoint

•One 24-hour operating mode with one heating or cooling period

•Override button

•Sensor calibration and reset function

•Frost protection or overtemperature protection

•Limitation of the minimum setpoint

•Holiday mode

•Heating or cooling mode

•Periodic pump run

•Optimum start control with the first heating period

Type summary

Radio signal equipment consisting of:

Room temperature controller (transmitter), receiver (switching unit)

and support REA23R/ST

Room temperature controller (transmitter) and support REA23.03RF

Receiver (switching unit) REA-R.03/1

Ordering

When ordering, please give the type references according to «Type summary».

The controller / transmitter REA23.03RF is supplied complete with batteries.

Technical design

Display and

operating elements

ESC OK

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Operating elements

Selection of operating mode (see below)

«Warmer» button

«Colder» button

Override button (see below)

ESC

Leaving the current menu level and returning to the menu

level previously active (settings currently displayed will be

accepted)

The rotary knob is only operable within the menus.

Move from menu to menu, modify adjustable variables (tem-

perature in increments of 0.2°C and time in hours and minutes)

and select functions.

Access the menus, enable a menu, save inputs, switch to the

next menu item and acknowledge with the OK button.

Displays

Time of day

° C Room temperature

Change batteries (display appears about 3 months before bat-

teries are exhausted)

Holiday mode active

Selection of operating mode (only one operating mode active)

Automatic mode

Comfort mode

Economy mode

Frost protection or overheat protection

Special day (24-hour mode with one heating or cooling phase.

The switch-on and switch-off time and the setpoint for the pha-

se are set manually).

Temporary change of the current setpoint temperature

(change only active until the next switching point is reached)

° C

Press the + or – button once to display the adjusted tempera-

ture setpoint. It can be readjusted in increments of 0.2 °C (max.

+/- 4 °C)

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Override button

In operating modes and , this button can be used to manually switch

from comfort to economy temperature, or vice versa. The selection is automati-

cally reset when the next switching point is reached or when the operating

mode is changed

Menu-driven user settings: 4 main menus are available

Time of day and weekday Main menu Submenu Settings

hCurrent time

ESC

Current weekday

Temperature Main menu Submenu Default settings – heating / cooling

T Setpoint of comfort mode 19 °C 23 °C

ESC

Setpoint of economy mode 16 °C 29 °C

Setpoint frost or

overtemperature protection 5 °C 35 °C

Setpoint remote operation is

not used with this unit (10 °C) (30 °C)

Time switch Main menu Submenu Settings

Selection of weekday, working day,

weekend or week

ESC

Selection of the number of heating

or cooling periods (max. 3 periods

per day)

Selection of the heating / cooling period’s start and end time

° C

Selection of the heating / cooling period temperature setpoint

Absence Main menu Submenu

ESC

Entry of holidays or periods of absence. Number of

days with economy mode setting / max. 99 days

Temperature setpoint during absence.

Default setting is 12 °C for heating and 30 °C for

cooling

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Menu-driven heating

engineer settings Menu items Settings

CAL Sensor calibration

Setpoint limitation

ESC

Optimum start control for the first heating period

(in unit of time per 1 °C)

2-position control

PID mode, self-learning

PID mode, switching cycle 6 or 12 minutes

/Periodic pump run off / on

Heating / cooling mode

Temperature

setpoints In automatic operating modes, the temperature setpoints can be individually adjusted

for every comfort period and for the continuous operating modes. The temperature

setpoint of economy mode is the same in automatic and continuous operation.

Protective function

In frost or overtemperature protection mode, the room temperature is constantly moni-

tored. If it falls (rises) below (above) the adjusted setpoint, control to the adjusted frost

or overtemperature protection setpoint will be ensured.

The "special" day is a 24-hour exception mode with one heating or cooling phase. The

switch-on and switch-off time and the setpoint for the (heating or cooling) phase are set

manually.

The settings for the "special" day (exception) are not linked to any particular day, and

remain in memory until you modify these settings yourself. You can then select this

preset special day operating mode quickly and easily with the operating-mode selector

button . It will remain active until another operating mode is selected.

Special day

Switching program

The switching program can be used as a 7-day or 24-hour program, depending on

programming. It is also possible to select one of the continuous operating modes

with which the switching program is not used.

With the 7-day program, all individual days, working days (1-5), weekend (6-7), or the

entire week (1-7) can be programmed.

For each heating / cooling period, 3 different switching patterns are available.

There is a choice of 1, 2 or 3 heating / cooling periods. For each heating / cooling pe-

riod, the start time, end time and comfort setpoint are to be entered.

In between heating / cooling periods, the same economy temperature setpoint is al-

ways used. This economy temperature setpoint can be adjusted on the temperature

menu.

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2261Z02

°C

08 10 18 22 h

Heizphase 1

Heizphase 2

Example with 2 heating

periods per day

Holiday function

The holiday function is to be selected on the user menu. Set the start of the holiday

period (day of departure / /weekday), the duration of the holiday period and

the temperature setpoint ( ). This will enable the controller to maintain the adjusted

temperature for a period of up to 99 days. Every day at midnight, the counter subtracts

one day.

