WIKA A2G-80 User manual
I
Operating instructions
Betriebsanleitung
Mode d´emploi
Manual de instrucciones
Manuale d‘uso
GB
Air quality sensor VOC model A2G-80
Luftqualitätssensor VOC Typ A2G-80
Capteur de la qualité d‘air VOC type A2G-80
Sensor de calidad del aire VOC modelo A2G-80
Sensore di qualità dell‘aria VOC modello A2G-80
Air quality sensor VOC model A2G-80
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WIKA operating instructions air2guide model A2G-80
GB
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Operating instructions model A2G-80 Page 3-10
Betriebsanleitung Typ A2G-80 Seite 11-18
Mode d´emploi type A2G-80 Page 19-26
Manual de instrucciones modelo A2G-80 Página 27-34
Manuale d‘uso modello A2G-80 Pagina 35-42
© 2010 WIKA Alexander Wiegand SE & Co. KG
All rights reserved. / Alle Rechte vorbehalten.
WIKA®is a registered trademark in various countries.
WIKA®ist eine geschützte Marke in verschiedenen Ländern.
Prior to starting any work, read the operating instructions!
Keep for later use!
Vor Beginn aller Arbeiten Betriebsanleitung lesen!
Zum späteren Gebrauch aufbewahren!
Lire le mode d‘emploi avant de commencer toute opération !
A conserver pour une utilisation ultérieure !
¡Leer el manual de instrucciones antes de comenzar cualquier trabajo!
¡Guardar el manual para una eventual consulta!
Prima di iniziare ad utilizzare lo strumento, leggere il manuale d‘uso!
Conservare per future consultazioni!
WIKA operating instructions air2guide model A2G-80 3
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40202810.02 07/2012 GB/D/F/E/I
1. General information 4
2. Safety 5
3. Specications 6
4. Design and function 8
5. Transport, packaging and storage 8
6. Commissioning, operation 9
7. Accessories 10
8. Maintenance and cleaning 10
9. Disposal 10
Contents
Contents
WIKA operating instructions air2guide model A2G-80
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1. General information
1. General information
■
The air quality sensor described in the operating instructions has
been designed and manufactured using state-of-the-art technology.
All components are subject to stringent quality and environmental
criteria during production. Our management systems are certied to
ISO 9001 and ISO 14001.
■
These operating instructions contain important information on
handling the instrument.Working safely requires that all safety
instructions and work instructions are observed.
■
Observe the relevant local accident prevention regulations and
general safety regulations for the instrument’s range of use.
■
The operating instructions are part of the product and must be kept
in the immediate vicinity of the instrument and readily accessible to
skilled personnel at any time.
■
Skilled personnel must have carefully read and understood the
operating instructions, prior to beginning any work.
■
The manufacturer’s liability is void in the case of any damage caused
by using the product contrary to its intended use, non-compliance
with these operating instructions, assignment of insuciently
qualied skilled personnel or unauthorised modications to the
instrument.
■
The general terms and conditions contained in the sales documenta-
tion shall apply.
■
Subject to technical modications.
■
Further information:
- Internet address: www.wika.de / www.wika.com
www.air2guide.com
- Relevant data sheet: SP 69.01
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1. General information / 2. Safety
Explanation of symbols
CAUTION!
... indicates a potentially dangerous situation which can
result in light injuries or damage to the equipment or the
environment if not avoided.
2. Safety
CAUTION!
Before installation, commissioning and operation, ensure
that the appropriate instrument (air quality sensor) has
been selected.
2.1 Intended use
This air quality sensor is used for measuring the indoor air quality in
buildings, oces, classrooms, kitchens etc.
The instrument has been designed and built solely for the intended use
described here, and may only be used accordingly.
The manufacturer shall not be liable for claims of any type based on
operation contrary to the intended use.
2.2 Personnel qualication
WARNING!
Risk of injury should qualication be insucient!
Improper handling can result in considerable injury and
damage to equipment.
■
The activities described in these operating instructions
may only be carried out by skilled personnel who have
the qualications described below.
