Edwards TCU 40/80 Скачать руководство пользователя страница 60 | Manualshive

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Содержание TCU 40/80

Страница 1: ...96 Instruction Manual TCU 40 80 Single Channel Temperature Control Unit EDWARDS Edwards High Vacuum International One Edwards Park 301 Ballardvale Street Wilmington MA 01887 Telephone 508 658 5410 Telex 710 347 7672 Fax 508 658 7969 ...

Страница 2: ...isions of 89 392 EEC 89 336 EEC 73 023 EEC Safety Requirements for Electrical Equipment for Measurement Control and Laboratory Use Electromagnetic Compatibility General Emission Standard Generic Standard Class Domestic Commercial Light Industry Electromagnetic Compatibility General Immunity Standard Generic Standard Class Domestic Commercial Light Industry Machinery Safety Directive Electromagneti...

Страница 3: ...monitoring 10 4 5 Front panel 1 4 6 Rear panel 13 4 7 Specifications 14 4 8 Dimensions 15 5 INSTALLATION 6 5 1 Receiving and unpacking 16 5 2 Location 16 5 2 1 Securing the unit 16 5 2 2 Installing the secondary containment receptacle 16 5 2 3 Floor levclers 16 5 3 Stacking 17 5 3 1 Tie bolts 17 5 4 Facilities 17 5 4 1 Water and coolant connections 18 5 4 2 Water 19 5 4 3 Coolant 19 5 4 4 Remote c...

Страница 4: ...k check 28 7 7 6 Water leak check 28 7 7 7 Insulation repair 28 7 7 8 Lamp check replacement 29 7 8 Annual preventative maintenance 30 7 8 1 Required equipment 30 7 8 2 Required supplies 30 7 8 3 Solenoid valve coil replacement 30 7 8 4 System check 32 7 9 Preventive maintenance checklist 41 8 TROUBLESHOOTING 42 9 ACCESSORIES AND SPARE PARTS 52 APPENDIX 54 Return of Edwards Equipment Procedure For...

Страница 5: ...emote interface 56 Table Title Page Table 1 Safety features 4 Table2 Frontpanel Indicators 5 Table 3 Refrigeration and coolant components 8 Table 4 Front panel controls 11 Table 5 Front panel LED indicators 12 Table 6 Temperature controller 12 Table 7 Description ofrear panel components and indicators 13 Table 8 Front panel power up indicator conditions 20 Table 9 Electrical hazards classification...

Страница 6: ... W95900006 W95900007 For each TCU 40 80 purchased you are entitled to one translated manual free of charge This is in addition to the English version provided Fax this completed form to the nearest Edwards location to receive your complimentary translation Name Title Company Address TCU serial number Language circle one French German Italian Japanese TCU 40 80 Temperature Control Unit ...

Страница 7: ...quipment associated equipment and process Statement on avoiding the hazard Electric Shock Electric Shock symbol denotes the presence of high voltage or current It calls attention to the procedure practice or the like which if not done correctly or adhered to could result in injury or death Statement on avoiding the hazard Eye Protection Eye Protection symbol denotes a hazard which could cause inju...

Страница 8: ...hazard High Pressure High Pressure symbol denotes a personal hazard or equipment failure It calls attention to the procedure practice or the like which if not done correctly or adhered to could result in equipment damage injury or death Statement on avoiding the hazard Extreme Temperature Extreme Temperature symbol denotes a hazard which could cause injury or burns Statement on avoiding the hazard...

Страница 9: ... Description of the TCU 40 80 The TCU 40 80 is a single channel temperature control unit engineered for temperature control of remote heat loads From distances up to SO feet the TCU 40 80 can cool the heat load generated by the process equipment The coolant circulates through the TCU 40 80 where it is cooled or heated as required then is transferred to the process equipment and returns in a closed...

Страница 10: ...geration system against high discharge pressure Interrupts operation at 300 psig Vents refrigerant to the atmosphere above 350 psig Fail safe for PS1 works even if there is no power applied to the system Protects the reservoir from over pressure Protects the process fluid from exceeding 99 C Protects the process equipment from inadequate coolant flow rates Protects against low level in the coolant...

