Thermo Scientific 902 Operating And Maintenance Manual
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Thermo Scientific 902 Operating And Maintenance Manual

Forma 900 series 86c ult upright freezer
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Forma Model 900 Series
-86C ULT Upright Freezer
Operating and Maintenance Manual 7090902 Rev. 17
Visit us online to register your warranty
www.thermoscientific.com/labwarranty

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Summary of Contents for Thermo Scientific 902

  • Page 1 Forma Model 900 Series -86C ULT Upright Freezer Operating and Maintenance Manual 7090902 Rev. 17 Visit us online to register your warranty www.thermoscientific.com/labwarranty...
  • Page 2 Added Door operation info (1-6) 31514 8/25/17 Updated 195964 High/Low temp stage drawings 41370 8/14/17 Updated BUS board information 41159/41348 5/12/17 Corrected oerational temp range and D-volt rating 41346/41347 5/12/17 Removed SS and AS400 model numbers Thermo Scientific Model 900 and 5900 Series...
  • Page 3 Registration: This medical application is considered a Class I medical device by the FDA. This product is classified as product code – JRM, regulation number 862.2050 and is considered a Class 1 device, 510(K) exempt. ©2014 Thermo Fisher Scientific. All rights reserved. Model 900 and 5900 Series Thermo Scientific...
  • Page 4 Always use the proper protective equipment (clothing, gloves, goggles, etc.) 4 Always dissipate extreme cold or heat and wear protective clothing. 4 Always follow good hygiene practices. 4 Each individual is responsible for his or her own safety. Thermo Scientific Model 900 and 5900 Series...
  • Page 5 We can also provide you with a quotation on our Extended Warranty for your Thermo Scientific products. Whatever Thermo Scientific products you need or use, we will be happy to discuss your applications. If you are experiencing technical problems, working together, we will help you locate the problem and, chances are, correct it yourself...over the telephone without a service...

  • Page 6: Table Of Contents

    Defrost Chamber ........4-3 Thermo Scientific...
  • Page 7 First Aid ........... C - 1 Model 900 and 5900 Series Thermo Scientific...

  • Page 8: Installation And Start-Up

    System Controls Temperature Recorder (Optional) Figure 1-1. Freezer Front View Components • Control panel - keypad, displays and indicators • BUS (Optional Back Up System) control panel • Optional temperature recorder or datalogger Thermo Scientific Model 900 and 5900 Series...
  • Page 9 Power switch (mains disconnect) Shelf Bracket Optional Miscellaneous Accessories Probe Optional - Recorder Probe/Datalogger Probe Sealant Control RTD/Redundant Type T (Caution: This is a critical seal. Thermocouple Probe Seal must be maintained.) Figure 1-3. Chamber Probe(s) Model 900 and 5900 Series Thermo Scientific...
  • Page 10 Freezer battery and optional BUS battery Figure 1-5. Battery(s) location and switch • Battery mounting bracket(s) • Battery power switch (freezer and BUS) • Freezer battery • Optional BUS battery • Freezer filter location Thermo Scientific Model 900 and 5900 Series...

  • Page 11: Control Panel Keys, Displays, Indicators

    Silence - Silences the audible alarm. See Section 4 for alarm ringback times. • Alarm Panel - indicates the current alarm condition. • Up and Down Arrows - Increases or decreases values, toggles between choices. • Enter - Stores the value into memory Model 900 and 5900 Series Thermo Scientific...

  • Page 12: Operation Of The Keypad

    Locate the freezer on a firm, level surface in an area with an ambient temperature between 18°C and 32°C. Provide ample room to reach the mains disconnect switch (power switch) located on the rear of the freezer. Thermo Scientific Model 900 and 5900 Series...

  • Page 13: Door Operation

    The freezer transmits temperature information every 60 minutes. A standard DB9 serial extension cable can be used to connect the freezer to a serial device. Some serial devices may require a null modem adapter. Model 900 and 5900 Series Thermo Scientific...

