Installation Operation Thermo Scientific ULT-80 & ULT-95
Contents
1. Check all wiring for proper connections or possible shorts Software to verify serial communication is available from Thermo Fisher If after following these troubleshooting steps your circulator fails to operate properly contact our Service Department for assistance see Preface After sale Support Before calling please obtain the following information Part number Serial number Voltage of power source Software version see page 23 Our Service Department can provide you with a complete list of spare parts for your circulator see Preface After sale Support Before calling please obtain the following information Part number Serial number ULT 95 Rear View Connectors 3 Potential relay L Hi Temp Cutout Contactor Start capacitor L Tank drain Capacitor pump motor Potential relay H Run capacitor L Suction filter L Condenser Discharge port L Compressor L SudionprtL Start capacitor Run capacitor H Thermal Expansion Valve H Suction filter H Fan blade x2 Fan motor x2 Suction port H Compressor H Discharge port H ULT 95 Left Side View Fan motor Pump motor L Low stage High stage Oil separator H Relay Capacitor box Low pressure control2. This manual is copyrighted by Thermo Fisher Scientific Users are forbidden to reproduce republish redistribute or resell any materials from this manual in either machine readable form or any other form ULT 80 and ULT 95 Table of Contents Preface e Hr 3 Missi c 3 After sale Support u Nu u nnne 3 no o 3 Out of Box FallUte 206 imei a a eee trans 3 LU EE 3 Section Safety Wall CE 4 Section General Information DESCMPUOM e EE 5 SPECIICALONS EET 5 Section III Installation hol eae c 7 Electrical Requiremiehts uuu sunum RETE tes 7 Plumbing Requirements 8 gii rm e eats 8 Filling Requirements 4024 0 0 00 8 aient LEES 9 cute nak 9 e 9 Section IV Operation cid m 10 Controller Keypad amp 10 Ghanging a Valle a teu 11 Controller 2 4 11 20 11 Operators OOD m 12 eU 12 Error Messages um nasua 15 High Temp Low Liquid Level Safety 2 15 9 Pin Accessory 16 Analog Interface u uu rtu
3. Fan motor H Condenser 22 Additional Loops i Setup loop perator s loop TMP XXX XC Calibration loop Figure 3 Changing Loops 209 Calibration Loop Calibration Procedure The Calibration Loop is used to calibrate the RTD high and low temperature The controller s internal temperature sensor is factory calibrated We recom mend calibrating any external sensor Enter the Calibration Loop from the Operator s Loop by pressing and holding the NO key while pressing the YES key three times Install a calibrated reference thermometer in the bath For external mode also install the sensor in the bath Place the cover on the circulator The procedure uses the Operator s Setup and Calibration Loops In the Setup Loop place the circulator in either the internal or remote RTD mode of operation RTD1 Internal RTD2 External Return to the Operator s Loop and adjust the setpoint to an appropriate high end temperature NOTE When calibrating the external sensor ensure the controller s SENSOR indicator is illuminated Once the bath reaches the setpoint and stabilizes go to the Calibration Loop and as illustrated on the next page enter the actual reference thermometer reading at either the r1H or r2H prompt Store the change and return to the Operator s Loop Adjust the setpoint to an appropriate low end temperature Once the bath reaches the setpoint and stabilizes
4. H High pressure cutout H High pressure contro L 2 T Suction port H Compressor H Receiver H 22826 L Low stage High stage 04 Oil separator L Dryer L Thermal expansion valve Solenoid coil Solenoid valve H Desuperheater top row of condenser Dryer H Sight glass Condenser H Discharge port H ULT 80 Left SideView Fan Pump motor Dryer L Low pressure control Suction filter L v tede s Suction filter H N Low pressure service port L Compressor electrical box L _ High pressure service port 41 I Compressor L Receive L Low stage High stage High temp cutout High temp units only High pressure control H separator L High pressure control L Thermal Expansion valve H Solenoid coil Solenoid valve H Condenser H High pressure service port L i Desuperheater L N Sight glass H Dryer ULT 80 Right Side View Fan motor L Low pressure service port Compressor H
5. a 17 Section V Maintenance amp Troubleshooting Service COMUACHS ei exa a go 18 CIC ANIA 18 PAUSE 18 elg e MIENNE 18 Service ASSISTANCE isis vr cri Pl deca da ar e vd den ada d 20 Technical 20 VEKIS A 21 ULT 95 Left Side VIEW 21 ULT 80 Right Side ront reri 22 ULT 80 Left SideView nnne 22 Additional L00pS en et 23 Cali ratiO nO OP 24 Calibration Procedure iia entered eer nk kan ea aca ada a ra ka kd aa daa 24 Appendix A Serial Communications Protocol Appendix B Programming Software Declaration of Conformity WARRANTY Compliance WEEE RoHS After sale Support Unpacking Out of Box Failure Warranty Preface Refer to the Declaration of Conformity in the back of this manual Thermo Fisher Scientific has contracted with one or more recycling disposal companies in each EU Member State and this product should be disposed of or recycled through them Further information on Thermo Fisher Scientific s compliance with these Direc tives the recyclers in your country and information on Thermo Scientific products which may assist the detection of substances subject to the RoHS Directive are available at www thermofisher com W
