Pfeiffer Vacuum OKTA 2000 ATEX Manual de usuario

OPERATING INSTRUCTIONS

Translation of the Original

OKTA 2000 ATEX

Roots pump

Dear Customer,

Thank you for choosing a Pfeiffer Vacuum product. Your new roots pump should support you

in your individual application with full performance and without malfunctions. The name

Pfeiffer Vacuum stands for high-quality vacuum technology, a comprehensive and complete

range of top-quality products and first-class service. From this extensive, practical experience

we have gained a large volume of information that can contribute to efficient deployment and

to your personal safety.

In the knowledge that our product must avoid consuming work output, we trust that our

product can offer you a solution that supports you in the effective and trouble-free

implementation of your individual application.

Please read these operating instructions before putting your product into operation for the

first time. If you have any questions or suggestions, please feel free to contact info@pfeiffer-

vacuum.de.

Further operating instructions from Pfeiffer Vacuum can be found in the Download Center on

our website.

Disclaimer of liability

These operating instructions describe all models and variants of your product. Note that your

product may not be equipped with all features described in this document. Pfeiffer Vacuum

constantly adapts its products to the latest state of the art without prior notice. Please take

into account that online operating instructions can deviate from the printed operating

instructions supplied with your product.

Furthermore, Pfeiffer Vacuum assumes no responsibility or liability for damage resulting from

the use of the product that contradicts its proper use or is explicitly defined as foreseeable

misuse.

This document is the intellectual property of Pfeiffer Vacuum and all contents of this

document are protected by copyright. They may not be copied, altered, reproduced or

published without the prior written permission of Pfeiffer Vacuum.

We reserve the right to make changes to the technical data and information in this document.

2/62

Table of contents

1 About this manual 7

1.1 Validity 7

1.1.1 Applicable documents 7

1.1.2 Variants 7

1.2 Target group 7

1.3 Conventions 7

1.3.1 Instructions in the text 7

1.3.2 Pictographs 8

1.3.3 Stickers on the product 8

1.3.4 Abbreviations 9

1.4 Trademark proof 10

2 Safety 11

2.1 General safety information 11

2.2 Safety instructions 11

2.3 Safety precautions 15

2.4 ATEX classification and safety measures 15

2.4.1 Labeling of the vacuum pump 16

2.4.2 Potential hazards 17

2.4.3 Safety measures 17

2.5 Limits of use of the product 18

2.6 Proper use 19

2.7 Foreseeable improper use 19

3 Product description 21

3.1 Functional description 21

3.1.1 Design with overflow valve 21

3.1.2 Design with blocked overflow valve 22

3.2 Identifying product 22

3.3 Scope of delivery 23

4 Transportation and Storage 24

4.1 Transporting the vacuum pump 24

4.2 Storing vacuum pump 25

5 Installation 26

5.1 Preparatory work 26

5.2 Setting up vacuum pump 26

5.3 Filling with lubricant 27

5.4 Connecting the vacuum side 28

5.5 Connecting the fore-vacuum side 29

5.6 Setting and checking the temperature monitoring 30

5.6.1 Check thermometer installation dimension 30

5.6.2 Arrange a signal evaluation for the thermometer 31

5.7 Connect to mains power supply 31

5.7.1 Connecting three phase motor with 6-pin terminal board 32

5.7.2 Checking the direction of rotation 33

5.7.3 Connecting the PTC thermistor tripping unit 33

5.8 Observing the motor torque 34

6 Operation 35

6.1 Putting the vacuum pump into operation 35

6.2 Operation with frequency converter 35

6.2.1 Observe the voltage slew rate 35

6.2.2 Observe the mechanical resonance 35

6.3 Switching on vacuum pump 36

6.4 Adjusting the sealing gas amount 36

Table of contents

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6.5 Checking the power input 37

