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ULT Freezer

9-11

VWR International

Section 9

Electrical Schematics

Содержание 5700 Series

Страница 1: ...VWR International Model 5700 Series Chest Freezer Operating and Maintenance Manual 7035708 Rev 3 ...

Страница 2: ...040 Key Ring 1 213F Key 2 380520 Neoprene Cap 2 510016 1 4 20 x 5 1 2 Bolt 2 195763 Retaining Clip 1 370563 Remote Alarm Connector 1 Packing List Important installer and user information A redundant temperature sensing device has been included in this ULT freezer This device is a type T thermocouple For convenient access the thermocouple Figure 1 3 terminates in an interconnect jack Figure 1 5 beh...

Страница 3: ...adjustments and maintenance must be performed by qualified service personnel s Material in this manual is for information purposes only The contents and the product it describes are subject to change without notice VWR International makes no representations or warranties with respect to this manual In no event shall VWR be held liable for any damages direct or incidental arising out of or related ...

Страница 4: ... equipment that has been put on 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 VWR International 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 throug...

Страница 5: ...iscuss 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 call When more extensive service is necessary we will assist you with direct factory trained technicians or a qualified service organization for on the spot repair If your service need is covered by the VWR...

Страница 6: ...eezer Start Up 1 9 Set Low Temperature Alarm 1 10 Set High Temperature Alarm 1 10 Run Mode 1 11 Calibrate 2 1 Calibrate the Control Probe 2 1 Temperature Stabilization Periods 2 1 Alarms 3 1 High Stage System Failure 3 2 Probe Failure Alarm 3 2 Maintenance 4 1 Clean Cabinet Exterior 4 1 Clean Air Filter 4 1 Clean Condenser 4 1 Clean Water cooled Condenser 4 2 Defrost Chamber 4 2 Replace Battery s ...

Страница 7: ...US 5 6 Disconnect Fitting Assembly Transfer Hose 5 6 Set Optional BUS Set Point 5 6 Chart Recorder 5 7 Change Recorder Range 5 7 Install Chart Paper 5 7 Recorder Calibration 5 8 Datalogger 5 8 Water cooled Condenser 5 9 Specifications 6 1 Refrigeration Schematics 7 1 Electrical Schematics 8 1 Warranty 9 1 Handling Liquid Nitrogen A 1 Introduction A 2 Handling Liquid CO2 A 4 First Aid A 5 Table of ...

Страница 8: ... of the freezer and indicate the following freezer components Control Panel keypad displays and indicators BUS Optional Back Up System panel Optional temperature recorder 7 day one pen or datalogger Key lock keyed lid lock Figure 1 1 Front View Models 5708 5709 Figure 1 2 Front View Models 5712 5715 5720 5721 ...

Страница 9: ...US connections for probe and solenoid Power Switch mains disconnect Remote Alarm Contacts Optional BUS Connections Power Inlet Power Switch mains disconnect Threaded holes for wall bumpers Access Port Optional BUS battery I O Optional BUS Connections Remote Alarm Contacts Power Switch mains disconnect Power Inlet Threaded holes for wall bumpers Access Port Figure 1 3 Rear View Models 5708 5709 Fig...

Страница 10: ...Battery power switch freezer and BUS Thermocouple receptacle Battery mounting bracket Freezer and optional BUS battery Figure 1 5 Probe Cover aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa aaaaaaa C F RH Alarm Sensor To remove filter Thermocouple interconnect jack O Battery Switch Condenser Figure 1 6 12 7 17 ...

Страница 11: ...aaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa aaaaaaaa O System battery Battery switch Thermocouple interconnect jack To remove filter Figure 1 7 Freezer Left Side Sidecar panel removed Figure 1 8 3 cu ft Freezers Models 5708 and 5709 ...

Страница 12: ...te Silences the audible alarm 5 Alarm Panel Indicates the current alarm condition 6 Up and Down Arrows Increases or decreases values toggles between choices 7 Enter Stores the value into memory ULT Freezer 1 5 VWR International Section 1 Installation and Start up Temperature Display Mode Key Alarm Indicator Mute Key Alarm Panel Up and Down Arrows Enter key Control Panel Keys Display Indicators Fig...

