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Summary of Contents for Thermo Scientific Cryo 740 Series
- Page 1 Model 740 Series Cryo Series Liquid Nitrogen Storage System Operating and Maintenance Manual 7000740 Rev. 8...
- Page 2 2043/FR-1620 6/17/02 Added lid strap info, Section 1.4 16746/SI-8022 10/16/00 Software change on cryo controller board FR740-05 19496/FR-1440 9/7/00 Revise power cord attachment instructions 18966/FR-1362 3/8/00 Chg probe removal procedure ECR/ECN DATE DESCRIPTION Thermo Scientific Thermo Scientific 7000740r7 Cryo Series...
- Page 3 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 held liable for any damages, direct or incidental, arising out of or related to the use of this manual.
- Page 4 This product is required to comply with the European Union’s Waste Electrical & Electronic Equipment (WEEE) Directive 2002/96/EC. It is marked with the WEEE symbol. Thermo Scientific has contracted with one or more recycling/disposal companies in each EU Member State European Country, and this product should be disposed of or recycled through them.
- 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...
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Page 6: Table Of Contents
Defrosting the Storage Tank ....... .3-3 Thermo Scientific 7000740r7 Cryo Series... - Page 7 First Aid ..........9-4 7000740r7 Cryo Series Thermo Scientific...
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Page 8: Quick Start-Up
Altitude: < 2,000 meters (6,650 feet) Warning Whenever working with liquid nitrogen storage equipment in a closed environment, the use of personal O detection devices is strongly recommended. Refer to "Handling Liquid Nitrogen" in the appendix of this manual. ▲ Thermo Scientific 7000740r7 Cryo Series... -
Page 9: Connect Ln Transfer Hose
2. Insert the power cord into the power outlet module. Tighten screw on the power cord retainer. 3. Position power cord/module Figure 1-2. Power Cord Assembly assembly into outlet on unit. Secure with screws on module. 7000740r7 Cryo Series Thermo Scientific... -
Page 11: Connect Lid Strap
Turning the power switch on resets the circuit breaker. If the circuit breaker trips again within a short time period, the unit should be checked by a qualified electrician. 7000740r7 Cryo Series Thermo Scientific... -
Page 12: Install Platform Riser
It is imperative that the positioning of the sleeve not block either the fill or liquid level tube orifices located at the bottom rear of the tank. Should blockage occur, it will cause filling and liquid level indicator problems. Thermo Scientific 7000740r7 Cryo Series... -
Page 13: Fill Unit
The contacts are activated after a thirty minute delay when the unit goes into low level alarm. The contacts are marked COM = Common, N.O. = Normally Open, N.C. = Normally Closed Figure 1-5. Contacts Thermo Scientific 7000740r7 Cryo Series... -
Page 14: Tank Switcher Plug-In
The actual liq- uid level will be approximately one inch lower than the frost line on the ruler. Caution Some shrinkage of the ruler may occur depending on the level of liquid nitrogen in the tank. ▲ Thermo Scientific 7000740r7 Cryo Series... - Page 15 . The Low Level alarm LED will go out. 7. Press the Manual Fill button. The solenoid LED lights. When the unit is full, release the button, the fill stops, and the LED goes out. 7000740r7 Cryo Series Thermo Scientific...
- Page 16 10. The High Level alarm LED, remote alarm contacts, and audible alarm will activate in about 2 minutes. 11. Replace the probes and adjust if necessary. Refer to the instructions in Section 2 of this manual. Figure 1-6. Alarms and LED Test Thermo Scientific 7000740r7 Cryo Series...
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Page 18: Operation
When Manual Fill button is pressed, the solenoid opens and unit begins to fill. The Fill indicator lights. Power indicator lights when power is applied to the unit and the switch is turned on. Thermo Scientific 7000740r7 Cryo Series... -
Page 19: Liquid Level Controller
LED (cycle on and off ), high and low level LEDs (off ), all valves will close and remote alarm contacts will activate. To clear this alarm (after the alarm condition is corrected), the unit power switch must be turned off, and back on. 7000740r7 Cryo Series Thermo Scientific... -
Page 20: High And Low Level Sensors Adjustments
3. The double tie-wrap on the sensor wires are the 3-inch low level and the 5-inch high level settings. Caution Allow probe to warm up for 30 minutes before removing from tube. Pulling probe completely out of the tube when cold could damage probe. ▲ Thermo Scientific 7000740r7 Cryo Series... -
Page 21: Gas Bypass Control System
• audible alarm will cycle on and off • all valves will close • remote alarm contacts will activate. To clear this alarm (after the alarm condition is corrected), the unit power switch must be turned off, then turned on. 7000740r7 Cryo Series Thermo Scientific... -
Page 22: Power Switch And Power Indicator
If a higher level is desired, the Manual Fill button must be held down until that level is reached. The yellow LED solenoid indicator lights whenever the fill solenoid valve activates. Thermo Scientific 7000740r7 Cryo Series... -
Page 24: Maintenance
3. Clean and reassemble in reverse order of disassembly, paying careful attention to exploded view provided for identification and placement of parts. After maintenance, operate the valve a few times to ensure proper opening and closing. Thermo Scientific 7000740r7 Cryo Series... -
