Pfeiffer Vacuum HENA 201 User manual

OPERATING INSTRUCTIONS

Translation of the Original

HENA 201 | HENA 251 | HENA 301/301 S

Rotary vane pump

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Table of contents

1 About this manual 5

1.1 Validity 5

1.1.1 Related documents 5

1.1.2 Variants 5

1.2 Target group 5

1.3 Conventions 6

1.3.1 Abbreviations 6

1.3.2 Pictographs 6

1.3.3 Product sticker 6

1.3.4 Symbols used 6

1.3.5 Instructions in the text 7

2 Safety 8

2.1 General safety instructions 8

2.2 Safety instructions 8

2.3 Safety precautions 10

2.4 Product limits of use 11

2.5 Proper use 11

2.6 Foreseeable improper use 11

3 Product description 12

3.1 Product identification 12

3.2 Shipment 12

3.3 Function 12

3.3.1 Operating principle 13

3.3.2 Operating fluid return via the float valve 14

4 Transportation and Storage 15

4.1 Transport 15

4.2 Storage 15

5 Installation 17

5.1 Installing the vacuum pump 17

5.2 Connecting the vacuum side 17

5.3 Connecting the exhaust side 18

5.4 Establishing mains connection 18

5.4.1 Three phase motor with 12-pin terminal board 19

5.4.2 Three phase motor with 6-pin terminal board 20

5.4.3 Checking the direction of rotation 20

5.4.4 Motor protection 21

PTC thermistor temperature sensor (3TF) 21

Motor protection switch 21

Frequency inverter operation for vacuum pumps with 3-phase mo-

tor

5.5 Refilling operating fluid 22

5.6 Connecting accessories 23

5.6.1 Operating fluid temperature monitoring (option) 23

5.6.2 Operating fluid level monitoring (option) 24

5.6.3 Connecting a heat exchanger (optional) 25

6 Operation 28

6.1 Commissioning 28

6.2 Switching on 28

6.3 Operating the rotary vane pump with gas ballast 29

6.3.1 Gas ballast valve – standard version 29

6.3.2 Gas ballast valve – retrofit kit with solenoid valve 29

6.4 Refilling operating fluid 30

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6.5 Switching off the vacuum pump 31

6.5.1 Venting the vacuum chamber 31

6.5.2 Maintaining the vacuum in the chamber 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 Draining the operating fluid 35

7.3.3 Rinsing and cleaning 36

7.3.4 Changing the operating fluid filter 36

7.4 Change the exhaust filter in the operating fluid separator 37

7.5 Cleaning the intake strainer 39

7.6 Cleaning the gas ballast filter 39

7.7 Changing operating fluid type 40

8 Decommissioning 41

8.1 Shutting down for longer periods 41

8.2 Recommissioning 41

8.3 Disposing of the vacuum pump 41

9 Malfunctions 42

10 Service solutions from Pfeiffer Vacuum 44

11 Spare parts 46

11.1 Spare parts packs 46

11.1.1Operating fluids – maintenance level 1 46

11.1.2Maintenance kit – maintenance level 2 47

11.1.3Set of seals 47

11.1.4Overhaul kit and set of seals 47

11.1.5Set of vanes 47

11.1.6Coupling set 47

12 Technical data and dimensions 48

12.1 General 48

12.2 Technical data 48

12.3 Dimensions 51

13 Accessories 55

Declaration of conformity 56

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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 Related documents

Hena 201/251/301/301 S Operating instructions

Declaration of conformity A part of this document

Current documents are available from the Pfeiffer Vacuum Download Center.

1.1.2 Variants

These instructions apply to HenaLine series vacuum pumps:

Pump type Pump version

Hena 201

Hena 251

Hena 301

Pump in standard version

●Vacuum connection and gas outlet: G2"

●Operating fluid return via the float valve

●Motor protection via 3 TF at three phase motors

●Gas ballast valve

●4 exhaust filters

Hena 301 S Pump with limited intake pressure:

●3 exhaust filters

●max. continuous intake pressure ≤ 100 hPa

1.2 Target group

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

●transport,

●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.

About this manual

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1.3 Conventions

1.3.1 Abbreviations

Abbreviation Meaning in this document

RSSR Radial shaft seal ring

3TF PTC positive temperature coefficient

PE Earthed conductor (protective earth)

Tbl. 1: Abbreviations used in this document

1.3.2 Pictographs

Pictographs used in the document indicate useful information.

Note

Tip

1.3.3 Product sticker

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

2D-35641 Asslar

Mod.: Hena 201

Mod.-Nr.: PK D03 400 A

Ser.- Nr.: 0014440

S : max. 200/240 m /h

Oil : P3 6.5 l

Mass : 182 kg

n : XXXX 1/min

(N )

max.

Made in Switzerland 2005/01

●Warning

Hot surface

●Sticker

Read the operating instruc-

tions before starting up the

pump.

●Rating plate

The rating plate is located

on the pump housing next

to the sight glass.