When the holiday period is over, the counter reads 00, and the controller will automati-

cally resume the operating mode selected last.

Remote operation

To be flexible, the REA23.03RF has no connection facility for remote operation.

Factory settings

Switching times Temperatures in ° C

1st

period

2nd

period

3rd

period

Oper-

ating

mode

Block /

week-

days 1st period 2nd period 3rd period

Auto

1-5

Mo-Fr

6-7

Sa-Su

06:00

07:00

08:00

23:00

11:00

13:00

17:00

22:00

1-7

Mo-Su 00:00 24:00 19 23

1-7

Mo-Su 00:00 24:00 16 29

1-7

Mo-Su 00:00 24:00 5 35

1-7

Mo-Su 07:00 23:00 19 23

Absence 12 30

Setpoint limitation

Factory settings

Heating engineer level Control mode 2-Point control

Optimum start control OFF

Periodic pump run OFF

Heating active

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Heating engineer level

Access The heating engineer level will be enabled by pressing simultaneously the warmer and

colder buttons and by turning the setting knob counter-clockwise and then clockwise.

Sensor calibration

CAL

If the displayed temperature does not agree with the room temperature effectively

measured, the temperature sensor can be recalibrated (recalibration to be made on the

heating engineer level.)

The displayed temperature can be matched to the effective room temperature in incre-

ments of 0.2 °C (max. ± 2 °C).

Setpoint limitation

Minimum setpoint limitation to 16 °C prevents undesired heat transfer to neighboring

apartments in buildings with several heating zones. The setting is to be made on the

heating engineer menu.

Optimum start control

Optimization brings forward the switch-on point of the first heating period such that the

adjusted setpoint will be reached at the required time.

The setting depends on the type of controlled system, that is, on heat transmission

(type of piping system, radiators), building dynamics (building mass, insulation), and

heat output (boiler capacity, flow temperature).

Optimum start control is switched off at

Example using an actual

room temperature of 18 °C

and a setpoint of 20 °C

- 4 - 2

2264D03

- 3

1/4h/°C

1/2h/°C

1h/°C Start

- 2 - 1 - ½

- 1½

- 1 - ½ - ¼

- ¾

Pon

°C

- 1 h

TRx

1st heating period

(slow controlled system)

(medium controlled system)

(fast controlled system)

(no impact)

Optimum start controll Off

T Temperature (°C) TRxActual valve of room temperature

t Forward shift of switch-on point (h) Pon Starting point of optimum start control

Control REA23.03RF is a 2-position controller providing PID mode. The room temperature is

controlled by the cyclic switching of an actuating device.

The controller generates the positioning signals depending on the deviation of the set-

point from the actual value acquired by the built-in temperature sensor.

The rate of response to the deviation depends on the selected control algorithm:

Self-learning mode If self-learning operating mode is active, the controller automatically adapts to the con-

trolled system (type of building construction, heating capacity, type of heaters, room

size etc.). After a learning period, the controller self-optimizes the parameters and then

operates in accordance with the newly learned parameters.

PID 12 mode Switching cycle of 12 minutes for normal or slow controlled systems

(massive building structures, large spaces, cast-iron radiators, oil

burners).

PID 6 mode Switching cycle of 6 minutes for fast controlled systems (light building

structures, small spaces, plate radiators or convectors, gas burners).

2-Pt mode The (factory-set) default mode is 2-Pt mode: simple on/off controller

with a switching differential of 0.5+°C (±0.25 °C) for very difficult con-

trolled systems with large fluctuations in the outdoor temperature.

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Periodic pump run

Protects the pump against seizing during longer off periods. Periodic pump run is acti-

vated for one minute every 24 hours at midnight. This function can be selected on the

heating engineer menu.

Periodic pump run active: / periodic pump run inactive:

Operating mode

Heating / cooling

The controller is suited for cooling applications.

The function can be selected on the heating engineer menu.

The controller comes set for heating operation (refer to section «Factory settings»).

User-defined data:

Press the button behind the pin opening for at least one second: This resets the user-

specific settings to their default values (heating engineer settings will not be changed).

The clock starts at 12:00. During the reset time, all sections of the display are lit, ena-

bling them to be checked.

All user-defined data plus the heating engineer settings:

Press the button behind the pin opening together with the warmer and colder buttons

for at least one second.

After the reset, all factory settings will be reloaded (also refer to section «Factory

settings»).

Mechanical design

Controller The REA23.03RF has a plastic housing with a large display and easily accessible op-

erating elements. The controller is removed from its base by sliding it upward. It is thus

possible to replace the two type AA 1.5 V alkaline batteries contained in the compart-

ment at the rear of the controller.

About 3 months before the batteries are exhausted, battery symbol appears on

the display, but all functions are fully maintained. When replacing the batteries, the

current data will be retained for a maximum of one minute.

Battery change

Receiver

REA-R.03/1 Plastic housing with easily accessible operating elements and removable cover. The

unit can be fitted to all commercially available recessed conduit boxes or directly on the

wall. A relay with a potential free changeover contact, the connection terminals and the

receiving antenna are integrated in the housing.

