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Manual York YCAL0014SC

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  • York YCAL0014SC - page 1

    YCAL0014SC - YCAL0080SC Standard, Glycol & Metric Models, Combined 200-3-60 230-3-60 380-3-60 460-3-60 575-3-60 MODELS ONL Y 29224(R)A INST ALLA TION, OPERA TION, MAINT . MILLENNIUM ® AIR-COOLED LIQUID CHILLERS HERMETIC SCROLL Supersedes: 150.62-NM1 (899) Form 150.62-NM1 (700) ...

  • York YCAL0014SC - page 2

    YORK INTERNA TIONAL 2 GENERAL SAFETY GUIDELINES This equipment is a relatively complicated apparatus. During installation, opera- tion, maintenance or service, individuals may be exposed to certain components or conditions including, but not limited to: refrigerants, oils, materials under pressure, rotating components, and both high and low voltage ...

  • York YCAL0014SC - page 3

    YORK INTERNA TIONAL 3 FORM 150.62-NM1 CAUTION identifies a hazard which could lead to damage to the machine, damage to other equipment and/or environmental pollution. Usually an instruction will be given, together with a brief explanation. NOTE is used to highlight additional information which may be helpful to you. CHANGEABILITY OF THIS DOCUMENT I ...

  • York YCAL0014SC - page 4

    YORK INTERNA TIONAL 4 T ABLE OF CONTENTS AND T ABLES P AGE PRODUCT IDENTIFICA TION NUMBER .......................................................... 7 REFRIGERANT FLOW DIAGRAM ................................................................... 9 SECTION 1 INST ALLA TION .......................................................................... 10 E ...

  • York YCAL0014SC - page 5

    YORK INTERNA TIONAL 5 FORM 150.62-NM1 T ABLES AND FIGURES P AGE T ABLES 13 COOLER PRESSURE DROPS (METRIC) ............................................. 33 14 ETHYLENE GL YCOL CORRECTION F ACTORS .................................. 33 15 PHYSICAL DA T A (ENGLISH) ........................................................ 34 – 35 16 PHYSICAL DA T A (M ...

  • York YCAL0014SC - page 6

    YORK INTERNA TIONAL 6 T ABLES/FIGURES P AGE T ABLES 48 ENTERING & LEA VING CHILLED LIQUID TEMPERA TURE SENSOR VALUES ............................................................................ 100 49 KEYP AD PIN ASSIGNMENT MA TRIX ................................................. 103 50 TROUBLESHOOTING CHARTS .................................. ...

  • York YCAL0014SC - page 7

    YORK INTERNA TIONAL 7 FORM 150.62-NM1 PRODUCT IDENTIFICA TION NUMBER (PIN) YCAL 0080 SC 46 xAA BASIC MODEL NUMBER : Standard Unit : Design Series A : Engineering Change or PIN Level : R-22 : 200 / 3/ 60 : 230 / 3 / 60 : 380 / 3 / 60 : 460 / 3 / 60 : 380-415 / 3 / 50 : 575 / 3 / 60 : Across the Line 1 2 3 4 5 6 7 8 9 10 1 1 12 13 14 15 BASE PRODUCT ...

  • York YCAL0014SC - page 8

    YORK INTERNA TIONAL 8 PRODUCT IDENTIFICA TION NUMBER (PIN) EXAMPLES: 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 XXXXXXXX LXXXXXXXXXXXXXXXXXAXXXXXXXXXXXXX SDTC A TSRL XPR S 2 5 C X 1 XXXX3 D W SARXBXX4 BXX L XSD OPTIONS MODEL NUMBER MP = Multiple Point SP = Single Point NF ...

  • York YCAL0014SC - page 9

    YORK INTERNA TIONAL 9 FORM 150.62-NM1 2 OR 3 COMPRESSORS PER SYSTEM OIL EQU ALIZING LINE AIR COOLED CONDENSERS DX COOLER LEA VING CHILLED WA TER ENTERING CHILLED W A TER SER VICE V AL VE OPTIONAL DISCHARGE PRESSURE TRANSDUCER HIGH PRESSURE CUTOUT SWITCH SER VICE VA LV E LOW PRESSURE SWITCH OR SUCTION PRESSURE TRANSDUCER LEA VING CHILLED W A TER TEM ...

  • York YCAL0014SC - page 10

    YORK INTERNA TIONAL 10 29224(RIG)A T o ensure warranty coverage, this equipment must be commissioned and serviced by an authorized YORK ser- vice mechanic or a qualified service person experienced in chiller instal- lation. Installation must comply with all applicable codes, particularly in regard to electrical wiring and other safety elements such ...

  • York YCAL0014SC - page 11

    YORK INTERNA TIONAL 11 FORM 150.62-NM1 FOUNDA TION The unit should be mounted on a flat and level founda- tion, floor , or rooftop capable of supporting the entire operating weight of the equipment. See PHYSICAL DA T A for operating weight. If the unit is elevated be- yond the normal reach of service personnel, a suitable catwalk must be capable of ...

  • York YCAL0014SC - page 12

    YORK INTERNA TIONAL 12 Hand stop valves should be installed in all lines to facili- tate servicing. Piping to the inlet and outlet connections of the chiller should include high-pressure rubber hose or piping loops to insure against transmission of water pump vibration. The necessary components must be obtained in the field. Drain connections shoul ...

  • York YCAL0014SC - page 13

    YORK INTERNA TIONAL 13 FORM 150.62-NM1 EV APORA TOR PUMP ST ART CONT ACTS T erminal block CTB2 - terminals 23 to 24, are normally open contacts that can be used to switch field supplied power to provide a start signal to the evaporator pump contactor . The contacts will be closed when any of the following conditions occur: 1. Low Leaving Chilled Li ...

  • York YCAL0014SC - page 14

    YORK INTERNA TIONAL 14 Control Panel *Circuit # 2 Circuit # 1 See electrical note 9 Power Panel Field 120-1-60 Micropanel Power Supply if control transformer not supplied Micropanel Field Unit Power Supply GRD 1L1 1L2 1L3 2L1 2L2 2L3 GRD 2 L CTB2 13 14 CTB1 Flow Switch FIG. 2 – MUL TI POINT POWER SUPPL Y WIRING ST ANDARD POWER SUPPL Y WIRING – ...

  • York YCAL0014SC - page 15

    YORK INTERNA TIONAL 15 FORM 150.62-NM1 Control Panel Power Panel Micropanel Field Unit Power Supply Field 120-1-60 Micropanel Power Supply if control transformer not supplied See electrical note 9 1L1 1L2 1L3 GRD 13 14 CTB1 2 L CTB2 Flow Switch Electrical Notes and Legend located on Page 18 and 19. FIG. 3 – OPTIONAL SINGLE POINT POWER SUPPL Y WIR ...

  • York YCAL0014SC - page 16

    YORK INTERNA TIONAL 16 Control Panel See electrical note 9 Power Panel Micropanel Field Unit Power Supply 1L1 1L2 1L3 N-F Disconnect Sw. OR Molded Case Circuit Bkr. Field 120-1-60 Micropanel Power Supply if control transformer not supplied GRD CTB2 2 L 13 14 CTB1 Flow Switch Electrical Notes and Legend located on Page 18 and 19. FIG. 4 – OPTIONAL ...

