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NESLAB - Chiller City

1. FREON 22 SHOULD NOT BE MIXED W AIR FOR LEAK TESTING IN GEN IT SHOULD NOT BE USED ALLOWED TO BE ING 5 Ingredient Sequence Number 04 NIOSH RTECS Number 9999999Z7Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 4 PRESENT W HIGH CONCS OF AIR ABOVE ATMOSPHERIC PRESS CONT W CHLORINE OTHER STRONG OXIDIZING AGENTS SHOULD ING 6 Ingredient Sequence Number 05 NIOSH RTECS Number 9999999Z7Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 5 ALSO BE AVOIDED Ingredient Sequence Number 06 NIOSH RTECS Number 9999999Z7Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient EFTS OF OVEREXP OVEREXP SKIN CONT W LIQUID MAY CAUSE FRSTBT INDIVIDUALS W PREEXISTING DISEASES OF CNS OR ING 8 Ingredient Sequence Number 07 NIOSH RTECS Number 9999999Z7Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 7 CARDIOVASCULAR SYSTEM MAY HAVE INCREASED SUSCEPTIBILITY TO TOXICITY OF EXCESSIVE EXPOSURES Ingredient Sequence Number 08 NIOSH RTECS Number 9999999Z7Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Other Recommended Limit YN KNONE RECOMMENDED Proprietary NO Ingredient HLTH HAZ RANGING FROM 5 TO 70 INCLUDE EFTS ON CNS LIVER LUNGS KIDNEYS SPLEEN CARDIAC SENSIT DECREASED ING 10 Ingredient Sequence Number 09 NIOSH RTECS Number 99999992Z OSHA PEL NO
2. NESLAB CFT series using TC 200 controller NESLAB Manual P N U00320 Rev 22 June 1999 Service manual NESLAB online Product Service Information Electronic Catalog Applications Notes MSDS Forms e mail Call our bulletin board system 603 427 2490 Contact us for free FirstClass access software Specify Macintosh or Windows Voice Info 800 4 NESLAB Visit our Web page at http www neslabinc com service resources NESLAB ONLINE NESLAB ONLINE is your source for online service data including service bulletins manuals refrigerant charging information calibration instructions and more for all catalog units You can browse the same library our Technical Support representatives use and this is available 24 hours a day 7 days a week Obtain the access software FirstClass Client from sources on the next page or from us Then use it to connect to 603 427 2490 by modem NESLAB OFFLINE NESLAB OFFLINE is a cd rom which contains all the content of NESLAB ONLINE as of Jan 1 1998 This is ideal if you have no modem capability The cd rom works on both Macintosh and Windows computers It also includes FirstClass Client d The EVAPORATOR The EVAPORATOR is our service newsletter It contains service bulletins and information of interest to anyone who maintains NESLAB equipment FirstClass Client for c Macintosh amp FirstClass Client for a WINDOWS 5 pes NESLAB OFFLIN
3. Vapor Pressure MM Hg 70 F 151 PSIG Vapor Density Air 1 3 03 Specific Gravity 1 194 Evaporation Rate And Ref gt 1 Solubility In Water 0 30 WT 25C Percent Volatiles By Volume ING 20 pH NEUT Flash Point NONE Flash Point Method TOC Extinguishing Media AS APPROPRIATE FOR COMBUSTIBLES IN AREA EXTINGUISHANT FOR OTHER BURNING MATERIAL IN AREA IS SUFFICIENT TO STOP 35 BURNING Special Fire Fighting Proc WEAR NIOSH MSHA APPRVD PRESSURE DEMAND SCBA amp FULL PROT EQUIP FP N USE WATER SPRAY FOG TO COOL CONTAINERS Unusual Fire And Expl Hazrds THERMAL DECOMP PRODS MAY INCLUDE CHLORIDES FLUORIDES amp PHOSGENE FP N OTHER BURNING MATLS MAY CAUSE HCFC 22 TO BURN WEAKLY CHLORODIFLUOROMETHANE SUP DAT Stability YES Cond To Avoid Stability AVOID OPEN FLAMES AND HIGH TEMPERATURES Materials To Avoid ALKALI OR ALKALINE EARTH METALS POWDERED AL ZN BE ETC Hazardous Decomp Products HIGH TEMPS OPEN FLAMES GLOWING METAL SURFS ETC FORMING HYDROCHLORIC amp HYDROFLUORIC ACIDS amp POSS CARBONYL SUP DAT Hazardous Poly Occur NO Conditions To Avoid Poly NOT RELEVANT LD50 LC50 Mixture NONE SPECIFIED BY MANUFACTURER Route Of Entry Inhalation YES Route Of Entry Skin YES Route Of Entry Ingestion NO Health Haz Acute And Chronic INHAL OF HIGH CONCS OF VAP IS HARMFUL amp MAY CAUSE IRREGULARITIES UNCONSCIOUSNESS DEATH INTENTIONAL MISUSE DELIBERATE INHAL MAY CAUSE DEATH WITH
4. NESLAB will be performing internal testing to further ensure Year 2000 compliance of these systems In addition NESLAB Instruments is contacting its key vendors suppliers to assess their Year 2000 readiness Summary In summary NESLAB Instruments Inc believes that its products and its internal business systems are currently Year 2000 compliant Customer Commitment NESLAB Instruments recognizes the importance of this issue to our customers If you have additional questions please contact Mr Mike Pratt of our technical support group Nothing in this statement is intended to modify rights and obligations under any agreement or to create any new rights or obligations between NESLAB Instruments and our customers Sincerely James R Allen Vice President Finance Systems amp Administration Mike Pratt 603 430 2245 mike pratt neslabinstruments com 41 US Headquarters NESLAB Instruments Inc P O Box 1178 Portsmouth NH 03802 1178 800 258 0830 603 436 9444 Fax 603 436 8411 West Coast 32970 Alvarado Niles Road Suite 708 Union City CA 94587 800 423 7831 510 429 1890 Fax 510 429 1898 Texas and South Central States 8711 Burnet Road Suite F69 Austin TX 78757 7065 512 459 2167 Fax 512 459 1731 Canada 11 Hamilton Crescent Georgetown Ontario L7G 5J4 905 702 0656 Fax 905 702 0629 Main Service Center European Headquarters The Netherlands NESLAB Instruments Europ
5. 23 lle else SA cecceccecceeeceeeeeeeeeeeeeeeedettttttttrrrP PPEP PPP PRPP PPRP PP PPRPP PPPRP PPRPP PPRPP RPPP PPPRP PRP PPR PP R P aP PP n P Pn R R P n e eeeeeeeeeeeeeeeeeeeeanes 26 Service COMPACTS AegEERKEEEKRRSEEEEEEEEEEEREKEEKAAAAEAAAASREEERRREKEKUEAAAEAEAERERERRRKEKKAAAAEAAAASREEEERREKERAEAAAEAEAASREREERRKEEKAAAAEEAAAEEEEEEEEEEEEEESEEEEEreeER 27 EE 27 IBAMING EE 27 le T EEE E EEE T EET E TTT T TTT HERE 28 PUMP Strane des X X EER E EE EE EE EE EE EE EE EE EE EER 28 Pin Tl OT IE EIC LUC GE 29 Mes el RE 29 Refrigerant data errore PPP EEEEREEEE EE GEGEE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EER EE EE EE EE E RR EER REEE EEEE 30 MSDS form R 134a refrigerant ee 31 MSDS form R22 TemiQenant sccccconesceseeec ESE EE OE GE SKREE RE EE EE EEN RE ER EE RNEER REENEN EER EER EE EE ERK RS ee Ge dee ee edge 33 Service bulletin U00336 CFT75 solenoid valve change iis t eet a e SERERE CERES E ERR EE EE ede oe 38 Service bulletin U00349 CFT33 check capacitor wiring ss ee ee ee ee RA ee ee ee RR RA ee ee ee ee ee ee Reede 39 Yedt 20DO statemelbs s d eee ah aaa EE EE EE 40 Warnings Section I Safety Make sure you read and understand all instructions and safety precautions listed in this manual before installing or operating your unit If you have any questions concerning the operation of your unit or the information in this manual contact our Sales Dep
