Thermo Scientific 2860 Service Manual
Thermo Scientific 2860 Service Manual

Thermo Scientific 2860 Service Manual

Coliform incubator bath

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He a te r O n
C a lib ra te
O n
O ff
401 Millcreek Road, Box 649
Marietta, Ohio 45750
USA
Phone: 740-373-4763
Toll Free: 800-438-4851
FAX: 740-373-4189
Manual P/N 3177875
Rev. F Dated 06APR09
Installation/Service Manual
Coliform Incubator Bath
Model 2860/2861 (251)
Se le c te d Te m p e ra tur e s Are Fa ctory Pr e se t
To Se le ct Te m p e ra ture :
Pr e ss
or
until d e sir e d te m p e ra tur e is d isp la ye d .
Pre ss ENTER - Ne w Se t Point is ac ce p te d .
Disp lay will the n r e tur n to a ctua l te m p e r a tur e .
Sho uld C a lib ra tion Be Re q uire d :
Pla ce c e r tifie d / tr a ce ab le the r m om e te r into hold e r .
Allow to sta b ilize .
Pre ss C a lib r a te b utton.
Pr e ss
o r
to m a tch r e ad out to the rm om e te r.
Pr e ss ENTER - c alib r a tion is co m p le te .
ENTER
Hig h Lim it

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Summary of Contents for Thermo Scientific 2860

  • Page 1 Installation/Service Manual Coliform Incubator Bath Model 2860/2861 (251) Se le c te d Te m p e ra tur e s Are Fa ctory Pr e se t To Se le ct Te m p e ra ture : Pr e ss until d e sir e d te m p e ra tur e is d isp la ye d .
  • Page 2 THE MATERIAL IN THIS MANUAL IS FOR INFORMATION PURPOSES ONLY. THE CONTENTS AND THE PRODUCT IT DESCRIBES ARE SUBJECT TO CHANGE WITHOUT NOTICE. THERMO SCIENTIFIC MAKES NO REPRESENTATIONS OR WARRANTIES WITH RESPECT TO THIS MANUAL. IN NO EVENT SHALL THERMO BE LIABLE FOR ANY DAMAGES, DIRECT OR INCIDENTAL, ARISING OUT OF OR RELATED TO THE USE OF THIS MANUAL.
  • Page 3 REVISION STATUS INDEX DATE AMENDED PAGES NOTES 6/99 Initial release Add caution "acidic & caustic NOV01 substance .." APR05 new manuals #, manufacture location 36100110 (34001605) JUN06 ECR23443 & 23496 consolidated with 3177691 230V, removed CE symbol and declaration Revised water specifications SEPT08 ECR24808 Added UL required info...
  • Page 4: Table Of Contents

    Contents INTRODUCTION ........................1 UNPACKING AND DAMAGE ....................1 GENERAL INFORMATION ....................2 PERFORMANCE ......................... 3 INSTALLATION ........................3 EXPLANATION OF CONTROLS ..................4 OPERATION ........................5 MAINTENANCE ........................6 TROUBLESHOOTING ......................7 REPLACEMENT PARTS LIST ..................10 ASSEMBLY & SCHEMATIC DWGS ................. 11 WARRANTY ........................
  • Page 6: Introduction

    INTRODUCTION UNPACKING AND DAMAGE 1.01 Your satisfaction and safety are important 2.01 Save all packing material until unit is put to Thermo and a complete understanding of this into service. This merchandise was carefully unit is necessary to attain these objectives. packed and thoroughly inspected before leaving our factory.
  • Page 7: General Information

    GENERAL INFORMATION WARNING USING CHLORINATED TAP WATER OR 3.01 The Precision Coliform Incubator Bath is ADDITIVES THAT CONTAIN CHLORINE a special purpose bath designed for two specific WILL VOID THE MANUFACTURER'S tests. WARRANTY. SIMILARLY, HIGH PURITY (DEIONIZED) WATER THAT DOES NOT 1.
  • Page 8: Performance

    3.04 The interior of the bath is constructed of Environmental Conditions- stainless steel and is designed for operation This instrument is designed to operate safely with distilled water or water solutions, such as under the following conditions: water/ethylene glycol with a corrosion inhibitor •...
  • Page 9: Explanation Of Controls

    EXPLANATION OF CONTROLS 5.03 Determine the total amount of current being used by other apparatus connected to 6.01 Power Switch - The power switch the circuit that will be used for this apparatus. located on the lower left-hand side of the It is critical that the added current demand control panel provides power for the entire (see nameplate) of this and other equipment...
  • Page 10: Operation

    OPERATION 3. To Select the Operating Temperature: Model 2860 has four user selectable temperature setpoints of 35.0, 41.5, 44.5 CAUTION and 45.5°C. To select the desired operating EXERCISE CARE WHEN USING ACIDIC OR CAUSTIC SOLUTIONS AS THEY WILL ATTACK temperature, press the...
  • Page 11: Maintenance

    MAINTENANCE 2. Should it be necessary to use a media other than water such as those listed below, limit the time to a maximum of four hours. Clean 8.01 Cleaning and care of stainless steel: surfaces immediately after use. Stainless steel will resist corrosion; however, it is not impervious to it.
  • Page 12: Troubleshooting

    9.02 The following is a list of the tools and TROUBLESHOOTING instruments required to perform the procedures outlined in the Troubleshooting Procedures WARNING table. SERVICE SHOULD BE PERFORMED BY A QUALIFIED TECHNICIAN. BEFORE Tools Needed: REPLACING ANY ELECTRICAL OR MECHANICAL COMPONENTS, UNPLUG •...
  • Page 13 9.03 No Heat Check Heater (Cont'd) Disconnect unit from electrical supply. Disconnect heater from circuit and check resistance between heater leads (red and white wires) with an ohmmeter. Approximate heater resistance values are shown below. 120V 230V 24 ohms 47 ohms If resistance reads 0 or infinite, replace heater.
  • Page 14 9.06 Pump does not Verify that the water level is above both the pump inlet circulate water. and outlet. If pump is not running, verify that power is applied to the bath. If power is present, check wiring of pump to power switch.
  • Page 15: 10. Replacement Parts List

    10. REPLACEMENT PARTS LIST SMALL COLIFORM BATH 3166676 3166677 Voltage 115V 230V Stirrer Pump Assembly 3167049 3162149 Stirrer Pump Extension 3177458 Stirrer Pump Mounting Bracket 3164460 Bath Pan Kit 3167149 PCB Assembly, Power Supply 3166924 PCB Assembly, CPU 3167119 PCB Assembly, Display 3176679 Wire Harness 3177620...
  • Page 16: Assembly & Schematic Dwgs

    11. ASSEMBLY AND SCHEMATIC DRAWINGS...
  • Page 19 Certified Traceable Temp. Sensor Thermometer Holder Assembly Holder (Thermometer not supplied) Stir Pump Bracket Stir Pump Assembly Bath Pan/Tub TOP VIEW...

This manual is also suitable for:

2861

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