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Polycold Closed Loop Gas Chiller (825130)

1. TDR HI PRESS LO PRESS AND PROPRIET ARY INFORMATION HELIX TECHNOLOGY CORPORATION HELIX POLYCOLD SYSTEMS INC E PEE ME NEITHER THE DOCUMENT NOR THE INFOR 3800 Lakev ille Highway Petaluma CA 94954 707 769 7000 MAT ION THEREIN IS TO BE REPRODUCED PRESSURE TRANSDUCER 0 300 PSI PC P N 326096 00 SAFETY LOOP DETAIL EE De DE IN WHOLE OR IN PART EXCEPT AS N POWER SUPPLY 15 VDC PC P N 326098 00 SPECIFICALLY AUTHORIZED BY CKT DIAG GAS CHILLER PGCL1 V3 SE HELIX POLYCOLD SYSTEMS INC POWER SUPPLY 24 VDC PC P N 326092 00 SOAK DATE DWG NO 679316 00 00 B HE 29 200 1 2 3 4 5 6 IN MASS FLOW SENSOR PC P N 326097 00 825130 00 REV B Page 77 SWITCH CKT BRKR MAIN POWER amp SAFETY CONTROL CIRCUITRY RLY2 BRN __ 4 11 14GA 3C 1 2 L m am lt 1 lt e Y CPRSR DISCH m O lt PRESS SW Y 15K 145 175UF O a C1 C2 RLY2 T T C MOTOR WINDING COMMON 7 START RUN S START WINDING 2 12 x R RUN WINDING FAULT T 52 INDICATION 2 CPRSR LIQUID LINE v t 9 E Tstarsw CIRCUIT D gt 40 x x1 z A 208V 1 50 60Hz 5 ee lt sl S INDB g IND 16GA4C X2 RUN LL 24VDC pce TE E 16GA 4C C 1 1 m lt MOTOR HAS INTERNAL THERMAL OVERLOAD DEVICE 28 T TDR2 x LLI BLK 25 POTENTIAL
2. un hA mpm i M A LI i Terminal Block with Power Cord Connected 8 Re install plastic guard see photo below Terminal Block with Power Cord Connected and Plastic Guard Installed 825130 00 REV B Page 38 9 Installation of seismic anchorage brackets Make sure seismic anchor jack screws are installed See Appendix 7 5 for more information Install SEMI 92 approved seismic anchorage brackets Install seismic anchorage brackets that secure the seismic anchor jack screw firmly to the facility floor Seismic anchorage brackets must be suitable to withstand a seismic load of 1400 lbs per SEMI S2 requirements See semi org for more information on S2 requirements AWARNING TIPPING HAZARD HIGH CENTER GRAVITY LESS THAN 10 MAX TILT ANGLE Maintain weight on casters at all times 10 1XCL Safety Circuit Connector WARNING THIS UNIT MUST BE WIRED INTO THE CUSTOMER S SAFETY CHAIN HAZARDOUS VOLTAGE EXISTS AT ALL TIMES AFTER THE POWER IS CONNECTED Only qualified electricians should perform electrical work Power should be removed at the point of electrical connection and locked out following standard lock out tag out procedures A lock out device may be placed on the supply power circuit breaker provided by host or on the supplied electrical power plug The safety circuit connector provides two distinct functions The first being pressure switch fault statu
3. BROOKS AUTOMATION Customer Instruction Manual POLYCOLD CLOSED LOOP GAS CHILLER MODEL 1XCL 3 SE 440VAC Part 700193 05 MODEL 1XCL 3 SE 2 440VAC Part 700193 06 MODEL 1XCL 3 SE 2 480VAC Part 700193 09 Serial Coo Solutions 825130 00 REV B Page 1 TABLE 5 TABLE bx en 2 KO INTRODUCTION E EL Pe 4 EL FOREWORD aeaa MM Ee ne ee a 4 1 2 S si poA 8 M Oa PM ARE A ACER AE 5 TAT HAZARDALERTSJANEORMATIGO 6 MH 15 1 6 SAFETY INFORMATION 17 1 7 SAFETY TRAINING GUIDELINES 00020000 0 00000 19 1 8 LOCK OUT ec Sco tas 20 2 0 INSTALLATION 21 2 God it a EP C m 21 Figure 3 System Block Diagram 02222 23 Figure 4 Dimensions Front version 05 2000222000220000000 Benno nenne nenne nennen 24 Figure 5 Dimensions Rear version 05 2 2 2 25 Figure 6 Dimensions Front version 06 26 Figure 7 Dimensions Rear version 0
4. 44 4 825130 00 REV B Page 68 2 Lift the unit up about 18 inches 0 5 meters off the ground using a forklift hooks and harness A WARNING LIFTING HAZARD 900 pounds 400 kg Failure to properly lift this device may result in severe injury or death If lifting using the lifting eyes shown below Assure that the eyes are fully engaged in the frame with no exposed threads Use all four lifting eyes with an adequate lifting harness and mechanism Lifting harness must be centered between the lifting eyes Lift vertically only with no horizontal component If lifting from the bottom using a fork lift use only appropriate equipment operated by trained employees Strap the unit to the vertical back support of the fork lift to prevent the unit from tipping over when on the forks fi Le TOYOeTA 825130 00 REV B Page 69 3 Install threaded rod in front of unit Locate opening on bottom side of frame centered the front and labeled Seismic Anchor Point Identify end of threaded rod with machined flats this is the top Insert top of threaded rod from below and thread up through frame until flats are exposed Install pad onto bottom of threaded rod Use a wrench on the pad and the flats to tighten Thread jack screw higher up so that the pad will not contact the floor when the machine is lowered to the ground 4 The remaining seismic anchor jack screws can be installed with the unit on the floor supporte
5. A fusible plug is installed in the discharge plumbing of the compressor and serves as the controlled release point for refrigerant should a fire occur in the area of the 1XCL The fusible plug provides a means to reduce high pressures caused by excessive ambient temperatures in a manner that does not result in an explosion A high temperature switch is coupled to the condenser refrigerant side In the event that the condenser is obstructed or flow is otherwise interrupted the refrigerant temperature will rise opening the contacts on the high temperature switch This removes power from the compressor and turns it off This switch requires manual reset The user should not adjust it Schematic representations of safety device locations may be found in the Process and Instrumentation Diagram and on the Electrical Diagrams GAS COMPRESSOR UNIT Low Pressure Switch High Pressure Switch Oil High Temp Pressure Switch Compressor Shell High Temperature Switch Gas High Temperature Switch 825130 00 REV B A low pressure switch is incorporated in the suction side of the gas compressor The switch opens contacts if the gas pressure drops below normal operating pressure interrupting power to the compressor and turning it off This switch is auto reset The user should not adjust it A high pressure switch is incorporated in the discharge side of the gas compressor The switch opens contacts if the gas pressure exceeds normal op
6. EVA CU TION GAS OUT VAI VE N REGENERA TIVE HEAT PRESSURE GAUGE HOST CHILLED GAS IN EQUIPMENT RE __ EXPANSION TANK STACK al COOLNG WATER RETURN 2025 WATER COOLED j PRESSURE COOLING WATER CONDENSER 1 SUPPLY EL REFRIGERATION COMPRESSOR UNIT SYSTEM BLOCK DIAGRAM Figure 3 System Block Diagram 825130 00 REV B Page 23 Figure 4 Dimensions Front version 05 825130 00 REV B Page 24 3 Phase Power Inlet Female 205 kPa 30 psig minimum 690 kPa 100 psig maximum 5 7 to 9 5 L m 1 5 to 2 5 gpm EMO Connectors Temperature Supply Thermocouple Retum Connectors Miniature lig lt Gas Fill 1 4 Compression Male y i i f S F 4 F OR RS EE Figure 5 Dimensions Rear version 05 825130 00 REV B Page 25 D Figure 6 Dimensions Front version 06 825130 00 REV B Page 26 3 Phase Power Inlet EMO Connectors Gas 1 4 Compression Male gt gt H 2 x9 if p f 4 i 5 51 Figure 7 Dimensions Rear version 06 825130 00 REV B Page 27 2 2 ABOUT THE 1XCL 1 What it is and what it does Polycold s Cool Solutions 1XCL is refrigeration unit that cools a stream of
7. On 480V unit provide attachment plug and cord to equipment mounted Hubble HBL2733 receptacle Wire stripper 2 Phillips head screwdriver 11 16 inch socket wrench for shipping bolt 7e inch box wrench for 1 3 8 inch freeze plug 1 Inspect the 1XCL crate for damage and document visible damage 2 Open the crate and inspect the 1XCL Notify the carrier immediately if you suspect the 1XCL was damaged during shipping Read the dial of the RECIRCULATING GAS SUPPLY GAUGE and record the pressure psig Read the dial of the REFRIGERANT SUCTION GAUGE and record the pressure psig 825130 00 REV B Page 31 3 Determine if the Seismic anchor jack screws installed If not install the seismic anchor jack screws per the procedure shown in 7 5 4 Remove the 1XCL from the crate using the top mounted lifting eyes A WARNING LIFTING HAZARD 900 pounds 400 kg Failure to properly lift this device may result in severe injury or death Read the manual before lifting this equipment using the lifting eyes Assure that the eyes are fully engaged in the frame with no exposed threads Use all four lifting eyes with an adequate lifting harness and mechanism Lifting harness must be centered between the lifting eyes Lift vertically only with no horizontal component WARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe
8. reads 12 or minimum Autofill setting See section 3 4 and nitrogen discharge pressure is less than 140 Check evidence of flow via mechanical flow meter on front panel of unit Incorrect vacuum jacked lines Check against tool OEM AND Nitrogen flow has Gas supply temperature specifications been checked and is OK incorrect e Check gas supply temperature if colder than 70 check Chuck heater control If warmer than 70 and refrigeration compressor has been in operation for greater than 1 hour record refrigeration suction pressure Inlet gas flow is not within and call your certified service specification agent or Polycold Gas circuit has a leak Water circulation through Polycold manual 825104 section the condenser is 4 0 Inspection amp Maintenance inadequate Refrigerant circuit has leak and then stops out of phase that the voltage selected is correct The circuit breaker may have been triggered or the thermal overload protector on the compressor may be cycling the compressor on and off Verify the following he compressor s are not overheating The power supply voltage is adequate 1XCL makes unusual Verify the following Remove the shipping bolt on the noises The Shipping Bolt at the compressor See Polycold manual base of the Gas Compressor 825104 section 2 3 step 7 In Unit has been removed addition look for loose parts and or There are no loose parts
9. PROCEDURE OTHER THAN THE ROUTINE OPERATION OF THE 1XCL Performance of procedures other than those specified herein may result in hazardous exposures to electrical ultra low temperature or moving parts hazards Additional precautions are located in the appropriate section of this manual A CAUTION THE 1XCL CONTAINS PRESSURIZED GAS DO NOT OPEN THE REFRIGERANT CIRCUIT TO THE ATMOSPHERE All refrigeration work must be performed by qualified Type 2 High Pressure refrigeration technicians Do not loosen any valve packing or fittings unless you are specifically following the instructions in the recharge procedure Discharge of refrigerant may cause personal injury due to high pressures or ultra low temperatures In addition if refrigerant is lost the 1XCL may need to be recharged before it can be used N WARNING HAZARDOUS VOLTAGE EXISTS AT ALL TIMES AFTER THE POWER IS CONNECTED Only qualified electricians should perform electrical work Power should be removed at the point of electrical connection and locked out following standard lock out tag out procedures A lockout device may be placed on the supply power circuit breaker provided by others or on the supplied electrical power plug N DANGER po REACH INSIDE THE 1XCL WHEN IT IS OPERATING The unit contains hazardous voltages and extreme temperatures N DANGER po NOT TOUCH AN UNINSULATED GAS LINE OR THE EXITING GAS STREAM WHEN THE 1XCL IS OPERATING The system circulates gas
10. Zaris Z Bot Aquatrap Conductron Convectron Cool Solutions Cryodyne Cryogem Cryogenerator CryoTiger Cryo Torr CTI Cryogenics FastRegen GOLDLink Granville Phillips GUTS Helix Micro Ion Mini Convectron Mini Ion M On Board Polycold RetroEase RetroFast Stabil Ion ThinLine True BlueSM TurboPlus and Vacuum are trademarks of Brooks Automation Hardware other trademarks are properties of their respective owners O Brooks Automation 2006 AII Rights Reserved The information included in this manual is Brooks Proprietary Information and is provided for the use of Brooks customers only and cannot be used for distribution reproduction or sale without the expressed written permission of Brooks Automation This information may be incorporated into the user s documentation however any changes made by the user to this information 15 the responsibility of the user BROOKS AUTOMATION Brooks Automation 15 Elizabeth Drive Chelmsford MA 01824 Phone 1 978 262 2400 Fax 1 978 262 2500 For emergencies contact Technical Support 1 978 262 2900 www brooks com This manual is available in the following languages English This technology is subject to United States export Administration Regulations and authorized to the destination only diversion contrary to U S law is prohibited Printed in the U S A 2006 by Brooks Polycold Systems Inc rights reserved Printed in the Unite
