vacuubrand RE 2.5 User manual

Instructions for use
OI no.: 20901559Original instructions EN
RE 2.5
RZ 2.5
RE 6
RZ 6
Rotary Vane Pump

Manufacturer:
VACUUBRAND GMBH + CO KGVACUUBRAND GMBH + CO KG
Alfred‑Zippe‑Str. 4Alfred‑Zippe‑Str. 4
97877 Wertheim97877 Wertheim
GERMANYGERMANY
Phone:
Head o󰀩ce [phone]‑0
Sales [phone]‑5550
Service [phone]‑5660
Fax: [phone]‑5555
Email: [email protected]
Web: www.vacuubrand.com
220901559_EN_RE_RZ_V7_230523
Original instructions
Keep for further use!
This manual is only to be used and distributed in its complete and original form. It is strictly the user’s responsibility to
carefully check the validity of this manual with respect to the product.
Thank you for purchasing this product from VACUUBRAND GMBH + CO KGVACUUBRAND GMBH + CO KG. You have chosen a modern and
technically high quality product.
Imprint

Contents
320901559_EN_RE_RZ_V7_230523
1 Introduction 5
1.1 User information.................................5
1.2 About this document..............................6
1.2.1 Manual structure .............................6
1.2.2 Display conventions ..........................7
1.2.3 Symbols and icons ...........................8
1.2.4 Handling instructions (action steps)...............9
1.2.5 Abbreviations ..............................10
1.2.6 Term denitions.............................10
2 Safety information 11
2.1 Usage........................................11
2.1.1 Intended use ...............................11
2.1.2 Improper use...............................12
2.1.3 Foreseeable misuse............................ 12
2.2 Obligations ....................................13
2.2.1 Operator obligations .........................13
2.2.2 Personnel obligations ........................14
2.3 Target group description..........................14
2.4 General safety information ........................15
2.4.1 Safety precautions ..........................15
2.4.2 Protective clothing...........................16
2.4.3 Laboratory and working materials...............16
2.4.4 Chemical compatibility of materials..............18
2.4.5 Eliminate sources of danger ...................18
2.5 Motor protection ................................23
2.6 Disposal ......................................23
3 Product description 25
3.1 Basic conguration of rotary vane pump series ..........26
3.2 Rotary vane pump series............................27
3.3 Optional accessories ............................28
3.4 Application example .............................30
4 Installation and connection 31
4.1 Transport .....................................31
4.2 Set up the vacuum pump .........................32
4.3 Connection ....................................34
4.3.1 Vacuum connection (IN) ......................34
4.3.2 Outlet connection (OUT)......................36
4.3.3 Electrical connection.........................37
4.4 Oil level check .................................39
TABLE OF CONTENTS

Contents
420901559_EN_RE_RZ_V7_230523
5 Commissioning (operation) 41
5.1 Switch on .....................................41
5.2 Operation .....................................41
5.2.1 Operation with gas ballast.....................43
5.2.2 Condensate in catchpots (optional)..............45
5.3 Switch o󰀨 .....................................46
5.4 Shutdown (storage)..............................46
6 Troubleshooting 49
6.1 Technical support ...............................49
6.2 Error – Cause – Remedy .........................50
7 Cleaning and maintenance 53
7.1 Information on maintenance work ..................54
7.2 Cleaning ......................................55
7.3 Oil change ....................................56
7.4 Replacing the device fuses........................60
8 Appendix 61
8.1 Technical data .................................61
8.2 Rating plate ...................................65
8.3 Wetted materials................................65
8.4 Ordering information.............................66
8.5 Index.........................................69
8.6 EC Declaration of conformity ......................71
8.7 UKCA Declaration of conformity ...................72
8.8 CU Certicate .................................73
8.9 Declaration of conformity – China RoHS 2............74

