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ThermoForma 8600 Series Operating And Maintenance Manual

Ultra low temperature upright freezers
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8600 Series
Ultra Low Temperature
Upright Freezers
Operating and Maintenance Manual
Manual No: 7008602 Rev. 0

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Summary of Contents for ThermoForma 8600 Series

  • Page 1 8600 Series Ultra Low Temperature Upright Freezers Operating and Maintenance Manual Manual No: 7008602 Rev. 0...
  • Page 2 Model 8600 Series _______________________________________________________________________________ Models Capacity in Voltage Read This Instruction Manual. Cubic Feet 8602 Failure to read, understand and follow the instructions in 8603 this manual may result in damage to the unit, injury to operat- 8604 ing personnel, and poor equipment performance.
  • Page 3 Model 8600 Series _________________________________________________________________________Warnings Important operating and/or maintenance instructions. Read the accompanying text carefully. Potential electrical hazards. Only qualified persons should perform procedures associated with this symbol. Hot surface(s) present which may cause burns to unprotected skin or to materials which may be damaged by elevated temperatures Extreme temperature hazards, hot or cold.
  • Page 4 Model 8600 Series ___________________________________________________________________________Service...

  • Page 5: Table Of Contents

    Model 8600 Series __________________________________________________________________Table of Contents Table of Contents Section 1 - Installation and Start-up ....1 - 1 Section 5 - Maintenance ......5 - 1 1.1 Freezer Components .

  • Page 6: Section 1 - Installation And Start-Up

    Model 8600 Series ___________________________________________________________________Installation and Start-Up Section 1 - Installation and Start-up Figure 1-4 Figure 1-1 Vacuum Relief and Probe Cover Location Model 8600 Series Front 1.1 Freezer Components Figure 1-1 • Control Panel - keypad, displays and indicators. •...

  • Page 7: Control Panel Keys, Displays And Indicators

    Model 8600 Series ____________________________________________________________Installation and Start-Up Figure 1-5 • Battery mounting bracket wing nuts (three). • Battery power switch (freezer and BUS). • Freezer battery. • Optional BUS battery. • Freezer filter location. Figure 1-5 Battery(s) location and Switch Figure 1-6, Control Panel 1.2 Control Panel Keys, Displays and Indicators...

  • Page 8: Operation Of The Keypad

    1.3 Operation of the Keypad value that has been selected in the SETTINGS, CALIBRATE, and CONFIGURATION Modes. The 8600 Series freezer has four basic modes Enter: Must press Enter key to save to memo- which allow freezer setup: Run, Settings, ry all changed values.

  • Page 9: Choosing The Location

    NOTE: On units having the optional 5 inner door option, refer to the instructions accompanying the inner door kit. d. RS-232 Communications The 8600 series freezer has a data communications interface. The factory default setting is RS-232. The wiring identification for the interface is shown in Figure 1-7.

  • Page 10: Remote Alarm Contacts And Analog Output

    Connecting the Unit to Electrical Power e. Remote Alarm Contacts and Analog Output The 8600 series freezer has remote alarm contacts and ana- log output. The remote alarm provides a NO (normally open) See the serial tag on the side of the unit for electrical specifi- output, a NC (normally closed) output and COM (common).

  • Page 11: Setting The High Temperature Alarm

    Model 8600 Series ____________________________________________________________Installation and Start-Up 2. Press the right arrow until “SET PT = -XX” is displayed in the message center. Note: The low alarm set point must be set at least 10°C from the control set point. 3. Press the up/down arrow key until the desired tempera- ture set point is displayed.
  • Page 12 Model 8600 Series ____________________________________________________________Installation and Start-Up 1 - 7...

  • Page 13: Section 2 - Calibrate

    Model 8600 Series _________________________________________________________________________Calibration Section 2 - Calibrate Temperature Stabilization Periods 2.1 Calibrate Mode Startup - Allow 12 hours for the temperature in the cabinet to Once the freezer has stabilized, the control or sample probe stabilize before proceeding. may need to be calibrated. Calibration frequency is dependent on use, ambient conditions and accuracy required.
  • Page 14 Model 8600 Series ________________________________________________________________________Calibration 2 - 2...

  • Page 15: Section 3 - Configuration

    Model 8600 Series ______________________________________________________________________Configuration Section 3 - Configuration cator will light. Press the Silence key and the alarm indicator will go off. The Low Battery light will stay on until a future battery test is performed and passed. 3.1 Configuration Mode The Configuration Mode is used for testing and custom d.