6. by turning the knob approximately 3 7 rotations To avoid damage do not overtighten the adjustment knob in either the open or closed position NOTE This is a standard feature on ULT 95s an optional feature for ULT 80s The nitrogen purge valve is designed to accept a constant flow of dry nitrogen into the reservoir The nitrogen blankets the cooling fluid preventing air oxidation and water absorption Remove the reservoir cover by removing the screws Fill the reservoir with cooling fluid following the procedure listed above Replace the cover and screws Connect the nitrogen line to the valve on the reservoir cover Use a pressure regulator set to 0 5 psig 0 035 kg cm or lower to prevent fluid overflow A reservoir drain is located on the rear of the circulator The drain is a Parker 6PNBZ plug Start Up Controller Keypad amp Display Section IV Operation Before starting check all electrical plumbing and inlet outlet connections and make sure the work area has been properly filled with bath fluid To start the bath place the MAIN ON OFF switch to the ON position The pump will start and the controller will display the temperature of the fluid in the reservoir The controller may display Er21 until the reservoir fluid tempera ture drops within 5 of the circulator s high end temperature range see page 15 To start the refrigeration system place the REFRIGERATION ON OFF switch to the ON position NOTE F
7. circulator Circulators have a warranty against defective parts and workmanship for one full year from date of shipment See back page for more details or Warnings Section Safety Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your circulator If you have any questions concerning the operation of your circulator or the information in this manual contact our Sales Department see After sale Support Performance of installation operation or maintenance procedures other than those described in this manual may result in a hazardous situation and may void the manufacturer s warranty Transport the circulator with care Sudden jolts or drops can damage the refrigeration lines Observe all warning labels Never remove warning labels Never operate damaged or leaking equipment Never operate the circulator without cooling fluid in the bath Always turn off the circulator and disconnect the line cord from the power source before performing any service or maintenance proce dures or before moving the circulator Always empty the bath before moving the circulator Never operate equipment with damaged line cords Refer service and repairs to a qualified technician For proper travel the compressors support springs are tightened prior to shipping The springs four per compressor must be loosened before operating the circulator Remove the rear a
8. lockup the controller keypad Errors 00 through 03 may be cleared by depressing the NEXT ENTER key To protect your application the adjustable High Temperature Low Liquid Level Safety HIGH TEMP LOW LEVEL ensures the heater will not exceed tem peratures that can cause serious damage to your circulator A single tempera ture sensor located on the heater coils in the bath monitors both conditions A High Temperature Low Liquid Level fault occurs when the temperature of the sensor exceeds the set temperature limit In the event of a fault the circulator will shut down The cause of the fault must be identified and corrected before the circulator can be restarted The safety is not preset and must be adjusted during initial installation To set the safety locate the HIGH TEMP LOW LEVEL SAFETY adjustment dial on the rear of the pump box Turn the dial fully clockwise and turn the Power switch OFF then back ON Start the circulator Adjust the setpoint for a few degrees higher than the highest desired fluid temperature and allow the bath to stabilize at the tem perature setpoint Turn the HIGH TEMP LOW LEVEL SAFETY dial counter clockwise until you hear a click and the circulator shuts down The FAULT LED will light to indicate a fault has occurred Cool the bath and then without moving the adjustment dial turn the Power switch OFF then back ON NOTE The safety switch has a temperature range of 7 C to 180 15 9 Pin Accessory
9. 0 03 qb d1 d2 cs Read Proportional Band P CA 00 01 71 00 8D CA 00 01 71 03 qb 01 d2 cs Read Integral 1 CA 00 01 72 00 8C CA 00 01 72 03 qb 01 d2 cs Read Derivative D CA 00 01 73 00 8B CA 00 01 73 03 qb 01 d2 cs SET Set Setpoint control point CA 00 01 F0 02 d1 d2 cs CA 00 01 F0 03 qb d1 d2 cs Set Low Temperature Limit CA 00 01 CO 02 di d2 cs CA 00 01 CO 03 ob d1 d2 cs Set High Temperature Limit CA 00 01 EO 02 di d2 cs CA 00 01 EO 03 qb di d2 cs Set Proportional Band CA 00 01 F1 02 di d2 cs CA 00 01 F1 03 qb d1 d2 cs P 1 99 9 Set Integral I 0 9 99 CA 00 01 F2 02 d1 d2 cs CA 00 01 F2 03 qb di d2 cs Set Derivative D 0 5 0 CA 00 01 0241 d2 cs CA 00 01 03 qb d1 d2 cs BATH ERROR RESPONSES Bad Command N A CA 00 01 OF 02 01 ed cs Bad Checksum N A CA 00 01 OF 02 03 ed cs MISCELLANEOUS Request Acknowledge CA 00 01 00 00 FE CA 00 01 00 02 v1 v2cs command bytes shown in bold qb qualifier byte d1 d2 16 bit signed integer of the value being sent or received cs the checksum of the string see text ed echo back of the command byte as received 1 2 protocol version limited to the range of the bath Table 2 QUALIFIER BYTE 10 hex 0 1 precision no units of measure 20 hex 0 01 precision no units of measure 11 hex 0 1 precision units Example The temperature of 45 6 would be represented by the qualifier 11 hex followed by the 2 bytes 01 C8 hex 456 decimal 29 NEScom Software A
10. 03 11 FF 97 34 3 bytes to follow The checksum is the bitwise inversion of CB 00 01 20 03 11 FF 97 2071 The master sets parameters in the bath by sending one of the Set Functions as shown in Table 1 The master does not send a qualifier byte in the data field The master should be preprogrammed to send the correct precision and units it could also read the parameter of interest first to decode the correct precision and units needed For example if the master wants to set the setpoint to 30 C it would send The checksum is the bitwise inversion of 20 00 01 F0 02 01 2C CA 00 01 02 01 2C DF Y The temperature of 30 0 C is 300 decimal 012C hex command byte 2 bytes to follow The bath responds The qualifier byte of 11 indicates a precision of 1 7 decimal point and units of The temperature of 30 0 C is 300 decimal 012C hex commandbyte CA 00 01 FO 03 11 01 2C CD The checksum is the bitwise inversion of 3 bytes to follow 32 00 01 0 03 11 01 2 28 Table 1 All bytes in hex FUNCTION MASTER SENDS BATH RESPONDS HEAD Read Internal Temperature CA 00 01 20 00 DE 00 01 20 03 qb d1 d2 cs Head External Sensor CA 00 01 21 00 DD CA 00 01 21 03 qb d d2 cs Read Setpoint control point 00 01 70 00 8E CA 00 01 70 03 qb d1 d2 cs Read Low Temperature Limit 00 01 40 00 BE 00 01 40 03 qb 01 d2 cs Read High Temperature Limit 00 01 60 00 9E CA 00 01 6