Страница 13: ...moving the freezer make sure the casters are unlocked and moving freely Align the caster with the ramp boards Use adequate personnel to roll the freezer off the pallet The freezer can be easily pushed to the desired approved location described in the following section When the freezer is in position set the front caster brakes Note Do not move the freezer with the product load inside s Locate the ...

Страница 14: ...e alarm provides a NO normally open output a NC normally closed output and COM common The contacts will trip on a power outage high temperature alarm or low temperature alarm They will also trip on high stage control probe and microboard failures Figure 1 10 shows the remote contacts in alarm state ULT Freezer 1 7 VWR International Section 1 Installation and Start up Install Wall Bumpers Quantity ...

Страница 15: ...tch Then open the lower front door by grasping the bottom left corner Locate the battery switch Figures 1 3 and 1 4 and turn it to Standby mode During initial freezer start up the system battery may require charging and the Low Battery message may appear in the message center Note Ensure the battery switch is turned to Standby mode The rechargeable batteries require 36 hours to charge at initial s...

Страница 16: ... temperature range of 50 C to 86 C depending on ambient temperature The freezer is shipped from the factory with a temperature set point of 80 C To change the operating temperature set point 1 Press the Mode key until the Set Temperature indicator lights 2 Press the up down arrow key until the desired temperature set point is displayed 3 Press Enter to save the set point 4 Press the Mode key until...

Страница 17: ... the high temperature alarm is disabled until the cabinet reaches set point or 12 hours elapse s The low temperature alarm activates an audible visual warning when the freezer chamber temperature has reached or decreased below the low temperature alarm set point To set the low temperature alarm set point 1 Press the Mode key until the Set Low Alarm indicator lights 2 Press the up or down arrow key...

Страница 18: ...ng conditions In addition the Run mode allows the high stage heat exchange temperature to be displayed This information is scrolled by pressing the up or down arrow keys The display returns to the operating temperature in 10 seconds if no keys are pressed ULT Freezer 1 11 VWR International Section 1 Installation and Start up Run Mode ...

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Страница 20: ...wer door see Figures 1 4 and 1 6 Compare the control temperature set point to the temperature of the measuring device 1 Press the Mode key until the Calibrate indicator lights 2 Press up down arrow to match the display to calibrated instrument 3 Press Enter to store calibration 4 Press the Mode key to return to Run mode Startup Allow 12 hours for the temperature in the cabinet to stabilize before ...

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Страница 22: ...on occurs and then returns to normal the freezer automatically clears the alarm condition Description Delay Ringback Relay Power Failure 1 min 15 min Yes High Temperature Alarm 1 min 15 min Yes Low Temperature Alarm 1 min 15 min Yes Probe Failure 1 min 15 min No Door Open 1 min 15 min No Wrong Power 0 min none Yes Low Battery 1 min 12 hours No Low BUS Battery optional 1 min 15 min No Hot Condenser...

Страница 23: ...hat they are operating properly Should an error be detected the Probe Failure alarm will occur as described in Section 3 1 above If an error is detected with the control probe the high and low stage compressors will run continuously As a result the cabinet temperature will decrease until it reaches the lowest temperature that the refrigeration system can maintain If an error is detected with the h...

Страница 24: ...p the startup sequence for this condi tion ErA1 No pulses zero crossings detected to determine frequency 50 60 Hz ErC1 Frequency detected is below 50 Hz Erd1 Frequency detected is above 60 Hz Possible noise spikes on supply voltage ErE1 Unit is 230V and the voltage detected is below the low limit 180VRMS ErF1 Unit is 230V and the voltage detected is above the high limit 260VRMS Erg1 Unit is 115V a...

Страница 25: ...icro board In the event that the system couldn t rectify the issue the following sequence of events will occur 1 Remote alarm contacts will become active 2 Buzzer will annunciate audibly and will have a ringback of 15 minutes 3 Seven segment display will show Er07 4 The system will have 10 minute staging between the high stage compressor and the low stage compressor activation 5 The system will go...

Страница 26: ... the filter material using water and a mild detergent 4 Dry by pressing between two towels 5 Install the filter back into the grille and close the door Depending upon environmental conditions the filter may need to be cleaned or replaced more frequently If the filter becomes torn or excessively dirty a replacement can be purchased from VWR Order part number 760211 for 3 0 cu ft units or 760212 for...

