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- Page 1 VACUUM OVENS MODEL: 1470,1480, & 1490 02/11 4861644 INSTALLATION AND OPERATIONAL MANUAL 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 CONTROLS OVERVIEW SECTION 5.0 PRECAUTIONS SECTION 6.0 VACUUM OPERATION SECTION 7.0 OPERATION SECTION 8.0 MAINTENANCE SECTION 9.0 TROUBLESHOOTING AND SERVICE SECTION 10.0 PARTS LIST UNIT SPECIFICATIONS SCHEMATICS This unit is a special purpose oven for professional, industrial or educational use where the preparation... -
Page 3: Receiving And Inspection
Accessories: Verify that all of the equipment indicated on the packing slip is included with the unit. Carefully check all packaging before discarding. The 1470 have two deep shelves and one shallow shelf. The 1480 has two deep shelves, one shallow shelf and four adjustable feet. -
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. Indicates “AC Power”. Indicates “I/On and O/Off”. Indicates “Vacuum Gauge”. Indicates “Vent (Gas)”. Indicates “Vacuum”. -
Page 5: Installation
Leveling: The unit must sit level and solidly. The Model 1470 has rubber feet that are already attached to the unit and are not adjustable. Leveling feet are supplied with Models 1480 and 1490, and must be installed in the four holes in the bottom corners of the unit. - Page 6 FIGURE 1 Shelf Placement for 1470, 1480, 1490 Series 1470 SERIES 1480 SERIES 1490 SERIES...
- Page 7 Section CONTROL PANEL OVERVIEW Power Switch: The main power I/O (on/off) switch controls all power to the unit and must be in the I/ON position before any systems are operational. Main Temperature Control: This control is marked C and consists of the digital display and UP/DOWN arrow pads for inputting set point temperatures and calibration.
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Page 8: Precautions
Section PRECAUTIONS NOTE: THIS IS NOT AN EXPOLOSION PROOF OVEN. The bottom surface of the chamber should not be used as a work surface. Do not place or use explosive, combustible, or flammable materials in the oven. Do not use sealed containers in the oven chamber. Do not cut or remove the ground prong from the power cord or use a 2-prong adapter plug. -
Page 9: Vacuum Operation
A pump with a pumping capacity four times greater than the chamber volume is recommended. For example, 1470 has a chamber volume of one (1) cubic foot, so a pump with a pumping capacity of four (4) cubic feet per minute is recommended. -
Page 10: Operation
Section OPERATION NOTE: Slight vapor or smoke may occur in the initial heat-up. This is the dissipation of protective coatings that have been added to the oven elements. Power Supply: Connect the service cord to a grounded outlet and push the power switch to the I/On position. -
Page 11: Maintenance
Section MAINTENANCE NOTE: Prior to any maintenance or service on this unit, disconnect the service cord from the power supply. Cleaning: Disinfect the oven interior on a regular basis. To prepare the oven for cleaning remove the shelves and door gasket. The shelves and door gasket are autoclavable. - Page 12 Section TROUBLESHOOTING FOR PERSONAL SAFETY, ALWAYS DISCONNECT THE POWER BEFORE SERVICING. Always make a visual inspection of the oven and control console when troubleshooting. Look for loose or disconnected wires or tubing, which may be the source of the trouble. The oven is designed so that no internal electrical servicing should be required under normal conditions.
- Page 13 3/ do all controller functions work? 4/ has the fuse or circuit breaker blown? 5/Units will need at least some vacuum in chamber to keep unit air tight - verify with control panel vacuum gage Indicated chamber temperature unstable 1/ ±0.1 may be normal 2/ is ambient room temperature radically changing –...
- Page 14 1/ check wall power source 2/ compare current draw and compare to specs on data plate 3/ see what other loads are on the wall circuit unit will not turn on 1/ check wall power source 2/ check fuse/circuit breaker on unit or in wall 3/ see if unit is on, e.g., heater, and just controller is off 4/ check all wiring connections, esp.
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Page 15: Parts List
Section PARTS LIST – 115V Description 1470 1480 1490 Door Gasket, Standard Silicone 3450706 3450707 3450719 Door Glass 3550542 3550540 3550586 9570815 ( sides) Element 9570739 9570728 9570816 (top/bottom) Feet 2700513 2700512 2700512 Pilot Light (Red) 4650553 4650553 4650553 Pilot Light (Green) - Page 16 PARTS LIST – 220V Description 1470 1480 1490 Door Gasket, Standard Silicone 3450502 3450503 3450504 Door Glass 3550542 3550540 3550586 9570815 ( sides) Element 9570739 9570728 9570816 (top/bottom) Feet 2700513 2700512 2700512 Pilot Light (Red) 4650553 4650553 4650553 Pilot Light (Green)
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Page 17: Unit Specifications
UNIT SPECIFICATIONS Weight Shipping 1470 67 lbs. 55 lbs. 1480 240 lbs. 115 lbs. 1490 315 lbs. 275 lbs. Dimensions Exterior WxDxH (in.) Interior WxDxH (in.) 1470 20.5x17x16.3 9x12x9 1480 25.5x25x21 12x20x12 1490 30.5x28.5x25.5 18x24x18 Capacity Cubic Feet 1470 1480... - Page 18 WIRE DIAGRAM THESE OVEN MODELS INCORPORATE A HARD- BLK (WHT) RED WIRED POWER CORD. PART NUMBERS ARE LISTED BELOW: 1100505 NOTES: CKT BKR 15A 120V DOMESTIC 1800516 NOT USED ON 115V MODELS. 240V DOMESTIC 101990 GRN/ TEXT IN ( ) REFER TO 115V MODELS. example: ( 115V MODELS ) 230V MODELS ALL WIRES ARE HIGH TEMP.
- Page 19 MODEL 1470 (0.6 cu ft) 220-240V WIRING 110-120V WIRING RIGHT RIGHT LEFT LEFT ELEMENT STATS ASSEMBLY P/N: 9570739 x2 (1 LEFT & 1 RIGHT) COIL RESISTANCE COLD: 35.7 ea. COIL P/N: 2350509 DESIGN WATTAGE: 375W ea. DESIGN VOLTAGE: 120V ea.
- Page 20 SHELDON MANUFACTURING, INC. LIMITED WARRANTY Sheldon Manufacturing, Inc., (“Manufacturer”) warrants for the original user of this product in the U.S.A. only that this product (parts only if outside of the U.S.A.) will be free from defects in material and workmanship for a period of two years from the date of delivery of this product to the original user (the “Warranty Period”).
- Page 21 San Diego, CA Lake Charles, LA S. Plainfield, NJ S A N D I M A S , Or Call Direct for Specialized Service Locations: VWR International Switzerland VWR Furniture Division 3000 Hadley Rd Ruchligstrasse # 20 P.O. Box 3405 S.
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