York MILLENNIUM YCUL0045SC Installation Operation & Maintenance Download Page 1

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YCUL0045SC - YCUL0275SC

Standard & Metric Models, Combined

380 - 415 / 3/ 50

MODELS ONLY

INSTALLATION, OPERATION & MAINTENANCE

MILLENNIUM

AIR-COOLED CONDENSING UNITS

HERMETIC SCROLL

Supersedes: Nothing

Form 150.63-NM2 (999)

00096VIP

Summary of Contents for MILLENNIUM YCUL0045SC

Page 1: ...SC YCUL0275SC Standard Metric Models Combined 380 415 3 50 MODELS ONLY INSTALLATION OPERATION MAINTENANCE MILLENNIUM AIR COOLED CONDENSING UNITS HERMETIC SCROLL Supersedes Nothing Form 150 63 NM2 999...

Page 2: ...UL0145SC English 60 YCUL0145SC Metric 62 YCUL0161SC English 64 YCUL0161SC Metric 66 YCUL0171SC English 68 YCUL0171SC Metric 70 YCUL0185SC English 72 YCUL0185SC Metric 74 YCUL0211SC English 76 YCUL0211...

Page 3: ...ontrol 2 Compressors 122 21 Condenser Fan Control Using Outdoor Ambient Temperature And Discharge Pressure 124 22 Condenser Fan Control Using Discharge Only 124 23 Low Ambient Condenser Fan Control Am...

Page 4: ...Field Wiring 23 9 Optional Suction Temperature Sensor Field Wiring 23 10 Discharge Air Temperature Control 121 11 Suction Pressure Control 123 12 Field Factory Electrical Connections Optional Remote T...

Page 5: ...ion and responsibility of operating service personnel to work safely Failure to comply with any of these requirements could result in serious damage to the equipment and or the property in which it is...

Page 6: ...NIT DESIGNATOR REFRIGERANT VOLTAGE STARTER DESIGN DEVELOPMENT LEVEL Y 0 S C 1 7 A C 1 2 8 A A 4 0 U 4 6 5 0 L 5 8 YORK Chiller Air Cooled Condensing Unit Scroll 60HZ Nominal Tons Even Number 50HZ Nomi...

Page 7: ...d Blanket Low Sound Fans 1 Deflection Seismic Neoprene Pads 55 EXTENDEDFIELD X B C D E F G H 1st Year Parts Only 1st Year Parts Labor 2nd Year Parts Only 2nd Year Parts Labor 5 Year Compressor Parts O...

Page 8: ...BALL VALVE SIGHT GLASS MOISTURE INDICATOR SOLENOID OPERATED HOT GAS BYPASS VALVE YCUL REFRIGERANT FLOW DIAGRAM NOTE YCUL0125 0275 HAVE TWO REFRIGERANT SYSTEMS HOT GAS OPTION SYSTEM 1 ONLY LIQUID LINE...

Page 9: ...rticularly in regard to electri calwiringandothersafetyelementssuch as relief valves HP cut out settings de sign working pressures and ventilation requirements consistent with the amount and type of r...

Page 10: ...ON for a detailed description of operation concern ing unit contacts and inputs Liquid Line Solenoid Connections The field supplied and installed liquid line solenoid valves should be installed at the...

Page 11: ...ls 5 to L on terminal block CTB2 CTB2 is located in the power panel The unit is shipped with a factory jumper installed be tween terminals 5 to L which must be removed if emer gency shutdown contacts...

Page 12: ...gerant vapor in the liquid line will measurably reduce valve capacity and poor system performance can be expected To allow adequate oil return to the compressor suction risers should be sized for a mi...

Page 13: ...3m MISCELLANEOUS LIQUID LINE PRESSURE SOLENOID VALVE 2 TO 3 PSI 13 8 TO 20 7 kPa FILTER DRIER 2 TO 3 PSI 13 8 TO 20 7 kPa SIGHT GLASS 0 5 PSI 3 4 kPa TABLE 3 REFRIGERANT PIPING CHARGES REFRIGERANTLINE...

Page 14: ...22 1 5 8 5 1 3520 11 3 4 9 1 145 5 2 5 8 1 3 1980 7 8 4 2 2 18 1 5 8 3 5 2880 9 3 4 6 3 5 2 5 8 0 9 1620 7 8 2 9 1 23 1 5 8 5 5 3680 12 3 4 9 9 161 2 1 8 1 4 2070 7 8 4 5 2 23 1 5 8 5 5 3680 12 3 4 9...

Page 15: ...tical liquid line is not included in the tables and must be taken into account when determining pressure drop or gain of the liquid line The nominal value that must be included in the liquid line loss...