11. 03 C 0 2 C 250 watts at 70 C 340 watts at 80 C 53 8 x 7 x 9 2 2 DIA Fill Hole 13 7 x 17 8 x 24 1 5 1 cm Fill Hole 2x1H P 2x1 5 H P 1200 watts 1650 watts 4 0 15 1 477 x 273 8 x 17 48 x 32 s x 211 120 7 x 69 5 x 45 1 121 9 x 81 6 x 54 6 336 370 152 4 168 0 Z Pump Force Suction H Pump Force only Max Head 12 3 7M Max Head 10 10 3 3M Max Head 31 9 4M Max Head 21 6 4M 0 10 liters minute at 0 Head 0 16 0 liters minute at 0 Head 0 10 liters minute at 0 Head 0 12 4 liters minute at 0 Head 1 50 Hz ULT 95 circulators 85 C to 30 C ULT 80 80 C temperature range circulators are available these circulators have 2400 watt heaters BOMs 180104201601 and 180106201601 2 200 watts for ULT 80 50 Hz operation 280 Watts for ULT 95 50 Hz operation 3 Cooling capacity is affected by ambient temperature cooling capacity will decrease at the rate of 1 per F above 75 F 4 Usable depth for ULT 80 is 8 inches 5 Using fluid with specific gravity of 1 0 x5 Cooling Capacity Pumping Capacity Time to Temperature Herat Load Watts A ULT 95 60Hz B ULT 95 50Hz C ULT 80 60Hz D ULT 80 50Hz 60 40 20 Meters Feet 98 32 A ULT 95 60HZ B ULT 95 50HZ C ULT 80 60HZ 73 24 D ULT 80 50HZ 4 9 16 2 4 8 4 8 12 16 Lpm 1 2 2 3 1 4 2 Gpm Flow A ULT 80 60HZ B ULT 95 6
12. 0HZ o 9 z 30 60 90 Time Minutes 120 Site Electrical Requirements A Section Installation The refrigeration system requires that the circulator must be located on a level surface Never place the circulator in a location where excessive heat moisture or corrosive materials are present Locate the circulator in a laboratory or clean industrial environment Ambient Temperature Range 10 to 35 50 to 95 F Overvoltage Category II Pollution Degree 2 Circulators have an air cooled refrigeration system Air is drawn through the front and discharged through side and rear panels Position the circulator so the intake and discharge are not impeded A minimum clearance of 3 feet 1 meter on all four sides is necessary for adequate ventilation Inadequate ventilation will reduce cooling capacity and in extreme cases can cause compressor failure Excessively dusty areas should be avoided and a periodic cleaning schedule should be instituted see Section V Cleaning The circulator will retain its full rated capacity in ambient temperatures up to approximately 75 24 C Reduce the cooling capacity 1 for every 19 above 75 F up to a maximum ambient temperature of 95 F In terms of C reduce the cooling capacity 1 for every 0 5 C above 24 C up to a maximum ambient temperature of 35 C The circulator construction provides protection against the ri
13. 32 Protocol e NO e bAUd BAUD rate default 9600 NEXT m ENTER ENTER dAtA Data bits default 8 y A StoP Stop bit default 1 LoT A gt xxx PAR Parity default none vs Stor Store D NEXT ENTER ENTER vs OFF NO Zx gt ves 0X n4 ee mS GOTO e NO ARN fas OPERATORS Z v 1 LOOP nes _ ENTER ENTER gt XXXX JM NEXT ENTER ENTER A StoP Yes gt Lcd _ ENTER ENTER A Y 9 Pa yes gt NEXT O o Ww ee z v ENTER ENTER v Stor NO A YES STORE CHANGES Figure 2 Setup Loop 2 of 2 NOTE Should you desire to return to the temperature display and abort al changes keep pressing the NEXT ENTER until the display reads Stor then press NO 14 Error Messages High Temp Low Level Cutout Error Action 00 ROM Checksum Er01 RAM Test Failed 02 Keypad Test Failed Er04 Er13 Interrupt Error Er14 Synchronous Error Er15 Asychronous Error Er16 Bad Calibration Er19 Low Temp Limit Er21 High Temp Limit Er23 RTD2 Shorted Er24 RTD2 Open Not Installed Er25 RTD1 Shorted Er26 RTD1 Open HTC High Temperature Cutout Er52 System Error NOTE On start up Er21 is active until the reservoir fluid temperature drops within 5 C of the circulator s high end temperature range Errors 00 through 15 will
14. Connector The circulator is equipped with two 9 pin D connectors located on the rear of the control box The female COMM is used for RS232 communication see Appendix the male is used with an optional external sensor COMM SENSOR 54321 12345 0DODO o o 93171 6789 RS232 Pin Connections Pin Function No connection TX Transmitted data from controller RX Received data to controller Noconnection GND Signal ground No connection CTS Clear to send RTS Request to send No connection OMAN O ON Hardware Internal Connector Mating Connector Parti 745491 2 Parti 745492 2 Remote Sensor Connections Pin Function 3 wire RTD connection A Example Noconnection Noconnection 3 wire RTD connection A Noconnection No connection 3 wire RTD connection B Noconnection Noconnection RTD O Q Hardware Internal Connector Mating Connector Part 745492 2 AMP Parti 745491 2 16 Analog Interface An 15 pin D subminiature female receptacle for analog interface is located on the rear of the control pump box Pin m 1 10 13 14 15 Function a Oo CC C C Chassis ground oe Goa ee No connection 15 pin D subminiature female receptacle Noconnection Analog Ground The analog ground is physically separated from the power ground throughoutth
