York MILLENNIUM YCUL0016SC Assembly, Installation, Operation & Maintenance
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York MILLENNIUM YCUL0016SC Assembly, Installation, Operation & Maintenance

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MILLENNIUM
AIR-COOLED CONDENSING UNITS
HERMETIC SCROLL
INSTALLATION, OPERATION & MAINTENANCE
New Release
Form 150.63-NM1 (700)
YCUL0016SC - YCUL0090SC
00096VIP
200-3-60
230-3-60
380-3-60
460-3-60
575-3-60
MODELS ONLY
Standard & Metric Models, Combined

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Summary of Contents for York MILLENNIUM YCUL0016SC

  • Page 1 ® MILLENNIUM AIR-COOLED CONDENSING UNITS HERMETIC SCROLL INSTALLATION, OPERATION & MAINTENANCE New Release Form 150.63-NM1 (700) YCUL0016SC - YCUL0090SC 00096VIP 200-3-60 230-3-60 380-3-60 460-3-60 575-3-60 MODELS ONLY Standard & Metric Models, Combined...

  • Page 2: Table Of Contents

    Optional Printer Installation ........140 Model YCUL0036C ..........46 Parts ................. 140 Model YCUL0040C ..........48 Assembly & Wiring ..........140 Model YCUL0046C ..........50 Obtaining A Printout ..........140 Model YCUL0056C ..........52 Troubleshooting ............141 Model YCUL0060C ..........54 YORK INTERNATIONAL...
  • Page 3 Type CP Mounting ..........168 YCUL0016 – YCUL0036 ........148 AEQM Spring-Flex Mounting ......169 YCUL0040 .............. 152 York Service Offices (North America) ....171 LIST OF TABLES Table 1 - Fitting Equivalent Lengths ......13 Table 21 - Condenser Fan Control Using Outdoor...
  • Page 4 Figure 21 - Isolator Dimensions - Type CP-2 ..........166 Figure 22 - Isolator Dimensions - R-Spring Seismic Isolators ....167 Figure 23 - Isolator Installation & Adjustment - Type CP Mounting ..168 Figure 24 - Isolator Installation & Adjustment - AEQM Spring-Flex Mounting ..........169 YORK INTERNATIONAL...

  • Page 5: Manual Usage And Revisions

    In complying with YORK’s policy for continuous product improvement, the information contained in this docu- ment is subject to change without notice. While YORK makes no commitment to update or provide current infor- mation automatically to the manual owner, that information, if applicable, can be obtained by contacting the nearest YORK Service office.

  • Page 6: Product Identification Number

    UNIT DESIGNATOR REFRIGERANT VOLTAGE/STARTER DESIGN/DEVELOPMENT LEVEL : Standard Unit :R-22 :200 / 3/ 60 :Design Series A : YORK :230 / 3 /60 :Engineering : Chiller 60HZ: Nominal Tons: Even Number :380 / 3/ 60 Change : Air-Cooled 50HZ: Nominal kW: Odd Number...
  • Page 7 OPTIONS MODEL NUMBER 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 POWER FIELD CONTROLS FIELD COMPRESSOR / PIPING FIELD : MP Supply TB : Low Ambient Kit (factory) : Temp.

  • Page 8: Refrigerant Flow Diagram

    AIR COOLED CONDENSERS YCUL REFRIGERANT FLOW DIAGRAM NOTE: YCUL0046-0090 HAVE TWO REFRIGERANT SYSTEMS * HOT GAS OPTION - SYSTEM 1 ONLY LIQUID LINE SERVICE VALVE LIQUID LINE FILTER DRIER AIR FLOW LIQUID LINE DISCHARGE LINE SOLENOID VALVE SOLENOID OPERATED BALL VALVE HOT GAS BYPASS VALVE SIGHT GLASS / MOISTURE INDICATOR...

  • Page 9: Section 1 Installation

    4. Pipe unit using good piping practice (refer to equipment must be commissioned and ASHRAE handbook). serviced by an authorized YORK ser- 5. Check to see that the unit is installed and operated vice mechanic or a qualified service within limitations (Refer to LIMITATIONS).

  • Page 10: Foundation

    Con- Discharge Air Sensor siderations should be made utilizing noise levels pub- lished in the YORK Engineering Guide for the specific unit model. Sound blankets for the compressors and The discharge air sensor and associated connector hard- low sound fans are available.

  • Page 11: Zone Thermostats

    13- to 14 to prevent operation of the refrigerant the system is functioning normally. The respective con- circuit when the supply air blower is not operating. tacts will open when the unit is shut down on a unit YORK INTERNATIONAL...

  • Page 12: Pwm Input

    Table 5 & 6 under column labeled “Nominal Tons (kW) Unloaded. YORK ASSUMES NO WARRANTY RESPONSIBIL- ITY FOR SYSTEM OPERATION OR FAILURES Evaporator Below Condensing Unit DUE TO IMPROPER PIPING OR PIPING DESIGN.

  • Page 13: Oil Traps

    2.7 oz./ft. (76 grams/30cm) 1-5/8" (41mm) .3 oz./ft. (8 grams/30 cm) 7/8" (22mm) 3.7 oz./ft. (105 grams/30cm) 2-1/8" (54mm) .6 oz/ft. (17 grams/30cm) 1-1/8" (29mm) 6.2 oz./ft. (176 grams/30cm) 2-5/8" (67mm) .8 oz./ft. (23 grams/30cm) 1-3/8" (35mm) 8.6 oz./ft. (244 grams/30cm) YORK INTERNATIONAL...