6. 6 8 6 10 NOS Shipping Name COMPRESSED OR LIQUIFIED GAS NOS TETRAFLUOROETHANE E DUPONT FREON 22 MONOCHLORODIFLUOROM MATERIAL SAFETY DATA SHEET NSN 6830013825105 Manufacturer s CAGE 18873 Part No Indicator A Part Number Trade Name FREON 22 Item Name MONOCHLORODIFLUOROM Company s Name E DUPONT DE NEMOURS amp CO Company s Street 1007 MARKET ST Company s City WILMINGTON Company s State DE Company s Country US Company s Zip Code 19898 Company s Emerg Ph 800 441 3637 800 424 9300 CHEMTREC Company s Info Ph 800 441 9442 Record No For Safety Entry 001 Tot Safety Entries This Stk 003 Status SMJ Date MSDS Prepared 13AUG92 Safety Data Review Date 15MAR95 MSDS Serial Number BXBSX Proprietary NO Ingredient METHANE CHLORODIFLUORO CHLORODIFLUOROMETHANE SARA 313 CERCLA Ingredient Sequence Number 01 Percent 100 NIOSH RTECS Number PA6390000 CAS Number 75 45 6 OSHA PEL 1000 PPM ACGIH TLV 1000 PPM Proprietary NO Ingredient SUP DAT IN THE PRESENCE OF CERTAIN CONCENTRATIONS OF CHLORINE Ingredient Sequence Number 02 NIOSH RTECS Number 999999977 OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE 33 Proprietary NO Ingredient VENT VENTILATION SHOULD BE USED IN LOW OR ENCLOSED PLACES Ingredient Sequence Number 03 NIOSH RTECS Number 99999992Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient OTHER PREC
7. F IF unit does if unit haz hot hawe high temp high Aemp option Option HEAT LI T Td eh H J E QD pj T dp T PO 9 Je IMT XKX A Y e a e DEH PURA to next page Setup loop part 2 I Select e low temperature alarm A c select store changes S TOH changes are changes are forgotten T A Saved OPERATOR 3 LOOP Calibration loop OPERATOR S LOOP Y A A A hole CaL PTO calibrate temp sensor ATO1 typical calibrate at high temp D t M calibrate atlowternp a of e E KAKO Jee ien BTD2 calibrate temp sensor ATOZ calibrate at high temp store changes changes are changes are saved OPERATOR S forgotten LOOP 13 Configuration loop CALIBRATION E M GM hold CONF A SDAN setrange of setpoint 4 high limit D wi LS ID ce select gt we IF equipped with select electric heater select ee Ok OHICOEE IF equipped with Select injector cooling De if ipped with rumen eu ONIOFF Hd store changes STOR F changes are forgotten OPERATOR S LOOP changes are saved Service loop CONFIGURATION LOOP TADA hole service loop ec 6 power if heat on p se Injector temp IF en injector setpoint 7 digital inputs DIN digital outputs s set digital outputs XXX viewisel Tacs v ewiset LEDs unit timer UON hours restart board A KA OPERA TOR S LOOP
8. Mac Download from NESLAB ONLINE Go to Conferences Software Windows AMEXHRrT Online Download from America Online Keyword SoftArc Download from America Online Keyword Softarc Com puServe Download from Compuserve TWEUROPA Teletools FCMAC ZIP Download from Compuserve PCBBS BBS programs FCC300 EXE N Download from World Wide Web http www softarc com Download from World Wide Web http www softarc com Section I Safety Section Il General information Section lll Service Section IV Adjustments Section V Preventive maintenance Section VI Reference Contents AE nele OE ERR RR E 6 After sale SUDDOLL erre rrr rrr rrFPFEEFEFEEERRRRRRRRRRRRRRRRERRERERRERRRRERRERERRERRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRP PP PPP EER E EER E EER 7 8 as EE eMe 7 PYSCOCIMG HOA agin uer 8 Iritertace a E 9 Navidatind Be ee 10 Bale ele le ele EE EE EE ANAA e aii A R E aaee 10 led ele M EE 11 Calibration see IP pE EM E MEET M dM MEUM IM EMEEMM OCET 13 COMMGUPATION Bee EP X X O 14 SL rel uda MM E EIE DARE 15 Displaying SoftWare Le E 16 Drees dl la D 17 Microprocessor jo sie i EE 20 Error CodeS A 21 getakel MR 22 Hestorng factory default EE EE EE EE EES c EE EE EE EE EE EE EE EE EE EE EER EE EE EE EE EER EE EE EE EE EE EE EE EE EE ERA 22 ale Be ee Misono eee CeCe CeCe e Cee Cnn EEE e eee eT
9. PRODUCT SAFETY Preparer s Company DUPONT CHEMICALS Preparer s St Or P O Box POB 80709 CHESTNUT RUN Preparer s City WILMINGTON Preparer s State DE Preparer s Zip Code 19880 0709 MSDS Serial Number BTRLM Specification Number NOT KNOWN Hazard Characteristic Code G3 Unit Of Issue UK Unit Of Issue Container Qty UNKNOWN Type Of Container UNKNOWN Net Unit Weight UNKNOWN Proprietary NO Ingredient 1 1 1 2 TETRAFLUOROETHANE Ingredient Sequence Number 01 Percent 100 NIOSH RTECS Number 1008365TE CAS Number 811 97 2 OSHA PEL NOT ESTABLISHED ACGIH TLV NOT ESTABLISHED Other Recommended Limit NONE RECOMMENDED Appearance And Odor LIQUEFIED GAS SLIGHT ETHEREAL ODOR COLORLESS Boiling Point 16F 27C Melting Point N A Vapor Pressure MM Hg 70 F 96PSIA 25C Vapor Density Air 1 3 60 25C Specific Gravity N A Decomposition Temperature N A Solubility In Water 0 15WT 25C 14 7PSI Percent Volatiles By Volume 100 pH N A Flash Point WILL NOT BURN Lower Explosive Limit N A Upper Explosive Limit N A Extinguishing Media AS APPROPRIATE FOR COMBUSTIBLES IN AREA Special Fire Fighting Proc COOL CYLINDERS W WATER SPRAY SELF CONTAINED BREATHING APPARATUS MAY BE REQUIRED IF CYLINDERS RUPTURE OR RELEASE UNDER FIRE CONDITIONS Unusual Fire And Expl Hazrds CYLINDERS MAY RUPTURE UNDER FIRE CONDITONS DECOMPO MAY OCCUR EXPERIMENTAL DATA HAVE REPORTED COMBUST OF MATL IN PRESENCE OF CERTAIN CON
10. R 134a refrigerant A Material Safety Data Sheet MSDS is designed to provide both workers and emergency personnel with the proper procedures for handling or working with that substance MSDS will include information such as physical data melting point boiling point flash point etc toxicity health effects first aid reactivity storage disposal protective equipment and spill leak procedures These are of particular use if a spill or other accident occurs This Material Safety Data Sheets is provided as a public service It was gathered from a variety of sources Neither NESLAB Instruments Inc nor any of its agents are liable for the accuracy or inaccuracy of the Material Safety Data Sheet You assume the liability for the use of any part of this Material Safety Data Sheet DUPONT E I SUVA COLD MP SUVA 134A MATERIAL SAFETY DATA SHEET FSC 6830 NIIN 00D003276 Manufacturer s CAGE 02348 Part No Indicator A Part Number Trade Name SUVA COLD MP SUVA 134A Company s Name DU PONT E DE NEMOURS amp CO Company s Street 1007 MARKET ST Company s City WILMINGTON Company s State DE Company s Country US Company s Zip Code 19899 Company s Emerg Ph 800 441 7515 800 441 3637 Company s Info Ph 800 441 7515 Record No For Safety Entry 001 Tot Safety Entries This Stk 001 Status SE Date MSDS Prepared 12MAR94 Safety Data Review Date 14JUL94 Supply Item Manager CX MSDS Preparer s Name ENGIN amp
11. VOL amp AIR EXPTL DATA HAVE ALSO BEEN REPORTED WHICH INDICATE COMBUST OF FREON 22 ING 2 36 Trans Data Review Date 95254 DOT PSN Code IIC DOT Proper Shipping Name LIQUEFIED GASES DOT Class 2 2 DOT ID Number UN1058 DOT Label NONFLAMMABLE GAS IMO PSN Code IZR IMO Proper Shipping Name LIQUEFIED GASES NON FLAMMABLE CHARGED WITH NITROGEN CARBON DIOXIDE OR AIR IMO Regulations Page Number 2155 IMO UN Number 1058 IMO UN Class 2 2 2 IMO Subsidiary Risk Label IATA PSN Code PDL IATA UN ID Number 1058 IATA Proper Shipping Name LIQUEFIED GASES IATA UN Class 2 2 IATA Label NON FLAMMABLE GAS AFI PSN Code PDL AFI Prop Shipping Name LIQUEFIED GASES AFI Class 2 2 AFI ID Number UN1058 AFI Label NON FLAMMABLE GAS AFI Basic Pac Ref 6 6 6 8 Label Required YES Technical Review Date 16MAR95 Label Date 16MAR95 Label Status G Common Name FREON 22 Chronic Hazard NO Signal Word WARNING Acute Health Hazard Slight X Contact Hazard Moderate X Fire Hazard None X Reactivity Hazard None X Special Hazard Precautions ACUTE INHALATION OF VAPORS MAY CONTRIBUTE TO THE OCCURRENCE OF IRREGULAR HEART BEAT FP N CONTACT WITH LIQUID MAY NONE SPECIFIED BY MANUFACTURER Protect Eye Y Protect Skin Y Protect Respiratory Y Label Name E DUPONT DE NEMOURS amp CO Label Street 1007 MARKET ST Label City WILMINGTON Label State DE Label Zip Code 19898 Label Country US La
