Pfeiffer Vacuum BA 251 User manual

OPERATING INSTRUCTIONS

Translation of the Original

BA 251 | BA 501

Rotary vane pump

Dear Customer,

Thank you for choosing a Pfeiffer Vacuum product. Your new rotary vane pump is designed

to support you by its performance, its perfect operation and without interfering your individual

application. The name Pfeiffer Vacuum stands for high-quality vacuum technology, a

comprehensive and complete range of top-quality products and first-class service. With this

expertise, we have acquired a multitude of skills contributing to an efficient and secure

implementation of our product.

Knowing that our product must not interfere with your actual work, we are convinced that our

product offers you the solution that supports you in the effective and trouble-free execution 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.

2/72

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 7

1.3.3 Stickers on product 8

1.3.4 Abbreviations 9

1.3.5 Trademark proof 9

2 Safety 10

2.1 General safety information 10

2.2 Safety instructions 10

2.3 Safety precautions 14

2.4 Limits of use of product 14

2.5 Proper use 15

2.6 Foreseeable improper use 15

2.7 Personnel qualification 15

2.7.1 Ensuring personnel qualification 16

2.7.2 Personnel qualification for maintenance and repair 16

2.7.3 Advanced training with Pfeiffer Vacuum 16

3 Product description 17

3.1 Function 17

3.1.1 Actuator 17

3.1.2 Gas ballast 17

3.1.3 Cooling water controller 18

3.1.4 Venting or measuring connection 18

3.1.5 Operating fluid, oil 18

3.2 Operating principle 18

3.3 Product features 19

3.4 Identifying the product 19

3.5 Scope of delivery 19

4 Transportation and Storage 20

4.1 Transporting vacuum pump 20

4.2 Storing vacuum pump 21

5 Installation 22

5.1 Setting up vacuum pump 22

5.2 Connecting vacuum side 22

5.3 Connecting exhaust side 24

5.4 Connecting the cooling water supply 25

5.5 Connecting to mains power supply 26

5.5.1 Connecting three-phase motor with 6-pin terminal board 27

5.5.2 Setting motor protection switch 28

5.5.3 Connecting the PTC thermistor tripping unit 28

5.5.4 Checking direction of rotation 29

5.6 Installing belt guard 30

5.6.1 Removing belt guard 30

5.6.2 Tensioning v-belt 31

5.6.3 Mounting belt guard temporarily 32

5.6.4 Marking protective coverings 32

5.6.5 Installing cage nuts 33

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5.6.6 Mounting belt guard to base frame 33