  • York YCAL0014SC - page 17

    YORK INTERNA TIONAL 17 FORM 150.62-NM1 CTB1 21 13 20 13 14 13 FLO W SW REMO TE ST AR T/ST OP PWM INPUT LOAD LIMIT INPUT FIG. 5 – CONTROL WIRING CONTROL WIRING * * F actory wired with optional transformer . LD0361 1 LD03819 IT IS POSSIBLE THA T MULTIPLE SOURCES OF POWER CAN BE SUPPL YING THE UNIT POWER P ANEL. TO PREVENT SERIOUS INJURY OR DEA TH, ...

  • York YCAL0014SC - page 18

    YORK INTERNA TIONAL 18 NOTES: 1. Minimum Circuit Ampacity (MCA) is based on 125% of the rated load amps for the largest motor plus 100% of the rated load amps for all other loads included in the circuit, per N.E.C. Article 430-24. If the Factory Mounted Control T ransformer is provided, add the following to the system MCA values in the electrical t ...

  • York YCAL0014SC - page 19

    YORK INTERNA TIONAL 19 FORM 150.62-NM1 VOL T AGE CODE -17 = 200-3-60 -28 = 230-3-60 -40 = 380-3-60 -46 = 460-3-60 -58 = 575-3-60 ELECTRICAL NOTES LEGEND ACR-LINE ACROSS THE LINE ST ART C.B. CIRCUIT BREAKER D.E. DUAL ELEMENT FUSE DISC SW DISCONNECT SWITCH F ACT MOUNT CB F ACTOR Y MOUNTED CIRCUIT BREAKER FLA FULL LOAD AMPS HZ HERTZ MAX MAXIMUM MCA MI ...

  • York YCAL0014SC - page 20

    YORK INTERNA TIONAL 20 T ABLE 1 – MICROP ANEL POWER SUPPL Y OVER CURRENT PROTECTION, UNIT VOLTAGE UNIT VOLTAGE CONTROL POWER MCA SEE NOTE B NF DISC Sw NOTE A MIN MAX MODELS w/o CONTROL TRANS 1 15-1-60/50 15A 10A 15A 30 A / 240V -17 200-1-60 15A 10A 15A 30 A / 240V -28 230-1-60 15A 10A 15A 30 A / 240V MODELS w/ -40 380-1-60 15A 10A 15A 30 A / 480V ...

  • York YCAL0014SC - page 21

    YORK INTERNA TIONAL 21 FORM 150.62-NM1 ELECTRICAL DA T A – ST ANDARD SINGLE POINT POWER YCAL0014SC - YCAL0034SC T ABLE 2 – ST ANDARD SINGLE POINT POWER SINGLE POINT FIELD SUPPLIED WIRING SYSTEM #1 COMPRESSOR & FAN MODEL INCOMING YCAL VOLT HZ MCA 1 MIN N/F D.E. FUSE CKT. BKR. 5 WIRE COMPR. #1 COMPR. #2 COMPR. #3 FANS DISC SW 2 MIN 3 MAX 4 MI ...

  • York YCAL0014SC - page 22

    YORK INTERNA TIONAL 22 ELECTRICAL DA T A – ST ANDARD DUAL POINT POWER YCAL0040SC - YCAL0080SC See notes and legend on pages 18 and 19. SYSTEM #1 FIELD SUPPLIED WIRING SYSTEM #1 COMPRESSOR & FAN MODEL INCOMING YCAL VOLT HZ M CA 1 MIN N/F D.E. FUSE CKT. BKR. 5 WIRE COMPR. #1 COMPR. #2 COMPR. #3 FANS DISC SW 2 MIN 3 MAX 4 MIN MAX RANGE 6 RLA LRA ...

  • York YCAL0014SC - page 23

    YORK INTERNA TIONAL 23 FORM 150.62-NM1 SYSTEM #2 FIELD SUPPLIED WIRING SYSTEM #2 COMPRESSOR & FAN MCA 1 MIN N/F D.E. FUSE CKT. BRK. 5 INCOMING COMPR. #1 COMPR. #2 COMPR. #3 FANS DISC SW 2 MIN 3 MAX 4 MIN MAX WIRE RLA LRA RLA LRA RLA LRA QT Y FLA (EA) RANGE 6 91 10 0 100 1 10 100 1 10 # 2 - 1/0 32.9 265 32.9 265 — — 2 8.2 85 10 0 100 1 10 10 ...

  • York YCAL0014SC - page 24

    YORK INTERNA TIONAL 24 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0014SC - YCAL0034SC T ABLE 4 – OPTIONAL SINGLE POINT POWER SINGLE POINT FIELD SUPPLIED WIRING MODEL INCOMING WIRE RANGE 6 YCAL VOLT HZ MCA 1 MIN N/F D.E. FUSE CKT. BKR. 5 FACTORY SUPPLIED OPTIONAL DISC SW 2 MIN 3 MAX 4 MIN MAX DISCONNECT BREAKER 0014SC 200 60 75 100 90 1 ...

  • York YCAL0014SC - page 25

    YORK INTERNA TIONAL 25 FORM 150.62-NM1 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0014SC - YCAL0034SC SYSTEM #1 COMPRESSOR & FAN COMPR. #1 COMPR. #2 COMPR. #3 FANS RLA LRA RLA LRA RLA LRA QTY FLA (EA) 26.0 195 26.0 195 —— 2 8.2 24.1 195 24.1 195 — — 2 7.8 14.0 1 13 14.0 1 13 — — 2 4.8 1 1.5 98 1 1.5 98 — — 2 3.8 9.2 8 ...

  • York YCAL0014SC - page 26

    YORK INTERNA TIONAL 26 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0040SC - YCAL0060SC T ABLE 5 – OPTIONAL SINGLE POINT POWER See notes and legend on pages 18 and 19. SINGLE POINT FIELD SUPPLIED WIRING MODEL INCOMING WIRE RANGE 6 YCAL VOLT HZ MCA 1 MIN N/F D.E. FUSE CKT. BKR. 5 FACTORY SUPPLIED OPTIONAL DISC SW 2 MIN 3 MAX 4 MIN MAX SIN ...

  • York YCAL0014SC - page 27

    YORK INTERNA TIONAL 27 FORM 150.62-NM1 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0040SC - YCAL0060SC SYSTEM #1 COMPRESSOR & FAN SYSTEM #2 COMPRESSOR & FAN COMPR. #1 COMPR. #2 COMPR. #3 FANS COMPR. #1 COMPR. #2 COMPR. #3 FANS RLA LRA RLA LRA RLA LRA QTY FLA (EA) RLA LRA RLA LRA RLA LRA QT Y FLA (EA) 32.9 265 32.9 265 —— 2 8.2 ...