  • Page 16: Setting An Access Code

    Model 8600 Series ______________________________________________________________________Configuration g. Setting an Access Code i. Back Up System Type To set the Access Code: This function, which is only available on freezers with the 1. Press the Mode key until the Configuration indicator optional BUS (back up system), allows the user to select which lights.
  • Page 17 Model 8600 Series _______________________________________________________________________Configuration 3 - 3...
  • Page 18 Model 8600 Series _______________________________________________________________________Configuration 3 - 4...

  • Page 19: Section 4 - Alarms

    4.1 Alarms The Model 8600 Series freezer alarm system is shown in the table below. When an alarm is active, the message appears in the LED message center. Press the Silence key to disable the audible alarm for the ringback period. The visual alarm will continue until the freezer returns to a normal condition.

  • Page 20: Section 5 - Maintenance

    Model 8600 Series ______________________________________________________________________Maintenance Section 5 - Maintenance a. Cleaning the Water-cooled Condenser The water-cooled condenser can be cleaned-in-place by 5.1 Cleaning the Cabinet Exterior using the CIP procedure. Cleaning solutions can be used, depending on type of deposits or build-up to be removed.

  • Page 21: Cleaning The Door Gasket

    Model 8600 Series ______________________________________________________________________Maintenance 5.5 Cleaning the Door Gasket (minimum monthly*) Using a soft cloth, remove any frost build-up from the gas- ket and door(s). The clean gasket alarm occurs every three months as a reminder to remove frost build-up from the gasket and doors.

  • Page 22: Preventive Maintenance

    • Always make certain the vacuum relief port is free of frost and ice, to allow for timely re-entry into the freezer after a door opening. •Millcreek Road, Box 649 •Marietta, Ohio 45750 USA •740-373-4763 •USA and Canada 888-213-1790 •Telefax: 740-373-4189 •email: service@thermoforma.com 5 - 3...
  • Page 23 Model 8600 Series ________________________________________________________________________________________________________________Maintenance Preventive Maintenance for 8600 Series Freezers Refer to Manual Section Action Monthly Yearly Every 2 Years Verify ambient temperature, <90°F * Adjust door handle for firm latching, as needed Figure 1-4 for probe location Check and clean probe cover, vacuum relief port, gaskets, 5.5, 5.6...

  • Page 24: Section 6 - Factory Options

    Model 8600 Series ________________________________________________________________________Factory Options Section 6 - Factory Installed Options The BUS operates on an internal 12-volt, rechargeable bat- tery which is kept charged during normal operation by the inte- gral battery charger. 6.1 BUS - Back Up System (195875, 195877) a.

  • Page 25: Installing The Temperature Probe

    Model 8600 Series ________________________________________________________________________Factory Options 6. Remove the two Phillips head screws securing the metal 16. Connect power to the freezer. Leave the back-up battery bracket on the vent stack assembly. switch at the OFF position. Turn the freezer on. The Inject light on the BUS control panel will illuminate but 7.

  • Page 26: Bus Control Panel

    Model 8600 Series ____________________________________________________________________Factory Options Figure 6-6 d. BUS Control Panel (see figure 6-6) The BUS set point must not be any colder than WARNING! When activated, this unit injects liq- the high temperature alarm set point. (See section uid nitrogen or carbon dioxide. Liquid Nitrogen 1.6.b).

  • Page 27: Chart Recorder

    Model 8600 Series ____________________________________________________________________Factory Options Figure 6-7 Recorder Details 6.2 Chart Recorder Program From a. Installing the chart paper 30°C 60°C 1. Open the glass door of the recorder and press button #3 until -100 38°C the pen begins to move outward.

  • Page 28: Datalogger

    Model 8600 Series ____________________________________________________________________Factory Options 6.3 Datalogger Thermo Forma dataloggers and ELPRO evaluation software provide monitoring and documentation of temperature and alarm conditions. The dataloggers have a memory capacity of 64,000 measured values or data points. Temperature is measured, stored and displayed.
  • Page 29 Specifications - Single Door Units Model 8602 8603 8604 8605 8606 8607 8627 Temperature -50°C (-58°F) to -86°C (-123°F) in an 18C to 32C* (64.4F to 89.6F) ambient Range Exterior 33.3”W x 77.8”Hx31.0” 33.3”W x 77.8”Hx31.0” 33.3”W x 77.8”Hx37.0” 33.3”W x 77.8”Hx37.0” 40.8”W x 77.8”Hx37.0”...

