Thermo Scientific HERAfreeze HFU Series Operating And Maintenance Manual
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Thermo Scientific HERAfreeze HFU Series Operating And Maintenance Manual

-40c and -86c ult chest freezer
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Thermo Scientific HERAfreeze
HFU Series -40C and -86C ULT Chest Freezer
Operating and Maintenance Manual 7028739 Rev. 4
Visit us online to register your warranty
www.thermoscientific.com/labwarranty

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Summary of Contents for Thermo Scientific HERAfreeze HFU Series

  • Page 1 Thermo Scientific HERAfreeze HFU Series -40C and -86C ULT Chest Freezer Operating and Maintenance Manual 7028739 Rev. 4 Visit us online to register your warranty www.thermoscientific.com/labwarranty...
  • Page 2 BUS information (preventive maintenance and BUS control panel and operation) 40286/FR-2805 7/1/15 New start relay - expl enclosure drawing and 8702 & 8722 elec schematics 31013/FR-2673 6/18/14 RoHS compliant washer on oil seprarator (expl base dwg, refrig schematics) 30369/FR-2548 9/23/13 Pressure changes on charging Thermo Scientific HFC Series...
  • Page 3 Thermo Fisher Scientific makes no representations or warranties with respect to this manual. In no event shall Thermo be held liable for any damages, direct or incidental, arising out of or related to the use of this manual. © 2013 Thermo Fisher Scientific. All rights reserved. HFC 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 HFC 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

    Cold Excursion .........3-4 Thermo Scientific...
  • Page 7 First Aid ........... . .A-5 HFC Series Thermo Scientific...

  • Page 8: Installation And Start-Up

    Key lock Control Panel Optional Back Up System Controls Optional Datalogger or Recorder Figure 1-1. Front View 3 cu ft Models Keylock EnviroScan Control Optional BUS Control Optional Recorder or Datalogger Figure 1-2. Front View Remaining Models Thermo Scientific HFC Series...
  • Page 9 Figure 1-3. Rear View 3 cu ft Models Optional BUS Connections Remote Alarm Contacts and Analog Output RS-232 or RS-485 Interface Power Switch (mains disconnect) Threaded holes for wall bumpers Power Inlet Access Port Figure 1-4. Rear View Remaining Models HFC Series Thermo Scientific...
  • Page 10 Battery Switch Figure 1-6. All Models Except 3 cu ft Thermo Scientific HFC Series...
  • Page 11 System battery Figure 1-8. 3 cu ft Models HFC Series Thermo Scientific...

  • Page 12: Control Panel Keys, Display, Indicators

    Enter - Stores the value into computer memory. Silence Temp Display Low Battery Visual Alarm Mode Indicator Indicator Hot Condenser Indicator Enter Scroll for Parameters Message Up and Down Arrows Center Arrows Figure 1-9. Control Panel Keys, Display and Indicators Thermo Scientific HFC Series...
  • Page 13 * HSHX Temperature BUS Battery Test System Set Point Display Temperature * Clear High Stage Alarm Set Access Code RS485 Address BUS type CO2 or LN2 Cold Excursion Warm Excursion Reset Excursion * -86C units only HFC Series Thermo Scientific...

  • Page 14: Install Freezer

    The freezer can be easily pushed to the desired approved location, as described previously. When the freezer is in position, set the front caster brakes. Note Do not move the freezer with the product load inside. Thermo Scientific HFC Series...

  • Page 15: Rs-232 Communications

    Stop bits ....... .2 Parity .......none HFC Series Thermo Scientific...

  • Page 16: Remote Alarm Contacts And Analog Output

    COM (common). The contacts will trip on a power outage, high temperature alarm or low temperature alarm. They will also trip on high stage (-86C units only), control probe and microboard failures. Figure 1-11 shows the remote contacts in alarm state. Thermo Scientific HFC Series...

  • Page 17: Connect Unit To Electrical Power

    36 hours to charge at initial start-up. A “Low Battery” alarm may occur until the batteries are fully charged. Should a power failure occur during the initial start-up period, the electronics will have limited operation. 1-10 HFC Series Thermo Scientific...

  • Page 18: Freezer Start-Up

    5. Press the Mode key until the Run indicator lights for Run mode or press the right/left arrow keys to go to next/previous parameter. If no control keys are pressed, the freezer will automatically return to RUN mode after 5 minutes. Thermo Scientific HFC Series 1-11...

  • Page 19: Set Low 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. 1-12 HFC Series Thermo Scientific...

  • Page 20: Access Code

    * HSHX TEMPERATURE (heat exchanger temperature); -86C units only This information is scrolled individually by pressing the right arrow key. In each case, the message center returns to SYSTEM OK in 10 seconds if no keys are pressed. Thermo Scientific HFC Series 1-13...
  • Page 21 Numbers decrease to previous parameter Numbers increase MODE Optional Press Enter BACKUP = -XX Back Up System to save setting Scroll for Parameters Set Point Press to return Numbers decrease to previous parameter 1-14 HFC Series Thermo Scientific...

