Conrad Electronic FS20 SR Manuel utilisateur

Version 12/06
OPERATING INSTRUCTIONS
Wireless rain sensor
„FS20 SR“
Item no. 62 30 18

2
Introduction
Dear customer,
Thank you for purchasing this product.
This product meets the requirements of both current European and national guidelines.
In order to preserve this condition and ensure the safe operation of the product we kindly ask
you to carefully follow these operating instructions!
Please read the operating instructions completely and observe the safety and operation notes
before using the product!
All company names and product names contained herein are trademarks of the
respective owners. All rights reserved.
Should you have any further questions, please contact our technical advisory service:
Germany: Tel. no.: +49 9604 / 40 88 80
Fax. no.: +49 9604 / 40 88 48
e-mail: [email protected]
Mon. to Thur. 8.00am to 4.30pm
Fri. 8.00am to 2.00pm

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Table of contents
Page
1. Prescribed use ............................................................................................................. 4
2. Scope of delivery ......................................................................................................... 5
3. Explanation of icons ................................................................................................... 5
4. Safety instructions ...................................................................................................... 6
5. System features ........................................................................................................... 7
a) Functions ................................................................................................................ 7
b) Factory setting ........................................................................................................ 8
6. Installation .................................................................................................................... 9
a) General information ................................................................................................ 9
b) Orientation of the rain sensor ................................................................................ 9
c) Opening the casing .............................................................................................. 10
d) Connections and controls .................................................................................... 10
e) Power supply ........................................................................................................ 11
f) Connecting the relay ............................................................................................ 12
g) Installation ............................................................................................................. 13
7. Initial operation .......................................................................................................... 14
a) Quick installation with factory settings ................................................................ 14
b) Function test ......................................................................................................... 14
8. The FS20 address system ........................................................................................ 15
9. Programming/operation ........................................................................................... 20
a) Integrating the ‘FS20 SR’ into the address system ............................................ 20
b) Setting the house code ........................................................................................ 21
c) Setting the addresses ........................................................................................... 22
d) Manual switching, address transmission ............................................................. 23
e) Activating/deactivating channels ......................................................................... 23
f) Setting the transmit command ............................................................................. 24
g) Setting the on-time ............................................................................................... 25
h) Setting the interval time ........................................................................................ 26
i) Restoring the rain sensor’s factory settings ........................................................ 27
j) Programming the receiver’s timer ........................................................................ 28

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Page
10. Information on the range .......................................................................................... 29
11. Handling ...................................................................................................................... 30
12. Cleaning ...................................................................................................................... 30
13. Disposal ...................................................................................................................... 31
14. Technical specifications .......................................................................................... 31
15. Declaration of conformity (DOC) ............................................................................. 31
1. Prescribed use
The sole purpose of the ‘FS20 SR’ wireless rain sensor is to remotely control the various
components of the FS20 wireless control system.
It can remotely control these devices on 2 channels (adjustable settings).
In addition, the timers of the corresponding FS20 receivers can be programmed from the rain
sensor.
Due to its form and functionality, it is suitable for use outdoors.
A DC or AC voltage of between 12-15V is required as a power supply (power consumption
approx. 200mA).
Any use other than the one described above may damage the product and can also increase
the risk of short-circuit, fire, electric shock, etc.
No part of the product may be modified or adapted and the casing must not be opened.
All the safety instructions and installation notes in this manual must be
observed without fail.

5
2. Scope of delivery
• Wireless rain sensor ‘FS20 SR’
• User manual
3. Explanation of icons
The icon with a lightning flash in a triangle is used to alert you to potential
personal injury hazards such as electric shock.
The icon with an exclamation mark in a triangle points to important instructions
in this user manual that must be observed.
The ‘hand’ symbol provides special information and advice on operating the
device.

