Welch LVS 300 Z Operating Manual
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Welch LVS 300 Z Operating Manual

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Operation Manual
Translation of the german original manual
Laboratory-Vacuum-Systems
Ultimate pressure < 8 mbar
Models:
► unregulated
LVS 300 Z
► manual regulated
LVS 301 Z
LVS 302 Z
► automatic regulated
LVS 310 Z
LVS 311 Z
► ecoflex
LVS 310 Z ef
LVS 310 Z ef extern
► economic
LVS 310 Z en
(EN)
115041
2017-02-02

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  • Page 1 Operation Manual (EN) Translation of the german original manual Laboratory-Vacuum-Systems Ultimate pressure < 8 mbar Models: ► unregulated LVS 300 Z ► manual regulated LVS 301 Z LVS 302 Z ► automatic regulated LVS 310 Z LVS 311 Z ► ecoflex...
  • Page 2 Germany prior written permission of Co. Gardner T +49 3677 604 0 Denver Thomas GmbH. F +49 3677 604 131 welch.emea@gardnerdenver.com All rights under the copyright laws are www.welchvacuum.com expressly reserved by Co. Gardner Denver Thomas GmbH. Customer Support +49 3677 604 0 We reserve the right to make changes and amendments.

  • Page 3: Table Of Contents

    Contents Contents Important Information ......................5 General Information ........................5 Target Groups ........................... 5 Intended Use ..........................5 Use for an Unauthorized Purpose .................... 5 Safety Devices .......................... 6 Meaning of the Warning notes ....................6 Product Standards, Safety Regulations ..................6 Basic Safety Instructions .......................
  • Page 4 Printed circuit board – Layout and Connections ..............31 6.7.1 6.7.1.1 Electrical Interfaces ........................ 31 6.7.2 Software-Update ........................34 Operation using the "WELCH-Control 521" PC program ............35 Menu item: „File“ ........................36 6.8.1 Menu item: „Settings!“ ......................37 6.8.2 Menu item: „Calibrate“ ......................39 6.8.3...

  • Page 5: Important Information

    Important Information Important Information General Information The Laboratory-Vacuum-Systems conform to the: 2006 / 42 / EC Machinery Directive 2014 / 30 / EU Electromagnetic Compatibility Directive 2014 / 34 / EU ATEX Guideline for use in potentially explosive atmospheres, Appendix III The CE sign is located on the rating plate.

  • Page 6: Safety Devices

    Important Information Safety Devices Measures such as the following are for the safety of the operating personnel: electrical connection with a protective conductor (operating mode S1) and an earthing plug, Motor protection switch (thermal), “Hot Surface" label on the pump body - warning notice motor hood on the motor fan and glass components with a transparent plastic coating which protects them against bursting and cracking...

  • Page 7: Basic Safety Instructions

    Basic Safety Instructions Basic Safety Instructions General Information CAUTION ! Warning notices must be observed. Disregarding them may lead to damage to health and property. The Laboratory-Vacuum-Systems must be operated by personnel who can detect impending dangers and take action to prevent them from materialising. The user/operator is responsible for correct installation and safe operation.

  • Page 8: Mechanical Systems

    Basic Safety Instructions Mechanical Systems Improper use can lead to injuries or material damage. Observe the following instructions: Only operate the Laboratory-Vacuum-Systems with hoses of the specified dimensions. The maximum permissible pressure of 1 bar at the suction connection must not be ex- ceeded.

  • Page 9: Hazardous Substances

    Basic Safety Instructions Hazardous Substances The operating company bears the responsibility for the use of the Laboratory-Vacuum- System. Hazardous and harmful substances must be effectively prevented from escaping. Ensure that all lines and connections are leak tight. Handle exhaust gases in accordance with the requirements of the emission protection regu- lations.