12. both during and after the sale If you have questions concerning the operation of your unit contact our Sales Depart ment If your unit fails to operate properly or if you have questions concerning Spare parts or service contracts contact our Service Department Before calling please obtain the following information from the unit s serial number label part number serial number The Instruction and Operation Manual for the CFT series is PN U00362 Pump systems are covered in a separate service manual For MD pumps obtain service manual 000877 For PD pumps obtain service manual 000878 Decoding part numbers NESLAB identifies units using a 12 digit part number To decode the part num ber split up the digits as shown in the chart below This will define what charac teristics the unit has LOL LU OO QO OO unit family condenser electrical pum p head controller catalog 128 EX111 0 Not applicable 00 No pump 01 Analog Once upon a time 00 129 EX211 1 Air cooled 01 CP25 02 Digital non bath indicated a standard 130 EX221 2 Water cooled 02 CP55 03 Series II catalog unit and 01 131 EX411 03 PD1 04 Programmable and up indicated the 132 EX511 04 PD2 05 Basic presence of 134 RTE111 05 CP75 06 Cryotrol customizing options 135 RTE211 06 TU1 07 Digital bath and or accessories 136 RTE221 07 TU5 08 UL approved That distinction is no 137 EX111 00 None 08 TUO 09 UL approved longer used and these 138 E211 01 100v 50Hz 10 09 TU7 plus
13. interlocks digits have no special 139 EX221 02 100v 60Hz no longer used 10 TUO 10 UL approved significance any more 140 EX411 03 115v 60Hz 1g 11 SS PD1 plus alarm pkg 141 EX511 04 208 230v 60Hz 10 12 SS PD2 11 Microprocessor 157 RTE140 05 208 230v 60Hz 30 15 MD30 12 Digital remote 167 RTE111 06 220 240v 50Hz 10 16 CP20 HX1000 HX2000 168 RTE211 07 220 240v 50Hz 30 17 6l 13 Fisher standard digital 169 RTE221 08 Slave 18 FPump 1 Stage 14 Controller TC100 171 RTE140 LT50 09 440 480v 60Hz 30 19 FPump 2 Stage 15 Controller Il TC200 331 CFT25A 10 380 415v 50Hz 32 4 wire 20 ZPump 16 Controller Ill TC300 332 CFT33A 11 100v 50 60Hz 21 F Immersion head 17 Controller IV TC400 333 CFT75A 12 100 115v 50 60Hz 22 R Immersion head 334 CFT25 R12 13 200v 50Hz 19 23 FV Immersion head 335 CFT33 R12 15 200v 50 60Hz 24 HPump 336 CFT75 R12 16 Dual rated 25 Dual PD1 337 CFT150 FAC200 200v 50Hz 1g 26 Dual PD2 347 CFT25 R22 200 230v 60Hz 1g 28 was PD3 348 CFT33 R22 17 208v 60Hz 39 5 wire now unassigned 349 CFT75 R22 20 415v 50Hz 30 29 CP100 386 HX75 R22 21 380 415v 50Hz 3g 5 wire 30 TU9 387 HX100 R22 22 200 240v 50 60Hz e 3l TU3 388 HX150 R22 23 380 480v 50 60Hz 3g 4 wire 99 Special 389 HX200 R22 99 Special 390 HX300 R22 391 HX500 R22 392 HX750 R22 393 CFT25 R134a 394 CFT33 R134a 395 CFT75 R134a 396 CFT300 FAC400 397 CFT500 398 CFT750 400 CFT100 607 CFT50 608
14. replace 5 Check ventilation restrictions in recirculating fluid path restrictions in refrigeration system 6 Check for possibility of misapplication Use stronger unit 7 Check refrigerant charge fix leak add 1f necessary 8 Replace compressor Unit runs but continually stops and restarts Overload protector 2 High temperature cutout if so equipped 3 High pressure cutout due to a insufficient air or water supply b overcharge c air in system 4 Low pressure cutout due to a liquid line solenoid leaking b compressor valve leak c undercharge d restriction in expansion device 18 1 See entire section above 2 Heat load too high fluid flow too low 3a Check air or water supply to condenser 3b Reduce refrigerant charge 3c Purge 4a Replace 4b Replace Ac Fix leak add refrigerant 4d Replace device Symptom Unit operates long or continuously Oo OO Ch tA Possible cause Shortage of refrigerant Control contacts stuck closed Refrigerated fluid has excessive load or poor insulation System inadequate to handle load Evaporator coil iced Restriction in refrigeration system Dirty condenser Air filter 1f any dirty Repair Fix leak add charge Clean contacts or replace Determine fault and correct Replace with larger system Defrost Determine location and remove Clean condenser Clean on replace oo HAEL Start cap
15. CEN OF CHLORINE SEE SUPPL Stability YES Cond To Avoid Stability AVOID OPEN FLAMES AND HIGH TEMPERATURE ALSO GLOWING METAL SURFACES Materials To Avoid ALKALI OR ALKALINE EARTH METALS POWDERED ALUMINUM ZINC BERYLIUM ETC CERTAIN CONCENTRATIONS OF CHLORINE Hazardous Decomp Products DECOMPOSES HI TEMP FORMING HYDROFLUORIC ACID AND POSSIBLY CARBONYL FLUORIDE Hazardous Poly Occur NO Conditions To Avoid Poly NOT RELEVANT LD50 LC50 Mixture DUPONT S 1000PPM 8 amp 12 HR TWA Route Of Entry Inhalation YES Route Of Entry Skin YES Route Of Entry Ingestion NO Health Haz Acute And Chronic INHAL OF HI CONCEN OF VAPOR IS HARMFUL amp MAY CAUSE HEART IRREGULARITIES UNCONSCIOUSNESS OR DEATH VAPOR REDUCES OXYGEN AVAILABLE FOR BREATHING amp IS HEAVIER THAN AIR LIQCONTACT CAN CAUSE FROSTBITE Carcinogenicity NTP NO Carcinogenicity IARC NO Carcinogenicity OSHA NO Explanation Carcinogenicity PER MSDS NONE OF COMPONENTS PRESENT IN MATL CONCEN OR lt 0 1 ARE LISTED BY IARC NTP OSHA OR ACGIH AS A CARCINOGEN Signs Symptoms Of Overexp OVEREXOSURE BY INHAL TO VERY HI CONCEN MAY CAUSE TEMP ALTERATION OF THE HEART S ELECTRICAL ACTIVITY WITH IRREGULAR PULSE PALPITATIONS OR INADEQUATE CIRCULATION SKIN CONTACT WITH THE LIQUID MAY CAUSE FROSTBITE Med Cond Aggravated By Exp INDIVIDUALS WITH PRE EXISTING DISEASES OF THE CENTRAL NERVOUS OR CARDIOVASCULAR SYSTEM MAY HAVE INCREASED SUSCEPTIBILITY T
16. CFT75 612 RTE microprocessor 613 CFT200 Interface defined This statement defines NESLAB s policy towards access and contents of various control loops for TC200 TC300 and TC400 controller applications It is provided by the Measurement and Control group With an increasing number of controller applications it is important to maintain consistency in the way we code our operator interface The goal is to minimize the effort to code build test document use and service our products Unless the customer specification specifically requests a different approach the operator interface will be programmed in the following manner Private loops are those requiring a proprietary access code as described in this manual Operator s loop public This is the default power up loop This loop is for basic display information and the location of the process setpoint adjustment flow 1 flow 2 resistivity etc Setup tune loop public This loop contains any other adjustments the cus tomer is expected to access Consider this an advanced user s loop If the customer is expected to change it then it goes here Example Proportional integral derivative PID values alarm setpoints communication enable and parameters remote sensor enable selection of F or C display etc Configuration loop private This loop is used by NESLAB production to enter any factory settings These are not intended to be changed after the initial setting So