  • Page 30: Section 7 - Specifications

    Model 8600 Series _____________________________________________________________________Specifications Certifications Refer to the Declaration of Conformity at the back of this manual Safety Specifications Indoor Use Only Altitude - 2,000 meters Temperature - 5°C to 40°C Humidity - 80% RH at or below 31°C, decreasing linearly to 50% RH at 40°C Mains Supply Fluctuations - Mains supply voltage fluctuations not to exceed ±10% of the nominal voltage...
  • Page 31 Model 8600 Series _______________________________________________________________________________Parts 8 - 1...
  • Page 32 Model 8600 Series _______________________________________________________________________________Parts 8 - 2...
  • Page 33 Model 8600 Series _______________________________________________________________________________Parts 8 - 3...
  • Page 34 Model 8600 Series _______________________________________________________________________________Parts 8 - 4...
  • Page 35 8 - 5...
  • Page 36 Model 8600 Series _______________________________________________________________________________Parts 8 - 6...
  • Page 37 Model 8600 Series _______________________________________________________________________________Parts 8 - 7...
  • Page 38 Model 8600 Series _______________________________________________________________________________Parts 8 - 8...
  • Page 39 Model 8600 Series _______________________________________________________________________________Parts 8 - 9...
  • Page 42 Model 8600 Series _______________________________________________________________________________Parts 8 - 12...
  • Page 43 Model 8600 Series _______________________________________________________________________________Parts 8 - 13...
  • Page 44 Model 8600 Series _______________________________________________________________________________Parts 8 - 14...
  • Page 45 Model 8600 Series _______________________________________________________________________________Parts 8 - 15...
  • Page 46 Model 8600 Series _______________________________________________________________________________Parts 8 - 16...
  • Page 54 Model 8600 Series ______________________________________________________________________Electrical Schematics 10 -1...
  • Page 55 Model 8600 Series ______________________________________________________________________Electrical Schematics 10 -2...
  • Page 56 Model 8600 Series ______________________________________________________________________Electrical Schematics 10 -3...
  • Page 57 Model 8600 Series ______________________________________________________________________Electrical Schematics 10 -4...
  • Page 58 Model 8600 Series ______________________________________________________________________Electrical Schematics 10 -5...
  • Page 59 Model 8600 Series ______________________________________________________________________Electrical Schematics 10 -6...

  • Page 60: Appendix A - Handling Liquid Nitrogen

    Model 8600 Series _____________________________________________________________________________Appendix A Appendix A Handling Liquid Nitrogen Contact of liquid nitrogen or cold gas with the skin or eyes may cause serious freezing (frostbite) injury. Handle liquid nitrogen carefully. The extremely low temperature can freeze human flesh very rapidly. When spilled on a surface the liquid tends to cover it com- pletely and intimately, cooling a large area.
  • Page 61 Model 8600 Series _____________________________________________________________________________Appendix A Introduction The safe handling and use of liquid nitrogen in cryogenic refrigerators and dewar flasks is largely a matter of knowing the potential hazards and using common-sense procedures based on that knowledge. There are two important properties of liquid nitro- gen that present potential hazards: 1.

  • Page 62: Appendix B - Handling Liquid Co

    Model 8600 Series _____________________________________________________________________________Appendix B Appendix B Handling Liquid Co High concentrations of CO gas can cause asphyxiation! OSHA Standards specify that employee exposure to carbon dioxide in any eight-hour shift of a 40-hour work week shall not exceed the eight-hour time weighted average of 5000 PPM (0.5% CO...

  • Page 63: First Aid

    Model 8600 Series _____________________________________________________________________________Appendix C First Aid If a person seems to become dizzy or loses consciousness while working with liquid nitrogen or carbon dioxide, move to a well- ventilated area immediately. If breathing has stopped, apply artificial respiration. If breathing is difficult, give oxygen. Call a physician.
  • Page 64 Thermo Forma Millcreek Road, P.O. Box 649 Marietta, Ohio 45750 U.S.A. Telephone (740) 373-4763 Telefax (740) 373-4189...

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