5.6.7 Mounting protective coverings to belt guard 34

5.7 Filling up operating fluid 35

6 Operation 37

6.1 Commissioning vacuum pump 37

6.2 Switching on vacuum pump 38

6.3 Setting cooling water controller 39

6.4 Operating rotary vane pump with gas ballast 40

6.5 Refilling operating fluid 40

6.6 Switching off vacuum pump 41

7 Maintenance 42

7.1 Maintenance instructions 42

7.2 Checklist for inspection and maintenance 43

7.3 Change the operating fluid 44

7.3.1 Determining degree of aging of P3 operating fluid 45

7.3.2 Changing operating fluid in operating fluid storage tank 46

7.3.3 Rinsing and cleaning rotary vane pump 47

7.3.4 Changing operating fluid in bearings 48

7.4 Disassembling and cleaning gas ballast valve 49

7.5 Adjusting the noise reduction 51

7.6 Tensioning v-belt 52

8 Decommissioning 54

8.1 Shutting down for longer periods 54

8.2 Recommissioning 54

9 Recycling and disposal 55

9.1 General disposal information 55

9.2 Dispose of rotary vane pump 55

10 Malfunctions 56

11 Service solutions by Pfeiffer Vacuum 59

12 Spare parts 61

12.1 Ordering spare part packages 61

12.2 Set of seals 61

12.3 Maintenance kit 1 – maintenance level 1 61

12.4 Maintenance kit – RSSR outside 61

12.5 Maintenance kit – RSSR inside 61

12.6 Overhaul kit – maintenance level 3 61

12.7 V-belt kit 62

12.8 Exhaust valve kit 62

12.9 Set of vanes 62

12.10 Cooling water controller 62

13 Accessories 63

13.1 Accessory information 63

13.2 Ordering accessories 63

14 Technical data and dimensions 66

14.1 General 66

14.2 Substances in contact with the media 66

14.3 Technical data 67

14.4 Dimensions 68

EC Declaration of Conformity 70

UK Declaration of Conformity 71

Table of contents

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List of tables

Tbl. 1: Stickers on product 8

Tbl. 2: Abbreviations used in this document 9

Tbl. 3: Limits of use of product 15

Tbl. 4: Features of the rotary vane pumps 19

Tbl. 5: Requirements on the cooling water composition 25

Tbl. 6: Settings for the motor protection switch for BA 251 28

Tbl. 7: Settings for the motor protection switch for BA 501 28

Tbl. 8: Settings for v-belt bias 31

Tbl. 9: Maintenance intervals 44

Tbl. 10: Settings for v-belt bias 53

Tbl. 11: Troubleshooting for rotary vane pumps 58

Tbl. 12: Spare part packages 61

Tbl. 13: Accessories for BA 251 64

Tbl. 14: Accessories for BA 501 64

Tbl. 15: Consumables 65

Tbl. 16: Conversion table: Pressure units 66

Tbl. 17: Conversion table: Units for gas throughput 66

Tbl. 18: Materials that make contact with the process media 66

Tbl. 19: Technical data 68

List of tables

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List of figures

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

Fig. 2: Structure of the rotary vane pump 17

Fig. 3: Rotary vane vacuum pump functional principle 18

Fig. 4: Transporting vacuum pump 20

Fig. 5: Vacuum connection with flange connection 23

Fig. 6: Exhaust connection with flange connection 24

Fig. 7: Connecting the cooling water supply 26

Fig. 8: Delta connection for low voltage 27

Fig. 9: Star circuit for high voltage 27

Fig. 10: Connection example with PTC thermistor tripping unit 29

Fig. 11: Removing belt guard 31

Fig. 12: Checking v-belt bias with load hook 31

Fig. 13: Mounting belt guard temporarily 32

Fig. 14: Positions of protective coverings viewed from inside 33

Fig. 15: Mounting belt guard to base frame 34

Fig. 16: Mounting protective coverings to belt guard 35

Fig. 17: Cooling water controller of the rotary vane pump 37

Fig. 18: Setting cooling water controller 39

Fig. 19: Top of gas ballast valve 40

Fig. 20: Flange with valve and locking screw on operating fluid storage tank 47

Fig. 21: Oiler and locking screw on a bearing shield 48

Fig. 22: Gas ballast valve 50

Fig. 23: Top of gas ballast valve 52

Fig. 24: Checking v-belt bias with load hook 53

Fig. 25: Dimensions of UnoLine Plus BA 251 68

Fig. 26: Dimensions of UnoLine Plus BA 501 69

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

Designation Document

Declaration of conformity A component of these operating instructions

1.1.2 Variants

These instructions are applicable for UnoLine Plus vacuum pumps.

●BA 251

●BA 501

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.

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.

About this manual

7/72

Note

Tip

1.3.3 Stickers on product

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

D-35614 Asslar

Mod.

P/N

S/N

BA 251

PK C42 xxx

xxxxxxxx

Oil

S(N )

Mass

230/400 V ±5% 50 Hz

265/460 V ±5% 60 Hz

Made in Germany 2021/10

P3 17l

max. 250 m /h

max. 490 1/min

570 kg

D-35614 Asslar

Mod.

