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Summary of Contents for shelolab SG02
- Page 1 GRAVITY OVENS 110 – 120 Voltage Installation - Operation Manual SGO1 SGO3 SGO5...
- Page 2 P a g e...
- Page 3 SGO Gravity Ovens 110 – 120 Voltage Part Number (Manual): 4861727 Revision: March 30, 2018 Pictured on Cover: Left to right SGO1, SGO3, SGO5 SLG122, SLG322, SLG522 SHEL LAB is a brand of Sheldon Manufacturing, INC. Safety Certifications These units are CUE listed by TÜV SÜD as gravity ovens for professional, industrial, or educational use where the preparation or testing of materials is done at an ambient air pressure range of 22.14 –...
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Page 4: Table Of Contents
TABLE OF CONTENTS INTRODUCTION ................................ 5 Read this Manual ..................................5 Safety Considerations and Requirements ........................5 Contacting Assistance ................................6 Engineering Improvements..............................6 Reference Sensor Device ..............................7 RECEIVING YOUR UNIT ............................9 Inspect the Shipment ................................9 Orientation Photos ................................10 Recording Data Plate Information ........................... -
Page 5: Introduction
INTRODUCTION Thank you for purchasing a SHEL LAB oven. We know you have many choices in today’s competitive marketplace when it comes to constant temperature equipment. We appreciate you choosing ours. We stand behind our products and will be here if you need us. EAD THIS ANUAL Failure to follow the guidelines and instructions in this user manual may create a protection... -
Page 6: Contacting Assistance
INTRODUCTION ONTACTING SSISTANCE Phone hours for Sheldon Technical Support are 6 am – 4:30 pm Pacific Coast Time (west coast of the United States, UTC -8), Monday through Friday. Please have the following information ready when calling or emailing Technical Support: the model number and the serial number (see page 14). EMAIL: support@sheldonmfg.com PHONE: 1-800-322-4897 extension 4, or (503) 640-3000 FAX: (503) 640-1366... -
Page 7: Reference Sensor Device
INTRODUCTION EFERENCE ENSOR EVICE Must be purchased separately A reference sensor device is required for calibrating the unit temperature display. Reference devices must meet the following standards: Accurate to at least 1°C • Temperature The device should be regularly calibrated, preferably by a third party. Reference Temperature Probes Use a digital device with wire thermocouple probes that can be introduced into the oven chamber... - Page 8 INTRODUCTION P a g e...
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Page 9: Receiving Your Unit
RECEIVING YOUR UNIT NSPECT THE HIPMENT When a unit leaves the factory, safe delivery becomes the responsibility of the carrier. • Damage sustained during transit is not covered by the manufacturing defect warranty. • Save the shipping carton until you are certain the unit and its accessories function properly. •... -
Page 10: Orientation Photos
RECEIVING YOUR UNIT RIENTATION HOTOS Figure 1: SGO5 Exhaust Port with Sliding Dampener Chamber Gasket Door Latch Chamber Door Handle Access Port Oven Chamber Control Panel Main Temperature and OTL Sensor Probes 10 | P a g e... - Page 11 RECEIVING YOUR UNIT Figure 2: SGO3 Exhaust Port with Sliding Dampener Chamber Gasket Main Temperature and OTL Sensor Probes Door Latch Chamber Door Handle Access Port Control Panel Oven Chamber 11 | P a g e...
- Page 12 RECEIVING YOUR UNIT Figure 3: SGO1 Chamber Gasket Exhaust Port with Sliding Dampener Main Temperature and OTL Sensor Probes (Under Shelf) Door Latch Access Port Control Panel Oven Chamber 12 | P a g e...
- Page 13 RECEIVING YOUR UNIT Figure 4: Unit Back Exhaust Vent Access Port (Stopper Installed) Power Cord Inlet with Fuse 13 | P a g e...