15. EEERoHS Thermo Fisher Scientific is committed to customer service both during and after the sale If you have questions concerning the operation of your circulator or the information in this manual contact our Sales Department If your circulator fails to operate properly or if you have questions concerning spare parts or Service Contracts contact our Service Department Before calling please refer to the serial number label to obtain the following BOM number Serial number Software version see page 23 Retain all cartons and packing material until the circulator is operated and found to be in good condition If the circulator shows external or internal damage or does not operate properly contact the transportation company and file a damage claim Under ICC regulations this is your responsibility An Out of Box Failure is defined as any product that fails to operate in conformance with sellers published specifications at initial power up The circulator must be installed in accordance with manufacturer s recommended operating conditions within 30 days of shipment from the seller Any Thermo Fisher Scientific product meeting the definition of an Out of Box Failure must be packed and shipped back in the original packaging to Thermo Fisher Scientific for replacement with a new circulator Seller to pay the cost of shipping Customer must receive a Return Material Authorization RMA from Thermo Fisher prior to shipping the
16. R ENTER Y A jm f Aol E 0 0 2 wo NO EE 4 5 4 NO 1 i ENTER ENTER YES SAVE CHANGES Figure 4 Calibration Loop NOTE To stor a changes when the display reads Stor press YES Should you desire to return to the temperature display and abort a changes when the display reads Stor press NO 25 Appendix A Serial Communications Protocol NOTE This appendix assumes you have a basic understanding of communi cations protocols All data is sent and received in binary form do not use ASCII In the following pages the binary data is represented in hexadecimal hex format The NC Serial Communications Protocol is based on a master slave model The master is a host computer while the slave is the bath s controller Only the master can initiate a communications transaction half duplex The slave ends the transaction by responding to the master s query The protocol uses an RS 232 serial interface with the default parameters 9600 baud 1 start bit 8 data bits 1 stop bit and no parity NOTE Before the circulator will communicate RS 232 must be turned on in the controller s Setup Loop The circulator can be controlled through your computer s serial port by using a standard 9 pin RS 232 connection on the rear of the temperature controller Data transmit of the computer s serial port connects to data read pin 3 of the bath Data read of the computer s serial por
17. Thermo Scientific ULT 80 amp ULT 95 Low Temperature Bath Circulators Thermo Scientific Manual P N U00487 Rev 07 08 2015 Installation Operation Visit our Web site at http www thermoscientific com tc Product Service Information Applications Notes MSDS Forms e mail Voice Info 800 258 0830 Thermo Part of Tharrma Fisher Sciantific SCIENTIFIC Thermo Scientific ULT 80 amp ULT 95 Low Temperature Bath Circulators Thermo Scientific Manual P N U00487 Rev 07 08 2015 Installation Operation Visit our Web site at http www thermoscientific com tc Product Service Information Applications Notes MSDS Forms e mail Voice Info 800 258 0830 Thermo Fisher Scientific Sales Service and Customer Support 25 Nimble Hill Road 25 Nimble Hill Road Newington NH 03801 Newington NH 03801 Tel 800 258 0830 or Tel 800 258 0830 603 436 9444 Sales 8 00 am to 5 00 pm Fax 603 436 8411 Service and Support 8 00 am to 6 00 pm Monday www thermoscientific com tc through Friday Eastern Time Fax 603 436 8411 setvice tc us thermofisher com Dieselstrasse 4 D 76227 Karlsruhe Germany Tel 49 0 721 4094 444 Fax 49 0 721 4094 300 info tc de thermofisher com Building 6 No 27 Xin Jingiao Rd Shanghai 201206 Tel 86 21 68654588 Fax 86 21 64457830 info china Q thermofisher com Statement of Copyright Copyright O 2015 Thermo Fisher Scientific All rights reserved
18. and Command byte see Table 1 n d bytes Number of data bytes to follow 00 to 03 hex d byte 1 1 data byte the qualifier byte is considered a data byte d byte n n data byte Checksum Bitwise inversion of the 1 byte sum of bytes beginning with the most signifi cant address byte and ending with the byte preceding the checksum To perform a bitwise inversion exclusive OR the one byte sum with FF hex The master requests information by sending one of the Read Functions as shown in Table 1 Since no data is sent to the bath during a read request the master uses 00 for the number of data bytes following the com mand byte The bath will respond to a Read Function by echoing the lead character address and command byte followed by the requested data and checksum When the bath sends data a qualifier byte is sent first followed by a two byte signed integer 16 bit MSB sent first The qualifier byte indicates the precision and units of measure for the requested data as detailed in Table 2 As an example the master requests to read internal temperature by sending The checksum is the bitwise Z inversion of 21 00 01 20 00 CA 00 01 20 00 DE 0 bytes of data commandbyte byte values are in hex If the temperature is 10 5 C the bath would reply The qualifier byte of 11 indicates a precision of 1 decimal point and units of C The temperature of 10 5 C is 105 decimal FF97 hex commandbyte N y CA 00 01 20
