LEYBOLD LV 140 User manual

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

Contents
2
300407956_002_C1 - 01/2017 - © Leybold
Page
0 Important Safety Information 5
Explanation of Warning Symbols 5
0.1 Mechanical Hazards 7
0.2 Electrical Hazards 8
0.3 Thermal Hazards 9
0.4 Hazards Caused by Materials and Substances 10
0.5 Ignition Risk 11
0.6 Noise Hazard 11
0.7 Dangers in Connection with safety-related
Measures and Precautions 12
0.8 Danger of Pump Damage 12
1 Description 14
1.1 Pump Module 14
1.2 Supplied Equipment 19
1.3 Technical 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 and Exhaust Lines 28
3.3.1 Intake Lines 28
3.3.2 Exhaust Lines 28
3.4 Connecting Cooling Water 30
3.4.1 Water Quality 30
3.5 Purge Gas Piping 31
3.6 Electrical Connection 32
3.6.1 Standard- and C-Type Pumps 33
3.6.2 CC-Type Pumps 35
3.6.3 Checking the Direction of Rotation 37
3.6.4 Connecting an external Frequency Converter 37
3.7 Mounting Accessories 40
3.7.1 Roots Pump Adapter 40
3.7.2 Non-return Valve and Silencers 42
3.7.4 Gas Ballast Kit (option) 44

Contents
3
300407956_002_C1 - 01/2017 - © Leybold
Original installation and operating instructions.
4 Operation 46
4.1 Before Starting 46
4.1.1 Pumping of monoatomic Gas 47
4.2 Stop Pump 48
4.3 Venting 48
4.4 Removing from Service 49
5 Maintenance 51
5.1 Leybold Service 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
5.8 Coolant Level 55
6 Troubleshooting 56
6.1 Pump Malfunctions 56
6.1.1 Malfunctions with CC-type Pumps 56
6.2 Malfunctions with Frequency Converter Operations (option) 56
7 Waste Disposal 59
EC Declaration of Conformity 60
Declaration of Contamination 61
Page

Safety Information
4
300407956_002_C1 - 01/2017 - © Leybold
Obligation to Provide Information
Before installing and commissioning the pump, carefully read these
Operating Instructions and follow the information so as to ensure optimum
and safe working right from the start.
The Leybold LEYVAC 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 condi-
tion and under the conditions described in the Operating
Instructions. It must be operated 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 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 alter the design or any data given in these Operating
Instructions. The illustrations are not binding.
Retain the Operating Instructions for further use.
NOTE
DANGER
WARNING
CAUTION
NOTICE

Safety Information
5
300407956_002_C1 - 01/2017 - © Leybold
0 Important Safety Information
Explanation of Warning Symbols
Toxic gases
Danger of explosion
Fire danger
Reactive or corrosive
media
Contaminated parts
The pump must be leaktight.
When the pump has been used to
pump hazardous gases before,
introduce appropriate safety pre-
cautions before opening it. Before
opening the pump, 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 shock.
High Leakage Current
Earth connection essential before connecting supply.
Electrical Hazards
Danger of residual voltage for up to 5 min after disconnecting power
supply. Connect and disconnect the mains plug only in deenergized
condition.
Hot Surface
Do not touch.
Allow this area to cool before servicing.
Burn hazard
Hot Surface inside. Do not touch, wear protective equipment.