  • Page 14: Remote Alarm Contacts

    The remote alarm provides a NO (normally open) output, a NC normally closed) output and COM (common). The contacts will trip on a Figure 1-8. Remote Alarm Contacts Thermo Scientific Model 900 and 5900 Series...

  • Page 15: Attach Power Cord

    Run mode is the default mode for the freezer. This mode displays the cabinet temperature on the temperature display under normal operating conditions. In addition, the Run mode allows display of the high stage heat exchange temperature. Model 900 and 5900 Series Thermo Scientific...

  • Page 16: Freezer Start-Up

    Note If the set point is changed and the low temperature and high temperature alarms are set 10° from the set point, the alarm set points will be adjusted automatically to maintain a distance of at least 10° from set point. Thermo Scientific Model 900 and 5900 Series...

  • Page 17: Set High Temperature Alarm

    If no control keys are pressed, the freezer will automatically return to RUN mode after 5 minutes. Note The low alarm set point must be set at least 5°C from the control set point. 1-10 Model 900 and 5900 Series Thermo Scientific...

  • Page 18: Calibrate

    During calibration, the temperature display will not be available. If no keys are pressed for approximately five minutes while in calibration mode, the system will reset to Run mode. Thermo Scientific Model 900 and 5900 Series...

  • Page 19: Alarms

    0 min. 15 min. Micro Board Failure 0 min. 15 min. All alarm delays and ringback times are ±30 seconds. * The automatic battery test runs immediately on power-up, then every 8 hours thereafter. Thermo Scientific Model 900 and 5900 Series...

  • Page 20: High Stage System Failure

    If an error is detected with the condenser probe, there is no impact on the performance of the freezer; however, the hot condenser alarm may also occur. Contact the Technical Services department or your local distributor. Model 900 and 5900 Series Thermo Scientific...
  • Page 21 Description: This condition indicates that the heat exchange sensor has failed to produce a valid reading for >12 consecutive Er03 reads (~60 seconds). Response: The display will show “Er03” only when the button sequence to read the heat exchange sensor is depressed. Thermo Scientific Model 900 and 5900 Series...
  • Page 22 Description: Communication between the micro board and the display board has been lost. Under this condition, the visual ---- in display alarm flashes along with dashes in the temperature display (----). Contact Technical Services. Model 900 and 5900 Series Thermo Scientific...

  • Page 23: Maintenance

    1. Open the front lower door by grasping the bottom left corner. 2. Using a vacuum cleaner, exercising care to not damage the condenser fins, clean the condenser. Depending upon environmental conditions, the condenser may need to be cleaned more frequently. Thermo Scientific Model 900 and 5900 Series...

  • Page 24: Clean Water-Cooled Condenser

    Thermocouple disconnect the power interconnect jack cord connector before proceeding with any Battery mounting maintenance. bracket Freezer battery and optional BUS battery Figure 4-2. Battery Power Switch Model 900 and 5900 Series Thermo Scientific...

  • Page 25: Long Term Storage With Water-Cooled Condenser

    Rinse thoroughly with clean water and dry with a soft cloth. 8. Plug unit in and turn power switch on. 9. Turn the battery power switch to Standby mode ( ). 10. Allow the freezer to operate empty overnight before reloading the product. Thermo Scientific Model 900 and 5900 Series...

  • Page 26: Clean Door Gasket

    The vacuum relief port may need to be cleaned more often with frequent door openings and high humidity environments. Model 900 and 5900 Series Thermo Scientific...

  • Page 27: Check Battery(S)

    Thermo. Refer to the parts list for stock number and description of the replacement batteries. Dispose of the used batteries in a safe manner and in accordance with good environmental practices. Thermo Scientific Model 900 and 5900 Series...

  • Page 28: Preventive Maintenance

    Locate the freezer away from drafts or heating/cooling vents • Keep the number of door openings to a minimum • Minimize the length of time door is open • Make sure door latches securely after opening Model 900 and 5900 Series Thermo Scientific...

