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1. I I Vacuum Pump Gas Purifier 14 99 18 00 15 01 a at matt Figure 63 Front view 76 of 82 Removal and Replacement Procedures 10 6 2 Back View Gei B all Figure 64 Back view 77 of 82 Removal and Replacement Procedures 10 6 3Gbox 2G and Gbox 4G 2500 Overall Dimensions 78 94 PURGE VALVE ADJUSTABLE SHELVES HMI CONTROLER FLOURESCENT LIGHT 15 ANTECHAMBER N 26 37 EES ES 44 27 Vacuum Pump Gas Purifier 14 99 18 00 15 011 Figure 65 Gbox 2G 78 of 82 Removal and Replacement Procedures 126 69 47 87 T 47 88 T 30 94 HMI CONTROLER ADJUSTABLE SHELVES 15 ANTECHAMBER 6 MINI ANTECHAMBER VACUUM PUMP GAS PURIFIER Figure 66 Gbox4G 2500 79 of 82 Removal and Replacement Procedures 10 6 4Gbox 3G Overall Dimensions 90 46 60 25 30 21 PURGE VALVE HMI ADJUSTABLE SHELVES 15 ANTECHAMBER VACUUM PUMP ei i GAS PURIFIER Figure 67 Gbox 3G 80 of 82 Removal and Replacement Procedures 10 6 5Gbox 4G 1800 Overall Dime
2. Note Initiating any purge sequence while the blower is running will switch off the blower until the purge sequence is complete The blower will automatically restart after the purge sequence is complete Regeneration Pressing the Regen Control button brings up the following screen Figure 41 This screen allows the user to initiate a regeneration of the purification column Regeneration Control Are the Column Valves Closed HN Is Flow OK Ea Regen State Step Time Regen Regen Start ENT Figure 41 Regeneration Control screen The purification column contains a mixture of copper based catalyst to absorb oxygen and molecular sieve to absorb moisture Over time these materials will become saturated and will no longer be able to absorb the oxygen and water The regeneration process allows these materials to be returned to their original state thus allowing continued scrubbing of oxygen and moisture 47 of 82 System 5 9 1 48 of 82 Operation To maintain optimal performance it is recommended to change the purifier catalyst every three years WARNING The final step step 5 Cooling of the regeneration process exposes the freshly regenerated purifier material to the Glovebox atmosphere The Glovebox must contain less than 100 ppm oxygen prior to starting the regeneration A regeneration cycle comprises five steps as shown below Figure 42 The default times are shown and are measured in minutes Regen Timers
3. Timed Purge Duration min This value sets the length of time that the automatic purge valve will be open if the Timed Purge is started Timed Purge Pressing START initiates the timed purge Timed Purge Counter The counter indicates the elapsed time since the Timed Purge was started After the time limit is reached the automatic purge valve closes Manual Purge Pressing START will open the automatic purge valve The purge valve will remain open until STOP is Pressed Box 1 Active Inactive Indicates whether Box 1 can be purged using the auto purge valve Box 2 Active Inactive Indicates whether Box 2 can be purged using the auto purge valve 4 3 7 Automatic Antechamber Control This feature is only displayed if your system has been factory fitted with automatic Antechamber control Pressing the Automatic Antechamber Control button brings up the following screen Figure 22 32 of 82 4 3 8 Control Panel Functions Antechamber Control Use Antechamber Number E Current Cycle Pressure mbar Figure 22 Antechamber Control screen Use Antechamber Number Allows the user to select which Antechamber to control This is only utilized if your system is configured with multiple automatic Antechambers Current Cycle Indicates how many evacuate refill cycles have already been completed Pressure mbar Indicates the absolute pressure within th
4. Figure 39 Automatic purge valve This feature is only available if your system has been factory fitted with an automatic purge valve Pressing the Purge Control button brings up the following screen Figure 40 Purge Control 02 Level Purge SP ppm 10 Timed Purge Duration min Timed Purge Timed Purge Counter Manual Purge 02 Level Purge Figure 40 Purge Control screen 46 of 82 5 9 System Operation O2 Level Purge SP If the system is fitted with an oxygen analyzer this setting will open the ppm automatic purge valve if the oxygen level exceeds the set value This value can be changed by pressing the value and entering the desired value on the numeric keypad In order to operate this feature the O2 Level Purge must be ENABLED Timed Purge Duration This value sets the length of time that the automatic purge valve will be min open if the Timed Purge is started Timed Purge Pressing START initiates the timed purge Timed Purge Counter The counter indicates the elapsed time since the Timed Purge was started After the time limit is reached the automatic purge valve closes Manual Purge Pressing START opens the automatic purge valve The purge valve remains open until STOP is pressed Box 1 Active Inactive Indicates whether Box 1 can be purged using the auto purge valve Box 2 Active Inactive Indicates whether Box 2 can be purged using the auto purge valve
5. 9 1 2 Column The column contains the material that purifies the box gas a heater for regeneration purposes and a set of either manual or automatic valves that switch on or off the circulation of the box through the column Construction is of stainless steel 69 of 82 System 9 1 3 9 1 3 1 70 of 82 Components The Blower The blower circulates the gas in the Glovebox through the column for purification It is mounted inside an enclosure that is attached to the floor of the purifier module The blower enclosure is connected through two pipes using two KF 40 connections Variable Speed The variable speed blower is fully variable from off through full speed There is one electrical connection containing five wires Two of the wires are for 115 VAC input power and the other two are for a 0 to 10 VDC reference voltage that controls the blower s speed This reference voltage is provided by the PLC controller Vacuum Pump The vacuum pump provides the means to reduce overall pressure levels in the main box and the Antechamber s It is electrically turned on via a Press button on the main control screen In response to this user action the PLC controller turns on a solid state relay The relay supplies line voltage to turn on the pump In response to a requirement to lower the box pressure or pump down an Antechamber the PLC will open valve VA or AE respectively The pump will turn on automatically if it is needed
6. Heat Heat amp Purge Purge Evacuate Cooling Figure 42 Regen Timers screen Single Column Purification System Regeneration Procedure 1 Connect a cylinder of regeneration gas forming gas to the regen gas connection on the rear of the gas purification module The regeneration gas must contain 3 to 7 hydrogen with the balance being nitrogen or argon Ensure that the connections are tightened correctly Open the regulator and set it to 7 psi 2 Turn off the Blower on the Main screen On a single column system this automatically closes the purification column valves 3 Press the START button 4 Press the Yes button next to Are the Column Valves Closed A click will be heard as the solenoid valves open to allow regeneration gas to flow Note All column isolation valves have a yellow indicator tab This yellow tab is not visible when the valve is closed 5 Adjust needle valve on the regeneration flow meter located on the front of the gas purification module to set the flow to 25 30 scfh on the graduated scale on the flow meter 6 Press Yes next to Is Flow OK At this point the regeneration gas will stop flowing Step 1 Heating begins The Regen Status displays as Heating and the timer begins to count up The Regeneration Status is also shown on the Main Screen 7 The system automatically progresses through the regeneration steps 1 to 5 At the conclusion of the regeneration sequence the blower au
7. This User Manual includes information about optional equipment that may not be installed on your system It is presented for clarity and completeness We have indicated which equipment is optional and which equipment is standard In addition a system that has been ordered with custom options may vary from what is documented in this User Manual There may be slight differences due to manufacturing changes This User Manual includes information on Dual Column systems Automatic Antechambers and Automatic Purge systems all of which are optional equipment 1 3 Terms The terms box Glovebox and system all refer to the entire standard configuration The terms regeneration regeneration cycle and regen all refer to the components or process of regenerating the system s purifier or column 1 4 Symbols Used The following are symbols used in this manual and on the Glovebox itself Circuit breaker Electrical Ground Electrical AC current Ol 9 of 82 System Overview 2 System Overview GloveBox is designed as a complete package including box Antechamber s gas purification system and vacuum pump The system is capable of removing O2 and H20 to levels less than 1 ppm O2 and H20 are removed from the inert atmosphere by a combination of molecular sieve and copper catalyst Once saturated these materials are easily regenerated to their original state The GloveBox has
8. atmosphere routing it directly to the purification column or through the solvent removal column prior to the purification column There are arrows on these valves indicating the direction of flow through them To open them turn the black knob counterclockwise To close them turn the black knob clockwise The evac refill valve is located on the front of the unit To the left of the valve is a pressure gauge that indicates the pressure inside the solvent removal column Evacuate will open the solvent removal column directly to the vacuum pump Refill will expose it to the box atmosphere as well as the incoming working gas supply 5 15 2 Opening the Solvent Removal Column 1 Refill the column by turning the evac refill valve to refill until the pressure gauge has returned to 0 and then close the valve 2 Open isolation valves B and C 3 Close isolation valve A It is important that B and C be opened prior to A being closed so that flow to the blower will not be interrupted 4 The flow of box atmosphere is now passing through the solvent removal column prior to passing through the purification column 57 of 82 System Operation S E 3 Figure 55 Solvent Removal Column Open 5 15 3 Isolating the Solvent Removal Column and Removing Solvent Vapors 1 Open isolation valve A This allows the system to continue to circulate through the purification column 2 Close isolation valves B and C This isolates the solvent removal col
9. 10 degrees for ambient system temp 5 14 Heater Control This feature is only displayed if your system has been factory fitted with a heated Antechamber Pressing the Heater Control button brings up the following screen Figure 52 54 of 82 System Operation Heater Control Current Temp 200 Setpoint EUH Range MENS Status EDEN sce Figure 52 Heater Control screen Current Temp Indicates the actual temperature C inside the heated Antechamber Set point Allows the temperature inside the Antechamber to be adjusted up to 250 C Range The deviation C from the set point Status Turns the Heater On and Off By pressing green start button or red stop button WARNING Users can be burned if Ante chamber is not operated properly 5 14 1 Parallel Piped Systems Parallel piping offers the convenience of using a single purifier to control two separate Glovebox modules It is intended that the primary mode of operation will be both Glovebox modules running simultaneously In this case the atmosphere inside each Glovebox module is being circulated through the purifier column The O2 and H20 values displayed are representative of the atmosphere in both Gloveboxes as they share a common atmosphere Each Glovebox module 1 amp 2 is fitted with automatic valves on the gas inlet and outlet to allow isolation of the 2 Glovebox modules One Glovebox module is defined as Box 1 and the other