Page 16: ...1 77 1 5 8 35 2 17 8 39 3 4 62 7 145 5 2 5 8 9 0 10 1 7 8 28 6 2 63 1 5 8 24 1 14 6 32 3 4 43 4 5 2 5 8 6 2 8 2 7 8 20 0 1 81 1 5 8 38 0 18 7 42 3 4 68 3 161 2 1 8 9 7 10 5 7 8 31 0 2 81 1 5 8 38 0 1...

Page 17: ...t included in the tables and must be taken into account when determining pressure drop or gain of the liquid line The nominal value that must be included in the liquid line loss or gain is 3 4 kPa 30...

Page 18: ...Switch CTB3 To Field Installed Liquid Line Solenoid Valves FIG 2 MULTI POINT POWER SUPPLY WIRING MULTI POINT POWER SUPPLY WIRING 0125 0275 Installation It is possible that multiple sources of power ca...

Page 19: ...CTB3 To Field Installed Liquid Line Solenoid Valves 1 FIG 3 SINGLE POINT POWER SUPPLY WIRING SINGLE POINT POWER SUPPLY WIRING 0045 0275 LD04829 It is possible that multiple sources of power can be su...

Page 20: ...To Field Installed Liquid Line Solenoid Valves Electrical Notes and Legend located on Page 24 FIG 4 OPTIONAL SINGLE POINT POWER WIRING OPTIONAL SINGLE POINT POWER WIRING N F DISC SW OR CIRC BKR 0045...

Page 21: ...L0125 YCUL0275 GROUND NEUTRAL HOT 120VAC POWER SYSTEM RUN STATUS CONTACTS SYS 1 SYSTEM RUN STATUS CONTACTS SYS 2 YCUL0125 YCUL0275 SYS 1 ALARM STATUS CONTACTS REMOTE EMERGENCY CUTOFF EVAP BLOWER START...

Page 22: ...L0125 YCUL0275 GROUND NEUTRAL 120VAC SIGNAL 181 2 GRD GRD 2 281 GROUND NEUTRAL 120VAC SIGNAL LIQUID LINE SOLENOID VALVE 2 SYSTEM 1 LIQUID LINE SOLENOID VALVE 2 SYSTEM 2 YCUL0125 YCUL0275 It is possibl...

Page 23: ...ARGE AIR SENSOR WITH MOUNTING BRACKET RED BLK FIELD SUPPLIED WIRING QUABBIN 930421 2 OR EQUIVALENT 15 4 K RESISTOR MUST BE CONNECTED AS SHOWN 1 CONTROL WIRING 15 14 13 10 9 8 5 4 3 RED SIGNAL BLK 5VDC...

Page 24: ...for all other loads included in the circuit per N E C Article 440 22 5 Circuit breakers must be U L listed and CSA certified and maximum size is based on 225 of the rated load amps for the largest mo...

Page 25: ...es of power can be supplying the unit power panel To prevent serious injury or death the technician should verify that no lethal volt ages are present inside the panel after disconnecting power prior...

Page 26: ...095SC 380 415 50 62 100 70 80 70 80 6 2 24 1 175 24 1 175 2 3 8 0121SC 380 415 50 81 100 90 100 90 100 4 1 22 6 175 22 6 175 22 6 175 2 3 8 0125SC 380 415 50 41 60 45 50 45 50 8 4 14 5 120 14 5 120 2...

Page 27: ...ANGE 41 60 45 50 45 50 8 4 14 5 120 14 5 120 2 3 8 41 60 45 50 45 50 8 4 14 5 120 14 5 120 2 3 8 58 60 70 70 70 70 6 2 22 1 170 22 1 170 2 3 8 58 60 70 70 70 70 6 2 21 8 170 21 8 170 2 3 8 63 100 70 8...

Page 28: ...4 0081SC 380 415 50 57 60 70 70 70 70 6 2 6 2 6 2 0095SC 380 415 50 62 100 70 80 70 80 6 2 6 2 6 2 0121SC 380 415 50 81 100 90 100 90 100 4 1 4 1 4 1 0125SC 380 415 50 77 100 90 90 90 90 4 1 4 1 4 1...

Page 29: ...6 175 2 3 8 14 5 120 14 5 120 2 3 8 14 5 120 14 5 120 2 3 8 22 1 170 22 1 170 2 3 8 14 5 120 14 5 120 2 3 8 22 1 170 22 1 170 2 3 8 22 1 170 22 1 170 2 3 8 25 3 175 25 3 175 2 3 8 21 8 170 21 8 170 2...

