WIKA 831 Manual de usuario

Operating Instructions

Betriebsanleitung

Mode d'emploi

Manual de Instrucciones

II 2 GD c TX TÜV 03 ATEX 2302 X

Model 432.50.100 with inductive

contact Model 831.12 per ATEX

Pressure gauges Model 4 with inductive contacts Model 831

per directive 94/9/EC (ATEX)

Druckmessgeräte Typ 4 mit Induktivkontakten Typ 831

nach Richtlinie 94/9/EG (ATEX)

Manomètres Type 4 avec contacts inductifs Type 831

selon directive 94/9/EG (ATEX)

Manómetros Modelo 4 con contacto inductivo Modelo 831

según la directiva 94/9/CE (ATEX)

2080242.03 12/2009 GB/D/F/E

Operating instructions Model 4 with Model 831

per ATEX Page 3-27

Betriebsanleitung Typ 4 mit Typ 831

nach ATEX Seite 29-53

Mode d’emploi Type 4 avec Type 831

selon ATEX Page 55-66

Manual de instrucciones Modelo 4 con Modelo 831

según ATEX Página 67-78

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 posterior!

1. General information 4

2. Safety 5

3. Specifications 8

4. Design and function 9

5. Switch contacts 10

6. Transport, packaging and storage 11

7. Commissioning, operation 12

8. Maintenance and cleaning 14

9. Dismounting and disposal 14

Appendix 1: Declaration of conformity for Models 4XX

with inductive contacts Model 831 15

Appendix 2: EC-type examination certificate (Ex approval

for gases) for slot-type initiators types SJ

(WIKA-Model 831)

16-18

Appendix 3: EC-type examination certificate (Ex approval

for gases) for SN-sensors types SJ

(WIKA-Model 831-SN / S1N)

19-22

Appendix 4: EC-type examination certificate (Ex approval

for dust) for SN-proximity sensors types SJ

(WIKA-Model 831 and 831-SN / S1N)

23-27

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX 3

2080242.03 12/2009 GB/D/F/E

Contents

2080242.03 12/2009 GB/D/F/E

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX

1. General information

The 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

pressure gauge. 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 instrument and must be kept in the

immediate vicinity of the instrument and readily accessible to skilled person-

nel 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 insufficiently qualified skilled personnel

or unauthorised modifications to the pressure gauge.

The general terms and conditions (AGB), contained in the sales documentati-

on, shall apply.

Subject to technical modifications.

Further information:

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

- relevant data sheet: PV 24.03, PM 04.02, PM 04.07, PM 04.08,

PM 04.09 and/or AC 08.01



Explanation of symbols

WARNING!

… indicates a potentially dangerous situation, which can result

in serious injury or death, if not avoided.

Information

… points out useful tips, recommendations and information for

efficient and trouble-free operation.

WARNING!

… indicates a potentially dangerous situation in a potentially

explosive atmosphere, resulting in serious injury or death, if not

avoided.

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX 5

2080242.03 12/2009 GB/D/F/E

2. Safety

WARNING!

Before installation, commissioning and operation, ensure that

the appropriate pressure gauge has been selected in terms of

measuring range, design and specific measuring conditions.

In order to guarantee the accuracy and long-term stability

specified, the corresponding load limits are to be observed.

Only work on the gauge with the voltage disconnected.

Serious injuries and/or damage can occur should these not be

observed.

Further important safety instructions can be found in the indivi-

dual chapters of these operating instructions.

2.1 Intended use

The Model 4 pressure gauges per Directive 94/9/EC (ATEX) with Model 831

inductive contacts are used to control industrial processes, to monitor plants

and to switch electrical circuits.

The pressure gauge 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 qualification

WARNING!

Risk of injury should qualification be insufficient!

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 qualifi-

cations described below.

Skilled personnel

Skilled personnel are understood to be personnel who, based on their technical

training, knowledge of measurement and control technology and on their experi-

ence and knowledge of country-specific regulations, current standards and

directives, are capable of carrying out the work described and independently

recognising potential hazards.



Temperature Class of the

ambient atmosphere

(ignition temperature)

Maximum permissible medium

temperature (in the pressure system)

Models 42X.12

and 42X.20

Models 43X.50,

43X.30 and 43X.X6

Model 43X.55

T 6 (> 85 °C) +70 °C +70 °C +70 °C

T 5 (> 100 °C) +85 °C +85 °C +85 °C

T 4 (> 135 °C) +100 °C +100 or +120 °C 2) +100 °C

T 3 (> 200 °C) +100 °C +100 or +185 °C 2) +100 °C

T 2 (> 300 °C) +100 °C +100 or +200 °C 2) +100 °C

T 1 (> 455 °C) +100 °C +100 or +200 °C 2) +100 °C

2080242.03 12/2009 GB/D/F/E

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX

2.3 Safety instructions for pressure gauges with ATEX approval

WARNING!

Non-observance of these instructions and their contents may

result in the loss of explosion protection.

It is imperative that the application conditions and safety

requirements of the EC-type examination certificate are

followed.

Technical data

Operating Temperature

Ambient: -20 … +60 °C (with inductive contacts in safety pattern version

Models 831.XX-SN up to -40 °C)

Attention: Footnote 1) under table 1 must be absolutely taken into account!

Medium: see table 1

Attention!

In the case of gaseous substances, the temperature may increase due

to compression warming. In these cases it may be necessary to throttle the rate of

change of pressure or reduce the permissible temperature of the pressure medium.

Table 1: Permissible medium temperature (only mechanical part)

2. Safety

1) The permissible upper ambient temperature for the electrical components is determined by the

electrical connection values and the ignition temperature of the ambient gases, vapours and dusts.

