Thermo Scientific Revco ExF Operating Manual
Thermo Scientific Revco ExF Operating Manual

Thermo Scientific Revco ExF Operating Manual

-86c ult upright freezer
Hide thumbs Also See for Revco ExF:

Advertisement

Quick Links

Thermo Scientific
Revco
®
ExF -86C ULT Upright Freezer
Operating Manual 7048920 Rev. 5
Visit us online to register your warranty
www.thermoscientific.com/labwarranty

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Revco ExF and is the answer not in the manual?

Questions and answers

Summary of Contents for Thermo Scientific Revco ExF

  • Page 1 Thermo Scientific Revco ® ExF -86C ULT Upright Freezer Operating Manual 7048920 Rev. 5 Visit us online to register your warranty www.thermoscientific.com/labwarranty...
  • Page 2 RoHS overlay part number - expl dwgs, pgs 7-4, 7-5, 7-8, 7-9 31013/FR-2673 6/18/14 RoHS compliant washer on oil separator (expl base dwg, refrig schematics) 30948 4/25/14 Updated 902 elec schematic to show correct compressors 30814/FR-2603 3/24/14 Release 10 - hinges and mullion (pg 7-6, 7-7) Thermo Scientific Revco ExF...
  • 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. Revco ExF Thermo Scientific...
  • Page 4 European Country, and this product should be disposed of or recycled through them. Further information on Thermo’s compliance with this directive, the recyclers in your country and information on Thermo Scientific products will be available at www.thermofisher.com. Always use the proper protective equipment (clothing, gloves, goggles, etc.) 4 Always dissipate extreme cold or heat and wear protective clothing.
  • 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

    Replace Battery(s) ........4-6 PREVENTIVE MAINTENANCE ......4-7 Thermo Scientific Revco ExF...
  • Page 7 First Aid ...........C - 1 Revco ExF...
  • Page 8: Installation And Start-Up

    Optional Back 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 Revco ExF...
  • 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) Revco ExF Thermo Scientific...
  • Page 10 Battery mounting bracket 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 Revco ExF...
  • 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 Revco ExF Thermo Scientific...
  • Page 12: Operation Of The Keypad

    Section 1 Installation and Start-Up Operation of the Revco ExF freezer has five basic modes which allow freezer setup and operation. Press the Mode key to scroll through the mode selections. Keypad Up Arrow: Increases or toggles the parameter value.
  • Page 13: Install Wall Bumpers

    Parity .......none The data transfer sequence is transmitted in the following format. X refers to numerical temperature data. (NUL) (-) XXX (SP) C (SP) (Error Message) (SP) (LF) (CR) (EOT) (SP) Revco ExF Thermo Scientific...
  • Page 14: Remote Alarm Contacts

    They will monitoring, should on-board system fail. also trip on high stage, control probe or microboard failures. Figure 1-8 shows the remote contacts in alarm state. Figure 1-8. Remote Alarm Contacts Thermo Scientific Revco ExF...
  • Page 15: Attach Power Cord

    The following set points can be entered in Settings mode: Control temperature, high temperature alarm set point, low temperature alarm set point, and (optional) BUS set point. Default settings are shown in the table following. Revco ExF Thermo Scientific...
  • Page 16: Set Operating Temperature

    5 minutes if water is not connected and flowing on unit start-up. Refer to Section 5. Set Operating Revco ExF freezers have an operating temperature range of -50°C to -86°C, depending on ambient temperature. The freezer is shipped from the Temperature factory with a temperature set point of -80°C.
  • Page 17: Set High Temperature Alarm

    In addition, the Run mode allows display of the high stage heat exchange temperature. This information scrolls by pressing the up or down arrow keys. The display returns to the operating temperature in 10 seconds if no keys are pressed. 1-10 Revco ExF 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 Revco ExF...
  • Page 20: Alarms

    Alarms Section 3 The Revco ExF alarms are displayed on the freezer control panel. When an alarm is active, the indicator next to the alarm description will light and an audible alarm will sound. Press the Silence key to disable the audible alarm for the ringback period.
  • Page 21: High Stage System Failure

    15 minutes. Probe Failure Alarm The microprocessor in Revco ExF freezers continually scans all probes including the control probe, heat exchanger probe and condenser probe to ensure that they are operating properly. Should an error be detected, the "Probe Failure"...
  • Page 22 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 Revco ExF...
  • Page 23 (Four dashes) 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. Revco ExF Thermo Scientific...
  • Page 24: 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 Revco ExF...
  • Page 25: Clean Water-Cooled Condenser

    8. Add and circulate a passivating liquid for corrosion inhibition of plate surfaces. 9. Drain this liquid. 10. Rinse with fresh water and drain. 11. Reconnect the water supply and fill the unit. 12. Return to service. Revco ExF Thermo Scientific...
  • Page 26: Defrost Chamber