  • Page 10: Description

    Description Description Design and Function 3.1.1 Laboratory-Vacuum-Systems The Laboratory Vacuum Systems are supplied as a ready-mounted unit. The chemical-resistant diaphragm pump (4) with gas ballast valve (17) is fitted to the base plate of the column (3) and attached on the suction-side to the separator (7) to protect the pump from foreign matter and on the pressure-side to the emission condenser (6) to recover the condensate.

  • Page 11: Diaphragm Pump

    Description 3.1.2 Diaphragm pump ► Design: The diaphragm pump consists of a pump body and a drive motor. The pump body consists of a drive shaft and two pump heads. Both pump head contains a diaphragm and the work valves. The two pump heads are arranged opposite each other. In the two-stage (Z) diaphragm pump, both pump heads are connected in series.

  • Page 12: Vacuum Controller 521, Intern

    Description 3.1.3 Vacuum Controller 521, intern In the case of controlled models for laboratory vacuum systems LVS, the vacuum controller, complete with sensor, venting valve and power unit, is fitted in the device column. The oper- ating and display elements are on the top surface of the column. (Description and operation see chapter 6, Technical data see chapter 4.3.1) Built-in –...

  • Page 13: Overview Of The Variants

    Description It has the same function as the LVS with a standard assembly. It is operated, as similarly de- scribed, via an externally installed controller. On the controller is the on / off power switch and the RS 232 interface. (see also chapter 9.4) Dimensions for installation in laboratory furniture: Overview of the variants...

  • Page 14: Examples Of Application

    Description Examples of application LVS without vacuum controller Suction line * Outgoing air Rotary vaporizer * Capable of expan- sion up to 4 loads Coolant system, un pressurised run back * Water valve WV * Fig. 3 Example of application - LVS manually regulated LVS with vacuum controller and control valve (cv)
  • Page 15 Description LVS ef (ecoflex) Suction line * Outgoing air Rotary vaporizer * frequency-regulated pump motor Coolant system, un pressurised run back * Water valve WV * Fig. 5 Example of application – LVS „ef“ ecoflex LVS en (economic) Suction line * Outgoing air Rotary vaporizer * Capable of expan-...

  • Page 16: Accessories

    Connection vacuum apparatus: DN 8 Connection vacuum pump: DN 8 Connection inert gas: DN 4 Connection water valve: Binder plug 4-pole 24V DC Operating software „WELCH-Control 521“ on CD Order no. 620637 to connect the vacuum controller to the PC...
  • Page 17 Description Water valve WV 2 Order no. 700300-02 2 way water flow valve for the demand-responsive cooling water supply, mounting possible in any direction. Input: G 3/4 inch sleeve nut Output: Hose nozzle for hose inside diameters 8 mm Hose nozzle with FKM - O-Ring DN 10 Order no.

  • Page 18: Technical Data

    Technical Data Technical Data View of device and dimensions The main dimensions are identical for all types stated here. Fig. 7 View of device (Model LVS 301 Z, dimensions see chapter 4.3 Intake Pressure / Pumping Speed – Diagram Fig. 8 Intake Pressure / Pumping Speed – Diagram 115041...

  • Page 19: Device Data

    Technical Data Device data 4.3.1 Laboratory Vacuum Systems Parameter Unit 300 Z 301 Z 302 Z 310 Z 311 Z Pumping speed 50/60 Hz 2.3 / 2.5 DIN 28432 at speed of 1500 rpm Ultimate pressure at speed of 1500 rpm Ultimate pressure mbar with gas ballast...
  • Page 20 Technical Data Parameter Unit LVS 310 Z ef LVS 310 Z en Pumping speed 50/60 Hz 2.3 / 2.5 DIN 28432 at speed of 1500 rpm Ultimate pressure at speed of 1500 rpm mbar Ultimate pressure with gas ballast at speed of 1500 rpm Max.