Страница 27: ...ion dependent on deposits or build up 6 Circulate cleaning solution if feasible 7 Drain the cleaning solution 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 1 Remove all product and place it in another freezer 2 Turn the unit off and disc...

Страница 28: ...irt or excessive frost build up prevents the door from closing properly The following instructions describe the battery replacement procedure for specific models 1 Open the lower panel door by grasping on the handle and pulling 2 Locate the battery power switch Figure 4 1 Turn the battery power switch to the Off position 3 Remove the four screws holding the recorder bezel to gain access to the bat...

Страница 29: ...cure 6 Reconnect the battery red to positive and black to negative 7 Replace the recorder bezel 8 Turn on the battery power switch 9 Close lower panel door Note For a consistent and dependable charge replace the battery every 2 years Replacement batteries must be rechargeable and are available from VWR Refer to the parts list for stock number and description of the replacement batteries part numbe...

Страница 30: ...ge Turn off the battery power switch Turn off the freezer power switch If the unit has been in service turn it off and disconnect the power cord connector before proceeding with any maintenance ULT Freezer 4 5 VWR International Section 4 Maintenance Prepare Unit for Storage ...

Страница 31: ...uracy required Tips Fill an upright by starting at the bottom near the probe and add racks to one shelf at a time Allow freezer to recover to set point between shelves Fill a chest by starting at the left side near the probe Filling with room temperature racks will result in a long pull down time Fill unit with frozen product to help overall performance frozen water jugs for example Always make ce...

Страница 32: ...er temperature within the specified range The BUS operates on an internal 12 volt rechargeable battery which is kept charged during normal operation by the integral battery charger 1 Locate the mounting hole for installing the injection tee assembly See Figure 5 1 Note Cover open end of injection assembly with tape to keep insulation from entering nipple s 2 Slide 3 8 flatwasher over open end of n...

Страница 33: ... tube s 1 Plug the solenoid probe connector into the BUS connection Loop the probe wire back into the base side car Secure the connector with a screw on the ends of the connector The connector is keyed 2 Route the temperature probe through the probe port The probe port is located in the upper right corner viewed from the side of 12 7 and 20 cu ft models and in the lower right corner viewed from th...

Страница 34: ...e port approximately 12 Secure the back up probe to the temperature probe using a small tie wrap Figure 5 5 6 Seal around the interior and exterior opening of the probe port with Permagum sealant 7 Reinstall the probe cover Figure 5 5 ULT Freezer 5 3 VWR International Section 5 Factory Installed Options Figure 5 4 Probe Access Port Figure 5 5 Probe location Install Temperature Probe continued ...

Страница 35: ...e 4 Turn the battery switch to Standby mode to charge both batteries The following section describes the configuration and operation of the BUS Warning When activated this unit injects liquid nitrogen or carbon dioxide Liquid Nitrogen can cause serious freezing frostbite if it comes in contact with unprotected skin or eyes Nitrogen suppresses oxygen levels and may cause suffocation if area is not ...

Страница 36: ...lenoid will not engage if lid is open s The optional BUS can be configured for LN2 or CO2 supply To select the supply type 1 Press the Mode key until the Backup indicator lights 2 Press the up or down arrow key The display will show cO2 for CO2 selection and Ln2 for LN2 selection 3 Press Enter to save the setting 4 Press the Mode key until the Run indicator lights for Run mode If no control keys a...

Страница 37: ...t cannot be set any colder than the high temp alarm setpoint See Sect 1 Set High Temperature Alarm If the back up system is installed with CO2 then 65 C is the coldest BUS setpoint that can be used if cabinet setpoint is 75 C or colder s After the freezer has stabilized and both batteries are fully charged the BUS can be tested to verify proper operation 1 Disconnect the AC power to the freezer by...

Страница 38: ...ains eight temperature ranges and is factory programmed for the freezer 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 3 Release the button and the green LED will begin to flash Count the number of flashes to determine the present program setting 4 To change the program se...

Страница 39: ...hes the thermometer 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 VWR s Dataloggers and ELPRO evaluation software provide monitoring and documentation of temperature and alarm conditions The dataloggers have a memory capacity of 64 000 measured values or data poi...

