The Genevac Inert Gas Purge System User Manual
Contents
1. 12 These instructions are subject to change without notice No part of these instructions may be reproduced in any form or be processed duplicated or distributed by electronic or optical means without the written permission of Genevac Limited All rights reserved Genevac Limited These operating instructions should be read before you use the Genevac Inert Gas Purge System Keep them near the system for easy reference Your attention is drawn in particular to Section 4 Safety Issue 2 8 September 2004 Page 2 of 12 Genevac Inert Gas Purge System Issue 2 8 September 2004 1 Introduction The Genevac Inert Gas Purge system is designed to be fitted to the HT series and series l range of Genevac Evaporators with a minimum of interference to wiring and piping THE INERT GAS PURGE SYSTEM CANNOT BE FITTED TO AN HT 4 SERIES 1 EVAPORATOR THE INERT GAS PURGE SYSTEM IS NOT TO BE TRANSFERRED BETWEEN EVAPORATORS WITHOUT CONSULTING GENEVAC SERVICE The primary function of the Inert Gas Purge system is to control the supply of inert gas to the evaporating system during the evaporation of low flash point solvents such as diethyl ether to prevent the possibility of explosion The system is comprised of a control module and remote control pad 1 1 Safety symbols The following safety symbols are used throughout this manual The definitions and scope of each symbol is as described below WARNIN2. Control Module Weight Dimensions Control Module W x D x H Electrical 8 bar 3 bar 25 litres min STP 2 psi nominal 0 5 psi Automatic 0 9 bar HT 4 0 5 bar HT 8 amp HT 12 9 Kg 260 x 300 x 180 mm Power supply 208 230V 10 50 60Hz single phase lt 1A Note The purge system is powered from the normal pump cable and requires no external connection Fuse ratings 208 230V Issue 2 8 September 2004 T2A Siba Page 10 of 12 Genevac Inert Gas Purge System 7 HEC Declaration of Conformity We Genevac Limited Declare that this product Inert Gas Purge System Complies with the relevant Essential Health and Safety Requirements of the European Machinery Directive 89 392 EEC as amended by 91 368 EEC and 93 44 EEC The EMC Directive 89 336 EEC and the Low voltage Directive 73 23 EEC Conformity is demonstrated by compliance with the following specifications EN 60204 1 1998 Safety of machinery Electrical equipment of machines Pt 1 General Requirements EN 249 1992 Safety of machinery Safety distances to prevent danger zones being reached by upper limbs EN 1088 1996 Safety of machinery Interlocking devices associated with guards Principles of design and selection BS EN ISO 12100 pts 1 amp 2 2003 Safety of Machinery Basic concepts general principles for design BS EN 50082 1998 Electromagnetic compatibility Generic immunity standard BS E
3. G THIS SYMBOL WILL INDICATE HAZARDS THAT CAN LEAD TO SERIOUS MATERIAL DAMAGE OR POTENTIAL SERIOUS INJURY Caution This symbol will give information about hazards that can be harmful to your health or lead to material damage Note This symbol will give information about technical requirements which if not followed can lead to malfunctions inefficiency and reduced productivity IMPORTANT THIS SYSTEM MUST BE EARTHED SEE PAGE 11 Page 3 of 12 Genevac Inert Gas Purge System 1 2 Installation If your inert gas purge system has been purchased with a new evaporation system it will be installed and commissioned by Genevac personnel Series I Contact Genevac Service for installation The following notes have been included for those customers who are retrospectively fitting the inert gas purge system to an existing Series Il evaporation system with a Cole CVP Pump The inert purge system is supplied with a tubing and connection kit to facilitate connection of the unit to your HT evaporation system Refer to schematic diagram page 9 for details Before connecting the pipes to the system ensure that all pipe ends are cut square x Note For transit purposes only the bleed pipe on the purge module S has been cut at 45 Bad connections could cause vacuum loss on system Purge In Connect the inert gas supply to the 8 mm push in fitting via a suitable regulator at the cylinde
4. N 61010 2 020 1995 Safety requirements for electrical equipment for measurement control and laboratory use Particular requirements for laboratory centrifuges Issue 2 8 September 2004 8 Safety WARNING THIS SYSTEM MUST BE EARTHED THIS PURGE SYSTEM IS A SAFETY CLASS 1 PRODUCT ACCORDING TO IEC CLASSIFICATION IT MUST NEVER BE USED WITH ANY _ INTERRUPTION TO THE SAFETY EARTH CONDUCTOR IT 15 AN INSTALLATION CATEGORY II PRODUCT AND IS INTENDED TO OPERATE FROM A NORMAL SINGLE PHASE SUPPLY THIS PURGE SYSTEM HAS BEEN DESIGNED TO BE USED IN A POLLUTION DEGREE 1 ENVIRONMENT NO POLLUTION OR ONLY DRY NON CONDUCTIVE POLLUTION ANY MAINTENANCE REPAIR OF THIS PRODUCT SHALL BE CARRIED OUT BY GENEVAC PERSONNEL OR __ APPROVED REPRESENTATIVES OF GENEVAC USING ONLY APPROVED SPARE PARTS Page 11 of 12 Genevac Inert Gas Purge System Genevac Limited The Sovereign Centre Farthing Road Ipswich IP1 5AP United Kingdom Sales and Service Hotlines Service Hotline 44 0 1473 243000 Sales Hotline 44 0 1473 240000 Fax 44 0 1473 461176 Email salesinfo genevac co uk Web site http www genevac com Genevac Inc 707 Executive Boulevard Suite D Valley Cottage New York 10989 United States of America Sales and Service Hotline 1 845 267 2211 Fax 1 845 267 2212 Email atlas genevacusa com Issue 2 8 September 2004 9 Useful Information If you need to contact Genevac for assistanc