6.6 Vibration monitoring 38

6.6.1 Monitor the operating condition 39

6.6.2 Monitoring the bearing condition 39

6.6.3 Monitoring the motor condition 40

6.7 Switching off and venting the vacuum pump 41

7 Maintenance 42

7.1 Maintenance information 42

7.2 Checklist for inspection and maintenance 43

7.3 Changing lubricant 45

7.4 Cleaning the suction chamber 47

7.5 Cleaning the overflow valve 47

8 Decommissioning 49

8.1 Shutting down for longer periods 49

8.2 Recommissioning 49

9 Recycling and disposal 50

9.1 General disposal information 50

9.2 Dispose of Okta roots pumps 50

10 Malfunctions 51

11 Service solutions by Pfeiffer Vacuum 53

12 Spare parts 55

12.1 Ordering spare parts packs 55

13 Accessories 56

13.1 Accessory information 56

13.2 Ordering accessories 56

14 Technical data and dimensions 57

14.1 General 57

14.2 Technical data 57

14.3 Dimensions 58

Declaration of Conformity 60

Declaration of Conformity 61

Table of contents

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List of tables

Tbl. 1: Variants 7

Tbl. 2: Stickers on the product 9

Tbl. 3: Abbreviations used 10

Tbl. 4: ATEX designations 17

Tbl. 5: Potential hazards 17

Tbl. 6: Measures and safety equipment 18

Tbl. 7: Permissible ambient conditions 19

Tbl. 8: Maximum permissible forces and torques on the intake flange 29

Tbl. 9: Thermometer type 30

Tbl. 10: EPL (Equipment protection level) 31

Tbl. 11: Evaluated frequency ranges 39

Tbl. 12: Characteristic bearing damage frequencies of the roots pump 40

Tbl. 13: Characteristic frequencies of the roots pump 40

Tbl. 14: Relevant frequency range of the motor 40

Tbl. 15: Maintenance intervals 44

Tbl. 16: Overflow valve maintenance intervals 44

Tbl. 17: Troubleshooting 52

Tbl. 18: Accessories 56

Tbl. 19: Consumables 56

Tbl. 20: Conversion table: Pressure units 57

Tbl. 21: Conversion table: Units for gas throughput 57

Tbl. 22: Technical data Okta 2000 ATEX with lubricant P3 and H1 58

List of tables

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List of figures

Fig. 1: Position of the stickers on the product 9

Fig. 2: Okta 2000 ATEX design 21

Fig. 3: Okta ATEX | Overflow valve active 22

Fig. 4: Okta ATEX | overflow valve blocked 22

Fig. 5: Transporting the vacuum pump using a belt 25

Fig. 6: Dismantle the fittings to vent the vacuum pump 26

Fig. 7: Filling with lubricant 28

Fig. 8: Loading capacity of the connection flange 29

Fig. 9: Check temperature monitoring 30

Fig. 10: Delta connection for low voltage 32

Fig. 11: Star circuit for high voltage 33

Fig. 12: Checking the direction of rotation 33

Fig. 13: Connection example with PTC thermistor tripping unit 34

Fig. 14: Position of the vibration sensors 38

Fig. 15: Draining lubricant 46

Fig. 16: Filling with lubricant 46

Fig. 17: Overflow valve 48

Fig. 18: Okta 2000 ATEX 59

List of figures

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1 About this manual

IMPORTANT

Read carefully before use.

Keep the manual for future consultation.

1.1 Validity

This operating instructions is a customer document of Pfeiffer Vacuum. The operating instructions de-

scribe the functions of the named product and provide the most important information for the safe use of

the device. The description is written in accordance with the valid directives. The information in this op-

erating instructions refers to the product's current development status. The document shall remain valid

provided that the customer does not make any changes to the product.

1.1.1 Applicable documents

Document Number

Declaration of conformity for “Equipment category 2G” Part of this document

Declaration of conformity for “Equipment category 3G” Part of this document

Technical information for the thermometer Supplier document

Operating instructions for the motor Supplier document

Operating instructions for the coupling Supplier document

You can find these documents in the Pfeiffer Vacuum Download Center.