  • Page 14: Table 5 - Refrigerant Line Pressure Drops

    3360 2-1/8 1890 1-5/8 4320 2-1/8 2430 1-1/8 1-5/8 4320 2-1/8 2430 1-1/8 2-1/8 2700 2-5/8 1800 1-1/8 1-5/8 4320 2-1/8 2430 1-1/8 2-1/8 2790 2-5/8 1860 1-1/8 2-1/8 2790 2-5/8 1860 1-1/8 See notes on page 18. YORK INTERNATIONAL...
  • Page 15 2-5/8 2340 1-3/8 2-1/8 3510 1-1/8 2-5/8 2340 1-3/8 2-1/8 4050 1-1/8 2-5/8 2700 1-3/8 2-1/8 3510 1-1/8 2-5/8 2340 1-3/8 2-1/8 4050 1-1/8 2-5/8 2700 1-3/8 2-1/8 4050 1-1/8 2-5/8 2700 1-3/8 See notes on page 18. YORK INTERNATIONAL...

  • Page 16: Table 6 - Refrigerant Line Pressure Drops (Metric)

    12.3 1-1/8 11.7 2-1/8 15.6 13.7 51.0 2-5/8 1-1/8 26.2 1-5/8 51.0 21.9 42.1 2-1/8 13.1 12.3 1-1/8 11.7 2-1/8 16.5 14.2 54.5 2-5/8 1-1/8 15.2 2-1/8 16.5 14.2 54.5 2-5/8 1-1/8 15.2 See notes on page 18. YORK INTERNATIONAL...
  • Page 17 2-5/8 11.7 13.7 1-3/8 11.7 2-1/8 25.5 17.8 1-1/8 23.4 2-5/8 11.9 1-3/8 2-1/8 33.8 20.6 1-1/8 30.3 2-5/8 11.7 13.7 1-3/8 11.7 2-1/8 33.8 20.6 1-1/8 30.3 2-5/8 11.7 13.8 1-3/8 11.7 See notes on page 18. YORK INTERNATIONAL...

  • Page 18: Refrigerant Piping Notes

    6. Hot gas bypass lines are typically 7/8" for lines up to 40 feet and 1-1/8" for lines over 40 feet (12 meters) in length. The field connections sizes are 7/8" for the optional factory mounted hot gas bypass valve. Hot gas bypass is only available for refrigerant system number 1. YORK INTERNATIONAL...

  • Page 19: Power Connection Options

    Electrical Notes and Legend located on page 24. FIG. 2 – MULTI POINT POWER SUPPLY WIRING YORK INTERNATIONAL...

  • Page 20: Single-Point Power Supply Wiring

    Electrical Notes and Legend located on page 24. FIG. 3 – SINGLE POINT POWER SUPPLY WIRING YORK INTERNATIONAL...

  • Page 21: Optional Single-Point Power Wiring - Non-Fused Disconnect Switch Or Circuit Breaker

    Electrical Notes and Legend located on page 24. FIG. 4 – OPTIONAL SINGLE POINT POWER WIRING YORK INTERNATIONAL...

  • Page 22: Control Wiring

    It is possible that multiple sources of power can be supplying the unit power panel. To pre- vent serious injury or death, the technician should verify that no lethal voltages are present inside the panel after disconnecting power, prior to working on the equipment. YORK INTERNATIONAL...
  • Page 23 REFER TO ASSEMBLY INSTRUCTIONS IN FACTORY ON MICRO BOARD SUPPLIED KIT. CABLE, SENSORS AND ELECTRICAL CONNECTIONS ARE INCLUDED. 15.4 K Ω Ω Ω Ω Ω Resistor must be connected as shown. FIG. 9 – OPTIONAL SUCTION TEMPERATURE SENSOR FIELD WIRING YORK INTERNATIONAL...

  • Page 24: Electrical Notes

    HZ HERTZ MAX MAXIMUM MCA MINIMUM CIRCUIT AMPACITY MIN MINIMUM MIN NF MINIMUM NON FUSED RLA RATED LOAD AMPS S.P. WIRE SINGLE POINT WIRING UNIT MTD SERV SW UNIT MOUNTED SERVICE (NON-FUSED DISCONNECT SWITCH) LRA LOCKED ROTOR AMPS YORK INTERNATIONAL...

  • Page 25: Electrical Data

    It is possible that multiple sources of power can be supplying the unit power panel. To pre- vent serious injury or death, the technician should verify that no lethal voltages are present inside the panel after disconnecting power, prior to working on the equipment. YORK INTERNATIONAL...

  • Page 26: Single-Pont Power (Standard Or Optional Disconnect Or Breakers)

    # 4 - # 1 # 6 - # 2 # 6 - # 2 3/0 - 250 2/0 - 4/0 0040SC # 2 - 1/0 # 4 - # 1 # 4 - # 1 See Notes on page 24. YORK INTERNATIONAL...
  • Page 27 — — 17.3 17.3 — — 54.7 54.7 — — 50.7 50.7 — — 28.7 28.7 — — 24.1 24.1 — — 19.3 19.3 — — 51.2 51.2 51.2 47.4 47.4 47.4 28.7 28.7 28.7 22.6 22.6 22.6 YORK INTERNATIONAL...

  • Page 28: Standard Dual Point Power

    60 192 3/0 - 250 54.2 54.2 54.2 0090SC 60 112 # 2 - 1/0 31.5 31.5 31.5 # 2 - 1/0 25.8 25.8 25.8 # 4 - # 1 20.7 20.7 20.7 See Notes on page 24. YORK INTERNATIONAL...
  • Page 29 # 6 - # 2 17.8 17.8 17.8 4/0 - 300 58.6 58.6 58.6 3/0 - 250 54.2 54.2 54.2 # 2 - 1/0 31.5 31.5 31.5 # 2 - 1/0 25.8 25.8 25.8 # 4 - # 1 20.7 20.7 20.7 YORK INTERNATIONAL...