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Page 14: Recording Data Plate Information
RECEIVING YOUR UNIT ECORDING LATE NFORMATION The data plate contains the unit model number and serial number. Tech Support will need this information during any support call. Record it below for future reference. The data plate is located on the back of the oven above the power inlet. •... -
Page 15: Installation
INSTALLATION NSTALLATION ROCEDURE HECKLIST For installing the oven in a new workspace. Pre-Installation Check that the required workspace ambient conditions for the unit are met, page 16. Unit dimensions may be found on page 41 • Check that the required ventilation and spacing requirements are met, page 16. -
Page 16: Required Ambient Conditions
INSTALLATION EQUIRED MBIENT ONDITIONS When selecting a location to install the unit, look for sources of heat, cold, and moving air that can affect the chamber temperature and atmospheric integrity: Proximity to other ovens, autoclaves, and any device that produces significant radiant heat •... -
Page 17: Power Source Requirements
INSTALLATION OWER OURCE EQUIREMENTS When selecting a location for the unit, verify that each of the following requirements is satisfied: Power Source: The wall power outlet must meet the power requirements listed on the unit data plate. These units are intended for 110 – 120 VAC 50/60 Hz applications at the following amperages: SGO1 SGO3... -
Page 18: Lifting And Handling
INSTALLATION IFTING AND ANDLING The unit is heavy. Use appropriate lifting devices that are sufficiently rated for the unit weight. Follow the guidelines below when lifting the unit: Lift the unit only from its bottom surface. • Doors, handles, and knobs are not adequate for lifting or stabilization. •... -
Page 19: Install The Oven
INSTALLATION NSTALL THE Place the unit in a workspace location that meets the criteria discussed in the previous entries of the Installation section. EIONIZED AND ISTILLED ATER Do not use deionized water to clean the unit. Use of deionized water may corrode metal surfaces and voids the warranty. -
Page 20: Shelving Installation
INSTALLATION HELVING NSTALLATION Install 4 clips for each shelf in the slots located on the sides of the chamber interior. a. Squeeze each clip. b. Insert the top tabs first, then the bottom tabs using a rocking motion. 2. Place the shelf on the clips. Figure 6: Place the Shelf Figure 5: Install Clips CCESS... -
Page 21: Graphic Symbols
GRAPHIC SYMBOLS The unit is provided with multiple graphic symbols on its exterior. The symbols identify hazards and the functions of the adjustable components, as well as important notes in the user manual. Symbol Definition Consult the user manual Consulter le manuel d'utilisation Temperature display Indique l'affichage de la température Over Temperature Limit system... - Page 22 GRAPHIC SYMBOLS Symbol Definition Indicates the timer Indique le minuterie Start or Stop the Timer Lancer ou arrêter le minuteur Reset the Timer Réinitialisation de la Minuterie 22 | P a g e...
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Page 23: Control Panel Overview
CONTROL PANEL OVERVIEW Control Panel Power Switch When in the ON ( I ) position, the switch illuminates and the oven heats to the currently programmed temperature set point. Timer Switch The black Timer Switch controls power to the timer system. When this switch is in the ON position, the ovens ceases heating, the SET TIMER display illuminates, and the user may launch a timed, steady-state heating profile running at the current temperature set point. - Page 24 CONTROL PANEL OVERVIEW Timer Display and Control Pad The SET TIMER display shows the duration of the currently programmed heating profile, or a flashing duration adjustment mode, or the countdown of an active profile to 0. The “//” RESET button is used to place the Timer display in its adjustable duration mode, and then to scroll through the duration time parameters.
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Page 25: Operation
OPERATION Safe operation of the unit is dependent on the actions and behavior of the unit operators. Operating personnel must read and understand the Operating Precautions in this section prior to operating the unit. The operators must follow these instructions to prevent injuries and to safeguard their health, environment, and the materials being treated in the unit, as well as to prevent damage to the unit. -
Page 26: Theory Of Operation
OPERATION HEORY OF PERATION Heating When powered, the oven chamber heats to and then maintains the currently programmed temperature set point. The oven comes from the factory with a temperature set point of “OFF”. The set point may be adjusted by the end-user using the Set Temperature controls. The oven controller senses the chamber air temperature via a solid-state probe located in the airstream on the right wall of the oven chamber. - Page 27 OPERATION Timed Heating Profile The oven is provided with a Timer subsystem. When set, it runs the oven in a steady-state heating profile at the current temperature set point for 1 minute up to 99 hours, 59 minutes. Allow the oven to heat to the profile temperature prior to launching a profile.
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Page 28: Put The Oven Into Operation
OPERATION Note: The oven may produce light smoking during its first use above 150°C as the remnants of a protective oil coating burn off the heating element. UT THE VEN INTO PERATION Carry out the following steps and procedures to put the oven into operation after installing it in a new workspace environment. -
Page 29: Set The Temperature Set Point
OPERATION ET THE EMPERATURE OINT Set the oven to your application temperature. Turn the OTL dial clockwise to its maximum position, if not already set to max. This prevents the heating cutoff system from interfering with this • procedure. Open the vent (30% Open) The vent must be partly open to create convection in the oven •... -
Page 30: Set The Over Temperature Limit
OPERATION Note: Test the OTL system at least once per year to verify its functionality ET THE EMPERATURE IMIT This procedure sets the Over Temperature Limit heating cutoff to approximately 5˚C above the current chamber temperature. Perform this procedure when the oven has been running with no temperature fluctuations at your application temperature for at least 30 minutes. -
Page 31: Setting The Timer
OPERATION ETTING THE IMER This procedure enters a heating profile duration in the Timer system. When launched, the profile runs the oven for the duration at the present temperature set point. Turn on the Timer System Set Timer The oven will cease heating •... - Page 32 OPERATION Set Timer (Continued) Set the Tens-of-Minute parameter 1 Hour, 51 Minutes Adjust Advance to the Minutes parameter The flashing decimal point advances to • between the third and fourth numbers. This saves the new Tens-of-Minutes • parameter setting. Press Minutes Selected Set the Minutes parameter 1 Hour, 55 Minutes...