520901559_EN_RE_RZ_V7_230523
Introduction
11 IntroductionIntroduction
This manual is part of your product. The manual applies to all
versions of the vacuum pump and is intended in particular for
laboratory sta󰀨.
1.11.1 User informationUser information
Safety
Read this manual thoroughly and completely before using the
product.
Keep this manual in an easily accessible location.
Correct use of the product is essential for safe operation. Comply
with all safety information provided!
In addition to this manual, adhere to the accident prevention
regulations and industrial safety regulations applicable in the
country of use.
General
If passing the product on to a third party, also give them this
manual.
The illustrations in this manual are only intended to facilitate
comprehension.
We reserve the right to make technical changes in the course of
continuous product improvement.
For easier readability, the general term vacuum pumpvacuum pump is used
as an equivalent to and instead of the product name rotary vanerotary vane
pump Rx ypump Rx y.
Copyright
The content of this manual is protected by copyright. Only copies
for internal use are allowed, e.g., for professional training.
© VACUUBRAND GMBH + CO KG© VACUUBRAND GMBH + CO KG
Instructions for use
and safety
General information
Copyright © and
copyright law

6 20901559_EN_RE_RZ_V7_230523
Introduction
Contact
If your manual is incomplete, you can request a replace‑
ment. Alternatively, you can use our download portal:
www.vacuubrand.com
You are welcome to contact us at any time in writing or by
telephone if you would like more information, have questions
about our products or wish to share feedback with us.
When contacting our Service Department, please have the
serial number and product type at hand 
see Rating plateRating plate on
the product.
1.21.2 About this documentAbout this document
1.2.11.2.1 Manual structureManual structure
The manual has a modular structure with separate instruction
modules for the vacuum pump and any accessories.
Instruction module
123
1Safety information for vacuum equipment
2Description: Vacuum pump – connection, operation, service
3Optional description: Accessories
Contact us
Specic information
Vacuum pump and
modular instruction
manuals
Description

720901559_EN_RE_RZ_V7_230523
Introduction
1.2.21.2.2 Display conventionsDisplay conventions
Warning levels
DANGERDANGER
Indicates an imminent hazardous situation.
Disregarding the situation could result in extremely
serious injury or death.
> Take appropriate action to avoid dangerous
situations!
WARNING
Warns of a potentially hazardous situation.
Disregarding the situation could result in serious injury
or death.
> Take appropriate action to avoid dangerous
situations!
CAUTION
Indicates a potentially hazardous situation.
Disregarding the situation could result in minor injury or
damage to property.
> Take appropriate action to avoid dangerous
situations!
NOTENOTE
Indicates a potentially harmful situation.
Disregarding the situation could result in damage to property.
Additional notes
>Information or specic recommendation which must be
observed.
>Important information for trouble‑free operation of your product.
>Helpful tips + tricks
>Additional information
Presentation
conventions
IMPORTANT!

820901559_EN_RE_RZ_V7_230523
Introduction
1.2.31.2.3 Symbols andSymbols and iconsicons
This manual uses symbols and icons. Safety symbols indicate
specic risks associated with handling the product. Symbols and
icons are designed to help you identify risks more easily.
Safety symbols
Hazardous substance –
hazards to human health. General prohibition sign.
General warning symbol. Warning: hot surface.
Danger: electricity.
General mandatory sign. Disconnect power plug.
Wear chemical‑resistant
protective gloves. Wear protective goggles.
Additional symbols and icons
Refers to content in this
manual.
Refers to content in other
supplementary documents.
Electric/electronic devices must not be disposed of in
domestic waste at the end of their service life.
Ensure su󰀩cient air
circulation.
Explanation
of safety symbols
Additional
symbols

920901559_EN_RE_RZ_V7_230523
Introduction
1.2.41.2.4 Handling instructions (action steps)Handling instructions (action steps)
Instructions (single step)
>Perform the step described.
5Result of action
Instructions (multiple steps)
1. 1. First step
2. 2. Next step
5Result of action
Instructions (shown graphically)
1 2
1. 1. First step 2. 2. Next step
5Result of action
>Perform the steps in the order described.
Action steps as text
Schematic diagram
Action steps as
graphics