11. long as the rear of the f unit 1 accessible ACCESS ACCESS another 42 service area is required IXCL BREA REA TOP VIEW REAR WA 904 170 TE Figure 8 1XCL Footprint 825130 00 REV B Page 33 LOCATION OF WHEEL PIVOT R2 405 POINT WHEEL 1 75 SEISMIC TOP SEISMIC ANCHOR POINTS ANCHOR POINTS 0 50 TYP Fa 5 5 8 506 10 840 7 660 CGT RM 1 6250 UR Hm Es y M 450 3 m 1 6250 17 813 20 125 POINT LOADS POINT LOADS BOTTOM SEISMIC ANCHOR POINTS MAXIMUM TILT ANGLE LESS THAN 10 FIGURE 9 1XCL version 05 440V Weight Distribution 825130 00 REV B Page 34 SEISMIC ANCHOR POINTS 8 506 33 24 17 813 POINT LOADS BOTTOM SEISMIC ANCHOR POINTS 2 EACH FRONT AND REAR LOCATION OF WHEEL PIVOT 2 405 2 50 WHEEL SEISMIC ANCHOR POINTS 20425 POINT LOADS MAXIMUM TILT ANGLE LESS THAN 107 FIGURE 10 1XCL version 06 440V Weight Distribution 825130 00 REV B Page 35 1 Accessible through access hole Shipping is located in bottom pan underneath compressor There is a bolt at the base of the lower compressor that has been provided to protect the compressor from damage during shipping Do Not operate the unit with this shipping bolt in place Verify that the bolt has been removed prior to initia
12. pumped though the GAS circuit the 1XCL will condense water in the GAS circuit whenever the Polycold stack is cold This can occur while waiting for the stack to cool down after turning on the 1XCL and up to four hours after turning off the 1XCL as well If the host equipment is sensitive to water condensation can be avoided while not in use by plugging the open end s of the GAS circuit or allowing a small amount about 5 of dry nitrogen to purge the GAS circuit AATTENTION The refrigeration compressor control circuit features a time delay to remote signals After sending a remote signal on or off to the refrigeration compressor wait 2 minutes for this action to take place AATTENTION Due to shipping temperatures thermal switch TS1 may have tripped during transit Locate and reset the switch upon installation Contact your local sales representative or the Polycold Cool Solutions Service Department if you need any assistance trouble shooting or repairing your 1XCL Be sure to do this if the compressors have an internal problem if the refrigerant circuit has a leak or if the cooling water circuit is obstructed Also see section 3 3 for resetting safety limit switches 825130 00 REV B Page 49 GENERAL TROUBLESHOOTING MATRIX Possible Cause Corrective Action EMO tripped on user system or 1XCL Unit does not start and there are no indicating lights on at the unit Determine if EMO is tripped confirm that
13. return port bayonet connector at the Polycold unit b Purge the lines and chuck with nitrogen by turning on the nitrogen source and flowing approximately 5 to 10 SCFM for 30 minutes c Turn off nitrogen and re connect the coolant gas outlet bayonet connector d Fill unit with nitrogen to 70 90 psig e Verify that the return joint is leak tight pressure degrade or soap test etc 825130 00 REV B Page 42 3 Turn refrigeration compressor and wait at least 30 minutes to allow refrigerant to achieve equilibration inside the Polycold unit 4 After the refrigeration compressor has run for at least 30 minutes turn on recirculation compressor and wait at least 30 more minutes to allow the recirculating nitrogen to cool the chuck and the vacuum jacketed lines 5 Observe record recirculation compressor pressure it must be 85 115 psig 6 Ifthe pressure is not as described in step above then allow auto fill control to add nitrogen until desired pressure is obtained If the Chuck table does not achieve cold enough temperatures Check the thermocouples with a K type thermocouple read out meter The temperatures during normal operation are o Thermocouple connector at left hand side Chuck inlet Polycold outlet temperature Temperature should be colder than 70 C Note If the temperature is warmer than this check the following o Refrigeration gauge during operation suction pressure specification is 20 40 psig o Recircu
14. the EMO switch is in the extended normally closed position EMO switch on the 1XCL and the user system is in the correct ON position If this is the reason make sure it is safe then reset and restart the system No power to system Confirm that upstream power source is adequate Reconnect the equipment Apply power Inadequate power to system Correct power problem and supply adequate power to the equipment For power requirements see table B in Polycold s 825104 Customer Instruction Manual Also verify the transformer taps are properly configured see Section 2 3 step 12 Disconnect user interface and install remote jumper if compressors start troubleshoot tool side of user interface If either compressor fails see section 6 2 or 6 3 E uu c uu Refrigeration compressor section 6 2 not operating Gas compressor is operating Re ee nEEYy Gas compressor is See Section 6 3 operating Refrigeration compressor is not operating Unit has power and both Customer user interface not Refrigeration and Gas connected properly compressors are not operational 825130 00 REV B Page 50 Possible Cause Corrective Action Refrigeration and Gas Line obstruction or Autofill not Verify nitrogen source is dry dew compressor both operating working See section 6 5 point of 80 C or less but cooling is inadequate Verify nitrogen suction pressure is greater than 12 i e red led
15. 40 and 160 psi Note initial pressure psi Wait approximately 30 minutes for the Refrigeration Unit portion of the unit to reach operating temperature Turn on the gas compressor via the remote 10 If the system does not start see Section 6 Troubleshooting 825130 00 REV B Page 44 3 2 BAKE OUT AND POST BAKE COOLING It is the responsibility of the operator integrator to allow sufficient time after a bake out cycle to bring the 1XCL down to temperature slowly with out subjecting the components of the integrated unit to thermal shock or stresses that can cause premature failure After a bake out cycle operate the gas compressor only until the return temperature is lt 32 C and then turn on the refrigeration chiller User must control rate of chuck cooling to be within the design limits of the chuck 3 3 RESETTING SAFETY INTERLOCKS AFTER FAULT First try to determine the reason behind the fault condition and affect the proper remedy In normal operation the protective devices should not be triggered but should the need arise these devices can be reset See interlock descriptions in Section 1 6 Refer to the following illustrations LOCATION OF PROTECTIVE DEVICES d TS1 PUSH HTS RESET BUTTON RESETTING HIGH TEMPERATURE SWITCH 825130 00 REV B Page 45 PS1 Reset Switch RESETTING 51 SWITCH PS3 Reset HLPS Switch RESET BUTTON RESETTING PS1 amp PS2 PRESSURE SWITCH 4 0 IN
16. 6 27 22 ABOUT THE TAG 28 23 INSPECT AND INSTALE TRIE N 31 24 tal va ehem rss enit 41 2 5 INSTALL THE EXTERNAL GAS CIRCUIT AND GAS FILL LINE 41 2 0 EMERGENCY OFF CIRCUIT cott tra tese vata e ete naro vaio 43 SB OPERATION Se ea __ 43 44 3 2 BAKE OUT AND POST BAKE 8 45 3 3 RESETTING SAFETY INTERLOCKS AFTER FAULT 45 4 0 INSPECTION amp MAINTENANCE c ccccccssssserccssonsseeccnanseesecseasseesecseauseeeeeseasecesseasaetecssoasenensenses 46 5 0 DISCONNECTION STORAGE AND RESHIPMENT 48 OD TROUBLESHOOTING Er 49 GENERAL TROUBLESHOOTING MATRIX 50 6 2 INDICATOR LAMPS BASED TROUBLESHOOTING 52 6 3 GAS COMPRESSOR UNIT HC 8 FAULT MODES 57 6 4 AUTOFILL TROUBLESHOOTING 5 60 6 5 AUTOFILL TROUBLESHOOTING MATRIX 0999 61 6 5 AUTO FILL STATUS TABLES ae 62 6 7 AUTOFILL RELAYS AND SOLENOID VALVE 63 6 8 ADJUSTING AUT
17. 8 when line voltage is present yellow LED EMO emergency machine off BUTTON Used to power down the unit s in the event an emergency situation should occur This circuit is wired to a dedicated safe voltage supply and if activated all unit functions will cease and cause power contactors to open with the exception of power to this circuit This button latches in the off position and must be rotated clockwise to disengage Hazardous voltages remain in the unit from the point of electrical connection to the line side of the compressor contactors The customer is responsible for removing power from the Polycold unit supply when the EMO circuit is activated RECIRCULATING GAS SUPPLY GAUGE This dial represents supply pressure from the Gas Compressor Unit HC 8 portion of the cooling unit to the host equipment During normal operation the dial typically reads 85 115 PSI REFRIGERANT SUCTION GAUGE This dial represents internal Refrigeration Unit pressure suction During normal operation the dial typically reads 25 35 PSI SEISMIC ATTACHMENT POINTS These 4 3 8 16 NC threaded barrels are provided for seismic anchoring and can be used to install seismic anchor jack screws LIFTING EYES These 4 lifting eyes are provided as an accessory to safely lift the unit into place These eyes are mounted in 3 8 16 NC threaded barrels N WARNING LIFTING HAZARD 900 pounds 400 kg Failure to properly lift this device may result
18. 915 m Ex y C z m m m fn m 330 NO SL LMS e e e pe a LS 251 0 00 co s SNOISIA3H Page 76 825130 00 REV B 1 2 3 4 5 6 7 Win ee 208 i gt RMT CPRSR SYS o ee 24VDC CPRSR ON 440 VAC 2 _ STATUS CONT CPRSR 51 2 AUX CONT _ Zh 24VDC GAS CPRSR ON STATUS CONT GAS CPRSR 24VDC 10 COM we FLOWSIGNAL OUT TR mec Le ACE novsowon FLOW X DUCER OPTIONL 13 B B 6 24VDC FLOW STATUS S2 FLOW SWITCH A 21 PRESS SIG OUT 1 me 24006 4 5VDC 0 300 PSIG PPM 14 24 wc 8 PRESS Sio OUT 2 PPM 11 21006 4 5VDC 0 300 PSIG PRESS X DUCER 1 4 2 OPTIONAL D25 FEMALE AMP REV SEX PLUG MPS LOOP NOTES TRANSFORMER 8 5 KVA 440 230 VAC PC P N 530012 00 TEN CONTACTOR ACC SW ABB P N CA5 10 PC P N 333030 00 VAN REMOVE WIRE 27 AND PLACE RELAY CONTACTS IN CKT AS SHOWN ABOVE INCLUDES TEMPERATURE AND PRESSURE SWITCHES SEE DETAIL RIGHT IN TYPE Kw MINEATURE CONNECTORS SHELLTEMP OILTEMP GASTEMP 67 POWER SUPPLY REQUIRES MINIMUM LOAD OF 240MA n am cC wo s M POLYCOLD SYSTEMS THIS DOCUMENT CONTAINS CONFIDENTIAL
19. ARE PARET PES SPORTS E4 BETHZD 20 APPLY AT 4357 DE _ L EL 7777 7 B 5 4 3 Wiring Diagram Page 80
20. AS FILL SAFETY CIRCUIT SEE 679185 00 WATER COOLED CONDENSER MWP 31 0 bar V 0 33 TEMPERATURE 105 MAX TEMPERATURE 432 C OPERATING PRESSURE RANGE 10 0 bar 20 7 bar TEMPERATURE RANGE 20 C TO 4 20 HEAT REVISIONS APVD DATE REV DESCRIPTION owon Eco 1 daa 03 28 05 01 NEW RELEASE oWs 2 14 0b _____ CUSTOMER INSTALLED VJ LINE VJ SPACE BAYONET SERVICE ACCESS PORT FUSIBLE GAS PLUG LOCKED OUT OPEN 34 bar 2 1 L EXPANSION TANK TYP OPERATING PRESSURE RANGE 0 5 bar 5 0 bar Oe PRESSURE W SYSTEM OFF 10 3 13 8 bar O w ew BE S1 REFRIGERANT HIGH PRESSURE SWITCH gt 279 Capillary Tube Pressure Relief Valve Control and PRVI PRESSURE RELIEF 276 PRV2 PRESSURE RELIEF WAVE SERVICE VALVE AUTOREFILL SOLENOID VALVE vo GAS COMPRESSOR SUCTION ACCESS VALVE VALVES REFRGT COMPRESSOR SUCTION ACCESS VALVE FUSIBLE PLUG REFGT LIQUID LINE TEMPERATURE SWITCH 152 5 COMPRESSOR OIL TEMPERATURE SWITCH CAS COMPRESSOR SHELL HICH TEMPERATURE SWITCH GAS COMPRESSOR HIGH TEMPERATURE SWITCH Process amp Instrumentation Diagram Page 79 Instrumentation Pressure Gauge Phase Separator amm Heat Exchanger Filter
21. Cooling Capacity 220W at 40 C Chuck Outlet Temperature and 11 scfm gas flow Noise Emissions SPL Less than 70 dB A Ambient Temperature 10 C to 35 C Ambient Humidity 10 to 85 RH maximum dew point 27 C Altitude 0 to 3000 m Voltage Fluctuation Complies with Semi F 47 survives 1 second power loss without tripping circuit breaker single occurrence Over voltage category per EN 61010 1 Category 2 7 4 DESIGN DATA GAS Flow Rate Range 8 12 SCFM for 05 18 22 SCFM for 06 Approximate Heat Rejection Rate 7000 W 23 900BTUH Accessories amp Refrigerant Charges The refrigerant charge for your unit is specified on the unit nameplate Contact your local sales representative or Polycold for a current price list CONVERSION FACTORS amp FORMULAS 1 psig 0 07 bar 0 07 kg cm F 9 5 x C 32 1 inch 2 54 centimeters exactly C 5 9 F 32 1 pound 0 45 kilograms 1 standard cubic foot per hour SCFH 0 47 standard liters minute 825130 00 REV B Page 67 7 5 INSTRUCTIONS FOR INSTALLATION OF SEISMIC ANCHOR JACK SCREWS This procedure describes installation of the seismic anchor jack screw on Polycold s Cool Solutions 1XCL PGCL 1 and 2XCL PGCL 2 models Note Option shown has seismic anchor jack screws 1 ea all 4 sides Some options have 2 ea front and rear 1 Remove four panels front two sides and lower back op a Sal Um oom
22. Drier POLYCOLD SYSTEMS n HELIS TECHN A COM 2 CoS FoCL 1 P amp ID THIRD ANGLE PROJECTION FD 006 690042 00 SCALE TS SHEET e IR Service Valve 3 way Manual Valve Solenoid Valve gt 825130 00 ar UN 0 4 Al 01 4BOvAC jl th EN t eo re et NOTES i sms PART OF REFER To Wr P COS HOS TZ DH P SERGE LEsSATIOHSE FOS EMESTIMG LEE ITEM 19 imr CALUAG ER SES DD CHAMPS THL fT PARTML CHA OF ZROUMD SEL Fi FOS ADCITEESHL WARNT MIET Doc D 208 we Omas LENS mE SU MUUBCRS P KIT MOCATED SOLE un UNLESS MEN MUMBERS AME PNDICNTEC IAE E GEE Dat see PHOTO PLACEMENT 98 en 1 X4 10 720191 29 WAE PER 480 O8 TALES gt S 12 SHALL BE COMPLET TH Ba FREBSEBTED PARTS RESCIREMENTE CHERT 147351 AMULES bie 4 5 14 B