  • Page 21: Vacuum Controller 521

    Technical Data 4.3.2 Vacuum Controller 521 LVS 310 Z Parameter LVS 310 Z ef LVS 310 Z en Unit LVS 311 Z Sensor integrated Sensor type ceramic sensor Measuring range 1 - 1100 mbar Measuring uncertainty < ± 0.3 % FS Controller Sensor interface : 3 conductor interface...

  • Page 22: Assembly And Installation

    Assembly and Installation Assembly and Installation Unpacking Carefully unpack the Laboratory-Vacuum-System. Check the system for: Transport damage, Conformity with the specifications of the supply contract (type, electrical supply data), Completeness of the delivery. Please inform us without delay if there are discrepancies between the delivery and the con- tractually agreed scope of delivery, or if damage is detected.

  • Page 23: Storage

    Assembly and Installation The emission condenser enables a 100 per cent recovery of the solvents led through the vacuum pump. Cooling takes place via the DN 8 hose nozzles. Ensure that the outflow is clear. The safety valve is located at the gas inlet. The rubber valve seal must be checked for cracks at regular intervals and exchanged when necessary.

  • Page 24: Operation

    Operation LVS without vacuum controller Switch the device (LVS 300 Z, LVS 301 Z, LVS 302 Z) on using the main switch. Vacuum is generated immediately and without regulation. Over the regulating valves on the LVS 302 Z it is possible two customers concomitant to connect.

  • Page 25: Mode 3, Ultimate Pressure

    Operation 6.3.3 Mode 3, Ultimate pressure By pressing of the key P min evacuation takes place at maximum pump speed until the user presses STOP. 6.3.4 Mode 4, Self cleaning The Mode "Self cleaning" is used for flushing the pump and can, if desired, also be carried out several times in succession.

  • Page 26: Operating Via Buttons And Encoder

    Operation 6.6.2 Operating via Buttons and Encoder The menu is operated with the encoder. The menu option is selected by turning the encoder anticlockwise, and then confirmed by pressing. A pop-up window is provided for changing numerical values. They are accepted by pressing the encoder.
  • Page 27 Operation Configuration: language Configuration: display settings MAIN-MENU MAIN-MENU Manual Manual VCZ 521 VCZ 521 V 1.15 V 1.15 Automatic Automatic Low pressure Low pressure Configuration Configuration Self cleaning Self cleaning 960 mbar 960 mbar Configuration Configuration language language VCZ 521 VCZ 521 V 1.15 V 1.15...
  • Page 28 Operation Configuration: pressure unit Configuration: calibrate MAIN-MENU MAIN-MENU Manual Manual VCZ 521 VCZ 521 V 1.15 V 1.15 Automatic Automatic Low pressure Low pressure Configuration Configuration Self cleaning Self cleaning 960 mbar 960 mbar Configuration Configuration language language VCZ 521 VCZ 521 V 1.15 V 1.15...
  • Page 29 Operation Self cleaning: Low pressure: MAIN MENU MAIN MENU Manual Manual VCZ 521 VCZ 521 V 1.15 V 1.15 Automatic Automatic Low pressure Low pressure Configuration Configuration Self cleaning Self cleaning 960 mbar 960 mbar MAIN MENU Manual VCZ 521 Self cleaning V 1.14 Automatic...
  • Page 30 Operation Automatic: Manual: MAIN-MENU MAIN-MENU Manual Manual VC 521 VC 521 V 1.15 V 1.15 Automatic Automatic Low pressure Low pressure Configuration Configuration Self cleaning Self cleaning 960 mbar 960 mbar Parameter for mode: Automatic Parameter for mode: Manual Parameter Value Unit Parameter Value...

