Carlyle 05T Application Manual Download Page 67

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3.0 Oil System Schematics Used with Older
Carlyle Electronic Module (CEM) Systems

OIL SYSTEM SCHEMATIC

OIL SEP.

OIL HEATER

LEVEL SWITCH

OIL

LINE

DISCHARGE

LINE

LEAD COMPRESSOR

OPDS

3 MICRON FILTERS

FPDS

TO CONDENSER

OIL SOLENOID

HAND VALVE

FILTER PRESSURE
DIFFERENTIAL SWITCH

OIL PRESSURE
DIFFERENTIAL SWITCH

FPDS

OPDS

PRESSURE

SIGHT GLASS

MIXING

VALVE

OIL COOLER

ISOMETRIC VIEW

*Note: Other oil temperature control options are available. See section 3.7.

Summary of Contents for 05T

Page 1: ...TM 05T 06T SCREW COMPRESSOR APPLICATION GUIDE ...

Page 2: ...EM Electronic Module Introduction Summary of Control Points 1 06T Model Number Significance 2 Compressor Physical Dimensions 2 Section 1 General Information 1 1 Certification 4 1 2 Screw Compressor Size Displacement 4 1 3 Compressor Mounting 4 1 4 Oil Type 4 1 5 Ambient Conditions 5 1 6 Installation Environment 5 1 7 Pressure Relief Valve 5 1 8 Discharge Check Valve 5 1 9 Compressor Inlet Screens ...

Page 3: ...reliability of the Carlyle 06T and 05T twin screw compressors For applications outside the parameters listed in this guide please contact Carlyle Application Engineering Unless otherwise noted all information contained in this application guide applies to both the 06T and 05T models Introduction Summary of Control Points Oil System Maximum oil temperature 190 F 88 C entering compressor Minimum oil...

Page 4: ...vice valve used on all 33 54 cfm Compressors Larger barstock service valve used on all 65 88 cfm Compressors shown 06T MODEL NUMBER SIGNIFICANCE COMPRESSOR PHYSICAL DIMENSIONS FOR REFERENCE ONLY INCHES MILLIMETERS mm ...

Page 5: ...3 COMPRESSOR PHYSICAL DIMENSIONS CONTINUED Standard service valve used on all 33 54 cfm Compressors Larger barstock service valve used on all 65 88 cfm Compressors shown ...

Page 6: ... 88 2 49 73 3 2 08 06T 108 N A N A 90 0 2 56 Semi hermetic compressors will be supplied with single voltage motors 208 230 volts 460 volts and 575 volts 1 3 Compressor Mounting The Carlyle 05T 06T screw compressors may be rigid mounted However Carlyle recom mends the use of isolation mounts Carlyle P N KA75KR007 Package No 06TA660007 for 06T compressors These rubber mounts isolate the compressor f...

Page 7: ...and oil connections For systems that operate below 25F 32c it is recommended that the suction screen be removed after 48 hours of system startup as the viscous oil can damage the screen The compressor inlet screens are field serviceable and available through Carlyle distribution 1 10 Service Valves Suction and discharge connections will interface with the 2 1 2 bolt pattern service valves currentl...

Page 8: ...0 71 40 4 45 7 50 10 55 13 Disch Temp Control Oil Cooling Control R 22 APPLICATIONS Saturated Discharge Temperature deg F deg C 120 60 140 0 20 40 80 100 60 49 38 27 16 4 7 18 40 35 30 25 20 20 15 10 5 0 5 10 15 25 30 35 40 37 34 32 29 26 23 21 18 15 12 9 7 4 1 2 Saturated Suction Temperature deg F deg C Disch Temp Control Oil Cooling Control Discharge Temperature Control and Oil Cooling Required ...

Page 9: ...he use of an external oil pump 2 4 Operating Speed Ranges The operating speed range for the screw com pressor is as follows for the different size range compressors Model ft3 m3 Min Max No min min Hz Hz 06T 033 33 0 93 50 70 06T 039 39 1 10 40 70 06T 044 44 1 26 35 70 06T 048 48 1 36 30 70 06T 054 54 1 53 30 70 06T 065 65 1 84 25 70 06T 078 78 2 21 20 68 06T 088 88 2 49 20 60 06T 108 90 2 56 20 50...