23. L equipment The person s identified by name location and telephone number to be contacted when required actions are beyond the training and responsibility of the person being trained Identification of the recognized hazards associated with each task Identification of and appropriate responses to unusual operating conditions Explanation of the functions and limitations of all safeguards and their design characteristics Instructions for the functional testing or other means of assurance for proper operation of safeguarding devices Service personnel should understand the operation of process related hardware interlocks and the sequences of hardware operation that are executed automatically as explained in this chapter The equipment should not be used without assuring correct operation of all connected facilities especially fugitive emissions exhaust Service personnel should always assume that high voltage is present unless they have personally turned it off and locked it out The equipment should not be operated without all guards and safety devices in place The equipment should be shut down locked out and not operated while it is being maintained Users should not attempt to defeat modify or disable any of the equipment s safety interlock switches Only Brooks Automation trained service personnel should perform assembly operation disassembly service or maintenance of the Polycold GAS C
24. O FILL FILL CONTROL 65 64 TO FRPP 8 A tt 65 BRAZING SPECIFICATION Ess 65 7 2 THERMOCOUPLE ATTACHMENT SPECIFICATION 66 53S SPECIFICATIONS sitis ee ae 67 DESIOCN DATA cT 67 7 5 INSTRUCTIONS FOR INSTALLATION OF SEISMIC ANCHOR JACK SCREWS 68 DOCS 73 9 0 PROCESS amp INSTRUMENTATION DIAGRAM AND ELECTRICAL SCHEMATICS 75 825130 00 REV B Page 2 ae A Polycold Systems Cooling Products CryoTiger Aqua Trap Polycold Compact Cooler Repair Services and Certified Refurbished Products Polycold Systems cryogenic cooling products including water vapor cryopumps PCT FLC FI chillers cryocoolers P CryoTiger AquaTrap Polycold Compact Cooler PCC and accessories Certified Refurbished products the Products and Repair Service i e repairs other than warranty repairs are warranted to be free from defects in materials and or workmanship under normal service for the time period as set forth in Table A below from date of shipment from Brooks Automation Inc Brooks The warranty for Repair Service and Products is limited to the component parts replaced or repair performed by Brooks at Brooks facility Cust
25. RELAY RLY2 MOTOR 5 STARTING gt CIRCUIT D RLY2 N 14 21 1 GND 16GA GRN YEL PE 18 RED 18GA BLK ISOLATED REMOTE ON OFF CONTROL amp MONITOR CIRCUIT nn 15 18 RED REMOTE CONTROL BYPASS PLUG OT 0 TT FOR FIELD SERVICE ONLY CUSTOMER SUPPLIED REMOTE CIRCUIT TDR TUR FIELU SERVILE UNLTE _ RLYS TE A1 A1 DISCONNECT SERVICE BYPASS PLUG ONOFF J1 RMT ker nun TDR AFTER SERVICE 22GN5C FAILURE TO DISCONNECT WILL PREVENT cae PENE A2 A2 REMOTE SHUT OFF OF PGC UNIT BLK WITHOUT THE REMOTE BYPASS THE UNIT WILL ONLY RUN IF 1 4 u POLYCOLD SYSTEMS THIS DOCUMENT CONTAINS CONFIDENTIAL D BURLING CONT ACTOR RLY 2 ARE BOTH ACTIVATED TEEN OF HELIX L D 5 a p EITHER THE DOCUMENT NOR THE INFOR HELIX TECHNOLOGY CORPORATION ARNE TONER WHOLE OR PART AS SUPPLY SPECIFICALLY AUTHORIZED BY HELIX CKT DIAG GAS CHILLER PGCL1 V3 SE S TENE CLOSED RUNNING POLYCOLD SYSTEMS INC 9 SIZE DWG NO REV 025 MALE 025 FEMALE ideo 02 10 03 679316 00 1 2 3 4 5 6 825130 00 78 825130 00 SHELL HI TEMP 53 5 CONDENSER TEMP OIL REGENERATIVE vg 2 COMPRESSOR ASSY PRV2 p 27 6 bar 652 68 L ADSORBER SUCTION ACCUMULATOR FROM CHUCK Pt COMPRESSION lt lt MALE G
26. S BEEN ALTERED DEFACED OR REMOVED THE USE OF SERVICE REPLACEMENT REFRIGERANTS FROM ANY THIRD PARTY NOT LICENSED BY BROOKS OR THE PRODUCT IS OTHERWISE COMPROMISED BY USE OF UNAUTHORIZED PARTS OR SERVICE ALL AS DETERMINED BY BROOKS IN ITS SOLE DISCRETION Product New Product Repair Service Certified Refurbished IN NO EVENT WILL CUSTOMER BE ENTITLED TO NOR WILL BROOKS BE LIABLE FOR INDIRECT SPECIAL INCIDENTAL PUNITIVE OR CONSEQUENTIAL DAMAGES OF ANY NATURE INCLUDING WITHOUT LIMITATION NEGLIGENCE STRICT LIABILITY OR OTHERWISE ARISING AT ANY TIME FROM ANY CAUSE WHATSOEVER INCLUDING WITHOUT LIMITATION DOWN TIME COSTS DATA LOSS DAMAGE TO ASSOCIATED EQUIPMENT REMOVAL AND OR REINSTALLATION COSTS REPROCUREMENT COSTS OR LOST PROFITS EVEN IF BROOKS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES AND EVEN IF THE LIMITED REMEDIES OF REPAIR OR REPLACEMENT FAIL OF THEIR ESSENTIAL PURPOSE THIS WAIVER OF LIABILITY DOES NOT APPLY TO EITHER BROOKS LIABILITY UNDER A STATUTE ACT OR LAW PERTAINING TO BODILY INJURY OR TO ANY LIABILITY INCURING OUT OF DAMAGE TO THE BODY HEALTH OR LIFE OF A PERSON The exclusive remedies for breach of warranty will be either repair or replacement of the nonconforming parts or Products during the warranty period at the sole discretion of Brooks shipped ExWorks Incoterms 2000 Brooks factory Customer s recovery from Brooks for any claim shall not exceed the amount paid by customer to Brooks for the Product or S
27. SPECTION amp MAINTENANCE Inspect the Cool Solutions 1XCL every six months or whenever moisture accumulates in the gas circuit whichever occurs more often 1 Verify there is adequate water circulation through the condenser Check water flow requirements on the nameplate Performance specifications assume that water temperature is no higher than 29 C 85 F 2 Verify the insulation on the GAS out line is adequate The insulation should be airtight It should not be cracked or holding moisture f necessary disconnect power to the 1XCL and replace the insulation See Section 2 5 Install the External GAS Circuit 3 Verify the refrigerant circuit does not have a leak Run gas compressor w refrigerant compressor off for 1 hour Then check balance pressure Disconnect power to the 1XCL and wait 24 hours 825130 00 REV B Page 46 The balance pressure should be within 7 psig of the pressure recorded in Section 2 1 Inspect and Install the 1 Step 2 If the pressure is lower the refrigerant circuit may have a leak 4 Remove moisture from the GAS circuit Moisture may accumulate in the GAS circuit and will freeze when the 1XCL is operating which may restrict GAS flow To purge moisture from the gas line follow the instructions in Section 2 5 of this document Allow the GAS supply from the host equipment to flow at about 50 SCFH through the GAS circuit until the exiting GAS is dry The exiting GAS should be dry in abou
28. a shipping bolt to secure the compressor for transport It must be removed to prevent excess vibration Failure to do so may void your warranty Before shipping this unit the shipping bolt must be re installed to prevent damage during shipping Failure to do so may void your warranty Refer to section 2 3 Item 3 Upon arrival of the equipment and prior to starting its installation or operation confirm that the balance pressure BP shown on the suction pressure gauge is between 140 160 psi Refer to section 2 3 Item 2 825130 00 REV B Page 4 1 2 SERVICE Information provided within this document is subject to change without notice and although believed to be accurate Brooks Automation assumes no responsibility for any errors omissions or inaccuracies AcuLigner AcuLine AcuTran AcuTrav AeroLoader IV AeroTrak ARV 2000 AquaTran Atmospheric Express BALI 400 Indexer BiSymmetrik ExpressLock FabExpress FixLoad FrogLeg Gemini Gemini Express Gemini Express Tandem Guardian Bare Reticle Stocker Hercules Hercules Express InCooler InLigner InLine Express Leapfrog Linear eXchange MagnaTran 7 MagnaTran 70 MagnaTran 8 MagnaTran X Marathon Marathon Express Marathon Express Tandem MicroTool MultiTran OneFab AMHS OpenMTS PASIV PF 100 PowerPak Reliance ATR Reliance DFR Reliance WCR SENTRY TCM Time Optimal Trajectory TopCooler TurboStocker TurboStocker XT Ultrasort VacuTran VCD VCE VPE WAVE WAVE II
29. at ultra low temperatures which on contact with skin presents the risk of frostbite N CAUTION MAKE CERTAIN THERE IS ADEQUATE VENTILATION AROUND THE 1XCL ESPECIALLY IF YOU ARE RECHARGING IT Modern refrigeration practice is to reclaim and recycle the refrigerant Do not put the refrigerant back into the 1XCL however NCAUTION IN THE EVENT OF A FAILURE OF THE REFRIGERANT UNIT PIPING REFRIGERANT COULD BE RELEASED OUTSIDE THE 1XCL ENCLOSURE INTO THE ROOM ENVIRONMENT 825130 00 REV B Page 15 A WARNING LIFTING HAZARD 900 pounds 400 Failure to properly lift this device may result in severe injury or death Read the manual before lifting this equipment using the lifting eyes Assure that the eyes are fully engaged in the frame with no exposed threads Use all four lifting eyes with an adequate lifting harness and mechanism Lifting harness must be centered between the lifting eyes Lift vertically only with no horizontal component WARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe injury or death The equipment should be removed from its shipping pallet by using the top installed lifting eyes WARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe injury or death Read the manual before moving this eq
30. be Position the thermocouple wire so that the first twist of wire nearest the insulation is against the tube Important Make certain the wire twist closest to the insulation is in contact with the copper tube It is the first twist of wire closest to the insulation that senses and determines the temperature reading Solder the wire twist to the copper tube Do not overheat the flux Do not melt or cut the plastic insulation on the thermocouple wire it may create false readings Remove the flux residue using a wet cloth Dispose of the contaminated waste in a manner approved by the location Wrap the thermocouple wire tightly around the tube 3 4 times Secure the wire with tie wrap s or tape suitable for ultra low temperatures Allow enough thermocouple wire to reach your temperature meter Apply insulation per Section 2 5 Install the External GAS Circuit 825130 00 REV B Page 66 7 3 SPECIFICATIONS Shipping Weight 1 000 Ibs 454 Kgs Based on 200 Ib for wooden crate Installed Weight 800 Ibs 363 Kgs Max 260 Ibs 118 Kgs on each seismic anchor jack screw Electrical Requirements 5300 W 440V nom 480V nom Required circuit breaker 16 A 16 A Acceptable Voltage Range 50 Hz 396V 484V 432 528V 60 Hz 396V 484V 432 528V GAS In GAS Out Lines 72 x6 Linde Bayonet connectors Water Temperature 13 C 30 C Cooling Water Required 5 15 C 25 C 8gpm 25 30
31. d States of America Trademark Recognition is a registered trademark of Armstrong World Industries Inc CPI UltraSeal is a trademark of Parker Hannifin Corporation Phillips is a registered trademark of Phillips Screw Company Polycold is a registered trademark of Brooks Technology Corporation 15 a registered trademark of Cajon Company is a registered trademark of Brooks Technology Corporation 1 3 BEFORE YOU START Please have the following information available to help us assist you Polycold Model Polycold Serial No Date Manufactured The above information is on the nameplate of your 1XCL You may wish to enter this information now before the 1XCL is installed 825130 00 REV B Page 5 1 4 HAZARD ALERTS INFORMATION VISUAL HAZARD ALERTS USED IN THIS MANUAL AND AS LABELS ON THE EQUIPMENT SHOULD BE REVIEWED AND UNDERSTOOD BY PERSONNEL PRIOR TO USE OF THE SYSTEM Hazard warnings are provided in this manual before each step that may involve hazards to personnel See the following hazard alert icons and text for information on icons which identify potentially hazardous situations consequences of not avoiding the hazard Hazard alerts used in the manual and on the equipment follow ANSI Z535 and use the signal words DANGER WARNING or CAUTION The signal words have the following meanings Pictogram icon depicting nature of hazard Hazard Keyword Level Text describing hazard and what might coul
32. d by the casters Place the unit on floor and remove forklift or lifting harness 825130 00 REV B Page 70 5 Screw other three seismic anchor jack screws from top and put pad from bottom For these thread the rod in from the top keeping machined flats at top After threading the rod though the frame and with about 2 inches of exposed thread below the frame install pad Use a wrench on the pad and the flats to tighten 825130 00 REV B Page 71 6 Position the unit where it will be installed Lower each of the four seismic anchor jack screws to the floor Turn each jack screw by one turn DO NOT extend jack screws to point where caster will spin Verify that unit is secure and will not roll If not add one more turn to each jack screw Repeat as needed until unit is secure and will not roll 7 Reinstall panels after install all seismic anchor jack screws AWARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Maintain weight on casters at all times 825130 00 REV B Page 72 8 0 GLOSSARY ANSI American National Standards Institute ASHRAE American Society of Heating Refrigerating and Air Conditioning Engineers AWG American wire gauge CE European conformity Coldest Liquid portion of the refrigerant circuit which obtains the lowest temperature prior to evaporation Compressor component in the refrigeration unit that raises the refrigerant pressure and causes the refrigerant