    The water-cooled condenser must be dry and sealed. If stored clean and dry, restoring to service only requires a new in-line strainer filter, proper installation and water flow balancing per Section 5, Water Cooled Condenser. Required: Cleaning solution, supply of dry air or N2 Thermo Scientific Revco ExF...
  • Page 27: Clean Door Gasket

    The unit is designed with a “vacuum relief port” that allows the pressure to be equalized. Revco ExF Thermo Scientific...
  • Page 28 Warning Failure to maintain the vacuum relief port may result in excessive ice build up inside the tube, clogging the port, and inability to open the door. The vacuum relief port may need to be cleaned more often with frequent door openings and high humidity environments. Thermo Scientific Revco ExF...
  • Page 29: Check Battery(S)

    2 years. Replacement batteries must be rechargeable and are available from 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. Revco ExF Thermo Scientific...
  • Page 30: 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 Thermo Scientific Revco ExF...
  • Page 32: 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 Revco ExF...
  • Page 33 Section 5 Factory Installed Options Install Vent Stack, Solenoid and Injection (continued) Figure 5-1. Injection Assembly Figure 5-2. Vent Stack Assembly Revco ExF Thermo Scientific...
  • Page 34: Install Temperature Probe

    3. Tap #8-32 the two pre-punched holes located on the interior left wall of the freezer. 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 Revco ExF...
  • Page 35: Connect Probe/Solenoid Harness

    (no injection occurs). This light stays on until the unit is below BUS setpoint. b. The Low Battery indicator may also illuminate. 5. Turn the battery switch to Standby mode ( ) to charge both batteries. Revco ExF Thermo Scientific...
  • Page 36: Bus Control Panel

    The solenoid engaged indicator should light. If the Low Battery indicator lights during the test, replace the BUS battery. Note Solenoid will not engage if door is open. Thermo Scientific Revco ExF...
  • Page 37: Configure Optional Bus (Back-Up System)

    (See Section 1 - “Setting the High Temperature Alarm). If the back-up system is installed with CO , then -65°C is the coldest BUS set point that can be used (if the cabinet set point is -75°C or colder). Revco ExF Thermo Scientific...
  • Page 38: Test Bus Operation

    3. Slowly disconnect the fitting assembly from the supply (in the event that any gas remains in the line). Chart Recorder The following section describes the set up and operation of the optional chart recorder. Figure 5-7. Recorder Details Thermo Scientific Revco ExF...
  • Page 39: Installing The Chart Paper

    Note The felt-tip pen on the recorder requires periodic replacement. The ink will appear to fade before replacement becomes necessary. Additional pen tips may be purchased from Thermo. Revco ExF Thermo Scientific...
  • Page 40: Water-Cooled Condenser

    Clearance: Before installing the water connections, position the freezer with an extra 2 inches (5cm) clearance in back for a hose. This is in addition to the 6 inches (15cm) clearance in back previously recommended in this manual. Thermo Scientific Revco ExF...
  • Page 41 Caution If Option B is used, the bypass valve MUST be closed prior to freezer operation to ensure all water passes through the freezer rather than the bypass. Failure to do this will result in damage to the freezer. Figure 5-8. Bypass Water Loop Options 5-10 Revco ExF Thermo Scientific...
  • Page 42: Water Connections

    Do not confuse the fan running with the compressor start-up. Caution Only authorized service personnel should turn the freezer on without water connected and flowing. Caution See Bypass Water Loop Assembly information, if required. Thermo Scientific Revco ExF 5-11...
  • Page 44: Specifications

    Operating Range: 208VAC-240VAC 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 830 lbs. (376kg) Thermo Scientific Revco ExF...
  • Page 45 ±10 Operating Range: 208VAC-240VAC Operating Range: 208VAC-240VAC 15 Amp Dedicated Circuit, 15 Amp Dedicated Circuit, Breaker Requirements 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker Shipping Weight 1090 lbs. (494kg) 1090lbs. (494kg) Revco ExF Thermo Scientific...
  • Page 46: Double Door Units

