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68

 

12 Troubleshooting

 

1

2

 

Troubleshooting

 

This section contains information on troubleshooting, CE Comments, and a 

wiring diagram. This information pertains to a number of bath models and cer- 

tain specifics may not pertain to your model.

 

1

2

.1 

Troubleshooting

 

In the event that the instrument appears to function abnormally, this section 

may help to find and solve the problem. Several possible problem conditions 

are described along with likely causes and solutions. If a problem arises, please 

read this section carefully and attempt to understand and solve the problem. If 

the probe seems faulty or the problem cannot otherwise be solved, contact 

Amphenol Advanced Sensors Customer Service for assistance. Be sure to have 

the instrument model  number, serial number, voltage, and problem description 

available.

 

The heater indicator LED stays red 

but the temperature does not 

increase

 

If the display does not show “

Cut-out

” nor displays an incorrect bath 

temperature, and the controller otherwise appears to operate normally, 

the problem may be insufficient heating, no heating at all, or too much 

cooling.

 

•

The heater power setting being too low, especially at higher operating 

temperature

•

One or more burned out heaters or blown heater fuses may also cause

this problem. If the heaters seem to be burned out, contact Amphenol 

Advanced Sensors Customer Service for assistance.

Содержание Kaye CTR-40

Страница 1: ...M4436 Rev B 12 19 Kaye CTR 40 Cold Temperature Reference User s Guide...

Страница 2: ......

Страница 3: ...ol Thermometrics Inc All rights reserved Technical content subject to change without notice Kaye CTR 40 Cold Temperature Reference User s Guide M4436 Rev B 12 19 Amphenol Advanced Sensors www amphenol...

Страница 4: ...will be returned to Buyer transportation prepaid FOB Destination If KAYE determines that failure was caused by neglect misuse contamination alteration accident or abnormal condition of operation or ha...

Страница 5: ...3 3 After Warranty Repairs 11 3 3 4 Equipment Maintenance Agreements 11 3 3 5 Customer Support 11 3 3 6 Customer Support Agreement 12 3 3 7 Customer Site Assistance 12 4 Quick Start 13 4 1 Unpacking...

Страница 6: ...stics Charts 27 7 1 11 1 Limitations and Disclaimer 27 7 1 11 2 About the Graph 28 7 2 Stirring 30 7 3 Power 30 7 4 Heater 31 7 5 Temperature Controller 31 7 6 Refrigeration 32 8 Controller Operation...

Страница 7: ...d 50 8 14 3 Duplex Mode 51 8 14 4 Linefeed 51 8 15Calibration Parameters 52 8 15 1 CTO 52 8 15 2 CO and CG 52 8 15 3 H and L 52 8 15 4 HGbt 53 9 Digital Communication Interface 55 9 1 Serial Communica...

Страница 8: ...iii 11 Maintenance 66 12 Troubleshooting 68 12 1 Troubleshooting 68 12 2 Comments 71 12 2 1 EMC Directive 71 12 2 2 Low Voltage Directive Safety 71 12 3 Wiring Diagram 72...

Страница 9: ...imum Fill Levels 19 Figure3 FrontPanel 21 Figure4 ChartofVariousBathFluidsandTheirProperties 29 Figure5 Controller Operation Flowchart 36 Figure6 Bath Temperature Fluctuation At Various Proportional B...

Страница 10: ...ous Bath Fluids and Their Properties 28 Table3 Program Mode Setting Actions 42 Table4 Typical Proportional Band Settings for Various Fluids 45 Table5 Interface Command Summary 59 Table5 Interface Comm...

Страница 11: ......

Страница 12: ...f these symbols may be used on the instrument or in this manual Table 1 International Electrical Symbols Symbol Description AC AlternatingCurrent AC DC Battery ComplieswithEuropeanUniondirectives DC D...

Страница 13: ...instrument being used 1 2 1 Warnings To avoid personal injury follow these guidelines GENERAL DO NOT use the instrument for any application other than calibration work The instrument was designed for...

Страница 14: ...r use only BURN HAZARD Extremely cold temperatures may be present in this equipment Freezer burns and frostbite may result if personnel fail to observe safety precau tions High temperatures may be pre...

Страница 15: ...MUST BE INSTALLED ON THE BACK OF THE BATH BEFORE ATTEMPTING TO FILL THE TANK WITH FLUID See Section 5 3 page 17 for drain installation instructions Always operate this instrument at room temperature b...