  • Page 30: Optional Single Point Power (Models Ycul0046 - Ycul0066)

    1/0 - 3/0 1/0 - 3/0 1/0 - 3/0 # 1 - 2/0 # 1 - 2/0 # 1 - 2/0 # 2 - 1/0 # 2 - 1/0 # 2 - 1/0 See Notes on page 24. YORK INTERNATIONAL...
  • Page 31 — — 55.0 55.0 — — 50.9 50.9 — — 50.9 50.9 — — 29.6 29.6 — — 29.6 29.6 — — 24.2 24.2 — — 24.2 24.2 — — 19.4 19.4 — — 19.4 19.4 — — YORK INTERNATIONAL...

  • Page 32: Optional Single Point Power (Models Ycul0076 - Ycul0090)

    500 - (2) 4/0 500 - (2) 4/0 0090SC 4/0 - 300 4/0 - 300 4/0 - 300 3/0 - 250 3/0 - 250 3/0 - 250 1/0 - 3/0 1/0 - 3/0 1/0 - 3/0 See Notes on page 24. YORK INTERNATIONAL...
  • Page 33 22.3 22.3 20.8 20.8 20.8 17.8 17.8 17.8 58.6 58.6 58.6 58.6 58.6 58.6 54.2 54.2 54.2 54.2 54.2 54.2 31.5 31.5 31.5 31.5 31.5 31.5 25.8 25.8 25.8 25.8 25.8 25.8 20.7 20.7 20.7 20.7 20.7 20.7 YORK INTERNATIONAL...

  • Page 34: Operational Limitations

    1. Standard units cannot be operated below 40°F (4.45°C) leaving chilled water temperature. 2. For leaving water temperature higher than 55°F (12.78°C), contact the nearest YORK Office for application guidelines. 3. The evaporator is protected against freeze-up to -20.0°F (-28.91°C) with an electrical heater as standard.
  • Page 35 FORM 150.63-NM1 This page is intentionally left blank. YORK INTERNATIONAL...

  • Page 36: Physical Data (English)

    2. Operating Refrigerant Charge is for Condensing Unit only, does not include refrigerant lines and evaporator coil. Final charge will be determined by refrigerant line sizes and lengths. Refrigerant charges should be verified under full load conditions. Refer to “Checking Superheat and Subcooling” in the manual. YORK INTERNATIONAL...
  • Page 37 1140 1140 47360 46080 55253 55253 54550 53760 3358 3640 3932 4030 4259 4432 3745 4318 4459 4633 4937 5224 46.8/42.1 56.2/56.2 58.5/48.4 58.5/58.5 71.8/64.7 78.0/78.0 58.4/58.4 87.6/87.6 68.1/68.1 68.1/68.1 102.2/102.2 102.2/102.2 3.5/2.1 3.5/3.5 3.2/3.0 3.2/3.2 5.2/3.2 5.2/5.2 YORK INTERNATIONAL...

  • Page 38: Physical Data (Metric)

    2. Operating Refrigerant Charge is for Condensing Unit only, does not include refrigerant lines and evaporator coil. Final charge will be determined by refrigerant line sizes and lengths. Refrigerant charges should be verified under full load conditions. Refer to “Checking Superheat and subcooling” in the manual. YORK INTERNATIONAL...
  • Page 39 25744 25371 1523 1651 1783 1828 1932 2010 1699 1959 2023 2101 2239 2369 2.7/2.7 2.7/2.7 2.7/2.7 2.7/2.7 2.7/2.7 2.7/2.7 28.9/19.5 25.7/25.7 26.5/21.8 26.5/26.5 32.8/29.6 35.9/35.9 26.5/26.5 39.7/39.7 30.9/30.9 30.9/30.9 46.4/46.4 46.4/46.4 13/8 13/13 12/11.4 12.0/12.0 20/12 20/20 YORK INTERNATIONAL...

  • Page 40: Dimensions (English)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 41 7/8" O.D. STOP VALVE LIQUID CONN. 24-1/4" 9-3/8" (2) 3" X 3" RIGGING HOLES (EACH SIDE) 80-7/16" 14-11/16" 7-3/8" 3-3/16" 105-1/8" LD05670 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 16SC 1740 52.9 29.0 25.7 YORK INTERNATIONAL...

  • Page 42: Model Ycul0026C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 43 29" LIQUID CONN. STOP VALVE 24-1/4" 9-3/8" (2) 3" X 3" RIGGING HOLES (EACH SIDE) 14-11/16" 80-7/16" 5-1/4" 3-3/16" 105-1/8" SIDE VIEW LD05674 MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 26SC 1750 52.9 29.0 25.6 YORK INTERNATIONAL...

  • Page 44: Model Ycul0030C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 45 7/8" O.D. 29" LIQUID CONN. 25-3/4" 10-15/16" (2) 3" X 3" RIGGING HOLES (EACH SIDE) 14-11/16" 80-7/16" 5-15/16" 3-1/4" 105-1/8" LD05678 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 30SC 1886 53.6 29.2 32.6 YORK INTERNATIONAL...