  • Page 29: Factory Installed Options

    5. Remove the two Phillips head screws securing the metal bracket on the vent stack assembly. 6. Install the vent stack through the opening and secure it to the top of the freezer, using screws. Thermo Scientific Model 900 and 5900 Series...
  • Page 30 Section 5 Factory Installed Options Install Vent Stack, Solenoid and Injection (continued) Figure 5-1. Injection Assembly Figure 5-2. Vent Stack Assembly Model 900 and 5900 Series Thermo Scientific...

  • Page 31: Install Temperature Probe

    Mount the bracket. Figure 5-4 shows the Back-Up probe mounted on the interior left side wall of the freezer. Figure 5-4. Mounted probe clip Thermo Scientific Model 900 and 5900 Series...

  • Page 32: Connect Probe/Solenoid Harness

    3 ways; BUS timeout arming, both sensors fail and BUS temperature sensor arming. At power-on, the BUS will perform a Hold-off period check. The BUS will not inject the refrigerant for a Hold-off period, calculated as follows: Model 900 and 5900 Series Thermo Scientific...

  • Page 33: Bus Control Panel

    • Solenoid Engaged: Illuminates any time the controller is activating the solenoid. Illumination will only occur when the controller senses the solenoid is active and calling for injection. Thermo Scientific Model 900 and 5900 Series...
  • Page 34 This does not imply that the BUS error-checked the values, other than that the value received was within the range of the BUS working correctly with prior programming. Note Solenoid will not engage if door is open. Model 900 and 5900 Series Thermo Scientific...

  • Page 35: Configure Optional Bus (Back-Up System)

    3. Press Enter to save the setting. 4. Press the Mode key until the Run indicator lights for Run mode If no control keys are pressed, the freezer will automatically return to to RUN mode after 5 minutes. Thermo Scientific Model 900 and 5900 Series...

  • Page 36: Set Optional Bus Set Point

    If ice build-up has occurred, a complete defrost may occasionally be required. See Section 4 for freezer defrost instructions. Model 900 and 5900 Series Thermo Scientific...

  • Page 37: Disconnect Fitting Asm. And Transfer Hose

    To change the recorder range: 1. Press and hold button #3 for one second, then let the pen move off the chart paper. 2. Press and hold for five seconds either button #1 or button #2. Thermo Scientific Model 900 and 5900 Series...

  • Page 38: Recorder Calibration

    Not to exceed 90 psi (620.5 kpa) Water Temperature Range Not to exceed 29.4°C (85°F) Inlet Connection 1/2” NPT Outlet Connection 1/2” NPT Flow Rate Required (minimum) 1.0 gallons (3.8 liters) per minute 5-10 Model 900 and 5900 Series Thermo Scientific...
  • Page 39 Values higher than minimum are acceptable. Do not adjust the valve inside the deck of the freezer. It is pre-set at the factory. Thermo Scientific Model 900 and 5900 Series 5-11...

  • Page 40: Water Connections

    3. Make sure the water line is clear of blockage or debris. 4. Connect the incoming water supply line to the WATER INLET fitting. 5. Connect the water return/drain line to the WATER OUTLET fitting. 6. Adjust to specified operating standards (pressures, temperature). 5-12 Model 900 and 5900 Series Thermo Scientific...

  • Page 41: Five Inner Door Option

    189407 [23 cu ft], 195652 [28 cu ft]) is factory installed. The freezer is Option converted to accommodate four adjustable specimen shelves with the fifth “shelf” as the bottom of the freezer chamber. 5-13 Model 900 and 5900 Series Thermo Scientific...

