LEYBOLD Ruvac WH 700 Manual de usuario

Part Numbers

155 202 – 155 209V

167 186V

RUVAC WH 700

Roots booster with synthetic oil or PFPE-filling

Installation and Operating Instructions GA03122_002_C0

Contents

GA03122_002_C0 - 10/2016 - © Leybold

Page

0 Important Safety Information 5

0.1 Mechanical Hazards 5

0.2 Electrical Hazards 6

0.3 Thermal Hazards 7

0.4 Hazards Caused by Materials and Substances 7

0.5 Ignition Risk 9

0.6 Noise Hazard 10

0.7 Danger of Damaging the Pump 10

1 Description 12

1.1 Design and Function 12

1.2 Standard Specification 13

1.3 Technical Data 14

1.4 Ordering Information 17

1.5 Accessories 17

2 Transport and Storing 18

3 Installation 20

3.1 Placement 20

3.2 Connection of the Flanges 21

3.3 Filling in of the Lubricant 22

3.4 Conforming Use 22

3.4.1 Non-conforming Use 23

3.5 Connecting the Cooling Water 24

3.5.1 Water Quality 25

3.6 Electrical Connection 26

3.6.1 Checking the Direction of Rotation 33

Contents

GA03122_002_C0 - 10/2016 - © Leybold

These installation and operating instructions are the original instructions.

4 Operation 34

4.1 Start-up 34

4.2 Operation 35

4.2.1 Operation with External Frequency Converter 36

4.3 Switching off and Decommissioning 37

5 Maintenance 38

5.1 Safety Information 38

5.2 Changing the Lubricant 39

5.3 Cleaning the Inlet Screen 41

5.4 Cleaning the Pump Chamber 41

5.5 Service at Leybold 42

5.6 Maintenance Intervals 43

6 Troubleshooting 48

7 Wearing and Original Spare Parts 50

8 Waste Disposal 50

Safety information

GA03122_002_C0 - 10/2016 - © Leybold

Obligation to Provide Information

Before installing and commissioning the pumps, carefully read these

Operating Instructions and follow the information so as to ensure optimum

and safe working right from the start

The Leybold RUVAC WH has been designed for safe and efficient operation

when used properly and in accordance with these Operating Instructions. It is

the responsibility of the user to carefully read and strictly observe all safety

precautions described in this Section and throughout the Operating

Instructions. The pump must only be operated in the proper condition

and under the conditions described in the Operating Instructions. It

must be operated and maintained by trained personnel only. Consult local,

state, and national agencies regarding specific requirements and regulations.

Address any further safety, operation and/or maintenance questions to our

nearest office

DANGER indicates an imminently hazardous situation which, if not avoid-

ed, will result in death or serious injury.

WARNING indicates a potentially hazardous situation which, if not avoided,

could result in death or serious injury.

CAUTION indicates a potentially hazardous situation which, if not avoided,

could result in minor or moderate injury.

NOTICE is used to notify users of installation, operation, programming or

maintenance information that is important, but not hazard related.

We reserve the right to modify the design and the specified data. The illustra-

tions are not binding.

Retain the Operating Instructions for further use.

NOTICE

DANGER

WARNING

CAUTION

NOTICE

Safety information

GA03122_002_C0 - 10/2016 - © Leybold

0 Important Safety Information

0.1 Mechanical Hazards

1 Avoid exposing any part of the human body to the vacuum.

2 Even during standstill of the RUVAC it is dangerous to grasp into the

pump casing. Fingers can easily be squeezed between impellers due

to the high inertia of the parts. Please use caution when grasping into

the pump and make sure that the pump is secured against unwanted

rotation due to differential pressures.

3 The lifting eyes of the RUVAC must never be used to lift any pump

combinations (Roots pump + backing pump). Exceptions are allowed

only after approval by Leybold. Use a crane to secure the pump at the

lifting eyes provided until a firm link has been established with the

backing pump or a corresponding fixture.

4 Do not operate the pump with an opened casing. There exists the risk

of suffering injury.

5 Never operate the pump without connected intake line or a blank

flange at the intake.

6 Make sure that the gas flow at the discharge is not blocked or restrict-

ed in any way.

7 It is recommended to always only operate the RUVAC with a suitable

exhaust line which is properly connected.

8 If exhaust gases must be collected or contained, do not allow the

exhaust line to become pressurized.

9 When moving the RUVAC always use the allowed means. Two lifting

eyes are provided on this pump as standard.

10 Do not allow the ingestion of small objects (screws, nuts, washers,

pieces of wire, etc.) through the intake port. The use of an inlet screen

is expressly recommended. In case the pump is operated without inlet

screen the operator has to make sure that no objects can enter the

pump through the intake port. Objects falling into the pump can cause

severe damage at the pump including leaks to atmosphere.

11 In case malfunctions affect the pump, in particular seized rotors due to

hard deposits or foreign objects, the occurrence of leaks in the casing

cannot be ruled out. When pumping hazardous gases, the operator

must ensure that such a malfunction cannot occur, respectively that

leaks at the pump casing will not present a hazard.

