Analogue remote control units FBR 1, FBR 2
Technical Information · GB
10 Edition 07.10
• It is distinguished by a timeless design which integrates seamlessly
with your living space
• Easy to fit due to removable control unit
• Easy setting of operating mode and room temperature allows immediate
use after installation
• Integrated room temperature sensor
Table of contents
Analogue remote control units FBR 1, FBR 2 ............ 1
Table of contents .................................2
1 Application.....................................3
2 Certification ....................................4
3 Functioning ....................................5
3.1 Electrical connection diagrams....................6
4 Project planning information ......................7
4.1 Electrical connection ............................7
4.2 Installation ....................................7
5 Technical data..................................8
5.1 Dimensions ...................................8
Feedback .......................................9
Contact.........................................9
FBR 1, FBR 2 · Edition 07.10 2
= To be continued
▼
1 Application
FBR 1
The FBR 1 and FBR 2 integrate well with the living space due to their
timeless design.
FBR 2
FBR 1 and FBR 2 are analogue remote control units with an
integrated room temperature sensor. The FBR 1 is directly connected to the FBR input on the K1, E8 or E25 heating controller.
The FBR2 is directly connected to the FBR input on the E8,
Merlin or Lago heating controller, see page 6 (Electrical
connection diagrams).
With the FBR 1 and FBR2 remote controls it becomes possible
to move various operating functions, such as night mode with
setback temperature, day mode with comfort temperature
or automatic mode according to time, as well as setting the
desired room temperature, from the heating controller into
the living space itself.
FBR 1, FBR 2 · Edition 07.10 3
2 Certification
EMC conditions in accordance with EN 60730-1 and
EN 60730-2-9.
The devices are in compliance with the EMC Directive and the
Low Voltage Directive.
FBR 1, FBR 2 · Edition 07.10 4
3 Functioning
rotary knob
FBR 1
selector switch
E8
E25
triple-core connecting lead
K1
Lago E8
The selector switch on the FBR can be used to select the following operating modes on a heating controller for one heating
circuit respectively:
– night mode with setback temperature,
– day mode with comfort temperature,
– automatic mode according to time program.
When the FBR 2 is in automatic mode it also provides the
option to select two time programs and summer mode with
hot water preparation while the heating circuit is switched off.
The room sensor integrated in the FBR measures the room
temperature. The rotary knob can be used to adjust the desired
room temperature within a ±5 °C range. The corresponding selector switch or rotary knob positions, as well as the
measured room temperature, are transmitted to the heating
controller via a triple-core connecting lead.
selector switch
E8
FBR 2
rotary knob
triple-core connecting lead
Lago E8,
Merlin
Lago 0321,
Lago 0101/1001
FBR 1, FBR 2 · Edition 07.10 5
Functioning
321
FBR 1
K1
10987654321
20191817161514131211
321
FBR 1
E25
10987654321
20191817161514131211
321
FBR 1/FBR 2
321
E8
54321
10
987654321 21
II VI IV
1
23456789101234 123 12 12 12
IX III VIII VIVII
FBR 1/FBR 2
321
FBR 2
Merlin
12345678910
11
1213
141516171819
GND
38373635343332313029
28
2726
252423222120
321
FBR 2
321
FBR 2
Lago
11121314151617181920
21
22
109876543
2
1
3.1 Electrical connection diagrams
FBR 1 with K1
FBR 1 with E25
FBR 1 and/or FBR 2 with E8 and Lago E8
FBR 2 with Merlin
FBR 2 with Lago 0321 and Lago 0101/1001
FBR 1, FBR 2 · Edition 07.10 6
4 Project planning information
4.1 Electrical connection
Terminal for triple-core connecting lead on FBR base, see page
6 (Electrical connection diagrams).
FBR 2
A three-pole Rast 5 plug with screw terminals for connection to
an E8 heating controller or Lago E8 is included with the FBR 2.
Connecting lead
The ohmic resistance of the connecting lead affects the desired
value adjustment and the room temperature measurement.
Example FBR 1: A connecting lead with ∅0.25mm2 (telephone
line) and a length of 10 m causes the desired room temperature
to increase by 0.2 °C and the room temperature measurement
to increase by 0.5 °C.
Example FBR 2: A connecting lead with ∅0.25mm2 (telephone
line) and a length of 10 m causes the desired room temperature
to increase by 0.02 °C and the room temperature measurement to decrease by 0.01 °C.
4.2 Installation
The remote control unit should be fitted in the reference / main
living room of the respective heating circuit for best heating
performance.
With activated room sensor influence on the heating controller,
the radiators and any other devices that give off heat should
be as far removed from the FBR as possible. The FBR should
be fitted to an interior wall in an area not affected by draught
or direct sunlight.
FBR 1, FBR 2 · Edition 07.10 7
5 Technical data
88 mm
86 mm
31 mm
61 mm
29,5 mm
82 mm
58 mm
Protection class: IP40 according to EN 60529.
Protection class: III according to EN 60730.
Ambient temperature:
During operation: 0 to 50°C,
in storage: -20 to 60 °C.
Permissible relative humidity: 95% RH, not condensing.
Room sensor:
FBR 1: 1 kΩ PTC measurement resistor,
FBR 2: 5 kΩ NTC measurement resistor.
5.1 Dimensions
Base
FBR 1, FBR 2 · Edition 07.10 8
Feedback
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✔
Kromschröder AG
Michael Rehkamp
m.rehkamp@kromschroeder.com
Osnabrüc
k
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Contact
Elster GmbH
Postfach 2809 · 49018 Osnabrück
Strotheweg 1 · 49504 Lotte (Büren)
Germany
T +49 541 1214-0
F +49 541 1214-370
info@kromschroeder.com
www.kromschroeder.com
FBR 1, FBR 2 · Edition 07.10
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The current addresses of our international agents are
available on the Internet:
www.kromschroeder.de/index.php?id=718&L=1
We reserve the right to make technical modifications
in the interests of progress.
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