Страница 11: ...et column of Table 2 on this page 3 Press START Verify that front panel indicators are as shown in the Start Condition column of Table 2 on this page If in steps two or three any front panel indicators do not match Table 2 refer to the Troubleshooting Guide on page 42 for corrective action 4 Verify that the coolant pressure gauge located on the front access panel reads less than 100 psig Table 2 F...

Страница 12: ... 1 Refrigeration and coolant circuits Figure 1 Figure 2 and Table 3 on page 8 describe the refrigeration and coolant components of the TCU 40 80 Figure 1 Refrigeration and coolant components TCU40 80 Temperature Control Unit ...

Страница 13: ...Figure 2 Refrigeration and coolant components TCU 40 80 Temperature Control Unit ...

Страница 14: ...er Limits maximum allowable discharge pressure Transfers heat from the compressed refrigerant to the facility water Removes contaminants and moisture from the refrigerant Limits the discharge temperature Drives the coolant pump Circulates the Fluorinert coolant Regulates coolant flow Regulates cooling capacity Further cools the refrigerant that is returning to the compressor Allows refrigerant to ...

Страница 15: ...ves any residual moisture or contaminants 4 2 1 If cooling is required 1 Solenoid valve SV1 opens coil energized allowing the refrigerant to flow into the Thermostatic Expansion Valve TEV The pressure drop across the TEV causes the refrigerant to change from a liquid to a mixture of liquid and gas 2 The liquid and gas mixture enters the heat exchanger where it becomes entirely a gas The process of...

Страница 16: ... that are attached to the TCU 40 80 To increase the coolant temperature the reservoir uses an electrical resistance heater that is controlled by the temperature controller The heater must be fully submerged at all times and if the coolant in the reservoir falls below 3 S liters a level switch causes the status alarm signal to automatically shut down the TCU 40 80 A three float level switch a therm...

Страница 17: ...alarms and makes the TCU 40 80 ready to operate The white light indicates that the TCU 40 80 is ready to operate Removes power from all TCU 40 80 circuits except the EMERGENCY OFF circuit To shut off power push EMERGENCY OFF EMO To reset rotate the EMERGENCY OFF button clockwise as shown on the switch Starts and stops the operation of the TCU 40 80 Emits a high pitched sound when there is a fault ...

Страница 18: ...ompressor has stopped operating Coolant reservoir temperature is normal Coolant temperature is above the operating range Coolant flow is normal Coolant flow is not adequate Coolant level is normal Coolant level is over filled Coolant level is normal Coolant level is low Coolant level is very low Remote RTD not connected Remote RTD temperature probe is in use Table 6 Temperature controller Controls...

Страница 19: ...on in l pole 2 Amp circuit breaker Isolates the 24 VDC power supply output Normally on in Nine pin connector for remote EMERGENCY OFF start stop operation and remote setpoint operation enable See Figure 15 on page 56 for pinouts 3 pole 10 Amp circuit breaker Normally on up 3 pole 6 Amp circuit breaker Normally on up 3 pole 16 Amp circuit breaker Normally on up 3 pole 25 Amp circuit breaker Normall...

Страница 20: ...ons 25 Cto 80 C 25 Cto 30 C Process coolant 40 C Process coolant 20 C to 80 C 20 C 60 psig 10oC 0 2 to 26 C 0 2 3 phase delta balanced load 4 wire 3 phases earth gnd 200 to 208 VAC 50 60 Hz Up to 31 C Above31 C IEC 664 Installation Category II IEC 664 At a distance of 1 meter Specification Elapsed time 25 minutes Elapsed time 20 minutes 350 watts 2000 watts 2800 watts 3 gpm 11 36 lpm 40 Cto 80 C 0...

Страница 21: ...4 8 Dimensions TCU 40 80 TCU 40 80 inches millimeters Figure 6 TCU dimensions TCU 40 80 Temperature Control Unit 15 ...

Страница 22: ...urface can safely support the weight of the TCU 40 80 450 pounds evenly distributed The center of gravity is approximately the center of the refrigeration compartment When using a fork lift to move the TCU 40 80 position the forks from the side of the unit The TCU 40 80 weighs 450 pounds 204 kg Failure to take proper care in moving or lifting these units can result in serious bodily injury A 3 foo...