  • Page 31: Electrical Parameters

    Operation Electrical parameters Printed circuit board – Layout and Connections 6.7.1 Fig. 10 Positions of components and interfaces 6.7.1.1 Electrical Interfaces Location of interfaces, see Figure 6 The device is supplied with 24 V DC. Power supply input Spring contact clamp Wago type 236 / 2-pole Pin no.
  • Page 32 Operation LCD Display BP320240E / INTERNAL FFC Würth 686124144 24-pole / RM 1mm Pin no. Function Specification Comment RESET VLCD free SK/X1 D0/X2 D1/Y1 CS/Y2 LED+ LED- PLC input 1- Level sensor Spring contact clamp Wago type 236 / 3-pole Pin no.
  • Page 33 Operation The input can be configured with jumper J2: J2 open: (Default) Voltage: 0..5 V J2 plugged: current 0..20 mA The sensor supply voltage can be configured with jumper J3: J3 1-2: 24 V needed for current output J3 2-3: 5 V (Default) needed for voltage output (depending on sensor data sheet) PLC output 1 –...

  • Page 34: Software-Update

    Operation 6.7.2 Software-Update The software in the controller can be updated. It can be re-input by the user. The Fujitsu Flash tool must be used for the Fujitsu 16FX CPU range. The factory default settings can be made with a corresponding sequential number input again (VCZ521_XXX.mhx). NOTE ! The highest sequential number VCZ521_XXX.mhx is always the most current soft- ware version.

  • Page 35: Operation Using The "Welch-Control 521" Pc Program

    Operation Operation using the "WELCH-Control 521" PC program The "WELCH-Control" enables the vacuum controller to be operated simply and easily from the PC. The program can be purchased and installed as an option. Make the cable connection (O-Modem) between PC and controller.

  • Page 36: Menu Item: „File

    Operation In the PSI pressure range, the pressure values for the curve are multiplied by 100 to remain with integers. The curve can be printed out by the system printer via the "File / Print curve" menu. The buttons largely correspond to the buttons on the controller. However, the buttons cannot be held down.

  • Page 37: Menu Item: „Settings

    Operation Menu item: „Settings!“ 6.8.2 CAUTION ! Settings not required for the selected operating mode are disabled and grayed out in the display. Appropriate error messages are displayed if the data ranges are ex- ceeded or if inputs are illogical. 115041...
  • Page 38 Operation Settings required for the control behaviour of the controller: Designation Software Explanation Control panel WELCH-Control at the controller 1 - manual (manual pressure setting for boiling pressure) 2 - automatic (automatic finding of the boiling pressure) mode MAIN MENU...

  • Page 39: Menu Item: „Calibrate

    CAUTION ! Ensure that the set pressure is also present at the sensor. Designation Explanation Software Control panel WELCH-Control 521 at the controller at low pressure - Lower point pressure of comparison measurement device (at lowest possible pressure, e.g. 10 mbar)

  • Page 40: Menu Item: „Factory Settings

    Operation Menu item: „Factory settings“ 6.8.4 Designation Explanation Software Control panel WELCH-Control 521 at the controller FU motor not settable analog output active = present calibration allowed not settable = not present Reading the set values read not settable Confirmation of acceptance by signal tone...

  • Page 41: Table Of Solvents

    Operation Table of solvents Vacuum (mbar) Solvent Formula for boiling point at 40 °C Acetone n-amyl alcohol, n-pentanol Benzole n-butanol tert-butyl alcohol, 2-methyl-2-propanol Tetrachlorometane Chlorobenzene Chloroform CHCl Cyclohexane Diethyl ether no vacuum 1, 2, -dichlorethane 1, 2, -dichlorethylene (cis) 1, 2, -dichlorethylene (trans) Diisopropyl ether Dioxan Ethanol...

  • Page 42: Maintenance And Servicing

    Maintenance and Servicing Maintenance and Servicing General Requirements Repairs of the Laboratory-Vacuum-Systems may only be performed by the manufacturer or authorized workshops. The prerequisites are a complete and factually correct damage report, and a clean and, if necessary, a decontaminate device. The operator may perform maintenance work to the extent indicated below: Maintenance Performed by the User WARNING !

