Handleiding EBERLE INSTAT 868-r1o (pagina 2 van 4) (Duits, Engels, Frans)

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Installation and

Operating Instructions

Radio Thermostat

INSTAT 868-r1o / -r1h

U 468 931 003 364-1

╞

1 Application

2 Features

3 Function description

3.1 Control mode

3.2 Function of indicator lamp

3.3 Battery change

4 Installation

5 Commissioning

5.1 Performance testing

5.2 Replacement of a receiver without re-learning

of transmitters

6 Technical data

7 Short form operating instructions

8 Application examples

9 Dimensions

Subject to change without notice

Note:

In some rare cases it may not be possible to esta-

blish a permanent radio link between the radio

transmitter and the radio receiver.

We therefore recommend that the reliability in ope-

ration at the specific location should be checked.

In order to establish bigger transmission distances

(up to 90m) or in case of critical locations, the RF

repeater INSTAT 868-rep can be used.

1 Application

The electronic INSTAT 868-r1… room temperature con-

troller (radio transmitter) may be used to control the

room temperature see fig 8.:

It is designed to provide control for

• oil and gas hot-water heating systems

• actuators for radiator heating

• electric floor or direct heating

• circulating pumps

An INSTAT 868-a…radio receiver is required for oper-

ation.

2 Features

• No controller wiring-up required

• Very simple operation by means of adjustment knob

• a transmitter can control any number of receivers

• self-learning address setting

• Easy replacement of a receiver without re-learning of

transmitters

• transmitter suitable for all INSTAT 868-a… receivers

• power supply via 2 commercially available batteries

• Housing: pure white in the new EBERLE 2000 design

3 Function description

The INSTAT 868-r1… room temperature controller de-

tects an actuating signal independently of a variable set

temperature. This signal is transferred to a radio recei-

ver by radio data transmission (INSTAT 868-a…). The fi-

nal control elements for heating and cooling applicati-

ons are switched by means of this receiver (230 V). The-

re are plans to use the transmitting frequency used all

over Europe for that type of application.

The transmitting power is very low. It is far below the po-

wer of a mobile telephone. Moreover, the transmitter is

activated only every 10 min.

The transmission quality is enhanced by employing spe-

cial test procedures and repeating transmissions. Trans-

mitter and receiver are tuned to each other by making

use of the “learning mode”.

3.1 Control mode

Fuzzy mode with PWM:

This mode is very similar to a continuous-action control.

It is particularly suitable for electrothermal actuators, el-

ectric heaters and pumps.

The controlled variable calculated from the difference

between set and actual temperature is displayed as a va-

riable pulse-pause-ratio (pulse width modulation =

PWM).

The sum of pulse and pause times is constant and equals

10 min. In the case of larger temperature differentials,

the controller switches permanently on or off.

The control algorithm used attempts to keep the room

Pulse-Pause-Ratio

Behaviour of Puls-Pause-Ratio

according to Temperature

100%

continuously on

control value

continuously off

Output signal

10 min 10 min 10 min 10 min

Setpoint Temperature

temperature constant without taking account of the

switching differential. For that purpose it is necessary

that heat be called (however, to a lesser extent) even if

the set temperature has already been reached.

3.2 Function of indicator lamp

The following functions are indicated by means of this

lamp:

Learning mode is lit during the learning mode

Battery weak short flash every 15 sec.

After reset short flash

(sign of proper functioning)

3.3 Battery change

If the indicator lamp lights up briefly every 15 sec., the

batteries must be changed within the next few days (un-

der the hinged lid).

Observe correct polarity.

Please use the type of battery specified under section 6.

“Technical data”. The quality of the battery determines

its life.

Following a replacement of batteries, the controller will

continue to operate.

4 Installation

The temperature sensor can be arranged within the

room where it is considered best by the user. However,

for perfect temperature control it is reasonable to ar-

range the sensor at a position which:

– is easily accessible for operation

– is free from curtains, cupboards, shelves etc.

– enables free air circulation

– is free from direct sun radiation

– is free from draughts (e.g. opening of windows and

doors)

– is not affected directly by the source of heat

– is not located on an external wall

– is located approx. 1,5 m above floor level

– permits safe radio transmission

– is not in the vicinity of e. g. a radio receiver, a tele-

vision set or a radio transmitter

– is not in the vicinity of metal parts e. g. metal doors,

metal cupboards, mirrors or steelreinforced con-

crete

– if unsure, check radio transmission before installa-

tion (see receiver instructions, section “Radio ran-

ge test”), look for suitable position if necessary.