  • York YCAL0014SC - page 28

    YORK INTERNA TIONAL 28 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0064SC - YCAL0080SC Installation T ABLE 6 – OPTIONAL SINGLE POINT POWER SINGLE POINT FIELD SUPPLIED WIRING MODEL INCOMING WIRE RANGE 6 YCAL VOLT HZ MCA 1 MIN N/F D.E. FUSE CKT. BKR. 5 FACTORY SUPPLIED OPTIONAL DISC SW 2 MIN 3 MAX 4 MIN MAX SINGLE POINT DISCONNECT BREAKER ...

  • York YCAL0014SC - page 29

    YORK INTERNA TIONAL 29 FORM 150.62-NM1 ELECTRICAL DA T A – OPTIONAL SINGLE POINT POWER YCAL0064SC - YCAL0080SC 1 SYSTEM #1 COMPRESSOR & FAN SYSTEM #2 COMPRESSOR & FAN COMPR. #1 COMPR. #2 COMPR. #3 FANS COMPR. #1 COMPR. #2 COMPR. #3 FANS RLA LRA RLA LRA RLA LRA QTY FLA (EA) RLA LRA RLA LRA RLA LRA QTY FLA (EA) 52.4 298 52.4 298 52.4 298 2 ...

  • York YCAL0014SC - page 30

    YORK INTERNA TIONAL 30 OPERA TIONAL LIMIT A TIONS (ENGLISH) YCAL00 LEA VING W A TER COOLER FLOW (GPM 3 ) AIR ON CONDENSER ( ° F) TEMPERA TURE ( ° F ) MIN 1 MAX 2 MIN MAX MIN 4 MAX 5 14SC 40 55 30 60 25 125 20SC 40 55 30 60 25 125 24SC 40 55 35 70 25 125 30SC 40 55 45 75 25 125 34SC 40 55 75 1 10 25 125 40SC 40 55 75 250 25 125 44SC 40 55 75 250 2 ...

  • York YCAL0014SC - page 31

    YORK INTERNA TIONAL 31 FORM 150.62-NM1 OPERA TIONAL LIMIT A TIONS (ENGLISH) 1 Cooler Pressure Drop YCAL0030 Flow , GPM 60.00 50.00 40.00 30.00 20.00 10.00 0.00 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Press. Drop, Ft. H 2 O LD04966 40.00 30.00 20.00 10.00 0.00 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Press. Drop, Ft. H 2 O Flow ...

  • York YCAL0014SC - page 32

    YORK INTERNA TIONAL 32 OPERA TIONAL LIMIT A TIONS (METRIC) T ABLE 1 1 – TEMPERA TURES AND FLOWS YCAL00 LEA VING W A TER COOLER FLOW (L/S) AIR ON CONDENSER ( ° C) TEMPERA TURE ( ° C) MIN 1 MAX 2 MIN MAX MIN 4 MAX 5 14SC 4.4 12.8 1.9 3.8 -3.9 51.7 20SC 4.4 12.8 1.9 3.8 -3.9 51.7 24SC 4.4 12.8 2.2 4.4 -3.9 51.7 30SC 4.4 12.8 2.8 4.7 -3.9 51.7 34SC ...

  • York YCAL0014SC - page 33

    YORK INTERNA TIONAL 33 FORM 150.62-NM1 OPERA TIONAL LIMIT A TIONS (METRIC) T ABLE 13 – COOLER PRESSURE DROP CURVES MODEL YCAL00 COOLER CURVE 14SC, 20SC, 24SC, A 30SC 34SC B 40SC, 44SC, 50SC, C 60SC 64SC, 70SC, 74SC, D 80SC E % WT FACTORS FREEZE ETHYLE- POINT NE TONS COMPR. DELTA GPM/ ° F/ ( ° C) GLYCOL kW P TON 10 .994 .997 1.03 24.1 -3 20 .986 ...

  • York YCAL0014SC - page 34

    YORK INTERNA TIONAL 34 T ABLE 15 – PHYSICAL DA T A (ENGLISH) PHYSICAL DA T A (ENGLISH) YCAL0014SC - YCAL0080SC Model YCAL00 14SC 20SC 24SC 30SC 34SC 40SC 44SC Nominal Tons 13.6 17.9 23.3 27.1 34.7 38.2 47.4 Number of Refrigerant Circuits 1 1 1112 2 Compressors per circuit 2 2 2232 2 Compressors per unit 2 2 2234 4 Condenser T otal Face Area ft 2 ...

  • York YCAL0014SC - page 35

    YORK INTERNA TIONAL 35 FORM 150.62-NM1 PHYSICAL DA T A (ENGLISH) YCAL0014SC - YCAL0080SC 50SC 60SC 64SC 70SC 74SC 80SC 49.9 54.0 62.4 69.4 74.0 79.1 22 2 2 2 2 22 3 3 3 3 44 6 6 6 6 128.0 128.0 149.3 149.3 149.3 149.3 23 2 2 3 3 14 14 14 16 12 14 44 4 4 4 4 2 / 1.4 2 / 1.4 2 / 1.7 2 / 1.7 2 / 1.7 2 / 1.7 1 140 1 140 1 140 1 140 1 140 1 140 33 3 3 3 ...

  • York YCAL0014SC - page 36

    YORK INTERNA TIONAL 36 PHYSICAL DA T A (METRIC) YCAL0014SC - YCAL0080SC T ABLE 16 – PHYSICAL DA T A (METRIC) Model YCAL00 14SC 20SC 24SC 30SC 34SC 40SC 44SC Nominal kW 46.8 63.0 82.0 95.3 121.9 135.6 168.0 Number of Refrigerant Circuits 111112 2 Compressors per circuit 222232 2 Compressors per unit 222234 4 Condenser T otal Face Area meters 2 446 ...

  • York YCAL0014SC - page 37

    YORK INTERNA TIONAL 37 FORM 150.62-NM1 PHYSICAL DA T A (METRIC) YCAL0014SC - YCAL0080SC 50SC 60SC 64SC 70SC 74SC 80SC 177.1 191.6 221.3 246.0 262.6 278.1 222222 223333 446666 12 12 14 14 14 14 232233 518 518 518 518 518 518 444444 2 / 1.4 2 / 1.4 2 / 1.7 2 / 1.7 2 / 1.7 2 / 1.7 1 140 1 140 1 140 1 140 1 140 1 140 333333 22351 21747 26076 26076 2574 ...

  • York YCAL0014SC - page 38

    YORK INTERNA TIONAL 38 DIMENSIONS (ENGLISH) YCAL0014SC - YCAL0020SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable a ...

  • York YCAL0014SC - page 39

    YORK INTERNA TIONAL 39 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0014SC - YCAL0020SC T ABLE 17 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03847 MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 14SC 587 525 587 525 2225 50.1 25.8 23.3 20SC 591 529 591 529 2241 50.2 25.9 23.2 1 1 ...

  • York YCAL0014SC - page 40

    YORK INTERNA TIONAL 40 DIMENSIONS (ENGLISH) YCAL0024SC - YCAL0034SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable a ...

  • York YCAL0014SC - page 41

    YORK INTERNA TIONAL 41 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0024SC - YCAL0034SC T ABLE 18 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03845 MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 24SC 636 581 636 581 2435 50.6 25.9 28.5 30SC 692 632 692 632 2647 50.6 25.8 28.9 34SC 868 690 868 690 3129 48.0 25.4 26.9 1 ...