10. 7 Purge the system with at least 3 cylinders of inert gas for a standard 2 glove system Note If you do not have an Oxygen Analyzer it can be assumed that after purging with three 3 cylinders for a single 2 glove system the Oxygen content in the box is 25 ppm or less Close the Manual Purge valve Open the outlet valve of the O2 analyzer then open the inlet valve Make sure that the batching pump has power It should be plugged into the power strip The power strip should be plugged into the wall outlet Within 15 minutes you can read the Oxygen content on the display 21 of 82 Installation 9 10 After 15 minutes if the O2 level is below 50 ppm close the Purge valve and start the circulation See Circulation below on page 22 The O2 level may increase after the blower has been turned on If the O2 level exceeds 100 ppm stop the blower and continue to purge Repeat steps 9 and 10 as necessary WARNING Do not open O2 analyzer valves until Glovebox has been properly purged Exposure to high O2 levels will diminish the lifetime of the O2 sensor When shipped the oxygen analyzer valves are closed as shown in Figure 8 Figure 8 Oxygen analyzer valves closed In order to monitor the oxygen content inside the Glovebox the left Valve must be turned to the Flow Out Position and the Right Valve must be turned to the Flow In position as shown in Figure 9 ibis oe m tic Figure 9 Oxygen analyzer valves F
11. Capacity Regenerable Solvent Removal Operates identical as the large capacity solvent removal while having the added ability to regenerate the material with in the column See Solvent Regeneration on page 49 for further details 60 of 82 System Operation 5 16 1 Small Capacity Solvent Removal External Figure 59 Small Capacity Solvent Removal External This contains an activated carbon impregnated filter element It is located in the Glovebox circulation piping WARNING It is fitted with an isolation valve that MUST remain OPEN at all times when the Glovebox is running Replacing the filter element 1 Turn off the blower Power down the Glovebox using the main power switch on the gas purification module Close the isolation valve on the housing of the solvent removal system See Figure 59 above Twist the clear base counter clockwise to open the trap Replace the filter element Screw the clear base back into the lid Open the isolation valve Power the system on Purge the Glovebox until the O2 level is less than 50 ppm See Purging on page 21 o o JO om A5 WO NM Turn on the blower 61 of 82 System Operation Small Capacity Solvent Removal Internal Figure 60 Small Capacity Solvent Removal Internal This replaces the Glovebox HEPA filter on the suction side of the gas purification system It is filled with activated carbon It should be unscrewed before purging the Glovebox to
12. Figure 48 Moisture Analyzer The freezer is controlled from the HMI Pressing the Freezer Control button brings up the following screen Figure 49 System Operation Freezer Control Current Temp Em Setpoint EE Range Her ug Status EDU o Figure 49 Freezer Control screen Current Temp Indicates the actual temperature C inside the freezer Set point Allows the temperature inside the freezer to be adjusted Max set point is 35 c Range The deviation C from the set point Status Turns the freezer On and Off By pressing the green start button or red stop button Shelves Cylinderical freezer has a sliding tray with 2 or 3 shelves Rectangle freezer has 5 removable shelves 5 13 1 Box Cooling Control Figure 50 Box Cooling Control This feature is only displayed if your system has been factory fitted with Box Cooling 53 of 82 System Operation Pressing the Box Cooling Control button brings up the following screen Figure 51 Box Cooling Control Current Temp Setpoint Range Status Figure 51 Box Cooking Control screen Current Temp Indicates the actual temperature C inside the Glovebox Set point Allows the temperature inside the Glovebox to be adjusted Range The deviation C from the set point Status Turns the Box Cooling On and Off By pressing the green start button or red stop button Note Boxing will remove
13. Inc representative if you require assistance in troubleshooting 3 7 4 Purging The purpose of purging the system is to displace the air in the box with the inert gas of your choice It is extremely important to displace as much of the air as possible prior to circulating the inlet gas through the purifier column It is advisable to use at least three cylinders of gas per Glovebox module during this purging procedure and to reduce the O2 and H20 levels to less than 50 ppm Note If you have a freezer the door should be open during purging The purging method is as follows 1 Set the Working Maximum pressure to 10 0 mbar and the Working Minimum Pressure to 45 0 mbar See Adjusting the Box Pressures on page 19 Open the manual purge valve located on the top left of the box If your Glovebox system is fitted with an Auto Purge valve refer to Purge Control on page 31 Adjust the flow using the purge valve so that there is a steady flow of incoming gas and the box pressure is maintained at gt 1mbar Create turbulence in the box to increase the efficiency of the purge This can be done by pressing in the gloves and waving inside the box or installing a small electric fan inside the box During the purge process you will need to change the working gas cylinder as it empties You must close the purge valve before changing the cylinder Re open the Purge valve after replacing the cylinder and opening the valve on the cylinder
14. Pressures ooooononccinncinoccccconnnnonncnnnoccnoncn nan nano nana rn rana ranma crac 19 CE EN ee Une EE 21 3 7 5 C010 11 010 ee 22 4 Control Panel FUNCIONS ie 24 4 1 The Main Control Green 24 4 2 Initial ewer ON m 25 4 3 Control Sub Screens oomcinnnininnnninnccncnnncncnnnnncc rc 27 43 1 Regen Control iiie ii dte haan none hated d ch gedet aes e qae epica 27 4 3 2 Regen Timers esee etnne nnn nnn tennis nnns ainia a nsns nn nnne 28 4 3 8 Solvent Hegen entente tentes nn tren tenens nn sensns n nene 29 4 3 4 Solvent Regen Timers ener enne nnne nnn enne 30 4 3 5 Blower Control 30 4 3 6 Purge Control ssssssssssssssssesss esent nnne enne sn tent etre ernst e nene 31 4 3 7 Automatic Antechamber Control 32 4 3 8 Antechamber Comfg nennen nn 33 4 3 0 System COMO e rper tiens 34 4 3 10 Eu EE 35 4 3 11 wn e 36 4 3 12 Box Cooling Control 37 4313 Heater Control siti cccesiecencadaesovsesssdtscacegstecacdaceicadaasteaansatacadanstidacsalateadaasstexsastieladeacstes 37 5 Syst m Operation ici 39 5 1 Adjusting the System Pressure ccccccceceseceeeeeeeeaeeeaeeeeneeseeeeecaaeeeeaaeseaeeeecaeeesaeeseneeseaees 39 iii of 82 Contents 7 8 9 iv of 82 5 2 Using the Antechambers AAA 40 5 2 1 Manual Antechamber Control 40 5 3 Removing an Item from the Glovebox Using the Large Antechamber 41 5 4 Mint Antechi mboer d iecit en exert ie aie ae dave vale 41 5 4 1 Introducing an Item into the Gl
15. The Regeneration Gas Vacuum Pump and Purge exhausts should be handled in accordance with your facility s required specifications The regeneration gas exhaust is 3 8 I D 19 32 O D Tygon tubing The Vacuum Pump exhausts are 1 OD tubing The purge valve should also be vented 1 Female NPT manual purge or KF 40mm flange automatic purge WARNING Proper ventilation of the exhausted gases is imperative as high levels of inert gas can cause asphyxiation 14 of 82 Installation 3 2 Unpacking the System All systems are packaged in specially designed shipping crates These systems require a forklift or similar lifting device to safely remove the Glovebox and Gas Purification module from the crate For more information please ask your MRC Inc representative WARNING Glovebox systems are typically top heavy All systems shipped are shipped on a special designed pallet that includes detachable ramps to enable the Glovebox and Gas Purification module to be rolled off the pallet Please ensure that you have sufficient personnel available to assist in the unloading process to ensure personnel safety To unpack the Glovebox system 1 Place the Glovebox and gas purification module on a level floor in the desired location 2 Remove the shrink wrap and any other strapping that may be supporting the vacuum pump or any other accessories 3 Depending on the exact system configuration purchased there will be one or more boxes conta
16. been designed with the user in mind e The Operator Interface comprises a color HMI Human Machine Interface touch screen that is mounted on a swing arm for ease of use e The foot pedal allows the operator hands free control of the box pressure e Interior and exterior doors are easy to operate e The controls and indicators are simple yet fully functional The GloveBox Figure 1 is designed to be a completely modular system The gas purification system is contained within a separate module that is located beneath the large Antechamber This module has casters allowing easy movement for servicing All service connections are located on the rear of the gas purification system and are clearly labeled 10 of 82 System Overview WORKING GAS 3 8 SWAGELOK Vj Nj V Nj VS Ng S NS NJ SJ Id m miim o ad Nj NJ Nd NS NS YYYUMYYVYYVyyVy d i ug wm 2 E UY UYUYVUVUVUUVUVUVUVUUVUVYUVYULA 3 an AAAAAAAAAAAAAAAAAAAAA AAAA A Od 5 zz o gt ws UYUUVUVUVUUVUVUVUVUVUUUVYUVYUA UI HOI III AU VUUVUVUVUVUUVUUUVUUVUYUVUYUUYUVYA Wd y FSS SSS SSS SSS SS SSS ul sz o amp o H 11 of 82 The Gas Purification s
17. necessary 6 3 Annual or Semi Annual Tasks If the purification capability of the column is not sufficient it can no longer maintain low oxygen and moisture levels regenerate the filter column material If time between regenerations has become minimal replace filter column material Replace box filters 6 4 Safety Inspections Inspect all box wiring for signs of wear or damage Replace any suspect wiring found during the inspection Inspect the window for signs of stress or cracks Replace as needed Never place or stack materials tools or documentation on any part of the Glovebox exterior surfaces except for those that are designed for such purposes Vibration or contact with people or other objects may cause the items to fall Follow all of the routine maintenance tasks listed in this section 63 of 82 Troubleshooting 7 Troubleshooting 64 of 82 These are some of the most frequently asked questions and our responses Problem There is no working gas going into the Glovebox Possible causes solutions If cylinder gas is the tank empty If empty replace the tank Is the regulator open If closed open the regulator Is the needle valve on the regulator open If not open the valve What is the gas pressure If the pressure is too high the valve won t open Pressure on a MRC should be 55 PSI Is the electrical signal getting to the gas GA valve The Valve will illuminate if it is receiving the proper v
18. power on switch 2 3 Circuit Breakers There are seven 7 circuit breakers on the side wall The function of each breaker is indicated on a label at the side of the breaker When they are in the tripped position a white colored tab extends from the middle of the breaker To reset them press the tab back in until it locks in place A label on the inside of the enclosure door contains specific information regarding the circuit breakers Table 1 Circuit Breakers Circuit Breaker Amperage Function 110 220 VAC 15A 10A Illuminated Main Power Switch SCH 6A 3A 24V Power Supply 4A 2A Heater for Column 1 4A 2A Heater for Column 2 5A 3A Lighthood Ho sm 2 4 Foot Pedal A foot pedal is provided so that the box pressure can be increased or decreased without the operator having to remove their arms from the gloves It is a dual pedal switch The right pedal 12 of 82 System Overview increases the box pressure and the left pedal decreases it Note that the working minimum and maximum pressure settings are still being maintained by the PLC control The foot pedal allows the user to add or remove pressure within the working minimum and maximum set points 13 of 82 Installation 3 Installation 3 1 3 1 1 3 1 2 3 1 3 3 1 4 This section explains how to install a Glovebox Pre Installation Requirements Working Gas The working gas requirement is Nitrogen Argon or Helium with a suitable regulator to adjust pr
