Cascade Sciences CVO-5-EX Series Page 41 Installation & Operation Manual Download

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P a g e

cascadesciences.com

Tel. 503 847-9047

RECEIVING

Vent:

Required Purge

and Pressurize System

Gas-In 1/4 Inch (6.35

mm) OD

Power Cord

KF-25 Vacuum Port

Unit Back, All Standard 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 Plate

The Power Cord connection terminus is not pictured and varies

by connection type (hardwire perm connect 110 volt or 220

volt, 110-volt NEMA 5-15P plug-in, 220-volt Euro CEE7/7, etc.)

Summary of Contents for CVO-5-EX Series

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

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

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

Page 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...

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

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

Page 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...

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

Page 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...

Page 132: ......

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