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OPERATION



Wait until the automatic purge cycle completes – approximately 15 minutes – ensuring any

potentially explosive concentrations of gases or vapors have been expelled from the oven

electronics and heating element enclosures.



Perform the

11T11T

Turn on the Oven

11T11T

procedure on page 92.

Vacuum-Test, Heat, Set the OTL

Optional

: You may change the display language from English to French and change the units of

measurements for temperature and vacuum prior to performing the procedures in this section. See

pages 94 and 96 for making these changes.



Perform the following procedures to put the oven into operation.

Close and seal the oven chamber door using the

11T11T11T

Latch the Oven Chamber Door

11T11T11T

procedure on page 97.

Test the integrity of the vacuum system by pumping down the oven chamber in

preparation for heating the oven. See the

11T11T11T

Pumping Down and Backfilling

11T11T11T

procedures on pages 99 and 100.

•

Leave the oven chamber under vacuum while performing the following

procedures.

Use the

Set the Temperature Setpoint

procedure on page 101 to set the oven to the

highest setpoint of your baking application.

Perform the

11T11T11T

Heat the Oven

11T11T11T

procedure on page 103 to begin heating to your setpoint.

Allow the oven to heat to the setpoint.

Once the oven has thermally stabilized by operating for at least 30 minutes at your

application temperature, perform the

11T11T11T

Set the Over Temperature Limit

11T11T11T

heating cutoff

procedure on page 106.

The oven is now ready for operational use. You may turn off the oven heating and backfill the oven

chamber. See the

11T11T11T

Pumping Down and Backfilling

11T11T11T

procedure on page 99. Note that the oven is well

insulated and will require a significant period to cool as described in the

11T11T11T

Oven Cooldowns

11T11T11T

explanation

on page 109.

This concludes the Put the Oven into Operation setup.

Содержание CVO-5-EX Series

Страница 1: ...Flammable Solvent Ovens Installation Operation Manual CVO 5 EX Oven Series...

Страница 2: ...n will be installed in This is to prevent the possibility of sparking in the presence of potentially explosive concentrations of hazardous gases or vapors The outlet must also meet the other electrica...

Страница 3: ...w build types of these models incorporating new features and refinements of existing ones 115 Volt Hardwire Units Model Name CVO 5 EX SS H Item Number TBD M Part ID CSVXBS522 H120 230 Volt Hardwire Un...

Страница 4: ...Materials and Temperatures 23 Hazardous Location Considerations 26 Explosion Prevention Systems Overview 28 Service Requirements 31 Service Documentation Requirements 32 Repair Report Required 32 Vacu...

Страница 5: ...Power to the Oven 92 Purge and Pressurize Process 92 Turn on the Oven 92 Selecting a Language 94 Changing the Unit of Measurement 96 Latch the Oven Chamber Door 97 Pumping Down and Backfilling the Ov...

Страница 6: ...6 P a g e cascadesciences com Tel 503 847 9047 Special Conditions Of Use 131...

Страница 7: ...7 P a g e cascadesciences com Tel 503 847 9047 TABLE OF CONTENTS...

Страница 8: ...The specific safety standards are listed on the next page Recognized Test Body Intertek is an OSHA recognized NRTL in the US a Standards Council of Canada accredited certification body and an EU Noti...

Страница 9: ...fies NRTL electrical mechanical temperature safety requirements in the United States These unit models are certified by Intertek as compliant with the International Electrotechnical Commission s 61010...

Страница 10: ...cals including Triglycidyl Isocyanurate known to the State of California to cause cancer as well as birth defects or other reproductive harm For more information go to 11T11T11Twww P65Warnings ca gov1...

Страница 11: ...11 P a g e cascadesciences com Tel 503 847 9047 SAFETY CERTS AND STATEMENTS...

Страница 12: ...dance with factory standards respecting the recommended wall clearances of 10 of the height width and depth of the inner chamber All indications are average values typical for units produced in the se...

Страница 13: ...ced by ambient conditions Model From 105 F 40 C From 200 F 90 C From 300 F 150 C All Units 345 Minutes 345 Minutes 345 Minutes WEIGHT Model Shipping Net Weight All Units 690 lb 313 kg 430 0 lb 195 0 k...

