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Shel lab SHELOLAB SVAC1 Installation And Operation Manual

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Sheldon Manufacturing Inc. P.O. Box 627 Cornelius, Oregon 97113
EMAIL:
tech@Shellab.com
1-800-322-4897
INSTALLATION AND OPERATION MANUAL
INTERNET:
http://www.Shellab.com/~Shellab
(503) 640-3000
VACUUM OVEN
SVAC1 SVAC1-2
SVAC2 SVAC2-2
SVAC4 SVAC4-2
Previously designated as
1425, 1425-2
1445, 1445-2
1465, 1465-2
Revised 6 / 2014
FAX (503) 640-1366
4861531

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  • Page 1 SVAC2 SVAC2-2 SVAC4 SVAC4-2 Previously designated as 1425, 1425-2 1445, 1445-2 1465, 1465-2 INSTALLATION AND OPERATION MANUAL Revised 6 / 2014 4861531 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...

  • 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 VACUUM OPERATION SECTION 7.0 OPERATION SECTION 8.0 MAINTENANCE SECTION 9.0 TROUBLESHOOTING SECTION 10.0 PARTS LIST UNIT SPECIFICATIONS SCHEMATICS REFERENCE INFORMATION...
  • Page 3 We appreciate your choosing our quality product. Our continued reputation as a leading laboratory product manufacturer rests with each and every customer. Sheldon Manufacturing, Inc. stands behind our products and want to let you know we are here if you need us.

  • Page 4: Receiving And Inspection

    Section RECEIVING AND INSPECTION IMPORTANT: READ THIS INSTRUCTION MANUAL IMMEDIATELY. Your satisfaction and safety require a complete understanding of this unit, including its proper function and operational characteristics. Be sure operators are given adequate training before attempting to put unit in service.

  • Page 5: 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 6: 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 circumstances these units are intended for use indoors, at room temperatures between 15 and 35C, at no greater than 80% relative Humidity (at 25C) and with a supply voltage that does not vary by more than 10%.

  • Page 8: Precautions

    Section PRECAUTIONS NOTE: THIS IS NOT AN EXPLOSION 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 modify the power cord provided with the unit.

  • Page 9: Control Panel Overview

    Section CONTROL PANEL OVERVIEW SVAC1 (1425) & SVAC1-2 (1425-2) SVAC2 (1445) & SVAC2-2 (1445-2) SVAC4 (1465) & SVAC4-2 (1465-2) Watlow EZ-Zone Control On some older Watlow Watlow Controller Details Controllers the Reset button may be labeled with an infinite ∞ symbol rather than RESET.
  • Page 10 FUSE: Mounted on the rear wall next to the power cord, provides protection for the unit’s electrical circuitry against over current conditions. The fuse, when blown, must be replaced before the unit can continue operation. Match the fuse ratings with those on the fuse data plate. VACUUM: This adjustment handle allows opening and closing of the vacuum valve to an external vacuum pump or system.

  • Page 11: Vacuum Operation

    Section VACUUM OPERATION The vacuum pump is the heart of your vacuum oven system. The selection of a vacuum pump is critical to match your overall performance expectations for time to evacuate the chamber and the maximum obtainable vacuum levels. As well, the type of pump should be considered depending on the material that will be placed in the chamber.

  • Page 12: Oven Operation

    Section OVEN OPERATION NOTE: When starting a new oven, allow the oven to operate two hours at 150˚C. 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 Connection: Connect the service cord to a grounded outlet if supplied with a detachable cord set.
  • Page 13 Setting the Set Over Limit Temperature Control: To set the Over Temperature Limit Control, perform the following: The Over Temperature Limit Control should be initially set to its maximum position to allow the Main Temperature Controller to stabilize. Set Main Temperature Control to 1˚C above desired set point and allow to stabilize. Turn the Over Temperature Limit Control counter-clockwise until the Over Temperature Light just activated.