  • York YCAL0014SC - page 42

    YORK INTERNA TIONAL 42 DIMENSIONS (ENGLISH) YCAL0040SC - YCAL0060SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable a ...

  • York YCAL0014SC - page 43

    YORK INTERNA TIONAL 43 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0040SC - YCAL0060SC LD03849 T ABLE 19 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT A L X Y Z 40SC 1 1 10 1071 1 1 1 0 1071 4363 58.6 40.3 28.9 44SC 1 133 1098 1 133 1098 4462 58.7 40.3 28.6 50SC 1 151 1 1 19 1 151 1 1 19 454 ...

  • York YCAL0014SC - page 44

    YORK INTERNA TIONAL 44 DIMENSIONS (ENGLISH) YCAL0064SC - YCAL0080SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable a ...

  • York YCAL0014SC - page 45

    YORK INTERNA TIONAL 45 FORM 150.62-NM1 DIMENSIONS (ENGLISH) YCAL0064SC - YCAL0080SC T ABLE 20 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03851 MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 64SC 1463 1288 1463 1288 5501 56.3 46.0 30.1 70SC 1492 1315 1492 1315 5616 56.3 45.6 30.1 74SC 1551 1380 1551 1380 5863 56.5 45.9 31 ...

  • York YCAL0014SC - page 46

    YORK INTERNA TIONAL 46 DIMENSIONS (METRIC) YCAL0014SC - YCAL0020SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable ai ...

  • York YCAL0014SC - page 47

    YORK INTERNA TIONAL 47 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0014SC - YCAL0020SC T ABLE 21 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03853 All dimensions in millimeters unless otherwise noted. MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRA VITY (mm) YCAL00 A B C D TOT A L X Y Z 14SC 266 238 266 238 1009 1273 655 592 20SC 268 240 268 240 1016 127 ...

  • York YCAL0014SC - page 48

    YORK INTERNA TIONAL 48 DIMENSIONS (METRIC) YCAL0024SC - YCAL0034SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable ai ...

  • York YCAL0014SC - page 49

    YORK INTERNA TIONAL 49 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0024SC - YCAL0034SC T ABLE 22 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03855 All dimensions in millimeters unless otherwise noted. MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 24SC 288 264 288 264 1 104 1285 658 724 30SC 314 287 314 287 1201 1285 655 734 ...

  • York YCAL0014SC - page 50

    YORK INTERNA TIONAL 50 DIMENSIONS (METRIC) YCAL0040SC - YCAL0060SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable ai ...

  • York YCAL0014SC - page 51

    YORK INTERNA TIONAL 51 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0040SC - YCAL0060SC T ABLE 23 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03857 All dimensions in millimeters unless otherwise noted. MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT A L X Y Z 40SC 503 486 503 486 1979 1488 1024 734 44SC 514 498 514 498 2024 1491 1024 72 ...

  • York YCAL0014SC - page 52

    YORK INTERNA TIONAL 52 DIMENSIONS (METRIC) YCAL0064SC - YCAL0080SC Placement on a level surface of free of obstructions (including snow , for winter operation) or air circulation ensures rated performance, reliable operation, and ease of maintenance. Site restrictions may compromise minimum clearances indicated below , resulting in unpredictable ai ...

  • York YCAL0014SC - page 53

    YORK INTERNA TIONAL 53 FORM 150.62-NM1 DIMENSIONS (METRIC) YCAL0064SC - YCAL0080SC T ABLE 24 – WEIGHT DISTRIBUTION/CENTER OF GRA VITY LD03859 All dimensions in millimeters unless otherwise noted. MODEL WEIGHT DISTRIBUTION CENTER OF GRA VITY YCAL00 A B C D TOT AL X Y Z 64SC 664 584 664 584 2495 1430 1 168 765 70SC 677 596 677 596 2547 1430 1 158 7 ...

  • York YCAL0014SC - page 54

    YORK INTERNA TIONAL 54 PRE-ST ARTUP CHECKLIST G 8. Visually inspect wiring (power and control). Wir- ing MUST meet N.E.C. and local codes. See Fig- ures 2- 5, pages 14 - 17. G 9. Check tightness of power wiring inside the power panel on both sides of the motor contactors and overloads. G 10. Check for proper size fuses in main and control circuits, ...

  • York YCAL0014SC - page 55

    YORK INTERNA TIONAL 55 FORM 150.62-NM1 G 3. Program/verify the Cooling Setpoints, Program Setpoints, and unit Options. Record the values below (see sections on Setpoints and Unit keys for programming instruction). G 4. Put the unit into Service Mode (as described un- der the Control Service And T roubleshooting sec- tion) and cycle each condenser f ...

  • York YCAL0014SC - page 56

    YORK INTERNA TIONAL 56 The subcooling temperature of each system can be cal- culated by recording the temperature of the liquid line at the outlet of the condenser and subtracting it from the liquid line saturation temperature at the liquid stop valve (liquid line saturation temp. is converted from a temperature/pressure chart). Example: Liquid lin ...

  • York YCAL0014SC - page 57

    YORK INTERNA TIONAL 57 FORM 150.62-NM1 The operating sequence described below relates to op- eration on a hot water start after power has been ap- plied, such as start-up commissioning. When a com- pressor starts, internal timers limit the minimum time before another compressor can start to 1 minute. 1. For the chiller system to run, the Flow Switc ...

  • York YCAL0014SC - page 58

    YORK INTERNA TIONAL 58 UNIT CONTROLS YORK MILLENNIUM CONTROL CENTER The YORK MicroComputer Control Center is a micro- processor based control system designed to provide the entire control for the liquid chiller . The control logic em- bedded in the microprocessor based control system will provide control for the chilled liquid temperatures, as well ...

  • York YCAL0014SC - page 59

    YORK INTERNA TIONAL 59 FORM 150.62-NM1 The Microprocessor Board energizes on-board relays to output 120V AC to motor contactors, solenoid valves, etc. to control system operation. UNIT SWITCH A UNIT ON/OFF switch is just underneath the keypad. This switch allows the operator to turn the entire unit OFF if desired. The switch must be placed in the O ...

  • York YCAL0014SC - page 60

    YORK INTERNA TIONAL 60 “ ST A TUS ” KEY The following messages are displayed when the “ Sta- tus ” key is pressed. Following each displayed message is an explanation pertaining to that particular display . GENERAL ST A TUS MESSAGES In the case of messages which apply to individual sys- tems, SYS 1 and, SYS 2 messages will both be dis- playe ...

  • York YCAL0014SC - page 61

    YORK INTERNA TIONAL 61 FORM 150.62-NM1 Sys Switch Off tells that the system switch under OP- TIONS is turned of f. The system will not be allowed to run until the switch is turned back on. These messages inform the operator that the chilled liquid temperature is below the point (determined by the setpoint and control range) that the micro will brin ...

  • York YCAL0014SC - page 62

    YORK INTERNA TIONAL 62 When this message appears, suction pressure limiting is in effect. Suction Pressure Limiting is only available on units that have the suction pressure transducer in- stalled. If a low pressure switch is installed instead, suc- tion pressure limiting will not function. The suction pressure limit is a control point that limits ...