Страница 14: ...WEIGHT Model Per Shelf Total All Units 50 0 lb 22 7 kg 225 0 lb 102 0 kg POWER Power Cord Models Model AC Voltage Amperage Frequency Phase CVO 5 EX SS 115 12 50 60 Hz 1 CVO 5 EX 2 SS 230 6 50 60 Hz 1...

Страница 15: ...ECIFICATIONS UNIT DIMENSION DRAWINGS Total Height 34 4 inches 874 mm Width 29 3 inches 744 mm Depth 39 1 inches 993 mm Chamber Interior Depth 24 0 inches 611 mm Width 18 1 inches 460 mm Height 18 1 in...

Страница 16: ...ces com Tel 503 847 9047 SPECIFICATIONS Ovens with the Optional Side Valve See the previous page for internal dimensions Exterior Dimensions Total Height 34 4 inches 874 mm Width 33 3 inches 846 mm De...

Страница 17: ...17 P a g e cascadesciences com Tel 503 847 9047 SPECIFICATIONS...

Страница 18: ...it employs special repair service and repair documentation requirements utilities such as gas and vacuum as well as consumables required to operate the oven OVEN OVERVIEW IEC Ex marked CVO 5 EX SS va...

Страница 19: ...propane and other flammable solvents falling within the approved hazardous material categories listed in this manual These gases or vapors must be safely exhausted from the workspace environment after...

Страница 20: ...riched oxygen atmospheres These hazards fall outside the IEC 60079 hazardous location equipment directives the oven is designed to meet No Pyrotechnics or Explosives The oven is not built to work with...

Страница 21: ...us materials leak or a ventilation system failure Explosive concentrations are never present as a part of normal operations in the Zone 2 space Zone 2 Hazardous Zone Assessment The full extent of the...

Страница 22: ...22 P a g e cascadesciences com Tel 503 847 9047...

Страница 23: ...and for short durations and only as the result of accidents or leaks The creation of explosive concentrations around the oven during normal operations is not allowed UL 60079 USA National Differences...

Страница 24: ...24 P a g e cascadesciences com Tel 503 847 9047 These groups include propane and n butane...

Страница 25: ...he oven chamber while the oven is heating The oven is engineered so these hot spots never exceed the displayed temperature by the following amount 100 C 212 F Maximum Process Temperature A safety inte...

Страница 26: ...t Conditions Safe operation of the oven requires a specific set of environmental conditions including an allowed ambient temperature range limited environmental temperature variation during baking app...

Страница 27: ...ety authority having jurisdiction for your location This includes following relevant national and regional laws as well as local ordinances dealing with potentially explosive vapors and gases Fire saf...

Страница 28: ...over pressurized enclosures automatically seal when the oven is turned on by the oven operator IS and Encapsulated Components Ex ia mc Only Intrinsically Safe components and circuits and encapsulated...

Страница 29: ...29 P a g e cascadesciences com Tel 503 847 9047 Continued next page...

Страница 30: ...system diverts power from the heating elements in the event of an over temperature event It must be set prior to running a baking application and set well below the auto ignition temperature of the s...

Страница 31: ...y chosen to work on the oven demonstrates compliance with IEC 60079 19 Your safety jurisdictions health and safety laws or ordinances may also require this compliance Explosion Protection Systems Comp...

Страница 32: ...e Service Technician Access Service facilities and their technicians must have access to the documentation when inspecting and servicing the oven A services log or other document of record may be fill...

Страница 33: ...C1D2 Class 1 Zone 2 ATEX Zone 2 IECEx equipment requirements for the hazardous classified location or zone it will be installed and operate in Ventilation Pump Clearances See the pump user manual for...

Страница 34: ...OP or recipes must state which gas source will be used to backfill the oven chamber Purge and Pressurize Gas Supply System Requirements The oven requires a sustained flow of 4 2 cubic feet per minute...

Страница 35: ...st meet the following requirements in addition to those previously listed The air intake for the compressor must be located outside of the hazardous location area or zone The line must be filtered or...

Страница 36: ...The gasket is a consumable component and is not covered under the manufacturing defect warranty CONTACTING ASSISTANCE Please have the following information ready when calling or emailing Customer Sup...