Page 30: ...eed to be installed on the system ENGLISH UNITS SUCTION YCUL TEMPERATURE F AIR ON CONDENSER F MIN1 MAX1 MIN2 MAX3 0045SC 35 55 0 125 0061SC 35 55 0 125 0081SC 35 55 0 125 0095SC 35 55 0 125 0121SC 35...

Page 31: ...7 51 7 0185SC 1 7 12 8 17 7 51 7 0211SC 1 7 12 8 17 7 51 7 0235SC 1 7 12 8 17 7 51 7 0255SC 1 7 12 8 17 7 51 7 0275SC 1 7 12 8 17 7 51 7 SI UNITS OPERATIONAL LIMITATIONS NOTES 1 For lower or higher s...

Page 32: ...1140 Number of Blades 3 3 3 3 3 3 Total Condensing Unit CFM 16257 16257 23500 23500 23500 47360 Operating Shipping Weight Aluminum Fin Coils lbs 1740 1750 1886 2017 2171 3205 Copper Fin Coils lbs 1907...

Page 33: ...4 2 1 4 2 1 4 2 1 4 2 1 7 2 1 7 2 1 7 2 1 7 1 140 1140 1140 1140 1140 1140 1140 1140 3 3 3 3 3 3 3 3 47 360 47360 47360 46080 55253 55253 54550 53760 3248 3293 3358 3640 3932 4030 4259 4432 3638 3681...

Page 34: ...ber of Blades 3 3 3 3 3 3 Total Condensing Unit Airflow l s 7672 7672 11091 11091 11091 22351 Operating Shipping Weight Aluminum Fin Coils kg 789 794 856 915 985 1454 Copper Fin Coils kg 865 870 962 1...

Page 35: ...2 1 4 2 1 7 2 1 7 2 1 7 2 1 7 1140 1140 1140 1140 1140 1140 1140 1140 3 3 3 3 3 3 3 3 22351 22351 22351 21747 26076 26076 25744 25371 1473 1494 1523 1651 1783 1828 1932 2010 1650 1670 1699 1959 2023...

Page 36: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 37: ...YORK INTERNATIONAL FORM 150 63 NM2 37 DIMENSIONS YCUL0045SC ENGLISH 1 MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0045SC 421 449 421 449 1740 52 9 29 0 25 7 LD04418...

Page 38: ...rmance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential performance degradation Access to the unit control...

Page 39: ...YORK INTERNATIONAL FORM 150 63 NM2 39 1 DIMENSIONS YCUL0045SC METRIC MODEL WEIGHT DISTRIBUTION kg CENTEROFGRAVITY mm YCUL A B C D TOTAL X Y Z 0045SC 191 204 191 204 789 1343 736 653 LD04444...

Page 40: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 41: ...YORK INTERNATIONAL FORM 150 63 NM2 41 DIMENSIONS YCUL0061SC ENGLISH 1 MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0061SC 424 452 424 452 1750 52 9 29 0 25 6 LD04420...

Page 42: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 43: ...YORK INTERNATIONAL FORM 150 63 NM2 43 1 DIMENSIONS YCUL0061SC METRIC MODEL WEIGHT DISTRIBUTION kg CENTEROFGRAVITY mm YCUL A B C D TOTAL X Y Z 0061SC 192 205 192 205 794 1344 737 651 LD04446...

Page 44: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 45: ...YORK INTERNATIONAL FORM 150 63 NM2 45 1 DIMENSIONS YCUL0081SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0081SC 448 495 448 495 1886 53 6 29 2 32 6 LD04422...

Page 46: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 47: ...YORK INTERNATIONAL FORM 150 63 NM2 47 1 DIMENSIONS YCUL0081SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0081SC 203 225 203 225 856 1361 743 827 LD04448...

Page 48: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 49: ...YORK INTERNATIONAL FORM 150 63 NM2 49 DIMENSIONS YCUL0095SC ENGLISH 1 MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0095SC 438 571 438 571 2017 53 8 29 3 33 3 LD04424...

Page 50: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 51: ...YORK INTERNATIONAL FORM 150 63 NM2 51 1 DIMENSIONS YCUL0095SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0095SC 199 259 199 259 915 1367 744 845 LD04450...

Page 52: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 53: ...YORK INTERNATIONAL FORM 150 63 NM2 53 1 DIMENSIONS YCUL0121SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0121SC 508 577 508 577 2171 51 4 30 2 32 2 LD04426...