19. prevent activated carbon particles being dispersed inside the Glovebox Cartridge must be removed from Glovebox to be emptied and refilled 62 of 82 Routine Maintenance 6 Routine Maintenance Regular preventive maintenance will help to reduce box problems that cause down time and increase the overall performance of the system Different environments require different maintenance intervals but the following are the recommended minimum levels of service required 6 1 Daily Tasks Check the gloves for wear or holes Check that they are seated properly and that the exterior O rings are in place Replace worn or defective gloves or O rings as soon as possible See Removal and Replacement Procedures on page 71 Inspect the exterior of the system Ensure that it is kept free from excessive dirt Check that the piping is intact and that all gas supply and vent lines are well connected If necessary clean the exterior Tighten any loose connections Check that the gas supply is sufficient and the flow is adequate If necessary replace the gas supply and adjust the flow rate 6 2 Weekly Tasks Check and replace if necessary the vacuum pump oil This step is crucial to the life of the pump and its ability to perform to specifications Because each pump is different refer to the pump manual for service procedures Check the ante chambers O rings Replace them if they are worn Check the box filters Replace if
20. sealed system The entire system has been pressure and performance tested prior to shipment After assembly the system must be pressure tested to ensure that all of the fittings and pipework have been connected properly After initial power on the Glovebox Control screen shows the following display Figure 3 In order to change any setting the user must log in to the system aen Glove Box Control System Box Pressure mbar BENE O2Level ppm MN H20 Level ppm MN Pump Status WER ee Regen Status aay Blower Status OFF START Figure 3 Glovebox Control screen 1 Press the Login Logout button Figure 4 Installation Login Logout Figure 4 Login Logout button 2 To Log inas a User press the Login User button and then enter the code 7990 The Login User button turns Green and flashes Accepted 3 Press the Main Screen button to reach the Main Glovebox Control screen Figure 5 Glove Box ES Control System Box Pressure mbar a 02 Level ppm MEN H20 Level ppm MS Pump Status WS Regen Status ae Blower Status zk a START Figure 5 Main Glovebox Control screen 3 7 3 Adjusting the Box Pressures The Glovebox Control system is programmed to maintain the Glovebox pressure between the minimum and maximum working pressure settings To adjust these pressure settings 1 Press the System Config button The Glovebox Config Screen appears Figure 6 19 of 82 Installation 5 20 of
21. 82 Glove Box Config Screen Working Gas Type Column In Use Blower Restart Status Vacuum Pump Timer Working Minimum SP Working Maximum SP Figure 6 Glovebox Config Screen Press the Numeric blue display button next to Working Maximum SP A numerical input screen appears Figure 7 Type in 12 0 and press the Enter key Press the Numeric blue display button next to Working Minimum SP A numerical input screen appears Type in 10 0 and Press the Enter key Working Pressure Maximum Cancel Enter Figure 7 Numerical input screen You will hear working gas enter the box automatically and the pressure indicators will read 11mbar a Ensure that the inside and outside doors to the Antechambers are closed b Turn on the vacuum pump by pressing the Start button on the main screen c Open the evacuate valve on the Large Antechamber and allow the Antechamber to evacuate to 30 d Close the evacuate valve e Repeat this process for the mini Antechamber Wait 10 minutes to allow the Glovebox to stabilize Installation 6 Use the appropriate foot pedal to add remove gas to from the Glovebox to reach a pressure of 11 0 mbar 7 Using a timer wait 25 minutes and observe the current box pressure e Ifthe pressure has not decreased more than 1 mbar in this time period the Glovebox is leak tight e Ifthe pressure drops more than 1 mbar check all of the connections that were made during the assembly process Contact your MRC
22. Contents 10 Removal and Replacement Procedures esee 71 104i BO WBRA EE 71 10 2 e MM A UCA de ad EAS ee ee etd ee a eee ee 71 10 3 Fleitas A EE e de fac wie t i a uento oc la nes 72 10 4 ele ities nite em ee eret e cep det Uds dott Hi aset ene e tado E ei ad oec deus 72 10 4 1 Replacement with an Internal Glove Port Cover 72 10 4 2 Replacement without an Internal Glove Port Cover 73 10 4 3 Control Box Panel iii deett vetet ad d ecu taupe need 73 1 0 4 4 Circuit Breakers 5 t IO He eee ees 73 10 4 5 dee EE Lat ettet aed aede ette d E 73 10 4 6 Solid State Relays etcetera terti adas 74 NI ee OCH 74 10 4 8 Vacuum PUMP ii ae ccc E 74 10 5 A oe ae a ae aes sel E DA aN ed ds em 75 10 6 System DIAgrams aia ii eet heidi 76 10 6 1 Eront VIew iuit t tete a e etm etis eei evel 76 10 6 2 Back VIeW ice tete teeth E Ee edita ee aar 77 10 6 3Gbox2G and Gbox4G 2500 Overall Dimensions eeR 78 10 6 4Gbox3G Overall Dimensions oooocccccccccnononononcnnnnnnnanancnonnnnnnancnnnnn nono nnnncn cnn nn nnnnnnanananans 80 10 6 5Gbox4G 1800 Overall Dimensions nono naco nnn nono nn nncnncancn nn no nananns 81 10 6 6Gbox4G 1950 Overall Dimensions nono nnnna nana ncn nono nenne 82 v of 82 Contents Figures Figure 1 GDOX wins Ae nA eT ia 11 Figure 2 Assembled Glovebos teas eeeaaeeeeeeeeeaeeeeaaeseaaeeseeeeeceaeeesaaeseeeeeseaeeseaeeeseaeeseneeess 15 Figure 3 Glovebox Cont
23. Step 4 Evacuate Indicates duration of Evacuate Cycle in minutes Step 5 Cooling Indicates duration of Cooling Cycle in minutes Regen Screen Button Returns to the Regeneration Control screen Solvent Regen Button Accesses sub screen below Figure 18 Note 1 All times shown are factory defaults Note 2 This feature is only available on systems fitted with a Large Capacity Regenerable Solvent Removal System 4 3 3 Solvent Regen Solvent Regeneration Control Are the Hand Valves Closed YES Is Flow OK EBEN Regen State Step Time Regen Start Figure 18 Solvent Regeneration Control screen 29 of 82 Control Panel Functions 4 3 4 4 3 5 30 of 82 Start Button Initiates a solvent regeneration Are the Column Valves Closed Prompts the user to CLOSE the manual isolation valves on Large Capacity Regenerable Solvent Removal Column Is Flow OK Prompts the user to acknowledge that the inert gas is flowing Regen Status Indicates the current step in the regeneration cycle Step Time Indicates the elapsed time for the current step Abort Button Allows the user to abort a regeneration within the first 5 minutes of starting Regen Timers Button Accesses sub screen below Figure 19 Solvent Regen Timers Solvent Regen Timers Heat Evacuate Purge Evacuate 2 Cooling Figure 19 Solvent Regen screen Step 1 Heat Indicates durati
24. acuum valve to evacuate the Antechamber 29 in HG Close the vacuum valve and open the refill valve until the pressure reads 15 in HG Repeat steps 5 and 6 at least three times finally refilling to atmospheric pressure Close the refill valve o ON Oo Oi P WO DY a Open the inner door and remove the object from the Antechamber 40 of 82 5 3 System Operation Inside Antechamber with tray Inside Mini Antechamber 0 3 micron box filter Figure 33 Inside Antechambers Removing an Item from the Glovebox Using the Large Antechamber It is extremely important that the Antechamber contains purified gas since opening the inner door will expose the box to the Antechamber If you are not certain of the status of the Antechamber then evacuate and refill 3 times before proceeding We suggest that you keep the Antechamber under vacuum This will prompt you to refill before proceeding 1 Ensure that the outside door is fully closed 2 Ensure that the refill valve is closed 3 Open the inner door 4 Insert the object into the Antechamber and close the inner door 5 Open the outside door and remove the object 5 4 Mini Antechamber 5 4 1 The same precautions above are true for the mini Antechamber This section describes the manual operation of the mini Antechamber Specifically it lists the steps necessary to transfer an object into and out of the Glovebox These steps assume that the atmosphere inside the chamber
25. and tight insert the rest of the hardware and tighten all bolts Excess sealant will squeeze out from between the flanges 5 Clean the excess sealant it is easier to do this when the sealant is slightly dry Clean the entire interior of the Glovebox 16 of 82 Installation 6 Place the window on the box See Removal and Replacement Procedures on page 71 7 Install the gloves and glove O rings See Removal and Replacement Procedures on page 71 3 4 Electrical Connections The primary power cord has been retracted into the gas purifier module to prevent damage during shipment Simply loosen the strain relief pull the cord through the strain relief and plug it into the proper wall receptacle The plug that is connected to the power strip is also inserted into the proper wall receptacle Note Glove boxes are shipped with many different options Please review each section in this User Manual that applies to the configuration of the system being installed 3 5 Gas Connections IMPORTANT Male sure you have installed the proper regulator on the working gas cylinder and on the regeneration gas cylinder connected tubing of sufficient length and ensured that there are no leaks The fittings for both gases are located on the rear wall of the gas purifier module Connect the working gas to the appropriately labeled compression fitting and tighten it 1 25 turns from finger tight Over tightening compression fittings can cause pro
26. anro Gbox Glovebox User Manual ii of 82 Contents ell vi BE vii 1 About This Manual cuina ide 9 1 1 Firmware Hevisions eene enne nennen ener nnne nr rr iren nE sre n nennen nns 9 1 2 Optional Eouipment seen nnne nennen nnns sn tres enn n enne 9 DEM ur 9 1 4 Symbols Used sensn tnn en nennen str nsi n tte treten enses nr nsn n tenens 9 2 SVS LOMO VOI MIC mec etr 10 2 1 The PLO Enclosure nennen enne nnne nnn nnne tnis en nennen nennen nns 12 2 2 SN eene en nnns nennen nennen nannten sre 12 29 Circuit Brakels cuicos nee nd e eb esu bred ud eubl es aduer d ae iia 12 p Ml e a E E 12 A eege eege 14 3 1 Pre Installation Heouirements enne 14 INi Working EE 14 3 12 Regeneration GaS EE 14 313 Electricals ienie aN E REN ERENER AA PERR EEE N 14 ES AS AAA AA 14 3 2 Unpacking the System sssssssssssssssssssseenennenen nennen inneren rn 15 39 lA eene SN aiia anada aidan inia dRaad aiiai anika aai aan aah 15 3 4 Electrical Connections sserrep neie iE nne EN EEEE Eaa Ria ER eNi 17 35 Cas e Tee 17 3 6 Venting Connections sssssssssssssesseeeene ener rra 17 3 7 Commissioning the Gystem eene nennen nennen nnne tenens 17 3 7 1 Switching Power On 18 3 7 2 Pressure Testing the System 0 ccceeceeceeeeeeeeeeeeeeeeeeeeeeeaeeeeaaeseeeeseeeeeesaaeeeeaeeeeeeeees 18 3 7 8 Adjusting the Box
27. blems Note If you are not familiar with compression fittings please call your MRC representative for further assistance Set the Working Gas pressure to 55 psi Set the Regen Gas pressure to 7 psi These connections are 3 8 in North America and 10mm outside North America 3 6 Venting Connections All exhaust connections should be made in accordance with your internal HVAC guidelines The fitting on the vacuum pump exhaust is 1 stainless steel tube stub The exhaust from the purifier is 3 8 ID hose The exhaust from the purge valve is 1 Female NPT WARNING Proper ventilation of the exhausted gases is essential as high levels of inert gas can cause asphyxiation 3 7 Commissioning the System You are now ready to begin the commissioning the system This section assumes that all prior sections have been completed as described 17 of 82 Installation 3 7 1 3 7 2 18 of 82 Switching Power On The main power ON OFF switch is accessible from the left side of the gas purifier module on the side wall of the PLC enclosure Switch the power on The main power switch light ups All box electrical equipment is enabled with this switch There is no other action necessary to turn power on with the possible exception of optional equipment The fluorescent light in the hood is controlled by its own manual switch located on the top of the light hood Pressure Testing the System The Glovebox system is a leak tight hermetically