33. d happen A WARNING ELECTRICAL HAZARD High Voltage can cause severe injury or death Disconnect power before removing access panels Text describing how to avoid the hazard HAZARD KEYWORD LEVELS An imminently hazardous situation that if not avoided will result in serious injury or death WARNING A potentially hazardous situation that if not avoided could result in severe injury or death CAUTION A potentially hazardous situation that if not avoided could result in moderate or minor injury or property or equipment damage Hazard Warning Labels Identified by Number 1 CAUTION Extreme Temperatures Can cause burns or frostbite Do not touch exposed piping PIN 407 114 00 825130 00 REV B Page 6 2 WARNING Hazardous Voltage Enclosed Voltage or current hazard sufficient to cause shock burn or death Disconnect and lockout power before servicing 2002 HCS LLC www safatylabel cam 08103 Reorder No EHO1S298 3 CAUTION Hot Surface Do not touch Can cause skin bums upon contact Disconnect and lockout power and allow surface to cool before servicing HCS LLC www safefylabel com 05062 Reorder No THOT 5298 4 ATTENTION THIS COMPRESSOR 15 CHARGED WITH AN OIL SELECTED SPECIFICALLY FOR THIS EQUIPMENT REFILL ONLY WITH POLYCOLD PART NUMBER 081009 00 5 CAUTION Heavy Object Can cause muscle strain or back injury Use lifting aids and prope
34. d lifting eyes and slings The 1XCL unit may be transported short distances on level floors within the installation location on its casters DO NOT MOVE THE UNIT UP OR DOWN RAMPS ON ITS CASTERS A WARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe injury or death Read the manual before moving this equipment using the casters Move the equipment on level floors only Move it slowly and avoid rapid acceleration and deceleration Apply force to move the system below the equipment center of gravity Do not place yourself between the moving equipment and fixed obstructions 825130 00 REV B Page 32 AWARNING TIPPING HAZARD HIGH CENTER GRAVITY LESS THAN 10 MAX TILT ANGLE Maintain weight on casters at all times REAR IXCL TOP VIEW 24 IXCL requires three feet of clear area front and back This is needed for access to switches settings and for safety reasons Service and maintenance IXCL 1 also slowed if the unit is installed VIEW TOP VIEW TOP VIEW DA in a confined area For this reason we recommend that the unit be installed with as much clear service FRONT FRONT access area as the facility will allow wit may be i 4 by side as
35. e and will not function if wired incorrectly If you are uncertain of the phase rotation of your power source you can confirm that the phase protection relay is satisfied amber and green LEDs are illuminated prior to completing electrical fit up of the system see section 6 6 CAUTION Status on Power Interruption Restoration The 1XCL system is not configured with onboard main circuit breaker In the event of power interruption the 1XCL ceases operation On restoration of electrical power the 1XCL system will restart when provided an enable signal Placing the equipment in a safe shut down condition requires removing the 1XCL Main Power cord connector Power Cord Installation 1 Remove top panel of the 1XCL unit 2 Using a 5 16 nut driver or socket drive remove the nuts from the plastic guard on the terminal block 3 Remove the plastic guard from the terminal block see photo below Terminal Block with Plastic Guard 825130 00 REV B Page 37 Note Use 10 AWG wire for your power cord 4 Insert power cord through the liquid tight fitting located on the back side of the 1XCL unit see label 1 below Power Inlet Connect power cord to terminal block using the 10 32 screws provided Tighten screws on the terminal block using a torque wrench set to 20 IN LBS Connect ground wire to terminal lug labeled PE potential earth GND and tighten screws securely see photo below _ TUE nn
36. e the equipment slowly and avoid rapid acceleration and deceleration Apply force to move the system below the equipment center of gravity Do not place yourself between the moving equipment and fixed obstructions 13 Using the eyebolts on the top of the 1XCL unit lift the system and depending on the crate design remove its seismic anchor jack screw WARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe injury or death The equipment should be removed from its shipping pallet by using the top installed lifting eyes A WARNING LIFTING HAZARD 900 pounds 400 kg Failure to properly lift this device may result in severe injury or death Read the manual before lifting this equipment using the lifting eyes Assure that the eyes are fully engaged in the frame with no exposed threads Use all four lifting eyes with an adequate lifting harness and mechanism Lifting harness must be centered between the lifting eyes Lift vertically only with no horizontal component 825130 00 REV B Page 48 14 Lower the 1XCL unit onto its original shipping pallet Verify that the casters carry weight when unit is in the crate Failure to do so may cause damage to the casters and void your warranty Assemble the crate around the 1XCL unit and transport to its new location 6 0 TROUBLESHOOTING ACAUTION If dry GAS is not being
37. equipment using the casters Move the equipment on level floors only Move it slowly and avoid rapid acceleration and deceleration Apply force to move the system below the equipment center of gravity Do not place yourself between the moving equipment and fixed obstructions Once equipment is installed securely fasten frame to floor 825130 00 REV B Page 10 10 11 12 13 825130 00 TIPPING HAZARD CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE DO NOT LIFT CASTER WHEEL OFF THE FLOOR This screw and pad are a Seismic Anchor Point They can be used to secure the unit to the floor using a customer supplied bracket The caster must bear weight when the foot pad is lowered When lowering the foot pad to the floor do not extend the screw to the point where the caster is lifted off the floor 407195 00 REV 00 Page 11 14 Front View Right Side View Close up Right Side View Interior Label Placement 825130 00 REV B Page 12 LA m gt 222 2 _ 9 version 05 9 05 14 version 06 Left Side View Top View Interior Label Placement Continued 825130 00 REV B Page 13 Exterior Front Oblique Top View Exterior Label Placement 825130 00 REV B Page 14 1 5 USER PRECAUTIONS A CAUTION REVIEW THE INSTRUCTION MANUAL BEFORE PERFORMING ANY
38. er its coil is warm If the coil is cold but nitrogen filling continues replace the solenoid valve Otherwise continue to next bullet If relay 5 is lighted check the red indicator of the SMC If it is off but the voltage between the White and Brown lead is 24 VDC the SMC is bad Red LED display Cycle power for Autofill on off switch is flashing Autofill function not working See section 9 0 for detailed Auto fill schematic 825130 00 REV B Page 61 6 6 AUTO FILL STATUS TABLES 1 Initial Fill Green Indicator on SMC On On Of Relay 5 Relay 6 On on Of Autofill Solenoid on 2 Idle unit has been filled but nitrogen compressor is off 3 Run unit has been filled and nitrogen compressor is on SMC Pressure p Green Indicator on Red indicator O 6 825130 00 62 6 7 AUTOFILL RELAYS AND SOLENOID VALVE 1 1XCL Autofill Relays and Solenoid Valve BL RELIER L Z24 Relay 6 Relay 4 Solenoid Valve 825130 00 REV B Page 63 6 8 ADJUSTING AUTO FILL FILL CONTROL SETTINGS This section describes how to adjust the settings of the auto fill controller PS4 CAUTION INCORRECT ADJUSTMENT MAY RESULT IN UNIT FAULTS Do not adjust these settings unless specifically authorized by the tool manufacturer Contact the to
39. erating pressure interrupting power to the compressor and turning it off This switch requires venting of nitrogen to O psi and manual reset The user should not adjust it A high temperature switch shuts off the gas compressor when excessive oil temperature causes it to function The compressor automatically restarts after the temperature cools and the switch resets A high temperature switch shuts off the gas compressor when excessive shell temperature causes it to function The compressor automatically restarts after the temperature cools and the switch resets A high temperature switch shuts off the gas compressor when excessive gas temperature causes it to function The compressor automatically restarts after the temperature cools and the switch resets Page 17 CAUTION oafety devices installed the 1XCL to help protect it from permanent damage Some of the protective devices are self resetting with a system status output to the integrating equipment When the system status indicates that a safety component has functioned the integrating equipment should not enable operation until the cause of the fault is corrected If a protective device is triggered the cause of the problem must be corrected before continuing to use the 1XCL Please see Section 6 0 Trouble Shooting or call the Polycold Service Department for assistance Bypassing or repeated resetting of a protective device may expose personnel and or the facility
40. ervice giving rise to such claim irrespective of the nature of the claim whether in contract tort warranty or otherwise Customer must inspect the Products within a reasonable time upon receipt and must notify Brooks within 30 days of discovering a defect Every claim on account of defective material or workmanship shall be deemed waived unless made in writing within the warranty period specified above Brooks does not assume or authorize any other person to assume any other obligations or liabilities in connection with the sale of the Products Polycold Products are also subject to the Brooks Automation Inc General Terms and Conditions Polycold amp Products an excerpt of which is set forth above Polycold is a registered trademark of Brooks Automation Inc Doc PS 02 Rev D January 26 2006 3800 Lakeville Hwy Petaluma California 94954 U S A 707 769 7000 Toll Free 888 4 Polycold Fax 707 769 1380 E mail petaluma sales brooks com www brooks com 825130 00 REV B Page 3 1 0 INTRODUCTION 1 1 FOREWORD Polycold s Cool Solutions low temperature gas chillers are used to allow low temperature vacuum processing of semiconductor device wafers as well as other applications Vacuum processing systems use recirculating fluids to keep the wafer at controlled temperature The wafer sits on a pedestal or table in a vacuum and is processed typically in a vacuum with specific gases and metallic vapors to create a uniform coatin
41. g on it Gas circulating in the secondary loop of the 1XCL closed loop gas chiller is cooled in the gas chiller The temperature of the gas leaving the gas chiller can reach temperatures of 100 C The chilled gas is recirculated by a secondary gas compressor The customer installed lines connecting the gas chiller and the pedestal are vacuum jacketed to minimize the heat leaks from the ambient to the chilled gas The system consists of a refrigeration system which chills the secondary gas a secondary gas recirculating compressor interconnecting gas lines and the table in the vacuum system The refrigeration system uses a propriety and patented blend of refrigerants The secondary loop compressor uses an inert gas whose dew point is below 80 C The refrigeration system as well as the secondary gas loop requires cooling water There is no co mixing of the refrigerant and the secondary gas The equipment is designed for continuous operation Electricity cooling water and pressurized dry nitrogen are the only required utilities Pressures are stated as gauge not absolute Psig is pounds per square inch gauge and kPa is Kilopascals gauge kPa 6 895 x Psig bar Psig 14 5 This technical manual contains Safety Service Introduction Specifications Installation Operation Maintenance and Parts information for all the equipment in the system Notes REVIEW THE INSTRUCTION MANUAL BEFORE OPERATING THIS EQUIPMENT This unit was shipped with