  • York YCAL0014SC - page 63

    YORK INTERNA TIONAL 63 FORM 150.62-NM1 The Discharge Pressure Cutout is a software cutout in the microprocessor and is backed-up by a mechanical high pressure cutout switch located in the refrigerant circuit. It assures that the system pressure does not exceed safe working limits. The system will shutdown when the programmable cutout is exceeded an ...

  • York YCAL0014SC - page 64

    YORK INTERNA TIONAL 64 Restart is allowed after the unit is fully powered again and the anti-recycle timers have finished counting down. UNIT W ARNING The following message is not a unit safety and will not be logged to the history buf fer . It is a unit warning and will not auto-restart. Operator intervention is required to allow a re-start of the ...

  • York YCAL0014SC - page 65

    YORK INTERNA TIONAL 65 FORM 150.62-NM1 ST A TUS KEY MESSAGES T ABLE 26 – ST A TUS KEY MESSAGES ST A TUS KEY MESSA GES General Messages F ault Messages Unit Switch Off Shutdown Remote Controlled Shutdown Daily Schedule Shutdown Flow Switch/Rem Stop No Run P ermissive System X Switch Off System X Comps Run System X AR Timer System X A C Timer Syste ...

  • York YCAL0014SC - page 66

    YORK INTERNA TIONAL 66 The Display/Print keys allow the user to retrieve sys- tem and unit information that is useful for monitoring chiller operation, diagnosing potential problems, trouble- shooting, and commissioning the chiller . System and unit information, unit options, setpoints, and scheduling can also be printed out with the use of a print ...

  • York YCAL0014SC - page 67

    YORK INTERNA TIONAL 67 FORM 150.62-NM1 SY S 1 S P = 7 2.1 P S I G D P =227 . 0 P S IG These displays show suction and discharge pressures for systems 1 & 2. The discharge pressure transducer is optional on all models If the optional discharge transducer is not installed, the discharge pressure would display 0 PSIG (0 barg). Some models come fac ...

  • York YCAL0014SC - page 68

    YORK INTERNA TIONAL 68 EVA P P U M P I S O N E VAP HEAT ER I S OF F SYS X R U NT I M E X X -X X -X X-X X D- H- M -S SYS X N U M B ER O F CO MP S RUNN I NG X SYS X L LSV I S O N HO T GA S S O L I S O F F SYS X F A N S TA G E 3 This display indicates the status of the evaporator pump contacts and the evaporator heater . The evaporator pump dry contac ...

  • York YCAL0014SC - page 69

    YORK INTERNA TIONAL 69 FORM 150.62-NM1 T ABLE 27 – OPERA TION DA T A OPER DA T A Quick Reference List The following table is a quick reference list for informa- tion available under the OPER DA T A key . * Block of information repeats for each system Oper Data Ke y Leaving & Chilled Liquid T emps Ambient Air T emperature System 1 Discharge &a ...

  • York YCAL0014SC - page 70

    YORK INTERNA TIONAL 70 PRINT Key The PRINT key allows the operator to obtain a printout of real-time system operating data or a printout of sys- tem data at the “ instant of the fault ” on the last six faults which occurred on the unit. An optional printer is re- quired for the printout. See Service And T roubleshooting sec- tion for Printer In ...

  • York YCAL0014SC - page 71

    YORK INTERNA TIONAL 71 FORM 150.62-NM1 HISTOR Y PRINTOUT Pressing the PRINT key and then the HISTOR Y key allows the operator to obtain a printout of information relating to the last 6 Safety Shutdowns which occurred. The information is stored at the instant of the fault, re- gardless of whether the fault caused a lockout to occur . The information ...

  • York YCAL0014SC - page 72

    YORK INTERNA TIONAL 72 The UP and DOWN arrows are used to scroll forwards and backwards through the history buf fer to display the shutdown conditions. Following is a list of displayed his- tory data screens in the order that they are displayed: Explanation of the above displays are covered under the ST A TUS, DISPLA Y/PRINT , SETPOINTS, or UNIT ke ...

  • York YCAL0014SC - page 73

    YORK INTERNA TIONAL 73 FORM 150.62-NM1 The Entry Keys allows the user to view , change pro- grammed values. The ENTRY keys consist of an UP ARROW key , DOWN ARROW key , and an ENTER/ADV key . UP AND DOWN ARROW KEYS Used in conjunction with the OPER DA T A and HISTORY keys, the UP and DOWN arrow keys allow the user to scroll through the various data ...

  • York YCAL0014SC - page 74

    YORK INTERNA TIONAL 74 be displayed for a few seconds, and then the setpoint entry screen will be displayed. Following 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. That is, the cooling setpoint is ...

  • York YCAL0014SC - page 75

    YORK INTERNA TIONAL 75 FORM 150.62-NM1 After using the UP and DOWN arrows to adjust to the desired setpoint, the ENTER/ADV key must be pressed to enter this number into memory and advance to the RANGE SETPOINT . This will be indicated by the cursor moving under the current RANGE setpoint. The UP and DOWN arrow keys are used to set the RANGE, in .5 ...

  • York YCAL0014SC - page 76

    YORK INTERNA TIONAL 76 Pressing the COOLING SETPOINTS key a second time will display the remote setpoint and cooling range. This display automatically updates about every 2 seconds. Notice that these setpoints are not “ locally ” program- mable, but are controlled by a remote device such as an ISN control. These setpoints would only be valid if ...

  • York YCAL0014SC - page 77

    YORK INTERNA TIONAL 77 FORM 150.62-NM1 SCHEDULE/ADV ANCE DA Y key The SCHEDULE is a seven day daily schedule that al- lows one start/stop time per day . The schedule can be programmed Monday through Sunday with an alternate holiday schedule available. If no start/stop times are pro- grammed, the unit will run on demand, providing the chiller is not ...

  • York YCAL0014SC - page 78

    YORK INTERNA TIONAL 78 PROGRAM key There are six operating parameters under the PRO- GRAM key that are programmable. These setpoints can be changed by pressing the PROGRAM key , and then the ENTER/ADV key to enter Program Mode . Continu- ing to press the ENTER/ADV key will display each op- erating parameter . While a particular parameter is be- ing ...

  • York YCAL0014SC - page 79

    YORK INTERNA TIONAL 79 FORM 150.62-NM1 Another anti-recycle timer is started each time the sys- tems number one compressor cycles off. This anti-re- cycle time is fixed at 120 seconds and starts to count- down when the systems number one compressor cycles off. The anti-recycle message is displayed when the sys- tem is unable to start due to either ...

  • York YCAL0014SC - page 80

    YORK INTERNA TIONAL 80 T ABLE 30 – SETPOINTS QUICK REFERENCE LIST T able 30 provides a quick reference of the setpoints list for the Setpoints Keys. Cooling Setpoints Key Schedule/ Program Mode (press key to adv .) Adv ance Day Ke y (press enter to adv .) Local Leaving Mon. – Sun. Discharge W ater T emp Control & Pressure (Display Only) Hol ...