28. box requires a more positive pressure valve GA opens enabling working gas to enter the circulation loop prior to the column This allows the gas to be purified before entering the box When the box requires less pressure valve VA opens enabling the gas from the box to be drawn out by the vacuum pump The remaining valves are for system regeneration purposes REVISIONS zone eV DESCRIPTION DAE APPROVED 14 REL A INITIAL RELEASE 3 20 2009 em METER ya VENT sie m ai HA ye L NZ REGEN GAS CAL PORT A j AX WORKING GAS 2 FLOWIN CS O2SENSOR y y SAMPLE A VAGUUM FLOW OUT BOX PRESSURE TO 1 4 CONTROL PANEL TO COLUMN SUPPLY RETURN T SOLENOID VALVES 1 4 TYGON 3 8 1 D Column valves 3 8 e 3 8 dh 3 8 L sm y ve To valve To flow BLOWER d block meter GA RG VALVE BLOCK A m VA Column One 7 B SUPPLY co RV EX T 318 15 RETURN 7 3 i MOISTURE 3 8 3 8 PROBE NOTE CHECK VALVE DX THREE WAY BALL VALVE WE SA SOLENOID VALVE Deet STANDARD PIPING VN SACO 1 SIZE DWG NO REV VALVE FLOW DIRECTION B 73209 71612 A EXHAUST To valve Block ALE DRAW SCALE 1 1 WEIGHT SHEET OF 1 Figure 61 General Box Flow 9 1 1 Piping and Valves All piping and tubing is stainless steel unless otherwise specified All electromagnetic valves are stainless steel with brass bases unless otherwise specified All electro pneumatic valves are stainless steel unless otherwise specified
29. by the system Chambers There are many different types of Antechambers available from MRC Inc However the standard chamber is a 15 I D by 24 long cylinder mounted on the left or right side of the box In addition to this a 6 x 15 mini Antechamber is also available on either side Removal and Replacement Procedures 10 Removal and Replacement Procedures These procedures are intended to be a guideline for removing and replacing various components of the system for either routine maintenance or basic repair of the system They are not intended to be exact step by step instructions It is assumed that the person using these procedures is capable of performing basic mechanical and electrical tasks 10 1 Blower To replace the blower proceed as follows a fF WO N on o 10 Turn off the blower Turn off the system main power Remove the left side panel from the purifier module Remove the electrical connector from the blower Loosen and remove the two clamps that attach the piping Cover the opening with KF 40 blanks or plastic caps to prevent excess outside air from entering the system Remove the blower box assembly and replace it with a new one If possible purge the box piping with working gas Connect the piping with the clamps Connect the electrical connector Power the system on and check for leaks 10 2 Column To replace the filter material in the purifier column you will need a vacuum cleaner fu
30. catalyst regeneration procedures Blower The blower is a vital component in the Glovebox gas purification system because it is responsible for continuously circulating the Glovebox atmosphere through the purifier column to remove oxygen and moisture The blower is comprised of a fan hermetically sealed inside an enclosure that is connected to the circulation pipework to create a leak tight closed loop The blower is located inside the gas purification module typically located beneath the large Antechamber The Blower is turned on and off by Pressing the START STOP button The current Blower Status is shown in the Blue Box If the Blue Box indicates OFF then the Green button next to it will display START Pressing the START button will turn on the Blower The Blower status will now show as ON and the Red STOP button will be visible Pressing this Red STOP button turns off the Blower When the BLOWER switch is activated the PLC opens the column valves to enable circulation The Blower Control button opens a control screen that allows further interaction with the blower settings See Blower Control on page 30 Note For the blower to operate correctly the system must be supplied with at least 55 psi of inert working gas pressure 4 3 Control Sub Screens 4 3 1 Regen Control Pressing the Regen Control button brings up the following screen Figure 16 27 of 82 Control Panel Functions This screen allows the user t
31. dication that the box electronics are functioning properly and that perhaps the higher power relay is not working 66 of 82 Table 2 Relay Functions and Connections System Control Electronics Connector Function Connection GAS Gas valve opens the box to the working gas source Valve block GA increases box pressure VAC Vacuum valve opens the box to the vacuum pump reduces Valve block VA box pressure AEI Antechamber 1 evacuate opens the chamber to the vacuum Antechamber 1 pump AE2 Antechamber 2 evacuate opens the chamber to the vacuum Antechamber 2 pump ARI Antechamber 1 refill allows the Antechamber to refill from Antechamber 1 the box AR2 Antechamber 2 refill allows the Antechamber to refill from Antechamber 2 the box BLI Blower activates the column 1 valves to enable the blower Column 1 valves speed control to turn on the blower BL2 Blower activates the column 2 valves to enable the blower Column 2 valves speed control to turn on the blower Col Cooling vents column 1 Valve block CO CXI Column 1 flow control used in dual column systems Dual column in line pipe CX2 Column 2 flow control used in dual column systems Dual column in line pipe EXI Regeneration gas exit column 1 Main cell block EX FRZ Freezer control Freezer Power Crydom HTR Heater control Furnace power Crydom HIT Heater control column 1 Heater Crydom HT2 Heater control col
32. e Antechamber as measured with the digital vacuum gauge EVAC Pressing this evacuates the Antechamber Press again to stop evacuating REFILL Pressing this refills the Antechamber with inert gas from the Glovebox Press again to stop refilling AUTO Pressing this causes the button to turn Green and start the evacuate refill sequence The individual steps associated with this are accessed and changed in the Antechamber Config screen Figure 23 Antechamber Config Antechamber Config Auto Evacuate SP mbar Antechamber Cycles Auto Refill Duration Sec Auto Final Refill Sec Figure 23 Antechamber Config screen 33 of 82 Control Panel Functions Auto Evacuate SP The set point that the Antechamber will be evacuated to mbar Antechamber Cycles Determines the number of evacuate refill cycles that occur under Automatic operation Auto Refill Duration Determines the duration of all refills except the final refill sec Auto Final Refill Determines the duration of the final refill 4 3 9 System Config Pressing the System Config button brings up the following screen Figure 24 Glove Box Config Screen Working Gas Type Column In Use Blower Restart Status Vacuum Pump Timer Working Minimum SP Working Maximum SP Figure 24 Glove Box Config screen Working Gas Type Allows selection of Nitrogen or Argon as working gas Column in Use Indicates which purifie
33. e is displayed in mbar relative to atmospheric pressure The current pressure is displayed in the blue bar For information on adjusting the box pressure see Commissioning the System on page 17 O2 Level ppm If your system is equipped with an O2 Analyzer the current real time O2 level in ppm will be displayed here H20 Level ppm If your system is equipped with a H2O Analyzer the current real time H20 level in ppm will be displayed here Pump Status The Vacuum Pump is turned on and off by pressing the START STOP button The current Vacuum Pump Status is shown in the Blue Box If the Blue Box indicates OFF then the Green button next to it will display START Pressing the START button will turn on the vacuum pump The pump status will now show as ON and the Red STOP button will be visible Pressing this Red STOP button will turn off the vacuum pump The pump also has its own on off switch mounted on the motor This should be in the on position at all times The vacuum pump has three purposes in the Glovebox operation e Removal of excess pressure from the Glovebox e Evacuation of the Antechambers e Evacuation of the purifier column during the Regeneration cycle Regen Status Indicates whether the purifier column is currently being regenerated It displays the current stage of regeneration and the time in minutes that has elapsed in that stage Refer to the regeneration section for further details regarding
34. emoved Disconnect the clamp from the pipe Disconnect the AC line cord Remove the bolts that secure the pump to the box frame Remove the old pump Install the new pump in reverse order Ensure that the new pump has the proper oil and that the oil level is correct Power on the system and test for proper operation Removal and Replacement Procedures 10 5 Window Replacing a window requires the box be exposed to open air and later purged and possibly regenerated 1 2 3 4 Stop box circulation by turning off the blower switch Remove all of the bolts from the window frame and remove the frame Remove the window and discard properly Ensure that the window gasket is completely attached to the box frame and that it is free from all dirt or other material that would prevent a good seal Mount the new window Ensure that the window is sitting above the window shims clear plastic material along the bottom edge Position the window frame over the window and insert all corner bolts but do not tighten them Insert the remaining bolts while ensuring the window is properly positioned 8 Tighten all bolts 75 of 82 Removal and Replacement Procedures 10 6 System Diagrams po VALVE 10 6 1 Front View ADJUSTABLE SHELVES HMI CONTROLER FLOURESCENT LIGHT 15 ANTECHAMBER 26 37 44 27
35. ent with an Internal Glove Port Cover An internal glove port cover is used to seal off the glove port from the inside of the Glovebox If the glove port cover is not inside the Glovebox bring it in via the Antechamber Install and tighten the glove port cover on the port that has the glove that is to be replaced Remove the O rings that hold the glove onto the glove port Remove the old glove and discard it properly Compress the new glove as much as possible to remove excess air Install the new glove over the glove port zl Oo oO 5 WO D ch If possible purge the new glove by venting working gas into it via a separate gas line this removes as much air as possible and hence reduces the amount of air being introduced into the system 8 Install the O rings onto the new glove port over the new glove 9 Remove the internal glove port 72 of 82 Removal and Replacement Procedures 10 4 2 Replacement without an Internal Glove Port Cover Without an internal glove port cover the old glove can be used to cover the port while the new glove is installed Press the glove that is to be replaced into the box 2 Remove the inner glove port O ring that which is closest to the window o Fold back the glove onto the outer O ring taking care not to let the glove come off of the port Compress the new glove as much as possible to remove excess air Install the new glove over the glove port over the