5. e use either the telephone or fax Hotlines given It will always help Genevac Service if you have the serial numbers at hand for the components of your system If you need to contact Genevac Sales for information on Service Contracts or products use the telephone or fax Hotlines given Alternatively Email or visit our web site Page 12 of 12
6. et the VACUUM switch to ON Press PURGE switch Evaporator will auto start when purge is complete Series Il Systems Select appropriate run from the RUN LIST page and press START Press PURGE switch The software will wait until the system has been purged to start the run The pressure gauges on the front of the control module indicate the chamber purge pressure and the regulated pump bleed pressure Refer to the following section for fault analysis Issue 2 8 September 2004 Page 7 of 12 Genevac Inert Gas Purge System Issue 2 8 September 2004 3 Fault Diagnosis N OK GasOK not lit 1 Check inert gas supply connection 2 Check inert gas supply is at the correct pressure See Technical data section for pressure e Momentary dipping in purge pressure causes purge to cancel 1 Check inert gas supply pressure 2 Regulator filter may need servicing contact Genevac Service Department e Purge system resets a few seconds after purge cycle started 1 Check that the lid door of the evaporator the drain valve and flush valve if fitted are closed 2 Check PUMP BLEED VENT VALVE and CHAMBER EXHAUST pipes are properly connected and have no kinks in them 3 Series Pre March 1999 only Check that the VACUUM switch has not been set to ON e Purge system resets when evaporator is spinning up 1 Se
7. he a eyreyac Jser Manual Issue 2 8 September 2004 Genevac Inert Gas Purge System AMENDMENT CONTROL FORM Revision Issue and Reason for Change Date Issued Number 2 1 Additional information in Paragraphs 2 1 and 3 Additional Technical data Introduction of 23 March 2001 Amendment Control Form 2 2 HT 4 Series 1 VVarning and additional information in Paragraph 1 2 for installation and 2 0I May 2001 connection to a Series Evaporator ntroduction of V1 12 Softvvare screen shot Run List 19 June 2001 Redefined Pre and Post March 99 requirements 25 lune 2003 7 Changes to EU Declaration of Conformity 09 February 2004 Introduction of Scroll Pump 20 April 2004 Change to purge times and Run Start pressure 08 June 2004 Change to EU Declaration of Conformity 21 September 2004 Contents AMENDMENT CONTROL 2 1 IH TO a aa 3 1 1 Safety symbols ad aa Au 3 1 2 MEWS WON aaa 4 2 eee eee eee 6 2 1 SOT NE TU pcre tetera patina E m aa 7 3 Faul DIAGNOSIS esinen 8 4 ihert P rg Gass a a i a 8 5 Schematic Diagram cccccccceseeeeeeeeeeeeeseeeseeeseeseeeseesseeseensennees 9 6 Techpieal Lala alay aa 10 7 EC Declaration of Conformity 11 8 I 11 9
8. o start Run start is defined by the chamber pressure falling 25mbar below atmospheric pressure The run start times are as follows 4 60 minutes 8 60 minutes 12 60 minutes Page 6 of 12 Genevac Inert Gas Purge System ola a RUN Sample Holder Deep Hell Plate Deep Hell Plate Deep Hell Plate GENEURC LTD JGJ EDIT GRAPH CLEAR COPY TO DRAIN DEFROST FLUSH OPTIONS HELP Select Run with 11 Menu Item with keys press START to execute 2 1 Starting the run To ensure correct operation of the purge systems all runs using the system must be performed with at least 25mbar of vacuum The purge cycle can be interrupted at any time during the purging cycle by pressing the CANCEL button if the N OK GasOK light extinguishes at any time during the purge cycle the system will reset and you will have to perform a complete purge Ensure that all switches are selected in the order detailed below Series Systems Set heater switches as required for the evaporation run Pre March 99 Requires Upgrade kit 40 5541 Set the SPIN switch to OFF Set VACUUM switch to OFF Press PURGE switch and wait for system to purge When READY light on remote unit illuminates set the SPIN switch to ON When unit is up to speed 2 mins set VACUUM switch to ON Post March 99 Set the SPIN switch to ON S