P/N

S/N

BA 501

PK C43 xxx

xxxxxxxx

Oil

S(N )

Mass

400/690 V ±5% 50 Hz

460V ±5% 60 Hz

Made in Germany 2021/10

P3 45l

max. 500 m /h

max. 345 1/min

1100 kg

Rating plate (example)

Rating plate of the rotary vane vacuum pump

Motor rating plate (not shown)

ACHTUNG!

Vor dem Einfüllen des Öles Drehrichtung der

Pumpe prüfen!

ATTENTION!

Before filling in the oil check direction of

rotation of the pump!

ATTENTION!

Avant remplir l’huile vérifier le sense de rotation

de la pompe!

Sticker (yellow) – three-phase motor only

Attention! Check the direction of rotation of the rotary vane

pump before filling with operating fluid

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 rotary vane pump with operating fluid before commis-

sioning

Achtung!

nur mit F5 befüllen

Attention!

only F5 to be used

Sticker (orange) – special operating fluid only

Caution: fill with F5 only

Warning hot surface

This sticker warns of injuries caused by high temperatures

as a result of contact without protection during operation.

Warning: Danger of drawing in at the belt drive

This sticker warns against injuries that can result from

reaching into the belt drive during operation or maintenance

work.

Arrow indicating direction of rotation

The direction of rotation arrow indicates the required motor

rotation direction.

Tbl. 1: Stickers on product

About this manual

8/72

4,5

Fig. 1: Position of the stickers on the product

1 Hot surface warning sign 5 Sticker: Check direction of rotation

2 Rating plate of the rotary vane vacuum pump 6 Arrow indicating direction of rotation

3 Notice: Fill up operating fluid 7 Warning symbol: Danger of drawing in at the

belt drive

4 Notice: Operating fluid F5 optional

1.3.4 Abbreviations

Abbreviation Explanation

OI Operating instructions

DN Nominal diameter (diamètre nominal)

FKM Fluorinated rubber

INRated current

Imax Maximum current

ISO Flange: Connection in accordance with ISO 1609 and ISO 2861

PE Protective earth (earthed conductor)

ODK Operating fluid return line (oil drain kit)

PTC Temperature-dependent resistor (positive temperature coefficient)

OME Oil mist filter (oil mist eliminator)

RSSR Radial shaft seal ring

WAF Width Across Flats

MM Maintenance manual

Tbl. 2: Abbreviations used in this document

1.3.5 Trademark proof

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

About this manual

9/72

2 Safety

2.1 General safety information

The following 4 risk levels and 1 information level are taken into account in this document.

DANGER

Immediately pending danger

Indicates an immediately pending danger that will result in death or serious injury if not observed.

►Instructions to avoid the danger situation

WARNING

Potential pending danger

Indicates a pending danger that could result in death or serious injury if not observed.

►Instructions to avoid the danger situation

CAUTION

Potential pending danger

Indicates a pending danger that could result in minor injuries if not observed.

►Instructions to avoid the danger situation

NOTICE

Danger of damage to property

Is used to highlight actions that are not associated with personal injury.

►Instructions to avoid damage to property

Notes, tips or examples indicate important information about the product or about this docu-

ment.

2.2 Safety instructions

All safety instructions in this document are based on the results of the risk assessment carried out in

accordance with Machinery Directive 2006/42/EC Annex I and EN ISO 12100 Section 5. Where applica-

ble, all life cycle phases of the product were taken into account.

Risks during transport

WARNING

Risk of serious injury from swinging, toppling or falling objects

During transport, there is a risk of crushing and impact on swinging, toppling or falling objects. There

is a risk of injuries to limbs, up to and including bone fractures and head injuries.

►Secure the danger zone if necessary.

►Pay attention to the center of gravity of the load during transport.

►Ensure even movements and moderate speeds.

►Observe safe handling of the transport devices.

►Avoid sloping attachment aids.

►Never stack products.

►Wear protective equipment, e.g. safety shoes.

Safety

10/72

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