12 In order to avoid the destruction of systems and injury to operating

personnel we urgently recommend to observe the information and

installation information provided in these Operating Instructions

WARNING

Safety information

GA03122_002_C0 - 10/2016 - © Leybold

13 First open the cooling water discharge, then the cooling water supply.

Otherwise an excessively high water pressure can build up within the

pump. When shutting down the cooling water supply proceed in the

reverse order: first shut off the water supply, then the water discharge.

14 The pumps must only be operated at the allowed speeds. In particular

when using frequency converters not approved by Leybold you must

ensure an effective protection against overspeeding.

0.2 Electrical Hazards

1 Potentially lethal voltages are present at the mains connections. Before

beginning with any maintenance or service work on the pump, discon-

nect the pump from all power supplies (lockout/tagout).

2 The electrical connection must only be provided by a trained person.

Please observe the national regulations in the country of use like

EN50110-1 for Europe, for example.

3 Before starting the electric motor for the first time provide upfront a

suitable motor protection switch. Please notice the information provid-

ed in these Operating Instructions and on the electric motor (wiring

diagram).

4 Before starting, check to ensure that the junction box is undamaged,

run a visual inspection on the seals.

5 Install add-on parts (pressure switches, for example) without any

mechanical tensions and protect these against being damaged by

impacts, for example.

6 Lay the connecting lines so that these cannot be damaged. Protect

the lines against humidity and contact with water. Avoid thermally

stressing the lines by unfavourable laying. Comply with the required

standards when designing and laying the electrical connections.

7 Provide strain relief for the connecting lines so that the plugs and the

line connectors are not subjected to excessively high mechanical

stresses.

8 Lay electric lines so that there is no risk of tripping over these.

9 The RUVAC if must be integrated in the system control arrangement

so that the pump can not run-up automatically after it has been shut

down due to overtemperature. This applies equally to emergency shut-

down arrangements. After having determined the fault cause, the

pump should be switched on manually again.

10 The following applies to FC operated pumps: after a mains power fail-

ure the pump will automatically run up once the mains power returns.

DANGER

Safety information

GA03122_002_C0 - 10/2016 - © Leybold

0.3 Thermal Hazards

1 Hot surfaces, risk of suffering burns

Under certain ambient conditions the pump may attain temperatures

over 80° C. There then exists the risk of suffering burns. Note the dan-

ger symbols on the pump and in the case of a hot pump wear the

required protection equipment.

If there is the risk of touching hot surfaces inadvertently, install corre-

sponding protection. When working on a pump which is still warm

from operation, always wear protective gloves.

2 The pump must only be operated at ambient temperatures between

12 to 45 °C. The thermal radiation produced by the pump must be

removed to a sufficient extent. If for whatever reason the pump needs

to be operated at higher ambient temperatures, then reduced maxi-

mum pressure differences apply (derating). For operation under such

conditions please consult Leybold.

3 Operating the pump with less than the specified amount of cooling

water will result in excessively high surface temperatures which can

damage the pump. Moreover, there exists the risk of suffering burns.

4 Before disassembling any cooling water lines, leave the pump to cool

down first, then shut off the feed line.

5 Before doing any servicing or maintenance work, always let the pump

cool down first.

6 Take note of the warning information on the casing surface. If this

warning information was removed, covered or obstructed, then pro-

vide corresponding additional warning information.

0.4 Hazards Caused by Materials and Substances

1 The vacuum line must be leaktight. Hazardous process gases may

escape or the pumped gases can react with air or atmospheric humid-

ity. After installation of the pump and after servicing work on the vacu-

um system, a leak test will always be necessary.

When pumping hazardous gases we recommend a leak test on a reg-

ular basis. Leaks in the pump cannot be ruled out under all circum-

stances. When pumping hazardous gases, the operator must ensure

that leaks at the pump will not be a hazard.

2 Since not all application related hazards for vacuum systems can be

described in detail in these Operating Instructions, Leybold has availa-

ble a separate document (Safety Booklet) in which the hazards and

general safety concepts for design, operation and maintenance of vac-

uum systems are explained.

When planning to pump hazardous substances with this pump, read

the related chapters in the Safety Booklet and in these Operating

Instructions first. You can download the Safety Booklet from our

homepage.

CAUTION

DANGER

Safety information

GA03122_002_C0 - 10/2016 - © Leybold

3 Before commissioning the pump, make sure that the media which are

to be pumped are compatible with each other so as to avoid hazard-

ous situations.

4 If required additional monitoring of the purge gas quantities is neces-

sary from the side of the operator when a well-defined and ensured

dilution is necessary from the side of the process.

The type of protection depends on the specific process and needs to

be assessed by of the customer.

5 The cooling water from the return is not of drinking water quality and

should not be used for this purpose.

After having operated the pump, the cooling water lines may suffer

from microbiological contamination. Take appropriate safety precau-

tions.

