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Safety Information

300407956_002_C1 - 01/2017 - © Leybold

Purge gas

Check compatibility with applications

Overpressure in the discharge line

Components can be thrown in all directions.
The pressure in the discharge line must not exceed atmospheric

pressure by 300 mbar max.
The discharge line must not be blocked or restricted.

Pumps with wheels

must only be placed and moved on levelled horizontal surfaces!

Vacuum

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

Machinery starts automatically

Connect the pump so that it not will restart automatically after a mains

power failure, once the power returns.

Overhead load

Transport the pump only secured with a forklift. Only qualified personnel

are allowed to unload and lift the pump. When elevating the pump, no

personnel should be under the object.

Содержание LV 140

Страница 1: ...Part Numbers 115080V15 30 35 40 115140V15 30 35 40 115250V15 30 35 40 LEYVAC LV 80 LV 140 LV 250 Dry Compressing Vacuum Pumps Operating Instructions 300407956_002_C1...

Страница 2: ...Data 20 1 4 Ordering Information 22 2 Transport and Storage 23 3 Installation 25 3 1 Ambient Requirements and Placement 25 3 2 Conforming Use 26 3 2 1 Non conforming Use 26 3 3 Connecting the Intake...

Страница 3: ...vice 51 5 2 Maintenance Intervals 51 5 3 Exchanging the Lubricant 53 5 4 Exhaust Piping Connector 54 5 5 Pump Inlet Flange 54 5 6 Purge Gas Pressure and Flow Regulator 55 5 7 Cooling Water Piping 55 5...

Страница 4: ...ted and maintaine d by trained personnel only Consult local state and national agencies regarding specific require ments and regulations Address any further safety operation and or mainte nance questi...

Страница 5: ...purge it for a longer period of time with an inert gas If necessary wear gloves breathing protection or protection clothing Hazardous Voltage Disconnect power before opening Contact causes electrical...

Страница 6: ...blocked or restricted Pumps with wheels must only be placed and moved on levelled horizontal surfaces Vacuum Avoid exposing any part of the human body to the vacuum Machinery starts automatically Con...

Страница 7: ...or contained No shutoff devices are required in the discharge line for pump opera tion If shutoff devices are installed open them before starting the pump In the case of processes involving much conde...

Страница 8: ...ng water circuit must not be shut off A cooling water discharge which has been blocked can cause the for mation of gas bubbles and result in excessively high pressures 12 Lay electric feed and cooling...

Страница 9: ...o that the plugs and the line connectors are not subjected to excessively high mechanical stresses 13 Lay electric feed lines so that there is no risk of tripping over these 14 The pump must be integr...

Страница 10: ...ilution 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 4 The cooling water from the return is not of drink...

Страница 11: ...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 possib...

Страница 12: ...n the intake side for the purpose of shutting off the intake line so as to prevent the pump from turning backwards in the event of a power failure Otherwise the pump may suffer damage or oil may conta...

Страница 13: ...itching off be purged with an inert gas or air depending on the spe cific application This process should also be run before cleaning the pump chamber 12 For shutting down the pump let the pump operat...

Страница 14: ...Thus concerns in respect to oil dust backflows are not applicable The pumps are water cooled and they are lubricated with PFPE LVO 410 or synthetic oil LVO 210 Their purge gas system is equipped with...

Страница 15: ...10 Pump Frame 11 Oil Level Indicator 12 Oil Box 13 Casing 14 Pump Inlet 15 Main Cooler 16 High Pressure Side Plate Fig 1 3 Cooling Water System 17 Gear Box 18 Motor 19 Front Panel 21 Cooling Water Inl...

Страница 16: ...hes of motor and casing to the protection circuit of your equipment or it might cause pump damage With the LEYVAC CC versions both temperature switches are connected to the CC controller If the CC pum...

Страница 17: ...0 C LEYVAC LV 140 C 1 2 3 4 5 1 Pressure Gauge 2 Pressure Regulator 3 Purge Gas Inlet 4 Cooling Water Outlet 5 Cooling Water Inlet LEYVAC LV 80 C 250 C LEYVAC LV 140 C Gas line rotor purge The main pu...

Страница 18: ...Pump Speed Air 50 Hz Power Air 60 Hz Power Air m h Power Consumption kW Pumping Speed Inlet Pressure LEYVAC LV 80 Fig 1 7 Pumping Speed Curves for LEYVAC LV 140 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 0 25 50...