36. er Status EDITAE START Figure 12 Glove Box Control System 24 of 82 Control Panel Functions 4 2 Initial Power On When the system is powered on the following screen Figure 13 is appears EN Glove Box Control System Box Pressure mbar gu 5 02 Level ppm MN H20 Level ppm MS Pump Status WEE Regen Status Oo Blower Status OFF START Figure 13 Glovebox powered on This screen indicates the basic status parameters but does not allow any interaction until the user logs in to the HMI Customers may only log in as a User To log in press the Login Logout button The following screen Figure 14 appears Login Logout Figure 14 Login Logout screen To log in as User press the gray Login User button A numeric data entry screen appears The User Login password is 7990 After pressing the Enter button the Main Control Screen appears with fully functional buttons Figure 15 25 of 82 Control Panel Functions aen Glove Box Control System Box Pressure mbar O 5 02 Level ppm BE reer H20 Level ppm MS Pump Status WEE scans Regen Status DA Blower Status OFF START Figure 15 Glove Box Control System with fully functional buttons Note Depending on the particular configuration of your system not all buttons may be available 26 of 82 Control Panel Functions Box Pressure mbar The Main Control Screen continuously displays the current Glovebox pressure This pressur
37. er cable 4 Release the clip on the bottom of the power supply This will release it from the DIN rail 73 of 82 Removal and Replacement Procedures 5 Reinstall in reverse order 10 4 6 Solid State Relays Mark all wiring before removal To replace the SSRs proceed as follows 1 Remove system AC power at the source 2 Disconnect the DC control wiring right side of SSR screws 3 amp 4 3 Disconnect the AC control wiring left side of SSR screws 1 amp 2 4 Remove the screws holding the SSR to the white backing panel 5 Reinstall in reverse order 10 4 7 Valves If an electrical valve should fail it can be replaced as follows 1 zl Oo Oo 5 WO M 8 Remove Glovebox AC power Do not assume that the valve is off and will stay off because the PLC can switch a valve on due to an external event If the GA valve is being replaced ensure that the gas supply is off If the VA valve is being replaced ensure that the vacuum source is off Remove the electrical connection by loosening the center screw Remove the solenoid by removing the four top screws Replace the new solenoid in reverse order Turn on the gas and vacuum supply and power on the system Test the new valve for operation and for leaks 10 4 8 Vacuum Pump 74 of 82 To replace the vacuum pump proceed as follows 1 oN O oa 5 WO NM Remove box AC power If the vacuum pump is powered separately from the system ensure that the power is r
38. essure to 55 60 psi The working gas must be connected to the gas inlet on the Glovebox either by flexible hose or hard copper plumbing to a 3 8 compression connector Four 4 cylinders are required three 3 for purging and one 1 for the final operation of the Glovebox Note 1 Refer to system specific installation requirements for further details This document was supplied prior to shipping the system Please contact your local MRC representative if you need another copy Note 2 The working gas tubing must be 3 8 outside diameter for the entire distance from the regulator to the working gas connection Any reductions in tubing diameter will result in insufficient gas flow for optimum system performance Regeneration Gas Note The gas purification system has been regenerated and performance tested to lt 1ppm of O2 ands H20 at our factory prior to shipment It does NOT need to be regenerated prior to first use upon installation One cylinder of Nitrogen or Argon containing approximately 3 to 7 Hydrogen Electrical All MRC Inc Glovebox systems are configured to operate using the electrical power standard for the region in which the Glovebox has been ordered Note The standard 2 glove system requires 2 electrical outlets one for the main system power and one for the power supplied to the power strip inside the Glovebox Larger systems and those configured with other options require additional outlets System Exhaust Note
39. g pressure settings To adjust these pressure settings 1 Press the System Config button Glove Box Config Screen Working Gas Type Column In Use Blower Restart Status Vacuum Pump Timer Working Minimum SP Working Maximum SP Figure 30 Glove Box Config screen 2 Press the Numeric blue display button next to Working Maximum SP A Numerical Input screen appears Type in the desired maximum pressure and Press the Enter key 3 Press the Numeric blue display button next to Working Minimum SP A Numerical Input screen will appear Type in the desired minimum pressure and Press the Enter key Working Pressure Maximum Cancel Enter Figure 31 Numerical Input screen 39 of 82 System Operation The Glovebox will automatically adjust the Glovebox pressure to be between these two limits 5 2 Using the Antechambers 5 2 1 Manual Antechamber Control This section describes the manual operation of the large Antechamber Specifically it lists the steps necessary to transfer an object into and out of the Glovebox These steps assume that the atmosphere inside the chamber is pure and not open to the outside air Introducing an item into the Glovebox using the Large Antechamber Large Antechamber Figure 32 Large and Mini Antechambers Ensure that the inner door is fully closed Ensure that the refill valve is closed Open the outside door and insert the object into the Antechamber Close the outside door Open the v
40. he Antechamber 43 of 82 System Operation Large Antechamber Mini Antechamber Figure 36 Inserting an object into the Antechamber 4 Close the outside door 5 Press the Auto button The system evacuates and refills as many cycles as programed The system final refills 6 Open the inner door and remove the object from the Antechamber Figure 37 Removing object from Antechamber 44 of 82 System Operation 5 7 Removing an Item from the Glovebox Using the Large Antechamber 5 8 It is extremely important that the Antechamber contains purified gas because opening the inner door will expose the box to the Antechamber If you are not certain of the status of the Antechamber then evacuate and refill 3 times before proceeding We suggest that you keep the Antechamber under vacuum This will prompt you to refill before proceeding 1 Ensure that the outside door is fully closed 2 Ensure that the refill valve is closed 3 Open the inner door 4 Insert the object into the Antechamber and close the inner door 5 Open the outside door and remove the object Purge Valves Manual Purge Valve As standard the Glovebox is fitted with a hand operated 2 Way Ball Valve that is used to manually displace atmosphere from the Glovebox The valve must be closed fully after purging process to prevent loss of box pressure Figure 38 Hand operated 2 Way Ball Valve 45 of 82 System Operation 5 8 1 Automatic Purge Valve
41. he connections are tightened correctly Open the regulator and set it to 7 psi 2 Open the by pass valve labeled A in Figure 44 below This is located in the Gas Purifier The top must be removed to access valve 49 of 82 System Operation Figure 44 Gas purification module 3 Close the isolation valves labeled B amp C connected to the solvent column This is located in the Gas Purifier The top must be removed to access valve 4 From the Main Control Screen select Regen Control Then select Solvent Regen Solvent Regeneration Control Are the Hand Valves Closed ESSE Is Flow OK YES O Regen State Step Time Regen Start Figure 45 Solvent Regeneration Control screen 5 Press the START button Figure 45 6 Press the Yes button next to Are the Column Valves Closed A click will be heard as the solenoid valves open to allow regeneration gas to flow 7 Adjust needle valve on the regeneration flow meter located on the front of the gas purification module to set the flow to 25 30 scfh on the graduated scale on the flow meter 50 of 82 System Operation 8 Press Yes next to Is Flow OK At this point the regeneration gas stops flowing Step 1 Heating begins The Regen Status shows as Heating and the timer begin to count up The Regeneration Status is also shown on the Main Screen 9 The system automatically progresses through the regeneration steps 1 to 5 10 Upon completion of the solvent rege
42. ining items such as gloves power strips etc inside the large Antechamber and on the pallet Carefully inspect all packaging materials before discarding to ensure that any small components are not misplaced 3 3 Assembly Figure 2 Assembled Glovebox 15 of 82 Installation Note For double box systems the two boxes need to be joined prior to performing the following procedure See the next procedure To assemble a double box system To install the Glovebox system 1 See Glovebox layout drawing Figure 1 The Glovebox system has lockable casters on each leg to facilitate its placement Once in place the casters can be adjusted to lock the system in place 2 Level the system by adjusting the leveling feet underneath each leg 3 Place the Gas Purification module underneath the Large Antechamber 4 Connect the Gas Purification module to the Glovebox Match up the labels on the piping and components to the labels on the Glovebox and the gas purification module e g 1 connects to 1 2 connects to 2 A connects to A etc 5 Lock the Purifier Cart into place by adjusting the casters 6 Locate and install the shelves inside the box at your preferred height The shelves are adjustable and can be relocated at any time Fit the shelves into the box by sliding them through the Antechamber It is not necessary to remove the window 7 Place the power strip in the box as desired Connect the ma
43. is pure and not open to the outside air Introducing an Item into the Glovebox Using the Mini Antechamber 1 Ensure that the inner door is fully closed 2 Ensure that the 3 way valve for mini is closed 3 Open outside door and insert the object 41 of 82 System 1 5 4 2 Operation Close outside door Turn 3 way valve to evacuate Evacuate to best level of vacuum 29 hg Turn 3 way valve to refill Repeat steps 5 through 7 at least three times Close 3 way valve O O ON Oo Om P Open inner door and remove object from chamber Removing an Item from the Glovebox Using the Mini Antechamber 1 Ensure that the outside door is fully closed 2 Ensure that the 3 way valve for mini is closed 3 Open inner door and insert the object 4 Close inner door 5 Open the outer door and remove the object Since the chambers share common vacuum and gas piping we do not recommend using both at the same time 5 5 Automatic Antechamber Control 42 of 82 This feature is only displayed if your system has been factory fitted with automatic Antechamber control Pressing the Automatic Antechamber Control button brings up the following screen Antechamber Control Use Antechamber Number BE Current Cycle Es WE Pressure mbar EUM Figure 34 Antechamber Control screen System Operation Use Antechamber Number Current Cycle Pressure mbar Allows the user to select which Antechamber to automatically con
44. le plug to the female outlet which leads to the feed through on the side of the box 8 The oxygen analyzer requires that the small sampling pump be connected to the black tubing connected to the bulkhead fitting on the inside of the Antechamber wall The batching pump should also be plugged into the electrical power strip inside the Glovebox 9 Attach the purge valve to the corresponding KF 40 flange located on the top of the Glovebox The purge valve and flange are labeled like the removed plumbing For the auto purge version locate and connect the electrical and pneumatic lines 10 Install the gloves Gloves are placed inside the box through each glove port The cuff end of the glove is stretched over the glove port until the lip fits into the last groove Two O rings are then stretched over each glove and placed in the outer two grooves To assemble a double box system 1 Remove the window from one box See Removal and Replacement Procedures on page 71 2 Press both boxes together and make them level on the inside by adjusting the leveling feet After the boxes are level lock the leveling feet into position 3 Press both boxes apart far enough so that you can fit between them Apply a bead of DAP latex sealant approximately 1 8 3 16 wide continuously around the flange of one box in the area between the inside of the box and the bolt holes 4 Press the boxes together and put in the four corner bolts After the four are in and h