Страница 16: ...llow them to be dropped struck stressed or overheated COLD BATHS Refrigerated baths require that the condensing coil be cleaned periodi cally Accumulation of dust and dirt on the condenser will result...

Страница 17: ...1 Before You Start 6 Voltage Cut In 7 5 213 247 VAC...

Страница 18: ...the many operating functions User interface is provided by the 8 digit LED display and four key switches Digital remote communications is standard with an RS 232 interface The CTR 40 bath was designed...

Страница 19: ......

Страница 20: ...equency prior to energizing the unit Volume 9 2 liters 2 4 gal Weight 35 4kg 78lb Size 305mmWx622mm Dx584mm H 12 x24 5 x23 W x D x H Safety Refrigeration R 410A single stage Interface Package RS 232 i...

Страница 21: ...urned to our facility in St Marys Pennsylvania European warranty returns are sent to Pforzheim Germany Repairs necessitated by misuse of this product are not covered by this warranty No other warranti...

Страница 22: ...will be charged in lieu of the fixed repair price upon customer request or if extensive repairs are required Customers are requested to obtain a return authorization number prior to re turning any in...

Страница 23: ...hone or FAX technical assistance for installation or program development Contact the Cus tomer Service Department for details 3 3 7 Customer Site Assistance Amphenol Advanced Sensors can provide optio...

Страница 24: ...ill the tank with fluid See Section 5 3 page 17 for drain in stallation instructions Warning The instrument is equipped with a soft cutout user settable firm ware and a hard cutout set at the factory...

Страница 25: ...of the manual concerning brown out and over voltage protection Check the back panel label for the correct voltage and frequency prior to energizing the unit Turn the bath on using the front panel POWE...

Страница 26: ...rnier Current vernier value Press EXIT and the bath temperature will be displayed again E Returntothetemperaturedisplay Bath temperature display The bath heats or cools until it reaches the new set po...

Страница 27: ......

Страница 28: ...energized for a dry out period of 2 hours be fore it can be assumed to meet all of the safety requirements of the IEC 1010 1 If the product is wet or has been in a wet environment take necessary measu...

Страница 29: ...ycol water Mineral oil Silicone oil Fluids are discussed in detail in Section 7 1 Heat Transfer Fluid on page 23 Remove any access hole cover from the bath and check the tank for foreign matter dirt r...

Страница 30: ...l Levels 5 4 Power With the bath power switch off plug the bath into an AC mains outlet of the appropriate voltage frequency and current capacity Refer to Section 3 1 Specifications for power details...

Страница 31: ...ntrol buttons SET DOWN UP and EXIT are used to set the bath temperature set point access and set other operating parameters and access and set bath calibration parameters A brief description of the fu...

Страница 32: ......

Страница 33: ...temperature The control probe is a precision platinum resistance thermometer PRT It is delicate and must be handled carefully The probe is placed in the small hole in the top of the bath so that the p...

Страница 34: ...ensed fluid dripping into the bath from the lid The bath temperature should be limited by setting the safety cutout see Section 8 10 Cutout or the high limit see Section 8 15 Calibration Parameters so...

Страница 35: ...volume as the bath temperature increases may cause overflow It may be dangerous to permit the fluid to overflow the tank It may also cause loss of valuable bath fluid Excessive thermal expansion may...

Страница 36: ...n gel ling or chemical break down Often the degradation becomes significant near the upper temperature limit of the fluid substantially reducing the fluid s lifetime 7 1 8 Safety When choosing a fluid...

Страница 37: ...st its availability and its excel lent temperature control characteristics Water has very low viscosity and good thermal conductivity and heat capacity which make it among the best fluids for good con...

Страница 38: ...Fluid Characteristics Charts Table 2 and Figure 4 on pages 28 and 29 have been created to provide help in selecting a heat exchange fluid media for your constant temperature bath These charts provide...

Страница 39: ...0 C 50 150 C 0 420 200 C Silicone Oil Type 30 C v 278 C fl cc 280 C 50 25 C 0 96 25 C 0 4 0 00037 25 C 0 00104 1000 25 C 200 50 5014 50 150 C SiliconeOilType550 70 C v 230 C fl cc 232 C 50 70 C 1 07 2...

Страница 40: ...shaded bands indicate the fluids general range of application Qualities includ ing pour point freeze point important viscosity points flash point boiling point and others may be shown Freezing Point...