Base The base can be fitted to most types of commercially available recessed conduit boxes

or directly on the wall.

Support The support supplied with the controller enables the unit to be put on a shelf. It can be

easily fitted to the controller with no need for tools.

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Note

•The room unit should be located in the main living room (on the wall or free-standing

using the support provided) while giving consideration to the following points:

Planning

controller / transmitter

REA23.03RF •The distance to the receiver should not exceed 20 m or 2 floors

•The unit should be located such that the sensor is able to capture the room tempera-

ture as accurately as possible, without getting affected by direct solar radiation or

other heat or refrigeration sources (in the case of wall mounting, about 1.5 m above

the floor)

•The unit should be located such that it can transmit signals with as little interference

as possible. For this reason, the following points should be observed:

−Do not mount the unit on metal surfaces

−Not in the vicinity of electrical cables and equipment such as PCs, TV sets, mi-

crowave appliances, etc.

−Not in the vicinity of large metal structures or construction elements with fine

metal meshes like special glass or special concrete

•The control mode can be changed via the menu-driven heating engineer settings.

•If the room temperature displayed does not agree with the room temperature effec-

tively measured, the temperature sensor should be recalibrated (refer to «Calibration

of sensors»).

Wall mounting of

controller / transmitter

REA23.03RF

•In the case of wall mounting, ensure that there is sufficient clearance for removing the

controller from its base, and for replacing it

First, fit the base. Then, engage the controller from the top. The base can be fitted to

most commercially available recessed conduit boxes or directly on the wall

min.

10 cm

2261Z03

Support of

REA23.03RF

•Refer to the Installation Instructions printed on the package.

Planning

Receiver

REA-R.03/1

•The receiver and switching unit should preferably be mounted near the controlled

device

•The unit should be located such that it can receive signals with as little interference

as possible. For this reason, the following points should be observed (same as with

the transmitter):

−Not in control panels

−Not on metal surfaces

−Not in the vicinity of electrical cables and equipment such as PCs, TV sets, mi-

crowave appliances, etc.

−Not in the vicinity of large metal structures or construction elements with fine

metal meshes like special glass or special concrete

•The location where the unit is mounted should be dry and free from splash water

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

rectly on the wall

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The receiver must be wired with the power supply switched off.

Mains voltage may be switched on again only after the unit is completely

mounted.

Mounting and

installation of receiver

REA-R.03/1

•When mounting the unit, the base must first be fitted and wired (L/N = AC 230 V

mains supply, LX/L1 = consumers). Then, engage the unit at the top, swing it down-

ward and secure it with a screw

•For more detailed information, refer to the Installation Instructions supplied with the

unit

For the electrical installation, the local safety regulations must be complied with.

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Building Technologies Room temperature controller REA23.03RF CE1N2218en

LED_1 (green / red):

Indication for

- Signal strength

- Receiver linked to

cotroller/transmitter

Commissioning

controller/transmitter

REA23.03RF

and receiver

REA-R.03/1

LED_2 (orange):

Indication for

- Learning mode

- Telegram reception

- Status of relais contact

Override button and

test telegram

SET button

ESC button and

learnin

tele

ram RESET button

1. Switch on

REA23.03RF

•Remove the battery transit tab: As soon as the battery transit tab is removed, the

unit starts to operate.

2. Mount REA-R.03/1

temporarily

•If possible, mount receiver temporarily in a first run (e.g. double coated tape). Doing

that, location of best RF reception can be identified later on. See clause “5 Find lo-

cation of best reception“

•Completely wire and mount REA-R.03/1 temporarily (please also close front cover)

a) Switch on power at REA-R.03/1: LED_1 lights always in red or flashes in red

3. Link REA-R.03/1

with REA23.03RF b) Press the "RESET“ button on REA-R.03/1 for about 4 seconds: The orange LED_2

will flash very fast and briefly (stored address of REA23.03RF will be erased)

c) Press the "SET“ button (set / learn) for about 3 sec. until the orange LED_2 starts

flashing slowly and continuously: Receiver is now in learning mode

d) The receiver stays max. 25 minutes in learning mode. If no learning telegram from

REA23.03RF is received during that period of time, repeat steps b) and c) again

e) Press the ESC button on REA23.03RF for about 4 seconds. Learning telegram is

transmitted

f) If REA-R.03/1 receives learning telegram, the orange LED_2 flashes fast and

briefly

g) If the orange LED_2 is steady on, the relay is energized (= controlled device ON)

h) If the orange LED_2 is dark, the relay is de-energized (= controlled device OFF)

i) Depending on the operating state, REA23.03RF repeats the ON or OFF control

telegram every 3 minutes. With this the relay will be switched ON or OFF according

to control telegram latest after 3 minutes

j) If REA-R.03/1 does not receive any correct control telegram within 60 minutes,

controlled device is being switched off and LED_1 flashes in red

k) In the event of a power failure at the REA-R.03/1, the relay will be de-energized.

HVAC Products 17.04.2007

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