Страница 23: ...d units See Table 15 on page 52 for ordering information TCU 40 80 inches millimeters Figure 7 Stacked TCU 40 80 systems 5 4 Facilities The TCU 40 80 requires a water supply flow rate between 3 to 6 gallons per minute at a maximum pressure of 100 psig and an inlet temperature range of 10 C to 26 C Power input is by a fused suitable isolating electrical outlet 208 VAC 50 60 Hz 30 amp 3 phase delta ...

Страница 24: ... 4 1 Water and coolant connections Figure 8 shows a rear view of the TCU 40 80 with its water and coolant connections inches millimeters Figure 8 System rear view 18 j TCU 40 80 Temperature Control Unit ...

Страница 25: ...his TCU 40 80 is being installed on process equipment that has been used mth a coolant other than Fluorinert contact process equipment supplierfor retrofit instructions Connections to the coolant supply and return are made on the rear panel see Figure 8 on page 18 The maximum distance between the process equipment and the TCU 40 80 is 50 feet 100 feet total hose length 1 Attach the hoses to the su...

Страница 26: ...or off but they are re settablc 6 2 Powering up the TCU 40 80 1 Verify that the POWER ON lamp on the front panel is illuminated 2 Release the EMERGENCY OFF button If the Facility Power LED illuminates the line voltage is low or the phase of the main power supply is reversed Adjust the line voltage if it is low Correct the phases by swapping two phases in the electrical outlet 3 Press the RESET but...

Страница 27: ...ed the temperature range of 40 C to 80 This is the normal operating range of the TCU 40 80 To change the temperature settings press page up or page down to cither increase or decrease the temperature The red display PV indicates the process value The green display SP indicates the current setpoint Note The temperature controller has been programmed to prevent the setpointfrom exceeding the normal ...

Страница 28: ...perating at 208vac 3 ph 60Hz If the flow rate requires adjustment to accommodate the process equipment suppliers recommendations follow the steps below The flow rate may be measured using a flow meter external to the TCU 40 80 1 Open the left side access door 2 Peel back the insulation covering the by pass valve Refer to Figure 1 on page 6 3 The valve handle can be found in the plastic bag secured...

Страница 29: ...arnings High Pressure Water and the coolant arc pressurized within this equipment Water pressure will depend upon utility supply but usually is up to 60 psig The coolant can be at pressures up to 100 psig Refrigerant pressures can be up to 300 psig Do not open lines with pressure present Toxic Gases The coolant breaks down above 215 C If the coolant is allowed to reach these temperatures toxic gas...

Страница 30: ...r irritation ofthe hands Hand protection should be worn when working with these fluid systems Electric Shock Ensure that all electrical power has been removed and the main circuit breaker has been turned off prior to opening the electrical drawer The EMERGENCY OFF circuit EMO does not disconnect all power from the electrical drawer Extreme caution must be observed if performing maintenance operati...

Страница 31: ...ental contact is possible Potential exposures are less than 30 volts RMS 42 2 volts peak 240 volt amps 20 Joules See NFPA 79 14 3 IEC 204 UL 1950 1262 IEC 950 Equipment is energized Live circuits are exposed and accidental contact is possible Potential exposures are greater than 30 volts RMS 42 2 volts peak 240 volt amps 20 Joules or radio frequency rf is present Equipment is energized and measure...

Страница 32: ... necessary to bleed the coolant reservoir to correct an overfill condition Note The unit may continue running during this procedure Follow the procedure below whenever it becomes necessary to drain or bleed the system Firtreme Temnerature Hot or cold coolant may reach 40 C t0 80 C during UXtreme 1 emperature operation Hot or cold fluid can cause burns Coolant should be at ambient temperature befor...

Страница 33: ...adation of system performance Table 10 Preventive maintenance schedule Frequency Semi annual ly Annually Operation Verify system status Check coolant level Check lamps Coolant leak check Refrigeration leak check Insulation repair Water leak check Replace solenoid coils SV1 and SV2 System check Lamp replacement Hazard Type 3 Type 3 Type 3 Type 3 Type 3 Type 3 Type 3 Type 3 Note All maintenance shou...