Page 10: ... required motor cooling load It is important that the motor cooling system be capable of handling the increased cooling required for the motor Oil return economizer return gas and the motor cooling valve all assist in cooling the motor Carlyle recommends applying the largest motor cool ing valve Carlyle P N EF28BZ007 with all screw compressors applied using inverters Inverters are an effective too...

Page 11: ...50 Suction Pressure psig bar Discharge Pressure psig bar Set at High Vi in this Region Energized 15 Set at Low Vi in this Region De energized 24 1 20 7 17 2 13 8 10 3 6 9 3 4 0 0 3 7 1 0 1 4 1 7 2 1 2 4 2 8 3 1 3 4 2 8 High Discharge Pressure Control A high pressure cut out must protect the com pressor from exceeding 350 psig 25 2 bar The compressor may be brought back on line after the discharge ...

Page 12: ... for a mechanical low pressure switch and line load phase monitor See Appendix A for descrip tions of operation applications for the LonCEM module 2 12 Mufflers Screw compressors emit very high frequency gas pulsations that have the potential to result in significant discharge line and oil separator noise The addition of the Carlyle screw com pressor muffler is required in all applications to redu...

Page 13: ...e use of the Carlyle 14 35 6cm separator and single and double compressor systems require the use of the Carlyle 12 30 5cm separator See the draw ings below for dimensional information on the oil separators Section 3 Oil Management System 11 FOR REFERENCE ONLY INCHES CENTIMETERS cm 12 30 5cm VERTICAL OIL SEPARATOR PHYSICAL DIMENSIONS 14 35 6cm VERTICAL OIL SEPARATOR PHYSICAL DIMENSIONS ...

Page 14: ...l sump and therefore are shipped empty and must not be charged For the recommended oil type please refer to Section 1 4 Carlyle recommends operating the system with the oil level between the top two sight glasses on the oil separator 3 4 Oil Level Switch An oil level switch is required and must be located in the bottom of the oil separator or reservoir The level switch is used to monitor the oil l...

Page 15: ... 16 diameter or larger An oil strainer is required before each oil solenoid or as an integral part of the solenoid The sole noid will protect the compressor from being filled with oil from the high pressure oil feed line during the off cycle Each solenoid must be properly wired to the Carlyle CEM per installation instructions of the compressor it is controlling The valve must be open during the on...

Page 16: ... system s condenser selec tions Since the oil cooler removes heat from the compressor additional heat will be transferred to the compressor s heat of rejection or condenser load Current ver sions of Carlyle s compressor selection pro gram take this into consideration allowing selections to be made with or without an external oil cooler Operating without an oil cooler results in little or no perfor...

Page 17: ... SIZING WITHOUT OIL COOLER R 22 Added Desuperheating R 404A 507 Added Desuperheating R134a Added Desuperheating Compressor Model HP Low Temp Med High Temp Low Temp Medium Temp Medium Temp High Temp Low Temp SCT Range 70 to 120 F 90 to 120 F 70 to 150 F 70 to 150 F 21 to 49 C 32 to 49 C 21 to 65 C 21 to 65 C 06TRC033 15 FV 2 N A FV 1 N A None None 06TRD039 20 FV 3 N A FV 1 1 2 N A None None 06TRD04...

Page 18: ...o do liquid subcooling The additional mass flow from the oil cooler to the interstage will increase the interstage pressure This will prevent the subcooler from achieving the lowest possible liquid temperature Both systems require hold back valves to prevent the oil temperature from dropping below 80 F 27 C Also caution must be taken to ensure that the return gas to the compressor is not too hot F...

Page 19: ...OR REFERENCE ONLY INCHES CENTIMETERS cm MODEL KH51ZZ182 OIL INLET AT BOTTOM OIL OUTLET AT TOP ALL MODELS Electrical Specifications All Models Voltage 115 230V 50 60Hz Amperage 3 2 1 6 Amps Full Load 60Hz 2 8 1 4 Amps Full Load 50Hz Amperage ratings are per motor ...

Page 20: ...18 FOR REFERENCE ONLY INCHES CENTIMETERS cm MODEL KH51ZZ183 FOR REFERENCE ONLY INCHES CENTIMETERS cm MODEL KH51ZZ184 OIL INLET AT BOTTOM OIL OUTLET AT TOP ALL MODELS ...