    Operating Range: 208VAC-230VAC Operating Range: 208VAC-240VAC 15 Amp, Dedicated Circuit, 15 Amp, Dedicated Circuit, Breaker Requirements 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker Shipping Weight 763 lbs. (346 kg) 900 lbs. (408 kg) Thermo Scientific Revco ExF...
  • Page 47 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. Revco ExF Thermo Scientific...
  • Page 48 Section 7 Parts Exploded Drawing Heat Exchanger Upright Freezer 902-205-1-B Rev. 0 Page 1 of 1 Thermo Scientific Revco ExF...
  • Page 49 Section 7 Parts Exploded Drawing Upright Freezer Cabinet Assembly 902-200-1-B Rev. 2 Page 1 of 2 Revco ExF Thermo Scientific...
  • Page 50 Section 7 Parts Exploded Drawing Upright Freezer Cabinet Assembly 902-200-1-B Rev. 2 Page 2 of 2 Thermo Scientific Revco ExF...
  • Page 51 Section 7 Parts Single Door BOM Assembly 8920-201-1-B Rev. 3 (R - H -86) Page 1 of 2 Revco ExF Thermo Scientific...
  • Page 52 Section 7 Parts Single Door BOM Assembly 8920-201-1-B Rev. 3 (R - H -86) Page 2 of 2 Thermo Scientific Revco ExF...
  • Page 53 Section 7 Parts Exploded Drawing Model: 900 and 5900 Series UR Freezer Assembly 991-200-2-D Rev. 3 Page 1 of 2 Revco ExF Thermo Scientific...
  • Page 54 Section 7 Parts Exploded Drawing Model: 900 and 5900 Series UR Freezer Assembly 991-200-2-D Rev. 3 Page 2 of 2 Thermo Scientific Revco ExF...
  • Page 55 Section 7 Parts 900 Double Door BOM Assembly 902-202-1-B Rev. 9 Page 1 of 2 Revco ExF Thermo Scientific...
  • Page 56 Section 7 Parts 900 Double Door BOM Assembly 902-202-1-B Rev. 9 Page 2 of 2 Thermo Scientific Revco ExF...
  • Page 57 Section 7 Parts 7-10 Revco ExF Thermo Scientific...
  • Page 58 Section 7 Parts Thermo Scientific Revco ExF 7-11...
  • Page 59 Section 7 Parts Exploded Drawing 230V Relay Enclosure - Freezers 902-204-1-B Rev 1 Page 1 of 2 7-12 Revco ExF Thermo Scientific...
  • Page 60 Section 7 Parts Exploded Drawing 230V Relay Enclosure - Freezers 902-204-1-B Rev 1 Page 2 of 2 Thermo Scientific Revco ExF 7-13...
  • Page 61 Section 7 Parts Exploded Drawing 120V Relay Enclosure - Freezers 902-204-2-B Rev. 1 Page 1 of 2 7-14 Revco ExF Thermo Scientific...
  • Page 62 Section 7 Parts Exploded Drawing 120V Relay Enclosure - Freezers 902-204-2-B Rev. 1 Page 2 of 2 Thermo Scientific Revco ExF 7-15...
  • Page 63 Section 7 Parts 7-16 Revco ExF Thermo Scientific...
  • Page 64 Section 7 Parts Thermo Scientific Revco ExF 7-17...
  • Page 66: Refrigeration Schematics

    Section 8 Refrigeration Schematics Thermo Scientific Revco ExF...
  • Page 67 Section 8 Refrigeration Schematics Revco ExF Thermo Scientific...
  • Page 68 Section 8 Refrigeration Schematics Thermo Scientific Revco ExF...
  • Page 69 Section 8 Refrigeration Schematics Revco ExF Thermo Scientific...
  • Page 70 Section 8 Refrigeration Schematics Thermo Scientific Revco ExF...
  • Page 71 Section 8 Refrigeration Schematics Revco ExF Thermo Scientific...
  • Page 72 Section 8 Refrigeration Schematics Thermo Scientific Revco ExF...
  • Page 73 Section 8 Refrigeration Schematics Revco ExF Thermo Scientific...
  • Page 74: Electrical Schematics

    Section 9 Electrical Schematics Thermo Scientific Revco ExF...
  • Page 75 Section 9 Electrical Schematics Revco ExF Thermo Scientific...
  • Page 76 Section 9 Electrical Schematics Thermo Scientific Revco ExF...
  • Page 77 Section 9 Electrical Schematics Electrical Schematic Model: ULT -86C 120V 60Hz Upright Freezers 903-70-2-D Rev. 6 Page 1 of 3 Revco ExF Thermo Scientific...
  • Page 78 Section 9 Electrical Schematics Electrical Schematic Model: ULT -86C 120V 60Hz Upright Freezers 903-70-2-D Rev. 6 Page 2 of 3 Thermo Scientific Revco ExF...
  • Page 79 Section 9 Electrical Schematics Electrical Schematic Model: ULT -86C 120V 60Hz Upright Freezers 903-70-2-D Rev. 6 Page 3 of 3 Revco ExF Thermo Scientific...
  • Page 80: Warranty

    Section 10 Warranty Information Thermo Scientific Revco ExF 10-1...
  • Page 81 Section 10 Warranty Information 10-2 Revco ExF Thermo Scientific...
  • Page 82: Appendix 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 Revco ExF A -1...
  • Page 83 Use only the loose- fitting necktube core supplied or one of the approved accessories for closing the necktube. Check the unit periodically to be sure that venting is not restricted by accumulated ice or frost. A -2 Revco ExF Thermo Scientific...
  • Page 84 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 Revco ExF A -3...
  • Page 85: 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. A -4 Revco ExF Thermo Scientific...
  • Page 86: 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 Revco ExF A -5...
  • Page 88 Thermo Fisher Scientific 401 Millcreek Road Marietta, Ohio 45750 United States www.thermofisher.com...

Table of Contents