17. Der 0 Der 0 Hi limit 30 Hi limit 85 Hi limit 30 Hi limit 35 Hi limit 85 Hi limit 35 Configuration Loop with the display indicating ConF 4 Hold NO and then press and hold NEXT ENTER for seven seconds mini mum This should result in the display indicating reSt meaning RESTORE 5 Press YES The controller will restore the factory default settings and return to the Operator s Loop 22 Field calibration AN The unit is calibrated at the factory Changing any values will nullify temperature indications The calibration loop should only be used by qualified factory or service personnel Improper calibration can affect product temperature measure ments Requirements Temperature calibration is performed at two different temperatures Calibration will be valid at and between those temperatures The unit must run at both of these temperatures in turn to be calibrated A reference thermometer is required Choosing calibration points Decide what two temperatures you wish to use as calibration points The tem peratures chosen must be within the operating range of the unit 5 30 C achievable and measurable using a reference thermometer Calibration will be most valid when the two points are as separated as possible i e 5 C and 30 C If the unit is only operated at one temperature for example 22 C you may wish to optimize calibration at that point by choosing closer calibration points such as 20
18. Displaying software version The TC 200 controller has a function which will show the installed software version number on the unit s digital display For example for a unit with software version 000550 45B 1 Unit is running normally and displaying temperature 2 Press and hold the NO key for at least 10 seconds The display will show the digits to the left of the decimal for example 0550 note the two leading zeros are not shown 3 Press the NEXT key The display will show the digits to the right of the decimal for example 45 4 Press the NEXT key The display will show the revision letter as its equivalent number with A21 B 2 etc for example 2 5 Press the NEXT key The digits shown may be disregarded 6 Press the NEXT key The display returns to normal displaying temperature Troubleshooting Section Ill Service Unit will not start Check the line cord make sure it is plugged in Check the voltage of the power source Make sure it is within the rated voltage of the unit 10 Check that the Power Switch Circuit Breaker has not tripped Check the setting on the optional High Temperature Cutout CFT 300 units are equipped with high and low pressure switches If either switch activates the unit will shut down Once the cause has been determined you have to manually reset the switch The switches are located behind the rear panel see the operation manual Unit will not circulate fluid Check the r
19. E HEAVY VAPS MIGHT COLLECT REMOVE OPEN FLAMES USE SCBA FOR LGE SPILLS RELEASES Neutralizing Agent NONE SPECIFIED BY MANUFACTURER Waste Disposal Method COMPLY WITH FEDERAL STATE AND LOCAL REGULATIONS RECLAIM BY DISTILLATION OR REMOVE TO A PERMITTED WASTE DISPOSAL Precautions Handling Storing STORE IN CLEAN DRY AREA DO NOT HEAT ABOVE 52C 125F Other Precautions NO SMKNG IN AREA OF USE DO NOT USE IN GEN VICIN OF ARC WELDING OPEN FLAMES HOT SURFS HEAT amp UV RADIA MAY CAUSE FORM OF CHLORIDES FLUORIDES amp PHOSGENE FP N USE W SUFFICIENT VENT TO KEEP EMPLOYEE EXPOS BELOW RECOMMENDED LIMITS ING 4 Respiratory Protection UNDER NORMAL MANUFACTURING CONDITIONS NO RESPIRATORY PROTECTION IS REQUIRED WHEN USING THIS PRODUCT USE NIOSH MSHA APPROVED SCBA WHEN A LARGE RELEASE OCCURS Ventilation NORM VENT FOR STANDARD MFG PROC IS GEN ADEQ LOC EXHAUST SHOULD BE USED WHEN LARGE AMOUNTS ARE RELEASED MECH ING 3 Protective Gloves IMPERVIOUS GLOVES FP N Eye Protection ANSI APPRVD CHEM WORKERS GOGGS FP N Other Protective Equipment EMERGENCY EYEWASH amp DELUGE SHOWER MEETING ANSI DESIGN CRITERIA FP N Work Hygienic Practices NONE SPECIFIED BY MANUFACTURER Suppl Safety amp Health Data HAZ DECOMP PROD HALIDES PHOSGENE FP N EXPLO HAZ IS NOT FLAM AT AMBIENT TEMPS amp ATMOSPHERIC PRESS HOWEVER IT HAS BEEN SHOWN IN TESTS TO BE COMBUST AT PRESS AS LOW AS 60 PSIG AT AMBIENT TEMP WHEN MIXED W AIR AT CONCS OF 65
20. E cd rom mm subscription to The Evaporator Name mail NESLAB ONLINE Company PO Box 1178 Portsmouth NH 03802 1178 Address fax 603 430 6387 City e mail State Province rick mills neslabinstruments com Zip Postal code e mail address optional Sources for FirstClass Client for Macintosh Sources for FirstClass Client for Windows 3 5 disk Obtain from NESLAB The Mac client is published on red disks If you have a CD drive use one of the CD sources below as they carry a later version Installation is not required you can run the application right off the floppy disk 3 5 disk Obtain from NESLAB The Windows client is published on blue disks It works on Windows 3 x or Windows 95 If you have a CD ROM drive use the CD ROM below instead as it carries a later version CD ROM NESLAB OFFLINE 1998 cd rom cd rom companion to the magazine MacAddict Issue 1 Sep 1996 go to Shareware Connectivity FirstClass Client cd rom companion to the magazine MacAddict Issue 13 Sep 1997 go to Shareware Communications FirstClass Client cd rom companion to the book Macintosh Revelations by Ken Maki go to Telecom BBS Software FirstClass Client Any cd rom shareware software collection from BMUG Berkeley Mac Users Group CD ROM NESLAB OFFLINE 1998 cd rom intranet bbs Download from NESLAB ONLINE Go to Conferences Software
21. O THE TOXICITY OF EXCESSIVE EXPOSURES Emergency First Aid Proc INHAL IMMED REMOVE TO FRESH AIR KEEP PERSON CALM NOT BREATH GIVE ARTIF RESP BREATH DIFFI GIVE OXY CALL DR SKIN IMMED FLUSH W LOTS OF H20 FOR LEAST 15MINS REMOVE CONTAM CLOTH SHOE CALL DR TREAT FOR FROSTBITE IF NECESSARY BY GENTLY WARMING AFFECTED AREA EYE IMMED FLUSH W LOTS OF H20 FOR LEAST 15MINS CALL DR DR BECAUSE POSSIBLE DISTRUBANCES OF CARDIAC RHYTHM USE CATECHOLAMINE DRUGS CAUTIOUSLY Steps If Matl Released Spill REVIEW FIRE FIGHTING MEASURES BEFORE PROCEEDING W CLEANUP USE APPROPRIATE PPE DURING CLEANUP VENTI AREAESPECIALLY LOW OR ENCLOSED PLACES WHERE HEAVY VAPORS COLLECT REMOVE OPEN FLAMES USE SCBA IF LG SPILL OR LEAK OCCURS Neutralizing Agent NOT SPECIFIED BY MANUFACTURER Waste Disposal Method CONTAMINATED HFC 134A CAN BE RECOVERED BY DISTILLATION OR REMOVED TO A PERMITTED WASTE DISPOSAL FACILITY COMPLY WITH LOCAL STATE AND FEDERAL REGULATIONS Precautions Handling Storing STORE IN CLEAN DRY AREA DO NOT HEAT ABOVE 52C USE W SUFFICIENT VENTILATION TO KEEP EMPLOYEE EXPOSURE BELOW RECOMMENDED LIMITS Other Precautions HFC 134A SHOULD NOT BE MIXED W AIR FOR LEAK TESTING OR USEDS W AIR FOR ANY OTHER PURPOSE ABOVE ATMOSPHERIC PRESSURE SEE FIRE amp EXPLOSION DATA amp SUPPLEMENTAL SECS CONTACT W CHLORINE OR OTHER STRONG OXIDIZING AGENTS SHOULD ALSO BE AVOIDED Respiratory Protection UNDER NORMAL MANUFACTURING CONDITIONS NO RESPIRATORY PROTECTION I
22. OUT WARNING VAP REDUCES OXYGEN AVAILABLE FOR BRTHG amp IS HVR AIR LIQUID CONT CAN CAUSE FRSTBT ANIMAL DATA TOXICITY DESCRIBED IN ANIMALS EXPOSED BY INHAL TO CONCS ING 9 Carcinogenicity NTP NO Carcinogenicity IARC NO Carcinogenicity OSHA NO Explanation Carcinogenicity NOT RELEVANT Signs Symptoms Of Overexp OVEREXP TO VAPS BY INHAL MAY INCLUDE TEMPORARY NERVS SYS DEPRESS W ANESTH EFTS SUCH AS DIZZ HDCH CONFUSN INCOORD amp LOSS OF CONSCIOUSNESS HIGHER EXPOS TO VAPS MAY CAUSE TEMPORARY ALTERATION OF HEART S ELEC ACTIVITY W IRREGULAR PULSE PALPITATIONS INADEQUATE CIRCULATION FATALITY MAY OCCUR FROM GROSS ING 7 Med Cond Aggravated By Exp BECAUSE OF POSSIBLE DISTURBANCES OF CARDIAC RHYTHM CATECHOLAMINE DRUGS SUCH AS EPINEPHRINE SHOULD ONLY BE CONSIDERED AS A LAST RESORT IN LIFE THREATENING EMERGENCIES Emergency First Aid Proc INHAL IF LGE CONCS ARE INHALED IMMED REMOVE TO FRESH AIR KEEP PERS CALM IF NOT BRTHG GIVE ARTF RESP IF BRTHG IS DIFFICULT GIVE OXYGEN CALL MD SKIN CONT FLUSH W WATER FOR 15 MIN TREAT FOR FROSTBT IF NEC BY GENTLY WARMING AFFECTED AREA IF IRRIT IS PRESENT CALL MD EYES IMMED FLUSH W PLENTY OF WATER FOR AT LEAST 15 MIN CALL MD INGEST NOT CONSIDERED A POTENTIAL ROUTE OF EXPOSURE Steps If Mat Released Spill NOTE REVIEW FIRE A EXPLOS HAZ amp SFTY PREC BEFORE PROCEEDING W CLEAN UP USE APPROP PERSONAL PROT EQUIP DURING CLEAN UP VENT AREA ESPECIALLY LOW ENCLOSED PLACES WHER