Therefore the maximum permissible ambient temperatures specified in the EC-type examination

certificates for slot-type sensors and SN sensors must be observed as well. The lower of these two

values is to be considered the maximum permissible ambient temperature!

2) The higher values apply only to special versions with higher permissible media temperatures.

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX 7

2080242.03 12/2009 GB/D/F/E

2.4 Special hazards

WARNING!

Observe the information given in the applicable type exami-

nation certificate and the relevant country-specific regulations

for installation and use in potentially explosive atmospheres

(e.g. IEC 60 079-14, NEC, CEC). Non-observance can result in

serious injury and/or damage to equipment.

Dangerous pressure media such as Oxygen, Acetylene, flammable gases or liquids, toxic

gases or liquids as well as for refrigeration plants or compressors requires attention above

the standard regulations. Here the specific safety codes or regulations must be consi-

dered.

For additional important safety instructions see chapter 2.3 "Safety instructions

for instruments with ATEX approval".

WARNING!

Residual media in dismounted pressure gauges may result in a

risk to people, the environment and the system. Take sufficient

precautionary measures.

2.5 Labelling / safety marks

Product label

2. Safety

Wiring details Date of manufacture

Month/year

(here October 2009)

2080242.03 12/2009 GB/D/F/E

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX

3. Specifications

Pressure limitation

Steady: full scale value

Fluctuating: 0.9 x full scale value

Overpressure safety: see respective data sheet

Temperature effect

When the temperature of the measuring system deviates from the reference

temperature (+20 °C): max. ±0.8 %/10 K of full scale value

IP Ingress protection

IP 54 per EN 60 529 / IEC 60 529

(with liquid filling IP 65)

For further specifications see WIKA Data Sheet PV 24.03, PM 04.02, PM 04.07,

PM 04.08, PM 04.09 and the order documentation.

2. Safety / 3. Specifications

Explanation of symbols

CE, Communauté Européenne

Gauges bearing this mark comply with the relevant European

directives.

ATEX European Explosion Protection Directive

(Atmosphère = AT, explosible = Ex)

Gauges bearing this mark comply with the requirements of the

European Directive 94/9/EC (ATEX) on explosion protection.

Gauges bearing this mark on the dial are safety pressure

gauges with solid baffle wall per EN 837 (S3).

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX 9

2080242.03 12/2009 GB/D/F/E

4. Design and function

Description

The pressure gauges measure the pressure by means of resilient diaphragm

measuring elements

The measuring characteristics are in accordance with the EN 837-3 and

DIN 16 085 standards

In addition the Models 43X.30 and 43X.36 also meet the requirements,

relating to safety pattern pressure gauges, outlined in the EN 837 (user

protection) standard

The built-in electrical switch contacts are non-contact slot-type inductive

proximity sensors, which are powered from switching amplifiers with certified

intrinsically safe circuits. When any of the adjustable set points is reached, the

associated output circuits will either open or close.

As standard Model 831 slot sensors, to EC-type examination certificate

PTB 99 ATEX 2219 X (see Appendix 2) and ZELM 03 ATEX 0128 X (see

Appendix 4), are used

Model 831-SN and -S1N SN sensors, to PTB 00 ATEX 2049 X (see Appen-

dix 3) and ZELM 03 ATEX 0128 X (see Appendix 4), are special designs with

safety features (that are not relevant to explosion protection) for special

applications

The connected loads for the switches are in accordance with EN 60 947-5-6

("NAMUR").

Scope of delivery

Cross-check scope of delivery with delivery note.



2080242.03 12/2009 GB/D/F/E

WIKA Operating instructions pressure gauges Model 4 with 831 per ATEX

5. Switch contacts

EC-type examination certificates

Standard version Model 831.XX

PTB 99 ATEX 2219 X (Appendix 2) and ZELM 03 ATEX 0128 X (Appendix 4)

Depending on the number of switches and on the case diameter either

Model SJ2-N... or Model SJ3.5-...-N... is used.

Safety pattern version Models 831.XX - SN or - S1N

PTB 00 ATEX 2049 X (Appendix 3) and ZELM 03 ATEX 0128 X (Appendix 4)

Depending on the number of switches and on the case diameter either

Models SJ 2-SN..., SJ 2-S1N..., SJ 3.5-SN.. or SJ 3.5-S1N... are used.

The built-in sensor type is stated on the product label of the pressure gauge.

Wiring details

The electrical connections must only be made by qualified skilled personnel

Connection of the switches via screw terminals in the terminal box

Conductor cross section max. 1.5 mm2

The terminal assignment is stated on the product label of the pressure gauge

The gauges must be connected to the equipotential bonding of the plant

The permissible limits of Ui, Iiand Pifor the intrinsically safe supply circuits

depend on the sensor type. They can be taken from the corresponding EC-type

examination certificates. (The sensor type is stated on the connection plate of

the pressure gauge.)

Suitable switch amplifiers are e.g.:



Electromagnetic compatibility

EMC to EN 60 947-5-2.

The instruments are to be protected against strong electromagnetic fields.

Circuit Sensor type Model designation EC-type exami- WIKA-

(s. Ex-certific.) Fa. Pepperl & Fuchs nation certificate Model

Model 1 standard KFD2-SR2-Ex1 PTB 00 ATEX 2080 904.31

standard KFD2-SR2 Ex2 PTB 00 ATEX 2080 904.32

Model 2 standard KFA6-SR2-Ex1 PTB 00 ATEX 2081 904.28

standard KFA6-SR2-Ex2 PTB 00 ATEX 2081 904.29

SN-sensors KFD2-SH-Ex1 PTB 00 ATEX 2042 904.33

SN-sensors KHA6-SH-Ex1 PTB 00 ATEX 2043 904.30

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