  • Page 42: Specifications

    20 Amp, Dedicated Circuit, 15 Amp, Dedicated Circuit, 15 Amp, Dedicated Circuit, Breaker Requirements 20 Amp Time Delay Breaker 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker Shipping Weight 763 lbs. ( 346 kg) Thermo Scientific Model 900 and 5900 Series...
  • Page 43 20 Amp, Dedicated Circuit, 15 Amp, Dedicated Circuit, 15 Amp, Dedicated Circuit, Breaker Requirements 20 Amp Time Delay Breaker 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker Shipping Weight 900 lbs. (408 kg) Model 900 and 5900 Series Thermo Scientific...

  • Page 44: Double Door Units

    20 Amp, Dedicated Circuit, 15 Amp, Dedicated Circuit, 15 Amp, Dedicated Circuit, Breaker Requirements 20 Amp Time Delay Breaker 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker Shipping Weight 763 lbs. (346 kg) Thermo Scientific Model 900 and 5900 Series...
  • Page 45 Pollution degree describes the amount of conductive pollution present in the operating environment. Pollution degree 2 assumes that normally only non-conductive pollution such as dust occurs with the exception of occasional conductivity caused by condensation. Model 900 and 5900 Series Thermo Scientific...
  • Page 46 Section 7 Parts UPRIGHT FREEZER ASSEMBLY 902-201-1-B REV 3 PAGE 1 OF 2 Thermo Scientific Model 900 and 5900 Series...
  • Page 47 Section 7 Parts UPRIGHT FREEZER ASSEMBLY 902-201-1-B REV 3 PAGE 2 OF 2 Model 900 and 5900 Series Thermo Scientific...
  • Page 48 Section 7 Parts Exploded Drawing Model: 900 and 5900 Series UR Freezer Assembly 991-200-2-D Rev. 3 Page 1 of 2 Thermo Scientific Model 900 and 5900 Series...
  • Page 49 Section 7 Parts Exploded Drawing Model: 900 and 5900 Series UR Freezer Assembly 991-200-2-D Rev. 3 Page 2 of 2 Model 900 and 5900 Series Thermo Scientific...
  • Page 50 Section 7 Parts 900 Single Door BOM Assembly 902-201-1-B Rev. 8 (F - TS -86) Page 1 of 2 Thermo Scientific Model 900 and 5900 Series...
  • Page 51 Section 7 Parts 900 Single Door BOM Assembly 902-201-1-B Rev. 8 (F - TS -86) Page 2 of 2 Model 900 and 5900 Series Thermo Scientific...
  • Page 52 Section 7 Parts 900 Double Door BOM Assembly 902-202-1-B Rev. 9 Page 1 of 2 Thermo Scientific Model 900 and 5900 Series...
  • Page 53 Section 7 Parts 900 Double Door BOM Assembly 902-202-1-B Rev. 9 Page 2 of 2 Model 900 and 5900 Series Thermo Scientific...
  • Page 54 Section 7 Parts Thermo Scientific Model 900 and 5900 Series...
  • Page 55 Section 7 Parts 7-10 Model 900 and 5900 Series Thermo Scientific...
  • Page 56 Section 7 Parts 902-204-1-B Rev. 2 230V RELAY ENCLOSURE ASSEMBLY Page 1 of 2 Thermo Scientific Model 900 and 5900 Series 7-11...
  • Page 57 Section 7 Parts 230V RELAY ENCLOSURE ASSEMBLY 902-204-1-B Rev. 2 Page 2 of 2 7-12 Model 900 and 5900 Series Thermo Scientific...
  • Page 58 Section 7 Parts Exploded Drawing 120V Relay Enclosure - Freezers 902-204-2-B Rev. 1 Page 1 of 2 Thermo Scientific Model 900 and 5900 Series 7-13...
  • Page 59 Section 7 Parts Exploded Drawing 120V Relay Enclosure - Freezers 902-204-2-B Rev. 1 Page 2 of 2 7-14 Model 900 and 5900 Series Thermo Scientific...
  • Page 60 Section 7 Parts Upright Freezer Start Component 120230-01-2-D Rev 9 Enclosure Assembly Page 1 of 2 Thermo Scientific Model 900 and 5900 Series 7-15...
  • Page 61 Section 7 Parts Upright Freezer Start Component 120230-01-2-D Rev 9 Enclosure Assembly Page 2 of 2 7-16 Model 900 and 5900 Series Thermo Scientific...
  • Page 62 Section 7 Parts Exploded Drawing Heat Exchanger Upright Freezer 902-205-1-B Rev. 0 Page 1 of 1 Thermo Scientific Model 900 and 5900 Series 7-17...