Page 54: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 55: ...YORK INTERNATIONAL FORM 150 63 NM2 55 1 DIMENSIONS YCUL0121SC METRIC LD04452 MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0121SC 231 262 231 262 985 1306 766 817...

Page 56: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 57: ...YORK INTERNATIONAL FORM 150 63 NM2 57 1 DIMENSIONS YCUL0125SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0125SC 787 816 787 816 3205 60 4 40 3 34 2 LD04428...

Page 58: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 59: ...YORK INTERNATIONAL FORM 150 63 NM2 59 1 DIMENSIONS YCUL0125SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0125SC 357 370 357 370 1454 1534 1022 867 LD04454...

Page 60: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 61: ...YORK INTERNATIONAL FORM 150 63 NM2 61 1 DIMENSIONS YCUL0145SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0145SC 796 828 796 828 3248 60 5 40 6 33 9 LD04428...

Page 62: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 63: ...YORK INTERNATIONAL FORM 150 63 NM2 63 1 DIMENSIONS YCUL0145SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0125SC 361 376 361 376 1473 1537 1031 861 LD04454...

Page 64: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 65: ...YORK INTERNATIONAL FORM 150 63 NM2 65 1 DIMENSIONS YCUL0161SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0161SC 806 841 806 841 3293 60 6 40 3 33 7 LD04430...

Page 66: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 67: ...YORK INTERNATIONAL FORM 150 63 NM2 67 1 DIMENSIONS YCUL0161SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0161SC 366 381 366 381 1494 1538 1022 856 LD04456...

Page 68: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 69: ...YORK INTERNATIONAL FORM 150 63 NM2 69 1 DIMENSIONS YCUL0171SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0171SC 820 859 820 859 3358 60 7 40 5 33 4 LD04432...

Page 70: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 71: ...YORK INTERNATIONAL FORM 150 63 NM2 71 1 DIMENSIONS YCUL0171SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0171SC 372 390 372 390 1523 1541 1030 849 LD04458...

Page 72: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 73: ...YORK INTERNATIONAL FORM 150 63 NM2 73 1 DIMENSIONS YCUL0185SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0185SC 882 938 882 938 3640 61 0 40 3 35 1 LD04434...

Page 74: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 75: ...YORK INTERNATIONAL FORM 150 63 NM2 75 1 DIMENSIONS YCUL0185SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0185SC 400 425 400 425 1651 1550 1022 891 LD04460...

Page 76: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 77: ...YORK INTERNATIONAL FORM 150 63 NM2 77 1 DIMENSIONS YCUL0211SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0211SC 1021 945 1021 945 3932 57 6 46 2 35 8 LD04436...

Page 78: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 79: ...YORK INTERNATIONAL FORM 150 63 NM2 79 1 DIMENSIONS YCUL0211SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0211SC 463 429 463 429 1783 1462 1172 908 LD04462...

Page 80: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 81: ...YORK INTERNATIONAL FORM 150 63 NM2 81 1 DIMENSIONS YCUL0235SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0235SC 1045 969 1045 969 4030 57 6 45 7 35 7 LD04438...

Page 82: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 83: ...YORK INTERNATIONAL FORM 150 63 NM2 83 1 DIMENSIONS YCUL0235SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0235SC 474 440 474 440 1828 1463 1161 908 LD04464...

Page 84: ...able airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential...

Page 85: ...YORK INTERNATIONAL FORM 150 63 NM2 85 1 DIMENSIONS YCUL0255SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0255SC 1099 1030 1099 1030 4259 57 9 46 1 36 7 LD04440...

Page 86: ...le airflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential p...

Page 87: ...YORK INTERNATIONAL FORM 150 63 NM2 87 1 DIMENSIONS YCUL0255SC METRIC MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0255SC 499 467 499 467 1932 1469 1171 931 LD04466...

Page 88: ...rflow patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential perfor...

Page 89: ...YORK INTERNATIONAL FORM 150 63 NM2 89 DIMENSIONS YCUL0275SC ENGLISH MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0275SC 1142 1074 1142 1074 4432 57 9 45 7 36 5 LD04442...

Page 90: ...low patterns and possible diminished performance YORK s unit controls will optimize operation without nuisance high pressure safety cutouts however the system designer must consider potential performa...

Page 91: ...YORK INTERNATIONAL FORM 150 63 NM2 91 DIMENSIONS YCUL0275SC METRIC LD04468 MODEL WEIGHTDISTRIBUTION CENTEROFGRAVITY YCUL A B C D TOTAL X Y Z 0275SC 518 487 518 487 2010 1471 1160 928...