Страница 40: ...tion are displayed in Table 5 1 ULT Freezer 5 9 VWR International Section 5 Factory Installed Options Water cooled Condenser Water Source Tower City Water Pressure Not to exceed 150 psig Water Temperature Range Not to exceed 29 4C 85F Inlet Connection 0 5 compression Outlet Connection 0 5 compression Flow Rate Required 3 0 gallons 11 4 liters per minute 1 0 gallon 3 8 liters per minute Drain Requi...

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Страница 42: ...edicated Circuit 20 Amp Time Delay Breaker 15 Amp 230VAC Dedicated Circuit 15 Amp Time Delay Breaker Shipping Weight 716 lbs 324 8 kg Model 5708 5709 Temperature Range 50 C 58 F to 86 C 123 F in an 18C to 32C 64 4F to 89 6F ambient Exterior Dimensions 28 5 W x 43 8 H x 28 8 F B 72 4cm x 111 3cm x 73 2cm Add 7 9 20 1cm to F B for wall spacer handle Interior Dimensions 18 5 W x 16 5 H x 18 5 F B 47 ...

Страница 43: ...age is 2500V for a 230V supply and 1500V for a 120V supply 2 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 6 2 ULT Freezer VWR International Section 6 Specifications Model 5721 5720 Tempe...

Страница 44: ...ULT Freezer 7 1 VWR International Section 7 Parts ...

Страница 45: ...7 2 ULT Freezer VWR International Section 7 Parts ...

Страница 46: ...ULT Freezer 7 3 VWR International Section 7 Parts ...

Страница 47: ...7 4 ULT Freezer VWR International Section 7 Parts Electrical Schematic 3 cu ft Chest Freezer Base V 5608 200 2 B Rev 3 Page 1 of 2 ...

Страница 48: ...ULT Freezer 7 5 VWR International Section 7 Parts Electrical Schematic 3 cu ft Chest Freezer Base V 5608 200 2 B Rev 3 Page 2 of 2 ...

Страница 49: ...7 6 ULT Freezer VWR International Section 7 Parts Exploded Parts Drawing 12 7 17 20 cu ft Chest Freezer Sidecar 5615 200 2 B Rev 1 Page 1 of 2 ...

Страница 50: ...ULT Freezer 7 7 VWR International Section 7 Parts 5615 200 2 B Rev 1 Page 2 of 2 AKS Exploded Parts Drawing 12 7 17 20 cu ft Chest Freezer Sidecar P O Box 649 401 Millcreek Road Marietta OH 45750 ...

Страница 51: ...7 8 ULT Freezer VWR International Section 7 Parts Exploded Drawing 230V Relay Enclosure 902 204 1 B Rev 0 Page 1 of 2 Freezers ...

Страница 52: ...ULT Freezer 7 9 VWR International Section 7 Parts Exploded Drawing 230V Relay Enclosure Freezers 902 204 1 B Rev 0 Page 2 of 2 ...

Страница 53: ...7 10 ULT Freezer VWR International Section 7 Parts Exploded Drawing 120V Relay Enclosure Freezers 902 204 2 B Rev 0 Page 1 of 2 ...

Страница 54: ...ULT Freezer 7 11 VWR International Section 7 Parts Exploded Drawing 120V Relay Enclosure Freezers 902 204 2 B Rev 0 Page 2 of 2 ...

Страница 55: ...7 12 ULT Freezer VWR International Section 7 Parts Exploded Drawing 12 7 17 20 Chest Freezer Interstage Heat Exchanger Assy 8704 201 1 Rev 0 Page 1 of 1 ...

Страница 56: ...ULT Freezer 7 13 VWR International Section 7 Parts Exploded Drawing 3 cu ft Chest Freezer Heat Exchanger 8700 201 1 B Rev 0 Page 1 of 1 ...

Страница 57: ...D 2 LABELS 220555 TO OUTSIDE OF COVER IDENTIFY EACH ASSEMBLY WITH LABELS ON THE BOTTOM AND BACK THAT INCLUDE 3 THE FOLLOWING FIRST LINE ASSEMBLY NUMBER AND REVISION SECOND LINE BAR CODE OF ASSEMBLY AND REVISION THIRD LINE UNIQUE SERIAL NUMBER INCLUDING DATE OF MANUFACTURE IN THE FOLLOWING FORMAT AND ORDER THREE LETTER MANUFACTURING SITE TWO DIGIT YEAR MANUFACTURED TWO DIGIT WEEK MANUFACTURED FOLLO...