42. gas to ultra low temperatures It consists of two separate subsystems the upper portion known as the Refrigeration Unit which provides the cooling of the gas stream and the lower portion which provides the secondary loop circulation of the gas stream The Refrigeration Unit has a refrigerant circuit and a gas circuit The refrigerant circuit is located entirely within the 1XCL The 1XCL s compressor circulates refrigerant in a continuous loop through the Polycold stack The water cooled condenser removes the heat of compression from the refrigerant by circulating cooling water through a coaxial coil and the Polycold stack cools the refrigerant to ultra low temperatures The refrigerant is a proprietary mixture of refrigerants provided by Brooks Automation The gas circuit consists of a continuous copper tube that runs through the refrigerant circuit The gas is cooled as it runs through the Polycold stack The gas compressor compresses customer supplied nitrogen or helium gas and uses a heat exchanger to cool it to room temperature Oil separators and an oil adsorber reduce levels of oil and moisture in the gas stream to very low levels A regenerative heat exchanger is used to assure that low pressure gas entering the compressor is within design limits of the gas compressor High pressure gas exiting the regenerative heat exchanger enters the Polycold stack When the Polycold stack is cold it chills the high pressure gas being supplied to the cust
43. he dew point of the room in which the 1XCL is installed Maximum working pressure of the cooling water circuit is 200 psig 1380 kPa Your cooling water should be clean and suitable for use in copper based heat exchangers We recommend that you filter your cooling water if it is very dirty or has abrasives in it Any chemical impurities in your cooling water must be compatible with copper 2 Connect a supply and a drain line to the refrigeration unit Make certain you use the correct size pipe see Tools amp Materials Needed at the beginning of this section For the 1XCL the COOLING WATER connections have 1 2 inch female NPT fittings Connect your supply line to the port marked IN Connect your drain line to the port marked OUT The cooling water must flow in this direction to properly cool the unit TABLE Refrigerati Water Inlet Minimum Flow Rate Pressure Drop Heat Rejection on Unit Temperature Gpm L min Inside the Unit Btu hour F C Psi kPa kW 1 6 11 7 6 52 23 900 7 0 20 7 142 3 Verify that the water plumbing has no leaks ACAUTION EQUIPMENT DAMAGE Do not turn on the unit until the cooling water has been connected and turned on 2 5 INSTALL THE EXTERNAL GAS CIRCUIT AND GAS FILL LINE Tools and materials needed Tubing or hoses with 3 8 1 0 or Vacuum Jacketed Lines recommended Clean room compatible tubing insulation rated for extreme temperatures Adhesive tape for fiberglass tubi
44. hiller 1XCL equipment A certified refrigeration technician must perform any work performed on the refrigeration portion of the system safety related incidents or near misses should be reported to a supervisor or Brooks Automation Customer Service The user should carefully review and understand manufacturer provided material safety data sheets MSDS for materials used by this equipment 825130 00 REV B Page 19 1 8 LOCK OUT TAG OUT PROCEDURE LOCK OUT TAG OUT PROCEDURE ELECTRICAL 1 5 6 Notify personnel you are performing a Lock Out Tag Out LOTO Shut down system following normal procedure Remove power to the 1XCL verify that the compressor is off Isolate the system from the electrical supply by locking out the breaker in the off position and notifying others with an identification tag De energize the unit s internal capacitors A qualified and trained technician must execute this procedure If the units power plug is accessible connect a bleed resister between the L1 pin and Ground pin of the plug then connect the bleed resistor between L2 pin and the Ground pin It may be necessary to discharge the capacitors directly by connecting 10 resister from each capacitor terminal to ground The capacitors are located inside the electrical enclosure See figure below Use a voltmeter to observe O volts in the area you will be working Service can now be performed To re energize reverse the
45. in severe injury or death Read the manual before lifting this equipment using the lifting eyes Assure that the eyes are fully engaged in the frame with no exposed threads Use all four lifting eyes with an adequate lifting harness and mechanism Lifting harness must be centered between the lifting eyes Lift vertically 12 13 14 15 16 17 18 19 20 only with no horizontal component CASTERS Enable the unit to be rolled into place for installation and for maintenance etc WATER IN CONNECTION 75 FNPT connection WATER OUT CONNECTION FNPT connection EMO LOOP J1 CONNECTOR This is the FEMALE connector that allows access to the dedicated emergency machine off circuitry It is wired in SERIES with the EMO button EMO LOOP J2 CONNECTOR This is the MALE connector that allows access to the dedicated emergency machine off circuitry It is wired in SERIES with the EMO button VENT VALVE V7 This valve is piped to the high pressure side of the HC 8 compressor REMOTE CONNECTOR This connector provides switch contact opening for status of refrigeration and gas compressor units THERMOCOUPLE CONNECTOR Miniature Type K Supply temperature OUT THERMOCOUPLE CONNECTOR Miniature Type K Temperature return 825130 00 REV B Page 30 21 THERMOCOUPLE CONNECTOR Spare 22 FILL VALVE This is a 74 compression fitting used for charging the coolant loop It is connected to a check valve to prevent pressurized gas from releasi
46. injury or death The equipment should be removed from its shipping pallet by using the top installed lifting eyes A WARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe injury or death Read the manual before moving this equipment using the casters Move the equipment slowly and avoid rapid acceleration and deceleration Apply force to move the system below the equipment center of gravity Do not place yourself between the moving equipment and fixed obstructions WARNING Due to its weight a lift truck or overhead crane is required to place and remove the 1XCL from the transport unit WARNING Due to its high center of gravity care must be taken to avoid tipping the unit 1 During transporting the pallet to which the unit is strapped and 2 positioning on its casters See illustration figures 4 amp 5 The 1XCL should only be lifted from above using its lifting eyes and a sling system Place the 1XCL as close as possible to the desired location of your cold GAS stream The 1XCL must remain vertical during transport and installation The base frame of the 1XCL can be secured to the floor at the four locations labeled Seismic Anchor Point See section 6 for mounting dimensions 6 Move the 1XCL Unit to Its Installation Location The 1XCL Unit should be moved to an area near its installation location using the top mounte
47. l start up The shipping bolt must be removed from the base of the compressor prior to starting the unit This is located on the underside of the base pan A rubber plug has been supplied for the purpose of sealing the access hole so that the pan will act as a catch basin Save this plug and the bolt for later use It is required that the shipping bolt be replaced in the event that the unit is reshipped to another location REVIEW THE INSTRUCTION MANUAL BEFORE OPERATING THIS EQUIPMENT This unit was shipped with a shipping bolt to secure the compressor for transport It must be removed to prevent excess vibration Failure to do so may void your warranty Before shipping this unit the shipping bolt must be re installed to prevent damage during shipping Failure to do so may void your warranty 8 Connect the electrical power A WARNING HAZARDOUS VOLTAGES Electrical power to the 1XCL must be connected by qualified personnel according to local codes A WARNING HAZARDOUS VOLTAGE EXISTS AT ALL TIMES AFTER THE POWER IS CONNECTED Only qualified electricians should perform electrical work Power should be removed at the point of electrical connection and locked out following standard lock out tag out procedures A lock out device may be placed on the supply power circuit breaker provided by others or on the supplied electrical power plug The host equipment is to provide the main disconnect device and a circuit breaker that serves a
48. lating compressor gauge discharge pressure specification is 85 115 psig If the above readings are within specification tolerances turn off the refrigeration compressor and leave the N2 recirculating compressor on Turn off the refrigeration compressor and run the gas compressor for 1 hour Alternately power off the unit for at least 18 hours o Refrigeration gauge when off and at ambient temperature refrigerant balance pressure specification is 140 160 psi o Recirculation compressor gauge when off and at ambient temperature gas circuit balance pressure specification is 70 90 psig If the above readings are not within specification tolerances it is necessary to call for refrigeration service 2 6 EMERGENCY OFF CIRCUIT The EMO button provided on the 1XCL is a dry contact switch that is electrically designed to be connected to customers EMO loop When properly wired into the customer provided EMO loop if the EMO button on the 1XCL or on the customers system is pressed then the AC power to the 1XCL and the customer s system is shutdown 3 0 OPERATION ANCAUTION If dry GAS is not being pumped though the GAS circuit the 1XCL will condense water in the GAS circuit whenever the Polycold stack is cold This can occur while waiting for the stack to cool down after turning on the 1XCL and up to four hours after turning off the 1XCL as well If the host equipment is sensitive to water condensation can be avoided
49. le line unless the outermost hanger clamp is removed completely and the inner clamp loosened After the knurled nut has been tightened taking care not to put undue stress on the copper line the hanger brackets can be tightened safely 1 Assemble vacuum jacketed lines to the Polycold unit and the System Integrator making sure all connections are leak tight Note It is recommended to leak check using a pressure decay method a Connect a source of dry nitrogen dew point lt 80 C to the gas fill port V6 b Verify that unit has power and that the auto fill control is on This can be confirmed by observing that 54 is illuminated If not verify that unit has power and auto fill switch is in the on position C Pressurize the unit vacuum jacketed lines and chuck assembly to 85 psig through gas fill port The auto fill control will automatically pressurize the unit This process takes 10 minutes or less d Observe record reading on 54 Switch the auto fill switch to the off position e 30 minutes there shall be no detectable leak Notes Small leaks up to 20 psi loss per 24 hours or 0 83 psi hr from 1XCL lines can be compensated for by using the auto fill control Leaks in excess of this must be eliminated f Switch auto fill switch back to the on position Do not use tracer gas i e refrigerant for leak detection due to possible damage to adsorber 2 Purge the lines and chuck with nitrogen a Disconnect the
50. lead of the SMC If the voltage is zero the SMC is bad Unit continues to Bad solenoid valve or SMC Check the status of relay 6 If it is dim fill OVER check the autofill solenoid valve feel its coil RESET VALUE to see if itis warm If the coil is cold but unit during initial continues filling replace the solenoid valve nitrogen fill If relay 6 is lighted check the green indicator of SMC If it is OFF but the voltage between the Black and Brown lead is 24 VDC the SMC is bad Unit does not Bad solenoid valve or SMC Check to see if relay 5 is lighted If it is refill during a Loose wiring in the system check the autofill solenoid valve to feel run whether its coil is warm If the coil is warm but no nitrogen filling occurs replace the solenoid valve If the coil is not warm check its input voltage If it is 24 V replace the coil If itis zero check to see if there is loose wiring somewhere If relay 5 is dim check the red indicator on SMC If itis on check the voltage between the White and Brown lead If the voltage is zero the SMC is bad If it is 24 V check to see if there is loose wiring somewhere Unit continues to Loose wire bad solenoid Check whether relay 4 has been fill OVER valve or SMC energized If not there is a loose wire If it RESET VALUE is energized continue to next bullet during a run Check the status of relay 5 If it is dim check the autofill solenoid valve to feel wheth