45. low In Note When purging is complete you may adjust the Minimum and Maximum Working pressures to attain the operating pressure that best suits your needs and comfort 3 7 5 Circulation The blower is designed to circulate the Glovebox atmosphere continuously through the purifier column For optimum performance the blower must run constantly Turning off the blower results in the atmosphere within the Glovebox degrading as it is not being circulated through the O2 and H20 absorbing materials contained within the purifier column O2 and H20 levels inside the Glovebox will rise if the blower is switched off The blower can be switched on and off from the main control screen The blower control screen can be accessed by Pressing the Blower Control button on the main control screen Figure 10 22 of 82 Installation ES Glove Box Control System Box Pressure mbar WE Se 02 Level ppm WE eegen H20 Level ppm MN Pump Status WEE scans Regen Status has Blower Status oF START Figure 10 Glove Box Control System Blower Control O2 Blower Enable Blower Timer Change Blower Speed Blower Mode Blower Speed Regen Blower Restart Start Stop Figure 11 Bower Control screen Starting the blower automatically opens the valves on the column and circulates the box atmosphere through the purifier column There will be a momentary rise in oxygen because of the small amount of air trapped in the blower The blo
46. module is Box 2 Under the sub screen Blower Control The system can operate 3 ways Press for Box 1 Selecting this will change the button to green to indicate that the purifier will only interact with Box 1 Pressure will only be controlled in Box1 and the displayed O2 and H20 values are for Box 1 only WARNING In this state Box 2 is completely isolated and should not be used This mode would typically be used to enable Box 2 to be opened to air for cleaning while continuing to circulate Box 1 atmosphere through the purifier 55 of 82 System Operation Press for Box 2 Selecting this will change the button to green to indicate that the purifier will only interact with Box 2 Pressure will only be controlled in Box 2 and the displayed O2 and H20 values are for Box 2 only WARNING In this state Box 1 is completely isolated and should not be used This mode would typically be used to enable Box 1 to be opened to air for cleaning while continuing to circulate Box 2 atmosphere through the purifier Press for Both Selecting this changes the button to green to indicate that the purifier will circulate through both Box 1 AND Box 2 when the blower is started Note For the three modes of operation described above the Blower Start button must be used to initiate circulation Biower Control 02 Blower Blower Timer DISABLED DISABLED Change Blower Speed 1234 MANUAL DISABLED Blower Mode Blower Speed Regen Blowe
47. nennen sitne nene 40 Figure 33 Inside Antechambers AAA 41 Figure 34 Antechamber Control screen 42 Figure 35 Antechamber Config screen 43 Figure 36 Inserting an object into the Antechamber enne 44 Figure 37 Removing object from Antechamber esses nennen nnne nene 44 Figure 38 Hand operated 2 Way Ball Valve eene enne nennen nnne nene 45 Figure 39 Automatic purge valve anna 46 Figure 40 Purge Control screen 46 Figure 41 Regeneration Control screen 47 Figure 42 Regen Timers screen seen tnn tene nnns nnns en trne innen instr tnter 48 Figure 43 Glove Box Config screen 49 Figure 44 Gas purification module ener nennen nnne nente nennen nnns rennen 50 Figure 45 Solvent Regeneration Control screen 50 Figure 46 Oxygen analyzer valves Closed position ooooccccnncnnnccnncccnncccnnonnnonacnnanc cnn nana 51 Figure 47 Oxygen analyzer valves Flow Out position 51 Figure 48 Moisture Analyzer sse rana rente rana cnn 52 Figure 49 Freezer Control screen 53 Figure 50 Box Cooling Control 53 Figure 51 Box Cooking Control screen 54 vi of 82 Contents Figure 52 Heater Control screen 55 Figure 53 Blower Control screen 56 Figure 54 Purge Control screen seen ener enn thnn enint tnne ettet innen ensis snnt entes 57 Figure 55 Solvent Removal Column Open eene nnne nnne nnne nene 58 Figure 56 Solvent Removal Column Close 59 Fig re 57 Filand Gud Ce CTT 60 Figure 58 Evac Refill Valve at Evacuate sssssssssss
48. neration open the column isolation valves B amp C then close the Solvent by pass valve A 5 12 Analyzers 5 12 1 O2 Analyzer When shipped the oxygen analyzer valves are closed as shown in Figure 46 below Figure 46 Oxygen analyzer valves Closed position WARNING The analyzer isolation valves should remain closed until the Glovebox has been properly purged In order to monitor the oxygen content inside the Glovebox the left Valve must be turned to the Flow Out Position and the Right Valve must be turned to the Flow In position as shown in Figure 47 below l ARA AAA E Figure 47 Oxygen analyzer valves Flow Out position 51 of 82 System Operation The Oxygen analyzer is designed specifically for detecting trace amounts of oxygen in inert gases The operational range of this analyzer is 0 1 to 1 000 ppm Note 1 The analyzer requires that the small batching pump inside the Glovebox be connected and powered on at all times Note 1 The analyzer is calibrated at the factory prior to shipment 5 13 Moisture Analyzer 52 of 82 The moisture analyzer sensor is aluminum oxide ultra high capacitance designed It incorporates automatic temperature compensation It is mounted in the gas stream piping It is shipped with a calibration certificate traceable to international standards The moisture content is shown on Main Screen of the Color HMI touch screen in ppm Freezer
49. nnel and a waste bins to collect old material 1 2 3 4 on O Oo Turn off the blower Turn off the system main power Place the waste bin under the bottom port of the column Remove the two KF 40 clamps and blanks from the side of the column Note As soon as the bottom blank is removed the filter material will begin to come out Drain the old material and use the vacuum to remove any remaining material Empty the entire contents of the purifier according to your safety regulations Replace the blank onto the bottom port of the column Use the funnel in the top port of the column and add half of the molecular sieve all of the copper catalyst and then the rest of the sieve Replace the blank to the top port of the column Be certain that KF 40 connections are tight Restore the main power to the system 71 of 82 Removal and Replacement Procedures 11 Perform two regenerations of the column for optimum performance 12 Resume normal system operation 10 3 Filters To replace the box filters simply exchange them with new filters They are installed hand tight and should be replaced the same way 10 4 Gloves Replacing a glove increases the risk of exposing the system to the outside environment Prior to proceeding ensure that every precaution is taken to protect the contents of the box Glove Port Internal Glove Port Cover Butyl Gauntlets Glove O Rings Figure 62 Gloves 10 4 1 Replacem
50. nsions ADJUSTABLE SHELVES P CONTROLER FLOURES CENT LIGHT j 1809 62 f m 785 913 RE 15 ANTECHAMBER EIEEEI VACUUM PUMP Figure 68 Gbox 4G 1800 81 of 82 Removal and Replacement Procedures 10 6 6Gbox 4G 1950 Overall Dimensions HAI CONTROLER D MINI ANTECHAMBER 15 ANTECHAM BER ADJUSTABLE SHELVES i VACUUM PUMP GAS PURIFIER Figure 69 Gbox 4G 1950 MAG Ltd Hagavish 3 Holon 58393 ISRAEL Tel 872 3 5585252 Fax 872 3 5594528 E Mail mrc mrclab com Web site www mrclab com 82 of 82
51. o initiate a regeneration of the purification column Regeneration Control Are the Column Valves Closed HN Is Flow OK YES Regen State Step Time Regen Regen Start Column COLUMN 1 FABORT Figure 16 Regeneration Control screen Start Button Initiates a regeneration Are the Column Prompts the user to acknowledge that the column valves are closed Valves Closed Is Flow OK Prompts the user to acknowledge that the regeneration gas is flowing Last Regen Indicates when the last regeneration occurred Regen Status Indicates the current step in the regeneration cycle Step Time Indicates the elapsed time for the current step Regen Column Indicates which column will be regenerated Abort Button Allows the user to abort a regeneration within the first 5 minutes of starting Regen Timers Button Accesses sub screen below 4 3 2 Regen Timers The Regen timers are set in minutes Below are the factory default settings Figure 17 Do not change these timers without contact your MRC service provider 28 of 82 Control Panel Functions Regen Timers Heat Heat amp Purge Purge Evacuate Cooling Figure 17 Regen Timers screen Step 1 Heat Indicates duration of Heating Cycle in minutes Step 2 Heat amp Purge Indicates duration of Heat amp Purge Cycle in minutes Step 3 Purge Indicates duration of Purge Cycle in minutes
52. old glove Install the inner O ring onto the glove port over the new glove Oo 0 4A If possible purge the new glove by venting working gas into it via a separate gas line This removes as much air as possible and hence reduces the amount of air being introduced into the system 8 From the inside of the Glovebox using the other glove remove the old glove by taking it into the Glovebox 9 Install the outer O ring onto the glove port over the new glove 10 Remove the old glove from the box via the Antechamber and discard it properly 10 4 3 Control Box Panel The control box consists of the circuit breakers electronics module power supply and the solid state relays Some systems will require the white backing plate to be removed prior to removing the power supply and the solid state relays 10 4 4 Circuit Breakers When replacing a circuit breaker always use a replacement part of the same rating 1 Remove system AC power from the source 2 Disconnect the two fast on type connectors using pliers Do not remove them by pulling on the wire to which they are attached 3 Depress the two tabs on the breaker body and Press out through the front door 4 Install new circuit breaker in reverse order 10 4 5 Power Supply To replace the 24 VDC power supply proceed as follows 1 Remove system AC power at the source 2 Disconnect the DC power cable right side Blue amp White with Blue wires 3 Disconnect the AC pow
53. oltage Is the Working Minimum Pressure set higher than the current pressure box pressure The system will not call for gas unless the box pressure drops below the Working Minimum set point Problem There is no regen gas flowing Note Regen gas will only flow after you have confirmed that the column valves are closed After the regen starts the gas will no longer flow until the Purge stage of the regen begins Possible causes solutions If cylinder gas is the tank empty If empty replace the tank Is the regulator open If closed open the regulator Is the needle valve on the regulator open If not open the valve Are the RG and EX valves illuminated Is the flow meter on the front of the purifier cart open Problem The Antechamber won t hold a vacuum Possible causes solutions Clean the Antechamber door and O rings of debris Replace the O rings if necessary Verify the refill valve is closed Verify both doors are closed Verify all fittings on the chamber are tight Troubleshooting Problem Box is leaking Possible causes solutions e Normally a box will not begin to leak on its own If none of the fittings have been modified the leak is most likely in the gloves Inspect the gloves closely for leaks Replace gloves as required e Verify that all Antechambers are left under a static vacuum and are not leaking e Refer to pressure test section of this manual Record the rate of leakage Problem Vacuum p