  • Page 43: Disassembly

    Maintenance and Servicing 7.2.1.1 Disassembly 1. Disconnect the power supply and ensure that it cannot be switched on again. 2. Open the screw clamps (9) of the hoses (10) on the pump body with the SW 17 open spanner. 3. Remove four machine screws (1) from each connection head with an Allan key, size 4. 4.

  • Page 44: Test

    Maintenance and Servicing 7.2.1.3 Test Connect a vacuum measuring device to the intake connector and measure the ultimate pressure. If the device is working properly, then the figure stated in the technical data must be at- tained within a maximum of one minute. The pump must not make any abnormal noises.

  • Page 45: Troubleshooting

    Troubleshooting Troubleshooting Only manufacturing firm and authorized service workshops may work on the pump systems and their accessories during the warranty period. Remedy Trouble Cause with: Qualified No power supply Check electrical installation electrician Vacuum pump does not start Motor defective Exchange Service workshop...

  • Page 46: Spare Parts Overview

    Spare Parts Overview Spare Parts Overview The spare parts list contains all the spare parts and all the information necessary for order- ing. When ordering, please quote the description, quantity, serial number and order number! CAUTION ! We are not liable for any damage caused by the installation of any parts not supplied by the manufacturer.

  • Page 47: Spare Parts - Laboratory-Vacuum-Systems, Unregulated + Manually Regulated

    Spare Parts Overview Spare parts – Laboratory-Vacuum-Systems, unregulated + manually regulated Spare parts view LVS 300 Z, unregulated Fig. 12 Front- and rear unit - LVS unregulated (without item no. 1 and 2) 115041...
  • Page 48 Spare Parts Overview Spare parts view LVS 302 Z, manually regulated Fig. 13 Front- and rear unit - LVS manually regulated (without item no. 1 and 2) 115041...
  • Page 49 Spare Parts Overview Spare parts list - LVS 300 Z, LVS 302 Z, manually regulated LVS 300 Z LVS 302 Z Order no. Order no. Item 115041 115043 Designation Piece 115041-01 115043-01 115041-05 115043-05 Order no. Order no. Diaphragm pump MPC 301 Z (230V)
  • Page 50 Spare Parts Overview Spare parts view LVS 301 Z, manually regulated Fig. 14 Front- and rear unit – LVS manually regulated (without item no. 1 and 2) 115041...
  • Page 51 Spare Parts Overview Spare parts list - LVS 301 Z, manually regulated LVS 301 Z LVS 301 Z LVS 301 Z with analog netvac 1 dial gauge Item Order no. Order no. Order no. Designation Piece 115047 115047-10 115047-02 115047-01 115047-11 115047-03 115047-05...

  • Page 52: Spare Parts - Laboratory-Vacuum-Systems, Automatically Regulated

    Spare Parts Overview Spare parts – Laboratory-Vacuum-Systems, automatically regulated Spare parts view LVS 310 Z Fig. 15 Front- and rear unit - LVS automatically regulated (without item no. 1 and 2) 115041...
  • Page 53 Spare Parts Overview Spare parts view LVS 311 Z Fig. 16 Front- and rear unit - LVS automatically regulated (without item no. 1 and 2) 115041...
  • Page 54 Spare Parts Overview Spare parts list – LVS 310 Z, LVS 311 Z, automatically regulated LVS 310 Z LVS 311 Z Order no. Order no. Item 115044 115045 Designation Piece 115044-01 115045-01 115044-05 115045-05 Order no. Order no. Diaphragm pump MPC 301 Z (230V) 412722-05 412722-05 (consisting of: –...

