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Related Manuals for Shel lab HF2-2
Summary of Contents for Shel lab HF2-2
- Page 1 HORIZONTAL AIR FLOW OVEN MODEL: HF2-2 AND HF4-2 INSTALLATION AND OPERATIONAL MANUAL 03/12 4861586 P.O. Box 627 300 N. 26 Avenue Cornelius, Oregon 97113 EMAIL:tech @ Shellab.com INTERNET: http://www.Shellab.com 1-800-322-4897 TELEPHONE (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 CONTROL OVERVIEW SECTION 5.0 PRECAUTIONS SECTION 6.0 OPERATION SECTION 7.0 MAINTENANCE SECTION 8.0 TROUBLESHOOTING AND SERVICE SECTION 9.0 PARTS LIST UNIT SPECIFICATIONS SCHEMATICS This unit is a special purpose oven 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 or... -
Page 3: Receiving And Inspection
Please see the manual cover for information on where to contact customer service. Verify that all of the equipment indicated on the packing slip is included with the unit. Carefully check all packaging before discarding. The HF2-2 comes equipped with 4 leveling feet, 4 shelf slides, and 2 shelves. -
Page 4: Graphic Symbols
Section GRAPHIC SYMBOLS Your oven has been provided with a display of graphic symbols which is designed to help in identifying the use and function of the available user, adjustable components. Indicates that you should consult your manual for further description or discussion of a control or user item. -
Page 5: 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 of the HF2-2 requires hard wiring and should be performed by a qualified electrical technician. The next higher circuit breaker value above the dataplate amperage may be used provided the requirements in article 422 of the National Electric Code are met (USA) or, the National Electric Code that applies in the country where this unit will be operating in. -
Page 6: Control Overview
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. High Limit Safety Thermostat: The High Limit Safety is an independent temperature control that must be adjusted by a flat-head screw driver. -
Page 7: 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(s) from the chamber. In order to work effectively and safely, some precautions will need to be taken by the operator. -
Page 8: Operation
Section OPERATION All control functions are covered in the Jumo Manual. This is a simplified version. Unit must be plugged into correct rating power source. Check user supplied power source rating against serial plate. On ovens that need to be hard wired, must be done by a qualified electrical technician. - Page 9 1. Push the PGM Button once and then navigate using the Up and Down Arrows until you reach “CONF” in the bottom display. 2. After you reach “CONF”, push the PGM Button again and use and Down Arrows to navigate until you reach “PRO” in the bottom display and push the “PGM”...
- Page 10 EXAMPLE PROGRAM Let’s say you want to have the oven to ramp up to 100°C in 30 minutes and control for 1 hour at 100°C. Then you want to ramp up to 150° in 30 Minutes and control for 2 hours. Then you want to cool down to start Set Point with Power Exhaust Outlet activated in one hour.
- Page 11 at -2 to match the process value to the independent thermometer. To navigate the control to the Offset Calibration mode, push the PGM button once and then push the up arrow once and the bottom display should read CONF. Then push the PGM button again and the display should say INP.
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Page 12: Maintenance
Section MAINTENANCE Cleaning: The unit chamber should be cleaned and disinfected on a regular basis. Remove shelving & shelving supports then clean thoroughly, including all corners using a suitable disinfectant that is appropriate to your application. Regular periodic cleaning is required. Special care should be taken when cleaning around sensing heads to prevent damage. - Page 13 Section TROUBLESHOOTING TEMPERATURE Temperature too high 1/ controller set too high 2/ controller failed on – call Customer Service 3/ wiring error – call Customer Service Display reads "HI" or "400"+ Probe is unplugged, is broken or wire to sensor is broken – trace wire from display to probe;...
- Page 14 blower motor in shadow box 3/ is ambient room temperature radically changing – either door opening or room airflow from heaters or air conditioning ? – stabilize ambient conditions 4/ it may happen if exhaust stack is 100% open or if power exhaust is cycling –...
- Page 15 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 Controller timer resets on its own 1/ confirm that power from wall is consistent and within specs 2/ call Customer Service with serial number Front panel displays are off 1/ Check for wire damage.
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Page 16: Parts List
Section PARTS LIST Units are 220 Volt. Description Part No. Blower Motor 4880548 Convenience Outlet 6100526 Cooling Fan X1000748 Fan Guard 2600518 Filter inlet 2800503 Heating Element 9570831 High Limit Controller 1750803 High Limit Indicator Pilot Lamp 4650553 Leveling Feet 2700512 ON/OFF Switch 7850570... -
Page 17: Unit Specifications
UNIT SPECIFICATIONS These units are 230 VAC. See the individual data plate of the unit for specific ratings. Weight Shipping HF2-2 400 lbs. 310 lbs. HF4-2 400 lbs 310 lbs Dimensions Exterior WxDxH (in) Interior WxDxH (in) HF2-2 35 x 30.25 x 38 20.5 x 20 x 20.125... - Page 18 WIRE DIAGRAM...
- Page 19 SHELDON MANUFACTURING, INC. LIMITED WARRANTY (Parts only, exclusive of labor) Sheldon Manufacturing, Inc., (“Manufacturer”) warrants for the original user of this product that all parts, not including finished goods products, it manufactures or resells will be free from defects in material and workmanship for a period of one year from the date of delivery of this product to the original user (the “Warranty Period”).
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