Страница 34: ...r oil on the base insulation and on all refrigeration pipework Using a halogen leak detector check around the discharge and suction service valves of the compressor and all accessible refrigeration pipework 7 7 5 Fluorinert leak check Use a halogen leak detector to check all supply and return line connections at both the TCU and process equipment around the pump head assembly drain valve heater fl...

Страница 35: ...ower supply 4 Locate the two securing screws on the front electrical panel and loosen Open the electrical drawer 5 If replacing the POWER ON lamp locate contactor block LPl on the back side of the front electrical panel If replacing the RESET lamp locate contactor block PBl on the back side of the front electrical panel 6 Pry up the metal retaining ring attached to the coupling plate Remove the co...

Страница 36: ...ire replacement notify the appropriate personnel that an EMO condition will occur Failure to follow these instructions may result in the shut down ofthe process tool and associated equipment 30 1 Press STOP Turn off the main circuit breaker CB1 2 Disconnect the power cord from the mains power supply 3 Locate the main cooling solenoid valve SV1 from the left side access door 4 Remove the junction b...

Страница 37: ...splices 16 Tighten the strain relief retaining nut 17 Install the original junction box cover and fasten attachment screw 18 Install the spacer cup 19 Install and tighten the lock nut 20 Verify the coil junction box is labeled SV1 21 Repeat the procedure for Hot Gas Bypass solenoid valve coil SV2 22 Discard the old solenoid coils 23 Perform the System Check procedure Retaining nut Junction box cov...

Страница 38: ... 6 shorted READY lamp on Indicator Relays LEDs Power Reset PMR Current sensing relay Condition All off All off On Off Green Off Note REMOTE RTD is optional LED will be green ifused Reset button 1 Press RESET 2 Verify contactor Kl engages 3 Verify LED indicator on PMR is green Indicator Relays LEDs Power Reset PMR Current sensing relay Condition CR4on all others off FACILTITY POWER FACILITY WATER C...

Страница 39: ... press either the JLot keys until the display reads 458 This is the first menu in the Ctrl PAGE Verify that the menu settings for the Ctrl PAGE are as follows PID1 heatinR Pbl Arl rAtl dbl value 8 0 0 43 7 0 1 0 PID2 cooling Pb2 Ar2 rAt2 db2 value 12 5 0 7 9 0 1 0 parameter proportional band automatic reset rate deadband OFst CooL 0 0 FL PID2 On Orng rSP 0 0 On LooP Enti OFF rSP Auto 4 Au none rrA...

Страница 40: ...terlock switch then release it The READY lamp should go out Contactor Kl should open the temperature controller and the front panel LED indicators should go out Place the drawer interlock switch in the maintenance position Press RESET Press START PMR 1 On the PMR rotate the adjustment knob completely clockwise 2 Verify the unit shuts down LED 1 Facility Power illuminates red and that the alarm sou...

Страница 41: ...d On Off Green Off Note REMOTE RTD is optional LED will be green if used 4 Reset CSRI to 25 amps 5 Press RESET 6 Press START Circuit breaker 1 Power off CB4 The TCU will shut down alarm will sound and CIRCUIT BREAKER LED should be red 2 Press MUTE 3 Power on CB4 press START 4 Repeat steps 1 thru 3 for CB3 and CB2 Indicator Relays LEDs Power Reset PMR Current sensing relay Condition CRI CR4 CRH CR1...

Страница 42: ... optional LED will be green ifused 3 Remove short 4 Press RESET 5 Press START Reservoir over temperature 1 Short wire 23 TBl to wire 56 relay board J3 3 The TCU will shut down alarm will sound and COOLANT TEMPERATURE LED should be red 2 Press MUTE Indicator Relays LEDs Power Reset PMR Current sensing relay Condition CR4 CR6 CRll CRI3on all others off FACILITY POWER FACILITY WATER CIRCUIT BREAKERS ...

Страница 43: ...RTD is optional LED will be green ifused 3 Remove short 4 Press RESET 5 Press START Compressor 1 Short wire 57 Relay board J2 5 to wire 60 Relay board J3 1 After 5 second delay the TCU will shut down alarm will sound and COMPRESSOR LED will be red 2 Press MUTE Indicator Relays LEDs Power Reset PMR Current sensing relay Condition CR4 CR8 CRll CR13on all others off FACILITY POWER FACILITY WATER CIRC...