  • Page 14: Maintenance

    Section MAINTENANCE Warning : Prior to any maintenance or service on this unit, disconnect the power cord from the power supply. Before reattaching the unit to its power supply, 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 15 Section TROUBLESHOOTING AND SERVICE 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–call Customer Service Chamber temperature spikes over set point and then settles to set...
  • Page 16 4/ Controller set too low–be sure that it is more than 5 degrees over desired set point; check if Over Temperature light is on continuously; turn controller knob completely clockwise to see if problem solved then follow instructions in section 6.6 for correct setting. 5/ electrical noise–remove nearby sources of RFI including motors, arcing relays or radio transmitters.

  • Page 17: Parts List

    Section PARTS LIST Description 100-120V 220-240V Controller Knob 4450506 4450506 Outer Door Glass SVAC1 (1425) & SVAC1-2 (1425-2) 3550522 3550522 SVAC2 (1445) & 1445-2 3550521 3550521 SVAC4 (1465) & SVAC4-2 (1465-2) 3550523 3550523 Door Glass SVAC1 (1425) & SVAC1-2 (1425-2) 3550542 3550542 SVAC2 (1445) &...
  • Page 18 Description 100-120V 220-240V Temperature Controller (Watlow) SVAC1 (1425) & SVAC1-2 (1425-2) 9660501 9660501 SVAC2 (1445) & SVAC2-2 (1445-2) 9660502 9660502 SVAC4 (1465) & SVAC4-2 (1465-2) 9660503 9660503 Vacuum Gauge (Digital) Sunx 7850583 7850583 Vacuum Gauge (Digital) Autonics 7850584 7850584 Ventilation Valve 9990736 9990736 Vacuum Valve...