Страница 19: ...ctions Purge Gas Swagelok Connector Lubricants already filled in Fig 1 8 Pumping Speed Curves for LEYVAC LV 250 0 0 001 300 200 100 250 150 50 1 60 Hz Pump Speed Air 50 Hz Pump Speed Air 50 Hz Power A...

Страница 20: ...ty 95 RH non condensing Installation location up to 2 500 m Cooling Water Glycol Mains voltage 50 Hz 200 220 V Standard C Version only Y380 420 V 10 Mains voltage 60 Hz 200 220 V Standard C Version on...

Страница 21: ...Permissible purge gas supply pressure 4 8 bar g 0 4 0 8 MPa g Permissible purge gas setting pressure 1 5 2 bar g 0 15 0 2 MPa g Optional Gas ballast manual or electrical Flow normally ambient air 80...

Страница 22: ...15005A09 Gas Ballast Kit manual 115005A12 Gas Ballast Kit 24V 115005A13 Purge Gas Kit EK110003350 Standard Silencer w built in check valve for noise reduction 115005A20 High Efficiency Silencer 115005...

Страница 23: ...sile load of min 2 tons Before hoisting check if the slings are in the position between castors and adjustment feet cf Fig 2 1 to ensure the pump will not slide off The slings s eyes must be centre to...

Страница 24: ...the castors Storage Store the pumps only horizontally standing on their feet When storing the pump for a longer period of time 2 weeks the flanges should be sealed off with a piece of foil Place a ba...

Страница 25: ...t their highest positions The pump should be installed on a floor which can stand the weight of the pump A shock absorbing pad should be used between the frame of the pump and the floor for a better g...

Страница 26: ...mixture need to be reassessed on a case by case basis When planning to pump hazardous substances always consult Leybold first 3 2 1 Non conforming Use Non conforming use for the pump are among others...

Страница 27: ...eratures Use in systems where pump frequency converter and cables are subject ed to impact stresses Operation on movable systems or system components locks or mobile pump systems Use of pump fitted ad...

Страница 28: ...to a dangerous discharge of hazardous substances or to unpredictable reactions with air admitted into the pump When choosing and installing the vacuum pumps for harsh processes or for processes of sp...

Страница 29: ...vacuum system please pay attention to check any emission of gas moisture residual of organic solvent which will cause virtual leaks of the vacuum system The recommended maximum leak rate value for a...

Страница 30: ...r transportation completely drain out all cooling water and completely dry the lines with nitrogen for example Block or label the area of the cooling water and exhaust lines to prevent trip ping 3 4 1...

Страница 31: ...gas pressure and flow to the appropriate val ues Please refer to the information given in Section 1 3 Technical Data Ensure that the purge gas flow is not obstructed The purge gas supply should not be...

Страница 32: ...t circuit protection must be installed at the connection side Refer to the national and local electrical regulations and decide the proper specification for the wire and NFB to ensure the safety of el...

Страница 33: ...000 temperature sensor and the ther mal switch of the casing SW85 to the protection circuit of the equipment to prevent pump damage The Pt1000 serves the purpose of thermally monitoring the water cool...

Страница 34: ...sor optional p Purge Gas 24V DC Thermal Switch Casing white M 3 Pump 24V DC 85V AC min 50mA 250V AC max 2 5A 24V DC 85V AC min 50mA PT1000 white Output 1 5V Supply 9 30V 5mA 24V DC 85V AC min 50mA 250...

Страница 35: ...thin the customer provided control unit The CC pump s thermal switches are monitored by the integrated protection circuit cutting off the motor in case of overheating There is no need for rewir ing as...

Страница 36: ...old Fig 3 7 Main and Control Circuit Wiring CC versions only For pump operation in 460 V 60 Hz nets the input connection of Transformer A1 has to be changed by trained staff from 415 V to 460 V Output...

Страница 37: ...ties and systems operated in connection with the product Enclosed with the frequency converters delivered by Leybold is a copy of the instructions for commisioning the Yaskawa V1000 This frequency con...

Страница 38: ...hermal switch casing Thermal switch motor Do not use the Hardware Baseblock input for any functional safety in ac cordance to IEC 61508 or ISO EN 13849 on your machine For details contact Leybold 2 Us...

Страница 39: ...rter as a function of the frequency must be taken into account Permissible frequencies range The permissible frequencies range for LEYVAC pumps is between 20 Hz to max 70 Hz except for the LV 250 it i...