  • Page 22: Calibrate

    Note 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 HFC Series...
  • Page 23 Scroll for Parameters Press to return Numbers decrease to previous parameter Numbers increase MODE Optional SAMPT = -XX.X Press Enter Sample Probe to save setting Scroll for Parameters Press to return Numbers decrease to previous parameter HFC Series Thermo Scientific...

  • Page 24: Configuration

    The temperature on the display will begin to decrease until the low alarm set point has been reached. The audible alarm will sound and the alarm indicator will flash. Press the Silence key to mute the alarm. Thermo Scientific HFC Series...

  • Page 25: Bus Battery Test

    Low Battery indicator will light. Press the Silence key. The audible alarm and alarm indicator will go off. The Low Battery light will stay on. If the test fails, it is recommended to replace the BUS battery. HFC Series Thermo Scientific...

  • Page 26: Set Access Code

    6. Press the Mode key until the Run indicator lights.A 3-digit Access Code can be entered to avoid unauthorized personnel from changing the set points, calibration, or configuration. A setting of 000 will bypass the access code. The factory setting is 000. Thermo Scientific HFC Series...

  • Page 27: Back Up System Type

    Cold Excursion This function displays the coldest temperature recorded by the control probe. Warm Excursion This function displays the warmest temperature recorded by the control probe. Reset Excursion This function resets the cold and warm excursions. HFC Series Thermo Scientific...
  • Page 28 SYS BAT TEST to initiate Scroll for Parameters test Press to return to previous parameter MODE Optional Press Enter BUS BAT TEST BUS Battery to initiate test Scroll for Parameters Test Press to return to previous parameter Thermo Scientific HFC Series...
  • Page 29 MODE Type CO2 BUS TYPE CO2 Optional Press Enter to Scroll for Parameters save the setting Back Up Press to return Type LN2 System Type to previous parameter HFC Series Thermo Scientific...
  • Page 30 MODE Press Enter to reset the cold RST EXCUR Reset and warm Scroll for Parameters Scroll for Parameters Excursions excursion values Press Mode to exit. Press right or left arrow to move to next digit. Thermo Scientific HFC Series...

  • Page 32: Alarms

    Micro Board Failure MICRO FAIL 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. ** -86C units only Thermo Scientific HFC Series...

  • Page 33: Lost Communication

    However, with this type of failure, freezer operation becomes undependable. Lost Communication Communication between the micro board and the display board has been lost. Under this condition, the visual alarm flashes along with dashes in the temperature display (----). Contact Technical Services. HFC Series Thermo Scientific...
  • Page 34 ErF1 .. Unit is 230V and the voltage detected is above the high limit (260VRMS) Erg1 .. Unit is 115V and the voltage detected is below the low limit (85VRMS) ErH1 .. Unit is 115V and the voltage detected is above the high limit (160VRMS) ErH1 “VAC > 160V” Thermo Scientific Ultima Plus...
  • Page 35 “Seven segment” display will show “Er07”. The -86C system will have 10 minute staging between the high stage compressor and the low stage compressor activation (-40C units will activate the compressor). The system will go to bottom out temperatures. Ultima Plus Thermo Scientific...
  • Page 36 Name: Lost Communication dashes) Description: Communication between the micro board and the display board has been lost. Under this con- ---- in dition, the visual alarm flashes along with dashes in thetemperature display (----). Contact Technical Services. display Thermo Scientific Ultima Plus...

  • Page 38: Maintenance

    1. Open the lower panel door by grasping the handle. See Figures 1-6 and 1-8. 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 HFC Series...

  • Page 39: Replace Battery(S)

    4. Remove the three nuts securing the battery bracket. See Figure 5-1. 5. Remove the bracket and old battery. Discard properly. Install the new battery and secure. 6. Reconnect the battery (red to positive and black to negative). HFC Series Thermo Scientific...

  • Page 40: Cu Ft Models

    Replacement batteries must be rechargeable and are available from Thermo. Refer to the parts list for stock number and description of the replacement batteries (P/N 400159). Dispose of the used batteries in a safe manner and in accordance with good environmental practices. Thermo Scientific HFC Series...

  • Page 41: Prepare Unit For Storage

    Turn Off the battery power switch (O). Turn Off the freezer power Storage switch. Note If the unit has been in service, turn it off and disconnect the power cord connector before proceeding with any maintenance. HFC Series Thermo Scientific...