19. e circulator To prevent offsets that result from ground currents the analog and power grounds are only connected at the circulator s power supply Analog ground should only be used as a reference Temperature Out The fluid temperature as measured by the controller s sensor located in the reservoir can be read at this pin The temperature scale is 10mV C referenced to analog ground pin 6 example 150mV 15 0 C Noconnection Power Ground 5V RTN Noconnection 5V Power supply of 5VDC 15mA maximum Setpoint In The temperature setpoint can be controlled by applying a known voltage to this pin The temperature scale is 10mV C referenced to analog ground pin 6 example 230 23 0 C Note The setpoint is updated only when the voltage represents a temperature within the setpoint limits The analog setpoint signal Setpoint In is enabled using the circulator s software Using the Setup Loop discussed on pages 12 14 keep depressing the NEXT ENTER key until SP is displayed Use the YES or NO key to display the desired mode AnA for analog or LoC for local then press NEXT ENTER twice to continue with the loop NOTE The last value entered is maintained when SP is changed from AnA to LOC or LOC to AnA Store the changes x75 Section V Maintenance amp Troubleshooting Service Contracts Cleaning Rust Checklist Service Contracts are designed to provide extended life and minimal down time
20. e responsible for any evaluation or warranty service call including labor charges if no defects are found with the Thermo Scientific product This warranty does not cover any circulator that has been subject to misuse neglect or accident This warranty does not apply to any damage to the circulator that is the result of improper installation or maintenance or to any circulator that has been operated or maintained in any way contrary to the operating or maintenance instructions specified in this Instruction and Operation Manual This warranty does not cover any circulator that has been altered or modified so as to change its intended use In addition this warranty does not extend to repairs made by the use of parts accessories or fluids which are either incompatible with the circulator or adversely affect its operation performance or durability Thermo Fisher Scientific reserves the right to change or improve the design of any circulator without assuming any obligation to modify any circulator previously manufactured THE FOREGOING EXPRESS WARRANTY ISIN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTIES OR MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OUR OBLIGATION UNDER THIS WARRANTY IS STRICTLY AND EXCLUSIVELY LIMITED TO THE REPAIR OR REPLACEMENT OF DEFECTIVE COMPONENT PARTS AND Thermo Fisher Scientific DOES NOT ASSUME OR AUTHORIZE ANYONE TO ASSUME FOR IT ANY OTHER OBLIGATION Thermo Fis
21. es upward for setting numeric values NO This dual purpose key is used to answer no to YES NO questions or to decrement numerical values downward for setting numeric values The YES key increments the value The NO key decrements the value The display will flash as soon as either key is depressed and will continue to flash until the NEXT ENTER key is pressed twice to accept the new value The new value will not be used by the controller until the NEXT ENTER key is depressed twice and the display stops flashing NOTE If the ENTER key is not depressed twice within 10 seconds the controller will time out and the new value will not be accepted The controller will revert to the previous setpoint value An alphanumeric display presents numeric readings of various operating conditions within the bath Display function is selected by pressing the appro priate keys to move through a menu of available information When the controller is first powered up it performs a quick self test then enters the Operator s Loop The Operator s Loop displays the bath tempera ture and is used to change the setpoint see Figure 1 on next page The Setup Loop can be accessed from the Operator s Loop by pressing and holding the key combinations shown on Figure 1 The Setup Loop is used to adjust the controller s PID parameters select the internal or external sensor select a remote setpoint source and set the high low temperature limits It is also used to se
22. f cooling capacity It is important to keep the distance between the circulator and your applica tion as short as possible and to use the largest diameter tubing practical Tubing should be straight and without bends If reductions must be made make them at the inlet and outlet of your application not at the circulator If substantial lengths of cooling lines are required pre filled the lines with cooling fluid before connecting them to the circulator Do not use flammable or corrosive fluids with this circulator The selected cooling fluid should have a viscosity of 50 centistokes or less at the lowest operating temperature When operating below 8 use a non freezing fluid Never run the circulator when the bath is dry Fill the bath to within inch of the top plate Low fluid level in the bath can cause serious damage to the pump and the reservoir heater Always maintain the level to within 34 inch of the top plate When pumping to an external system be sure to have additional bath fluid on hand to compensate for the loss of volume to that system Flow Control A Nitrogen Purge Drain ULT 80s are equipped with a flow adjustment control knob The knob is located directly in front of the control panel on the right side When shipped the flow is completely off Check that flow is off before starting To start flow turn the knob in a counterclockwise direction until desired flow is obtained Full flow is obtained
23. for your circulator For more information contact our Service Depart ment Periodically inspect the reservoir If cleaning is necessary flush the reservoir with a cleaning fluid compatible with both the circulating system if applicable and the cooling fluid Do not use steel wool its too abrasive and will lead to rusting Dry the bath using a soft cloth Also cooling fluid should be replaced periodically when operating at low temperatures Moisture concentration in cooling fluid will increase with time leading to a build up of ice on the cooling coil Raise the temperature of the bath to deice the cooling coil Shut the circulator off and replace the cooling fluid Periodic vacuuming of the condenser fins is necessary The frequency of cleaning depends on the operating environment We recommend a monthly visual inspection of the condenser after initial installation After several months the frequency of cleaning will be established Stainless steel will rust if not properly used and maintained Any damage such as scratching or pitting can cause rusting The stainless steel parts exposed to bath fluids should be thoroughly cleaned periodically Circulator Will Not Start Check High Temperature Low Level cutout see Section IV High Temp Low Level Cutout Check all circuit breakers Check power source for correct voltage output Check line cord wiring see Section III Electrical Requirements 18 Loss of Cooling Capaci