Page 92: ...___ CHECKINGTHE SYSTEM PRIORTO INITIAL START No Power Unit Checks G 1 Inspect the unit for shipping or installation damage G 2 Assure that all piping has been completed G 3 Visually check for refriger...

Page 93: ...at design conditions G 1 Record the liquid line pressure and its correspond ing temperature liquid line temperature and subcooling below SYS 1 SYS 2 Liq Line Press _______ _______ PSIG SaturatedTemp...

Page 94: ...converted to Temp 34 F Superheat 12 F When adjusting the expansion valve the adjusting screw should be turned not more than one turn at a time allow ing sufficient time approximately 15 minutes betwee...

Page 95: ...er all sys tems shut down UNIT OPERATING SEQUENCE 2 4 Several seconds after the compressor starts that system s first condenser fan will be cycled on out door air temperature 25 F 3 89 C See the sec t...

Page 96: ...puts such as pres sure transducers and temperature sensors are connected directly to the Microprocessor Board The Microproces sor Board circuitry multiplexes the analog inputs digi 00065VIP tizes them...

Page 97: ...ters such as system pressures temperatures compressor running times and starts option information on the unit and system setpoints This data is useful for monitoring unit operation diag nosing potenti...

Page 98: ...D S Y S 2 N O C O O L L O A D S Y S 1 S Y S S W I T C H O F F S Y S 2 S Y S S W I T C H O F F S Y S 1 A R T I M E R X X S S Y S 2 A R T I M E R X X S S Y S 1 C O M P S R U N X S Y S 2 C O M P S R U N...

Page 99: ...E T H E R M O F F 3 The suction pressure limit is a control point that limits the loading of a system when the suction pressure drops to within 15 above the suction pressure cutout On a standard syste...

Page 100: ...to resets The mechanical HP switch opens at 405 PSIG 10 psig 27 92 barg 69 barg and closes at 330 PSIG 25 PSIG 22 75 barg 1 72 barg SYSTEM SAFETIES System safeties are faults that cause individual sys...

Page 101: ...a unit safety and will not be logged to the history buffer It is a unit warning and will not auto restart Operator intervention is required to allow a restart of the chiller The Low Battery Warning c...

Page 102: ...f System X AC Timer System X Disch Limiting System X Suct Limiting System X Load Limiting Manual Overide Status System X Pumping Down System X High Disch Pressure System X Low Suct Pressure System X M...

Page 103: ...discharge air temperature leav ing the evaporator This display will only be shown when the Control Mode is programmed for Discharge Air un der the Options key The minimum limit on the display for thes...

Page 104: ...IG 27 58 BARG This message shows the suction line temperature of the respective refrigerant system The minimum limit on the display for these parameters is 9 2 F 12 7 C The maximum limit on the displa...

Page 105: ...this is not accumulated run time but pertains only to the current system cycle The third message indicates the system and whether the liquid line solenoid and hot gas solenoid are being commanded on...

Page 106: ...Ambient Air Temperature System 1 Suction and Discharge Pressure System 1 Suction Temperature System 2 Suction and Discharge Pressure System 2 Suction Temperature System X Accumulated Run Times System...

Page 107: ...CONDENSER FAN STAGES OFF SYSTEM 2 DATA COMPRESSORS STATUS 2 RUN TIME 0 0 1 46 D H M S SUCTION PRESSURE 51 PSIG DISCHARGE PRESSURE 157 PSIG SUCTION TEMPERATURE 44 3 DEGF LIQUID LINE SOLENOID ON CONDEN...

Page 108: ...d the safety threshold to be exceeded The history printout is similar to the operational data printout shown in the previous section The differences are in the header and the schedule information The...

Page 109: ...I T F A U L T L O W S U C T P R E S S S Y S X F A N S T A G E X X X A C T I V E R E M O T E C T R L X X X X S Y S X S P X X X X P S I G D P X X X X P S I G S Y S X R U N T I M E X X X X X X X X D H M...

Page 110: ...re also used for pro gramming the control panel such as changing cooling setpoints setting the daily schedule changing safety setpoints unit options and setting the clock ENTRY KEYS 00068VIP Unit Cont...

Page 111: ...ng are the four possible messages that can be displayed after pressing the COOLING SETPOINT key indicating the cooling mode This message indicates that the cooling setpoint is un der LOCAL control Tha...

Page 112: ...5 5 0 F R A N G E 5 0 F S Y S X S P 7 0 P S I G R A N G E 3 P S I G R E M O T E S U C T I O N P R E S S U R E C O N T R O L Unit Controls On two system units YCUL0125 YCUL0275 each system is controlle...