51. ng insulation or equivalent 1 1 2 inch channel lock pliers 1 Verify the GAS source from the host equipment is adequate 825130 00 REV B Page 41 CAUTION your GAS contains moisture the water will condense and freeze in the GAS circuit and the 1XCL s performance will degrade as the GAS circuit becomes blocked The 1XCL system is designed for use with inert Gases having a dew point of lower than 80 He or 2 only Contact Brooks Automation prior to introduction of GAS other than those specified A CAUTION Do not exceed 90psi max supply pressure to the 1XCL If this pressure is exceeded the discharge pressure switch PS3 may activate and cause a fault condition AATTENTION Due to shipping temperatures thermal switch TS1 may have tripped during transit Locate and reset the switch upon installation 2 Install the external gas circuit Prior to installation the lines and chuck need to have been conditioned to remove any moisture and contaminants Evacuating these components via vacuum pump for a minimum of 2 hours is recommended After conditioning they need to be kept dry by back filling with nitrogen and sealing until they are ready for use Note When attaching vacuum jacketed lines or Linde Male and Female bayonet adapters special adjustments may be needed for rigid support of the lines Both the supporting brackets are adjustable via the use of slotted holes Difficulty may be experienced when fitting the Fema
52. ng through this fitting when it is open It is piped to the suction side of the compressor See fill procedures 23 GAS SUPPLY Bayonet adapter fits here 75 Parker Ultraseal x Linde 24 GAS RETURN Bayonet adapter fits here Parker Ultraseal x Linde 1 2 25 POWER INLET Liquid tight conduit fitting diam 1 2 45 L x 1 88 W 31 AUTO FILL CONTROL PS 4 This display shows the gas suction pressure It also is used to adjust settings for the auto fill controller 32 FILL POWER SWITCH This switch is used to enable or disable the auto fill controller 33 FLOW INDICATING METER Indicates that gas flow is occurring Scale readings are not accurate for the nitrogen gas used 34 GAS VENT VALVE WRENCH This wrench is provided to open and close the gas vent valve V7 35 REMOTE JUMPER This is used to simulate the remote interface go signals for the refrigeration chiller and the gas compressor unit This jumper allows the 1XCL to be operated without being connected to the tool s remote user interface 2 3 INSPECT AND INSTALL THE 1XCL ANCAUTION No operator serviced parts within Access restricted to trained service personnel only Review specifications table 7 3 for facility requirements prior to installation Tools and materials needed Fork Lift for overhead lift only Pallet truck or Overhead Crane Power plug to fit your power supply outlet On 208V unit provide receptacle for equipment provided cord and plug assembly
53. nifold gauge set NEC national electrical code NPT national pipe thread OFHC oxygen free high capacity Polycold stack the upper portion of the refrigeration unit that is insulated with foam Recharge procedure for replacing the refrigerant in a 825130 00 REV B Page 73 Refrigerant a proprietary mixture of refrigerants made by Brooks Automation Refrigerant Circuit the path of the refrigerant which goes from the refrigeration unit through the feed line through the cryosurface through the return line and back to the refrigeration unit Refrigerant Expansion Tank tank inside the refrigeration unit that maintains the gaseous refrigerant at a safe pressure when the unit is not at operating temperature Refrigerant Line insulated feed and return lines that carry refrigerant to and from the cryosurface Refrigeration Unit the machine containing the compressor condenser and Polycold stack that cools the refrigerant mixture to cryogenic temperatures Return Line the copper tube in the refrigerant line that carries refrigerant from the cryosurface to the refrigeration unit SAE Society of Automotive Engineers TC thermocouple Top off charge refrigerant mixture that can be added to the refrigerant in the cryopump Technical Supervision Society verifies compliance with EN and IEC standards UL Underwriters Laboratories verifies compliance with NEC standards Vacuum Jacketed Gas Lines Connect the compresso
54. ol manufacturer before making any control setting adjustments The controller has been factory set with the following settings Unit of measure psig Set point when gas compressor off n2 70 psig Reset point when gas compressor off n1 75 psig Set point when gas compressor on n4 19 psig for 05 53 psig for 06 Set point when gas compressor on n3 23 psig for 05 49 psig for 06 Note Your tool OEM may have changed switch settings due to operation at 50 Hz or other system parameters Maximum allowable values for N3 and N4 are shown in table below Even when not powered the controller will retain these settings for 5 10 years Readjustment is not needed under normal circumstances Do not adjust these settings unless specifically authorized by the tool manufacturer Failure to do so may result in tool down time Procedure to verify Pressure Switch Setup Using 05 settings as an example 1 Turn on the auto refill On Off switch Red display on SMC should illuminate 2 Push set button for more than 2 seconds Display should show PSI push set button If not push the left or right scroll button until display PSI then push set button 3 Display should show 1nC If not push the left or right scroll button until display 1nC Push set button 4 Display should show 2nC If not push the left or right scroll button until display 2nC Push set button 5 Display should show 768 If not push
55. oll button until the display shows 2nC Then push the set button d The display should show 768 If not push the left or right scroll button until the display shows 768 Then push the set button e The display should show nAn If not push the left or right scroll button until the display shows n A n Then push the set button f Check each set point by pushing and holding the set button for less than 2 seconds A correct set of set points should ben 1 gt 2 gt 3 gt 4 gt 8 If not push the left or right scroll button to desired valve then push the set button 0 See section 7 6 in Polycold s 825104 Customer Instruction Manual for reprogramming instructions 825130 00 REV B Page 60 6 5 AUTOFILL TROUBLESHOOTING MATRIX Possible Cause Corrective Action Unit does not fill Incorrect N2 fill pressure during initial There may be loose wiring nitrogen fill somewhere Make sure 70 90 PSI is supplied at gas fill line Open the E box and check to see if relay 6 is lighted If itis check the autofill solenoid valve to feel whether its coil is warm If the coil is warm and there is no nitrogen filling replace the solenoid valve If the coil is not warm check its input voltage If it is 24 V replace the coil If it is zero check to see if there is loose wiring somewhere If relay 6 is dim check the green indicator on SMC If it is ON check the voltage between the Black and Brown
56. omer is responsible for all charges and expenses for Brooks Services provided at Customer s location by Brooks technicians as set forth in a quotation Certified Refurbished Products and warranty exchange Products are remanufactured to like new condition and contain used parts and materials Table A Warranty Warranty Cryogenic Cooling Products Warranty Cryotiger Products and Systems 15 Months 12 Months N A AquaTrap Products and Systems Polycold Compact Cooler PCC Cryogenic cooling products including 24 Months 12 Months 12 months Water vapor cryopumps PCT FLC Fl chillers PGCL cryocoolers P and accessories BROOKS MAKES NO OTHER REPRESENTATIONS OR WARRANTIES EXPRESS OR IMPLIED WITH RESPECT TO PRODUCTS OR SERVICES UNLESS EXPRESSLY IDENTIFIED AS A WARRANTY SPECIFICATIONS IN ANY PRODUCT DATASHEET CONSTITUTE PERFORMANCE GOALS ONLY AND NOT WARRANTIES BROOKS MAKES NO WARRANTY RESPECTING THE MERCHANTABILITY OF PRODUCTS OR THEIR SUITABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR USE OR RESPECTING INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS BROOKS DISCLAIMS ANY WARRANTY WITH RESPECT TO PRODUCTS MODIFIED WITHOUT BROOKS WRITTEN CONSENT REPAIRS MADE OUTSIDE OF OUR FACTORY PRODUCTS RENDERED DEFECTIVE BY CUSTOMER MISUSE NEGLIGENCE CORROSIVE ATMOSPHERES ATTACK BY FREE CHEMICALS WITHIN THE SYSTEM ACCIDENT DAMAGE BY CUSTOMER OR CUSTOMER S AGENT OPERATION CONTRARY TO OUR RECOMMENDATION IF THE SERIAL NUMBER HA
57. omer process Low pressure gas returning from the process passes through the regenerative heat exchanger before entering the gas compressor 825130 00 REV B Page 28 2 The 1XCL features refer to figures below FRONT VIEW am cx VU FU hm REAR VIEW DETAIL 3 Unit Features 1 MAIN ON OFF ROCKER SWITCH Gas Compressor Unit HC 8 CB1 This switch starts the gas compressor unit After initial startup switch must remain in the ON position if unit functions are to be accessed remotely 2 MAIN ON OFF ROCKER SWITCH Refrigeration Unit CB2 This switch starts the Refrigeration unit After initial startup ON OFF functions of the unit may be accessed remotely 825130 00 REV B Page 29 10 11 RUN INDICATOR HC 8 Will be illuminated when line voltage and user interface signals present and CB1 is closed and the compressor contactor is closed RUN INDICATOR Refrigeration Unit Will be illuminated when power is applied the rocker switch is in the on I position and all systems are operating normally indicating that the compressor contactor is closed green LED FAULT INDICATOR Refrigeration Unit Will illuminate if a problem such as overpressures or temperature fault should occur Refrigeration Unit and Gas Compressor Unit HC 8 when line voltage is present and Gas Compressor circuit breaker CB1 is closed red LED LINE INDICATOR Refrigeration Unit and Gas Compressor Unit HC
58. on in line Autofill control malfunction 825130 00 REV B 52 is non latching switch To reset the switch the nitrogen pressure must be raised above 70 psi With gas compressor off check the recirculating gas pressure gauge which should show a minimum pressure of 70 psi If below 70 psi check for e Adequate nitrogen fill source 70 psi minimum Leaks in lines Note Small leaks can be compensated for with the internal autofill control switches on and autofill set properly verify gas is connected to gas fill port and that its supply pressure is adequate verify customer installed lines are not blocked Kinked lines or other obstructions in line Verify nitrogen supply meets required dryness dew point 80 C Refer to autofill trouble shooting section 6 5 and 6 6 Page 58 Possible Cause Corrective Action Gas compressor Thermal Switch TS2 Thermal switches TS2 TS3 and TS4 are non not working Run TS3 154 Faults latching switches light is OFF and CB1 is ON To reset allow 30 minutes for thermostats to cool and reset Incorrect water flow or Verify water flow and temperature are within temperature specification see Table C Excessive discharge Verify proper operating pressures for gas temperature at gas compressor suction pressure of 12 psi to 25 psi compressor discharge of 70 psi to 130 psi Gas compressor These faults controlled by the phase protection not working Run relay It
59. oroughly clean all mating surfaces to bare metal 2 Purge the tubes with dry nitrogen GAS while brazing and until the tubes and joints have cooled to below 190 C This prevents internal scale formation or oxidation 3 Remove all excess flux from the brazed joints Use a wet rag while the brazed joint is still hot 4 Dispose of the contaminated waste in a manner approved by the location 5 Carefully inspect each joint for the proper flow of the brazing alloy both surfaces should be wetted by the alloy 6 Carefully check all joints for leaks 825130 00 REV B Page 65 7 2 THERMOCOUPLE ATTACHMENT SPECIFICATION Tools and materials needed Type K Thermocouple wire Thermal wire stripper Tools and materials needed for soldering Sand paper Propane torch Rosin flux Harris Bridgit amp or equivalent lead free solder Neutralizing agent to remove the flux Note Brazing operations should be performed by qualified technicians only 1 2 Thoroughly clean all mating surfaces to bare metal Purge the tubes with dry nitrogen has while brazing and until the tubes and joints have cooled to below 190 C Remove half an inch 13 mm of insulation from one end of the thermocouple wire and twist the two wires together Apply flux and pre tin the twisted wires Use sandpaper to remove oxidation from the copper tube Apply flux and pre tin the tube Apply flux to the pre tinned wires and to the pre tinned copper tu
60. other conspicuous tubes or rattling A tube is not rubbing or components rattling against another surface 825130 00 REV B Page 51 6 2 INDICATOR LAMPS BASED TROUBLESHOOTING MATRIX 825130 00 REV B REFRIGERATION UNIT STATIC MODE 1 UNIT NOT RUNNING NO LINE POWER PRESENT 2 1 REFRIGERATION UNIT STATIC MODE 2 UNIT NOT RUNNING LINE POWER PRESENT AND MAIN ON OFF SWITCH FOR GAS COMPRESSOR IS IN ON POSITION INDICATOR COLOR STATUS CB2 REFRIGERATION COMPRESSOR POWER SW OFF CB1 GAS COMPRESSOR ROCKER SWITCH REFRIGERATION UNIT RUN MODE UNIT RUNNING SYSTEM OK SSS CB2 REFRIGERATION COMPRESSOR POWER SW OFF CB1 GAS COMPRESSOR ROCKER SWITCH ON Page 52 825130 00 REFRIGERATION UNIT FAULT MODE 1 NOT RUNNING PRESS TEMP TRIP OCCURRED ________ CB2 REFRIGERATION COMPRESSOR POWER SW OFF CB1 GAS COMPRESSOR ROCKER SWITCH REFRIGERATION UNIT FAULT MODE 2 NOT RUNNING CIRCUIT BREAKER SWITCH TRIPPED OFF POWER ORANGE OFF CB2 REFRIGERATION COMPRESSOR POWER SW OFF CB1 GAS COMPRESSOR ROCKER SWITCH ON REFRIGERATION UNIT FAULT MODE 3 NOT RUNNING COMPRESSOR OVERLOAD TRIPPED po 2 CB2 REFRIGERATION COMPRESSOR POWER SW CB1 GAS COMPRESSOR ROCKER SWITCH Page 53 6 2 1 REFRIGERATION UNIT INDICATOR LAMP FAULT CONDITIONS EXPLAINED AATTENTION The refrigeration compressor control ci