24. he appropriate error message will flash see page 15 The circulator will not shut down unless the temperature exceeds the high temperature safety setting see page 15 You will also receive an error code if the optional external sensor is selected but it is not installed 12 v GO TO OPERATOR S LOOP tUnE Tune HEAt Heat PID Parameters Pro Proportional Band factory value 1 5 Int Integral factory value 0 75 repeats per minute dEr Derivative factory value 0 05 minutes rtd Sensor 1 Internal 2 External SP Remote setpoint source see page 17 2 soe A Hit High Temperature Limit 2 5 Y YES Pro E ZA XXX AA 2 N 9 is e tuf PN ENTER ENTER Y int XX X ENTER YES dEr gt XX X Y NO ZN K 0 Net S ENTER ENTER 5 A J 2 YES fom gt 1 NO P a 2x ENTER ENTER Kx YES gt X d LOC NO NEXT A e 0 Y ENTER ENTER HiT CONTINUED ON NEXT PAGE Figure 2 Setup Loop 1 of 2 243 CONTINUED FROM PREVIOUS PAGE Hit High Temperature Limit HiT A gt XXX Lot Low Temperature Limit Z d 1 1232 RS2
25. her Eu CIO SCIENTIFIC Newington NH 03801 DECLARATION OF CONFORMITY Manufacturer Thermo Fisher Scientific Address 25 Nimble Hill Road Newington NH 03801 We declare that the equipment named below has been designed to comply with the relevant sections of the below referenced specifications and is in accordance with the requirements of the indicated directives Product Ultra Low Temperature Bath Circulators for Process Fluids Models ULT 80 ULT 95 Directives and Standards 2004 108 EC x Electromagnetic Compatibility Directive EMC e EN 61326 1 2013 Electrical equipment for measurement control and laboratory use EMC requirements General requirements 2006 95 EC Low Voltage Directive LVD EN 61010 1 2010 Safety for electrical equipment for measurement control and laboratory use Part 1 General requirements e EN 61010 2 010 2003 Safety requirements for electrical equipment for measurement control and laboratory use Part 2 010 Particular requirements for laboratory equipment for the heating of materials 2011 65 EU Restriction of the use of certain hazardous substances in electrical and electronic equipment e EN 50581 2012 Technical documentation for the assessment of electrical and electronic products with respect to the restriction of hazardous substances Authorized representative in the EC Name Thermo Fisher Scientific Address Dieselstrasse 4 76227 Karlsruhe Germany On behalf of
26. her Scientific ASSUMES NO RESPONSIBILITY FOR INCIDENTAL CONSEQUENTIAL OR OTHER DAMAGES INCLUDING BUT NOT LIMITED TO LOSS OR DAMAGE TO PROPERTY LOSS OF PROFITS OR REVENUE LOSS OF THE CIRCULATOR LOSS OF TIME OR INCONVENIENCE This warranty applies to chillers sold by Thermo Fisher Scientific Refer to the warranty for baths sold by the af filiated marketing company of Thermo Fisher Scientific for any additional terms This warranty and all matters arising pursuant to it shall be governed by the law of the State of New Hampshire United States All legal actions brought in relation hereto shall be filed in the appropriate state or federal courts in New Hampshire unless watved by Thermo Fisher Scientific Thermo Fisher Scientific 81 Wyman Street P O Box 9046 Waltham Massachusetts 02454 9046 United States www thermofisher com
27. lect and configure RS 232 operation See Figure 2 on pages 13 14 Operator s Loop When the controller is first powered up it enters the Operator s Loop displaying reservoir fluid temperature Press the NEXT ENTER key to view the setpoint SP displays the controller setpoint The display will flash between SP and the actual setpoint number Use the YES NO keys to change the setpoint value Once the desired setpoint is displayed press the NEXT ENTER key twice NOTE If the bath is controlled via RS 232 communications the setpoint can not be changed from the keypad HOLD GO TO SETUP NEXT LOOP GQ NEXT NEXT _ 7 ENTER 2 Fluid Temperature ENTER Figure 1 Operator s Loop Setup Loop The Setup Loop is used to adjust the controller s PID parameters select the internal 1 or external 2 sensor select a remote setpoint source set the high low temperature limits and select and configure RS 232 operation Enter the Setup Loop from the Operator s Loop by pressing and holding the NO key then press the NEXT ENTER key Use the YES NO keys to adjust the values Press the NEXT ENTER key twice to accept the new value While in the Setup Loop if any key is not pressed during a one minute time span the controller will automatically return to the Operator s Loop tempera ture display NOTE If the circulator exceeds either temperature limit t