  • York YCAL0014SC - page 81

    YORK INTERNA TIONAL 81 FORM 150.62-NM1 “ UNIT ” KEYS OPTIONS key There are eleven programmable options (nine for units with a single refrigerant system) under the OPTIONS key . The OPTIONS key is used to scroll through the list of options by repeatedly pressing the OPTIONS key . After the selected option has been displayed, the UP and DOWN arro ...

  • York YCAL0014SC - page 82

    YORK INTERNA TIONAL 82 ABCDE F G H I J K LM N OPQRS T 1234567890 ° ,./ % - ( ) * X ABCDE F G H I J K LM N OPQRS T 1234567890 ° ,./ % - ( ) * X or The chilled liquid is glycol. The Cooling Setpoint can be programmed from 10 ° F to 70 ° F (-12.2 ° C to 21.1 ° C). Option 5 – Ambient Control T ype The low ambient cutout is adjustable from 25 ° ...

  • York YCAL0014SC - page 83

    YORK INTERNA TIONAL 83 FORM 150.62-NM1 Condenser fans are controlled by ambient tem pera- t ure and discharge pressure. This mode must be cho- sen if the discharge pressure transducers are not in- stalled, or if the fan cycling is a concern. Option 1 1 – Manual Override Mode T his option allows overriding of the daily schedule that is programmed. ...

  • York YCAL0014SC - page 84

    YORK INTERNA TIONAL 84 T ABLE 31 – UNIT KEYS PROGRAMMING QUICK REFERENCE LIST T able 31 provides a quick reference list for the Unit key setpoints. Options Ke y Cloc k (press key to ad v .) Displa y Language Da y – Time – Date System Switches on/off Unit T ype (Chiller or Condensing Unit) Chilled Liquid T ype (water or glycol) Ambient Control ...

  • York YCAL0014SC - page 85

    YORK INTERNA TIONAL 85 FORM 150.62-NM1 CAP ACITY CONTROL T o initiate the start sequence of the chiller , all run per- missive inputs must be satisfied (flow/remote start/stop switch), and no chiller or system faults exist. The first phase of the start sequence is initiated by the Daily Schedule Start or a Remote Cycling Device. If the unit is shut ...

  • York YCAL0014SC - page 86

    YORK INTERNA TIONAL 86 FIG. 6 – LEA VING W A TER TEMPERA TURE CONTROL T ABLE 32 – LEA VING CHILLED LIQUID CONTROL FOR 6 COMPRESSORS (8 STEPS) T ABLE 33 – LEA VING CHILLED LIQUID CONTROL FOR 4 COMPRESSORS (6 STEPS) 20 sec. 30 sec. 60 sec. control range 60 sec. unloading unloading unloading (no compressor staging) loading 42.5 ° F 43.5 ° F 44 ...

  • York YCAL0014SC - page 87

    YORK INTERNA TIONAL 87 FORM 150.62-NM1 Notes: 1. Step 1 is Hot Gas Bypass and is skipped when loading occurs. Hot Gas Bypass operation is inhibited during Pumpdown. For Leaving Chilled Liquid Control the Hot Gas Bypass solenoid is energized only when the lead compressor is running and the L WT < SP , the Hot Gas Bypass solenoid is turned off whe ...

  • York YCAL0014SC - page 88

    YORK INTERNA TIONAL 88 RETURN CHILLED LIQUID CONTROL (DUAL SYSTEM 4 AND 6 COMP UNITS ONL Y) Return chilled liquid control is based on staging the com- pressors to match the cooling load. The chiller will be fully loaded when the return water temperature is equal to the Cooling Setpoint plus the Range Setpoint. The chiller will be totally unloaded ( ...

  • York YCAL0014SC - page 89

    YORK INTERNA TIONAL 89 FORM 150.62-NM1 Compressor Staging for Return W ater Control – 6 Compressors Cooling Setpoint = 45 ° F (7.2 ° C) Range = 10 ° F (5.6 ° C) Notes: 1. Step 1 is Hot Gas Bypass and is skipped when loading occurs. Hot Gas Bypass operation is inhibited during Pumpdown. 2. Step 3 is skipped when loading occurs. 3. Step 4 is sk ...

  • York YCAL0014SC - page 90

    YORK INTERNA TIONAL 90 EV APORA TOR PUMP CONTROL The evaporator pump dry contacts (CTB2 - terminals 23 - 24) are energized when any of the following condi- tions are true: 1. Low Leaving Chilled Liquid Fault 2. Any compressor is running 3. Daily Schedule is not programmed OFF and Unit Switch is ON. The pump will not run if the micro panel has been ...

  • York YCAL0014SC - page 91

    YORK INTERNA TIONAL 91 FORM 150.62-NM1 LOW AMBIENT CONDENSER FAN CONTROL For unit operation below 25 ° F (-3.9 ° C) a low ambient kit is required. The kit consists of a discharge pressure transducer(s) and reversing contactors. With the low ambient kit installed and the unit pro- grammed for low ambient operation, the condenser fans will operate ...

  • York YCAL0014SC - page 92

    YORK INTERNA TIONAL 92 PUMPDOWN (LLSV) CONTROL Each system has a Pumpdown feature upon shut-off. On a non-safety , non-unit switch shutdown, all compres- sors but one in the system will be shut off. The LLSV will also be turned off. The final compressor will be al- lowed to run until the suction pressure falls below the cutout or for 180 seconds, w ...

  • York YCAL0014SC - page 93

    YORK INTERNA TIONAL 93 FORM 150.62-NM1 EMS-PWM REMOTE TEMPERA TURE RESET EMS-PWM Remote T emperature Reset is a value that resets the Chilled Liquid Setpoint based on a PWM in- put (timed contact closure) to the microboard. This PWM input would typically be supplied by an Energy Man- agement System. A contact closure on the PWM T emp Reset input at ...

  • York YCAL0014SC - page 94

    YORK INTERNA TIONAL 94 FIG. 7 – FIELD AND F ACT OR Y ELECTRICAL CONNECTIONS OPTIONAL REMOTE TEMPERA TURE RESET BOARD If a 4-20mA signal is available, it is applied to termi- nals A+ and A- and jumpers are applied to JU5 and JU3 on the reset board. The mA signal is conditioned to a 1-1 1 second PWM output. The PWM output is then supplied to the PW ...

  • York YCAL0014SC - page 95

    YORK INTERNA TIONAL 95 FORM 150.62-NM1 SER VICE AND TROUBLESHOOTING CLEARING HISTOR Y BUFFERS The history buffers may be cleared by pressing the HIS- TOR Y key and then repeatedly pressing the UP arrow key until you scroll past the last history buffer choice. The following message will be displayed: Pressing the ENTER/ADV key at this display will c ...

  • York YCAL0014SC - page 96

    YORK INTERNA TIONAL 96 SERVICE MODE - INPUTS After entering the Service Mode, all digital and analog inputs to the microboard can be viewed by pressing the OPER DA T A key . After pressing the OPER DA T A key , the UP ARROW and DOWN ARROW keys are used to scroll through the analog and digital inputs. Following is the order of analog and digital inp ...