Page 21: ...5cm O RING 0 975 24 8cm I D X 0 210 5 3cm CROSS SECT END CAP INLET I D 0 876 0 880 22 23 22 35 X 0 75 19 1 DEEP 2 5 16 16 UNC THREADED O RING CLOSURE 2 62 O D 66 6 DRAIN 1 4 3000 NPT HALF COUPLING PLUGGED 8 56 0 06 217 4 10 00 0 06 254 0 5 25 0 06 133 4 3 25 82 6 3 25 82 6 FILTER HOUSING REPLACEMENT TYPE FOR REFERENCE ONLY INCHES MILLIMETERS mm FOR REFERENCE ONLY INCHES CENTIMETERS cm ...

Page 22: ...r compressor may also be used One filter both filters may be used simultaneously is used at a time and the pressure drop across the filter is monitored This design allows easy mainte nance of the filter element without shutting the system down The second filter is simply valved on while the first filter is changed In general two oil filter housings are piped in parallel with isolation valves locat...

Page 23: ...D COMPRESSOR 3 MICRON FILTERS P TO CONDENSER OIL SOLENOID SIGHT GLASS MIXING VALVE P P OIL COOLER IF REQUIRED HAND VALVE PRESSURE SENSOR OIL SYSTEM SCHEMATIC ISOMETRIC VIEW 3 12 Oil System Schematics Note Other oil temperature control options are available See section 3 8 ...

Page 24: ... 2 7 8 0 34 1 54 3 43 5 83 3 6 22 8 7 8 0 52 2 31 5 15 8 76 4 8 30 4 1 1 8 0 22 0 97 2 16 3 67 5 10 38 1 1 8 0 27 1 21 2 69 4 58 20 Ft Manifold Length Assumed Delta P PSI Number of Compressors GPM LPM Manifold O D in at 10 cSt at 45 cSt at 100 cSt at 170 cSt 1 2 7 6 7 8 0 34 1 54 3 43 5 84 2 4 15 2 1 1 8 0 22 0 97 2 16 3 67 3 6 22 8 1 1 8 0 32 1 46 3 24 5 50 4 8 30 4 1 1 8 0 43 1 94 4 31 7 33 5 10...

Page 25: ...Management System liquid distribution to the compressors if flooding occurs Please see the refrigerant piping schematic below Steel refrigerant piping is not recommended with screw compressor applications The contaminant s associated with the steel pipe will overload the 3 micron filters used on the oil system causing excessive and costly filter changes and increasing the chances of oil related co...

Page 26: ...m of the motor cooling valve for each compressor and downstream of the solenoid valve The check valves are used to eliminate the possibility of reverse flow from any compressor economizer port Carlyle also recommends that separate subcoolers be used for each different saturated suction tempera ture group Compressors operating with different sat urated suction temperatures will have a significant d...

Page 27: ... 98 6 3007 1 TEMPERATURE RESISTANCE C F OHMS 38 100 4 2886 9 39 102 2 2772 1 40 104 2662 4 41 105 8 2557 8 42 107 6 2457 7 43 109 4 2362 1 44 111 2 2270 8 45 113 2183 45 46 114 8 2099 93 47 116 5 2020 04 48 118 4 1943 6 49 120 2 1870 5 50 122 1800 49 51 123 8 1733 46 52 125 6 1669 66 53 127 4 1607 81 54 129 2 1548 95 55 131 1492 54 56 132 8 1438 46 57 134 6 1386 62 58 136 4 1336 93 59 138 2 1289 2...

Page 28: ...RA value shown for the com pressor The circuit breakers and overload relays select ed by Carlyle are manually reset and have been sized to protect the compressor against running overcurrent locked rotor primary and secondary single phasing These devices also offer the additional advantage of protecting the compressor against malfunctions of the com pressor contactor which may not be possible with ...

Page 29: ...4 49 3 62 7 127 7 35 2 44 8 91 2 06TRF065C 06TRF065B 06TRF065F 575 400 460 208 230 30 62 76 154 219 253 611 HH83XB617 HH83XA474 HH83XC573 54 67 134 61 78 154 219 274 611 HN76JZ033 HN76JZ033 HN76JZ075 55 66 136 61 6 73 9 152 3 44 52 8 108 8 06TRG078C 06TRG078B 06TRG078F 575 400 460 208 230 35 72 89 181 258 323 721 HH83XB618 HH83XA475 HH83XC574 63 74 158 72 89 181 258 323 721 HN76JZ033 HN76JZ050 HN7...