Страница 58: ... 5 VINYL COATED STRAP 600106 2 600106 2 600106 2 600106 1 600106 1 600106 1 10 RUN CAPACITOR 170097 2 170226 2 170224 2 170097 1 170226 1 170224 1 11 1 75 VINYL COATED STRAP 600107 2 600107 2 600107 2 600107 1 600107 1 600107 1 12 NEOPRENE TAPE 1 8 X 1 X 2 28003 4 28003 4 28003 4 28003 2 28003 2 28003 2 13 EDGE GUARD CUT TO LENGTH 114012 114012 114012 114012 114012 114012 14 8 X 1 2 PHP TYPE AB 24...

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Страница 60: ...ULT Freezer 8 1 VWR International Section 8 Refrigeration Schematics ULT Freezer 8 1 ...

Страница 61: ...8 2 ULT Freezer VWR International Section 8 Refrigeration Schematics ...

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Страница 66: ...ULT Freezer 9 1 VWR International Section 9 Electrical Schematics ...

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Страница 74: ...ULT Freezer 9 9 VWR International Section 9 Electrical Schematics ...

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Страница 80: ...ULT Freezer 9 15 VWR International Section 9 Electrical Schematics ...

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Страница 82: ...bulbs and door gaskets are exclud ed from this warranty Replacement or repair of component parts or equipment under this warranty shall not extend the warranty to either the equipment or to the component part beyond the original two year warranty period VWR and or Thermo must give prior approval for the return of any components or equipment THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRA...

Страница 83: ...d door gaskets are excluded from this warranty Replacement or repair of component parts or equipment under this warranty shall not extend the warranty to either the equipment or to the component part beyond the original two year warranty period VWR and or Thermo must give prior approval for the return of any components or equipment THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES WHE...

Страница 84: ... touch objects cooled by liquid nitrogen Such objects may stick fast to the skin and tear the flesh when you attempt to free yourself Use tongs to withdraw objects immersed in the liquid and handle the object carefully Wear protective clothing Protect your eyes with a face shield or safety goggles safety glasses without side shields do not give adequate protection Always wear gloves when handling ...

Страница 85: ...e physical properties are very similar to those of nitrogen the precautions and safe practices for the handling and use of liquid argon are the same as those for liquid nitrogen s Use only containers designed for low temperature liquids Cryogenic containers are specifically designed and made of materials that can withstand the rapid changes and extreme temperature differences encountered in workin...

Страница 86: ...of the tube due to gasification and rapid expansion of liquid inside the tube Warning Nitrogen gas can cause suffocation without warning s Store and use liquid nitrogen only in a well ventilated place As the liquid evaporates the resulting gas tends to displace the normal air from the area In closed areas excessive amounts of nitrogen gas reduce the concentration of oxygen and can result in asphyx...

Страница 87: ...ing gas tends to displace the normal air from the area In closed areas excessive amounts of CO2 gas reduce the concentration of oxygen and can result in asphyxiation Because CO2 gas is colorless odorless and tasteless it cannot be detected by the human senses and will be breathed as if it were air Breathing an atmosphere that contains less than 18 oxygen can cause dizziness and quickly result in u...

Страница 88: ...rm and at rest If exposed to liquid or cold gas restore tissue to normal body temperature 98 6 F as rapidly as possible followed by protection of the injured tissue from further damage and infection Remove or loosen clothing that may constrict blood circulation to the frozen area Call a physician Rapid warming of the affected part is best achieved by using water at 108 F Under no circumstance shou...

Страница 89: ...ase Level s Year of Initial Marking 5708 5708 1 thru 6 2003 5709 5709 1 thru 6 2003 5712 5712 1 thru 7 2003 5715 5715 1 thru 7 2003 5720 5720 1 thru 7 2003 5721 5721 1 thru 7 2003 Release Level REL shown on Serial Tag These products conform to the following European Union Directive s EMC 2004 108 EC LVO 2006 95 EC This product conforms to the following Harmonized International and National Standar...

Страница 90: ...VWR International P O Box 5015 Bristol CT 06011 8960 ...

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