28. nd side panels for easy access to the compressors and springs In addition to the safety warnings listed above warnings are posted throughout the manual These warnings are designated by an exclamation mark inside an equilateral triangle with text highlighted in bold print Read and follow these important instructions Failure to observe these instructions can result in permanent damage to the circulator significant property damage personal injury or death Description Specifications Temperature Range Temperature Stability Cooling Capacity Work Area Dimensions L x W x D Inches Centimeters Compressor Heater Working Volume Gallons Liters Circulator Dimensions H x W x D Inches Centimeters Weight Pounds Kilograms Pump Pump Head 60 Hz 50 Hz Flow 60 Hz 50 Hz Section 11 General Information The Thermo Scientific ULT 80 and ULT 95 are self contained refrigerated bath circulators The circulators consist of a circulating pump heater stain less steel reservoir microprocessor temperature controller and a cascade configuration air cooled refrigeration system The refrigeration control is independent of the main power switch so that the compressor may be turned off to allow fast warm up The automatic load reset feature compensates the proportioning for changes in the bath load thereby eliminating shifts in setpoint accuracy ULT 80 ULT 95 80 C to 10 C 90 to 30 C 0
29. or high temperature circulators the refrigeration automatically shuts down above 35 C The light in the REFRIGERATION ON OFF switch will also extinguish If rapid cool down is needed above 35 immerse a tap water cooling coil into the reservoir Either of these methods can also be used to increase stability Once the cooling system has been turned off it should remain off for approxi mately 10 minutes before attempting to restart Failure to allow this time for pressure equalization within the refrigeration system could cause the com pressors to cycle on their overloads The microprocessor controller maintains temperature using a Proportional Integral Derivative PID algorithm It is designed with self diagnostic features and easy to use operator interface The controller s HEAT indicator shows the status of the heater The HEAT indicator is lit when the heater is on The HEAT indicator flashes when the heater is pulsating HEAT REMOTE SENSOR 10 Changing a Value Controller Displays The REMOTE indicator illuminates whenever the circulator is configured to accept a remote setpoint The controllers SENSOR indicator illuminates whenever the external sensor is selected See Controller Displays on the next page NEXT ENTER Use this key to scroll forward through the menus and also to accept and save changes YES A This dual purpose key is used to answer yes to YES NO questions or to increment numerical valu
30. ppendix B Programming Software The Thermo Fisher Scientific Communications Software is a user friendly software that allows you to automate your temperature control process The software includes a 31 2 disk comprehensive operator s manual and a toll free number to a trained technical staff NEScom Software allows you to write custom temperature programs for our Digital or Microprocessor based temperature control apparatus Choose upper or lower temperature limits and monitor system status with an alarm NEScom can also record your results on a user selectable graph NesCom must be used with an IBM or 10096 compatible computer Select from easy to use product icons Create graphs and charts Easily configure ramping functions which set the setpoint over time View pop up alarm windows which display if an alarm condition occurred View Program Alarms Indicators Options Window Help ontrolle NC Protocol A Open Workspace MICROprocessor Bath MRS 232C RS 232C Properties Cntl Enter Delete Shift Del RTE EX Digital NC Save Save As Print gt Exit v lt P Select software functions from the easy to use pulldown menus RMTSPT IDLE LEVEL COOL RESET A View a virtual controller screen which allows remote monitoring and operation of product control panel 30 ThermoFis
31. return to the Calibration Loop and enter the reference thermometer reading at either the r1L or r2L prompt Store the change Do not pick points that are outside the safe operating limits of the circulator and the fluid in your application Analog In calibration is done by applying a 10 000Vdc signal for AiH and a 0 000Vdc signal for AiL Reference the appropriate pins on the ACCESSORY connector Analog Out calibration is done by measuring the appropriate pins on the ACCESSORY connector Adjust the AoH to 1 000Vdc using the YES and NO keys then press ENTER twice Adjust the AoL to 0 000Vdc using the YES and NO keys then press ENTER twice 24 rtdn 1 Internal sensor n 2 external sensor rnH High temperature rdtn rnL Low temperature J IR Ain Analog in 6 Aout Analog out B E ES Stor Store v YES i 7 e NO YN S e O NS NEXT d 4 coio NEXT p ENTER ENTER OPERATORS Y Y LOOP A ES A rnL gt RR 2 E d YES IA NC A e NO CON Y ON S 2 X _ ENTER ENTER Y A Ain 10 0 EN N NO S L N ve e N ub NEXT E ENTER ENTER Y x e AiL 0 0 2 w NO f hc JUN pM ENTER ENTER 1 AY 7 f e N NO ITN SS e e So x 4 NEXT NEST N ENTE
32. sk of electrical shock by grounding appropriate metal parts The protection will not function unless the power cord is connected to a properly grounded outlet It is the user s responsibility to assure a proper ground connection is provided Refer to the serial number label on the rear of the circulator to identify the specific electrical requirements Make sure the voltage of the power source meets the specified voltage 10926 Plumbing Requirements Fluids Filling Requirements Before installing the circulator to an instrument that previously used tap water as a cooling fluid flush the instrument several times to remove any rust or scale that has built up The manufacturer of the instrument should be able to recommend a cleaning fluid for their equipment The inlet outlet connections are located on the right side of the control box These connections are 7 O D stainless steel serrated pipes which will accept or I D tubing Connect the pump inlet to the outlet of the external system Connect the outlet to the inlet of the internal system Ensure plugs are installed on the inlet outlet if you are not circulating to an external system Flexible tubing if used should be of heavy wall or reinforced construction Make sure all tubing connections are securely clamped Avoid running tubing near radiators hot water pipes etc If substantial lengths of tubing are necessary insulation may be required to prevent loss o