  • Page 42: Preventive Maintenance

    * Clean condenser compartment and wipe off condenser. See “Clean Condenser” in Section 5. Recommended Maintenance *Back-up System - inject test & battery. See Section 6. * Qualified service technicians only ** Dispose of properly, according to all state and federal regulations. Thermo Scientific HFC Series...

  • Page 44: Factory Installed Options

    Note Cover open end of injection assembly with tape to keep insulation from entering the nipple. 2. Slide 3/8” flatwasher over open end of nipple. 3. Insert the covered end of the injection assembly through exterior hole. Thermo Scientific HFC Series...

  • Page 45: Install Temperature Probe

    (viewed from the side) of 12.7 and 20 cu. ft. models, and in the lower right corner (viewed from the back) of 3.0 cu. ft. models. probe wires Figure 6-3. Probe and Solenoid Connections HFC Series Thermo Scientific...
  • Page 46 Secure the back-up probe to the temperature probe using a small tie wrap (Figure 6-5). Figure 6-5. Probe location 6. Seal around the interior and exterior opening of the probe port with Permagum sealant. 7. Reinstall the probe cover (Figure 6-5). Thermo Scientific HFC Series...

  • Page 47: Bus Control Panel

    30 PSI maximum blow-off. Warning Carbon dioxide gas suppresses oxygen levels and may cause suffocation if area is not well ventilated. Refer to “Handling Liquid CO Appendix B of this manual. Figure 6-6. BUS Control Panel HFC Series Thermo Scientific...
  • Page 48 5. Press the Mode key until the Run indicator lights, or press the right or left arrow to go to the next or previous parameter. If no control keys are pressed, the freezer will automatically return to RUN mode after 5 minutes. Thermo Scientific HFC Series...

  • Page 49: Set Optional Bus Set Point

    3. Slowly disconnect the fitting assembly from the supply (in the event that any gas remains in the line). Chart Recorder 9-volt battery Program selection and calibration buttons Green LED Figure 6-7. Recorder Details HFC Series Thermo Scientific...

  • Page 50: Calibrate Chart Recorder

    1. Place an accurate thermometer in the chamber next to the recorder probe. 2. Temperature probes for the recorder are located in the left front corner of the freezer chamber (Figure 1-4). 3. After about three minutes, compare the thermometer reading with the chart recorder reading. Thermo Scientific HFC Series...
  • Page 51 Note The felt-tip pen on the recorder requires periodic replacement. Usually the ink will appear to fade before replacement becomes necessary. Additional pen tips may be purchased from Thermo. HFC Series Thermo Scientific...

  • Page 52: Specifications

    Operating Range: 108VAC-130VAC 15 Amp Dedicated Circuit, 15 Amp Dedicated Circuit, 20 Amp Dedicated Circuit, Breaker Requirements 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker 20 Amp Time Delay Breaker Shipping Weight 716 lbs. (325 kg) Thermo Scientific HFC Series...
  • Page 53 15 Amp Dedicated Circuit, 15 Amp Dedicated Circuit, 20 Amp Dedicated Circuit, Breaker Requirements 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker 20 Amp Time Delay Breaker Shipping Weight 833 lbs. ( 378 kg) HFC Series Thermo Scientific...
  • Page 54 Operating Range: 108VAC-130VAC 15 Amp Dedicated Circuit, 15 Amp Dedicated Circuit, 20 Amp Dedicated Circuit, Breaker Requirements 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker 20 Amp Time Delay Breaker Shipping Weight 716 lbs. (325 kg) Thermo Scientific HFC Series...
  • Page 55 Operating Range: 108VAC-130VAC 15 Amp Dedicated Circuit, 15 Amp Dedicated Circuit, 20 Amp Dedicated Circuit, Breaker Requirements 15 Amp Time Delay Breaker 15 Amp Time Delay Breaker 20 Amp Time Delay Breaker Shipping Weight 833 lbs. (378 kg) HFC Series Thermo Scientific...
  • Page 56 2500V for a 230V supply and 1500V for a 120V supply. 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. Thermo Scientific HFC Series...
  • Page 58 Section 8 Spare Parts Thermo Scientific HFC Series...
  • Page 59 Section 8 Spare Parts Exploded Drawing 3 cu ft Chest Freezer Heat Exchanger 8700-201-1-B Rev. 0 Page 1 of 1 HFC Series Thermo Scientific...
  • Page 60 Section 8 Spare Parts Exploded Drawing Model: 3 cu ft Chest Freezer Lid (F -TS) 8700-200-1-B Rev. 1 Page 1 of 2 Thermo Scientific HFC Series...
  • Page 61 Section 8 Spare Parts Exploded Drawing Model: 3 cu ft Chest Freezer Lid (F -TS) 8700-200-1-B Rev. 1 Page 2 of 2 HFC Series Thermo Scientific...
  • Page 62 Section 8 Spare Parts Exploded Drawing Model 3/6.7 cu ft Chest Freezer Cabinet Assy. (F - TS) 8700-200-2-B Rev. 1 Page 1 of 1 Thermo Scientific HFC Series...
  • Page 63 Section 8 Spare Parts 8704-200-3 Rev. 4 12.7 cu ft Chest Freezer Side Car (F - TS) Page 1 of 2 HFC Series Thermo Scientific...
  • Page 64 Section 8 Spare Parts 12.7 cu ft Chest Freezer Side Car (F - TS) 8704-200-3 Rev. 4 Page 2 of 2 Thermo Scientific HFC Series...
  • Page 65 Section 8 Spare Parts 902-204-1-B Rev. 2 230V RELAY ENCLOSURE ASSEMBLY Page 1 of 2 HFC Series Thermo Scientific...
  • Page 66 Section 8 Spare Parts 230V RELAY ENCLOSURE ASSEMBLY 902-204-1-B Rev. 2 Page 2 of 2 Thermo Scientific HFC Series...
  • Page 67 Section 8 Spare Parts Exploded Drawing 120V Relay Enclosure - Freezers 902-204-2-B Rev. 1 Page 1 of 2 8-10 HFC Series Thermo Scientific...
  • Page 68 Section 8 Spare Parts Exploded Drawing 120V Relay Enclosure - Freezers 902-204-2-B Rev. 1 Page 2 of 2 Thermo Scientific HFC Series 8-11...
  • Page 69 Section 8 Spare Parts CHEST FREEZER START COMPONENT ENCLOSURE ASSEMBLY 120230-01-1-D Rev. 6 Page 1 of 2 8-12 HFC Series Thermo Scientific...
  • Page 70 Section 8 Spare Parts 120230-01-1-D Rev. 6 CHEST FREEZER START COMPONENT Page 2 of 2 ENCLOSURE ASSEMBLY Thermo Scientific HFC Series 8-13...