10 20901559_EN_RE_RZ_V7_230523
Introduction
1.2.51.2.5 AbbreviationsAbbreviations
DN Nominal diameter
FKM Fluoroelastomer
IN Inlet, vacuum connection
KF Small ange
max. Maximum
min. Minimum
NBR Nitrile butadiene rubber
OUT Outlet
PBT Polybutylene terephthalate
PEEK Polyether ether ketone
PPS Polyphenylene sulde
Resp. Responsible
RMA no. Return Merchandise Authorization number
1.2.61.2.6 Term denitionsTerm denitions
Fine vacuum Pressure range in vacuum technology, from:
1 mbar – 0.001 mbar (0.75 Torr – 0.00075 Torr)
Rough vacuum Pressure range in vacuum technology, from:
atmospheric pressure – 1 mbar
(atmospheric pressure – 0.75 Torr)
VACUU·VIEW
extended
External vacuum sensor with VACUU·BUS
port, 1100 – 0.001 mbar.
`with own plug‑in power supply
Abbreviations
Product‑specic
terms

1120901559_EN_RE_RZ_V7_230523
Safety information
22 Safety informationSafety information
The information in this chapter must be observed by everyone
who works with the product described here.
The safety information is valid for the entire life cycle of the product.
2.12.1 UsageUsage
Only use the product if it is in perfect working condition.
Only use the product with oil lling.
2.1.12.1.1 Intended useIntended use
The rotary vane pump is an oil‑sealed vacuum pump for the ne
vacuum range in the laboratory. The vacuum pump may only be
used indoors in a dry, non‑explosive atmosphere.
Intended use also includes:
observing the information in the document Safety information
for vacuum equipment,
observing the manual,
complying with all notes on correct vacuum and electrical con‑
nections, see chapter: 4.3 Connection on page 344.3 Connection on page 34,
observing the manual of connected components,
operating the vacuum pump only within its limitation of use,
see chapter: Observe limitation of use on page 33Observe limitation of use on page 33,
ensuring adequate ventilation, especially if installing the vacuum
pump in a cabinet or a housing, and installing an external auto‑
matic ventilation system if necessary,
observing the maximum permitted gas temperature at the inlet,
regularly inspecting the vacuum pump according to its operating
conditions and have this carried out by qualied personnel,
regularly replacing wear parts,
using the vacuum pump and all system parts only for generation
of vacuum in vessels designed for that purpose,
using only original VACUUBRANDVACUUBRAND parts and original or approved
accessories or spare parts. The CE mark or the cTÜVus mark
(see rating plate) may be voided if not using original manufactur‑
er’s spare parts.
Intended use

12 20901559_EN_RE_RZ_V7_230523
Safety information
Any other use is considered improper use.
2.1.22.1.2 Improper useImproper use
Incorrect use or any application which does not correspond to the
technical data may result in injury or damage to property.
Improper use includes:
using the product contrary to its intended use,
using the product in non‑commercial environments, unless the
necessary protective measures and precautions have been taken
by the company,
operation under inadmissible environmental and operating
conditions,
operation despite obvious errors or defective safety devices,
operation without oil lling,
unauthorized extensions, conversions, or repairs, in particular when
these impair safety,
the use of unauthorized accessories or spare parts,
usage despite incomplete assembly,
operation by insu󰀩ciently trained or qualied personnel,
switching on/o󰀨 with tools or one's foot,
operation with sharp‑edged objects,
pulling plug‑in connections on the cable out of the socket,
extracting or conveying solids, dusts, or liquids.
2.1.32.1.3 Foreseeable misuseForeseeable misuse
In addition to improper use, there are types of use which are pro‑
hibited when handling the product:
Prohibited types of use include, in particular:
use on humans or animals,
use on equipment and vessels which are not vacuum proof,
installation and operation in potentially explosive atmospheres,
pumping of potentially explosive atmospheres,
use in mines or underground,
pumping oxidizing and pyrophoric substances, liquids or solids,
Improper
use
Misuse