Страница 44: ... REMOTE RTD off COOLANT FLOW red On Off Green Off Note REMOTE RTD is optional LED will be green ifused 3 Reset overload trip to 3 5 amps 4 Press RESET 5 Press START Reservoir overfill 1 Short wire 23 TBl towire 63 Relay board J3 4 COOLANT NORMAL LEVEL LED will go from green to amber Indicator Relays LEDs Power Reset PMR Current sensing relay Condition CR4 CR5 CR10 CRI2on all others ofT FACILITY PO...

Страница 45: ...n 2 Remove connector J72J3 Cooling 1 Change the temperature controller set point to 40 C 2 Verify CR15 on the relay board illuminates 3 Verify main solenoid valve SVl has opened by confinning that the sight glass has filled with refrigerant 4 Verify OUT 2 LED on the temperature controller is on Indicator Relays LEDs Power Reset PMR Current sensing relay Condition CR4 CR10 CRI5on all others off FAC...

Страница 46: ...rent sensing relay Condition CR4 CRI0on all others off FACILITY POWER FACILITY WATER CIRCUIT BREAKERS COMPRESSOR COOLANT TEMPERATURE COOLANT FLOW COOLANT NORMAL LEVEL REMOTE RTD green COOLANT LOW LEVEL REMOTE RTD off On On Green Green Note REMOTE RTD is optional LED will be green fused Process value setting 1 Set the temperature controller to the proper process set value 2 Verify all the host inte...

Страница 47: ...Timer hours Coolant pressure Process temperature Fluonnert type Quantity ofFluonnert added Operation mode Utilities water temperature Leak check results FC8270 Remote Pass Hours psig C FC77 lbs Local C Fail Other liters Remarks Parts replaced Quantity Cause reason Actions concerns TCU 40 80 Temperature Control Unit 41 ...

Страница 48: ...ower circuit breaker CB1 is on Verify that the POWER ON lamp assembly is receiving 24 VAC To do this opening of the electrical drawer is necessary This will activate the drawer interlock switch and shut the TCU 40 80 down Notify the tool operator prior to opening the electrical drawer Check to see that 24 VAC is present across the lamp assembly terminal block LPI terminals XI and X2 If 24 VAC is p...

Страница 49: ...replacement Action Verify the front panel EMERGENCY OFF EMO is engaged Ensure that the interface connector J72J2 is installed with pins 5 and 6 linked Refer to the Remote Interface wiring schematic on page 56 Ensure the electrical drawer is fully closed and that the securing screws are tightened Verify that the remote EMERGENCY OFF EMO is not engaged Verify the correct wiring to the interface conn...

Страница 50: ... trip at 177 VAC If necessary replace the PMR with a known calibrated PMR EHVJ part no P60056100 Verify that the water supply lines are connected properly to the unit Verify water is turned on Refer to the Water and coolant connections instructions on page IS Verify that water supply valves are open and that the water flow is between 3 6 gpm Refer to the Specifications Table on page 14 Verify faci...

Страница 51: ...pework Use a halogen leak detector to leak check all accessible refrigeration pipework and the compressor service valves If compressor oil is noted or a leak is located remove all power to the unit and contact an Edwards service representative Verify 24 VAC is present between wire 15 J4 5 on the relay board and wire 4 TBI To do this opening of the electrical drawer is necessary This will activate ...

Страница 52: ...o terminals of the compressor motor should be 1 4 ft 0 3 fl Verify all three phases are within specification If the motor winding resistance are out of tolerance contact an Edwards service representative Verify that the compressor is receiving all three phases 208 VAC at the compressor terminals Ensure the heat load power does not exceed 2000 watts Refer to the Specifications Table on page 14 Veri...

Страница 53: ...he flow switch is required Remove the insulation from the enclosing tube of the flow switch Loosen but do not remove the two locking plate securing screws on the top of the flow switch This will allow movement of the reed contact Make minor adjustments to the reed contact until 0 VDC is seen at no flow and 24 VDC is present when the unit is running After the proper adjustment to the reed contact i...