  • Page 46: Model Ycul0036C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 47 7/8" O.D. 29" LIQUID CONN. 25-3/4" 11" (2) 3" X 3" RIGGING HOLES (EACH SIDE) LD05682 80-7/16" 14-11/16" 4-3/4" 3-1/4" 105-1/8" SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 36SC 2017 53.8 29.3 33.3 YORK INTERNATIONAL...

  • Page 48: Model Ycul0040C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 49 29" 7/8" O.D. LIQUID CONN. 26-3/4" 11" (2) 3" X 3" RIGGING HOLES (EACH SIDE) 14-11/16" 80-7/16" 5-15/16" 3-1/4" 105-1/8" LD05686 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 40SC 2171 51.4 30.2 32.2 YORK INTERNATIONAL...

  • Page 50: Model Ycul0046C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 51 SYS. 1 LIQ. 33-13/16" 7-3/16" STOP VALVE (2) 3" x 3" RIGGING HOLES (EACH SIDE) 6-15/16" 24-1/4" 70-1/2" 9-13/16" 28-1/2" 119" LD05690 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 46SC 3205 60.4 40.3 34.2 YORK INTERNATIONAL...

  • Page 52: Model Ycul0056C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 53 SYS. 1 LIQ. 33-13/16" 7-3/16" STOP VALVE (2) 3" x 3" RIGGING HOLES (EACH SIDE) 6-15/16" 24-1/4" 70-1/2" 9-13/16" 28-1/2" 119" SIDE VIEW LD05694 MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 56SC 3293 60.6 40.3 33.7 YORK INTERNATIONAL...

  • Page 54: Model Ycul0060C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 55 SYS. 1 LIQ. 33-13/16" 7-3/16" STOP VALVE (2) 3" x 3" RIGGING HOLES (EACH SIDE) 6-11/16" 24-1/4" 70-1/2" 9-13/16" 28-1/2" 119" LD05698 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 60SC 3358 60.7 40.5 33.4 YORK INTERNATIONAL...

  • Page 56: Model Ycul0066C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 57 SYS. 1 LIQ. 33-13/16" 5-7/8" STOP VALVE (2) 3" x 3" RIGGING HOLES (EACH SIDE) 6-15/16" 24-1/4" 70-1/2" 9-13/16" 27-3/16" 119" LD05702 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 66SC 3940 61.0 40.3 35.1 YORK INTERNATIONAL...

  • Page 58: Model Ycul0076C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 59 HOLES (EACH SIDE) 24-1/4" 70-1/2" 3-5/16" SYS. 1; 3-3/16" SYS. 2 7-7/8" SYS. 1; 11-9/16" SYS. 2 119" LD05706 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 76SC 1021 1021 3932 57.6 46.2 35.8 YORK INTERNATIONAL...

  • Page 60: Model Ycul0080C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 61 HOLES (EACH SIDE) 24-1/4" 70-1/2" 3-5/16" SYS. 1; 3-3/16" SYS. 2 7-7/8" SYS. 1; 11-9/16" SYS. 2 119" LD05710 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 80SC 1045 1045 4030 57.6 45.7 35.7 YORK INTERNATIONAL...

  • Page 62: Model Ycul0086C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 63 HOLES (EACH SIDE) 24-1/4" 70-1/2" 3-3/16" SYS. 1; 3-1/4" SYS. 2 6-13/16" SYS. 1; 11-9/16" SYS. 2 119" LD05714 SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 86SC 1099 1030 1099 1030 4259 57.9 46.1 36.7 YORK INTERNATIONAL...

  • Page 64: Model Ycul0090C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 65 HOLES (EACH SIDE) 24-1/4" 70-1/2" 3-3/16" SYS. 1; 3-1/4" SYS. 2 10" SYS. 1; 14-3/8" SYS. 2 LD05718 119" SIDE VIEW MODEL WEIGHT DISTRIBUTION (LBS.) CENTER OF GRAVITY (in.) YCUL00 TOTAL 90SC 1142 1074 1142 1074 4432 57.9 45.7 36.5 YORK INTERNATIONAL...

  • Page 66: Dimensions (Metric)

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 67 STOP VALVE 1737 35 O.D. SUCT. CONN. SUCTION 22 O.D. STOP VALVE LIQUID CONN. (2) 76 X 76 RIGGING HOLES (EACH SIDE) 2043 2671 LD05722 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 16SC 1343 YORK INTERNATIONAL...

  • Page 68: Model Ycul0026C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 69 STOP VALVE 1737 41 O.D. SUCT. CONN. 22 O.D. SUCTION LIQUID CONN. STOP VALVE (2) 76 X 76 RIGGING HOLES (EACH SIDE) 2043 2671 SIDE VIEW LD05726 MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 26SC 1344 YORK INTERNATIONAL...

  • Page 70: Model Ycul0030C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 71 54 O.D LIQUID SUCT. CONN STOP VALVE SUCTION STOP VALVE 22 O.D. LIQUID CONN. (2) 76 X 76 RIGGING HOLES (EACH SIDE) 2043 2671 LD05730 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 30SC 1361 YORK INTERNATIONAL...

  • Page 72: Model Ycul0036C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 73 54 O.D. LIQUID SUCT. CONN. STOP VALVE SUCTION STOP VALVE 22 O.D. LIQUID CONN. (2) 76 X 76 RIGGING HOLES (EACH SIDE) LD05734 2043 2671 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 36SC 1367 YORK INTERNATIONAL...

  • Page 74: Model Ycul0040C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 75 54 O.D. LIQUID SUCT. CONN STOP VALVE SUCTION STOP VALVE 22 O.D. LIQUID CONN. (2) 76 X 76 RIGGING HOLES (EACH SIDE) 2043 LD05738 2671 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 40SC 1306 YORK INTERNATIONAL...