WIKA operating instructions air2guide model A2G-80
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2. Safety / 3. Specications
Skilled personnel
Skilled personnel are understood to be personnel who, based on their
technical training, knowledge of measurement and control technology
and on their experience and knowledge of country-specic regulations,
current standards and directives, are capable of carrying out the work
described and independently recognising potential hazards.
Explanation of symbols
CE, Communauté Européenne
Instruments bearing this mark comply with the relevant
European directives.
3. Specications
Voltage supply
DC 15 ... 24 V / AC 24 V ±10 %
Power consumption
1.2 W / 2.2 VA
Output signal
0 … 10 V (3-wire), load min. 10 kΩ
Permissible temperature
Ambient: -20 … +50 °C
Humidity range
Max. 85 % rH (non-condensing)
Ingress protection
IP 20 per EN 60529 / lEC 529
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3. Specications
Standards
CE conformity: 2004/108/EC Electromagnetic compatibility (EMC)
Product safety: 2001/95/EC Product safety
EMC: EN 607301:2002
Product safety: EN 607301:2002
Dimensions in mm
Mounting ange MF19-PA
WIKA operating instructions air2guide model A2G-80
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4. Design and function / 5. Transport, packaging ...
4. Design and function
Description
The sensor changes its conductivity in proportion to the number of
molecules of reduced gases.The associated output voltage of the
measuring element is correspondingly increased from DC 0 ... 10 V.
The greater the output signal of the sensor (0 ... 10 V), the worse the air
quality. Mixed gas sensors are wide band, i.e. the sensor signal does
neither show the type of gas nor the concentration in ppm.The sensor
cannot distinguish pleasant from unpleasant smells, but in the end it is
the persons living or working in the room who have to judge whether the
air quality is satisfactory or not.
Scope of delivery
Cross-check scope of delivery with delivery note.
5. Transport, packaging and storage
5.1 Transport
Check the air quality sensor for any damage that may have been caused
during transportation. Obvious damage must be reported immediately.
5.2 Packaging
Do not remove packaging until just before mounting.
Keep the packaging as it will provide optimum protection during trans-
port (e.g. change in installation site, sending for repair).
5.3 Storage
Permissible conditions at the place of storage:
Storage temperature: -20 ... +50 °C
Protect the instruments from moisture and dust.
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6. Commissioning, operation
6. Commissioning, operation
Installation
■
Protect air quality sensors from contamination, high temperature
changes and vibrations
■
Solar irradiation and air draught are to be avoided
■
Mount duct sensors with their air intake facing the direction of the
ow
■
Max. air draught 10 m/s
Electrical connections
The sensor cannot distinguish pleasant from unpleasant smells, but
in the end it is the persons living or working in the room who have to
judge whether the air quality is satisfactory or not. Moreover, dierent air
compositions are occurring in dierent rooms.
This means that the set point for the required air quality is temporarily
preset during production. Optimisation must be done when the sensor
is installed.
Individual adjustment of the output signal is made via a trim potentiom-
eter on the sensor PCB. With this, the oset of the output signal is either
raised or lowered:
1. Attach sensors, lock the cover, switch on the power supply
2. Make sure there are good air conditions close to the sensor
WIKA operating instructions air2guide model A2G-80
GB
3. After running for about 30 minutes, check the output signal.The
voltage should be in the range of 1 ... 3 V.With a too high/low voltage,
correct the value accordingly
with the trim potentiometer on
the PCB:
Turn the potentiometer to the left
until the red LED just goes out.
The output signal will now be
approximately 0.7 V.
4. The sensor is now ready to be
used - the voltage of the output
signal will rise as the air quality
worsens.
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6. Commissioning, operation ... 9. Disposal
7. Accessories
Standard accessories
Mounting ange
8. Maintenance and cleaning
Clean the instruments with a moist cloth (soap water).
Repairs must only be carried out by the manufacturer or appropriately
qualied skilled personnel.
9. Disposal
Incorrect disposal can put the environment at risk.
Dispose of instrument components and packaging materials in an
environmentally compatible way and in accordance with the country-
specic waste disposal regulations.
Operating LED
Trim potentiometer
Oset
Electrical connection
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