Страница 40: ...Fig 3 11 RUVAC Adapter for Wx U 501 and WH 700 similar 3 7 1 Roots Pump Adapter The adapter serves as a connecting component when fitting a RUVAC onto the LV models The use of other pump types or othe...

Страница 41: ...ough the inlet into the pump Carefully handle the sealing surfaces and keep them clean We recommend that two fitters fit the adapter The Roots vacuum pump must only be fitted as depicted Other orienta...

Страница 42: ...tion given in the Operating Instruction for the RUVAC 3 7 2 Non return Valve and Silencers The non return valve is a fitting for shutting off which is attached to the ex haust flange for the LEYVAC It...

Страница 43: ...ing any installation work on the pump shut down the system and leave it to cool down In particular observe Safety Information 0 3 and 0 4 Retrofitting must only be carried out by duly trained personne...

Страница 44: ...rotor purge gas line A Via these systems ambient air as the gas ballast can be supplied at a fairly high throughput of up to 80 Nl m The 24 VDC valve is nc With the LEYVAC LV 250 with installed gas b...

Страница 45: ...rge gas entry rotor Blank flange included the T piece to ensure for a continuous purge gas flow to the shaft line B Install the gas ballast kit as depicted Use Loctite 542 to ensure for leak tightness...

Страница 46: ...urn on the cooling water flow and check piping for water leaks Operate the pump with purge gas at all times For purge gas operations Check that the pressure regulator on the front panel is closed i e...

Страница 47: ...in the N2 piping until the flow is suitable If the water flow is too low the temperatures of the pump body and the motor will rise and may cause rotor contact and other problems If the purge gas flow...

Страница 48: ...es observe Safety Information in Section 0 4 In order to prevent a scald accident it is strictly forbidden to touch the pump body the exhaust piping and the hot N2 piping before they are cold down com...

Страница 49: ...ISO NW blanking plate Disconnect the pump inlet and fit a metal ISO NW blanking plate Disconnect the purge gas supply and seal The pump can now be removed to a workshop for decontamination and repair...

Страница 50: ...of appropri ate personal protective equipment PPE such as gloves respirator and or protective clothing working under an exhaust hood etc Comply with all safety regulations Label the lubricant containe...

Страница 51: ...als for the pumps Periodic and proper maintenance will keep the pump in a normal working condition and helps avoiding pump breakdowns and failures Maintenance intervals are process dependent In clean...

Страница 52: ...the hot area Purge the pump with sufficient N2 gas at least one hour before removing and cleaning the vacuum lines and exhaust piping There might be toxic gases or materials remain in the pump check...

Страница 53: ...ntaminated that it must be changed Change the lubricant more frequently when pumping corrosive vapours or large amounts of dust or when cycling frequently from atmospheric to work ing pressure Before...

Страница 54: ...perfect condition Wipe off any oil residues from the casing Observe the correct oil fill levels for the shutdown standing still pump The oil levels of both the gear box and the low pressure side shou...

Страница 55: ...me the cooling water piping might encounter the problem of a poor cooling effect because of the dirt adhering to the pip ing It will cause the pump casing temperature to rise A regular cleaning job is...

Страница 56: ...immediately and the motor coast to stop To remove an alarm or reset a fault trace the cause remove it and reset the frequency converter by pushing the Reset key on the operator or cycling the power su...

Страница 57: ...reset was input when a Run com mand was active Turn off the Run command and reset the fre quency converter to Option External Fault n n An external fault was tripped by the upper controller via an opt...

Страница 58: ...ts Check the machine for damages gears etc and repair any broken parts Check the frequency converter parameter set tings Check the output contactor sequence to or Heatsink Overheat n n Surrounding tem...

Страница 59: ...ice Disposal of Waste Oil Owners of waste oil are entirely self responsible for proper disposal of this waste Waste oil from vacuum pumps must not be mixed with other substances or materials Waste oil...

Страница 60: ...60 300407956_002_C1 01 2017 Leybold EC Declaration of Conformity...

Страница 61: ...Vacuum Pumps Application Process B Condition of the equipment No1 Yes No Contamination No1 Yes 1 1 Has the equipment been used toxic 2 Drained Product service fluid corrosive 3 All openings sealed air...

Страница 62: ...ld com Spain Leybold Hisp nica S A C Huelva 7 E 08940 Cornell de Llobregat Barcelona Sales T 34 93 666 43 11 F 34 93 666 43 70 sales ba leybold com Service T 34 93 666 46 11 F 34 93 685 43 70 service...

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