Page 30: ... 460 208 230 35 72 89 181 258 323 721 HH83XB618 HH83XA475 HH83XC574 63 74 158 72 89 181 258 323 721 HN76JZ050 HN76JZ050 HN76JZ090 69 78 161 77 3 87 4 180 3 55 2 62 4 128 8 06TAH078C 06TAH078B 06TAH078F 575 400 460 208 230 40 81 101 203 296 370 825 HH83XB619 HH83XA476 HH83XC575 71 88 179 81 101 203 296 370 825 HN76JZ050 HN76JZ050 HN76JZ090 72 90 180 80 6 100 8 201 6 57 6 72 144 06TAK088C 06TAK088B ...

Page 31: ...r through a subcooler and over the compressor motor This process called an economizer cycle pro vides liquid subcooling and motor cooling reducing the need for liquid injection Due to both these processes being done at an inter mediate pressure versus suction pressure sig nificant increases in energy efficiency are real ized A typical economizer arrangement is shown below The flow to the screw com...

Page 32: ...mance Data Adjustment with lower return gas temperatures based on all useful superheat at the compressor However the actual evaporator capacity will increase with lower return gas temperature due to the higher gas density entering the compressor which will result in larger com pressor mass flow rates Mass flow rates are published in the compressor performance tables and may be used to calculate co...

Page 33: ...perature is above 170 F The model numbering system however is slightly different The cross reference can be found in the table below 06T 05T RPM Ft3 min m3 min Model Model 60Hz 50Hz 60Hz 50Hz 06T 033 05TRQ033 1750 1450 33 78 06T 039 05TRQ039 39 92 06T 044 05TRQ044 44 1 04 06T 048 05TRQ048 48 1 13 06T 054 05TRQ054 54 1 28 06T 065 05TRQ033 3500 2900 65 1 53 06T 078 05TRQ039 78 1 84 06T 088 05TRQ044 ...

Page 34: ...ackage Dimensions Selection Required 15Hp 254TC 20Hp 256TC 1750 rpm 60Hz C flange 0TA0929 drawing A 25Hp 284TC 1450 rpm 50Hz 30Hp 286TC 40Hp 324TC 1750 rpm 60Hz C flange 0TA0930 drawing B 50Hp 326TC 1450 rpm 50Hz 30Hp 286TSC 40Hp 324TSC 3500 rpm 60Hz C flange 0TA0931 drawing C 50Hp 326TSC 2900 rpm 50Hz 60Hp 364TSC 75Hp 365TSC Please review C Flange dimension drawings for all dimensional informatio...

Page 35: ... 13 D D D 2 D 1 Ø 539 X 90 CSK B B R 25 ø10 50 90º 45º 3 05 R5 39 3 05 5 21 5 21 132 3 77 5 132 3 77 5 28 7 6 4 127 136 9 273 1 25 4 B S D C Ø 015 M 4X Ø17 32 THRU S D C Z Ø 0015 S 2X Ø 500 X 63 DEEP 0005 0 B C A 9 875 1 0 5 00 1 13 D D D 2 D 1 R5 39 R 25 Z Ø12 50 45º 90º 3 05 5 21 5 21 3 05 77 5 132 3 132 3 77 5 28 7 6 4 25 4 317 5 250 8 C Flange Dimensions A C Flange Dimensions B C Flange Dimens...

Page 36: ...Hp 256TC 1450 rpm 50Hz 25Hp 284TC 1750 rpm 60Hz 1 7 8 8TA0869B 30Hp 286TC 1450 rpm 50Hz 40Hp 324TC 1750 rpm 60Hz 2 1 8 8TA0870B 50Hp 326TC 1450 rpm 50Hz 3500 rpm 60Hz 30Hp 286TSC 1 5 8 8TA0868B 2900 rpm 50Hz 40Hp 324TSC 50Hp 326TSC 3500 rpm 60Hz 1 7 8 8TA0869B 60Hp 364TSC 2900 rpm 50Hz 75Hp 365TSC Table 8 3 8 5 Overall Dimensions All the 05T compressors have the same exter nal physical dimensions ...