Страница 37: ...37 P a g e cascadesciences com Tel 503 847 9047 INTRODUCTION...

Страница 38: ...e oven follow the carrier s procedure for claiming damage or loss 1 Carefully inspect the shipping carton for damage 2 Report any damage to the carrier service that delivered the oven 3 If the carton...

Страница 39: ...39 P a g e cascadesciences com Tel 503 847 9047...

Страница 40: ...IENTATION IMAGES Touchscreen Display Chamber Door Handle Over Temperature Limit Dial Left side of the CVO 5 EX SS Ovens Adjustable Leveling Foot Oven Chamber Door Vacuum and Backfilling Controls Door...

Страница 41: ...Models Backfill Optional Backfill Gas In Port 1 4 Inch 6 35 OD Vacuum 3 8 inch 9 52 mm OD Port Electronics Enclosure Pressure Relief Valve Purge system exhaust Enclosure Warnings Label Oven Data Plat...

Страница 42: ...com Tel 503 847 9047 RECEIVING Optional Side Valve All oven models may be ordered with an optional side mounted KF 25 vacuum port and hand valve KF 25 Vacuum Port for sensor probes KF 25 Vacuum Port c...

Страница 43: ...umber and PartID below for future reference Customer Support needs this information to provide accurate help during support calls and emails The data plate is located on the back of the oven near the...

Страница 44: ...44 P a g e cascadesciences com Tel 503 847 9047 RECEIVING...

Страница 45: ...he spacing clearance requirements are met page 49 Unit dimensions may be found on page 12 Check that a suitable electrical power supply is present For ovens with power cords see page 50 For ovens with...

Страница 46: ...plication and the hazardous materials involved The HVAC or other climate control system should meet all applicable hazardous location requirements for the safety jurisdiction you are located in Genera...

Страница 47: ...equirements and designed to connect to a power source using the specific power cord or hardwire power feed type built into the unit Always follow basic safety precautions including Do not bend a power...

Страница 48: ...hese conditions may affect unit performance and safety Location Temperature Considerations When selecting a location to install the unit consider all environmental conditions that can adversely impact...

Страница 49: ...objects on top of the oven KF 25 A KF 25 vacuum port is located on the back of the oven for introducing vacuum rated thermocouple feedthroughs into the chamber or connecting to an external vacuum supp...

Страница 50: ...as knobs and controls can conduct electricity and cause serious injury Electrical Codes The wall power source must conform to all national and local electrical codes Safe Voltage Range The unit may b...

Страница 51: ...51 P a g e cascadesciences com Tel 503 847 9047 Continued next page...

Страница 52: ...e to preclude any possibility of sparking igniting and explosive concentration of gases or vapors Do not plug in the cord at this time Each CVO 5 EX SS oven comes with an integral 15 foot 4 57 meter p...

Страница 53: ...Safe Voltage Range The unit may be damaged if the supplied voltage varies by more than 10 from the data plate rating o The unit is safety rated to withstand transient overvoltage levels up to Overvol...

Страница 54: ...54 P a g e cascadesciences com Tel 503 847 9047 Continued next page...

Страница 55: ...ions Outside Zone 2 The switch or circuit breaker must be safely located outside the hazardous location Zone Circuit Breakers The recommended circuit breakers for these units are o CVO 5 EX SS H 20 am...

Страница 56: ...ifting or stabilization Restrain the oven completely while lifting or transporting so it cannot tip Remove all moving parts such as shelves and trays and lock doors in the closed position during trans...

Страница 57: ...all 4 leveling feet so that the leg of each foot sits inside the unit14T14T14T INSTALL AND SECURE THE OVEN Place the unit in a workspace location that meets the criteria discussed in the previous ent...

Страница 58: ...aning11T11T11T topic in the User Maintenance section page 117 for more information on how to clean and disinfect without damaging the unit INSTALL THE SHELVING Install the shelves evenly spaced in the...

Страница 59: ...n and a vacuum pump exhaust line Physically secure the pump in place so it cannot be accidentally dislodged or disconnected during operation Ensure the vacuum pump has adequate spacing to prevent over...

Страница 60: ...us zone must meet all applicable requirements for Zone 2 or for UL Class 1 Zone 2 or Class 1 Division 2 hazardous classified locations o The connection must be made by a qualified electrical service t...