23. OXIC BASED ON FINDINGS FC 22 IS NOT CONSIDERED A UNIQUE HAZ ING 16 Ingredient Sequence Number 15 NIOSH RTECS Number 999999977 OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 15 TO CONCEPTUS amp POSES NO CARCIN HAZ WHEN EXPOSURES ARE BELOW TLV CHLOROFLUOROCARBON CFC MATLS HAVE ING 17 Ingredient Sequence Number 16 NIOSH RTECS Number 999999977 OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 16 PRODUCED SENSIT OF MYOCARDIUM TO EPINEPHRINE IN LAB ANIMALS amp COULD HAVE A SIMILAR EFT IN HUMANS ING 18 Ingredient Sequence Number 17 NIOSH RTECS Number 99999997Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 17 ADRENOMIMETICS EG EPINEPHRINE MAY BE CONTRAINDICATED EXCEPT FOR LIFE SUSTAINING USES IN HUMANS ING 19 Ingredient Sequence Number 18 NIOSH RTECS Number 999999977 OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 18 ACUTELY OR CHRONICALLY EXPOSED TO CFC S Ingredient Sequence Number 19 NIOSH RTECS Number 999999977 OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient VOLAT 100 WT Ingredient Sequence Number 20 NIOSH RTECS Number 999999977 OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Appearance And Odor CLEAR COLORLESS LIQUEFIED GAS WITH SLIGHT ETHEREAL ODOR Boiling Point 41F 41C
24. S REQUIRED WHEN USING THIS PRODUCT SELF CONTAINED BREATHING APPARATUS SCBA IS REQUIRED IF A LARGE RELEASE OCCURS Ventilation NORMAL VENTILATION FOR STANDARD MANUFACTURING PROCEDURES IS GENERALLY ADEQUATE Protective Gloves IMPERVIOUS GLOVES Eye Protection CHEM SPLASH GOGGLES Other Protective Equipment NONE SPECIFIED BY MANUFACTURER Work Hygienic Practices WASH CONTAMINATED CLOTHING SHOE PRIOR TO REUSE Suppl Safety amp Health Data MATL NOT FLAMM 2 AMBIENT TEMP amp ATM 32 R 22 refrigerant PRESSURE TESTS HAVE SHOWN COMBUSTIBLE PRESSURE AS LOW AS 5 5 PSIG 177C WHEN MIXED W AIR CONCEN OF GENERALLY MORE THAN 60 VOLUME AIR AT LOWER TEMP HIGHER PRESSURE ARE REQUIRED FOR COMBUSTIBILITY DO NOT USE IN MED APPLICATINS INVOLVING PERMANENT IMPLANTATION IN THE HUMAN BODY Trans Data Review Date 94195 DOT PSN Code DQQ DOT Proper Shipping Name COMPRESSED GASES N O S DOT Class 2 2 DOT ID Number UN1956 DOT Label NONFLAMMABLE GAS IMO PSN Code EQH IMO Proper Shipping Name COMPRESSED GAS NOS IMO Regulations Page Number 2125 IMO UN Number 1956 IMO UN Class 2 2 2 IMO Subsidiary Risk Label IATA PSN Code HDO IATA UN ID Number 1956 IATA Proper Shipping Name COMPRESSED GAS N O S IATA UN Class 2 2 IATA Label NON FLAMMABLE GAS AFI PSN Code HDO AFI Prop Shipping Name COMPRESSED GAS NOS AFI Class 2 2 AFI ID Number UN1956 AFI Label NON FLAMMABLE GAS AFI Basic Pac Ref 6 6
25. T APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 9 BODY WT GAIN amp PARTIAL ANESTH IN CHRONIC INHAL STUDIES FC 22 PRODUCED A SM BUT STATISTICALLY ING 11 Ingredient Sequence Number 10 NIOSH RTECS Number 99999997 OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 10 SIGNIFICANT INCREASE OF TUMORS IN MALE RATS BUT NOT FEMALE RATS OR MALE FEMALE MICE AT A CONC OF ING 12 Ingredient Sequence Number 11 NIOSH RTECS Number 99999997Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 11 50000 PPM V V FC 22 WAS MUTAGENIC IN BACTERIAL CELL CULTURES BUT NOT MAMMALIAN CELL CULTURES amp WAS ING 13 Ingredient Sequence Number 12 NIOSH RTECS Number 9999999ZZ OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO 34 Ingredient ING 12 NOT MUTAGENIC IN WHOLE ANIMAL ESSAYS A SLIGHT BUT SIGNIFICANT INCREASE IN DEVEL TOXICITY EYE ING 14 Ingredient Sequence Number 13 NIOSH RTECS Number 9999999ZZ OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 13 MALFORMATIONS DECR FETAL WTS HAS BEEN OBSERVED IN OFFSPRING OF RATS EXPOSED TO HIGH CONCS 50000 PPM ING 15 Ingredient Sequence Number 14 NIOSH RTECS Number 99999997Z OSHA PEL NOT APPLICABLE ACGIH TLV NOT APPLICABLE Proprietary NO Ingredient ING 14 OF FC 22 CONC WHICH WAS ALSO MATERNALLY T
26. a B V Meerenakkerplein 31 5652 BJ Eindhoven The Netherlands 31 40 2300456 Fax 31 40 2549485 United Kingdom 93 96 Chadwick Road Astmoor Runcorn Cheshire WA71PR UK 44 019 28562655 Fax 44 019 28562656 Germany Industriering Ost 66 D 47906 Kempen Phone number 49 2152 1417 30 Fax number 49 2152 1417 55 France 70 rue Berthie Albrecht 94784 Vitry sur Seine cedex 011 331 da 91 17 00 Fax 011 331 43 91 17 01 The NESLAB Main Service Center is open 8 00 am to 5 00 pm Eastern Time Monday through Friday NESLAB Instruments Inc P O Box 1178 Portsmouth NH 03802 1178 Phone 800 258 0830 or 603 436 9444 Fax 603 436 841 1
27. acitor open shorted or blown Relay contacts not operating properly Prolonged operation on start cycle due to a low voltage to unit b improper relay c starting load too high Excessive short cycling Improper capacitor 1 Clean contacts replace relay if needed 2a Determine reason and correct 2b Replace 2c Correct 3 Determine reason and correct 4 Determine correct size and replace Run capacitor open shorted or blown Improper capacitor Excessively high line voltage 11096 of rated maximum Determine correct size and replace 2 Determine reason and correct Relay defective or burned out Un BR WN eR ON Incorrect relay Incorrect mounting angle Line voltage too high or too low Excessive short cycling Relay being influenced by loose vibrating mounting Incorrect run capacitor Check and replace Remount relay in correct position Determine reason and correct Determine reason and correct Remount rigidly Replace with proper capacitor QUA d PD Recirculating fluid temperature too high SS WN ma Control setpoint too high Expansion valve too small Evaporator too small Inadequate air circulation through condenser Reset setpoint Use larger valve Add surface area or replace Improve air movement B WN ke Suction line 1 Expansion valve passing excess 1 Readjust valve or replace with frosted or r
28. and 24 C Procedure overview The general procedure consists of 1 From operator s loop adjust setpoint to lower calibration point 2 Allow unit to achieve the lower calibration point 3 Go to calibration loop enter the reference thermometer value 4 Go to operator s loop adjust setpoint to higher calibration point 5 Allow unit to achieve the higher calibration point 6 Go to calibration loop enter the reference thermometer value Note The calibration points are independent The higher point may be set first if more convenient The step by step procedure follows 23 Begin in the Operator s Loop Immerse a reference thermometer in the circulating fluid XXXC Display current temperature A Controller is ready to receive a new setpoint XXXC v This will become the lower calibration point Use YES NO keys to increment digits XXXC wn to the lower calibration point Unit now begins to go to the lower calibration point V A A A Use private key to go to the Calibration Loop hold Ca a D R1H Decline higher calibration point Accept lower calibration point E eg eg RTD2 ren Decline RTD2 calibration Use YES NO keys to increment digits 4 to the temperature shown on the reference thermometer STOR Save changes A Return to Operator s Loop XXXC go to next page 24 from previous Ensure the reference thermometer is immersed in the circulating fluid page XXXC Disp