Страница 41: ...r evaporation is excessive Large amounts of heater power may be required to maintain the temperature because of the heat of vaporization Decomposition The temperature may reach a point at which decomp...

Страница 42: ...that controls the amount of power applied to the bath heater The bath is opera ble within the temperature range given in the specifications For protection against a solid state relay failure or other...

Страница 43: ...turned off HGb off pro viding more cooling capacity When the bath is cooled from temperatures below the cutoff point to 0 C and if the new set point is at least 2 C below the current bath temperature...

Страница 44: ...e hot gas by pass would normally be on When using the bath at temperatures below 0 C in an ambient of less than 23 C a small benefit to stability may be realized by using the hot gas by pass The refri...

Страница 45: ......

Страница 46: ...ure in degrees Celsius The temperature display function may be accessed from any other function by pressing the EXIT button 8 2 Reset Cutout If the over temperature cutout has been triggered then the...

Страница 47: ...Calibration Menu SET X 5 CTO SET EXIT C0 MANUAL SET EXIT CG SEE SET EXIT UE S AL V H THESE SET EXIT CHANGE L T NO SET EXIT DO HGbt SET EXIT Adj bt SET EXIT Figure 5 Controller Operation Flowchart DO...

Страница 48: ...the liquid In addition the cutout temperature should also be set below the upper limit of the fluid Setting the bath temperature involves three steps 1 selecting the set point memory 2 adjusting the...

Страница 49: ...Acceptnewset pointvalue 8 3 3 Set point Vernier The user may want to adjust the set point slightly to achieve a more precise bath temperature The set point vernier allows one to adjust the temperatur...

Страница 50: ...function Scan function off Press UP or DOWN to toggle the scan on or off Scan function on Press SET to accept the present setting and continue S Accept scan setting 8 4 2 Scan Rate The next function...

Страница 51: ...Press SET to accept the new selection and resume displaying the bath temperature S Setthenewunitsandresumetemperaturedisplay 8 6 RampandSoakProgram The ramp and soak program feature allows the user t...

Страница 52: ...points Third set point Press SET to be able to change the set point Set point value Use UP and DOWN to change the set point value New set point value Press SET to save the new set point value The othe...

Страница 53: ...e cycle indefinitely Table 3 below shows the action of each of the four program mode settings 1 up stop 2 up down stop 3 up repeat 4 up down repeat Program mode Use the UP or DOWN buttons to change th...

Страница 54: ...ser can tell if the bath is heating up to the set point cooling down or controlling at a constant temperature Monitoring the percent heater power lets the user know the stability of the bath temperatu...

Страница 55: ...m Proportional Band Figure6 BathTemperatureFluctuationAtVariousProportionalBandSettings The optimum proportional band width depends on several factors among which are fluid volume fluid characteristic...

Страница 56: ...C Eth Gly 50 100 C 0 4 C 0 010 C Oil200 10cs 35 C 0 6 C 0 004 C Oil200 10cs 60 C 0 6 C 0 004 C Oil200 10cs 100 C 0 6 C 0 004 C Oil 710 200 C 0 4 C 0 008 C The proportional band adjustment may be acce...

Страница 57: ...ive bath temperature power to the heater is shut off and the bath cools The bath cools until it reaches a few de grees below the cutout set point temperature At this point the action of the cut out is...

Страница 58: ...rns to displaying the temperature see Figure 5 on page 36 Controller Operation Flowchart 8 12 Probe Parameters The probe menu is indicated by Probe parameters menu Press SET to enter the menu The prob...

Страница 59: ...tor The parameter is indicated by Cutout reset mode parameter Press SET to access the parameter setting Normally the cutout is set for au tomatic mode Cutout set for automatic reset To change to manua...

Страница 60: ...helps improve temperature stability in the bath and reduces energy consumption The HGb system is normally in the automatic mode which switches on reducing capacity when at set points above 0 C When th...

Страница 61: ...d rate parameter is indicated by Serial baud rate parameter Press SET to choose to set the baud rate The current baud rate value will then be displayed Current baud rate The baud rate of the bath seri...

Страница 62: ...via the serial interface are immediately echoed or transmitted back to the device of origin With half duplex the commands are executed but not echoed The du plex mode parameter is indicated by Serial...

Страница 63: ...s The correct setting of these parameters is im portant to the safety and proper operation of the bath The calibration parameters menu is indicated by Calibration parameters menu Press SET five times...

