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7007400 Cryoplus 4-1

Thermo Scientific

Section 4

Maintenance

Valve maintenance is described below.

Warning

These procedures must be performed by qualified service

technicians.

▲

Operation

Normally closed: Valve is closed when solenoid is de-energized, valve is
open when solenoid is energized.

Positioning/Mounting

The valve is designed to perform properly when mounted in any posi-
tion. However, for optimum life and performance, the solenoid should
be mounted upright to reduce the possibility of foreign matter accumu-
lating in the core tube area.

Maintenance

Warning

Turn OFF electrical power supply and de-pressurize valve before

making repairs. It is not necessary to remove valve from pipe line for
repairs.

▲

Cleaning

A periodic cleaning of all solenoid valves(s) is desirable. The time
between cleanings will vary, depending upon media and service condi-
tions. Generally, if the voltage to the coil is correct, sluggish valve opera-
tion, excessive noise, or leakage will indicate that cleaning is required.

Valve Disassembly and Reassembly

De-pressurize valve and turn OFF electrical power supply. Proceed in the
following manner:

1. Remove retaining clip and slide entire solenoid enclosure from

solenoid base sub-assembly.

Caution

When metal retaining clip disengages, it springs upward.

▲

2. Unscrew solenoid base sub-assembly and remove body gasket, core

assembly with rider ring and core spring attached.

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Содержание 7400 Series

Страница 1: ...Model 7400 Series CRYO Plus 1 2 3 and 4 Liquid Nitrogen Storage System Operating and Maintenance Manual 7007400 Rev 11 ...

Страница 2: ...nary note concerning the use of Teflon tape on valves ccs Thread sealant is recommended page 4 1 8 11 05 Clarified models shipped with lid strap ccs 6 30 05 Added accessory list ccs 4 8 05 Corrected control panel index numbers ccs 12 2 04 Clarified electrical specifications ccs 8 10 29 04 Corrected manual fill instructions LED information ccs 7 21734 FR 1717 7 10 03 Updated alarm information ccs 6...

Страница 3: ...ust be performed by qualified service personnel 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 No...

Страница 4: ...n the market after 13 August 2005 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 Further information on ...

Страница 5: ...are or replacement parts or provide you with on site service 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 th...

Страница 6: ...erature Sleeve 1 4 Fill Unit 1 4 Remote Alarm Connector 1 5 RS 232 Interface Connector 1 6 Tank Switcher Plug in 1 6 Installation Validation 1 6 Operation 2 1 Bar Graph 2 3 Program Controller 2 3 Change High Level Stop Filling Setpoint 2 4 Change Low Level Start Filling Setpoint 2 4 Change High Temperature Alarm Setpoint 2 5 Set Microprocessor Internal Clock 2 5 The Optional Control Printer 2 6 Tr...

Страница 7: ...torage Tank 4 2 Defrosting the Vent Port 4 2 Specifications 5 1 Parts List 6 1 Accessory List 6 2 Exceptions 6 3 Inventory Control 6 5 Electrical Schematics 7 1 Warranty Information 8 1 Handling Liquid Nitrogen 9 1 Table of Contents Section 4 Section 5 Section 6 Section 8 Section 7 Appendix A ...

Страница 8: ...s unit is designed to operate in the following environmental conditions Temperature 5 C 41 F to 40 C 104 F Humidity 80 at 31 C decreasing linearly to 50 at 40 C Altitude 2 000 meters 6 650 feet Warning Whenever working with liquid nitrogen storage equipment in a closed environment the use of personal O2 detection devices is strongly recommended Refer to Handling Liquid Nitrogen in the appendix at ...

Страница 9: ...nation of the liquid fill solenoid or leaks at the hose connections The storage system requires a user supplied low pressure regulated 22 PSIG liquid nitrogen supply Anything higher than 22 PSI will degrade performance of the CryoPlus storage container Connect the transfer hose packed with the CryoPlus unit between the low pressure liquid outlet of the liquid nitrogen supply tank 22 PSIG and the s...