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4. Safety instructions
The product’s guarantee becomes invalid, if the product is damaged as
a result of the failure to observe these operating instructions! We do not
assume any liability for any resulting damages!
Nor do we assume liability for damage to property or personal injury
caused by improper use or failure to observe the safety instructions. In
such cases the product’s guarantee becomes invalid.
Dear customer, the following safety instructions are intended to protect you as well as
the device. Please take time to read through the following points:
• If you are not sure how to assemble, connect and install the device or if you have doubts
about its mode of operation, contact a skilled technician.
• For safety and licensing (CE) reasons any unauthorised alterations to and/or modification
of the product are not permitted.
• When its casing is properly closed, this product is suitable for use outdoors.
• This product is not a toy and should be kept out of the reach of children.
• Do not leave packaging material lying around. This may become a dangerous plaything in
the hands of children.
• Handle the product with care; knocks, blows or even a fall from a low height can damage
it.

7
5. System features
The 2-channel wireless rain sensor ‘FS20 SR’ is a component of the FS20 wireless control
system. It can control up to 2 radio receivers in this system with separately adjustable criteria.
The high range of up to 100 m (free-field) allows the device to be used to transmit over long
distances.
The system uses the 868 MHz band.
a) Functions
The rain sensor ‘FS20 SR’ has the following functions:
• Registers start of rain and transmits relevant switching commands as long as the rain lasts.
• Additional relay switching output (low-voltage switching relay with 1 x normally closed
contact & 1 x normally open contact, max. 5A at max. 30V~ or 42V=)
• Integrated sensor heating for fast drying of the sensor surface and suppression of false
positives due to, for instance, fog or other kinds of condensation.
• Wall or floor installation using universal installation bracket
• Integration in the code and addressing system of the FS20 wireless control system
facilitates a clear boundary from adjacently running systems as well as, for instance, the
control of several specific receivers
• Two switching channels with separately adjustable criteria
- Each channel may be activated/deactivated separately
- On-time adjustable between 0.25 seconds and 4.25 hours
- Selectable receiver switching pattern (transmit command)
- Transmission intervals of subsequent signals of the rain sensor
adjustable
- Receiver timer programming (1 second to 4.5 hours)
including slow-on/slow-off function for dimming
- Manual switching of the receiver using the control buttons on the ‘FS20 SR’
(for testing, for instance)

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b) Factory setting
The rain sensor ‘FS20 SR’ is immediately ready for use from the factory on channel 1 with the
following settings:
•On-time of the receiver after rain starts:
1 minute, after which the load is switched off (transmit command)
• If more rain is registered during this minute, a new power-on command is transmitted every
24 seconds, thereby restarting the 1-minute on-time (interval time/transmission inter-
val)
• Channel 2 is inactive (OFF)
The terms printed here in bold are the adjustment criteria for each channel,
whose programming is described separately in the following user manual.

9
FS20 SR
6. Installation
a) General information
• The device must be installed at a location where precipitation can fall directly onto the
sensor surface (free path to the sky), for instance on a wall with no roof overhang or on a
freestanding support.
• The rain sensor must be installed in such a way that it does not collect dirt (for instance by
being too close to the ground). In order to be able to clean its surface easily, the sensor
should be installed somewhere where it is accessible. At the same time, the rain sensor/
cable must be out of the reach of children and animals.
• Make sure that the rain sensor is not installed directly on or near large metal objects as this
will reduce its wireless range.
b) Orientation of the rain sensor
The rain sensor is supplied with an installation bracket that allows for installation on horizontal
as well as vertical surfaces.
The inscription ‘FS20 SR’ must always be on the underside and the cable
bushing must always point to the right. See figure 1.
top
Sensor surface Sensor surface
Figure 1

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c) Opening the casing
Use a suitable screwdriver to loosen the four screws in the corners of the top side of the rain
sensor.
Then carefully remove the cover of the casing.
The cables between the sensor and the circuit board are permanently wired.
d) Connections and controls
Figure 2
1 Holes for fastening onto the installation bracket.
2 Transmitter module
3 Keypad
4 LED
5 Plug jumpers
6 Relay contacts
7 Connection for operating voltage
TA1 TA2
TA3 TA4
JP2 JP1
ON
OFF
1
2
3
12-15V ~/=
KL2
KL1
1
2
3
4
5
67
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