1320901559_EN_RE_RZ_V7_230523
Safety information
pumping hot, unstable, or explosive media,
pumping self inammable substances,
pumping substances which are inammable without air,
pumping substances which may react explosively under impact
and/or elevated temperature without an air supply,
pumping substances which may form deposits inside the vacuum
pump,
pumping liquids,
unauthorized modications,
switching on/o󰀨 with tools or one's foot,
operation with sharp‑edged objects,
using the product to generate pressure,
operation with closed pump outlet,
fully exposing the product to the vacuum, immersing it in liquids,
exposing it to water spray or steam jets.
No foreign bodies, hot gases or ames from the appli-
cation must be allowed to enter the equipment.
see chapter: 8.1 Technical data on page 618.1 Technical data on page 61.
2.22.2 ObligationsObligations
2.2.12.2.1 Operator obligationsOperator obligations
The owner denes the responsibilities and ensures that only
trained personnel or specialists work on the product. This applies
in particular to connection work and troubleshooting.
Users must have the appropriate qualications for the listed
activities, see
Responsibility matrixResponsibility matrix . In particular work on electrical
equipment must be performed only by qualied electricians.
IMPORTANT!
Operator obligations

14 20901559_EN_RE_RZ_V7_230523
Safety information
2.2.22.2.2 Personnel obligationsPersonnel obligations
In the case of activities which require protective clothing, personal
protective equipment as specied by the operator is to be worn.
If the product is not in proper working order, it must be prevented
from being accidentally switched back on.
>Always be conscious of safety and work in a safe manner.
>Observe instructions issued by the operator, and national
regulations on accident prevention and industrial safety.
The way individuals act can help to prevent accidents at
work.
2.32.3 Target group descriptionTarget group description
The manual must be read and observed by every person who is
tasked with the activities described below.
Personnel qualication
OperatorOperator Laboratory sta󰀨, such as chemists, laboratory
technicians
SpecialistSpecialist Person with professional qualication in mechanics,
electrical equipment or laboratory devices
ResponsibleResponsible
specialistspecialist
Specialist with additional specialist, departmental or
area responsibility
Responsibility matrix
Activity Operator Specialist Responsible
specialist
Transport x x x
Installation x x x
Commissioning x x x
Operation x x x
Oil change x x
Replacing the device
fuses
X X
Repair1x x
Repair order x
External cleaning x x x
Personnel
obligations
Target groups
Qualication
description
Responsibility matrix

1520901559_EN_RE_RZ_V7_230523
Safety information
Shutdown x x
Decontamination2x x
1 see also homepage:
VACUUBRAND > Support > Repair instructions
2 Orhavedecontaminationcarriedoutbyaqualiedserviceprovider.
2.42.4 General safety informationGeneral safety information
Products from VACUUBRAND GMBH + CO KG are subject
to stringent quality testing with regard to safety and operation.
Each product undergoes a comprehensive test program prior to
delivery.
>Observe the instructions for all actions as specied in this
manual.
2.4.12.4.1 Safety precautionsSafety precautions
>Use your product only if you have understood its function and
this manual.
>Replace defective parts immediately, e.g., a broken power
cord, or faulty hoses.
>Use only original accessories and components which are
designed for the vacuum technology, such as a vacuum hose,
vacuum valve, etc.
>When handling contaminated parts, follow the relevant
regulations and protective measures; this also applies to
equipment sent in for repair.
Prior to returning any product to our Service
Department for repair, contamination from hazardous
substances needs to be excluded.
>Therefore, send us the carefully completed and signed
Health and Safety Clearance certicate before sending your
product for repair
Quality standard and
safety
Safety precautions
IMPORTANT!

