Jung BTS01 Manuale dell'operatore
Art. No. BTS01
Table of Contents
Product definition1 3.................................................................................................................
Product catalogue1.1 3...........................................................................................................
Function1.2 3..........................................................................................................................
Mounting, electrical connection and operation2 4.................................................................
Safety instructions2.1 4...........................................................................................................
Device components2.2 5........................................................................................................
Parts2.2.1 5........................................................................................................................
Dimensions (mm)2.2.2 6....................................................................................................
Fitting and electrical connection2.3 7......................................................................................
Commissioning and function2.4 9...........................................................................................
Obvious misuse2.5 10............................................................................................................
Technical data3 11....................................................................................................................
Application examples4 12........................................................................................................
Example "valve drive (motor-operated) with controller"4.1 12................................................
Example: "KNX pushbutton interface"4.2 14..........................................................................
Appendix5 16.............................................................................................................................
Index5.1 16.............................................................................................................................
Product documentation
Page 2 of 17
Art. No. BTS01
1 Product definition
1.1 Product catalogue
Product name: Condensation sensor
Use: Sensor
Design: SM
Art. No. BTS01
1.2 Function
General
The device serves to detect unwanted condensation, in particular on coolant lines in residential
or functional buildings. For example, condensed water can run down coolant lines or drip from
cooling ceilings to the false ceiling and cause damage to it. If condensation is detected early,
damage can be kept minor.
The device is fitted to the pipe that is to be monitored and, in combination with an appropriate
KNX evaluation unit, it is a convenient and smart solution to detect condensation. The
evaluation unit evaluates the signals of the device and transmits the appropriate telegrams to
the KNX. KNX pushbutton interfaces or similar binary inputs can be suitable evaluation units.
iThe device is a conventional sensor that is operated on an evaluation unit (e.g. KNX valve
drive (motor-operated) with controller).
Application examples
In cooling ceilings:
- On coolant lines
Page 3 of 17
Product definition
Art. No. BTS01
2 Mounting, electrical connection and operation
2.1 Safety instructions
Electrical devices may only be mounted and connected by electrically skilled
persons.
Failure to observe the instructions may cause damage to the device and result in fire and
other hazards.
Danger of electric shock. During installation and cable routing, comply with the
regulations and standards which apply for SELV circuits.
Page 4 of 17
Mounting, electrical connection and operation
Art. No. BTS01
2.2 Device components
The device consists of a unit, including connection cable. The device may not be opened.
i The device will be destroyed if it is opened.
2.2.1 Parts
Figure 1: Device components Condensation sensor
(1) Connecting cable
(2) Fixing strap
(3) Recession for fitting on ductwork with cable ties
(4) Recession for a thermally conducting pad
(5) Sensor surface
Page 5 of 17
Mounting, electrical connection and operation
Art. No. BTS01
2.2.2 Dimensions (mm)
Figure 2: Top view
Figure 3: Bottom view
Figure 4: Page view
Figure 5: Front view
Page 6 of 17
Mounting, electrical connection and operation
Art. No. BTS01
2.3 Fitting and electrical connection
Fitting the condensation sensor
The installation location should be the position that is most likely to have condensation. That
can be the coldest spot within a pipeline circuit.
iFor proper function, the sensor surface must be ventilated so that condensation can form
on it.
iWhen fitted in the vicinity of mixer valves, place the device on the colder inflow.
Precondition: an appropriate fitting site
oClean the outer surface of the pipe.
Remove any existing remaining paint.
oRemove the protective film from the enclosed thermally conducting pad.
oPut the self-sticking thermally conducting pad in the recession for the thermally conducting
pad and slightly press on.
Result: The thermally conducting pad adheres to the recession on the bottom side of the
device.
oPlace the bottom side of the device directly on the pipe that is to be monitored.
oFit the device to the pipe with the accompanying cable ties.
oFit the connecting cable, e.g. with nail clamps.
Figure 6: Fitting the device
(6) Pipe
(7) Cable tie
(8) Thermally conducting pad
Page 7 of 17
Mounting, electrical connection and operation
Art. No. BTS01
Connecting the condensation sensor
The device is directly connected to an evaluation unit (e.g. KNX valve drive (motor-operated)
with controller) and electrically supplied by it.
Figure 7: Connecting the device
(9) Evaluation unit
oConnect the device to an evaluation unit that supplies and monitors the device.
iObserve the polarity:
Brown = +
Blue = - / GND
iReverse polarity protection protects the device from incorrect connection (Polarity from +
and - / GND). The device does not function but is not destroyed.
iThe device will be destroyed if it is connected to a voltage source that allows for a high
current (voltage)!
Page 8 of 17
Mounting, electrical connection and operation
Art. No. BTS01
2.4 Commissioning and function
Commissioning of the dew sensor
The following specification must be set in the parameters of the evaluation unit (e.g. KNX valve
drive (motor-operated) with controller):
- Debounce time: 127 ms
Function of the dew sensor
The device monitors the electrical conductivity between the conductive coatings on the sensor
surface. If it is dampened with water, the device detects the change and signals it.
The device is electrically supplied by an evaluation unit. The signaling of an alarm takes place
by short-circuiting the supply voltage. The device supplies itself internally while it is short
circuited.
When the sensor surface is moistened, the device signals an alarm (rising edge) of the
evaluation unit. An internal clock measures the time beginning at this moment. The device of the
evaluation unit signals an alarm for the duration of 1 minute. The device signals an alarm as
long as the sensor surface is moistened. Even if the sensor surface is free from liquid within the
first minute, the device still signals an alarm for one minute. After the minute is up, the device
checks to see if the sensor surface is still moistened. As soon as the sensor surface is no longer
moistened, the device cancels the alarm signal (falling edge).
The signal is recorded by the KNX device used by the evaluation unit and transmitted to the
KNX in accordance with the project design. As a rule, the polarity of the KNX telegrams can be
set in the parameters of the KNX device. In accordance with the project design, "1" telegrams or
"0" telegrams are transmitted on the KNX if there is a rising or falling edge.
The device does not function in the event of prolonged supply voltage failure. The device
automatically resumes functioning upon the return of the supply voltage.
iThe device cannot prevent the accumulation of condensation, but still detects and registers
it early, so that the impact of the unwanted condensation can be kept minor.
iThe sensor surface can be damaged if it comes into contact with aggressive media (e.g.,
detergent solutions, scrubbing brines or acidic condensation from condensing boilers). The
sensor area is to be checked after every alarm. The device is to be exchanged in the event
of significant damage from corrosion.
Page 9 of 17
Mounting, electrical connection and operation
Art. No. BTS01
2.5 Obvious misuse
The device works with the upper surface of the sensor. The lower surface of the sensor is not
active. The device is not suitable for use as a leakage sensor.
Figure 8: Example of obvious misuse of the device
Page 10 of 17
Mounting, electrical connection and operation
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