Page 113: ...R T 0 0 0 0 A M S T O P 0 0 0 0 A M TABLE 13 COOLING SETPOINTS PROGRAMMABLE LIMITS AND DEFAULTS SETPOINTVALUE LOW LIMIT HIGHLIMIT DEFAULT Discharge Air Temp Setpoint 45 0 F 70 0 F 44 0 F 7 2 C 21 1 C...

Page 114: ...I G FA N D I F F E R E N T I A L O F F P R E S S U R E X X X P S I G PROGRAM KEY There are six operating parameters under the PROGRAM key that are programmable These setpoints can be changed by press...

Page 115: ...MITS AND DEFAULTS PROGRAMVALUE MODE LOW LIMIT HIGHLIMIT DEFAULT Discharge Pressure Cutout 200 PSIG 399 PSIG 395 PSIG 13 8 Bars 27 5 Bars 27 2 Bars Suction Pressure Cutout 44 0 PSIG 70 0 PSIG 44 0 PSIG...

Page 116: ...dvance Day Key press enter to adv Monday Sunday Discharge Control Mode Pressure Display Only Holiday Cutout Schedule Suction Setpoint Pressure Cutout Range Remote Setpoint Low Ambient Temp Cutout Rang...

Page 117: ...Following are the displays in the order they appear Option 1 Language This indicates that the display will be viewed in English Option 2 System Switches two system units only This allows both systems...

Page 118: ...rol can be used only to monitor The micropanel will operate on locally programmed values and ignore all commands from the remote devices The chiller will communicate and send data to the remote monito...

Page 119: ...mode the micro determines which system is as signed to the lead and lag A new lead lag assignment is made whenever all compressors shut down The mi cro will then assign the lead to the compressor with...

Page 120: ...s key to adv Display Language System Switches on off Unit Type chiller or condensing unit Ambient Control standard or low ambient Local or Remote Mode Unit Control Mode based on unit type Display Unit...

Page 121: ...arge Air Temperature Control is the temperature the condensing unit will control to within the control range The Setpoint High Limit is the Setpoint plus the Cooling Range The Setpoint Low Limit is th...

Page 122: ...6 ON ON OFF ON ON OFF 7 ON ON ON ON ON OFF 8 ON ON ON ON ON ON TABLE 18 DISCHARGE AIR TEMPERATURE CONTROL FOR 4 COMPRESSORS 6 STEPS LEADSYSTEM LAGSYSTEM STEP COMP 1 COMP 2 COMP 1 COMP 2 0 OFF OFF OFF...

Page 123: ...s below the Setpoint High Limit and greater than the Setpoint Low Limit loading and unloading do not occur This area of control is called the control range If the suction pressure falls below the Setp...

Page 124: ...essure Only The condenser fan control by Ambient Temperature and Discharge Pressure is a feature that is integral to the standard software control If the optional discharge transducer is not installed...

Page 125: ...ssure diff_press are programmable un der the PROGRAM key TABLE 23 LOW AMBIENT CONDENSER FAN CONTROL AMBIENT TEMPERATURE AND DISCHARGE PRESSURE CONTROL FANSTAGE ON OFF FANS Stage 1 OAT 25 F 3 9 C OAT 2...

Page 126: ...first stage of limiting is ei ther 66 or 50 depending on the number of compres sors on the unit The second stage of limiting is 33 and is only available on 3 and 6 compressor units Table 25 shows the...

Page 127: ...the microboard This PWM input would typically be sup plied by an Energy Management System A contact closure on the PWM Temp Reset input at CTB 1 terminals 13 20 will reset the Discharged Air Temperat...

Page 128: ...to terminals C and D and only jumper JUI must be in place on the reset board This input is used when a single reset value is needed When the contacts are closed the remote temperature reset board will...

Page 129: ...y at this display will cause the history buffers to be cleared Pressing any other key will cancel the operation SOFTWARE VERSION The software version may be viewed by pressing the HIS TORY key and the...

Page 130: ...llustrates the physical connections on the microboard Service Mode Inputs After entering the Service Mode all digital and analog inputs to the microboard can be viewed by pressing the OPER DATA key Af...

Page 131: ...BOARD OUTPUTS TB3 2 SYSTEM 1 COMPRESSOR 1 TB3 3 SYS 1 LIQUID LINE SOLENOID VALVE TB3 4 SYSTEM 1 COMPRESSOR 2 TB3 5 SYSTEM 1 COMPRESSOR 3 TB3 6 SYSTEM 1 HOT GAS BYPASS VALVE TB3 8 SYSTEM 2 COMPRESSOR 1...