Страница 10: ...Temp Manual Fill Fill Valve Open Low Level Enter Lock position of key switch Programming access position of key switch Fill Valve Open indicator light Manual Fill button High Temp button Low Level button High Level button Down arrow Up arrow Enter button Display Open Valve fault indicator LN Source fault indicator 2 Alarm indicator Silence button Bypass Valve fault indicator Fill Valve fault indic...

Страница 11: ...ltage and full load amps The power switch on the back of the unit is the mains disconnect and is also a reset type circuit breaker If an overload condition occurs the built in circuit breaker will trip and the power switch will turn off 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 elec...

Страница 12: ...ve are aligned with the temperature probe at the rear of the tank and the square holes in the bottom of the sleeve are aligned with the fill and pressure ports 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 When shipped ...

Страница 13: ... 2 The storage container fills until the liquid Nitrogen reaches the high level set point and the 5 inch flashing orange LED changes to flashing red The LN2 storage container is now in full automatic operation After the initial fill is complete close the lid and allow the unit to stabilize for 8 to 10 hours or overnight before changing the high or low level setpoints or adding inventory Caution So...

Страница 14: ...l contact the Technical Service Department or your local Thermo sales representative LN2 Supply The source tank should indicate that it is full and the pressure to the Cryo unit regulated at 22 PSIG Check all connections Temperature Sleeve When installed the ends of the sleeve must align with the temperature probe at the back of the tank and the pressure and fill ports are visible through the squa...

Страница 15: ... Access Press the Manual Fill but ton The fill indicator will light and the unit will begin filling the cham ber If the LN2 level is more than one inch below the high level setpoint the liquid nitrogen will continue to flow after Manual Fill is released until the high level setpoint is reached To stop filling before high level turn the unit off then on If LN2 is already in the tank and the level i...

Страница 16: ...t the bottom Take subsequent measurements at this same location When the LN2 stops boiling pull out the ruler The actual liquid level will be approximately one inch lower than the frost line on the ruler Compare this with the level shown on the bar graph Measuring toler ance for the low scale 2 to 7 is 1 2 inch Measuring tolerance for the high scale 1 to 25 is 1 inch Caution Some shrinkage of the ...

Страница 17: ......

Страница 18: ...ands to the control system are given using the control panel on the cabinet lid Figure 2 1 A multi colored bar graph on the front of the cabinet shows the status of the system indicating the liquid level inside the chamber and the high level stop fill and low level start fill points See Figure 2 2 Figure 2 1 Control Panel Elements Figure 2 2 Level Indicators and Setpoints ...

Страница 19: ...ing changes to the microprocessor Up and down arrows that change the high and low level settings when making programming changes are also used to change the high temperature alarm setpoints The High Level button changes the level at which the system stops filling Low Level is pressed to change the level at which the system starts filling The High Temp button changes the temperature at which the hi...

Страница 20: ...gh level setpoint Orange flashing Under normal conditions the flashing upper LED is the high level stop fill setpoint and the flashing lower LED is the low level start fill setpoint Green indicates the actual liquid Nitrogen level Red steady indicates the amount of space below or above setpoint from the actual liquid level Red flashing indicates that the liquid level is above or below the level se...

Страница 21: ...n Refer to Figures 2 1 and 2 2 1 Turn the key switch to the Programming Access position and verify that the Bar Graph is set to the desired scale 2 If the yellow Fill Valve Open indicator is lit the system is in the fill mode 3 Press Low Level 4 Press the up arrow to raise the low level start filling setpoint A flashing orange LED will begin to move upward Release the up arrow when it reaches the ...

Страница 22: ...at the new setpoint The real time internal clock enables alarms program changes and current system status to be printed relative to the actual time and date of occurrence This information is made available through the RS 232 data port The factory default setting is Eastern Standard Time USA To set the clock start with the unit turned off 1 Turn the key switch to Full Access Press the High Level bu...

Страница 23: ...tween the RS 232 interface jack and the printer cable The printer P N 4000565 4000665 provides the following information Note All functions and error codes when printed include the current LN2 level temperature time and date Power up Auto fill cycle Manual fill start and scale selection Manual fill stop and scale selection Changes in program settings Cover opened tank lid opened All error codes No...