Страница 61: ...61 P a g e cascadesciences com Tel 503 847 9047 End of Procedure...

Страница 62: ...in the open position The oven cannot be turned on without the purge and pressurize gas supply Procedure 1 Connect the purge and pressurize gas supply to the Vent port bottom gas intake port on the le...

Страница 63: ...rom a gas nitrogen source The maximum allowed gas pressure for the backfill gas supply is 15 psi Exceeding 15 psi of gas pressure may damage the oven Procedure 1 After connecting the Purge and Pressur...

Страница 64: ...hot wire black One 14 gauge hot wire white One 14 gauge earth ground green yellow Grounding Required The oven must be earth grounded using the protective conductor terminal green with yellow stripe w...

Страница 65: ...65 P a g e cascadesciences com Tel 503 847 9047 INSTALLATION...

Страница 66: ...anual Consulter le manuel d utilisation Caution hot surface Attention surface chaude AC Power Rep re le courant alternatif I ON O OFF I indique que l interrupteur est en position marche O indique que...

Страница 67: ...67 P a g e cascadesciences com Tel 503 847 9047 SYMBOLS...

Страница 68: ...acuum can be shown in Torr Bar or Inches of Mercury See page 96 for information on how to change the units of measurement Heating Button This button contains the word Start or Stop in it depending on...

Страница 69: ...69 P a g e cascadesciences com Tel 503 847 9047 Continued next page...

Страница 70: ...cted in the safety enclosures Blinking Green Purging of the safety enclosures is underway Requires approx 15 minutes Solid Green The enclosures are fully purged and maintaining over pressurization to...

Страница 71: ...en the Vent valve handle is in the closed position the oven chamber is isolated from the Purge and Pressurize gas supply The Vent valve should be kept in the closed position when not backfilling Backf...

Страница 72: ...72 P a g e cascadesciences com Tel 503 847 9047 Continued next page...

Страница 73: ...n the front panel in the closed position to prevent potentially explosive gas or vapor concentrations from entering through the port This KF 25 port must be capped and clamped when it is not connected...

Страница 74: ...our Les op rateurs doivent suivre ces instructions pour pr venir les blessures et prot ger leur sant leur environnement et les mat riaux trait s dans le four ainsi que pour viter d endommager le four...

Страница 75: ...ved Substances Only Oven operators and SOP authors must verify that only approved hazardous substances will be placed in the oven chamber These substances can only belong to the hazardous materials gr...

Страница 76: ...76 P a g e cascadesciences com Tel 503 847 9047 Turn off the GNRR2RR flow after the oven is turned off This helps reduce the risk of a leak or accidental release while the oven is not in use...

Страница 77: ...he oven chamber vacuum plumbing and in the attached vacuum pump and pump exhaust Specifically operators need to be aware of the following o The concentrations of ignitable vapors or gases present in t...

Страница 78: ...ciences com Tel 503 847 9047 Follow the SOP SOPs should be followed during the operation of the oven including strict adherence to the maximum allowed operating temperatures and setting the over tempe...

Страница 79: ...Be sure material in the vacuum oven will not pose a flammable risk based on your drying process temperatures and exposure times Follow all applicable laws regulations and statutes in your location fo...

Страница 80: ...l 503 847 9047 Fire Suppression Ensure the fire suppression system and extinguishers are always operational or available during oven operation and comply with all applicable standards for your hazardo...

Страница 81: ...to the electronics enclosure located inside the top of the oven WARNING PROTECTIVE GAS SUPPLY VALVE FOLLOW INSTRUCTIONS BEFORE CLOSING AVERTISSEMENT SOUPAPE D ALIMENTATION EN GAZ DE PROTECTION SUIVEZ...

Страница 82: ...el 503 847 9047 AVERTISSEMENT CE BO TIER CONTIENT DU GAZ INERT ET PEUT TRE UN RISQUE D ASPHYXIATION CETTE BO TE CONTIENT GALEMENT UNE SUBSTANCE INFLAMMABLE QUI PEUT TRE DANS LES LIMITES D INFLAMMABILI...