Страница 54: ...ant NORMAL LEVEL LED is amber Coolant LOW LEVEL LED is amber Coolant LOW LEVEL LED is red Possible causes Reservoir is over filled Fluid volume is low less than 8 liters There may be a leak Coolant level is very low less than 3 5 liters Reservoir drain valve is open There may be a leak Action Drain the reservoir until the LED turns green Refer to Draining bleedlng the coolant reservoir on page 26 ...

Страница 55: ...age 44 Verify that the remote RTD is wired correctly Refer to the Remote Interface wiring schematic on page 56 Verify that terminals 4 and 5 on connector J72J3 are linked Refer to the Remote Interface wiring schematic on page 56 Verily that the RTD is 100 ohm European Verify temperature controller PID settings Refer to the Temperature controller portion of the System Check on page 21 Verify 24 VAC...

Страница 56: ...the OUT 2 lamp on the front of the temperature controller is ON when the unit is in cooling mode Replace the temperature controller if necessary EHVI part no P43008000 Verify proper wiring of connector J72J2 Refer lo the Remote Interface wiring schematic on page 56 Verify that the remote START STOP jumper located across terminal TB1 I on terminal block TB1 is removed To do this opening of the elec...

Страница 57: ...M TBl K4 KJ 2 K1 Figure 13 Electrical drawer TCU 40 80 Temperature Control Unit 51 ...

Страница 58: ... bottom or single unit to floor Remote RTD assembly auxiliary Coolant RTD assembly external Leveler kit Secondary containment receptacle Funnel Host interface connector kit Fluorincrt Fluorinert Contents Qty Ball valve 1 2 female NPT 2 1 2 male connector 4 Rod 3 8 16 x 7 4 Hex nut 3 8 16 4 Flat washer 3 8 4 Unistrut channel 2 Studs3 8 16x5 4 Hex nut 3 8 16 4 Flat washer 3 8 4 Lock washer 3 8 4 100...

Страница 59: ...al refurbishment kit Coolant pump rebuild kit Coolant pump motor assembly Contents Qty Lamps 28vac 60 mA 4 Solenoid valve coils 2 Electrical drawer 1 Filter dryer I Discharge service valve 1 Suction service valve 1 Heater contactor 1 Pump contactor 1 Solenoid valves 2 Lamps 2 Gear shafts 2 Gears idler drive 2 Seals 3 Wear plates 4 Bearings 4 Coolant pump motor 1 TCU 40 80 Temperature Control Unit ...

Страница 60: ...APPENDIX Figure 14 Electrical drawer schematic 54 TCU 40 80 Temperature Control Unit ...

Страница 61: ...TCU 40 80 Temperature Control Unit 55 ...

Страница 62: ...mote setpoint temp ln VOC n4JTCU fail Out 24 l VDCJTCU wornin9 o J72J2 u i n n iH 5 6 7 8 9 g i l N C Lr N Cr L rv N O 24 VAC TCU EMO condition Setpoint enable Process equipment EMO Stop button Remote Start button J72J3 5 Remote RTO 56 Figure 15 Remote interface TCU 40 80 Temperature Control Unit ...

Страница 63: ...V TCU 40 80 Temperature Control Unit 57 ...

Страница 64: ...s transported in vehicles where the driver does not share the same air space as the equipment PROCEDURE Use the following procedure 1 Contact your supplier and obtain a Return Authorization Number for your equipment 2 Turn to the next page s photocopy and then complete the Declaration HS2 3 Drain all fluids from the equipment and its accessories 4 Disconnect all accessories such as levelers and ho...

Страница 65: ...Q noD safety If you have answered no to all of these questions go to Section 4 Your supplier will not accept delivery ofany equipment that is contaminated with radioactive substances unless you Decontaminate the equipment Provide proofofdecontamination YOU MUST CONTACT YOUR SUPPLIER FOR ADVICE BEFORE YOU RETURN SUCH EQUIPMENT SECTION 3 LIST OK SUBSTANCES IN CONTACT WITH THE EQUIPMENT Substance nam...

Страница 66: ...d deficiency no later than seven 7 days after the expiration date of the warranty to the address designated by Edwards transportation charges prepaid In the event that Edwards elects to refund the purchase price the apparatus shall be the property of Edwards and shall be shipped to Edwards at Edward s expense This Mechanical Warranty shall be void and the apparatus shall be deemed to be purchased ...