Страница 24: ...tration for reference Warning Potential electrical hazards exist in this equipment Only qualified persons should perform the instructions and procedures described in this section Warning Ultra low temperatures are associated with this equipment Instructions in this section should only be carried out when using special handing equipment or when wearing special protective clothing Figure 3 1 Compone...

Страница 25: ...r switch circuit breaker two North American UL and or CSA 125 mA 250 VAC Slo Blow fuses P N 230173 are located on the microprocessor circuit board Refer to Figure 3 2 To access these fuses remove the cabinet back panel Warning This service should only be performed by qualified personnel Figure 3 2 Microprocessor Circuit Board ...

Страница 26: ...hooting the Alarms Access the control panel circuit board below by lifting off the plastic frame surrounding the front of the panel and removing the Phillips screws Figure 3 3 Inserting Connectors From Inside the Cabinet Figure 3 4 Control Panel Circuit Board ...

Страница 27: ... lifting off the plastic frame surrounding the front of the panel and removing the Phillips screws 3 4 7007400 Cryoplus Thermo Scientific Section 3 Troubleshooting the Alarms Figure 3 5 Mechanical Block Diagram Figure 3 6 Bar Graph Circuit Board ...

Страница 28: ...hree warning lamps flash and the alarm bars light The audible alarm sounds Fill and Bypass valves close Remote alarm contacts activate immediately Analog to digital power converter error Turn the unit off for five to ten minutes and turn it back on If alarm condition persists call the Technical Services Department 2Level Sensor Fill Valve Bypass Valve Open Valve Bypass Sensor LN Source 2 Silence F...

Страница 29: ...ot ring back except where noted Open Valve warning lamp and the alarm bars light The audible alarm sounds Fill and Bypass valves attempt to close The Remote alarm contacts activate immediately Alarm system resets if condition corrects Printer prints Error Code 5 Open Valve warning lamp flashes and the alarm bars light The audible alarm sounds Fill and Bypass valves attempt to close The command to ...

Страница 30: ... Cryo Plus Storage System Refer to Section 1 2 of this manual and make sure that the unit is receiving nitrogen and not just nitrogen 2 2 liquid gas 6 8 alarm1a cdr Level Sensor Fill Valve Bypass Valve Open Valve Bypass Sensor LN Source 2 Silence Silence Silence Silence Setpoint Red LED s and The audible alarm can only be silenced with the key switch in the Programming Access Position Return the k...

Страница 31: ... Sensor Fill Valve Fill Valve Bypass Valve Bypass Valve Open Valve Open Valve Bypass Sensor Bypass Sensor LN Source LN Source 2 2 Silence Front Panel Alarm Alarm Description and Probable Cause System Response Printer Error Code Corrective Action The Alarm can only be silenced with the key switch in the Programming Access position Return the key switch to the Lock position after silence Alarms do n...

Страница 32: ...ition after silence Alarms do not ring back except where noted Level Sensor Fill Valve Bypass Valve Open Valve Bypass Sensor LN Source 2 Silence e temperature display flashes he display shows 199 The audible alarm sounds Remote alarm contacts set to activate in 30 minutes Alarm system resets if condition corrects Printer prints Error Code 12 The alarm bars light and th T Temperature probe wires cu...

Страница 33: ...s and back to Lock The system will go into the alarm state the next time an LN2 fill command is issued if the bypass fault is not corrected If the alarm state cannot be corrected call the Technical Services Department 13 alarm2a cdr Front Panel Alarm Alarm Description and Probable Cause System Response Printer Error Code Corrective Action The audible alarm can only be silenced with the key switch ...

Страница 34: ...igh level set point Move the high level set point to the current LN level The setpoint can be changed back after the LN has evaporated to the desired level 2 2 15 alarm6a cdr Front Panel Alarm Alarm Description and Probable Cause System Response Printer Error Code Corrective Action The Alarm can only be silenced with the key switch in the Programming Access position Return the key switch to the Lo...

Страница 35: ......

Страница 36: ...y and de pressurize valve before making repairs It is not necessary to remove valve from pipe line for repairs Cleaning A periodic cleaning of all solenoid valves s is desirable The time between cleanings will vary depending upon media and service condi tions Generally if the voltage to the coil is correct sluggish valve opera tion excessive noise or leakage will indicate that cleaning is required...

