Pfeiffer Vacuum HENA 201 User manual

OPERATING INSTRUCTIONS

Translation of the Original

HENA 201 | 251 | 301 | 301 S

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.

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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 9

2 Safety 10

2.1 General safety instructions 10

2.2 Safety instructions 10

2.3 Safety precautions 13

2.4 Limits of use of the product 14

2.5 Proper use 14

2.6 Foreseeable improper use 14

2.7 Personnel qualification 14

2.7.1 Ensuring personnel qualification 15

2.7.2 Personnel qualification for maintenance and repair 15

2.7.3 Advanced training with Pfeiffer Vacuum 15

3 Product description 16

3.1 Function 16

3.1.1 Operating fluid 16

3.1.2 Operating fluid return via the float valve 17

3.1.3 Cooling 17

3.1.4 Gas ballast 17

3.2 Identifying the product 17

3.3 Product features 17

3.4 Scope of delivery 17

4 Transportation and Storage 18

4.1 Transporting the vacuum pump 18

4.2 Storing the vacuum pump 19

5 Installation 20

5.1 Installing the vacuum pump 20

5.2 Connecting the vacuum side 20

5.3 Connecting the exhaust side 21

5.4 Filling the operating fluid 21

5.5 Connect the oil/water heat exchanger 22

5.6 Establishing mains connection 24

5.6.1 Connect three phase motor with 12-pin terminal board 24

5.6.2 Connect three phase motor with 6-pin terminal board 25

5.6.3 Frequency inverter for vacuum pumps with 3-phase motor 25

5.6.4 Checking the direction of rotation 26

5.6.5 Setting the motor protection switch 26

5.6.6 Connecting the PTC thermistor tripping unit 27

6 Operation 28

6.1 Putting the vacuum pump into operation 28

6.2 Switching on the vacuum pump 28

6.3 Operating the rotary vane pump with gas ballast 29

6.4 Refilling operating fluid 30

Table of contents

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6.5 Switching off the vacuum pump 31

7 Maintenance 32

7.1 Maintenance instructions 32

7.2 Checklist for inspection and maintenance 32

7.3 Changing the operating fluid 34

7.3.1 Determine degree of aging of P3 operating fluid 34

7.3.2 Changing the operating fluid 35

7.3.3 Rinsing and cleaning the rotary vane vacuum pump 36

7.3.4 Changing the operating fluid filter 37

7.4 Change the exhaust filter in the operating fluid separator 37

7.4.1 Dismantling the exhaust filters 38

7.4.2 Mounting the exhaust filters 39

7.5 Cleaning the intake strainer 40

7.6 Cleaning the gas ballast filter 40

7.7 Changing the operating fluid type 41

8 Decommissioning 42

8.1 Shutting down for longer periods 42

8.2 Recommissioning 42

8.3 Disposing of the vacuum pump 42

9 Malfunctions 43

10 Service solutions from Pfeiffer Vacuum 45

11 Spare parts 47

11.1 Ordering spare parts packs 47

11.2 Operating fluids – Maintenance level 1 47

11.3 Maintenance kit – maintenance level 2 47

11.4 Overhaul kit – maintenance level 3 48

11.5 Set of seals 48

11.6 Set of vanes 48

11.7 Coupling set 48

12 Accessories 49

12.1 Accessory information 49

12.2 Ordering accessories 49

13 Technical data and dimensions 50

13.1 General 50

13.2 Technical data 50

13.3 Dimensions 52

Declaration of conformity 58

Table of contents

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List of tables

Tbl. 1: Stickers on the product 8

Tbl. 2: Abbreviations used in this document 9

Tbl. 3: Limits of use of the product 14

Tbl. 4: Features of the rotary vane pumps 17

Tbl. 5: Requirements on the cooling water composition 23

Tbl. 6: Motor protection switch setting values for Hena 201 (from index "A") 26

Tbl. 7: Motor protection switch setting values for Hena 251 | Hena 301 (from index

"A")