33. t connects to the data transmit pin 2 of the bath Data to computer Data Transmit 2 Data from computer Data Read 3 NESLAB Controller RS232 Port Signal Ground 5 9 pin female D connector Cable Communication cables are available Contact our sales department for additional information All commands must be entered in the exact format shown in the tables on the following pages Table 1 shows all commands available their format and responses Controller responses are either the requested data or an error message The controller response must be received before sending the next command The host sends a command embedded in a single communications packet then waits for the controller s response If the command is not understood or the checksums do not agree the controller responds with an error command Otherwise the controller responds with the requested data If the controller fails to respond within 1 second the host should re send the command 26 NC Serial Communications Protocol NOTE All byte values are shown in hex hex represents the binary values that must be sent to the bath Do not use ASCII The framing of the communications packet in both directions is Checksum region CA 00 01 Lead char CA hex Device address is 1 Adar msb Most significant byte of device address is 00 hex Adar Isb Least significant byte of device address is 01 hex Comm
34. the manufacturer ea 9015 3 Mark Sinclair R amp D Director Laboratory Equipment Division Thermo Fisher Scientific Newington NH USA DofC 098256 1 Form 094233 P DWG 098256 Rev 14 Sept 11 Warranty Thermo Fisher Scientific warrants for 12 months from date of shipment any Thermo Scientific product according to the following terms Any part of the circulator manufactured or supplied by Thermo Fisher Scientific and found in the reasonable judg ment of Thermo Fisher to be defective in material or workmanship will be repaired at an authorized Thermo Fisher Repair Depot without charge for parts or labor The circulator including any defective part must be returned to an authorized Thermo Fisher Repair Depot within the warranty period The expense of returning the circulator to the authorized Thermo Fisher Repair Depot for warranty service will be paid for by the buyer Our responsibility in respect to warranty claims is limited to performing the required repairs or replacements and no claim of breach of warranty shall be cause for cancellation or recision of the contract of sales of any circulator With respect to circulators that qualify for field service repairs Thermo Fisher Scientific s responsibility is limited to the component parts necessary for the repair and the labor that is required on site to perform the repair Any travel labor or mileage charges are the financial responsibility of the buyer The buyer shall b
35. ty Check cooling capacity specifications see Section II Specifications Check temperature setpoint Check to ensure that external heat load has not overcome the cooling capacity at the desired working temperature If the circulator starts and no cooling occurs listen for a clicking sound from the inside of the circulator The clicking is an indication of compressor short cycling Check the following for causes of compressor short cycling If the circulator is shut off for any reason allow it to remain off for approxi mately ten minutes before attempting to restart The refrigeration compressor will short cycle if time is not allotted for the equalization of refrigerant pres sures Standard circulators are not designed for high temperature applications If the cooling coils are subjected to temperatures above the maximum high tempera ture for the circulator compressor short cycling will occur For high temperature circulators the refrigeration automatically shuts down above 35 C The light in the switch will also extinguish If the power source is 1096 below the circulator s voltage requirements the compressor will short cycle Check power source for correct voltage output When operating below 8 C a non freezing solution must be added to the bath fluid At low temperature a higher concentration of the non freezing solution is required to prevent ice build up on the circulator s cooling coil This ice build up will act as ins
36. ulation and reduce the cooling capacity Raise the temperature of the bath to deice the cooling coil and increase the concentration of the non freezing solution Also replace the bath fluid periodi cally when operating at low temperatures Moisture concentration in the bath fluid will increase with time leading to ice buildup Circulator Will Not Heat Check the temperature setpoint to be certain that it is at your desired temperature see Section IV Operator s Loop Check the circulator configuration in the controller s Setup Loop 19 Service Assistance Technical Support No Temperature Control If recirculating to an external system do not exceed the cooling capacity of the circulator Exceeding the circulator s cooling capacity results in a loss of temperature control No External Circulation On ULT 80s make certain adjustable Flow Control is open turn counter clockwise Check for plug in external system line Recirculation will cease when pump head pressure is exceeded Review pump specifications see Section Il Specifications Noserial communications All circulators are tested for serial communications before they leave the factory Ensure the REMOTE indicator on the controller is illuminated Check all communications commands they must be exact See Appendix A Check communications settings The protocol uses an RS 232 serial interface with the parameters 9600 baud 8 data bits 1 stop bit and no parity
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