WIKA Air2guide A2G-20 Bedienungsanleitung

Operating instructions

Betriebsanleitung

Mode d‘emploi

Manual de instrucciones

Manuale d‘uso

Air velocity meter, model A2G-20

Luftgeschwindigkeitsmessgerät, Typ A2G-20

Instrument de mesure de la vitesse de l’air, type A2G-20

Instrumento de medición de velocidad del aire, modelo A2G-20

Misuratore della velocità dell’aria, modello A2G-20

Model A2G-20

40339556.03 05/2021 EN/DE/FR/ES/IT

WIKA operating instructions model A2G-20

Operating instructions model A2G-20 Page 3 - 22

Betriebsanleitung Typ A2G-20 Seite 23 - 42

Mode d‘emploi type A2G-20 Page 43 - 62

Manual de instrucciones modelo A2G-20 Página 63 - 82

Manuale d‘uso modello A2G-20 Pagina 83 - 102

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!

3WIKA operating instructions model A2G-20

40339556.03 05/2021 EN/DE/FR/ES/IT

Contents

1. General information 4

2. Design and function 5

3. Safety 7

4. Transport, packaging and storage 11

5. Commissioning, operation 12

6. Maintenance and cleaning 18

7. Dismounting, return and disposal 19

8. Specications 21

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WIKA operating instructions model A2G-20

1. General information

■

The air velocity meter described in the operating instructions has

been manufactured using state-of-the-art technology. All components

are subject to stringent quality and environmental criteria during

production. Our management systems are certied 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 modications.

■

Further information:

- Internet address: www.wika.de / www.wika.com

www.air2guide.com

- Relevant data sheet: SP 69.06

1. General information

5WIKA operating instructions model A2G-20

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2. Design and function

2.1 Overview

Case

LC display (optional)

Cable entry for electrical connection

Mounting ange

Probe sleeve

2.2 Description

The model A2G-20 air velocity meter is used for measuring ow rates

of gaseous media in ventilation and air-conditioning applications. In

addition, the A2G-20 features integrated temperature measurement.

Electrical output signals for both measurands (DC 0 … 10 V or

4 … 20 mA; adjustable at the instrument via jumpers) enable the direct

connection to control systems or the building automation system.

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WIKA operating instructions model A2G-20

2. Design and function

2.3 Dimensions in mm

40340201.01

M16 x 1.5

Mounting ange

7WIKA operating instructions model A2G-20

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2. Design and function / 3. Safety

2.4 Scope of delivery

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Air velocity meter

■

Mounting ange

■

Available in three variants

- Without display

- With display

- With display and switching output

Cross-check scope of delivery with delivery note.

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!

... identies 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

ecient and trouble-free operation.

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WIKA operating instructions model A2G-20

3. Safety

3.2 Intended use

This air velocity meter is used for measuring the air velocity and

temperature in air and other non-inammable and non-aggressive gases

of ventilation and air-conditioning systems (e.g. in fresh air/exhaust air

ducts).

This instrument is not permitted to be used in hazardous areas!

The instrument has been designed and built solely for the intended use

described here, and may only be used accordingly.

The technical specications contained in these operating instructions

must be observed. Improper handling or operation of the instrument

outside of its technical specications requires the instrument to be taken

out of service immediately and inspected by an authorised WIKA service

engineer.

The manufacturer shall not be liable for claims of any type based on

operation contrary to the intended use.

3.3 Improper use

WARNING!

Injuries through improper use

Improper use of the instrument can lead to hazardous

situations and injuries.

▶Refrain from unauthorised modications to the instrument.

▶Do not use the instrument within hazardous areas.

▶Do not use the instrument with abrasive or viscous media.

Any use beyond or dierent to the intended use is considered as

improper use.

Do not use this instrument in safety or emergency stop devices.

9WIKA operating instructions model A2G-20

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3. Safety

3.4 Responsibility of the operator

The instrument is used in the industrial sector.The operator is therefore

responsible for legal obligations regarding safety at work.

The safety instructions within these operating instructions, as well as the

safety, accident prevention and environmental protection regulations for

the application area must be maintained.

The operator is obliged to maintain the product label in a legible

condition.

To ensure safe working on the instrument, the operating company must

ensure

■

that the operating personnel are regularly instructed in all topics

regarding work safety, rst aid and environmental protection and know

the operating instructions and, in particular, the safety instructions

contained therein.

■

that the instrument is suitable for the particular application in

accordance with its intended use.

■

that personal protective equipment is available.

3.5 Personnelqualication

WARNING!

Riskofinjuryshouldqualicationbeinsucient

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

qualications described below.

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WIKA operating instructions model A2G-20

3. Safety

Skilled electrical personnel

Skilled electrical personnel are understood to be personnel who,

based on their technical training, know-how and experience as well

as their knowledge of country-specic regulations, current standards

and directives, are capable of carrying out work on electrical systems

and independently recognising and avoiding potential hazards. The

skilled electrical personnel have been specically trained for the work

environment they are working in and know the relevant standards and

regulations.The skilled electrical personnel must comply with current

legal accident prevention regulations.

Operating personnel

The personnel trained by the operator are understood to be personnel

who, based on their education, knowledge and experience, are capable

of carrying out the work described and independently recognising

potential hazards.

Special operating conditions require further appropriate knowledge, e.g.

of aggressive media.

3.6 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

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