Page 37: ... 0TA0930 40 1750 324TC 10 50 26 67 6 25 15 88 28 86 73 30 1 86 4 72 69 1 75 50 1750 326TC 12 00 30 48 6 25 15 88 28 86 73 30 1 86 4 72 69 1 75 30 3500 286TSC 11 00 27 94 5 50 13 97 26 42 67 11 858 2 18 56 1 42 40 3500 324TSC 10 50 26 67 6 25 15 88 27 11 68 86 1 86 4 72 69 1 75 0TA0931 50 3500 326TSC 12 00 30 48 6 25 15 88 27 11 68 86 1 86 4 72 69 1 75 60 3500 364TSC 11 25 28 58 7 00 17 78 27 73 70...

Page 38: ...8 cfm compressors use 3500 rpm 2 pole motors 60 Hz 2900 rpm 50 Hz The motor must be a C Face motor in order to mount with the C Flange Windows is a registered trademark of the Microsoft Corporation Although screw compressors have lower frictional torque requirements than normal reciprocating com pressors the screw compressor can have high start ing torque levels This is especially true when the su...

Page 39: ... 05 above the rated brake horsepower multiplied by the ratio of the design speed to the rated speed The 05T performance data has several items which should be considered when selecting the proper compressor and motor size 1 The 33 54 cfm model s performance data is based on 1750 rpm 60 Hz 2 The 65 88 cfm model s performance data is based on 3500 rpm 60 Hz 3 65 F 18 C return gas temperature is used...

Page 40: ...ired into the com pressor control circuit The switch must be located above the compressor high pressure switch port location 1 4 tubing must be used for the pressure switch connection Do not use capillary tubing as this may cause a time delay in the trip setting This does not apply to systems using the newer LonCEM Module or pressure transducer connections for newer LonCEM 5 Check oil pressure dif...

Page 41: ...mode 3 If a variable speed drive is used and the compressor will not start within 10 seconds shut down the compressor and check the inverter size and logic 4 After rotation has been verified prior to running the compressor ensure gages have been connected to the oil feed manifold between oil line solenoid and compressor Upon start up immediately check oil pressure difference between oil feed press...

Page 42: ...ittings are supplied with each LonCEM module package which are to be installed in the suction and discharge access ports Section 10 Accessory Part Numbers Quantity Per Compressor Qty Accessory Part Number 1 Circuit Breaker HH83X 1 Oil Press Diff Sw HK06ZB006 Older Systems HK06ZB001 1 Rev Rotation Sw HK01CB002 Older Systems HK01CB001 1 Muffler LM10HH162 1 C E M 3TA0796B 1 LonCEM OTA1063 1 5K Thermi...

Page 43: ...Installation Application Instructions 05T 06T Screw Compressor Module LonCEM Last Updated 09 20 04 APPENDIX A ...

Page 44: ...s 3 3 0 Installation Instructions 4 3 1 Mounting Module 4 3 2 Sensor Inputs 5 3 3 Control Outputs 7 3 4 Special Instructions For 05T Installations 9 3 5 LonWorks Communication Control Summary 9 3 6 Troubleshooting Application Notes 11 Appendix A Functional Overview 12 Appendix B Wiring Schematic 13 Appendix C Sensor Wire Grounding 14 Appendix D Alarm Summary 15 Appendix E Converting Sensor Outputs...

Page 45: ...luding suction pressure discharge pressure oil pressure motor temperature and discharge temperature are available for data logging and or as input to another controller The module will be available as part of a package including all necessary sensors wiring harnesses and fittings The remainder of this document provides a comparison of the old and new protection modules bill of materials of the Lon...

Page 46: ... with and without the LonWorks communication option The following table lists all the components supplied in each package Table 1 Bill of Materials Item 0TA1063 Package with LonWorks Quantity 0TA1064 Package without LonWorks Quantity Carlyle P N Description 1 1 3TA1061 LonCEM with LonWorks Transciever 1 1 3TA1062 LonCEM without LonWorks Transciever 2 1 1 HK05YZ003 Low Pressure Transducer suction 3...

Page 47: ...of shielded cable used to connect the pressure transducers to the module The red wire connects to the 5 input the white wire connects to the Sig input and the black wire connects to the Gnd input The remaining six inputs are for the motor temperature thermistor discharge temperature thermistor and communications input all of which are polarity insensitive Male quick disconnects are provided for al...