  • Page 63: Refrigeration Schematics

    Section 8 Refrigeration Schematics Thermo Scientific Model 900 and 5900 Series...
  • Page 64 Section 8 Refrigeration Schematics Model 900 and 5900 Series Thermo Scientific...
  • Page 65 Section 8 Refrigeration Schematics Thermo Scientific Model 900 and 5900 Series...
  • Page 66 Section 8 Refrigeration Schematics Model 900 and 5900 Series Thermo Scientific...
  • Page 67 Section 8 Refrigeration Schematics Thermo Scientific Model 900 and 5900 Series...
  • Page 68 Section 8 Refrigeration Schematics Model 900 and 5900 Series Thermo Scientific...
  • Page 69 Section 8 Refrigeration Schematics Thermo Scientific Model 900 and 5900 Series...
  • Page 70 Section 8 Refrigeration Schematics Model 900 and 5900 Series Thermo Scientific...

  • Page 71: Electrical Schematics

    Section 9 Electrical Schematics Thermo Scientific Model 900 and 5900 Series...
  • Page 72 Section 9 Electrical Schematics Model 900 and 5900 Series Thermo Scientific...
  • Page 73 Section 9 Electrical Schematics Thermo Scientific Model 900 and 5900 Series...
  • Page 74 Section 9 Electrical Schematics Model 900 and 5900 Series Thermo Scientific...
  • Page 75 Section 9 Electrical Schematics Thermo Scientific Model 900 and 5900 Series...
  • Page 76 Section 9 Electrical Schematics Model 900 and 5900 Series Thermo Scientific...

  • Page 77: Warranty

    Section 10 Warranty Information Thermo Scientific Model 900 and 5900 Series 10-1...
  • Page 78 Section 10 Warranty Information 10-2 Model 900 and 5900 Series Thermo Scientific...

  • Page 79: Handling Liquid Nitrogen

    When handling liquid in open containers, it is advisable to wear high-top shoes. Trousers (which should be cuffless if possible) should be worn outside the shoes. Thermo Scientific Model 900 and 5900 Series A -1...
  • Page 80 Check the unit periodically to be sure that venting is not restricted by accumulated ice or frost. A -2 Model 900 and 5900 Series Thermo Scientific...
  • Page 81 Disposal of liquid nitrogen should be done outdoors in a safe place. Pour the liquid slowly on gravel or bare earth where it can evaporate without causing damage. Do not pour the liquid on pavement. Thermo Scientific Model 900 and 5900 Series A -3...

  • Page 82: Handling Liquid Co

    Disposal of liquid CO should be done outdoors in a safe place. Pour the liquid slowly on gravel or bare earth where it can evaporate without causing damage. Do not pour the liquid on pavement. Model 900 and 5900 Series Thermo Scientific...

  • Page 83: First Aid

    108° F. Under no circumstance should the water be over 112° F, nor should the frozen part be rubbed either before or after rewarming. The patient should neither smoke nor drink alcohol. Thermo Scientific Model 900 and 5900 Series...
  • Page 84 thermoscientific.com © 2014 Thermo Fisher Scientific Inc. All rights reserved. All trademarks are the property of Thermo Fisher Scientific and its subsidiaries. Specifications, terms and pricing are subject to change. Not all products are available in all countries. Please consult your local sales representative for details. Thermo Fisher Scientific (Asheville) LLC 401 Millcreek Road Marietta, Ohio 45750...

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