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MICROPROCESSOR
CONTROLLED OVEN
SGO3 SGO3-2
P
REVIOUSLY DESIGNATED
CE3G CE3G-2
Revised 6/2015
4861567
I
A
O
M
NSTALLATION
ND
PERATION
ANUAL
Sheldon Manufacturing Inc. P.O. Box 627 Cornelius, Oregon 97113
EMAIL:
tech@Shellab.com
INTERNET:
http://www.Shellab.com/~Shellab
1-800-322-4897
(503) 640-3000
FAX (503) 640-1366
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Related Manuals for shelolab SGO3
Summary of Contents for shelolab SGO3
- Page 1 MICROPROCESSOR CONTROLLED OVEN SGO3 SGO3-2 REVIOUSLY DESIGNATED CE3G CE3G-2 Revised 6/2015 4861567 NSTALLATION PERATION ANUAL Sheldon Manufacturing Inc. P.O. Box 627 Cornelius, Oregon 97113 EMAIL: tech@Shellab.com INTERNET: http://www.Shellab.com/~Shellab 1-800-322-4897 (503) 640-3000 FAX (503) 640-1366...
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Page 2: Table Of Contents
TABLE OF CONTENTS SECTION 1.0 RECEIVING AND INSPECTION SECTION 2.0 GRAPHIC SYMBOLS SECTION 3.0 INSTALLATION SECTION 4.0 PRECAUTIONS SECTION 5.0 CONTROL PANEL OVERVIEW SECTION 6.0 OPERATION SECTION 7.0 MAINTENANCE SECTION 8.0 TROUBLESHOOTING SECTION 9.0 PARTS LIST UNIT SPECIFICATIONS SCHEMATICS These units are are gravity convection ovens for professional, industrial, or educational use where the preparation or testing of materials is done at approximately atmospheric pressure and no flammable, volatile, or combustible materials are being heated. -
Page 3: Receiving And Inspection
Section RECEIVING AND INSPECTION Your satisfaction and safety require a complete understanding of this unit. Read the instructions thoroughly and be sure that all users are given adequate training before attempting to use this unit. Note: This equipment must be used only for its intended purpose;... -
Page 4: Graphic Symbols
Section GRAPHIC SYMBOLS Your oven has been provided with a display of graphic symbols which should help in identifying the use and function of the available user adjustable components. Symbol Identification Indicates that you should consult your operator’s manual for further instructions. Indique que l'opérateur doit consulter le manuel d'utilisation pour y trouver les instructions complémentaires. -
Page 5: Installation
Section INSTALLATION Local city, county or other ordinances may govern the use of this equipment. If you have any questions about local requirements, please contact the appropriate local agency. Installation may be performed by the end user. Under normal circumstance this unit is intended for use indoors, at room temperatures between 5 and 40 C, at no greater than 80% Relative Humidity ( at 25C ) and with a supply voltage that does not vary by more than 10%. -
Page 6: Precautions
Section PRECAUTIONS The bottom surface of the chamber should not be used as a work surface. This unit has been designed with a dampered vent from the chamber. In order to work effectively and safely, some precautions will need to be taken by the operator. -
Page 7: Control Panel Overview
Section CONTROL PANEL OVERVIEW Power Switch: The main power switch on the control panel (green lighted I/O) controls all power to the oven. It must be in the I/On position before any systems are operational. The green pilot light in the switch will be lighted when the switch is in the ON position. - Page 8 Temperature Activated Light: This pilot lamp will be lit whenever the elements are receiving power.
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Page 9: Operation
Section OPERATION Connection to Power Supply: Assure that the electrical power supply is properly configured and rated for the oven and plug the unit cord into the receptacle. Push the main power switch to the On position. The digital temperature display will indicate a temperature value. - Page 10 display digits will light with no lighted decimals showing (See Figure 2). Note that, if during any of the following steps, several seconds elapse with no arrow pad or reset pad activity, the timer will default to the present displayed setting and it will be necessary to restart all functions over again.
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Page 11: Maintenance
Section MAINTENANCE Warning : Prior to any maintenance or service on this unit, disconnect the power cord from the power source. Before reattaching the unit to its power source, be sure all volatile and flammable cleaners are evaporated and dry. Avertissement : Avant d'effectuer toute maintenance ou entretien de cet appareil, débrancher le cordon secteur de la source d'alimentation. -
Page 12: Troubleshooting
Section TROUBLESHOOTING TEMPERATURE Temperature too high. 1/ Controller set too high-see section 6.3 2/ Controller failed on – call Customer Service. 3/ Wiring error – call Customer Service. Display reads "HI" or "400"+. Call Customer Service Chamber temp spikes over set point and then settles to set point. - Page 13 1/ ±0.1 may be normal. 2/ For G suffix models: may vary ±2.0 degrees. 3/ For F suffix models: is fan working? –verify movement of air in chamber. 4/ Is ambient room temperature radically changing – either door opening or room airflow from heaters or air conditioning ? – stabilize ambient conditions.
- Page 14 Controller on at all times - "locked-up" 1/ Adjust set point to room temperature. If the unit is still heating, replace the solid state relay. 2/Turn unit off and on to reset. 3/ If cannot change any condition on the front panel, call Customer Service.
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Page 15: Parts List
Section PARTS LIST 115v Description 220V EMI Filter 2800503 2800502 2700512 Adjustable Feet 2700512 4450506 Control Knob 4450506 1800510 Cord Set 1800500 3800605 Door Latch 3800605 Fuse Holder 3300501 Fuse, 10 Amp 250V 3300516 3300513 Fuse, 16 Amp 7850570 I/O (On/Off) Power Switch 7850570 1750615 Overtemperature Safety Thermostat... -
Page 16: Unit Specifications
UNIT SPECIFICATIONS All Models Weight Shipping 200 lbs. 93 lbs. Dimensions Exterior WxDxH Interior WxDxH (in.) (in.) 25.50 x 25.563 x 33.3 16.50 x 19.50 x 16.437 Capacity Cubic Feet Temperature Range Uniformity Recovery 10 above amb. to +2.00C at 150C 6 min. - Page 17 WIRING DIAGRAM SGO3 / SGO3-2 (CE3G / CE3G-2)
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