  • Page 76: Model Ycul0046C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 77 SYS. 1 & 2 LIQ. CONN. 54 SUCT. CONN. SYS. 1 LIQ. STOP VALVE (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 2997 LD05742 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 46SC 1454 1534 1022 YORK INTERNATIONAL...

  • Page 78: Model Ycul0056C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 79 SYS. 1 & 2 54 SUCT. CONNS. SYS. 1 LIQ. STOP VALVE (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 LD05746 3023 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 56SC 1494 1538 1022 YORK INTERNATIONAL...

  • Page 80: Model Ycul0060C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 81 SYS. 1 & 2 54 SUCT. CONN. SYS. 1 LIQ. STOP VALVE (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 3023 LD05750 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 60SC 1523 1541 1030 YORK INTERNATIONAL...

  • Page 82: Model Ycul0066C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 83 SYS. 1 & 2 54SUCT. CONNS. SYS. 1 LIQ. STOP VALVE (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 LD05754 3023 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 66SC 1651 1550 1022 YORK INTERNATIONAL...

  • Page 84: Model Ycul0076C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 85 (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 84 SYS. 1; 81 SYS. 2 200 SYS. 1; 294 SYS. 2 3023 LD05758 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 76SC 1783 1462 1172 YORK INTERNATIONAL...

  • Page 86: Model Ycul0080C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 87 (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 84 SYS. 1; 81 SYS. 2 200 SYS. 1; 294 SYS. 2 LD05762 3023 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 80SC 1828 1463 1161 YORK INTERNATIONAL...

  • Page 88: Model Ycul0086C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 89 (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 LD05766 81 SYS. 1; 83 SYS. 2 173 SYS. 1; 294 SYS. 2 3023 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 86SC 1932 1469 1171 YORK INTERNATIONAL...

  • Page 90: Model Ycul0090C

    Site restrictions may compromise minimum clearances indicated below, resulting in unpredictable 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 performance degradation.
  • Page 91 (2) 76 x 76 RIGGING HOLES (EACH SIDE) 1791 81 SYS. 1; 83 SYS. 2 LD05770 254 SYS. 1; 365 SYS. 2 3023 SIDE VIEW MODEL WEIGHT DISTRIBUTION (kg) CENTER OF GRAVITY (mm) YCUL00 TOTAL 90SC 2010 1471 1160 YORK INTERNATIONAL...

  • Page 92: Pre-Startup Checklist

    Fan Control On-Pressure G 10. Check for proper size fuses in main and control Fan Differential Off-Pressure Total # of Compressors circuits. G 11. Assure 120VAC Control Power to CTB2 has 15 A minimum capacity. See Table 7. YORK INTERNATIONAL...

  • Page 93: Initial Start-Up

    Systems are programmed for “ON” (refer to Liquid line pressure = Option 2 under “Unit Keys” section for more in- 202 PSIG converted to 102°F formation on system switches). minus liquid line temp. - 87°F SUBCOOLING = 15°F YORK INTERNATIONAL...

  • Page 94: Leak Checking

    (or suction Example: pressure) the chiller is ready to be placed into opera- Suction Temp = 46°F tion. minus Suction Press 60 PSIG converted to Temp - 34°F Superheat = 12°F YORK INTERNATIONAL...

  • Page 95: Unit Operating Sequence

    180 seconds, which ever comes first. 4. Several seconds after the compressor starts, that sys- tems first condenser fan will be cycled on (outdoor YORK INTERNATIONAL...

  • Page 96: Section 3 Unit Controls

    YORK MILLENNIUM CONTROL CENTER 00065VIP INTRODUCTION MICROPROCESSOR BOARD The YORK MicroComputer Control Center is a micro- The Microprocessor Board is the controller and deci- processor based control system designed to provide the sion maker in the control panel. System inputs such as entire control for the condensing unit.
  • Page 97 2 seconds. Fault Status. Display Messages may show characters indicating “greater than” (>) or “less than” (<). These characters indicate the actual values are greater than or less than the limit values which are being displayed. YORK INTERNATIONAL...

  • Page 98: "Status" Key

    Control Mode is programmed for Dis- S H U T D O W N charge Air Temperature control. The DAILY SCHEDULE SHUTDOWN message indi- cates that the daily/holiday schedule programmed is keeping the unit from running. YORK INTERNATIONAL...
  • Page 99 Therefore, it is important to keep in mind that this control will not function unless the optional discharge transducer is in- stalled in the system. YORK INTERNATIONAL...
  • Page 100 However, if 3 faults on +/- 5 PSIG (1.59 barg +/- .34 barg), and closes at 35 the same system occur within 90 minutes, that system PSIG +/- 5 PSIG (2.62 barg +/- .34 barg). YORK INTERNATIONAL...
  • Page 101 If a low battery is detected, it should be replaced as 2° above the cutoff. soon as possible. The programmed values will all be lost and the unit will be prevented from running on the next power interruption. The RTC/battery is located at U17 on the microboard. YORK INTERNATIONAL...

  • Page 102: Table 11 - Status Message Quick Reference Table

    System X Suct Limiting System X % Load Limiting Manual Overide Status System X Pumping Down Only displayed when unit control mode programmed for Discharge Air Temperature. ** Only displayed when unit control mode programmed for Suction Pressure. YORK INTERNATIONAL...