  • Page 19: Unit Specifications

    UNIT SPECIFICATIONS Weight Shipping SVAC1 (1425) 145 lbs. 105 lbs. SVAC1-2 (1425-2) 65.771 kg 47.627 kg SVAC2 (1445) 220 lbs. 179 lbs. SVAC2-2 (1445)-2 99.790 kg 81.193 kg SVAC4 (1465) 400 lbs. 360 lbs. SVAC4-2 (1465-2) 181.44 kg 163.29 kg Dimensions Exterior W x D x H Interior W x D x H...
  • Page 20 WIRE DIAGRAM SVAC1 (1425) 100-120V 9851330 INLET 4200513 FUSE RED HT BLACK HT 2800502 EMI FILTER BLACK HT RED HT GREEN LIGHTED SWITCH 7850570 4880550 BLACK HT RED HT VACUMM GAGE 7850583 12VDC POWER SUPPLY 6750507 MODE BLACK HT BLACK HT RED HT RED HT WATLOW PM...
  • Page 21 WIRE DIAGRAM SVAC1-2 (1425-2) 220-240V 9851329 INLET 4200513 FUSE FUSE RED HT BLACK HT 2800502 EMI FILTER BLACK HT RED HT GREEN LIGHTED SWITCH 7850570 4880551 BLACK HT RED HT WHITE VACUMM GAGE 7850583 BLACK 12VDC POWER SUPPLY 6750507 MODE BLACK HT BLACK HT RED HT...
  • Page 22 WIRE DIAGRAM SVAC2 (1445) 100-120V 9851328 INLET 4200513 FUSE RED HT BLACK HT 2800502 EMI FILTER BLACK HT RED HT GREEN LIGHTED SWITCH 7850570 4880550 BLACK HT RED HT VACUMM GAGE 7850583 12VDC POWER SUPPLY 6750507 MODE BLACK HT BLACK HT RED HT RED HT WATLOW PM...
  • Page 23 WIRE DIAGRAM SVAC2-2 (144-25)220-240V 9851327 INLET 4200513 FUSE FUSE BLACK HT RED HT 2800502 EMI FILTER BLACK HT RED HT GREEN LIGHTED SWITCH 7850570 4880551 BLACK HT RED HT WHITE VACUMM GAGE 7850583 BLACK 12VDC POWER SUPPLY 6750507 MODE BLACK HT BLACK HT RED HT RED HT...
  • Page 24 WIRE DIAGRAM SVAC4 (1465) 100-120V 9851326 INLET 4200513 FUSE RED HT BLACK HT 2800503 EMI FILTER BLACK HT RED HT GREEN LIGHTED SWITCH 7850570 4880550 BLACK HT RED HT VACUMM GAGE 7850583 12VDC POWER SUPPLY 6750507 MODE BLACK HT BLACK HT RED HT RED HT WATLOW PM...
  • Page 25 WIRE DIAGRAM SVAC4-2 (1465-2) 220-240V 9851325 INLET 4200513 FUSE FUSE RED HT BLACK HT 2800502 EMI FILTER BLACK HT RED HT GREEN LIGHTED SWITCH 7850570 4880551 BLACK HT RED HT WHITE VACUMM GAGE 7850583 BLACK 12VDC POWER SUPPLY 6750507 MODE BLACK HT BLACK HT RED HT...
  • Page 26 REFERENCE 1 PROGRAMING RAMP AND SOAK PROFILE THE WATLOW EZ ZONE CONTROLER IS CAPABLE OF 40 STEP RAMP AND SOAK PROFILES OR 4 DIFFERENT FILES WITH 10 STEPS PER FILE. BELOW IS A SIMPLE EXAMPLE PROGRAM ON HOW TO ENTER A PROFILE AND START AND RUN A PROGRAM. THE PROGRAM WILL RAMP UP TO 150 DEGREES FROM AMBIENT CONDITION AND SOAK FOR 4 HOURS.
  • Page 27 REFERENCE 1 (cont.) USE UP USE UP OR DOWN OR DOWN ARROWS ARROWS PUSH ONCE PUSH ONCE SoAh # VALUE # VALUE S.tyP hoUr hoUr FOR NEXT FOR NEXT SCREEN TO SELECT TO SELECT SCREEN SOAh IN TOP 4 IN TOP DISPLAY DISPLAY USE UP...
  • Page 28 REFERENCE 1 (cont.) EXAMPLE GRAPH OF PROGRAMED PROFILE WITH 1 HOUR TIME TO TEMPERATURE AND 4 HOURS SOAK AT TEMPERATURE UNITS WITH POWER EXHAUST OUTLETS WILL ACTIVATE HERE SOAh=4 HOURS SOAK TIME AT TEMPERATURE COOL DOWN TI= 1 HOUR TIME WILL RAMPTIME TO VERY DEPENDING ON SET POINT...
  • Page 29 REFERENCE 2 SUNX VACUUM GAUGE ZERO ADJUSTMENT: The SUNX DP2-20F vacuum gauge comes preset from the factory reading vacuum in inhg and automatically runs in sensing mode when powered on. At different altitudes the gauge may need to be re- zeroed.
  • Page 30 REFERENCE 2 (cont.) AUTONICS VACUUM GAUGE ZERO ADJUSTMENT: The AUTONICS PSA-V01 vacuum gage comes preset from the factory reading vacuum in inhg and automatically runs in sensing mode when powered on. Do to different altitudes the gage may need to be zeroed.

  • Page 31: Appendix

    REFERENCE 3 APPENDIX The Effect of Altitude (Atmospheric Pressure) on Maximum Attainable Vacuum Level The Maximum Possible Vacuum Attained is based on your Altitude. Basically, the higher you are the less vacuum you can attain. Because free air is less dense at higher altitudes (i.e. lower atmospheric pressure) operation at these higher altitudes has the effect of reducing the capacity and maximum vacuum levels attainable.

This manual is also suitable for:

Svac1-2Svac2Svac2-2Svac4Svac4-21425 ... Show all

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