61. ovided on pins 5 and 6 If user remote fails to start compressor but the remote jumper does inspect condition of pins 5 and 6 for possible damage The signal may be absent for several reasons including incorrect wiring at the integrating equipment incorrect controls programming by the integrating equipment or correct function of the integrating equipment in the event of unit fault resulting in control interrupt latching Verify the supply voltage meets specification see Table B and that the transformer taps are properly configured see section 2 2 step 7 Call your certified service agent or Polycold PS3 is a latching switch Manual reset required If the Gas Compressor does not restart the high pressure PS3 switch may have been tripped Restoring the system to operation requires the following steps Page 57 1 Vent gas to achieve 0 psi using refrigeration valve 17 at the rear of the unit 2 Press the green switch on the dual pressure switch to reset it RESET SWITCH 3 Fill the gas system with a fresh charge of dry gas 70 psig minimum 90 psig maximum 4 Restart the system and if the high pressures switch trips check for restrictions in the customer installed lines Possible Cause Corrective Action Gas compressor not working Run light is OFF and CB1 is ON Low Pressure PS2 Fault Low suction pressure in gas line due to Low nitrogen charge gas leaks Mechanical obstructi
62. r lifting techniques when removing or replacing 2002 HCS LLC 800 748 0241 www safetytabel com 64139 Reorder No HO02S299 825130 00 REV B Page 7 825130 00 _ 6 The information displayed by these red LED s are not safety related This information is for process monitoring process control purposes only See the manual for additional details 407144 00 7 WARNING WARNING This valve is to remain sealed open If this valve is closed when servicing the unit the unit must be attended until the valve is reopened and resealed ACHTUNG Dieses Ventil mu im offenen Zustand versiegelt bleiben Sollte das Ventil w hrend der Wartung des Ger tes geschlossen werden mu das Ger t berwacht werden bis das Ventil erneut ge ffnet und versiegelt wurde PI OT3087 D1 oF Page 8 8 CAUTION CAUTION PREVENT LEAKS CAP THE VALVE VORSICHT UM EIN AUSSTROMEN ZU VERMEIDEN VENTILKAPPE VERWENDEN OTH 03 BE 9 SEISMIC ANCHOR POINT 825130 00 REV B Page 9 REVIEW THE INSTRUCTION MANUAL BEFORE OPERATING THIS EQUIPMENT This unit was shipped with shipping bolt to secure the compressor for transport It must be removed to prevent excess vibration Failure to do so may void your warranty Before shipping this unit the shipping bolt must be re installed to prevent damage during shipping Failure to do so may void your warran
63. r to the vacuum process system The supply gas line carries high pressure inert gas from the compressor to the host equipment and another gas line returns low pressure gas from the host equipment back to the compressor 825130 00 REV B Page 74 9 0 PROCESS amp INSTRUMENTATION DIAGRAM AND ELECTRICAL SCHEMATICS 825130 00 REV B Page 75 30 133 5 37725 NIMvHO 31926 LON Od a 00 18169 amp NN ael Odd 4 CXIMIH 1511 SIMVd 335 IOYLNOD 11154 OLAV SVD V199d LMO 519 IVNIINH3 L 0004 694 202 96 6 1 0082 NOILVAHOdHOD ADOTONHDAL SIN3 LSAS ATOIATOd p 151 5 31 45 JJS 44 15 X 1 251 AIDS LHM 17 7 LHM 7 NUI 9 9 LS 4015 3 6 m CL a _ g v Y gt na 2 HSL E 181 m c OT NU VIS SZ 5 m Moe 54 a z SS dtd e OWS m m HSHdO 9 9 z H SV
64. rcuit features a time delay to remote signals After sending a remote signal on or off to the refrigeration compressor wait 2 minutes for this action to take place Possible Cause Corrective Action STATIC MODE 1 Timer Delay relay is still active Wait two minutes for timer to time out Refrigeration compressor is not working AND CB2 is ON and the Line light is ON Check timer relay settings if on delay is in excess of 2 minutes Verify user remote signal is provided on pins 1 and 2 User remote signal is not provided If user remote fails to start compressor but the remote jumper does inspect condition of pins 1 and 2 for possible damage The signal may be absent for several reasons including incorrect wiring at the integrating equipment incorrect controls programming by the integrating equipment or correct function of the integrating equipment in the event of unit fault resulting in control interrupt latching 825130 00 REV B Page 54 Possible Cause Corrective Action FAULT MODE 1 Refrigeration compressor not working CB2 is ON AND fault light is ON PS1 is a latching switch manual reset required Refrigerant Pressure Switch High Side PS1 is tripped due to Excess load Verify nitrogen compressor pressures typically 19 23 psi during operation lower values used with long lines are within control parameters of autofill control see sections 6 5 to 6 9 If not troubleshoot au
65. rials are unavailable please contact Polycold for support 2 Shut down power to the 1XCL and allow the system to reach ambient temperature allow 24 hours to reach thermal equilibrium or turn off the refrigeration compressor unit and run the gas compressor unit for one 1 hour to warm up the lines and the chuck 3 Disconnect electrical power from the 1XCL system 4 Disconnect the gas supply line 5 Vent gas from the Gas Compressor Unit using the refrigeration valve 17 at the rear of the unit 6 After the gas has vented disconnect the Coolant Gas Bayonet Connectors 23 24 7 Cap the bayonet connectors to prevent diffusion of moisture into the system 8 Turn off the cooling water lines and disconnect Use compressed air to blow out remaining water from the lines 9 Remove the insulated interconnection plumbing from the transport path of the 1XCL unit 10 Verify that the casters are firmly affixed to the base of the 1XCL unit 11 Secure the compressor with the shipping bolt originally provided with the system 12 Raise the seismic anchor jack screws so that the weight of the unit rests on the casters and slowly transport the unit to an area where it may be lifted onto the pallet A WARNING TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe injury or death Read the manual before moving this equipment using the casters Mov
66. rnal short in high voltage Polycold wiring Call your certified service agent or Polycold Locked rotor condition FAULT MODE 3 Incorrect Voltage or transformer Verify the supply voltage meets Refrigeration compressor tap configuration specification see Table B and that the not working AND CB2 is transformer taps are properly ON AND the Fault light is configured see section 2 2 step 7 not lit AND CB1 is ON The internal overload is a non Internal motor failure latching switch Call your certified service agent or Polycold 825130 00 REV B Page 56 6 3 GAS COMPRESSOR UNIT HC 8 FAULT MODES Circuit Breaker 1 CB1 OFF Open Gas compressor runs with remote jumper but NOT with tool remote signal Gas compressor not working Run light is OFF and CB1 is ON 825130 00 REV B Over current in control circuit or compressor current Remote Control Signal not present Damaged pins on remote connector Several possible conditions will prevent the compressor from starting All assume that the proper remote signal is in place See below The Remote Control Signal is provided from the integrating equipment and is required to initiate 1XCL function Hi Pressure PS3 Fault Verify the supply voltage meets specification see Table B and that the transformer taps are properly configured see section 2 3 step 12 Call your certified service agent or PolyCold Verify user remote signal is pr
67. s either high discharge side or low suction side pressure the second being remote monitoring of the thermostat switches coupled to the discharge and liquid line temperatures 11 1XCL Thermocouple Connectors The type k thermocouple connector provides remote temperature monitoring of the refrigerant temperature as it leaves the evaporator and the discharge temperature of the compressor RETURN Measures the nitrogen temperature returning to the 1XCL from the customer process SUPPLY Measures the temperature of the nitrogen supplied by the 1XCL SPARE optional Customer supplied 12 Transformer Voltage Options Used on 440 460 480 VAC Supply The transformer be wired for a number of line voltages The transformer is normally set for 44 and should be checked and reconfigured prior to use at other voltages For the 480V configuration 700193 09 the taps should be set to 480V input power See following diagram 4 Wiring Diagram for 440VAC Operation 825130 00 REV B Page 39 Terminal Block on Transformer Wired for 440VAC 13 Machine Remote Connector The Machine Remote Connector is used for the remote User operation of the 1XCL This connection enables User controlled startup and provides the remote system with 1XCL contactor status signals The 1XCL may be tested without connection to the User system by use of a jumper Under normal operation the 1XCL should be under the control of the
68. s the over current protection for the electrical supply circuit Before connecting the 1XCL to your power source verify the following The disconnect device is readily accessible to the operator located in sight and within 25 of the 1XCL and clearly marked to indicate the equipment that it protects e disconnect device locks in the de energized position only complies with IEC 947 1 and 947 3 standards and meets the requirements of SEMI S2 section 17 Your actual voltage falls within the acceptable range listed in Table B 825130 00 REV B Page 36 Your electrical supply has enough capacity to handle Rated Load Amps and is provided through a circuit breaker rated with at least 10 000 AIC e The circuit protection must be adequately sized to operate with the 10 AWG internal wiring of the circuit The supply power wiring must be sized in accordance with 79 he 1XCL is grounded according to SEMI 52 and CE requirements Note The 1XCL is intended to be a subsystem of equipment and requires incorporation and protection by the host equipment Emergency Off EMO circuit Refer to Electrical Schematic TABLE B Voltage Phase Acceptable Voltage Nominal Voltage Cycles Range FLA 440V 440 39 60 396V 484V 13 2A 480V 480 30 50 60 432V 528V 12A CAUTION Phase sensitive equipment Clockwise rotation required Incorrect rotation will prevent equipment operation The 1XCL is phase sensitiv
69. se steps LOCK OUT TAG OUT PROCEDURE GAS SUPPLY 1 2 Notify personnel you are performing a Lock Out Tag Out LOTO Isolate the system from the gas supply by closing the customer supplied gas connectors Verify the system is locked out by slowly opening the gas inlet fitting on the 1XCL unit and allow the pressure to bleed down for 2 minutes the flow should gradually slow to a stop Add lock and notification Tag to supply source shutoff To re establish gas supply reverse these steps 825130 00 REV B Page 20 2 0 INSTALLATION 2 1 SYSTEM DIAGRAMS See Section 9 for Process amp Instrumentation Diagram and Electrical Schematics 825130 00 REV B Page 21 DISTRIBUTION DIAGRAM FACILITY POWER DROP 5182005 440 3 PHASE 60Hz CUSTOMER SUPPLIED Ex Er INSIDE OUTSIDE d BLOCK F 440 STEP DOWN 208 TRANSFORMER m PHASE PROTECTION MODULE POWER SUPPLY SAFETY SAFETY INTERLOCKS INTERLOCKS REFRIGERATION COMPRESSOR CIRCUIT m MOTOR CONTACTOR m GAS COMPRESSOR HC 8 UNIT Y 208 THERMOCOUPLE SYSTEM CONNECTORS REMOTE 24 INTERFACE HOST MEM a EQUIPMENT Kv mE a ELECTRICAL DISTRIBUTION DIAGRAM Figure 2 Electrical Distribution Diagram 440 460 480VAC 50 60Hz 30 16A 825130 00 REV B Page 22 BL LL E DIAGF LALL 4240 20 CHILLED GAS COOLING WATER REFRIGERANT
70. t 10 minutes If the host equipment is sensitive to water condensation can avoided while system is not in use by plugging the open end s of the GAS circuit or allowing a small amount about 5 SCFH of dry nitrogen to purge the GAS circuit 5 Adsorber Molecular Sieve Replacement The adsorber must be replaced as a part of routine maintenance after every 10 000 hours of operation of the Gas Compressor Replacement part numbers Polycold Part No 840207 00 SHI APD Part 2574280 Se gt ur AUR er wi et tate n 5 527 US I Gr nn nn 2 A 4 gt E Molecular Sieve 1 Shut down system and allow N2 circuit to reach room temperature 2 Vent gas using the refrigeration valve 17 at the rear of the unit 3 Remove external and internal covers to allow access to molecular sieve 4 Loosen sieve inlet and outlet fittings 5 Remove two 2 securing screws 6 Remove adsorber 7 Place new adsorber on bottom plate and secure with two 2 screws 8 Connect inlet and outlet gas lines 9 Charge with gas and check for leaks 10 Replace covers and run unit 825130 00 REV B Page 47 5 0 DISCONNECTION STORAGE AND RESHIPMENT 1 The 1XCL should be transported using its original shipping materials If these mate