Страница 37: ... gloves should be worn whenever cleaning the inside of this unit Follow established laboratory procedures Allow the interior of the unit to warm to ambient and use an appropriate germicide Freezing chamber 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 ...

Страница 38: ...compressed air into the storage tank To defrost the vent port open the lid and allow to warm at room temperature See Caution above The opening of the storage container can be loosely covered while the vent port thaws After the port has thawed remove all moisture from the vent port area before returning the tank to service 7007400 Cryoplus 4 3 Thermo Scientific Section 4 Maintenance Defrosting the ...

Страница 39: ......

Страница 40: ... 1 2 45 Flare 1 2 45 Flare 4 foot hose 6 foot hose 6 foot hose 6 foot hose Weight Empty 194 0 lbs 88 0 kg 325 0 lbs 147 4 kg 416 0 lbs 188 7 kg 680 0 lbs 308 4 kg Weight Full 354 0 lbs 160 6 kg 680 0 lbs 308 4 kg 1021 0 lbs 463 1 kg 1620 0 lbs 734 8 kg Shipping Weight 260 0 lbs 117 9 kg 400 0 lbs 181 4 kg 540 0 lbs 244 9 kg 892 0 lbs 404 6 kg No of Racks Standard 6 10 17 28 Maximum 6 28 50 31 Capa...

Страница 41: ......

Страница 42: ...cessor board 1 1 1 1 195000 Ribbon cable level to main 1 1 1 1 195001 Ribbon cable control board to main 1 1 1 1 195002 CryoPlus main wiring harness 1 1 1 1 195007 CryoPlus temperature probe 1 1 1 1 195024 120V valve assy 7400 7402 7404 7406 1 1 1 1 195025 220V valve assy 7401 7403 7405 7407 1 1 1 1 195027 CryoPlus control panel assembly 1 1 1 1 195028 CryoPlus level panel assembly 1 1 1 1 251008 ...

Страница 43: ...del 7400 only 4000103 Jumbo Inventory Rack Kit 8 2 SS 4000104 Jumbo Inventory Rack 8 3 C Model 7400 only 4000108 Jumbo Inventory Rack 10 2 C Model 7400 only 4000144 Inventory Control Rack 13 2 C 4000324 Delmed 2030 2 Slide Canister 4000332 Gambro DF 200 Slide Canister 4000333 Gambro DF 700 Slide Canister 4000335 Fenwal 4R5461 Slide Canister 4000336 Fenwal 4R5462 Slide Canister 4000348 Delmed 2030 ...

Страница 44: ...0078 Gambro DF200 Platform Dividers 4000079 Gambro DF700 Platform Dividers 4000080 Delmed 2030 2 Platform Dividers 4000624 Fenwal 4R9951 Platform Dividers Model 7403 195023 Bypass Assembly Kit 230V FI 195701 Bypass Assembly Kit 220V QI 201280 Recorder Kit 220V 4000003 Inventory Rack 7 3 CW 4000004 Inventory Rack 7 3 SS 4000060 Platform Riser 3 1 2 x20 4000061 Platform Riser 5 x20 4000062 Platform ...

Страница 45: ...pass Assembly Kit 220V QI 201280 Recorder Kit 220V 4000003 Inventory Rack 7 3 CW 4000004 Inventory Rack 7 3 SS 4000045 Delmed BP4 4BP Platform Dividers 4000047 Gambro DF 200 Platform Dividers 4000048 Gambro DF 700 Platform Dividers 4000050 Fenwal 4R5461 Platform Dividers 4000051 Fenwal 4R5462 Platform Dividers 4000063 Platform Riser 3 1 2x31 4000064 Platform Riser 5x31 4000065 Platform Riser 4x31 ...