  • Page 72: Refrigeration Schematics

    Section 9 Refrigeration Schematics Thermo Scientific HFC Series...
  • Page 73 Section 9 Refrigeration Schematics HFC Series Thermo Scientific...
  • Page 74 Section 9 Refrigeration Schematics Thermo Scientific HFC Series...
  • Page 75 Section 9 Refrigeration Schematics HFC Series Thermo Scientific...
  • Page 76 Section 9 Refrigeration Schematics Thermo Scientific HFC Series...
  • Page 77 Section 9 Refrigeration Schematics HFC Series Thermo Scientific...

  • Page 78: Electrical Schematics

    Section 10 Electrical Schematics Thermo Scientific HFC Series 10-1...
  • Page 79 Section 10 Electrical Schematics 10-2 HFC Series Thermo Scientific...
  • Page 80 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-3...
  • Page 81 Section 10 Electrical Schematics 10-4 HFC Series Thermo Scientific...
  • Page 82 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-5...
  • Page 83 Section 10 Electrical Schematics 10-6 HFC Series Thermo Scientific...
  • Page 84 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-7...
  • Page 85 Section 10 Electrical Schematics 10-8 HFC Series Thermo Scientific...
  • Page 86 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-9...
  • Page 87 Section 10 Electrical Schematics 10-10 HFC Series Thermo Scientific...
  • Page 88 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-11...
  • Page 89 Section 10 Electrical Schematics 10-12 HFC Series Thermo Scientific...
  • Page 90 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-13...
  • Page 91 Section 10 Electrical Schematics 10-14 HFC Series Thermo Scientific...
  • Page 92 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-15...
  • Page 93 Section 10 Electrical Schematics 10-16 HFC Series Thermo Scientific...
  • Page 94 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-17...
  • Page 95 Section 10 Electrical Schematics 10-18 HFC Series Thermo Scientific...
  • Page 96 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-19...
  • Page 97 Section 10 Electrical Schematics 10-20 HFC Series Thermo Scientific...
  • Page 98 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-21...
  • Page 99 Section 10 Electrical Schematics 10-22 HFC Series Thermo Scientific...
  • Page 100 Section 10 Electrical Schematics Thermo Scientific HFC Series 10-23...
  • Page 101 Section 10 Electrical Schematics 10-24 HFC Series Thermo Scientific...

  • Page 102: Warranty Information

    Section 11 Warranty Information Thermo Scientific HFC Series 11-1...
  • Page 103 Section 11 Warranty Information 11-2 HFC Series Thermo Scientific...

  • Page 104: 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 HFC Series A -1...
  • Page 105 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 HFC Series Thermo Scientific...
  • Page 106 Disposal of liquid nitrogen should be performed 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 HFC Series A -3...

  • Page 107: Handling Liquid Co2

    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 HFC Series Thermo Scientific...

  • Page 108: 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 HFC Series A -5...
  • Page 110 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.

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