1.1.2 Variants

These instructions apply for different roots pump designs:

Permissible temperature range Lubricant type

+5°C ≤ Ta ≤ +40°C P3

-20°C ≤ Ta ≤ +40°C H1

Tbl. 1: Variants

1.2 Target group

These operating instructions are aimed at all persons performing the following activities on the product:

●Transportation

●Setup (Installation)

●Usage and operation

●Decommissioning

●Maintenance and cleaning

●Storage or disposal

The work described in this document is only permitted to be performed by persons with the appropriate

technical qualifications (expert personnel) or who have received the relevant training from Pfeiffer Vac-

uum.

1.3 Conventions

1.3.1 Instructions in the text

Usage instructions in the document follow a general structure that is complete in itself. The required ac-

tion is indicated by an individual step or multi-part action steps.

About this manual

7/62

Individual action step

A horizontal, solid triangle indicates the only step in an action.

►This is an individual action step.

Sequence of multi-part action steps

The numerical list indicates an action with multiple necessary steps.

1. Step 1

2. Step 2

3. ...

1.3.2 Pictographs

Pictographs used in the document indicate useful information.

Note

Tip

1.3.3 Stickers on the product

This section describes all the stickers on the product along with their meanings.

Mod.: Okta 4000 ATEX

Weight: 700 kg

D-35641 Asslar

Made in Germany

Mod.-No.: PP W73 ...

n: max. 3600 1/min Oil: P3 7,0 l

S(N): max. 5190 m /h

06/2019

II 3/3G Ex h IIB T3 Gc X

Ser. -No.: 1234567895

+ 5°C T + 40°C

Rating plate (example)

The rating plate is located on the front side above the

sight glass

Motor rating plate (not shown)

Vor Inbetriebnahme Pumpe mit Öl

füllen

Fill the pump with oil before putting

into operation

Remplir la pompe d’huile avant la mise

en route

Sticker (red)

Fill the roots pump with lubricant before commissioning

Achtung!

nur mit H1 befüllen

Attention!

only H1 to be used

Sticker – only in case of H1 lubricant:

● Caution: fill with H1 only

ATEX - Überströmventil

ATEX Overflow valve

D-35641 Asslar

Sticker - Overflow valve

Note: Pump design with overflow valve.

About this manual

8/62

Warning hot surface

This sticker warns of injuries caused by high tempera-

tures as a result of contact without protection during op-

eration.

Magnetic field warning

This sticker warns of injuries to people with pacemak-

ers.

Tbl. 2: Stickers on the product

567

Fig. 1: Position of the stickers on the product

1 Rating plate 5 Note: Filling with lubricant

2 Note: ATEX overflow valve 6 Notice: Only fill with H1 (optional)

3 Magnetic field warning sign 7 Hot surface warning sign

4 Direction of rotation arrow (cast in pump housing)

1.3.4 Abbreviations

Abbreviation Explanation

ASSealing gas content at the operating gas flow

OI Operating instructions

DIN German Institute for Standardization (Deutsches Institut für Normung)

EPL Equipment Protection Level

ISO International Organization for Standardization

nRotation speed [Hz]

pIntake pressure [hPa]

PE Protective earth (earthed conductor)

p0Ambient pressure [hPa]

pVFore-vacuum pressure [hPa]

PN Nominal pressure stage (pressure nominal)

PWM Pulse width modulation

∆p Differential pressure max. [hPa]

QSSealing gas flow

SI Service instructions

SIL Safety Integrity Level in accordance with safety standard DIN EN 61508

SR Voltage slew rate

Sth Nominal pumping speed roots pump, theoretical

SVPumping speed backing pump

About this manual

9/62

Abbreviation Explanation

WAF Width Across Flats

Ta Permissible ambient temperature

Tbl. 3: Abbreviations used

1.4 Trademark proof

●Loctite® is a trademark of HENKEL IP & HOLDING GMBH.

About this manual

10/62

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