  • York YCAL0014SC - page 97

    YORK INTERNA TIONAL 97 FORM 150.62-NM1 * The 30 dc unregulated supply is not an input. This voltage originates on the microboard and is used to supply the contacts for the binary inputs. T ABLE 46 – MICROBOARD OUTPUTS TB3-2 SYSTEM 1 COMPRESSOR 1 TB3-3 SYS 1 LIQUID LINE SOLENOID V AL VE TB3-4 SYSTEM 1 COMPRESSOR 2 TB3-5 SYSTEM 1 COMPRESSOR 3 TB3-6 ...

  • York YCAL0014SC - page 98

    YORK INTERNA TIONAL 98 FIG. 8 – MICROBOARD LA YOUT J4 J8 J6 J5 J7 J9 TB3 TB4 TB5 00071VIP TB1 TB2 Service and T roubleshooting CLOCK ON/OFF JUMPER ...

  • York YCAL0014SC - page 99

    YORK INTERNA TIONAL 99 FORM 150.62-NM1 CHECKING INPUTS AND OUTPUTS BINAR Y INPUTS Refer to the unit wiring diagram. All binary inputs are connected to J9 of the microboard. The term “ binary ” refers to two states – - either on or off. As an example, when the flow switch is closed, 30 volts dc will be ap- plied to J9, pin 5 (J9-5) of the micr ...

  • York YCAL0014SC - page 100

    YORK INTERNA TIONAL 100 Entering Chilled Liquid Sensor J6-6 = +5V DC regulated supply to sensor . J6-9 = VDC input signal to the microboard. See T able 48 for voltage readings that correspond to specific liquid temperatures. J6-3 = drain (shield connection = 0VDC) Leaving Chilled Liquid T emp. Sensor J6-5 = +5V DC regulated supply to sensor . J6-8 ...

  • York YCAL0014SC - page 101

    YORK INTERNA TIONAL 101 FORM 150.62-NM1 ANALOG INPUTS – Pressure Refer to the unit wiring diagram. Pressure inputs are connected to the microboard on plugs J4 and J7. These analog inputs represent varying dc signals correspond- ing to varying pressures. All voltages are in reference to the unit case (ground). System 1 discharge and suction pressu ...

  • York YCAL0014SC - page 102

    YORK INTERNA TIONAL 102 The suction transducers have a range from 0 to 200 PSIG (13.79 BARG). The output will be linear from .5 VDC to 4.5 VDC over the 200 PSIG (13.79 BARG) range. Following is a formula that can be used to verify the voltage output of the transducer . All voltage reading are in reference to ground (unit case). V = (Pressure in PSI ...

  • York YCAL0014SC - page 103

    YORK INTERNA TIONAL 103 FORM 150.62-NM1 KEYP AD The operator keypad is connected to the microboard by a ribbon cable, which is connected to J2 on the mi- croboard. The integrity of a specific “ button ” on the keypad can be verified by doing a continuity check across two specific . FIG. 9 – MICROBOARD RELA Y CONT ACT ARCHITECTURE LD03842 T AB ...

  • York YCAL0014SC - page 104

    YORK INTERNA TIONAL 104 The micro panel is capable of supplying a printout of chiller conditions or fault shutdown information at any given time. This allows operator and service personnel to obtain data and system status with the touch of the keypad. In addition to manual print selection, the micro panel will provide an automatic printout whenever ...

  • York YCAL0014SC - page 105

    YORK INTERNA TIONAL 105 FORM 150.62-NM1 TROUBLESHOOTING PROBLEM CA USE SOLUTION No display on panel. 1. No 115V A C to 1T . 1a. Check wiring and fuse Unit will not operate. 3FU b . Check wiring emergency stop contacts 5 to L of CTB2 T er minal Bloc k. c. Replace 1T 2. No 24V AC to Microboard 2. Check wiring 1T to Microboard. 3. 1T def ective , no 3 ...

  • York YCAL0014SC - page 106

    YORK INTERNA TIONAL 106 PROBLEM CA USE SOL “ LO W SUCTION PRESSURE ” 4. TXV defectiv e. 4. Replace TXV . F A UL T (CONT ’ D) 5. Reduced flo w of chilled 5. Check GPM (See “ Limita tions ” liquid through the cooler . in Insta llat ion sect ion). Check operation of pump , clean pump strainer , purge chilled liquid system of air . 6. Defecti ...

  • York YCAL0014SC - page 107

    YORK INTERNA TIONAL 107 FORM 150.62-NM1 PROBLEM CA USE SOLUTION “ MP / HPCO ” FA U LT 1. Compressor internal motor 1. V er ify refrigerant charge is protector (MP) open. not low . V er ify superheat setting of ° 10 - 15 ° F (5.6 ° - 8. 3 ° C). V er ify correct com- pressor rotation. V er ify compressor is not ov er loaded. 2. Exter nal ov e ...

  • York YCAL0014SC - page 108

    YORK INTERNA TIONAL 108 MAINTENANCE It is the responsibility of the equipment owner to pro- vide maintenance on the system. IMPORT ANT If system failure occurs due to improper maintenance during the warranty period, YORK will not be liable for costs incurred to return the system to satisfactory op- eration. The following is intended only as a guide ...

  • York YCAL0014SC - page 109

    YORK INTERNA TIONAL 109 FORM 150.62-NM1 RECEIVED DA T A (CONTROL DA T A) The Middle Market receives 8 data values from the ISN. The first 4 are analog values and the last 4 are digital values. These 8 data values are used as control pa- rameters when in REMOTE mode. When the unit is in LOCAL mode, these 8 values are ignored. If the unit receives no ...

  • York YCAL0014SC - page 110

    YORK INTERNA TIONAL 110 Service and T roubleshooting * The operational and fault codes sent to pages 56 through 59 are defined in T able 54. Note that this table of fault and op codes is for all DX products. The codes that are grayed out are not used on this unit. T ABLE 53 – ISN TRANSMITTED DA T A ISN P AGE TYPE DA T A P42 DIGIT AL SYS 1 LIQUID ...

  • York YCAL0014SC - page 111

    YORK INTERNA TIONAL 111 FORM 150.62-NM1 T ABLE 54 – ISN OPERA TIONAL AND F AUL T CODES P56/58 OPERA TIONAL CODE P57/59 F AUL T CODE 0 NO ABNORMAL CONDITION 0 NO F AUL T 1 UNIT SWITCH OFF 1 V AC UNDERVOL T AGE 2 SYSTEM SWITCH OFF 2 LOW AMBIENT TEMPERA TURE 3 LOCK-OUT 3 HIGH AMBIENT TEMPERA TURE 4 UNIT F AUL T 4 LOW LEA VING CHILLED LIQUID TEMP 5 S ...

  • York YCAL0014SC - page 112

    YORK INTERNA TIONAL 112 ELEMENT AR Y DIAGRAM YCAL0014SC – YCAL0030SC FIG. 11 – ELEMENT AR Y DIA GRAM Wiring Diagrams ...

  • York YCAL0014SC - page 113

    YORK INTERNA TIONAL 113 FORM 150.62-NM1 20 LD03531 ELEMENT AR Y DIAGRAM YCAL0014SC – YCAL0030SC FIG. 11 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4 ...