54. on of Heating Cycle in minutes Step 2 Evacuate Indicates duration of Evacuate Cycle in minutes Siep 3 Purge Indicates duration of Purge Cycle in minutes Step 4 Evacuate 2 Indicates duration of Evacuate 2 Cycle in minutes Step 5 Cooling Indicates duration of Cooling Cycle in minutes Sol Regen Control Button Returns to the Solvent Regeneration Control screen Note All times shown are factory defaults Blower Control Pressing the Blower Control button brings up the following screen Figure 20 Control Panel Functions Blower Control 02 Blower Enable Blower Timer Change Blower Speed Blower Mode Blower Speed Regen Blower Restart Start Stop Figure 20 Blower Control screen The blower can be turned on or off from this screen as well as from the Main Screen O2 Blower Speed Enabling this feature automatically adjusts the blower speed based on the oxygen level within the Glovebox If the oxygen level is above 10 ppm the blower speed increases in an attempt to scrub out the excess oxygen more quickly Blower Timer Enabling this feature automatically returns the Blower speed to 50 after 30 minutes Change Blower Speed Pressing this button brings up a numeric keypad that allows the blower speed to be changed between 0 and 100 Blower Mode Displays either Automatic AUTO or Manual MANUAL This is not directly adjustable and is
55. ors 58 5 15 4 Replacing the Carbon Charge in a Solvent Removal Column 59 5 16 Large Capacity Regenerable Solvent PBemoval sse 60 5 16 1 Small Capacity Solvent Removal Eviemal A 61 Routine Maintenance necne eeneg ee 63 GN RTR oti Ite ST te rero tae E e ed ette dans 63 0 2 Weekly Tasks inem Eee tat cei E et odd re Red E EC rco Sd 63 6 3 Annual or Semi Annual Tasks eene nnne nes 63 6 4 Safety Inspechons seen nnns en nentes s nnns ettet ennt nn insiste ens 63 Delos 64 System Control Electronics eese eseeeieeeieees sienne ente ee enn annnm rn 66 8 1 General Description 66 84 1 PEG Controller cuan aia tl whee e a e e He e Eas 66 81 2 Display panel aed heed avid ih atid de Ala di ce Lau der 66 8 2 Lower Control BOX itd Lit Meade Hated A tial ee 66 8 21 Power Supply dee eR aed Heide Tee deena ee C des 66 8 2 2 Box Press re Sensor ee nce era io 66 8 2 8 24 Volt Low Power Relays AA 66 8 2 4 OirCulit Breakers ond o leto odas 68 8 3 Specifications e Ld ete pere T eter dt ett ee i cen teer en 68 System Components 2 a Ee SEENEN EE 69 MEET dde DERE 69 91 1 Piping and Valves oni cu eei Cede dee a ced Teo eddie den 69 9 1 2 OO Mii iE E RC e Feed Ee p e REL an ee ees 69 94 3 The Blower pata dee ee ee 70 9 1 4 Vacuum mp on ieee ae SRL lit dede Haa dated ed Lu De dup den 70 9 1 5 lA ER dide e ea ec ees 70
56. ovebox Using the Mini Antechamber 41 5 4 2 Removing an Item from the Glovebox Using the Mini Antechamber 42 5 5 Automatic Antechamber Control 42 5 6 Introducing an Item into the Glovebox Using the Large Antechamber 43 5 7 Removing an Item from the Glovebox Using the Large Antechamber 45 5 8 Purge Valves tnter oett er e co aeree dE Rest td dn dd c det tete e eda ee 45 5 8 1 Automatic Purge ValS neetika ata en Eai nennen eniin nnne nnne nnt 46 e WEE EC te EE 47 5 9 1 Single Column Purification System Regeneration Procedure eesseeseesseeseeneee 48 5 10 Dual Column Purification System Regeneration Procedure 49 541 Solvent Regeneration citroen e ete ain eee ea qe i rec d ce 49 5 11 1 Solvent Column System Regeneration Procedure s sssessseesseesseesrneernrsrrernneernees 49 5312 EI EE E 51 5 12 1 O2 ET 51 5 13 Moisture Analyzar eoe eee nne iii eias 52 5 13 1 Box Cooling Control inier ee i ees rrt etes e PR e og cs 53 5 14 Heater Gontrol 5e rere Hed tore cha Pe aem ne ias 54 5 14 1 Parallel Piped Systems eene enne nennen 55 5 15 Solvent Removal Systems cccccccccceceeeceeeeeeseeeeceeeeeeaeeeeaeeseeeeecaeeeseaaeeeeeeeseaeeesaesseaeesenees 57 5 15 1 Large Capacity Solvent Removal sese 57 5 15 2 Opening the Solvent Removal Column 57 5 15 3 Isolating the Solvent Removal Column and Removing Solvent Vap
57. r Restart Start Stop Past KE Ki Figure 53 Blower Control screen Purging Parallel Piped System The user must select which Box 1 or 2 to purge Manual Purge Only open the purge valve on the selected Glovebox module 1 or 2 See Purge Control on page 31 for further details Auto Purge Press for Box 1 Selects the module labeled Box 1 to be purged See Purge Control on page 31 Purge control refer to Purge Control Screen in Figure 54 below Box 1 Active button will be Green indicating that it will be purged Box 2 will be isolated Press for Box 2 Selects the module labeled Box 2 to be purged See Purge Control on page 31 Purge control refer to Purge Control Screen in Figure 54 below Box 2 Active button will be Green indicating that it will be purged Box 1 will be isolated Note Only one module should be selected to purge at a given time 56 of 82 System Operation Purge Control O2 Level Purge SP ppm o Timed Purge Duration min po Timed Purge Timed Purge Counter Manual Purge 02 Level Purge Figure 54 Purge Control screen 5 15 Solvent Removal Systems Various sizes of solvent removal systems are available These are optional extras that can absorb solvent vapors that would otherwise contaminate the purification media 5 15 1 Large Capacity Solvent Removal There are three isolation valves labeled A B and C The isolation valves dictate the flow of box
58. r column is currently in use Blower Restart Status When enabled the blower will automatically restart after a power failure Vacuum Pump Timer When enabled the vacuum pump will automatically power down after 10 minutes The vacuum pump will be automatically powered on as required by the system Working Minimum SP The lower working pressure set point Working Maximum The higher working pressure set point SP Note The PLC control system will maintain the Glovebox pressure between these Minimum and Maximum set points IT Info Page Contains contact information for customer support Screen Setup Allows the contrast of the HMI screen to be adjusted 34 of 82 Control Panel Functions 4 3 10 Alarms Pressing the Alarms button brings up the following screen Figure 25 Alarm Screen Enable Setpoint Actual State 02 Enable mo Se MEENE EE NORIA Auto Antehchamber Complete A Ir Acknowledge Alarm Figure 25 Alarms screen 02 Alarm Enabling this feature turns on the O2 level alarm Set point allows the alarm to be adjusted Actual is the real time O2 level State indicates whether the alarm has been triggered H20 Alarm Enabling this feature turns on the H2O level alarm Set point allows the alarm to be adjusted Actual is the real time H20 level State indicates whether the alarm has been triggered Auto Antechamber Enabling this feature triggers a pop up banner indica
59. rol screen 18 Figure 4 Login Logout button 19 Figure 5 Main Glovebox Control screen 19 Figure 6 Glovebox Config Gereen corr nana 20 Figure 7 Numerical input screen 20 Figure 8 Oxygen analyzer valves closed 22 Figure 9 Oxygen analyzer valves Flow in 22 Figure 10 Glove Box Control Gvsiem ener entente nnns innen 23 Figure 11 Bower Control SCIGOli EE 23 Figure 12 Glove Box Control Gvstem enne nne treten nsns sinis enne 24 Figure 13 Glovebox poWered ON EE 25 Figure 14 Login Logout SCIOGn 5o rtt t Ferte axe ee ee Xe eH Rn gez an ek epa kdo caue ak pa e egeo uad 25 Figure 15 Glove Box Control System with fully functional buttons sese 26 Figure 16 Regeneration Control screen 28 Figure 17 Regen Timers SChOCM EE 29 Figure 18 Solvent Regeneration Control screen 29 Figure 19 Solvent Regen screen cocccccnccccnoccnonccnoncconnnnnnnn nn conc cnn rra rre ran rana nn neret nene 30 Figure 20 Blower Control screen occccnccconoccconoccnonccinnncnononn conc n corr n aran rn 31 Figure 21 Purge Control screen 32 Figure 22 Antechamber Control screen 33 Figure 23 Antechamber Config screen 33 Figure 24 Glove Box Config screen 34 Figure 25 Alarms screen 35 Figure 26 Trend screen 36 Figure 27 Freezer Control screen 36 Figure 28 Box Cooling Control screen 37 Figure 29 Heater Control screen 38 Figure 30 Glove Box Config screen 39 Figure 31 Numerical Input screen 39 Figure 32 Large and Mini Antechambers sse eene nennen
60. rolled through the use of the Color HMI Touch Screen It directs box operation through the lower PLC control box which generally turns on or off relays to control box pressure circulation purifier regeneration and other functions Each of these subsystems are described in this section PLC Controller All inputs and Output are controlled by the PLC Display panel The display panel is Color HMI Touch Screen Lower Control Box The Lower Control Box houses the following components e Power Supply e PLC e Connections e Solid State Relays Power Supply The power supply generates 24 volts DC from an input of 115 volts AC It can be strapped for operation at other input voltages The 24 VDC is for the operation of the upper control electronics the lower PC board and for other miscellaneous components It can easily be removed for repair or replacement Box Pressure Sensor This section connects the tubing from the box directly to the on board pressure sensor The sensor input is calibrated and provided to the microprocessor 24 Volt Low Power Relays This section of the board is where the PLC control lines activate or deactivate the low power relays These relays then switch on and off other relays in the system Note that there is an LED for each relay on the PLC When this LED is illuminated it indicates that 24 VDC is present on the switched or output side of the relay When trouble shooting a control problem this is the best in
61. sssseseseeenee eene nnne nnns nnne nent 60 Figure 59 Small Capacity Solvent Removal Exvtemal eere 61 Figure 60 Small Capacity Solvent Removal Intemal e 62 Figure 61 General Box A Wl eerte teet eee iren ete a un need xe pes xs Eyed Eg ua edax REA 69 FIQUIG 62 GIOVES E 72 Figure 63 FRONT EE 76 Figure 64 BaCk E 77 Figure 65 E EE 78 Figure 66 Eet 79 Figure 67 GDOX IA EE 80 Figure 68 Gbox4G 1800 cececececsseeseceeeeeseeesenesaeeaeeesenesaneaceeaeeeaaeseeeeeaceeaaesaaeceaeecaeecaeeceanenasenasesaaes 81 Figure 69 et EE 82 Tables Table 1 Circuit Breakers ooooonnnnnininninnnninncnnccccacnccnnrnnn nn cra 12 Table 2 Relay Functions and Connechons cnn non cnc cnn anna rra 67 Table 3 Solid State Relays ooonnonnicinindnnnnnnnnonn cnn 68 Table 4 Circult EE 68 Table Specifications T 68 vii of 82 1 About This Manual This document explains how to install and operate your Glovebox system and accessories References are made in the Installation section to features in the Operational section It is imperative that you refer to them as indicated If you have any further questions please call our offices at 972 3 5595252 1 1 Firmware Revisions This User Manual is based on a minimum PLC firmware Version 7 Revision 1 Enhancements made to this version may result in operator display screens or other operational functions that vary slightly from this manual s figures and descriptions 1 2 Optional Equipment
62. ting the cycle is Complete complete Alarm History A log of the various alarms that have been triggered Note When an alarm is triggered a pop up banner displays on the current screen to alert the user Acknowledge Alarm This button must be pressed to clear any active alarms Trend Screen This button access graph Figure 26 logs 02 and H20 levels over time 35 of 82 Control Panel Functions Y a 1 u e 02 Level ppm H20 Level ppm Figure 26 Trend screen 4 3 11 Freezer Control Blab eebe ee dbo e e e e d ke m 3 This feature only displays if your system has been factory fitted with a freezer Pressing the Freezer Control button brings up the following screen Figure 27 Current Temp Setpoint Range Status Freezer Control Figure 27 Freezer Control screen Current Temp Indicates the actual temperature C inside the freezer Set point Allows the temperature inside the freezer to be adjusted Range The deviation C from the set point Status Turns the freezer On and Off Note If your Glovebox is equipped with a freezer do not plug in or turn on the freezer until the box has been purged with the freezer door open 36 of 82 Control Panel Functions Turning the freezer on while the Glovebox contains room atmosphere will result in the condensation of moisture preventing the Glovebox from achieving optimum atmosphere conditions i e pre