Page 25: General Cleaning
The interior of the CryoPlus unit is made of high quality stainless steel and should not be cleaned with any cleanser containing chlorine. Exterior Cabinet Wash the outside of the cabinet with a mild detergent. 7000740r7 Cryo Series Thermo Scientific... -
Page 26: Defrosting The Storage Tank
Allow the tank to warm at room temperature. Storage Tank Caution Do not attempt to speed LN evaporation, or frost removal, by applying direct heat. Avoid using a heater or blowing compressed air into storage tank. ▲ Thermo Scientific 7000740r7 Cryo Series... -
Page 28: Troubleshooting
Repair or replace bypass solenoid valve. Open sensor alarm (audible alarm and alarms LED flash, low Defective sensor or sensor wiring harness. Repair or replace cryo liquid level probe assembly and high level LEDs are off). Thermo Scientific 7000740r7 Cryo Series... -
Page 29: Mechanical Block Diagram
▲ Control Board Fuses Two 63mA Slo-Blow fuses (P/N 230162) are located on the Cryo control circuit board which protects power transformer T1. Refer to Figure 4-2. Figure 4-2. Fuse Locations 7000740r7 Cryo Series Thermo Scientific... -
Page 30: Specifications
** Add 5.0" (12.7 cm) for utilities and lid opening *** 93.5" (237.5 cm) total unit height of CryoPlus 4 with lid open **** Rack = 13-2C/100 ***** Use rack #4000112 Continuing research and improvements may result in specification changes at any time. Thermo Scientific 7000740r7 Cryo Series... -
Page 32: Parts List
990027 Magnetic lid gasket 990028 Magnetic lid gasket 990029 Magnetic lid gasket 990031 Magnetic lid gasket 180143 LN2 dip measuring ruler 4000400 4 foot transfer hose 4000401 6 foot transfer hose 195884 Lid closing strap Thermo Scientific 7000740r7 Cryo Series... -
Page 33: Accessory List
Fenwal 4-PL 4R5462 Frame (not used on Model 743) 4000616 Fenwal 4R9951 Platform Dividers 6000740 Installation/Operation Qualification 107406 Tank Plug Foam Gasket 990027 Lid Gasket * FI = Factory Install QI = Qualified Personnel Install 7000740r7 Cryo Series Thermo Scientific... -
Page 34: Exceptions
Gambro DF-200 Platform Dividers 4000048 Gambro DF-700 Platform Dividers 4000050 Fenwal 4R5461 Platform Dividers 4000051 Fenwal 4R5462 Platform Divided 4000063 Platform Riser 3-1/2x31 4000064 Platform Riser 5x31 4000065 Platform Riser 4x31 4000631 Fenwal 4R9951 Platform Dividers Thermo Scientific 7000740r7 Cryo Series... - Page 35 Bypass Assembly Kit 230V QI 201280 Recorder Kit 220V FI 4000007 Inventory Rack 13-2-SS 4000009 Inventory Rack 8-3-SS 4000052 Gambro 200 Platform Dividers 4000053 Fenwal 4R5461 Platform Dividers 4000054 Fenwal 4R5462 Platform Dividers 4000639 Fenwal 4R9951 Platform Divider 7000740r7 Cryo Series Thermo Scientific...
- Page 36 Cryo 300 - Model 744/745 Cryo Plus 4 - Model 7406/7407 Cryo 400 - Model 746/747 4 place frame #4000371 for 250ml canister Sliding canister #4000335 for 4R9953 bag Platform divider for frames #4000371 and 25ml canisters #4000335 Thermo Scientific 7000740r7 Cryo Series...
- Page 37 & Part No. 6-3-C/81 4000095 7-3-C/100 4000003 CV-5-2-C/100 4000012 6-3.75-C/81 4000097 7-3.75-C/100 4000010 7-3-C/81 4000100 8-3-C/100 4000008 7-3.75-C/81 4000043 11-2-C/100 4000001 8-3-C/81 4000104 12-2-C/100 4000042 9-2-C/81 4000106 13-2-C/100 4000006 10-2-C/81 4000108 11-2-C/81 4000110 12-2-C/81 4000112 7000740r7 Cryo Series Thermo Scientific...
- Page 38 Tank - 24” 4000080 Tank - 31” 4000050 Tank - 31” 4000051 Tank - 31” 4000047 Tank - 31” 4000048 Tank - 31” 4000045 Tank - 39.5” 4000053 Tank - 39.5” 4000054 Tank - 39.5” 4000052 Thermo Scientific 7000740r7 Cryo Series...
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Page 40: Electrical Schematics
Section 7 Electrical Schematics Thermo Scientific 7000740r7 Cryo Series... - Page 41 Section 7 Electrical Schematics 7000740r7 Cryo Series Thermo Scientific...
- Page 42 Section 7 Electrical Schematics Thermo Scientific 7000740r7 Cryo Series...
- Page 43 Section 7 Electrical Schematics 7000740r7 Cryo Series Thermo Scientific...
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Page 44: Warranty Information
Section 8 Warranty Information Thermo Scientific 7000740r7 Cryo Series... - Page 45 Section 8 Warranty Information 7000740r7 Cryo Series Thermo Scientific...
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Page 46: Appendix
1. It is extremely cold. At atmospheric pressure, liquid nitrogen boils at - 320° F (-196° C). 2. Very small amounts of liquid vaporize into large amounts of gas. One liter of liquid nitrogen becomes 24.6 cu. ft. (0.7 m3) of gas. Thermo Scientific 7000740r7 Cryo Series... - Page 47 Be sure to follow instructions supplied with the withdrawal device. When liquid cylinders or other large storage containers are used for filling, follow the instructions supplied with those units and their accessories. 7000740r7 Cryo Series Thermo Scientific...
- Page 48 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 7000740r7 Cryo Series...
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Page 49: 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. 7000740r7 Cryo Series Thermo Scientific... - Page 50 Thermo Scientific 7000740r7 Cryo Series 10-1...
- Page 52 Thermo Scientific Controlled Environment Equipment 401 Millcreek Road Marietta, Ohio 45750 United States www.thermo.com...
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