  • Page 55: Spare Parts - Laboratory-Vacuum-Systems, Ecoflex

    Spare Parts Overview Spare parts – Laboratory-Vacuum-Systems, ecoflex Spare parts view LVS 310 Z ef Fig. 17 Front- and rear unit - LVS 310 Z ef (without item no. 1 and 2) 115041...
  • Page 56 Spare Parts Overview Spare parts list – LVS 310 Z ef, ecoflex LVS 310 Z ef LVS 310 Z ef netvac 1 Item Order no. Order no. Designation Piece 115244 115244-03 115244-01 Order no. Order no. Diaphragm pump MPC 301 Z (115/230V) 412922-05 412922-05 (consisting of: –...
  • Page 57 Spare Parts Overview Spare parts list - LVS 310 Z ef, ecoflex - extern Fig. 18 Front- and rear unit - LVS 310 Z ef extern (without item no. 1 and 2) The LVS 310 Z ef extern (order no. 115244-04) is supplied with a controller which could, for example, be installed in the rear wall of a laboratory.
  • Page 58 Spare Parts Overview Spare parts list - LVS 310 Z ef, ecoflex - extern LVS 310 Z ef extern Item Order no. Designation Piece 115244-04 Order no. Diaphragm pump MPC 301 Z (115/230V) 412922-05 (consisting of: – see chapter 9.6) - Mains connection cable IEC + plug CEE (D) 825885 - Mains connection cable IEC + plug BS (UK)

  • Page 59: Spare Parts - Laboratory-Vacuum-Systems, Economic

    Spare Parts Overview Spare parts – Laboratory-Vacuum-Systems, economic Spare parts view LVS 310 Z en Fig. 19 Front- and rear unit - LVS 310 Z en (without item no. 1 and 2) 115041...
  • Page 60 Spare Parts Overview Spare parts list – LVS 310 Z en, economic LVS 310 Z en Order no. Item Designation Piece 115248 115248-01 Order no. Diaphragm pump MPC 301 Z (230V) 412722-05 (consisting of: – see chapter 9.6) - Mains connection cable IEC + plug CEE (D) 825885 - Mains connection cable IEC + plug BS (UK) 825878...

  • Page 61: Spare Parts - Diaphragm Pumps

    Spare Parts Overview Spare parts - Diaphragm pumps Spare parts view MPC 301 Z für LVS Fig. 20 Exploded view - Diaphragm pump 115041...
  • Page 62 Spare Parts Overview Spare parts list - MPC 301 Z for LVS 230 V 115 V 100 V 115/230 V Item Order no. Order no. Order no. Order no. Designation Piece 412722-05 412722-06 412722-08 412922-05 Order no. Order no. Order no. Order no.
  • Page 63 Instructions for ATEX certification Instructions for certification - Laboratory-Vacuum-Systems LVS - for use in Zone 2 in accordance with device category 3 per ATEX Directive 2014/34/EU « EX II 3G IIC T3X » Internal atmospheres only 1. Type test – Effects of the ATEX Directive Thanks to its design this device meets the requirements imposed upon devices of device group II and device category 3 in conformity with Directive 2014/34/EU of the European Parliament and Council dated 26 February 2014 on the harmonisation of the legislation and administrative regulations of the...
  • Page 64 Instructions for ATEX certification The “EX II 3G IIC T3X” certification is valid only for the internal space in contact with the medium and the transport of gases and vapours. Installation and operation of the devices in an atmosphere capable of being ignited is not permitted.
  • Page 65 Instructions for ATEX certification Key: (BGR Trade association regulations TRBS Technical regulations for operational safety TRGS Technical regulations for hazardous substances) 6. General concepts regarding the operating company The operating company is responsible for: • Performing an assessment of the existing zone •...
  • Page 66 Am Vogelherd 20 F +49 3677 604 131 Hiermit erklären wir 98693 Ilmenau welch.emea@gardnerdenver.com Germany www.welchvacuum.com unter eigener Verantwortung, dass nachstehendes Produkt aufgrund seiner Konzipierung und Bauart sowie in den von uns in Verkehr gebrachten Unter- lagen den nachfolgend aufgeführten EG-Richtlinien und Normen entspricht.

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