  • Page 103: "Display/Print" Keys

    DOWN arrow keys located under the “ENTRY” 8 7 . 5 ° F section. This display shows the ambient air temperature. The minimum limit on the display is 0.4°F (-17.6°C). The maximum limit on the display is 131.2°F (55.1°C). YORK INTERNATIONAL...
  • Page 104 The first display shows accumulated running hours of system 2 switches to the lead system each compressor for the specific system. The second when programmed for AUTOMATIC message shows the number of starts for each compres- sor on each system. LEAD/LAG. YORK INTERNATIONAL...
  • Page 105 However, stage 3 may be shown in this display *PWM TEMP – EMS-PWM temperature reset without a low ambient kit added, but it has no effect. See the section on Condenser Fan Control in the Unit Operation section. Refer to the section on Operating Controls YORK INTERNATIONAL...

  • Page 106: Table 12 - Operation Data Quick Reference Table

    *System X Number of Compressors Running *System X Run Time Sys 1 LLSV & HGSV Status *System X Condenser Fan Staging LD04504 Block of information repeats for each system ** Only displayed when Control Mode programmed for Discharge Air Temperature YORK INTERNATIONAL...
  • Page 107 OPERATING DATA PRINTOUT tion. Pressing the PRINT key and then OPER DATA key al- lows the operator to obtain a printout of current system SYSTEM 1 DATA YORK INTERNATIONAL CORPORATION MILLENNIUM CONDENSING UNIT COMPRESSORS STATUS RUN TIME 0- 0- 0- 0 D-H-M-S...
  • Page 108 Pressing the PRINT key and then the HISTORY key allows the operator to obtain a printout of information YORK INTERNATIONAL CORPORATION relating to the last 6 Safety Shutdowns which occurred. MILLENNIUM CONDENSING UNIT...
  • Page 109 Explanation of the above displays are covered under F A N D I F F E R E N C I A L the STATUS, DISPLAY/PRINT, SETPOINTS, or UNIT P R E S S U R E = P S I G keys. YORK INTERNATIONAL...

  • Page 110: "Entry" Keys

    UP and DOWN arrow keys. The UP and DOWN arrow keys are 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. YORK INTERNATIONAL...

  • Page 111: Setpoint Keys

    Control) will be displayed for a few seconds, and then to the locally programmed cooling setpoint). However, the setpoint entry screen will be displayed. Unit must first be programmed for “Unit Type – Condensing Unit” under the Option Key to allow programming of appropriate setpoints. YORK INTERNATIONAL...
  • Page 112 P S I G sired RANGE setpoint. After adjusting the setpoint, the R A N G E = + / - P S I G ENTER/ADV key must be pressed to enter the data into memory. (Suction Pressure control) YORK INTERNATIONAL...
  • Page 113 The Holiday schedule must be programmed weekly - once the holiday schedule runs, it will revert to the nor- is then repeated if necessary. This process may be fol- lowed until the hour, minutes, and meridian (AM or mal daily schedule. YORK INTERNATIONAL...

  • Page 114: Table 13 - Cooling Setpoints Programmable Limits

    In effect, this is the minimum time start-to-start on the charge pressure regardless of whether or not the op- respective systems number one compressor. tional discharge pressure is installed. YORK INTERNATIONAL...

  • Page 115: Table 14 - Program Key Limits & Defaults

    Tables 21, 22, and 23, 24. The Fan Control On Pres- sure is designated as ctrl_press in the tables. This must be programmed correctly to assure proper chiller operation. YORK INTERNATIONAL...

  • Page 116: Table 15 - Setpoints Key Quick Reference Table

    Setpoint Pressure & Cutout Range Remote Setpoint Low Ambient Temp. & Cutout Range (Display Only) Anti-Recycle EMS - PWM Timer Remote Temperature Reset Setpoint (Discharge Air Temp mode only) Fan Control On-Pressure Fan Differential Off-Pressure Numbers Compressors LD04297 YORK INTERNATIONAL...

  • Page 117: "Unit" Keys

    S Y S S W I T C H The unit type selected will determine S Y S S W I T C H the available Control Modes program- mable under Option 6. This allows both systems to run. YORK INTERNATIONAL...
  • Page 118 L E A D Unit control is based on discharge air temperature. This mode of control will only be available if Condensing SYS 2 selected as lead compressor. Unit was selected under Option 3 - Unit Type. – or – YORK INTERNATIONAL...
  • Page 119 E N A B L E D Manual Override Mode is enabled. This is a service function and when enabled, will allow the unit to start when shut down on the daily schedule. It will automati- cally be disabled after 30 minutes. YORK INTERNATIONAL...

  • Page 120: Table 16 - Unit Keys Programming Quick Reference

    (chiller or condensing unit) Ambient Control (standard or low ambient) Local or Remote Mode Unit Control Mode (based on unit type) Display Units (english or metric) Lead/Lag Control Fan Control Mode Manual Overide Mode (enabled or disabled) LD04509 YORK INTERNATIONAL...

  • Page 121: Unit Operation

    51.5°F 52.5°F 53.0°F 55.0°F 57.0° (10.8°C) (11.4°C) (11.7°C) (12.8°C) (13.9°C) Low Limit Setpoint High limit Discharge Air Temperature Control – Compressor Staging Setpoint = 55.0°F (7.8°C) Range = +10°F (5.5°C) FIG. 10 – DISCHARGE AIR TEMPERATURE CONTROL YORK INTERNATIONAL...

  • Page 122: Table 17 - Discharge Air Temperature Control

    LEAD SYSTEM LAG SYSTEM *STEP COMP 1 COMP 2 COMP 1 COMP 2 ON+HG SEE NOTE 1 SEE NOTE 2 SEE NOTE 3 * STEP can be viewed using the OPER DATA key and scrolling to COOLING DEMAND. YORK INTERNATIONAL...