29. artment 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 Observe all warning labels Never remove warning labels Never operate damaged or leaking equipment Never operate the unit without cooling fluid in the reservoir Always turn off the unit and disconnect the power source before performing any service or maintenance procedures or before moving the unit Always empty the reservoir before moving the unit Never operate equipment with damaged line cords Refer service and repairs to a qualified technician 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 perma nent damage to the unit significant property damage or personal injury or death The lightning flash with arrow symbol within an equilateral triangle is intended to alert the user to the presence of non insulated dangerous voltage within the unit s enclosure The voltage may be of significant magnitude to constitute a risk of electrical shock After Sale Support Other resources Section Il General information NESLAB is committed to customer service
30. bel Emergency Number 800 441 3637 800 424 9300 CHEMT REC URL for this msds http siri org If you wish to change add to or delete information in this archive please sent updates to dan siri org 37 Service bulletin U00336 30 Sep 1998 CFT75 solenoid valve change 1 What units are affected model CFT 75 R134A ONLY not R22 or R12 part numbers 395XXXXXXXXX serial numbers this change occurs at serial number 198223000 date of manufacture this change occurs August 11 1998 2 What is the problem symptom The unit may runaway cold even though the controller is calling for heating 3 What is the cause The installed liquid line solenoid valve PN 009475 type XUP is not optimum for this application 4 What is the fix The solenoid valve is replaced by a different one PN 009741 type XWG 5 Should we fix any existing units rework or recall units in the field It is not necessary to service any units that operate correctly If a unit exhibits this symptom the valve should be replaced with the new one The coil is the same and may be reused 6 How do I get replacement parts or more information Consult NESLAB Technical Service 7 Need more information Current service information is available 24 hours a day on NESLAB ONLINE Service information is available on the NESLAB OFFLINE 1998 cd rom Service manual 000877 is available for CFT75 units using traditional Banks controllers with a controller code
31. efrigerant or is oversized smaller valve sweating 2 Expansion valve stuck open 2 Clean valve of foreign particles 3 Overcharge of refrigerant replace if necessary 3 Correct charge Liquid line 1 Restriction in drier or strainer 1 Replace part frosted or 2 Liquid shut off king valve 2 Open valve fully sweating if so equipped partially closed Unit noisy 1 Loose parts or mountings 1 Find and tighten 2 Tubing rattle 2 Reform to be free of contact 3 Bent fan blade causing vibration 3 Replace blade 4 Fan motor bearings worn 4 Replace motor 19 Microprocessor replacement AN 1 WARNING Physically disconnect unit from line voltage 2 Use proper Electro Static Discharge ESD protection procedures A wrist strap is mandatory at a minimum NESLAB is not responsible for replacement of integrated circuits damaged by ESD 3 A Plastic Leaded Chip Carrier PLCC extraction tool is required 4 Remove wrapper of unit 5 Remove the cover from the control box On CFT 25 33 and 75 there are four screws On CFT 150 and larger there are only two screws 6 CFT 25 33 and 75 only The control box assembly must be pulled outside the case to allow access room Remove the two nuts that hold the control box assembly to the case Tip the control box assembly out of the hole in the case Remove the secondary cover the one with all the strain reliefs mounted to it Note On CFT 150 and larger there is adequate access room The con
32. ervice Department for assistance see After sale Support NESLAB offers on site Service Contracts that are designed to provide extended life and minimal down time for your unit For more information contact our Service Department see After sale Support The CFT 300 is equipped with a 1 2 inch FPT DRAIN fitting located on the rear of the unit To drain the CFT 25 to CFT 150 reservoirs we recommend the use of a wet dry vacuum Remove the reservoir plug and carefully insert the wet dry vacuum so as not to damage the cooling coils NOTE Tilting the unit more than 45 may allow compressor oil to seep into the suction line Reservoir Periodically inspect the fluid inside the reservoir If cleaning is necessary flush the reservoir with a cleaning fluid compatible with the circulating system and the cooling fluid The cooling fluid should be replaced periodically When operating at low temperatures the concentration of water in the cooling fluid will increase over time leading to a loss of cooling capacity Before changing the cooling fluid raise the operating temperature of the unit to de ice the cooling coils Refer to the operating manual for instructions on replacing the cooling fluid Condenser For proper operation the unit needs to pull substantial amounts of air through a condenser A build up of dust or debris on the fins of the condenser will lead to a loss of cooling capacity The lower front of the unit has a one piece
33. eservoir level Fill if necessary Make sure the pump has been purged Check the pressure gauge units with PD pumps If the reading is 60 psig check the instrument being cooled for restrictions in the cooling line Check the pump strainer units with PD pumps A clogged strainer can starve the pump Inadequate temperature control If the temperature continues to rise make sure the heat load of the instrument being cooled does not exceed the rated specification see the operating manual for specifications Make sure the air intake and discharge are not impeded and the ambient temperature does not exceed 35 C Make sure the condenser is free of dust and debris If the compressor short cycles a clicking sound check the line voltage It should be within the 1096 of the specified voltage Wait 5 minutes before restarting the unit Symptom Compressor will not start no hum Possible cause Line disconnect switch open Line fuse 1f any removed or blown Overload protector tripped Wiring improper or loose BW Ne Repair Close start or disconnect switch Replace fuse Allow compressor to cool Check against wiring diagram BR WN eR Compressor will not start hums but trips on overload protector Improperly wired Low line voltage Start capacitor defective Relay failing to close Compressor motor has winding open or shorted 6 Compressor mechanical failure 7 Liquid refr