Страница 67: ...TREC 1 800 424 9300 Medical Emergency 1 800 441 3637 COMPOSITION INFORMATION ON INGREDIENTS Components Material PENTAFLUOROETHANE HFC 125 ETHNE 1 1 1 TRIFLUORO HFC 143a ETHANE 1 1 1 2 TETRAFLUORO HFO 134a HAZARDS IDENTIFICATION CAS Number 354 33 6 420 46 2 44 52 811 97 2 4 Potential Health Effects Inhalation ofhigh concentrations of vapor is harmful and may cause heart irregularities unconsciousne...

Страница 68: ...ntrations equal to or greater than 0 1 are listed by IARC NTP OSHA or ACGIH as a carcinogen FIRST AID MEASURES First Aid INHALATION If high concentrations are inhaled immediately remove to fresh air Keep person calm If not breathing give artificial respiration If breathing is difficult give oxygen Call a physician SKIN CONTACT Flush skin with water for at least 15 minutes after excessive contact T...

Страница 69: ...l it should not be used or allowed to be present with high concentrations of air above atmospheric pressures Experimental data have also been reported which indicate combustibility of HFC 134a in the presence of certain concgntrations of chlorine Extinguishing Media As appropriate for combustible in area Fire Fighting Instructions f Cool cylinder with water spray or fog Self contained breath ng ap...

Страница 70: ...sed to avoid prolonged or repeated exposure Chemical Splash goggles should be available for use as needed to prevent eye contact Under normal manufacturing conditions no respiratory protection is required when using this product Self contained breathing apparatus SCBA is required if a large release occurs Exposure Guidelines Applicable Exposure Limits PENTAFLUOROETHANE HFC 125 PEL OSHA None Establ...

Страница 71: ...ion Decomposition products are hazardous SUVA HP62 can be decomposed by high temperatures open flames glowing metal surfaces etc forming hydrochloric and hydrofluoric acids and possibly carbonyl halides TOXICOLOGICAL INFORMATION Animal Data The blend is untested HFC 125 Inhalation 4 hour ALC 709 000 ppm in rats Single high inhalation exposures caused decreased activity labored breathing and weight...

Страница 72: ... male and female rats fed diets containing 300 mg kg day ofHFC 134a for 52 weeks Animal testing indicates that this compound does not have carcinogenic or mutagenic effects Inhalation of 50 000 ppm for two years caused an increase in benign testicular tumors in male rats No effects were observed at lower concentrations The tumors were late occurring and were judged not to be life threatening Embry...

Страница 73: ...toxicological Information Aquatic Toxicity HFC 143a 96 hour LC50 rainbow trout 40 mg L DISPOSAL CONSIDERATIONS Waste Disposal Comply with Federal State and local regulations Reclaim by distillation or remove to a permitted waste disposal facility TRANSPORTATION INFORMATION Shipping Information D MO Proper Shipping Name LIQUEFIED GAS N O S CONTAINS PENTAFLUORDETHANE AND TETRAFLUOROETHANE Hazard Cla...

Страница 74: ... use conditions Additional Information HFC 125 and HFC 143a are TSCA listed and are controlled by a TSCA Section 5 Consent Order The date in this Material Safety Data Sheet relates only to the specific material designated herein and does not relate to use in combination with any other material or in any process Responsibility for MSDS DuPont Chemicals Address Engineering Product Safety P 0 Box S07...

Страница 75: ...NOTES ...

Страница 76: ...tional 550 Sycamore Drive Milpitas CA 95035 Tel 408 946 4707 Fax 408 946 8510 CANADA Edwards High Vacuum 3375 North Service Road Units B2 B3 Burlington Ontario L7N3G2 Tel 905 336 9119 Fax 905 845 4924 BRAZIL Edwards Alto Vacuo Rua Benardo Wrona 222 Bairro do LimSo 02710 Sao Paulo SP Tel 11 858 0377 Fax 11 265 2766 PACIFIC JAPAN Nippon Edwards KK Shuwa Shiba Park Building A 3F 2 4 1 Shibakoen Minat...

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