Tbl. 8: Maintenance intervals 33

Tbl. 9: Troubleshooting for rotary vane pumps 44

Tbl. 10: Spare parts packages Hena 201 47

Tbl. 11: Spare parts packages Hena 251 | Hena 301 | Hena 301 S 47

Tbl. 12: Consumables 47

Tbl. 13: Accessories 49

Tbl. 14: Consumables 49

Tbl. 15: Conversion table: Pressure units 50

Tbl. 16: Conversion table: Units for gas throughput 50

Tbl. 17: Technical data Hena 201 | Hena 251 51

Tbl. 18: Technical data Hena 301 | Hena 301 S 52

List of tables

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List of figures

Fig. 1: Position of the stickers on the product 8

Fig. 2: Operating principle 16

Fig. 3: Structure of the rotary vane pump 16

Fig. 4: Transporting the vacuum pump 18

Fig. 5: Minimum distances to the lateral limitations (top view) 20

Fig. 6: Filling the operating fluid 22

Fig. 7: Cooling water connection 23

Fig. 8: Double star circuit 24

Fig. 9: Delta connection 24

Fig. 10: Star circuit 25

Fig. 11: Delta connection 25

Fig. 12: Star circuit 25

Fig. 13: Connection example with PTC thermistor tripping unit 27

Fig. 14: Gas ballast valve 30

Fig. 15: Refilling operating fluid 30

Fig. 16: Draining the operating fluid 36

Fig. 17: Changing the operating fluid filter 37

Fig. 18: Dismantling the exhaust filters 38

Fig. 19: Mounting the exhaust filters 39

Fig. 20: Dismantling / assembling the intake strainer 40

Fig. 21: Cleaning the gas ballast filter 41

Fig. 22: Dimensions Hena 201 | Three phase motor IE3 53

Fig. 23: Dimensions Hena 251 | Three phase motor IE3 54

Fig. 24: Dimensions Hena 301 | Three phase motor IE3 55

Fig. 25: Dimensions Hena 301 | Three phase motor IE3 and oil/water heat exchang-

Fig. 26: Dimensions Hena 301 S | Three phase motor IE3 57

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

These operating instructions are for customers of Pfeiffer Vacuum. They describe the function of the

designated product and provide the most important information for safe usage of the product. The de-

scriptions comply with applicable directives. All information provided in these operating instructions refer

to the current development status of the product. The documentation remains valid as long as the cus-

tomer does not modify the product in any way.

1.1.1 Applicable documents

Document Number

Declaration of conformity A component of these instructions

You can find this document in the Pfeiffer Vacuum Download Center.

1.1.2 Variants

These instructions apply to HenaLine vacuum pumps.

Pump type Pump version

Hena 201 Standard version of rotary vane pump

Hena 251 Standard version of rotary vane pump

Hena 301 Standard version of rotary vane pump

Rotary vane pump with water cooling

Hena 301 S Rotary vane pump with limited intake pressure

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.

About this manual

7/60

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 meaning.

D-35614 Asslar

Mod.

P/N

S/N

Hena 201

PK D03 455 A

xxxxxxxxx

Made in Switzerland 2019/08

Oil

S (N )

Mass

P3 6.5 l

max. 360.0 m /h

max. 1800 1/min

227.0 kg

Rating plate (example)

Rating plate of the rotary vane vacuum pump

Motor rating plate (not shown)

Warning hot surface

This sticker warns of injuries caused by high temperatures in case of touching

without protection during operation.

Operating instructions note

This sticker indicates that this operating instructions must be read before per-

forming any tasks.

Arrow indicating direction of rotation

The direction of rotation arrow indicates the required motor rotation direction.

Tbl. 1: Stickers on the product

12 3 4

Fig. 1: Position of the stickers on the product

1 Rating plate of the rotary vane vacuum pump 3 Operating instructions note

2 Hot surface warning sign 4 Arrow indicating direction of rotation

About this manual

8/60

1.3.4 Abbreviations

Abbreviation Meaning in this document

BA Operating instructions

ID Internal diameter

IE3 Efficiency of the electric motors (premium efficiency class)

N.N. Mean sea level

PE Earthed conductor (protective earth)

PTC Temperature-dependent resistor (positive temperature coefficient)

PVC Polyvinyl chloride (PVC)

WAF width across flats

RSSR Radial shaft seal ring

MM Maintenance manual

Tbl. 2: Abbreviations used in this document

1.4 Trademark proof

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

About this manual

9/60

2 Safety

2.1 General safety instructions

This document includes the following 4 risk levels and 1 information level.

DANGER

Imminent danger

Indicates a hazardous situation which, if not avoided, will result in death or serious injury.

►Instructions on avoiding the hazardous situation

WARNING

Possibly imminent danger

Indicates a hazardous situation which, if not avoided, could result in death or serious injury.

►Instructions on avoiding the hazardous situation

CAUTION

Possibly imminent danger

Indicates a hazardous situation which, if not avoided, could result in minor or moderate injury.

►Instructions on avoiding the hazardous situation

NOTICE

Danger of property damage

Notice is used to address practices not related to physical injury.

►Instructions on avoiding property damage

Notes, tips or examples indicate important information on the product or on this document.

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 DIN EN ISO 12100 Section 5. Where ap-

plicable, 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

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