Page 132: ...YORK INTERNATIONAL 132 FIG 13 MICROBOARD LAYOUT J4 J8 J6 J5 J7 J9 TB3 TB4 TB5 00071VIP TB1 TB2 Control Service and Troubleshooting CLOCK ON OFF JUMPER RTCCHIP EPROM...

Page 133: ...measuring binary input voltages ANALOG INPUTS TEMPERATURE Refer to the unit wiring diagram Temperature inputs are connected to the microboard on plug J6 These analog inputs represent varying dc signa...

Page 134: ...0 12 56 3 61 5096 13 58 3 67 4837 14 60 3 72 4593 16 62 3 76 4363 17 64 3 81 4145 18 66 3 86 3941 19 68 3 90 3747 20 70 3 94 3564 21 72 3 98 3392 22 74 4 02 3228 23 76 4 06 3074 24 78 4 10 2928 26 80...

Page 135: ...37 14721 8 20 2 45 13872 7 22 2 52 13077 6 24 2 59 12333 4 26 2 67 11636 3 28 2 74 10982 2 30 2 81 10370 1 32 2 88 9795 0 34 2 95 9256 1 36 3 02 8750 2 38 3 08 8276 3 40 3 15 7830 4 42 3 21 7411 6 44...

Page 136: ...ers have a range from 0 to 400 psig The output will be linear from 5 VDC to 4 5 VDC over the 400 PSIG 27 5 BARG range Table 32 shows the formula that can be used to verify the voltage output of the tr...

Page 137: ...B4 7 Figure 14 illustrates the relay contact architecture on the microboard KEYPAD The operator keypad is connected to the microboard by a ribbon cable which is connected to J2 on the microboard The i...

Page 138: ...number for the printer that is packaged specifi cally for YORK is P N 950915576 The cable to connect the printer can either be locally assembled from the parts listed or ordered directly from WEIGH T...

Page 139: ...oboard 5 Replace Microboard or Display board NOTE ContactYORK Service before Replacing circuit Boards FLOW SWITCH REM 1 No air flow 1 Check air flow STOP NO RUN PERMISSIVE 2 Air flow switch improperly...

Page 140: ...e section for pressure voltage formula 7 LLSV defective 7 Replace LLSV HIGH DISCHARGE 1 Condenser fans not operating 1 Check fan motor fuses PRESSURE FAULT or operating backwards and contactors Assure...

Page 141: ...m Consult START Installation Manual to aid in understanding compres sor operation and capacity control 2 Defective discharge air temp 2 Compare the display with a sensor thermometer Should be within 2...

Page 142: ...of the equipment owner to provide maintenance on the system IMPORTANT If system failure occurs due to improper maintenance during the warranty period YORK will not be liable for costs incurred to retu...

Page 143: ...ero will be sent Tables 37 38 show the data values and page listings for this unit ISN CONTROL TABLE 36 ISN RECEIVED DATA TABLE 37 ISN TRANSMITTED DATA ISNPAGE CONTROLDATA P03 SETPOINT P04 LOAD LIMIT...

Page 144: ...LOCAL 1 REMOTE P53 DIGITAL UNITS 0 IMPERIAL 1 SI P54 DIGITAL LEAD LAG CONTROL MODE 0 MANUAL 1 AUTO P55 DIGITAL P56 CODED SYS 1 OPERATIONAL CODE P57 CODED SYS 1 FAULT CODE P58 CODED SYS 2 OPERATIONAL C...

Page 145: ...SURE 8 NO RUN PERMISSIVE 8 HIGH MOTOR CURRENT 9 NO COOL LOAD 9 LLSV NOT ON 10 ANTI COINCIDENCE TIMER ACTIVE 10 LOW BATTERY WARNING 11 ANTI RECYCLE TIMER ACTIVE 11 HIGH OIL TEMPERATURE 12 MANUAL OVERRI...

Page 146: ...YORK INTERNATIONAL 146 ELEMENTARY DIAGRAM YCUL0045 0095 FIG 16 ELEMENTARY DIAGRAM Elementary Diagrams...

Page 147: ...YORK INTERNATIONAL FORM 150 63 NM2 147 FIG 16 ELEMENTARY DIAGRAM CONT D LD04355 ELEMENTARY DIAGRAM YCUL0045 0095 5...

Page 148: ...YORK INTERNATIONAL 148 FIG 16 ELEMENTARY DIAGRAM LD04556 ELEMENTARY DIAGRAM YCUL0045 0095 Elementary Diagrams...

Page 149: ...YORK INTERNATIONAL FORM 150 63 NM2 149 This page is intentionally left blank 5...