Страница 46: ... Dividers 4000053 Fenwal 4R5461 Platform Dividers 4000054 Fenwal 4R5462 Platform Dividers 4000066 Platform Riser 3 1 2x39 4000067 Platform Riser 5x39 F 4000639 Fenwal 4R9951 Platform Dividers 4000665 Thermal Printer 220V Inventory Control Cryo Plus 1 Model 7400 7401 Cryo 100 Model 740 741 Cryo Plus 2 Model 7402 7403 Cryo 200 Model 742 743 Cryo Plus 3 Model 7404 7405 Cryo 300 Model 744 745 Cryo Plu...

Страница 47: ...ryoplus Thermo Scientific Section 6 Parts List Inventory Control cont d Sliding canister 4000335 for 4R9953 bag 4 place frame 4000371 for 250ml canister Platform divider for frames 4000371 and 25ml canisters 4000335 ...

Страница 48: ...em 28 Racks CryoPlus 3 11 2 C 100 2ml 13 2 C 100 2ml CV 4 2 C 100 CV 5 2 C 100 Cryo 300 7 3 C 100 4ml 8 3 C 100 4ml 31 Dia 6 3 75 C 100 5ml 7 3 75 C 100 5ml System 17 Racks System 50 Racks CryoPlus 4 11 2 C 100 2ml 13 2 C 100 2ml CV 4 2 C 100 CV 5 2 C 100 Cryo 400 7 3 C 100 4ml 8 3 C 100 4ml 39 5 Dia 6 3 75 C 100 5ml 7 3 75 C 100 5ml System 31 Racks System 82 Racks Description 5 3 75 C 81 5ml 4000...

Страница 49: ...ce CryoPlus 4 Cryo 400 39 5 Dia 792 198 4 place 624 156 4 place 432 108 4 place 312 78 4 place 564 188 3 place Description Slide Canister 4000335 Slide Canister 4000336 Slide Canister 4000332 Slide Canister 4000333 Slide Canister 4000324 Part No Swing 4000356 Swing 4000357 Swing 4000348 Frame OAH 22 9 4000371 Frame OAH 23 1 4000372 Frame OAH 26 1 4000368 Frame OAH 23 4000369 Frame 4000364 Platform...

Страница 50: ...7007400 Cryoplus 7 1 Thermo Scientific Section 7 Electrical Schematics 7007400 Cryoplus 7 1 ...

Страница 51: ...7 2 7007400 Cryoplus Thermo Scientific Section 7 Electrical Schematics ...

Страница 52: ...7007400 Cryoplus 7 3 Thermo Scientific Section 7 Electrical Schematics ...

Страница 53: ...7 4 7007400 Cryoplus Thermo Scientific Section 7 Electrical Schematics ...

Страница 54: ...ther the equipment or to the component part beyond the original warranty period The Technical Services Department must give prior approval for return of any components or equipment At Thermo s option all non conforming parts must be returned to Thermo postage paid and replacement parts are shipped FOB destination THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHETHER WRITTEN ORAL O...

Страница 55: ... components parts or equipment under this warranty shall not extend the warranty to either the equipment or to the component part beyond the original warranty period The Technical Services Department must give prior approval for return of any components or equipment At Thermo s option all non conforming parts must be returned to Thermo postage paid and replacement parts are shipped FOB destination...

Страница 56: ...protective clothing Protect your eyes with a face shield or safety goggles safety glasses with out side shields do not give adequate protection Always wear gloves when handling anything that is or may have been in immediate contact with liquid nitrogen Insulated gloves are recommended but heavy leather gloves may also be used The gloves should fit loosely so that they can be thrown off quickly if ...

Страница 57: ... not use any stopper or other device that would inter fere with venting of gas These cryogenic liquid containers are generally designed to operate with little or no internal pressure Inadequate venting can result in excessive gas pressure which could damage or burst the container Use only the loose fitting necktube core supplied or one of the approved accessories for clos ing the necktube Check th...

Страница 58: ...moisture not the gas itself The issuing gas is invisible Never dispose of liquid nitrogen in confined areas or places where others may enter 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 If a person seems to become dizzy or loses consciousness while ...

Страница 59: ...7007400 Cryoplus 10 1 Thermo Scientific ...

Страница 60: ...Thermo Scientific Controlled Environment Equipment 401 Millcreek Road Marietta Ohio 45750 United States www thermofisher com ...

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