71. the left or right scroll button until display 768 Push set button 6 Display should show y nAn If not push the left or right scroll button until display An Push set button 7 Push set button for less than 2 seconds Display should show n 1 and 75 If it is not 75 push the left or right scroll button until display 75 Push set button 8 Display should show n 2 and 70 If not 70 push the left or right scroll button until display 70 Push set button 9 Display should show n 3 and 23 display 23 Push set button 10 Display should show n 4 and 19 display 19 Push set button 5 If not 23 push the left or right scroll button until 5 If not 19 push the left or right scroll button until 825130 00 REV B Page 64 7 0 APPENDIX 7 1 BRAZING SPECIFICATION Tools and materials needed Tubing cutter Sandpaper wire brush or steel wool Pressure or flow regulated dry nitrogen GAS Oxy acetylene torch or air acetylene torch propane is not hot enough For copper to copper joints Harris Dynaflow or Handy amp Harman Sil Fos 6M or equivalent alloy For copper to stainless steel or copper to brass joints Harris Safety Silv 56 or Handy amp Harman Braze 560 or equivalent silver alloy Harris Stay Silv black flux or Handy Flux type B 1 or equivalent Note Brazing operations must be performed by qualified technicians 1 Th
72. to hazards permanently damage the equipment and may void your warranty TABLE A CIRCUIT BREAKER AND FUSE PROTECTION Protection Provided Rated Voltage Amperage Interrupting Designation And Amperage Capacity 230V 20 2500 Ses Nie 1560 230V 2A FU1 on Power Over current 230V 2AT Supply 1 FU2 on Power Over current 230V 2AT Supply 2 PS2 Note Your electrical supply must also have enough capacity to handle the Rated Load Amps and should be provided through a circuit breaker rated with at least 10 000 AIC 825130 00 REV B Page 18 1 7 SAFETY TRAINING GUIDELINES The safety information in this chapter is a summary of the safety information that is to be successfully conveyed to service personnel as part of their training on the POLYCOLD GAS CHILLER 1XCL The training program is intended to ensure that any person who undertakes the service of the 1XCL can demonstrate competence to perform the required tasks safely Accordingly training required for each task includes but is not limited to the following 1 29 2 A review of applicable safety standards and procedures as well as those presented in this chapter A review of maintenance and safety recommendations applicable to vendor supplied equipment An explanation of the purpose of subsystems and their operation An explanation of the specific tasks and responsibilities of each person operator service personnel etc assigned to the Polycold GAS Chiller 1XC
73. to move through the circuit Compressor Compartment the portion of the refrigeration unit that contains the compressor and condenser Condenser component in the refrigeration unit that removes heat from the refrigerant vapor after it exits the compressor Cryopump Polycold s cryogenic refrigeration system that captures water molecules in a vacuum chamber consists of a refrigeration unit a refrigerant line and a cryosurface with cryogenic feedthrough Cryosurface the coil or baffle in the vacuum chamber that captures water molecules by freezing them to its surface Discharge Line portion of the refrigerant circuit containing high temperature high pressure refrigerant just after it has exited the compressor EC European Community EEC European Economic Community EMC electromagnetic compatibility EN European norm or standard Feed Line the copper tube in the refrigerant line that carries refrigerant from the refrigeration unit to the cryosurface Field Replacement Charge refrigerant mixture that replaces the refrigerant in the FNPT Female national pipe thread HC 8E1 Compressor Located inside the 1XCL it provides recirculating inert high pressure helium gas to the host equipment IEC International Electro technical Commission input output Liquid Line portion of the refrigerant circuit containing high pressure refrigerant just after the water cooled condenser has cooled it Manifold service ma
74. tofill control Excess load Verify gas return temperature is below 32 C During post bake out the gas compressor can be used but the refrigeration compressor must remain off until the return temperature is below 32 C Verify cooling water flow and temperature are within specifications of Table C Cooling water flow or temperature out of specification Verify condenser has not accumulated excessive scale Call your certified service agent or Polycold Before calling turn on the gas compressor for 30 minutes to warm the refrigerant system Record the refrigerant suction pressure and check against installation records Problem with refrigerant charge TS1 is a latching switch manual reset is required Verify cooling water flow and temperature is within specifications of Table C Verify condenser has not accumulated excessive scale Temperature switch trip TS1 Cooling water flow or temperature out of specification Reset switch if this is a new installation or if excessive ambient conditions occurred Switch tripped during transit 825130 00 REV B Page 55 Possible Cause Corrective Action FAULT MODE 2 Incorrect Voltage or transformer Verify the supply voltage meets Refrigeration compressor tap configuration specification see Table B and that the not working AND CB2 is transformer taps are properly OFF configured see section 2 3 step 12 Call your certified service agent or Inte
75. ty P N 407143 00 LIFTING HAZARD 900 pounds 400 kg Failure to properly lift this device may result in severe injury or death Read the manual before lifting this equipment using the lifting eyes Assure that the eyes are fully engaged in the frame with no exposed threads Use all four lifting eyes with an adequate lifting harness and mechanism Lifting harness must be centered between the lifting eyes Lift vertically only with no horizontal component P N 407145 00 REVIEW THIS INSTRUCTION MANUAL BEFORE STARTING THIS EQUIPMENT 1 Before starting this equipment record this pressure refrigerant suction When the refrigeration compressor is off the normal range is 140 175 psi 9 6 12 1 bar Lower pressures may be observed if the unit was operated in the last 24 hours and is still cold Lower pressures when the unit is at room temperature can still provide adequate cooling performance 2 There will be a delay of up to 2 minutes before the refrigeration compressor starts After this delay observe that the refrigerant suction gage pressure decreases to approx 20 psi 1 4 bar during the first minute If the pressure remains high turn off the unit and consult Polycold service _ P N 407161 00 TIPPING HAZARD HIGH CENTER OF GRAVITY LESS THAN 10 MAX TILT ANGLE Over tipping leaning this device may cause it to fall over resulting in severe injury or death Read the manual before moving this
76. uipment using the casters Move the equipment on level floors only Move it slowly and avoid rapid acceleration and deceleration Apply force to move the system below the equipment center of gravity Do not place yourself between the moving equipment and fixed obstructions CAUTION THIS SYSTEM PRODUCES AND CIRCULATES COLD GAS TEMPERATURES AS LOW AS 110 C Assure that integrating systems and components are suitable for rapid exposure to these low temperatures AWARNING TIPPING HAZARD HIGH CENTER GRAVITY LESS THAN 10 MAX TILT ANGLE Maintain weight on casters at all times 825130 00 REV B Page 16 1 6 SAFETY INFORMATION Safety Hazards and Safeguards NOTE The user is advised to retain current copies of material safety data sheets MSDS for refrigerants and cleaning agents used in the operation and maintenance of this equipment One copy of the MSDS for the system refrigerant has been attached to this user s manual Safety Devices incorporated in the 1XCL and their function is described below REFRIGERATION COMPRESSOR UNIT High Pressure Switch FP1 Fusible Plug located on expansion tank HTS TS1 High Temperature Switch A high pressure switch is incorporated in the discharge side of the compressor The switch opens contacts if the refrigerant pressure exceeds normal operating pressure interrupting power to the compressor and turning it off This switch requires manual reset The user should not adjust it
77. user remote system N CAUTION Safety devices are installed on the 1XCL to help protect it from permanent damage Some of the protective devices are self resetting with a system status output to the integrating equipment When the system status indicates that a safety component has functioned the integrating equipment should not enable operation until the cause of the fault is corrected If a protective device is triggered the cause of the problem must be corrected before continuing to use the 1XCL Please see Section 6 0 Trouble Shooting or call the Polycold Service Department for assistance Bypassing or repeated resetting of a protective device may expose personnel and or the facility to hazards permanently damage the equipment and may void your warranty 825130 00 REV B Page 40 2 4 CONNECT THE COOLING WATER Tools and materials needed 1 2 inch 15 mm standard pipe size wrench Adjustable or open ended wrench for fittings supplied by customer 1 Make certain your cooling water is adequate Measure the inlet water temperature It must be 55 85 F 13 29 Make certain you have at least the minimum flow rate required for your water s temperature See Table C Cooling Water Flow Requirements Your cooling water may be warmer in the summer than in the winter Cooling water lines within the 1XCL are not insulated To prevent condensation inside the system enclosure assure that the cooling water temperature is warmer than t
78. while not in use by plugging the open end s of the GAS circuit or allowing a small amount about 5 SCFH of dry nitrogen to purge the GAS circuit AATTENTION The refrigeration compressor control circuit features a time delay to remote signals After sending a remote signal on or off to the refrigeration compressor wait 2 minutes for this action to take place 825130 00 REV B Page 43 AATTENTION Due to shipping temperatures thermal switch TS1 may have tripped during transit Locate and reset the switch upon installation 3 1 INITIAL START UP 9 Verify that the unit is hardwired plugged in and line voltage is present LINE light on the front of the unit will illuminate when the Main On Off Rocker Switch item 1 in Unit Features is in the on position Verify that the remote cable is connected to the remote connector on the back of the unit and that the EMO loop connections are connected Verify that GAS and COOLING WATER connections have been established and are leak free Verify that the Fill Power Switch is in the ON position Switch the upper rocker switch 2 to the ON position The unit should be operational Functions can be monitored through the remote connector Turn on the refrigeration compressor the remote Wait 120 seconds for refrigeration compressor to start Observe the upper Refrigeration Gas Pressure gauge 9 it should show a drop in pressure Initial pressure should be between 1
79. will reset when proper power conditions light is OFF and are provided When proper power conditions exist CB1 is ON both LEDs are lit See location photo below Wrong phase for power Provide clockwise rotation for the supply power Wrong voltage too low Verify the supply voltage meets specification see Table B and that the transformer taps are properly configured see section 2 3 step 12 Phase Protector Module 825130 00 REV B Page 59 6 4 AUTOFILL TROUBLESHOOTING BASICS 1 Verify the nitrogen supply pressure is in the correct range 70 90 psi 2 Verify that the auto refill switch is ON and the red display illuminates on the SMC pressure switch 3 Verify that the SMC pressure switch does not blink If it does turn off auto refill switch for 1 2 minutes then turn it back on If it is still blinking remove one lead on the coil of auto refill solenoid valve If it becomes not to blink replace the coil 4 Verify that the SMC pressure switch setting is correct a Push and hold the set button for more than 2 seconds then release it The display should show PSI push the set button again If PSI is NOT shown push the left or right scroll button until PSP is displayed push the set button again b The display should show 1nC If not push the left or right scroll button until the display shows Then push the set button The display should show 2nC If not push the left or right scr

Polycold Closed Loop Gas Chiller (825130)

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