63. tomatically turns back on if this feature has been System Operation enabled in the System Config Screen The blower can also be turned on using the Blower Start button 5 10 Dual Column Purification System Regeneration Procedure Dual column purification systems allow the regeneration of one purifier column while still circulating the Glovebox atmosphere through the second column This permits constant uptime Initiating a regeneration on a dual column system automatically regenerates the column that is NOT in use The column in use can be selected from the System Config Screen Figure 43 Glove Box Config Screen Working Gas Type Column In Use Blower Restart Status Vacuum Pump Timer Working Minimum SP Working Maximum SP Figure 43 Glove Box Config screen If the Column In Use is shown as 1 then pressing the blue bar brings up a numeric entry keypad To select column 2 press number 2 and then enter To regenerate perform steps 1 3 4 5 6 as for the single column purification system regeneration The blower should remain switched on during the regeneration of a dual column system 5 11 Solvent Regeneration 5 11 1 Solvent Column System Regeneration Procedure Note Blower does not need to be turned off 1 Connect a cylinder of high purity Inert Gas Nitrogen or Argon to the regen gas connection on the rear of the gas purification module The Inert gas should be 99 998 nitrogen or argon Ensure that t
64. trol Typical systems will have one large Antechamber equipped with automatic control Indicates how many evacuate refill cycles have already been completed Indicates the absolute pressure within the Antechamber as measured with by the digital vacuum gauge EVAC Pressing this evacuates the Antechamber Press again to stop evacuating REFILL Pressing this refills the Antechamber with inert gas from the Glovebox Press again to stop refilling AUTO Pressing the AUTO button causes the button to turn Green and start the evacuate refill sequence The individual steps associated with this are accessed and changed in the Antechamber Config screen Antechamber Config Antechamber Config Auto Evacuate SP mbar Antechamber Cycles Auto Refill Duration Sec Auto Final Refill Sec Figure 35 Antechamber Config screen Auto Evacuate SP mbar The set point that the Antechamber will be evacuated to Antechamber Cycles Determines the number of evacuate refill cycles that occurs under Automatic operation Auto Refill Duration sec Determines the duration of all refills except the final refill Auto Final Refill Determines the duration of the final refill 5 6 Introducing an Item into the Glovebox Using the Large Antechamber 1 Ensure that the inner door is fully closed 2 Ensure that the refill valve is closed 3 Open the outside door and insert the object into t
65. umn 2 Heater Crydom PGI Automatic purge valve control Purge valve PMP Vacuum pump control Vacuum pump Crydom RGI Regeneration gas opens column 1 to regeneration gas Valve block RG RG2 Regeneration gas opens column 2 to regeneration gas Valve block RG RV Regeneration vacuum opens column 1 to the vacuum pump Valve Block RV PG2 Automatic purge valve control Purge Valve 8 2 3 1 Solid State Relays This section of the board is where the PL Ccontrol lines activate or deactivate the solid state relays SSR s These SSR s then switch on and off motors and heaters in the system 67 of 82 System Control Electronics Table 3 Solid State Relays HT2 Turn on AC power for the heater for the second column in a dual column system HI Turn on AC power for a single column system s heater Turn on AC power for the vacuum pump 8 2 4 Circuit Breakers Table 4 Circuit Breakers Illuminated Main Power Switch 24V Power Supply 4A 2A Heater for Column 1 4A 2A Heater for Column 2 8 3 Specifications Table 5 Specifications Input Operating Voltage and Frequency 110 120 200 240 V 50 60Hz Operating Temperature 10 40 Celsius Relative Humidity Non condensing 5 to 95 RH 68 of 82 System Components 9 System Components 9 1 Box Flow The general box flow is described below When circulation is on gas is drawn by the blower from the box through the column and then back into the box When the
66. umn so that you can evacuate it without affecting the rest of the system It is important to open valve A prior to closing B and C so that flow to the blower is not interrupted 3 Turn evac refill valve to evacuate 4 Allow vacuum to pull on the column for at least 24 hours 5 To begin circulation through the solvent removal column again see Opening the Solvent Removal Column on page 57 58 of 82 System Operation d li x Ji SS Figure 56 Solvent Removal Column Closed 5 15 4 Replacing the Carbon Charge in a Solvent Removal Column 1 o o Oo om Bb WO ND e Follow the instructions for isolating the solvent column and removing solvent vapors on page 58 Turn the evac refill valve to refill until the pressure in the column has returned to 0 Close the evac refill valve Place receptacle below the Empty Port to catch the old carbon charge Remove the Fill Port clamp and blank Remove the Empty Port blank and begin to collect the old carbon charge Replace the Empty Port clamp and blank Make sure the centering ring is clean Pour new carbon charge into Fill Port Use a funnel if necessary Turn evac refill valve to evacuate and allow vacuum to pull on the column for at least 48 hours To begin circulation through the solvent removal column again see Opening the Solvent Removal Column on page 57 59 of 82 System Operation Figure 58 Evac Refill Valve at Evacuate 5 16 Large
67. ump is making noise or has reduced performance Possible causes solutions e Change the pump oil if it looks bad e Verify that all fittings connected to the vacuum pump are tight e If there is no improvement after changing the pump oil and checking the fittings upstream from the pump put a vacuum gauge directly on the inlet of the pump Refer to the pump manual for obtainable vacuum If the pump cannot obtain specified levels repair or replace the pump Problem The window is cloudy or scratched Possible causes solutions e Safety glass can be washed with alcohol Scratches in glass are not easily repaired especially if they are on the inside A glass company professional might repair scratches on the outside of the glass e Lexan can be washed gently with mild soap or detergent using a soft cloth Organic solvents such as aliphatic hydrocarbons kerosene or naphtha may also be used To remove light scratches try automotive wax When a Service Call is Necessary Should a service call be necessary the more information that can be provided about the problem the better we will be able to respond with a quality answer in a timely fashion If a service call is necessary or you cannot resolve one of the above issues call your local MRC representative for help 65 of 82 System Control Electronics 8 System Control Electronics 8 1 8 1 2 8 2 8 2 1 8 2 2 8 2 3 General Description The Glovebox is cont
68. used in diagnostics Blower Speed Displays the current speed of the blower Regen Blower Restart Disabled Blower will not automatically restart after regeneration cycle is complete Enabled Blower automatically restarts after regeneration cycle is complete Press for Box 1 Refer to section concerning parallel piped Glovebox systems See Parallel Piped Systems on page 55 Press for Box 2 Refer to section concerning parallel piped Glovebox systems See Parallel Piped Systems on page 55 Press for Both Refer to section concerning parallel piped Glovebox systems See Parallel Piped Systems on page 55 4 3 6 Purge Control This feature only displays if your system has been factory fitted with an Automatic Purge valve Pressing the Purge Control button brings up the following screen Figure 21 31 of 82 Control Panel Functions Purge Control 02 Level Purge SP ppm Eas Timed Purge Duration min 120 Timed Purge Timed Purge Counter Manual Purge 02 Level Purge Figure 21 Purge Control screen 02 Level Purge SP ppm If the system is fitted with an oxygen analyzer this setting will open the automatic purge valve if the oxygen level exceeds the set value This value can be changed by pressing the value and entering the desired value on the numeric keypad In order to operate this feature the O2 Level Purge must be ENABLED
69. venting the system from being able to reach 1 ppm moisture content 4 3 12 Box Cooling Control This feature is only displayed if your system has been factory fitted with Box Cooling Pressing the Box Cooling Control button brings up the following screen Figure 28 Box Cooling Control Current Temp San Setpoint RES Range mum Status WE ee Figure 28 Box Cooling Control screen Current Indicates the actual temperature C inside the Glovebox Temp Set point Allows the temperature inside the Glovebox to be adjusted Range The deviation C from the set point Status Turns the Box Cooling On and Off 4 3 13 Heater Control This feature only displays if your system has been factory fitted with a heated Antechamber Pressing the Heater Control button brings up the following screen Figure 29 37 of 82 Control Panel Functions Heater Control Current Temp MET Setpoint Range Status Figure 29 Heater Control screen Current Temp Indicates the actual temperature C inside the heated Antechamber Set point Allows the temperature inside the Antechamber to be adjusted Range The deviation C from the set point Status Turns the Heater On and Off 38 of 82 System Operation 5 System Operation 5 1 Adjusting the System Pressure The Glovebox control system is programmed to maintain the Glovebox pressure between the minimum and maximum workin
70. wer provided is continuously variable it can be set at a very low speed if you are handling sensitive crystals or during weighing It can be set at a maximum to recover quickly from an operator error We suggest it be set at 50 during normal operation Blower speed can be changed by pressing the numeric value next to the Change Blower Speed Pressing this numeric value opens up a numeric entry screen where the desired blower speed can be entered The value entered is a percentage 0 means the blower is not circulating 100 means that the blower is circulating at full speed 23 of 82 Control Panel Functions 4 Control Panel Functions All Glovebox functions are controlled from the touch screen HMI Human Machine Interface This section describes the touchscreen and all the functions associated with it The HMI is typically located on the side panel that has the large Antechamber attached Custom systems may have the HMI mounted in a different location The HMI communicates with the Programmable Logic Controller PLC that is contained within the PLC enclosure on the gas purification module 4 1 The Main Control Screen The main control screen Figure 12 is the primary source of information for the system This screen provides real time display of all key Glovebox operating parameters Glove Box ES Control System Box Pressure mbar sa 02 Level ppm MN pecs H20 Level ppm MS Pump Status ore ae Regen Status NENNEN Blow
71. ystem module has removable side panels and a top panel allowing easy The vacuum pump is located on the Glovebox stand allowing for easy access and oil change access to the Valve Assembly Purifier Column Valves and Blower e Manual override should the Automatic Column Pilot Solenoids fail e Visual indicators on the Automatic Column valves In addition you will find e Circuit breakers e Solid State Relays Figure 1 GloveBox System Overview e Easy access for replacement of valves e The Antechamber has a door lifting mechanism so the door lifts gently and cannot close unless pulled down by the user e Gloveboxes are modular in design there are no bolts through the end panel or front window that could cause potential leaks e All connections are stainless steel tubing which is either welded or connected via KF 40 clamps or compression connectors There are no rubber hoses or hose clamps which over time can develop leaks or cracks The GloveBox control system is PLC based and has a color HMI touch screen interface e This system monitors and controls all box functions Extensive functionality and user features are available in the System Controller 2 4 The PLC Enclosure The PLC enclosure is located on the front of the gas purification module 2 2 Exterior Controls On the PLC enclosure mounted on the side wall you will find several circuit breakers and an illuminated main circuit breaker that doubles as the main

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