  • Page 123: Table 19 - Discharge Air Temperature Control

    SP, the Hot Gas Bypass solenoid is turned off when the DAT > SP + CR/2. 2. Step 3 is skipped when loading occurs. 3. Step 4 is skipped when unloading occurs. * STEP can be viewed using the OPER DATA key and scrolling to COOLING DEMAND. YORK INTERNATIONAL...
  • Page 124 (no compressor staging) loading 67 PSIG (4.6 BAR) 73 PSIG (5.0 BAR) Setpoint 70 PSIG (4.8 BAR) Setpoint = 70 PSIG (4.8 BAR) Control Range = 3 PSIG ( 20.7 kPa) FIG. 11 – SUCTION PRESSURE CONTROL YORK INTERNATIONAL...

  • Page 125: Table 21 - Condenser Fan Control Using Outdoor Ambient Temperature And Discharge Pressure

    TABLE 22 – CONDENSER FAN CONTROL USING DISCHARGE PRESSURE ONLY FAN STAGE FANS Stage 1 DP > ctrl_press DP < ctrl_press - diff_press 1 FWD. Stage 2 DP > ctrl_press + 20 PSIG (1.38 Bars) DP < ctrl_press - diff_press + 20 PSIG (1.38 Bars) 2 FWD. YORK INTERNATIONAL...

  • Page 126: Table 23 - Low Ambient Condenser Fan Control - Ambient Temperature And Discharge Pressure Control

    DP > ctrl_press + 20 PSIG (1.38 Bars) DP < ctrl_press - diff_press + 20 PSIG (1.38 Bars) 1 FWD. Stage 3 DP > ctrl_press + 40 PSIG (2.76 Bars) DP < ctrl_press - diff_press + 40 PSIG (2.76 Bars) 2 FWD. YORK INTERNATIONAL...

  • Page 127: Table 25 - Compressor Operation - Load Limiting

    The second stage of limit- running in that system. ing is 33% and is only available on 3 and 6 compressor TABLE 25 – COMPRESSOR OPERATION – LOAD LIMITING COMPRESSORS IN UNIT STAGE 1 STAGE 2 – – YORK INTERNATIONAL...
  • Page 128 So...the new reset Cooling Setpoint = 12.8 °C + 2.8 °C = 15.6 °C. This can be viewed by pressing the Cooling Setpoint = 55°F + 12 °F = 67°F Setpoints key twice. The new value will be displayed as “REM SETP = 15.6 °C.” YORK INTERNATIONAL...
  • Page 129 The coil of any added relay used for reset must be suppressed to prevent (English) possible component damage. Use 8 mA x 10°F °reset = = 5°F reset YORK P/N 031-00808-000 suppressor. setpoint = 55°F + 5°F = 60°F YORK INTERNATIONAL...

  • Page 130: Clearing History Buffers

    Evaporator Heater is used to advance through the digital outputs. Using only apply to units configured as chill- the UP/DOWN ARROW keys will turn the respective ers and do not apply to condensing digital output on/off. units. YORK INTERNATIONAL...

  • Page 131: Service Mode - Inputs

    SYS 2 MP / HPCO INPUT The suction pressure transducer is optional on YCUL0016 - YCUL0066. A low pressure switch is standard on these models in place of the suction transducer. ** The discharge pressure transducer is optional on all models. YORK INTERNATIONAL...

  • Page 132: Table 26 - Microboard Binary Inputs

    DISCHARGE AIR TEMP SENSOR (YCUL ONLY) SYS 2 SUCT PRESS TRANSDUCER J7-10 OR SYS 2 LOW PRESS SWITCH J7-11 SPARE SYS 2 DISCHARGE PRESSURE TRANSDUCER J7-12 (OPTIONAL) J8-5 SYS 1 GROUND FAULT CIRCUIT J8-6 SYS 2 GROUND FAULT CIRCUIT YORK INTERNATIONAL...
  • Page 133 FORM 150.63-NM1 EPROM CHIP ON/OFF JUMPER 00071VIP FIG. 13 – MICROBOARD LAYOUT YORK INTERNATIONAL...

  • Page 134: Control Inputs And Outputs

    Outside Air Sensor J6-4 = +5 VDC regulated supply to sensor. J6-7 = VDC input signal to the microboard. See Table 29 for voltage readings that corre- spond to specific outdoor temperatures. J6-1 = Drain (shield connection = 0 VDC) YORK INTERNATIONAL...

  • Page 135: Table 30 - Discharge Air Temperature Sensor - Temperature/Voltage/Resistance Correlation

    3.27 7017 3.33 6647 3.39 6298 3.45 5970 3.51 5661 3.56 5370 3.61 5096 3.67 4837 3.72 4593 3.76 4363 3.81 4145 3.86 3941 3.90 3747 3.94 3564 3.98 3392 4.02 3228 4.06 3074 4.10 2928 4.13 2790 YORK INTERNATIONAL...

  • Page 136: Table 31 - Suction Temperature Sensor - Temperature/Lt Voltage/Resistance Correlation

    3.27 7017 3.33 6647 3.39 6298 3.45 5970 3.51 5661 3.56 5370 3.61 5096 3.67 4837 3.72 4593 3.76 4363 3.81 4145 3.86 3941 3.90 3747 3.94 3564 3.98 3392 4.02 3228 4.06 3074 4.10 2928 4.13 2790 YORK INTERNATIONAL...