9. ol module Remote Connect the remote control unit to the REMOTE socket on the purge unit Page 5 of 12 Genevac Inert Gas Purge System TECHNOLOGIES Genehac Issue 2 8 September 2004 2 Operation If your system is fitted with a Cole CVP Pump check the oil level initially on a daily basis until a usage pattern has been established and then as appropriate to ENSURE THAT THE OIL LEVEL IS NO LOWER THAN THE MIDDLE OF THE NOTCH General Ensure that the inert gas supply meets the pressure requirements as detailed in the Technical Data section Switch on evaporator system note that the POWER light and the N OK GasOk light will be illuminated on the purge system remote control unit If NsOK GasOK lamp is not lit then recheck inert gas supply Ensure that the evaporator lid door is closed and if appropriate locked Press START on the remote The PURGING light will flash whilst the system is being purged CHECK THAT THE PURGING PERIOD 15 CORRECT FOR THE EVAPORATION SYSTEM YOU ARE USING The purge times are as follows HT4 8 minutes 60 secs e HT8 24 minutes 60 secs 12 30 minutes 60 secs If the purging period is not correct contact Genevac Service immediately The green READY lamp will be illuminated when the purge cycle is completed and the system is ready Once the system is ready the purge box allows a set time for the run t
10. r See Technical data section for gas pressure requirements EVAPORATOR G gt 6 a4 Evaporator Disconnect the lead connecting the CHAMBER ALTER DRAN EAST FUMEHOOD pump to the evaporator from the pump and connect it to the purge control module EVAPORATOR socket Pump Using the cable supplied connect the purge control module to the vacuum pump Fume Hood Connect the fume hood to the 8 mm push in fitting at the rear of the module Chamber Exhaust Connect the 8 mm chamber exhaust port to a T fitting at the vacuum pump inlet as shown Filter Drain Connect the drainpipe to the 4 mm push in fitting placing the free end of the valve into a suitable waste container Only water will be emitted Vent Valve Connect the vent valve at the rear of the evaporator to the 4 mm push in fitting Pump Bleed Connect the pump bleed on the under side of the pump to the 4 mm push in fitting at the rear of the control module using the double ended push in fitting supplied Remote Connect the remote control unit to the REMOTE socket on the purge unit Issue 2 8 September 2004 Page 4 of 12 Genevac Inert Gas Purge System Note For transit purposes only the bleed pipe on the purge module has been cut at 45 PURGE IN a sa CHAMBER PUMP BLEED VENT VALVE FILTER DRAIN EXHAUST FUME HOOD Issue 2 8 September 2004 1 2 Installation Continued The following notes have been included for
11. ries Il only Check the software version on the evaporator start up screen Version must be v1 08 or later for use with CVP or v2 02 or later for use with Scroll Pump If not contact Genevac Service Dept regarding an update If the lid door is opened during the purge or start up cycle or the CANCEL button is pressed the RESET lamp will be illuminated and purging will stop The red FAULT lamp will be illuminated when there is an internal fault in the control module Contact Genevac Service for assistance in this case 4 Inert Purge Gases The system is suitable for use with either nitrogen or argon which should be dry Consult Genevac Service if you intend to use an alternative inert gas Page 8 of 12 Genevac Inert Gas Purge System Schematic Diagram 5 JOLIN 10 1 02 oul d duind wnnoeA sneuxq4 Jasuapuoy ZL 8 LH ul PLH JUSA H ul 4o E10dEAzI dud isdz p lg dund sneux q yaquieyp A BA JUdA pooH suing OL ipoyi 10nuo9 nd ses Woy oul M ul Joyesodeag Aqddns 562 you 2 Page 9 of 12 Issue 2 8 September 2004 Genevac Inert Gas Purge System 6 Technical Data Inert Gas supply Max pressure Min pressure Flow Nominal Pump bleed pressure Purge system filter draining Set point
12. those customers who are retrospectively fitting the inert gas purge system to an existing Series Il evaporation system with a Scroll Pump The inert purge system is supplied with a tubing and connection kit to facilitate connection of the unit to your HT evaporation system Refer to schematic diagram page 9 for details Before connecting the pipes to the system ensure that all pipe ends are cut square x Jv Bad connections could cause vacuum loss on system Purge In Connect the inert gas supply to the 8 mm push in fitting via a suitable regulator at the cylinder See Technical data section for gas pressure requirements Evaporator Disconnect the lead connecting the pump to the evaporator from the pump and connect it to the purge control module EVAPORATOR socket Pump Using the cable supplied connect the purge control module to the vacuum pump Fume Hood Connect the fume hood to the 8 mm push in fitting at the rear of the module Chamber Exhaust Connect the 8 mm chamber exhaust port to a T fitting and 90 elbow at the vacuum pump inlet as shown Filter Drain Connect the drainpipe to the 4 mm push in fitting placing the free end of the valve into a suitable waste container Only water will be emitted Vent Valve Connect the vent valve at the rear of the evaporator to the 4 mm push in fitting Pump Bleed Connect the pump bleed on the VCU to the 4 mm push in fitting at the rear of the contr
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