6 When the pump has been used to pump hazardous gases before,

introduce appropriate safety precautions before opening the intake or

the discharge connections. Before opening the pump, purge it for a

longer period of time with an inert gas. If necessary, wear suitable per-

sonal protection equipment like gloves, breathing protection and pro-

tection clothing, for example (see Material Safety Data Sheets for the

substances in use, the chemical reactions and the by-products). Firmly

seal off the pump. When shipping the contaminated pump for servic-

ing please also indicate the type of hazard. For this see Section 5.5

Service at Leybold.

7 Leybold is not in a position to perform servicing (repairs) and waste

disposal of radioactively contaminated pumps. Both needs to be

ensured from the side of the user.

8 When disposing of the pump, used lubricants and used oil filters,

observe the applicable environment regulations.

9 When pumping hazardous gases you must assume the presence of

hazardous residues in the pump.

10 If the pump has been contaminated by the process or through envi-

ronmental influences, it must be decontaminated professionally.

Contaminated parts can be detrimental to health and the environment.

Before beginning with any repair and maintenance work inform yourself

about any possible contamination. When handling contaminated parts

observe the pertinent regulations and comply with the necessary pro-

tection measures.

When shipping contaminated pumps which require approval by the

authorities, note the applicable regulations regarding packaging and

shipping.

Safety information

GA03122_002_C0 - 10/2016 - © Leybold

11 Some pumps use perfluoropolyether (PFPE) as lubricant.

When handling PFPE you should observe the following:

During thermal decomposition at temperatures over 290 °C toxic and

corrosive gases are released. When handling PFPE keep it way from

open fires. Do not smoke with PFPE on your fingers.

Touch the inner sections of the pumps only while wearing clean gloves,

and use clean tools;

do the necessary work in clean and dry rooms;

after having removed the pump from its packaging, start it up as

quickly as possible;

as cleaning agents, solvents, based on hydrofluorether compounds

may be used.

12 Fluoropolymers are used as sealants (FKM) and as lubricants (PFPE) in

the pumps. In case the pump suffers a severe mechanical failure, the

possibility of hazardous substances being released owing to their ther-

mal decomposition cannot be excluded. The hazards caused by such

decomposition are described in the Material Safety Data Sheets for the

materials, for example.

0.5 Ignition Risk

1 As a rule, the RUVAC pumps must not be used with flammable or

explosive mixtures. In particular cases the composition of the sub-

stances may not be critical. In this case the user is obliged to analyse

this carefully and to take appropriate precautions introduced by com-

petent experts.

2 Before pumping oxygen (or other highly reactive gases) at concentra-

tions exceeding the concentration in the atmosphere (> 21 % for oxy-

gen) it will be necessary to use a special pump. Such a pump will have

to be modified and degreased, and an inert special lubricant (like

PFPE) must be used.

3 Before commissioning the pump, make sure that the media which are

to be pumped are compatible with each other so as to avoid hazard-

ous situations. All relevant safety standards and regulations must be

observed.

4 The standard version of the RUVAC is not suited for operation in

explosion hazard areas. Contact us before planning to use the pump

under such circumstances.

DANGER

Safety information

GA03122_002_C0 - 10/2016 - © Leybold

0.6 Noise Hazard

1 The noise level produced by the RUVAC is between 63 and 75 dB(A).

When operating the pump temporarily at pressures above 100 mbar

the noise level can be very much higher. Make sure that suitable pro-

tection measures are taken to protect your hearing ability.

2 When the pump is being started with open flanges, a noise level which

is detrimental to health will be produced. If such operation is unavoida-

ble, then it is mandatory to wear hearing protectors (ear muffs).

0.7 Danger of Damaging the Pump

1 The pump is not suited for applications that produce abrasive or adhe-

sive substances or condensable vapours which leave adhesive or high

viscosity deposits. Please contact Leybold in order to select proper

separators, for example.

2 Do not allow the ingestion of any objects (screws, welding beads,

nuts, washers, pieces of wire, etc.) through the intake port of the

pump.

If possible, use the intake screen which has been fitted as standard

and clean it regularly.

In case the pump is operated without intake screen the operator has

to make sure that no objects can enter the pump through the intake

port. Objects falling into the pump can cause severe damage at the

pump including leaks to atmosphere.

The intake screen does not replace a filter. Prevent the intake of parti-

cles from the side of the process by fitting suitable filters.

3 Vapours which condense upon being compressed within the pump to

liquids must be avoided when their vapour pressure exceeds the

vapour tolerance of the pump.

4 Before pumping condensable vapours the pump should be at operat-

ing temperature. The pump will attain its operating temperature

approximately one hour after having started the pump. During this

warm-up phase, the pump should be left separated from the process

by a valve in the intake line, for example.

5 In order to prevent the transfer of vibrations from the RUVAC to other

system components which have been connected, we recommend fit-

ting of corrugated hoses respectively compensators on the intake and

the discharge side.

6 Do not operate the RUVAC in connection with backing pumps where

an ultimate pressure exceeding 10 mbar is specified. This will prevent

excessively high temperatures when the RUVAC is running idle.

7 Maximum cooling water pressure: 6 bar. When exceeded, there is the

risk of leaks.

8 In the case of wet processes we recommend the installation of liquid

separators, upstream and downstream of the pump so as to avoid the

influx of liquid into the pump.

CAUTION

NOTICE

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