34. grille assembly Gently pry the assembly off with a flathead screwdriver Use care not to scratch the paint Periodic vacuuming of the condenser fins is necessary The frequency of cleaning depends on the operating environment We recommend a visual inspection of the condenser be made monthly after initial installation After several months the frequency of cleaning will be established 2 Algae Pump strainer PD 2 Strainer To restrict the growth of algae in the reservoir it is recommended that the reservoir cover be kept in place and that all circulation lines be opaque This will eliminate the entrance of light which is required for the growth of most common algae NESLAB recommends the use of Chloramine T 1 gram per 3 5 liters Units with PD pumps have a strainer Refer to the pump label on the rear of the unit to identify the type of pump in your unit If debris is in the system the strainer will prevent the material from being drawn into the pump and damaging the pump vanes After initial installation the strainer may become clogged with debris and scale Therefore the strainer must be cleaned after the first week of installation After this first cleaning a monthly visual inspection is recommended After several months the frequency of cleaning will be established Before cleaning the strainer disconnect the power cord from the power source and drain the reservoir PD 1 pumps have a wire mesh strainer located in
35. he wall of the hose tighten hose clamps to 50 in Ibs 280 cm kg Note that this type hose will cold flow so the clamps will need to retorqued later after the hose conforms to the clamps Be aware the hose clamps do not actually loosen but rather the hose O D decreases under them It is best to give them a final torqueing just prior to leaving the job site It is wise to explain to the customer that a further torqueing may be required the following day and that a drip developing at the hose clamp is a result of this cold flow and not poor workmanship 29 refrigerant data Model Pump Refrigerant Amount Amount metric Hot gas setting PSIG Hot gas setting kPa Ambient F Fluid temp C Suction pressure PSIG Suction pressure kPa Discharge pressure PSIG Discharge pressure kPa Speed check C min Section VI Reference CFT 25 CFT 33 CFT 75 CFT 150 CFT 300 CFT 300 any any any any CP55 TU5 TU6 PD2 R 134a R 134a R 134a R 22 R 22 R22 4 oz 7 oz 13 75 oz 29 oz 8 5 9 5 Ibs 8 5 9 5 Ibs 115g 200 g 390 g 822g 3 8 4 3 kg 3 8 4 3 kg 5 5 5 25 25 25 35 35 35 172 172 172 68 68 68 68 74 74 20 20 20 20 20 20 25 28 42 45 37 41 70 85 90 88 94 172 193 290 310 255 282 480 585 620 605 650 145 160 180 200 170 185 270 265 280 265 280 1000 1100 1240 1380 1175 1275 1860 1827 1930 1827 1930 4 0 2 4 6 2 8 6 4 6 4 6024 material safety data sheet MSDS
36. igerant in compressor UV E oO PD ra Check against wiring diagram Determine reason and correct Determine reason and replace Determine reason and correct replace if necessary 5 Replace compressor 6 Replace compressor 7 Add crankcase heater and or accumulator B WN mm Compressor starts but does not switch off start winding 1 Improperly wired 2 Low line voltage 3 Relay failing to open 4 Run capacitor defective 5 Excessive discharge pressure 6 Compressor motor has winding open or shorted 7 Compressor mechanical failure 1 Check against wiring diagram 2 Determine reason and correct 3 Determine reason and correct replace if necessary 4 Determine reason and replace 5 Check discharge shut off valve possible overcharge or insufficient cooling on condenser 6 Replace compressor 7 Replace compressor Compressor starts and runs but short cycles on overload protector 1 Additional current passing through overload protector 2 Low line voltage or unbalanced if three phase 3 Overload protector defective 4 Run capacitor defective 5 Excessive discharge pressure 6 Suction pressure too high 7 Compressor too hot return gas hot 8 Compressor motor has a winding shorted 1 Check wiring diagram Check for added fan motors pumps etc connected to wrong side of protector 2 Determine reason and correct 3 Check current replace protector 4 Determine reason and
37. lay current temperature A Controller is ready to receive a new setpoint XXXC wv This will become the higher calibration point Use YES NO keys to increment digits XXXC we to the higher calibration point Unit now begins to go to the higher calibration point V A A A Use private key to go to the Calibration Loop hold a a Accept higher calibration point D gt m ee ES Decline E point Use YES NO keys to increment digits to the temperature shown on the RTD2 Decline RTD2 calibration reference thermometer BE Save changes Return to Operator s Loop XXXC calibration is complete 25 Hot gas valve A The hot gas valve is adjusted as follows WARNING Disconnect unit from line voltage 1 Attach refrigerant gauges and verify that the refrigerant charge is approxi mately correct 2 Start unit and allow it to stabilize 3 Turn unit setpoint up so unit remains in the heat idle cycle 4 Observe suction pressure gauge 5 Compare reading of gauge to that in the refrigerant data table 6 Adjust valve if necessary to comform to the table 7 Turn unit off WARNING Disconnect unit from line voltage 8 Remove refrigerant gauges 26 Service contracts Draining the reservoir Cleaning Section V Preventive maintenance For personal safety and equipment reliability the following procedure should only be performed by a qualified technician Contact our S
38. me designs may not have anything in the Configuration Loop Ex ample injector setpoint and settings high and low span interlocks or cutouts 50 60 Hz power selection etc Calibration loop private This loop allows the operator to calibrate tempera ture and other variables to reference instruments Service loop private This is intended for service personnel to aid in field trouble shooting The service loop allows the controller inputs and outputs to be monitored and changed for testing of the electrical control system and compo nents Each application needs an unique one page service sheet that defines the controller inputs outputs before the service loop can be used Documentation The operators manual will only contain the operator s loop and setup tune loop information The appendix of the operators manual may also contain the calibration loop information The service manual will contain all the different loops Mark Sinclair Measurement and Control Manager 9 Navigating the loops OPERATOR S LOOP PUBLIC LOOPS PRIVATE LOOPS CALIBRATION LOOP CONFIGURATION LOOP CAL SERVICE LOOP Operator s loop F fex to setup loop A temperature hold AT A to calibration loop XKC KA fed selpoint KS 9 s e RB O mm g Setup loop part 1 LA OPERATOR s held LOOP FH TUNE ry sel cool PID parameters H C C 2 AA HT AAP Wi select Y
39. of 01 or 02 the controller code is the ninth and tenth digits of the 12 digit unit part number This manual is available on paper on cd rom and online Service manual U00320 is available for CFT75 units using the newer TC200 controllers with a controller code of 15 the controller code is the ninth and tenth digits of the 12 digit unit part number This manual is available on paper or online Refer to PCO Product Change Order 12173 Test sheets are available on microfiche at all NESLAB offices 38 Service bulletin U00349 18 May 1999 1 What units are affected model CFT 33 part numbers 394106031501 394106031502 394106031503 394106031504 394106041501 394106041502 394106041503 394106041504 394106041505 394106041506 394106121501 394106991501 394106991502 serial numbers approximate range 196270001 to 199130001 date of manufacture from late 1996 to May 1999 2 What is the problem symptom When main power is applied the compressor will not start and the compressor motor overload quickly trips The start capacitor will appear to be shorted when checked with an ohmmeter 3 What is the cause Wires may have been incorrectly attached to the start capacitor by the condens ing unit manufacturer so that the capacitor is shorted Actual short is between the wire terminal and the end cap of the bleeder resistor A shorted capacitor can not participate in the compressor start cycle and as a result the compressor motor may not