Page 48: ...ure and discharge pressure transducers Item 3 do not contain any special markings on the black base Discharge Pressure see Figure 1 1 Install the discharge adapter fitting Item 6 into the compressor s high side port 2 Install the cross fitting Item 8 into the adapter fitting torque to 20 25 ft lb 27 34 NM using Teflon tape or pipe dope The cross fitting can be oriented as desired 3 The discharge p...

Page 49: ...raeder fittings removed from either suction or discharge access ports should be installed at the end of the oil galley for oil pressure field measurements Figure 2 Oil Fittings Discharge Temperature The discharge temperature sensor Item 5 should be strapped to the discharge line as close to the discharge service valve as possible within 6 or less is optimal Carlyle recommends using thermoconductiv...

Page 50: ...below Note that each of the corresponding liquid LED lights one for each output is lit whenever the output is closed and the output is energized See Table 2 for a summary of the module temperature control functions 1CR Contactor This terminal supplies power to the compressor contactor coil relay The module uses this output to turn the compressor on or off Whenever power is supplied to Ccall compre...

Page 51: ...ressors are supplied with one step of unloading Control of the unloading function is not accomplished by the module but is controlled externally by a rack controller or pressure switch wired in series with the UNL output The module has a 30 second time delay before energizing the unloader output insuring the compressor starts unloaded The compressor is loaded when the unloading coil is energized O...

Page 52: ...sors are 1 Since the 5K motor thermistor is not available for the open drive 05T compressors a 5 1Kohm resistor simulating a 76 F temperature reading should be placed across the motor temperature input Any watt carbon film 5 1 Kohm 5 resistor available from many electronic part stores is acceptable 2 The oil pressure access fitting on the 06T compressor is not available on the 05T compressors Ther...

Page 53: ...scharge Pressure Oil Pressure Motor Temperature Discharge Temperature Memory Storage The following information is stored in the modules permanent memory All sensor readings recorded prior to the last compressor alarm Number of Compressor Cycles Compressor Run Time Cumulative Alarm Trips for each Compressor Alarm ...

Page 54: ...d with inverter power wiring especially the wiring from the inverter to the compressor motor Inverters can emit a significant amount of electrical noise which is normal on the output side of the inverter between inverter and motor 3 6 2 Pressure Transducer Readings The cross fitting supplied in the LonCEM package see Item 8 in Figure 1 for the suction and discharge access fittings is supplied with...

Page 55: ... the motor temperature reaches 240F the CEM will shut off the compressor until the temperature drops below 200F INPUT DEVICE FAILURES n The module will shut off the compressor if it detects any failure of an input device thermistors pressure transducers DISCHARGE TEMPERATURE CONTROL n The motor cooling valve will be energized when the discharge temperature reaches 205F and will de energize when th...

Page 56: ...ns are all polarity insensitive 2 L1 must be jumpered to 240V or 120V depending on line voltage The drawing shows wiring for 120V The L1 input is used to power the alarm output 3 The compressor is loaded when the solenoid is energized and unloaded when de energized 4 A normally closed set of contacts can be added to reset power to the module Useful for remotely resetting a module out on an Alarm F...

Page 57: ...with the drain wire being wrapped around the ground wire which is the bottom wire for the temperature inputs Drain wire should be wrapped around the ground wire and inserted into the signal ground input see right Pins 3 6 9 11 13 and 15 counting from the top are all Ground Inputs Additional Notes 1 Each sensor pressure transducers and thermistors should be run in separate shielded cables with the ...

Page 58: ...rop across the oil system is greater than 50 psig for more than 15 seconds a shutdown sequence is initiated Pd Po 50 psig for 15 continuous seconds Oil Pressure Differential If the difference between oil pressure and suction pressure is less than 45 psig for more than 90 seconds a shutdown sequence is initiated Po Ps 45 psig for 90 continuous seconds Discharge Temperature If the discharge temperat...

Page 59: ... Code Summary Following is a summary of the diagnostic alarm codes flashed by the yellow alarm light during a compressor alarm DIAGNOSTIC CODES CODE Definition 1 Reverse Rotation 2 Safety Circuit Open 3 Change Oil Filter 4 Low Oil Differential 5 High Discharge Temperature 6 High Motor Temperature 7 Compressor Unloading 1 1 Motor Thermistor Failure 1 2 Discharge Thermistor Failure 1 3 Suction Press...