16 20901559_EN_RE_RZ_V7_230523
Safety information
2.4.22.4.2 Protective clothingProtective clothing
No special protective clothing is required to operate the vacuum
pump. Observe instructions issued by the operator for your work‑
place.
During cleaning, we recommend wearing chemical‑resistant
protective gloves, protective clothing, and protective goggles.
>When handling chemicals and pump oils, wear your personal
protective equipment.
2.4.32.4.3 Laboratory and working materialsLaboratory and working materials
DANGERDANGER
Hazardous substances could be discharged at
the outlet.
The discharge from the pump invariably contains the
pumped gases or vapors. During aspiration, hazard‑
ous, toxic substances at the outlet can get into the am‑
bient air.
> Observe the relevant safety regulations for safe
handling of hazardous substances.
> Please note that residual process media may pose a
danger to people and the environment.
> Mount and use suitable separators, lters or fume
hood devices.
>In case of a leak in the manifold or at the shaft seal, pumped
substances might be released into the environment or into the
pump housing or motor.
Prevent the release of hazardous, toxic, explosive, corrosive
uids, gases, or vapors or those that are harmful to health or
the environment, or of oil vapors, for example through suit‑
able laboratory facilities with a fume hood and ventilation con‑
trol.
Protective clothing
IMPORTANT!

1720901559_EN_RE_RZ_V7_230523
Safety information
DANGERDANGER
Occurrence of explosive mixtures in the
vacuum pump or at the outlet.
Mechanically generated sparks, hot surfaces or static
electricity may ignite explosive mixtures.
> Prevent any formation of explosive mixtures in the
expansion chamber, in the oil reservoir, or at the out‑
let of the pump.
> Connect inert gas for gas ballast or venting.
> Drain appropriately or otherwise remove any poten‑
tially explosive mixtures at the outlet of the pump.
> Dilute any potentially explosive mixtures at the outlet
of the pump to non‑explosive concentrations.
>Comply with applicable regulations when disposing of chemi‑
cals. Take into consideration that chemicals may be contami‑
nated.
>Wear your personal protective equipment and take precau‑
tions to avoid contact with the skin, inhalation, and possible
irritations.
Hazards due to di󰀨erent substances
Pumping di󰀨erent substances or media can cause the substances
to react with one another.
>Be aware of interactions and possible chemical reactions of
the pumped media.
>Purge the vacuum pump with ambient air or inert gas before
changing the medium to be pumped. Thereby you will pump
residues out of the vacuum pump and reduce the possibili‑
ty of reactions of the pumped substances with each other and
with the pump’s materials.
Pumping di󰀨erent
substances

18 20901559_EN_RE_RZ_V7_230523
Safety information
2.4.42.4.4 Chemical compatibility of materialsChemical compatibility of materials
CAUTION
Deposits and condensate inside the vacuum
pump.
Deposits and condensate in the pump may lead to in‑
creased temperatures even to the point of exceeding
the maximum permitted temperatures. Deposits may
cause seizing of the pump unit.
> Check the inlet and outlet of the vacuum pump for
deposits.
> Check the oil condition.
> Inspect the pump unit regularly, if there is a danger of
forming deposits inside the vacuum pump. Clean the
pump unit if necessary.
Working materials which get into the vacuum pump with the gas
ow can damage the vacuum pump. Substances can be deposited
in the vacuum pump.
>Check the compatibility of the pumped substances with the
wetted materials of the vacuum pump
see chapter: 8.3 Wetted materials on page 658.3 Wetted materials on page 65.
>Install a cold trap in front of the vacuum pump if pumping
aggressive or corrosive gases or vapors.
2.4.52.4.5 Eliminate sources of dangerEliminate sources of danger
Connect the tubing correctly
No inadmissible pressure must be created at the vacuum pump
outlet, see chapter: 8.1 Technical data on page 618.1 Technical data on page 61.
>Always ensure that the outlet line is clear and has no back
pressure. The outlet must not be blocked, to ensure that
gases can exit freely.
>Prevent uncontrolled overpressure (e.g., due to a locked or
blocked piping system, condensate, or clogged outlet line).
>Do not operate the pump with closed outlet. Closing the outlet
during operation may cause damage to pump or components
next in line.
Compatibility of the
vacuum pump with
pumped substances
Avoid overpressure