Installation is to be carried out in the following

sequence:

• remove temperature adjustment knob

• loosen retaining screw

• remove housing top

5 Commissioning

Upon installation, a connection must be made between

controller (transmitter) and receiver. For application ex-

amples, see receiver instructions.

To do so, proceed as follows:

1. Activate “learning mode” on the receiver (see there).

2. Activate “learning mode” on the transmitter as follo-

ws (below lid):

a) Hold the ì-button depressed.

b) Briefly press the reset button.

c) When the indicator lamp lights up, release the ì-

button. When the connection has been succes-

sfully made, the indicator lamp automatically ex-

tinguishes (after approx. <1 min.).

d) Press the reset button on the transmitter. This

will terminate the “learning mode” and the indi-

cator lamp will extinguish.

Note:

Activating learning mode will create a new address, all

revceivers linked to that transmitter need to be re-lear-

ned. Easy replacement of a receiver see 5.2

The transmitter exits the learning mode after 10 min.

5.1 Performance testing

After pressing the reset button, the transmitter changes

to testing mode for 15 sec. If the link is corect, the lamp

on the receiver will blink.

In the case of inexplicable malfunctions, the reset but-

ton should be pressed.

Manual activation of receiver output

Switching on:

Set a temperature of 30°C, wait approx. 30 sec.

Switching off:

Set a temperature of 5°C, wait approx. 30 sec.

5.2 Replacement of a receiver without re-learning

of transmitters

The method described here offers the benefit, that the

actually used address will be continued to be used.

Only the replaced receiver needs to be re-learned.

To do so, proceed as follows:

1. Activate “learning mode” on the receiver (see there).

2. Activate “learning mode” on the transmitter as follo-

ws (below lid):

a) Hold ì button depressed for > 8 Sec.

b) When the indicator lamp lights up, release the button.

When the connection has been successfully made, the

indicator lamp automatically extinguishes (after <1

min.).

c) Press the reset button on the transmitter. This will

terminate the “learning mode” and the indicator

lamp will extinguish.

6 Technical data

Order No. INSTAT 868-r1o / INSTAT 868-r1h

EDP No. 0536 11… / 0536 12...

Temperature setting range

INSTAT 868-r1o 5…30°C

INSTAT 868-r1h 17…24°C

Operating voltage battery: 2 microcells

alkaline (LR03), 2 x 1,5 V = 3 V

Battery lifetime approx. 3 years

Control mode fuzzy logic with PWM

PWM cycle time approx. 10 min.

(sum of on and off times)

Measurement interval approx. 10 min.

Indicator lamp see 3.2

Function of indicator lamp

Temperature sensor in the controller

Carrier frequency 868,95 MHz

Modulation mode FM

Antenna internal

Transmission interval <10 min.

(radio data transmision several times)

Typical range is 100 m free air or

1 ceilings or 3 walls respectively

Degree of protection IP 30 (moisture

provided by enclosure condensation not permitted)

Class of protection III

Software class A

Degree of pollution 2

Operating temperature –25…40°C

Storage temperature –25…70°C

Range narrowing in adjustment knob

Weight (without battery) approx. 100 g

8 Application examples

Fig. 1: One transmitter controls one receiver

INSTAT 868-r1

INSTAT 868-a1

The temperature controller is now ready for

operation. When testing the radio transmissi-

on, please observe also the relevant receiver

instructions.

9 Dimensions

7 Short form operating instructions

See

Preparatory work • Insert battery

4 • Install controller

Make radio link 5 1. Hold ì button depressed

2. Briefly press reset button

3. When indicator lamp lights up, release ì button

4. When the radio link has been succesfully made,

(when the lamp went out at the receiver)

press reset button

Switch receiver output 5.1

– output ON • set a temperature of 30 °C, wait for 30 sec.

– output OFF • set a temperature of 5 °C, wait for 30 sec.

Replacement of a receiver without

re-learning of transmitters 5.2 1. Hold ì button depressed for > 8 Sec

2. When indicator lamp lights up, release button

When the radio link has been succesfully made

(When the lamp went out at the receiver).

3. Press reset button.

Check for correct operation Press reset key ➝ LED lights up briefly

➝ receiver switches 3 times shortly on

This thermostat can be used in all EU and EFTA

countries.

The manufacturer herewith declares that the

device complies with the basic requirements and

all other relevant regulations of the R&TTE

1999/5/EG directive.

The declaration of conformity can be downloa-

ded from „www.funk868MHz.de“.

EBERLE INSTAT 868-r1o Handleiding

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