Page 60: ...ow side suction and high side discharge and oil transducers The equations shown in the graphs give approximate values as they assume a perfect 5 power supply L o w P r e s s u r e S u c t i o n 0 1 2 3 4 5 6 2 0 0 2 0 4 0 6 0 8 0 1 0 0 1 2 0 1 4 0 P r e s s u r e P S I G P S IG 3 3 0 V o u t 1 6 5 Output Voltage DC Volts H i g h P r e s s u r e D i s c h a r g e a n d O i l 0 1 2 3 4 5 5 0 0 5 0 1...

Page 61: ...3 1 8 911 2 68 8 155 9 3 6 4165 7 29 2 84 6 1 7 834 5 71 4 160 6 3 5 3780 0 31 5 88 7 1 6 762 4 74 1 165 4 3 4 3442 5 33 7 92 7 1 5 694 3 76 9 170 5 3 3 3144 7 35 9 96 6 1 4 630 0 79 9 175 8 3 2 2880 0 38 1 100 5 1 3 569 2 83 1 181 5 3 1 2643 2 40 2 104 3 1 2 511 6 86 4 187 6 3 2430 0 42 3 108 1 1 1 456 9 90 1 194 1 2 9 2237 1 44 4 111 9 1 405 0 94 0 201 3 2 8 2061 8 46 5 115 6 0 9 355 6 98 4 209 ...

Page 62: ... circuit breaker with the contacts in series with the mechanical safeties This is to deactivate the module i e shut off oil feed in case of a breaker trip All systems manufactured after October 1998 and HFC systems manufactured prior to this date should incorporate the Carlyle HK06ZB006 mechanical oil safety switch This switch monitors the differential between compressor discharge and oil inlet It...

Page 63: ...el Should the thermistor continue to register an overheated condition the CEM will shut down the compressor This liquid injection motor cooling valve Carlyle P N EF28BZ007 used on all models must be added to the economizer line downstream of the check valve and upstream of each compressor Along with temperature monitoring the module will control the startup sequencing of the unloader coil Vi coil ...

Page 64: ...be measured across the motor and or discharge pins motor to common or discharge to common and converted to temperature See the Temperature vs DC Voltage on the following page for the conversion The connection where power is brought into the module is found at port L1 located at the upper left corner of the CEM The module must be wired last in series with the other mechanical safeties see CEM Wirin...

Page 65: ...4 TEMPERATURE VS DC VOLTAGE ...

Page 66: ...and the UNL output is closed This allows the compressor to run for 45 seconds unloaded and with a low Vi on start up which assists in creating a softer start The UNL LED will light when the output is closed ALM Whenever a shutdown or fault condition occurs power is supplied to this output and its corresponding LED lighted The intention of this output is to allow a signal to be sent back to the rac...

Page 67: ... O I L L I N E DISCHARGE LINE LEAD COMPRESSOR OPDS 3 MICRON FILTERS FPDS P P TO CONDENSER P P OIL SOLENOID HAND VALVE FILTER PRESSURE DIFFERENTIAL SWITCH OIL PRESSURE DIFFERENTIAL SWITCH FPDS OPDS P PRESSURE SIGHT GLASS MIXING VALVE OIL COOLER ISOMETRIC VIEW P P Note Other oil temperature control options are available See section 3 7 ...

Page 68: ... CEM Systems HPS LPS HPS LPS EVAPORATOR LEAD COMPRESSOR HPS LPS HPS LPS OIL SEP DISCHARGE CONDENSER ECONOMIZER EXPANSION VALVE SOLENOID CHECK VALVE HPS HIGH PRESSURE SWITCH LPS LOW PRESSURE SWITCH RLPS RLPS RLPS RLPS MOTOR COOLING VALVE RLPS REVERSE ROTATION LOW PRESSURE SWITCH ...

Page 69: ...rring obligations CARLYLE COMPRESSOR DIVISION CARRIER CORPORATION 2 02 P O Box 4808 Syracuse New York 13221 Phone 1 800 532 5031 Fax 1 315 432 3274 In U S and Puerto Rico 1 800 GO CARLYLE 1 800 462 2759 In Canada 1 800 258 1123 In Mexico 001 800 GO CARLYLE 001 800 462 2759 001 888 GO CARLYLE 001 888 462 2759 Lit No 574 030 Rev F 09 04 TM ...

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