1920901559_EN_RE_RZ_V7_230523
Safety information
>Due to the high compression ratio, the pump may generate
overpressure at the outlet. Check pressure compatibility with
system components (e. g., exhaust pipeline) at the pump out‑
let.
>At the gas connections, the connections for the inlet and
outlet must not be mixed up.
>Hose connections at the vacuum pump inlet and outlet must
always be gas tight.
>Observe the maximum pressures at the inlet and outlet of the
vacuum pump, as specied in chapter 8.1 Technical data on8.1 Technical data on
page 61page 61.
>The system to be evacuated as well as all hose connections
must be mechanically stable.
>Attach hoses to hose nozzles so that they do not come loose
unintentionally.
Usage of pump oil
The vacuum pump is oil‑sealed.
WARNING
Oil vapors at the outlet of the vacuum pump.
Even if the pumped medium is only air or a pure gas,
the discharge from rotary vane pumps will contain
small quantities of oil vapor and petroleum fractions.
These substances are particularly contaminating in
closed spaces or in case of insu󰀩cient ventilation.
> Ensure that the pump location is well ventilated.
> Do not inhale oil vapors.
> Connect a gas‑tight exhaust line at the pump outlet.
Always vent exhaust gases appropriately (e. g., into
a fume hood).
> Prevent any dangerous reactions with oil or oil
vapors and the formation of impermissible or danger‑
ous emissions.
>Comply with all relevant statutory requirements and regula‑
tions concerning the handling, storage and disposal of oil.
>Do not allow oils to enter the drainage system or other bodies
of water.
>Do not spill oil. Clean up spilled oil immediately. Spillage can
cause accidents (slip hazard)!
Usage of pump oil

20 20901559_EN_RE_RZ_V7_230523
Safety information
>Operate the vacuum pump only with oil lling.
>Check the oil level through the sight glass every time before
starting the pump.
>Check the pump’s oil level and the condition of the oil on a
regular basis, see chapter: Oil level check on page 42Oil level check on page 42.
>Use only oil of the recommended type. Other oils or operating
uids may cause damage of the pump or danger.
>Use special oils for the rotary vane pump, if extremely high
aging stability is required or if oxygen or other strong oxidiz‑
ing agents are pumped, see chapter: 7.3 Oil change on7.3 Oil change on
page 56page 56.
>Wear your personal protective equipment when working with
pump oils to avoid contact with the skin and possible irritations.
Prevent condensate return
Condensate in the outlet line can damage the vacuum pump.
Condensate must not ow back into the outlet or vacuum pump
through the hose line. Liquid must not accumulate inside the outlet
line.
>Preferably route the outlet line with a fall from the outlet, i.e.,
running downward so that no backup forms.
Prevent foreign bodies inside the pump
Particles, liquids, and dust must not enter the vacuum pump.
>Do not pump any substances which could form deposits
inside the vacuum pump.
>Install suitable lters upstream of the inlet. Suitable lters are
chemically resistant, clog‑proof and have a reliable ow rate,
for example.
>Replace porous vacuum hoses without delay.
Hazards during venting
If the manual gas ballast valve of the rotary vane pump is open,
a power failure or switching o󰀨 the pump may cause accidental
ventilation of the pump or the vacuum system.
>Install a solenoid operated gas ballast valve to avoid acciden‑
tal ventilation.
Condensate in the
outlet line
Foreign bodies
Hazards during
venting