Page 150: ...YORK INTERNATIONAL 150 FIG 17 ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCUL0121 Elementary Diagrams...

Page 151: ...YORK INTERNATIONAL FORM 150 63 NM2 151 FIG 17 ELEMENTARY DIAGRAM CONT D LD04356 ELEMENTARY DIAGRAM YCUL0121 5...

Page 152: ...YORK INTERNATIONAL 152 FIG 17 ELEMENTARY DIAGRAM LD04557 ELEMENTARY DIAGRAM YCUL0121 Elementary Diagrams...

Page 153: ...YORK INTERNATIONAL FORM 150 63 NM2 153 This page is intentionally left blank 5...

Page 154: ...YORK INTERNATIONAL 154 FIG 18 ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCUL0125 0185 Elementary Diagrams...

Page 155: ...YORK INTERNATIONAL FORM 150 63 NM2 155 FIG 18 ELEMENTARY DIAGRAM CONT D LD04357 ELEMENTARY DIAGRAM YCUL0125 0185 5...

Page 156: ...YORK INTERNATIONAL 156 FIG 18 ELEMENTARY DIAGRAM LD04558 ELEMENTARY DIAGRAM YCUL0125 0185 Elementary Diagrams...

Page 157: ...YORK INTERNATIONAL FORM 150 63 NM2 157 This page is intentionally left blank 5...

Page 158: ...YORK INTERNATIONAL 158 FIG 19 ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCUL0211 0275 Elementary Diagrams...

Page 159: ...YORK INTERNATIONAL FORM 150 63 NM2 159 FIG 19 ELEMENTARY DIAGRAM CONT D LD04358 ELEMENTARY DIAGRAM YCUL0211 0275 5...

Page 160: ...YORK INTERNATIONAL 160 LD04559 FIG 19 ELEMENTARY DIAGRAM ELEMENTARY DIAGRAM YCUL0211 0275 Elementary Diagrams...

Page 161: ...YORK INTERNATIONAL FORM 150 63 NM2 161 This page is intentionally left blank 5...

Page 162: ...35SC AEQM 1000 AEQM 1000 AEQM 1000 AEQM 1000 0255SC AEQM 1000 AEQM 1000 AEQM 1000 AEQM 1000 0275SC AEQM 1000 AEQM 1000 AEQM 1000 AEQM 1000 SEISMIC Model YCUL A B C D 0045SC CP 1 26 CP 1 26 CP 1 26 CP...

Page 163: ...C CP 2 26 CP 2 26 CP 2 26 CP 2 26 0255SC CP 2 27 CP 2 27 CP 2 27 CP 2 27 0275SC CP 2 27 CP 2 27 CP 2 27 CP 2 27 Model YCUL A B C D 0045SC AEQM 96 AEQM 96 AEQM 96 AEQM 96 0061SC AEQM 96 AEQM 96 AEQM 96...

Page 164: ...08439 26 PURPLE AEQM 95 30155 95 RED CP 1 27 308439 27 ORANGE AEQM 96 301055 96 BLACK CP 1 28 308439 28 GREEN AEQM 97 301055 97 WHITE CP 1 31 308439 31 GRAY AEQM 98 301055 98 GRAY CP 2 26 308439 26 PU...

Page 165: ...SEISMIC ISOLATORS APPENDIX 1 DIMENSIONS DIMENSIONS IN INCHES MODEL A B C D E F G H J AEQM 97 7 5 4 2 A 7 A AEQM 98 7 5 4 2 A 7 A AEQM 99 7 5 4 2 A 7 A AEQM 1000 8 6 6 4 8 B AEQM 1300 8 6 6 4 8 B AEQM...

Page 166: ...If required bolt mountings to floor through slots 4 Set the machine or base on the mountings The weight of the machine will cause the upper housing of the mount to go down possibly resting on the lowe...

Page 167: ...e equip ment or equipment base mounting holes Shim and or grout as required to level all isolator base plates A A 1 4 maximum difference in elevation can be tolerated 4 Anchor all isolators to floor o...

Page 168: ...ational Corp 908 225 0606 NEVADA Las Vegas YORK International Corp 702 873 2200 NEWYORK Buffalo YORK International Corp 716 633 2172 New York YORK International Corp 212 843 1602 NORTH CAROLINA Charlo...

Page 169: ...NOTES...

Page 170: ......

Page 171: ......

Page 172: ...S Olympic Team 36USC380 P O Box 1592 York Pennsylvania USA 17405 1592 Subject to change without notice Printed in USA Copyright by York International Corporation 1999 ALL RIGHTS RESERVED Form 150 63...

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