●Motor rating plate

The motor rating plate is

located on the motor (not

shown).

Tbl. 2: Product sticker

1.3.4 Symbols used

Vacuum connection

Exhaust connection

Gas ballast connection

Electrical connection

Tbl. 3: Symbols used in this document

About this manual

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1.3.5 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. ...

About this manual

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2 Safety

2.1 General safety instructions

This document includes the following four risk levels and one 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

Danger of serious injury from falling or swinging objects

Falling or swinging objects during transport pose a danger of injuries to limbs, up to and including

bone fractures.

►Prevent people from remaining below the suspended load.

►Secure the danger zone if necessary.

►Avoid diagonal pulling of the crane rope.

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

Safety

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Risks during installation

DANGER

Danger to life from electric shock

Contact with exposed and live elements generate an electric shock. Incorrect connection of the mains

supply leads to the risk of live housing parts that can be touched. There is a risk to life.

►Before the installation, check that the connection leads are voltage-free.

►Make sure that electrical installations are only carried out by qualified electricians.

►Provide adequate grounding for the device.

►After connection work, carry out an earthed conductor check.

CAUTION

Danger of injury from moving parts

After a power failure or a standstill as a result of overheating, the motor restarts automatically. There

is a risk of injury to fingers and hands if they enter the operating range of rotating parts.

►Safely disconnect motor from the mains.

►Secure the motor against reactivation.

►Dismantle the vacuum pump for inspection, away from the system if necessary.

Risks during operation

WARNING

Danger of poisoning due to emission of toxic process gases from the exhaust

During operation with no exhaust line, the vacuum pump allows exhaust gases and vapors to escape

freely into the air. In processes involving toxic media, there is a risk of injury and danger to life due to

poisoning.

►Observe the relevant regulations for handling toxic substances.

►Safely purge toxic process gases via an exhaust line.

►Use suitable filter equipment to separate toxic substances.

WARNING

Risk of burns from ejected hot oil mist

During operation, hot pressurized oil mist escapes from the operating fluid separator.

►Only operate the vacuum pump with the operating fluid filler screw securely fitted.

►Open the locking screws on the separator only while the vacuum pump is switched off.

CAUTION

Risk of injury from bursting due to high pressure in the exhaust line

Faulty or insufficient exhaust lines cause hazardous situations, e.g. increase in exhaust pressure.

There is a risk of bursting. It is not possible to rule out the risk of injuries due to broken pieces flying

around, high escaping pressure and damage to the equipment.

►Lay the exhaust line without shut-off units.

►Observe the permissible pressures and pressure differentials of the product.

►Check the exhaust line regularly for correct function.

CAUTION

Danger of burns on hot surfaces

Depending on the operating and ambient conditions, the surface temperature of the vacuum pump

can increase to above 70 °C.

►Provide suitable touch protection.

Safety

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Risks during maintenance

WARNING

Danger to life from electric shock in the event of a fault

In the event of a fault, devices connected to the mains may be live. There is a danger to life from

electric shock when making contact with live components.

►Always keep the mains connection freely accessible so you can disconnect it at any time.

WARNING

Health hazard through poisoning from toxic contaminated components or devices

Toxic process media result in contamination of devices or parts of them. During maintenance work,

there is a risk to health from contact with these poisonous substances. Illegal disposal of toxic sub-

stances causes environmental damage.

►Take suitable safety precautions and prevent health hazards or environmental pollution by toxic

process media.

►Decontaminate affected parts before carrying out maintenance work.

►Wear protective equipment.

CAUTION

Scalding from hot operating fluid

Danger of burns when draining operating fluid in case of skin contact.

►Wear protective equipment.

►Use a suitable collection receptacle.

CAUTION

Danger of injury from moving parts

After a power failure or a standstill as a result of overheating, the motor restarts automatically. There

is a risk of injury to fingers and hands if they enter the operating range of rotating parts.

►Safely disconnect motor from the mains.

►Secure the motor against reactivation.

►Dismantle the vacuum pump for inspection, away from the system if necessary.

2.3 Safety precautions

Information requirement on possible hazards

The owner or operator of the product is required to make all operating personnel

aware of hazards arising from the use of this product.

Every person who is involved in the installation, operation or maintenance of the

product must have read and understood the safety-relevant parts of this documen-

tation.

Infringement of EU conformity due to modifications to the product

The Declaration of Conformity from the manufacturer is no longer valid if the opera-

tor changes the original product or installs additional equipment.

●Following installation into a system, the operator is required to check and re-

evaluate as necessary the conformity of the overall system in the context of the

relevant EU Directives before commissioning that system.

General safety precautions when handling the product

►Observe all applicable safety and accident prevention regulations.

►Check that all safety measures are observed at regular intervals.

►Do not expose body parts to the vacuum.

►Always ensure a secure connection to the earthed conductor (PE).

►Never disconnect plug connections during operation.

Safety

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