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Answers for infrastructure.
Symaro sensors for flush mounting –
innovative and energy-efficientEnergy-saving Symaro sensors for flush mounting – suited for use
with the range of DELTA switches
22
Symaro™ sensors have an extremely low energy consumption and excel through highly precise measuring
techniques as well as very fast value transmission. They thus establish a sound basis for energy- and cost-efficient
control of the entire HVAC plant.
The sensors for flush mounting are very compact and available in the design of the DELTA switches. As a result,
they fulfill the highest requirements regarding variety of color and design.
Symaro range for flush mounting –
measuring efficiently and with style
3
1
3 4
3
2
1 Worldwide for any requirement
The range for flush mounting
can be used with all types of re-
cessed conduit boxes, worldwide.
Both active and passive types
are available. The active sensors
can be configured in the output
signal ranges DC 0…5 V, 0…10 V,
0…20 mA, 4…20 mA, and
0/4…20 mA and additionally pro-
vide a freely selectable switching
contact for each measuring vari-
able. As a result, Symaro can be
perfectly adjusted to your indi-
vidual requirements.
3 The ideal sensor for every application
The flush mounting range
includes sensors that measure
one measuring variable and
comfortable multisensors that
simultaneously handle several
measuring variables. Symaro
sensors for flush mounting
measure carbon dioxide (CO2),
volatile organic gases (VOC,
mixed gas), temperature, and
humidity individually or in com-
bination – depending on your
requirements.
4 Simple and safe
The front modules of the Symaro
sensors are equipped with snap-
on catches that have been filed
as a patent. The snap-on catches
ensure easy and correct mount-
ing of the front modules onto
the base modules or with pas-
sive sensors onto the mounting
brackets respectively. The stud
for anti-theft protection has also
been filed as a patent: It prevents
unauthorized removal of the
front module.
2 Flexibility in design
In design matters, the sensors
leave nothing to be desired.
With Symaro, you benefit from
the extensive range of colors
and designs of the DELTA switch-
es. The choice is yours: from
classic frames that blend per-
fectly into any room to frames
in exclusive design. The wide
range of frames includes differ-
ent dimensions and is available
for all international standards.
This shows an active sensor. With passive sensors, a mounting bracket has to be used instead of a base module.
44
Overview module combinations
and measuring variables
Active sensors Measuring variables
Base module + Front module CO2 VOCRelative
humidity
Active
temperature
Passive
temperature
AQR2540Nx + AQR2532NNW
AQR2540Nx + AQR2533NNW
AQR2540Nx + AQR2535NNW
AQR2540Nx + AQR2534ANW LG-Ni1000
AQR2540Nx + AQR2534FNW NTC 10k
AQR2546Nx + AQR2530NNW
AQR2546Nx + AQR2532NNW
AQR2546Nx + AQR2533NNW
AQR2546Nx + AQR2535NNW 2)
AQR2546Nx + AQR2534ANW 2) LG-Ni1000
AQR2546Nx + AQR2534FNW 2) NTC 10k
AQR2547Nx + AQR2530NNW
AQR2547Nx + AQR2532NNW
AQR2547Nx + AQR2533NNW
AQR2547Nx + AQR2535NNW 2)
AQR2547Nx + AQR2534ANW 2) LG-Ni1000
AQR2547Nx + AQR2534FNW 2) NTC 10k
AQR2548Nx + AQR2530NNW 1)
AQR2548Nx + AQR2532NNW 1)
AQR2548Nx + AQR2533NNW 1)
AQR2548Nx + AQR2535NNW 1) 2)
AQR2548Nx + AQR2534ANW 1) 2) LG-Ni1000
AQR2548Nx + AQR2534FNW 1) 2) NTC 10k
Passive sensors
Mounting
bracket+ Front module
AQR2500Nx + AQR2531ANW LG-Ni1000
AQR2500Nx + AQR2531BNW Pt1000
AQR2500Nx + AQR2531FNW NTC 10k
1) Here, the indoor air quality is calculated from the CO2 and VOC measuring variables. VOC is not available as direct measuring variable.2) The measuring variable is solely available as switch output.
Replace x with:
– F for VDI (70x70 mm)
– H for British Standard (83x83 mm)
– G for Italian Standard 3 modular (110x64 mm)
– J for UL Standard 2” x 4” (64x110 mm)
Power supply: AC 24 V, DC 15…36 V
Signal range active sensor: DC 0…5 V, DC 0…10 V, DC 0…20 mA, DC 4…20 mA, and DC 0/4…20 mA
A freely selectable switching contact is available for every measuring variable.
55
Symaro sensors in DELTA switch
design for flush mounting blend
perfectly into any surroundings.
Broad range for flush mounting
in all applications
Symaro offers you a range of sensors
specially developed for flush mounting.
Besides sensors for temperature, humid-
ity, and air quality, the Symaro sensor
range for flush mounting also comprises
comfortable multisensors for the simul-
taneous acquisition of several measuring
variables. In addition, the sensors can
be precisely adjusted to your individual
application thanks to their diverse con-
figuration options, such as active and
passive output signals.
All in harmony – thanks to uniform
room design
Symaro sensors for flush mounting can
be mounted into all types of commer-
cially available recessed conduit boxes,
worldwide. They also meet all installation
requirements: In combination with the
versatile frames of the DELTA switches,
they blend perfectly into any room sur-
roundings. Symaro sensors thus provide
a high level of flexibility and can be easily
integrated into existing as well as new
systems and applications.
Enjoying a perfect feeling of comfort –
while saving energy
Only accurate and expressive measuring
values ensure energy-efficient room con-
trol plus maximum comfort. The sensors’
optimized design enables them to acquire
the measuring variables quickly and accu-
rately. At the same time, disturbances like
the temperature of the wall are compen-
sated for. Hence, Symaro sensors are the
ideal basis for saving energy and costs.
Accurate measuring values are needed
for energy-efficient ventilation, for
example, ensuring that the amount of
outside air supplied to the room does
not exceed the amount actually required.
So air quality sensors are very important
components of demand-controlled ven-
tilation. They acquire the exact CO₂ con-
tent of the room air or the level of mixed
gases produced by paints or given off by
materials. The fan’s output is controlled
depending on these measured values.
Innovative sensor technology –
freedom in design
Highlights
Energy savings thanks to fast,
highly precise measurements
and low energy consumption
of the sensor
Sensor of elegant design for
flush mounting, suited for any
application in the room
Extensive choice of colors and
designs of DELTA switches
Multisensor with several
measuring parameters in one
unit, ensuring lower installation
and wiring costs
Individual adaptation to specific
application due to configurable
outputs