Страница 64: ...8 15 4 HGbt This parameter is the temperature where the hot gas bypass activates This pa rameter is factory set To insure the bath s best performance without damaging its compressor DO NOT alter the...

Страница 65: ......

Страница 66: ...r functions all using remote com munications equipment In addition the cooling may be controlled using the interface To control the cooling with the interface the cooling power switch must be ON 9 1 S...

Страница 67: ...e both buttons to enter the Instrument Connector DB 9 Pin 1 NC 2 RxD 3 TxD 4 NC 5 GND 6 NC 7 RTS 8 CTS 9 NC Computer DTE Connector DB 25 Pin 2 TxD 3 RxD 4 RTS 5 CTS 6 DSR 7 GND 8 DCD 20DTR secondary m...

Страница 68: ...t and skip to the next parameter 9 1 2 4 Linefeed The final parameter in the serial interface menu is the linefeed mode This pa rameter enables On or disables OFF transmission of a linefeed charac ter...

Страница 69: ...and 60 C the refrigeration is in the hot gas bypass or reduced cooling mode Below 0 C the refrigeration is in the high cooling mode the hot gas by pass is turned off automatically When the bath is co...

Страница 70: ...eesper minute sr ate n sr 5 0 001 to 5 000 C min 0 002to9 000 F min Read temperature t emperature t t 9999 99 Cor t 55 69C F Readtemperatureunits u nits u u x u c Set temperature units u nits c f C or...

Страница 71: ...1 Probe Menu ReadR0calibrationparameter r 0 r r0 999 999 r0 100 578 SetR0calibrationparameter ton r 0 n r 100 324 98 0to104 999 ReadALPHAcalibrationparameter al pha al al 9 9999999 al 0 0038573 Set AL...

Страница 72: ...b Auto Set HGb mode hg b of f on au to On Off Auto SetHGbmodetoOff SetHGbmodetoOn SetHGbmodetoAuto Read low set point limit value hg b of f hg b on hg b au to tl ow hg of hg on hg au tl tl 999 tl 40 S...

Страница 73: ......

Страница 74: ...may achieve an accuracy of 0 03 C over the range 10 to 110 C Choosing 30 C and 70 C may allow the bath to have a better accuracy of 0 01 C over the range 25 to 75 C but outside that range the accurac...

Страница 75: ...80 0 30 0 Compute ALPHA 1 0 00385 80 0 0 157 1 0 00385 30 0 0 086 ALPHA 1 0 00385 0 0038416 80 0 30 0 Figure8 CalibrationExample stored in the future The new values R0 and ALPHA are computed by enter...

Страница 76: ...g the errors again If desired the calibration procedure may be repeated again to further improve the accuracy 10 4 CalibrationExample The bath is to be used between 25 C and 75 C and it is desired to...

Страница 77: ...ve become compromised the break down can occur rap idly Particular attention should be paid to the viscosity of the fluid A sig nificant change in the viscosity can indicate that the fluid is contamin...

Страница 78: ...ed in a manner not in accordance with the equip ment design the operation of the bath may be impaired or safety hazards may arise The over temperature cutout should be checked every 6 months to see th...

Страница 79: ...solve the problem If the probe seems faulty or the problem cannot otherwise be solved contact Amphenol Advanced Sensors Customer Service for assistance Be sure to have the instrument model number ser...

Страница 80: ...ensor may be faulty or disconnected Contact Amphenol Advanced Sensors CustomerServiceforassistance Thedisplayflashes cutout andan incorrect process temperature Theproblem maybethatthecontroller svoltm...

Страница 81: ...ed set point Atthisset point thetemperaturedisplayeddoesnotagree withthetemperaturemeasuredbytheuser sreferencethermometerto withinthespecifiedaccuracy Thisproblemmaybecausedbyanactual differenceintem...

Страница 82: ...ck for a damaged probe or poor connection between the probe and bath Intermittentshortsintheheaterorcontrollerelectroniccircuitrymay also be a possible cause Contact Amphenol Advanced Sensors Customer...

Страница 83: ...72 12 Troubleshooting 12 3 Wiring Diagram Figure 9 Wiring Diagram...

Страница 84: ...l Thermometrics Inc St Marys Center 967 Windfall Road St Marys Pennsylvania 15857 U S A T 1 814 834 9140 F 1 814 781 7969 China Amphenol Changzhou Connector Systems 305 Room 5D Jintong Industrial Park...

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