Страница 83: ...tion protection system has the following characteristics Purge Flow Rate 117 5 NLPM Normal Liters per Minute Minimum Flow Rate 64 25 NLPM Maximum Air Supply Pressure 13 7 bar Maximum Overpressure 72 m...

Страница 84: ...e hazardous atmosphere types the oven is engineered and certified to work with Purge gas flowing at the rate specified in this user manual purges the enclosure volumes five times within 15 minutes Whi...

Страница 85: ...sport takes place by both direct infrared radiation and metal to metal conduction The oven heating elements are located inside the chamber walls or floor which transfer some heat to the walls and then...

Страница 86: ...86 P a g e cascadesciences com Tel 503 847 9047 setpoint the oven uses minimum heating to control the rate of cooling and avoid dipping below the setpoint...

Страница 87: ...utoff connected to a hydrostatic sensor probe on the oven chamber wall exterior The system operates independently of the main temperature controller and routes power away from the oven heating element...

Страница 88: ...88 P a g e cascadesciences com Tel 503 847 9047 pressurize supply source The choice of backfilling gas source must be included in your site SOPs for each baking application...

Страница 89: ...Preparation Determine the highest temperature the oven will heat to during the first baking procedure Perform the 11T11T11TPre Operation Safety Verifications11T11T11T procedure on page 91 Verify no h...

Страница 90: ...on for heating the oven See the 11T11T11TPumping Down and Backfilling11T11T11T procedures on pages 99 and 100 Leave the oven chamber under vacuum while performing the following procedures 3 Use the Se...

Страница 91: ...belongs to an allowed hazardous material group This includes substances used to treat products or samples 5 Check which gas supply is designated in the process SOP for backfilling the oven chamber The...

Страница 92: ...OCESS Once power and a flow of purge gas are supplied the oven will start purging the electronics and heating elements enclosures o Purge Light on the front control panel will blink on and off as a gr...

Страница 93: ...93 P a g e cascadesciences com Tel 503 847 9047 The Button will illuminate continuously and the Control Display screen will activate...

Страница 94: ...TING A LANGUAGE The unit controller can display information in either English or French 1 Tap the Settings button on the Homepage 2 Tap the Select Language button 3 Choose the language for the oven di...

Страница 95: ...95 P a g e cascadesciences com Tel 503 847 9047 End of Procedure...

Страница 96: ...nits button on the Settings page 3 Select the desired units of measurement for both the temperature and vacuum display values 4 Tap the Save button to save the new units of measurement The display wil...

Страница 97: ...he tongue of the handle wheel makes contact with the hasp on the chamber body 3 Tighten the handle wheel Turn the wheel a maximum of 3 more times to tighten the door handle o Do not force or overtight...

Страница 98: ...98 P a g e cascadesciences com Tel 503 847 9047 Leave the handle facing forward This prevents the door from springing open if the chamber is overpressurized...

Страница 99: ...e control all the way counterclockwise The Vacuum level value on the homepage display should show the chamber pressure decreasing The achievable vacuum level is dependent on altitude above sea level a...

Страница 100: ...e control all the way counterclockwise The Vacuum level on the main controller should show the chamber pressure decreasing The achievable vacuum level is dependent on altitude above sea level as well...

Страница 101: ...ERATURE SETPOINT Enter the target temperature of your baking application 1 Tap the Setpoint button on the Homepage 2 Use the arrow buttons to adjust the setpoint 3 Tap the Save button to save the new...

Страница 102: ...102 P a g e cascadesciences com Tel 503 847 9047 Note See the next page for how to begin heating the oven chamber...

Страница 103: ...g to 40 5 C Reminder The oven will not heat unless the oven chamber is vacuumed down to 76 Torr 0 1 bar or lower A STOP button replaces the START button The heating icon on the STOP button pulses on a...

Страница 104: ...104 P a g e cascadesciences com Tel 503 847 9047 End of Procedure...

Страница 105: ...ressure The oven heating elements and the touchscreen display turn off The Purge Light will change to blinking green to indicate that the oven is purging the electronics and heating elements enclosure...

Страница 106: ...unit temperature stability If you find no sources of 1 Set OTL control to its maximum setting If not already set to max 2 Turn the dial counterclockwise to the left until the Over Temperature alert a...