40. start bleeder resistor possible short wrong right 4 What is the fix If capacitor is wired incorrectly disconnect from line voltage and rewire start capacitor as indicated Replace bleeder resistor if the enamel is damaged Unit should now start normally 5 Should we fix any existing units rework or recall units in the field All units returned for servicing should be checked for correct capacitor wiring Units found to be incorrectly wired should be reworked as shown 6 Who can call for help Our Technical service group is ready to help you sort out issues involving product performance 39 Year 2000 statement NESLAB Instruments Inc P O Box 1178 Portsmouth NH 03802 1178 800 258 0830 FAX 603 436 841 1 Revised 18 May 1999 Subject Y2K Year 2000 Policy Statement NESLAB Instruments Inc and the Year 2000 NESLAB Instruments Inc recognizes the importance of providing our customers with products that will continue to function correctly during the Year 2000 and beyond NESLAB is also committed to communicating to its customers its status with respect to Year 2000 compliance Definition NESLAB Instruments has adopted the following definition of Year 2000 compliance as set forth by the British Standards Institution in DISC PD2000 1 A Definition of Year 2000 Conformity Requirements available on the Internet at http Awww bsi org uk disc year2000 html with the qualification that the upper limit for compliance is
41. the pump head PD 2 pumps have the strainer located in the pump suction line Remove the wrapper from the unit Unscrew the larger of the two acorn nuts on the pump head and remove the screen Clean the screen by rinsing it with water When the screen is clean replace it in the strainer tighten the acorn nut and replace the wrapper Refer to the operating manual for instructions on replacing the cooling fluid PD 1 Strainer 28 Pump motor lubrication PD pump motors require periodic lubrication Refer to the pump label on the rear of the unit to identify the type of pump in your unit PD pumps use sleeve type bearings with large reservoirs Oiling instructions are generally posted on each motor In the absence of instructions add approximately 30 to 35 drops of SAE 20 non detergent oil to each bearing on the following schedule SAE 20 142 CS viscosity Duty Cycle Oiling Frequency Continuous Once every year Intermittent Once every 2 years Occasional Once every 5 years Fill Holes Typical Torque V band clamp The V band clamp which joins the pump to the motor should be tightened to 15 30 inch pounds 85 170 cm kg of torque Hose clamps The unit s internal and external hoses and clamps should be inspected and tightened on at least a semiannual basis If the unit uses standard clear rein forced hose with the reinforcement webbing visible in t
42. the year 2035 Year 2000 conformity shall mean that neither performance nor functionality is affected by dates prior to during and after the year 2000 In particular Rule 1 No value for current date will cause any interruption in operation Rule 2 Date based functionality must behave consistently for dates prior to during and after year 2000 Rule 3 In all interfaces and data storage the century in any date must be specified either explicitly or by unambiguous algorithms or inferencing rules Rule 4 Year 2000 must be recognized as a leap year Our Products It is our goal that our customers can continue to use our Prod ucts during and after the Year 2000 NESLAB Instruments has carried out a review of its products with respect to Year 2000 compliance There are no current NESLAB products which incorporate clock or calendar functions Therefore we believe all of our current products to be Year 2000 compliant Additional information about NESLAB Instruments products can be found at our website http www neslabinc com 40 Internal Business Systems NESLAB has carried out a review of its products and its internal systems with respect to Year 2000 compliance NESLAB houses an IBM AS 400 system that runs MAPICS XA R3 MRP software This software package is fully Year 2000 compliant NESLAB also utilizes Windows 95 and other Microsoft products on the desktop all of these software products are also Year 2000 compliant In addition
43. trol box assembly may remain mounted to the case 7 Observe the pin orientation of the old microprocessor chip Remove it using the PLCC extraction tool Install the new microprocessor chip making sure the pin 1 designation on the microprocessor chip a dimple in the middle of one side and the socket generally a triangle pointer on the socket or the circuit board align DO NOT USE THE ORIENTATION OF THE PAPER LABEL FOR ALIGN MENT THE PAPER LABEL ORIENTATION IS ARBITRARY slots for arrow p dot E P extraction F tool j Ni empty socket Chip chip in socket 8 Reassemble the unit and all covers 9 Plug unit in and turn it on Error messages will appear Press ENTER NEXT after each error message until the temperature display appears 10 The unit is now operational but calibration has been lost Calibrate unit per instructions in this manual 20 Error codes On power up These messages will be displayed on the controller The controller will wait for someone to press the next enter key Once the next enter key is pressed the controller will restore factory defaults and begin to run For example if Err1 is on the controller display at power up this indicates the internal ram is messed up Er01 Ram test failure Er02 Keypad failure shorted keypad Er03 Critical checksum failure will restore all factory defaults Er04 Non Critical checksum failure will restore 1 2 of factory val
44. ues keeps calibration PID restore setpoint Unusual Hardware Conditions These errors will flash on the display and cannot be cleared These are internal controller problems Er04 thru Er15 Interrupt errors during runtime Functional Machine errors These are the runtime logic errors these errors will clear themselves once the problem disappears Er16 Bad calibration data recalibrate controller Er19 Low temperature alarm Er21 High temperature alarm Er22 High tank temperature Er23 Shorted RTD2 Er24 Open RTD2 Er25 Shorted RTD1 Er26 Open RTD1 Er31 Low level fault ADD Low level alarm 21 Factory defaults Restoring factory defaults Section IV Adjustments Cool PID values Pro 20 Heat PID values Pro 5 Alarms Hi temp 90 Lo temp 20 Span CFT25 33 75 standard temp CFT25 33 75 high temp CFT25 33 75 low temp CFT150 300 standard temp CFT150 300 high temp CFT150 300 low temp Cool cycle 15 This procedure will restore all controller values to the factory default settings which vary by product 1 Begin in the Operator s loop displaying temperature as normal 2 Hold NO and while holding it press YES YES YES This should result in the Calibration Loop with the display indicating CaL 3 Hold NO and while holding it press YES YES YES This should result in the Int 0 5 Int 0 5 Lo limit 5 Lo limit 5 Lo limit 15 Lo limit 5 Lo limit 5 Lo limit 15

NESLAB - Chiller City

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