WIKA A2G-10 Manual de usuario
Operating instructions
Betriebsanleitung
Mode d‘emploi
Manuale d‘uso
EN
DE
FR
IT
Differential pressure gauges, models A2G-10, A2G-15
Differenzdruckmanometer, Typen A2G-10, A2G-15
Manomètres différentiels, types A2G-10, A2G-15
Manometri differenziali, modelli A2G-10, A2G-15
Fig. left: Model A2G-10
Fig. right: Model A2G-15 with output signal
EN
DE
FR
IT
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WIKA operating instructions models A2G-10, A2G-15
Operating instructions models A2G-10, A2G-15 Page 3 - 16
Betriebsanleitung Typen A2G-10, A2G-15 Seite 17 - 30
Mode d'emploi types A2G-10, A2G-15 Page 31 - 44
Manuale d‘uso modelli A2G-10, A2G-15 Pagina 45 - 58
© 05/2010 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 !
Prima di iniziare ad utilizzare lo strumento, leggere il manuale d‘uso!
Conservare per future consultazioni!
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WIKA operating instructions models A2G-10, A2G-15 3
Contents
Contents
1. General information 4
2. Design and function 5
3. Safety 6
4. Transport, packaging and storage 8
5. Commissioning, operation 8
6. Maintenance and cleaning 12
7. Dismounting, return and disposal 13
8. Specifications 14
9. Accessories 16
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WIKA operating instructions models A2G-10, A2G-154
1. General information
■
The differential pressure gauge 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 certified 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. Pass
the operating instructions on to the next operator or owner of the instrument.
■
Skilled personnel must have carefully read and understood the operating instructions
prior to beginning any work.
■
The general terms and conditions contained in the sales documentation shall apply.
■
Subject to technical modifications.
■
Further information:
- Internet address: www.wika.de / www.wika.com
- Relevant data sheet: PM 07.40 and PV 17.40
- Application consultant: Tel.: +49 9372 132-0
Fax: +49 9372 132-406
info@wika.de
1. General information
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WIKA operating instructions models A2G-10, A2G-15 5
2. Design and function
2.1 Overview
Pressure measuring system
Threaded bezel
Built-in case
Add-on case
Cable gland
2.2 Description
The model A2G-10 and A2G-15 differential pressure gauges are used for monitoring
the differential pressure in ventilation and air-conditioning applications.The measuring
ranges cover from 0 … 100 Pa to 0 … 6,000 Pa. Plus/minus ranges can be fulfilled from
-50 … +50 Pa to -1,500 … +1,500 Pa.
Electrical output signals of the model A2G-15 for both measurands (DC 0 … 10 V or
4 … 20 mA) enable the direct connection to control systems or the building automation
system.
2.3 Scope of delivery
■
Differential pressure gauge
■
Case (built-in or add-on)
■
Threaded pressure connection
Cross-check scope of delivery with delivery note.
Model A2G-10 Model A2G-15,
with electrical output signal
2. Design and function
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WIKA operating instructions models A2G-10, A2G-156
3. Safety
3.1 Explanation of symbols
WARNING!
... indicates a potentially dangerous situation that can result in serious injury
or death, if not avoided.
CAUTION!
... indicates a potentially dangerous situation that can result in light injuries or
damage to property or the environment, if not avoided.
DANGER!
... identifies hazards caused by electrical power. Should the safety
instructions not be observed, there is a risk of serious or fatal injury.
WARNING!
... indicates a potentially dangerous situation that can result in burns, caused
by hot surfaces or liquids, if not avoided.
Information
... points out useful tips, recommendations and information for efficient and
trouble-free operation.
3.2 Intended use
This pressure gauge is designed for measuring very low pressures in dry, clean,
non-aggressive gases, primarily air.
The technical specifications contained in these operating instructions must be observed.
Improper handling or operation of the instrument outside of its technical specifications
requires the instrument to be taken out of service immediately and inspected by an
authorised WIKA service engineer.
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.
3. Safety
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WIKA operating instructions models A2G-10, A2G-15 7
3.3 Improper use
WARNING!
Injuries through improper use
Improper use of the instrument can lead to hazardous situations and injuries.
▶
Refrain from unauthorised modifications to the instrument.
▶
Do not use the instrument within hazardous areas.
Any use beyond or different to the intended use is considered as improper use.
3.4 Personnel qualification
WARNING!
Risk of injury should qualification be insufficient
Improper handling can result in considerable injury and damage to property.
▶
The activities described in these operating instructions may only be carried
out by skilled personnel who have the qualifications described below.
Skilled personnel
Skilled personnel, authorised by the operator, 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-specific regulations, current standards and
directives, are capable of carrying out the work described and independently recognising
potential hazards.
3.5 Labelling, safety marks
Product label (example)
Model Supply voltage
Measuring range Serial number
Output signal
Before mounting and commissioning the instrument, ensure you read the
operating instructions!
Type: A2G-50
Range: -250 ... +250 Pa
Output: 0 ... 10 V / 4 ... 20 mA
Supply: DC 24 V / AC 24 V ±10 % < 1 W
Made in EU E-Nr. 66209848
3. Safety
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WIKA operating instructions models A2G-10, A2G-158
4. Transport, packaging and storage
4.1 Transport
Check the instrument for any damage that may have been caused by transport.
Obvious damage must be reported immediately.
CAUTION!
Damage through improper transport
With improper transport, a high level of damage to property can occur.
▶
When unloading packed goods upon delivery as well as during internal
transport, proceed carefully and observe the symbols on the packaging.
▶
With internal transport, observe the instructions in chapter 4.2 “Packaging
and storage”.
4.2 Packaging and storage
Do not remove packaging until just before mounting.
Keep the packaging as it will provide optimum protection during transport (e.g. change in
installation site, sending for repair).
Permissible conditions at the place of storage:
■
Storage temperature: 0 ... 70 °C
■
Humidity: 35 ... 85 % relative humidity (no condensation)
5. Commissioning, operation
5.1 Installation and mechanical connection
In accordance with the general technical regulations for pressure measuring instruments
(e.g. EN 837-2 “Selection and installation recommendations for pressure gauges”).
air2guide standard gauges are calibrated in vertical position and should be installed in the
same position to avoid loss of class accuracy. If a different installation position is required
for air2guide instruments, please specify when ordering. Instruments with high measuring
ranges can be installed in a different, non-vertical mounting position by simply adjusting
the zero point.
4. Transport, packaging ... / 5. Commissioning, operation
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WIKA operating instructions models A2G-10, A2G-15 9
5. Commissioning, operation
To screw down pierce three
prepunched holes by means
of a screwdriver
It is not necessary to pierce holes
when carrying out assembly
using a threaded bezel
or
Wall mounting, lower mount
Panel mounting, back mount
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WIKA operating instructions models A2G-10, A2G-1510
After fitting the measuring element into the case it can be moved in a clockwise and
counterclockwise direction respectively for 15 angular degrees in order to ensure precise
horizontal positioning of the instrument.
5. Commissioning, operation
Detailed mounting steps for panel mounting
Detailed mounting steps for wall mounting
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