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Page 33: Launching A Heating Profile
OPERATION AUNCHING A EATING ROFILE Allow the oven to come up to temperature prior to launching a profile. See the Setting the Timer procedure on page 31 for how to set the length of the profile. Note: While the Timer system is on, the oven will not heat unless a profile is running. Turn on the Timer System Set Timer The Timer Display will illuminate, showing... -
Page 34: High Exterior Temperatures
OPERATION XTERIOR EMPERATURES Note: Allow the oven to cool or use appropriate PPE and tools when adjusting the chamber gasket seating. If the chamber gasket comes out of alignment, oven chamber air may be drawn into the insulating baffle spaces. This can result in heating of the oven exterior surfaces. If the oven exterior is unusually warm or hot, push the chamber gasket inward along its entire length to restore the integrity of the seal. -
Page 35: User Maintenance
USER MAINTENANCE Warning: Prior to maintenance or service on this unit, disconnect the power feed from the power supply. Avertissement: Avant d'effectuer toute maintenance ou entretien de cet appareil, débrancher le cordon secteur de la source d'alimentation. LEANING AND ISINFECTING If a hazardous material or substance has spilled in the unit, immediately initiate your site’s Hazardous Material Spill Containment protocol. -
Page 36: Gaskets And Chamber Integrity
USER MAINTENANCE Disinfecting Disinfect the oven if algae, mold, bacteria, or other biological contaminants are an issue. For maximum effectiveness, disinfection procedures are typically performed after cleaning. Keep the following points in mind when disinfecting the unit: Turn off and disconnect the unit to safeguard against electrical hazards. •... -
Page 37: Calibrate The Temperature Display
USER MAINTENANCE ALIBRATE THE EMPERATURE ISPLAY Note: Please see the Reference Sensor Device entry on page 7 for the device requirements. Temperature calibrations match the temperature display to the actual air temperature inside the unit chamber. The actual air temperature is supplied by a reference sensor device. Calibrations compensate for software drifts in the controller as well as deviations caused by the natural material evolution of the sensor probe in the heated chamber space. - Page 38 USER MAINTENANCE Heat up and stabilization period The oven chamber temperature must be stable to perform an accurate calibration. • The temperature is considered stabilized when the oven chamber has operated at your • calibration temperature for at least 1 hour with no fluctuations greater than the specified temperature stability of the oven (see the Unit Specifications chapter).
- Page 39 USER MAINTENANCE Calibration continued Place the oven in temperature calibration mode. a. Press and hold both the UP and DOWN arrow buttons simultaneously for approximately 5 seconds. The Temperature Display will show the letters “C O”, • then begin flashing the current temperature value. Note: If an arrow key is not pressed for 5 seconds, the Temperature Current Temp.
- Page 40 USER MAINTENANCE Calibration continued Compare the reference device reading with the chamber display again. Reference Device If the reference device and the chamber temperature • display readings are the same, or the difference falls within the range of your protocol, the unit is now calibrated for temperature.
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Page 41: Unit Specifications
UNIT SPECIFICATIONS These ovens are 110 – 120 volt units. Please refer to the oven data plate for individual electrical specifications. Technical data specified applies to units with standard equipment at an ambient temperature of 25°C and at nominal voltage. The temperatures specified are determined in accordance to factory standard following DIN 12880 respecting the recommended wall clearances of 10% of the height, width, and depth of the inner chamber. -
Page 42: Shelf Capacity By Weight
UNIT SPECIFICATIONS HELF APACITY BY EIGHT Model Per Shelf Max Total Load Max Shelves 50.0 lb / 22.6 kg* 100.0 lb / 45.3 kg** 6 Shelves SGO1 50.0 lb / 22.6 kg* 200.0 lb / 91.0 kg*** 7 Shelves SGO3 50.0 lb / 22.6 kg* 200.0 lb / 91.0 kg*** 9 Shelves... -
Page 43: Power
UNIT SPECIFICATIONS Time to Temperature: From an ambient temperature of 20°C. Model Heat Up to 80°C Heat Up to 150°C Heat Up to 306°C SGO1 5 Minutes 21 Minutes 68 Minutes SGO3 7 Minutes 23 Minutes 95 Minutes SGO5 18 Minutes 30 Minutes 120 Minutes Recovery Time: From a 30-second door opening. - Page 44 UNIT SPECIFICATIONS 44 | P a g e...
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Page 45: Parts List
PARTS LIST Description Parts Number Description Parts Number Port Stopper, High Adjustable Leveling Foot Temperature 7750572 2700512 Chamber Gasket, SGO1, sold by 1.5 feet, requires Shelf, SGO1 5.4ft (1.65 meters) 6800543 3450767 (1.5ft) Chamber Gasket, SGO3, sold by 1.5 feet, requires Shelf, SGO3 7.5ft (2.3 meters) 6800544... - Page 46 PARTS LIST 46 | P a g e...
- Page 47 PARTS LIST 47 | P a g e...
- Page 48 P.O. Box 627 Cornelius, OR 97113 support@sheldonmfg.com sheldonmanufacturing.com 1-800-322-4897 (503) 640-3000 FAX: 503 640-1366...
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