  • York YCAL0014SC - page 114

    YORK INTERNA TIONAL 114 ELEMENT AR Y DIAGRAM YCAL0014SC – YCAL0030SC LD03532 FIG. 12 – ELEMENT AR Y DIA GRAM Wiring Diagrams ...

  • York YCAL0014SC - page 115

    YORK INTERNA TIONAL 115 FORM 150.62-NM1 This page intentionally left blank. 4 ...

  • York YCAL0014SC - page 116

    YORK INTERNA TIONAL 116 ELEMENT AR Y DIAGRAM YCAL0034SC FIG. 13 – ELEMENT AR Y DIA GRAM Wiring Diagrams ...

  • York YCAL0014SC - page 117

    YORK INTERNA TIONAL 117 FORM 150.62-NM1 FIG. 13 – ELEMENT AR Y DIA GRAM (Cont ’ d) LD03533 ELEMENT AR Y DIAGRAM YCAL0034SC 4 ...

  • York YCAL0014SC - page 118

    YORK INTERNA TIONAL 118 FIG. 14 – ELEMENT AR Y DIA GRAM ELEMENT AR Y DIAGRAM YCAL0034SC LD03534 Wiring Diagrams ...

  • York YCAL0014SC - page 119

    YORK INTERNA TIONAL 119 FORM 150.62-NM1 This page intentionally left blank. 4 ...

  • York YCAL0014SC - page 120

    YORK INTERNA TIONAL 120 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC FIG. 15 – ELEMENT AR Y DIA GRAM Wiring Diagrams ...

  • York YCAL0014SC - page 121

    YORK INTERNA TIONAL 121 FORM 150.62-NM1 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC LD03535 FIG. 15 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4 ...

  • York YCAL0014SC - page 122

    YORK INTERNA TIONAL 122 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC FIG. 16 – ELEMENT AR Y DIA GRAM Wiring Diagrams ...

  • York YCAL0014SC - page 123

    YORK INTERNA TIONAL 123 FORM 150.62-NM1 ELEMENT AR Y DIAGRAM YCAL0040SC – YCAL0060SC LD03536 FIG. 16 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4 ...

  • York YCAL0014SC - page 124

    YORK INTERNA TIONAL 124 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC FIG. 17 – ELEMENT AR Y DIA GRAM Wiring Diagrams ...

  • York YCAL0014SC - page 125

    YORK INTERNA TIONAL 125 FORM 150.62-NM1 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC LD03537 FIG. 17 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4 ...

  • York YCAL0014SC - page 126

    YORK INTERNA TIONAL 126 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC FIG. 18 – ELEMENT AR Y DIA GRAM Wiring Diagrams ...

  • York YCAL0014SC - page 127

    YORK INTERNA TIONAL 127 FORM 150.62-NM1 LD03538 ELEMENT AR Y DIAGRAM YCAL0064SC – YCAL0080SC FIG. 18 – ELEMENT AR Y DIA GRAM (Cont ’ d) 4 ...

  • York YCAL0014SC - page 128

    YORK INTERNA TIONAL 128 ISOLA TOR SPRING IDENTIFICA TION TABLE 1" DEFLECTION SEISMIC MODEL P ART- # COLOR MODEL P ART # COLOR CP-1-27 308439-27 ORANGE AEQM-97 301055-97 WHITE CP-1-28 308439-28 GREEN AEQM-98 301055-98 GR A Y CP-1-31 308439-31 GRA Y AEQM-1300 301060-1300 YELLOW CP-1-27 308692-27 ORANGE AEQM-1600 301060-1600 GR A Y CP-2-28 308692 ...

  • York YCAL0014SC - page 129

    YORK INTERNA TIONAL 129 FORM 150.62-NM1 SEISMIC WEIGHT DISTRIBUTION POINT SPRING LOCA TION Refer to Dimensions for Weight Distribution Point Location A – D MODEL # ABCD YCAL0014 AEQM-97 AEQM-97 AEQM-97 AEQM-97 YCAL0020 AEQM-97 AEQM-97 AEQM-97 AEQM-97 YCAL0024 AEQM-97 AEQM-97 AEQM-97 AEQM-97 YCAL0030 AEQM-98 AEQM-98 AEQM-98 AEQM-98 YCAL0034 AEQM-9 ...

  • York YCAL0014SC - page 130

    APPENDIX 1 (DIMENSIONS) FIG. 19 – TYPE CP 1 FIG. 20 – TYPE CP 2 LD03839 LD03840 Appendix 1 – Isolators ...

  • York YCAL0014SC - page 131

    APPENDIX 1 (DIMENSIONS) MODEL # A B C D E F G H J AEQM-97 75 - ½ 4- ½ 2- ½ A! 7- !A @ AEQM-98 75 - ½ 4- ½ 2- ½ A! 7- !A @ AEQM-99 75 - ½ 4- ½ 2- ½ A! 7- !A @ AEQM-1000 8- ½ 6- ½ 6 4- ½¾ @ 8- @B ½ AEQM-1300 8- ½ 6- ½ 6 4- ½¾ @ 8- @B ½ AEQM-1600 8- ½ 6- ½ 6 4- ½¾ @ 8- @B ½ AEQM-1625 8- ½ 6- ½ 6 4- ½¾ @ 8- @B ½ AEQM-1628 8 ...

  • York YCAL0014SC - page 132

    YORK INTERNA TIONAL 132 INST ALLA TION AND ADJUSTING INST ALLA TIONS TYPE CP MOUNTING APPENDIX 1 Mountings are shipped completely assembled, ready to install. 1 . Locate mountings under equipment at positions shown on tags or on VM layout drawings, or as indi- cated on packing slip or correspondence. 2. Set mountings on subbase, shimming or groutin ...

  • York YCAL0014SC - page 133

    YORK INTERNA TIONAL 133 FORM 150.62-NM1 “ AEQM ” SPRING-FLEX MOUNTING INST ALLA TION AND ADJUSTMENT INSTRUCTIONS APPENDIX 1 1. Isolators are shipped fully assembled and are to be spaced and located in accordance with installation drawings or as otherwise recommended. 1a. Locate spring port facing outward from equip- ment or base so that spring ...

  • York YCAL0014SC - page 134

    YORK INTERNA TIONAL 134 ALABAMA Birmingham YORK International Corp. (205) 987-0458 ARIZONA Phoenix YORK International Corp. (602) 220-9400 CALIFORNIA Los Angeles YORK International Corp. (714) 897-0997 San Francisco YORK International Corp. (510) 426-1 166 COLORADO Denver YORK International Corp. (303) 649-1500 CONNECTICUT Danbury YORK Internationa ...

  • York YCAL0014SC - page 135

    YORK INTERNA TIONAL 135 FORM 150.62-NM1 This page intentionally left blank. ...

  • York YCAL0014SC - page 136

    P .O. Box 1592, Y ork, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA Copyright © by Y ork International Corporation 2000 ALL RIGHTS RESERVED Form 150.62-NM1 (700) Supersedes: 150.62-NM1 (899) 150.62-NM1 (399) T ele. 800-851-1001 www .york.com ...

Manufacturer York Category Heat Pump

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