Страница 107: ...107 P a g e cascadesciences com Tel 503 847 9047 external or internal temperature fluctuations contact Customer Support or your distributor for assistance End of Procedure...

Страница 108: ...es repeating the time consuming long heat up and provides better temperature stability than repeated cooldowns and heat ups An oven chamber under vacuum is efficient at retaining heat and can require...

Страница 109: ...r at temperatures above 100 C risks oxidizing chamber surfaces POWER INTERRUPTIONS In the event of short lived loss of power in the range of two minutes the oven will resume operating at its previous...

Страница 110: ...imer button to open the Timer menu 2 Use the plus and minus buttons to adjust the Timer runtime 3 Tap the Start Timer button to begin the timer countdown The oven will run at the current temperature s...

Страница 111: ...111 P a g e cascadesciences com Tel 503 847 9047 Tap the red timer Stop button to clear the Timer Finished message...

Страница 112: ...et for just above sea level At or near sea level pressure the oven will read approximately 0 inches of mercury This can fluctuate with the weather and changes in barometric pressure Readings of 0 2 to...

Страница 113: ...5 EX SS ovens must have access to a copy of this manual SAFETY AFTER REPAIRS AND MAINTENANCE Verify the oven is in a safe state prior to returning it to operation after any repairs maintenance or othe...

Страница 114: ...114 P a g e cascadesciences com Tel 503 847 9047 isolated by the purge and pressurization safety system from contact with potentially explosive atmospheres during powered operation...

Страница 115: ...ping it well out of the way of shelves or sample trays being removed from or inserted into the chamber Procedure The manufacturer recommends having a rubber mallet and exam gloves on hand to perform t...

Страница 116: ...116 P a g e cascadesciences com Tel 503 847 9047 End of Procedure...

Страница 117: ...ibility of decontamination or cleaning agents with the parts of the equipment or with the material contained in it Warning Exercise caution if cleaning the unit with alcohol or flammable cleaners Alwa...

Страница 118: ...118 P a g e cascadesciences com Tel 503 847 9047 o Wipe across the screen surface while maintaining continual contact This should avoid triggering the buttons...

Страница 119: ...rce Do not clean with deionized water DI water can be corrosive to metal surfaces VACUUM PUMP MAINTENANCE Vacuum pumps are high wear equipment and require the replacement of seals and diaphragms at le...

Страница 120: ...Calibrate as often as required by your laboratory or production protocol or regulatory compliance schedule Always calibrate to the standards and use the calibration setup required by your industry re...

Страница 121: ...p and Stabilization Phases Suggested Calibration Procedure 1 Compare the reference device and oven temperature display readings If the readings are the same or the difference between the two falls wit...

Страница 122: ...47 MAINTENANCE Temperature Calibration Continued 2 Tap the Settings button on the Homepage 3 Tap the Service Functions button 4 Enter 510 in the Service Function Code field and then tap the Save butto...

Страница 123: ...123 P a g e cascadesciences com Tel 503 847 9047 Continued next page...

Страница 124: ...emperature deviations outside these parameters contact Technical Support 6 Tap the Save button to save the new temperature The display will automatically return to the Settings menu page 7 Tap the Hom...

Страница 125: ...125 P a g e cascadesciences com Tel 503 847 9047 Continued next page...

Страница 126: ...gs are now the same or the difference falls within the range of your protocol the oven is now calibrated for temperature If the difference still falls outside the acceptable range of your protocol rep...

Страница 127: ...127 P a g e cascadesciences com Tel 503 847 9047 End of Procedure...

Страница 128: ...128 P a g e cascadesciences com Tel 503 847 9047 MAINTENANCE...

Страница 129: ...scription Parts Number Adjustable leveling foot 1 each requires 4 2700506 Shelf 5680563 Shelf clips Requires 4 clips per shelf 1250510 Door Gasket 3450789 Vacuum Tubing Connection Kit Side Vacuum Valv...

Страница 130: ...130 P a g e cascadesciences com Tel 503 847 9047 REPLACEMENT PARTS...

Страница 131: ...anual to prevent the possibility of ignition through static discharge See page 77 for additional hazard warnings and precautions Fixed Installation Ovens Hardwire power source oven models If the syste...

Страница 132: ......

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