  • Page 137: Pressure

    J7-8 = +5 VDC return age output of the transducer. All voltage reading are in J7-9 = Drain (shield connection = 0 VDC) reference to ground (unit case). YORK INTERNATIONAL...

  • Page 138: Digital Outputs

    120 VAC is supplied to the microboard via connections spond to specific suction pressures. at TB3-1, TB3-7, TB4-3, and TB4-7. Figure 14 illus- J7-1 = +5 VDC return trates the relay contact architecture on the microboard. J7-2 = drain (shield connection = 0 VDC) YORK INTERNATIONAL...

  • Page 139: Keypad

    1 TO 8 UP ARROW 2 TO 5 DOWN ARROW 2 TO 7 ENTER/ADV 2 TO 6 COOLING SETPOINTS 2 TO 8 SCHEDULE/ADVANCE DAY 3 TO 5 PROGRAM 3 TO 7 OPTIONS 3 TO 6 CLOCK 3 TO 8 YORK INTERNATIONAL...

  • Page 140: Optional Printer Installation

    The part number for the printer that is packaged spe- the keypad and then pressing either the “OPER DATA” cifically for YORK is P/N 950915576. The cable to key or “HISTORY” key. connect the printer can either be locally assembled from the parts listed, or ordered directly from WEIGH- TRONIX under part number 287-040018.

  • Page 141: Troubleshooting

    4. Unplug connections at or pressure transducers. Microboard to isolate. 5. Defective Microboard 5. Replace Microboard. or Display board. NOTE: Contact YORK Service before Replacing circuit boards! “FLOW SWITCH/REM 1. No air flow. 1. Check air flow. STOP NO RUN PERMISSIVE”...
  • Page 142 2. Too much refrigerant. 2. Remove refrigerant. 3. Air in refrigerant system. 3. Evacuate and recharge system. 4. Defective discharge 4. Replace discharge pressure pressure transducer. transducer. Refer to Service section for pressure/voltage formula. CONT’D YORK INTERNATIONAL...
  • Page 143 4. Compressor failure 4. Diagnose cause of failure and replace. LACK OF COOLING EFFECT 1. Dirty evaporator surface. 1. Contact the local YORK Low suction pressure will service representative. be observed. 2. Improper CFM through the 2. Verify nominal 400 CFM/ton evaporator.

  • Page 144: Maintenance

    ON-BOARD BATTERY BACKUP oil sight glass. Note: at shutdown, the oil level can fall to the bottom limit of the oil sight glass. Use York “F” U17 is the Real Time Clock chip that main- oil when adding oil to compressor.

  • Page 145: Isn Control

    Data must be transmitted for every ISN page under fea- ture 54. If there is no value to be sent to a particular page, a zero will be sent. Tables 37 – 38 show the data values and page listings for this unit. YORK INTERNATIONAL...

  • Page 146: Table 38 - Isn Transmitted Data

    The operational and fault codes sent to ISN Pages 56 through 59 are defined in Table 39. 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. YORK INTERNATIONAL...

  • Page 147: Table 39 - Isn Operational And Fault Codes

    LOW MOTOR CURRENT /MP / HPCO CURRENT LIMITING MOTOR CURRENT UNBALANCED LOAD LIMITING LOW DIFFERENTIAL OIL PRESSURE COMPRESSOR(S) RUNNING GROUND FAULT MP /HPCO LOW EVAPORATOR TEMPERATURE INCORRECT REFRIGERANT PROGRAMMED POWER FAILURE, MANUAL RESET REQUIRED I/O BOARD FAILURE OIL TEMP INHIBIT (LOW OIL TEMP) YORK INTERNATIONAL...

  • Page 148: Section 5 Elementary Diagrams

    Elementary Diagrams ELEMENTARY DIAGRAM YCUL0016 - 0036 FIG. 16 – ELEMENTARY DIAGRAM (MODELS YCUL0016 – YCUL0036) YORK INTERNATIONAL...
  • Page 149 FORM 150.63-NM1 ELEMENTARY DIAGRAM YCUL0016 - 0036 FIG. 16 (CONTINUED) – ELEMENTARY DIAGRAM (MODELS YCUL0016 – YCUL0036) YORK INTERNATIONAL...
  • Page 150 Elementary Diagrams ELEMENTARY DIAGRAM YCUL0016 - 0036 LD04556 FIG. 16 (CONTINUED) – ELEMENTARY DIAGRAM (MODELS YCUL0016 – YCUL0036) YORK INTERNATIONAL...
  • Page 151 FORM 150.63-NM1 This page is intentionally left blank. YORK INTERNATIONAL...

  • Page 152: Ycul0040

    Elementary Diagrams ELEMENTARY DIAGRAM YCUL0040 FIG. 17 – ELEMENTARY DIAGRAM (MODEL YCUL0040) YORK INTERNATIONAL...
  • Page 153 FORM 150.63-NM1 ELEMENTARY DIAGRAM YCUL0040 FIG. 17 (CONTINUED) – ELEMENTARY DIAGRAM (MODEL YCUL0040) YORK INTERNATIONAL...
  • Page 154 Elementary Diagrams ELEMENTARY DIAGRAM YCUL0040 LD04557 FIG. 17 (CONTINUED) – ELEMENTARY DIAGRAM (MODEL YCUL0040) YORK INTERNATIONAL...
  • Page 155 FORM 150.63-NM1 This page is intentionally left blank. YORK INTERNATIONAL...

  • Page 156: Ycul0046 - Ycul0066

    Elementary Diagrams ELEMENTARY DIAGRAM YCUL0046 - 0066 FIG. 18 – ELEMENTARY DIAGRAM (MODELS YCUL0046 – YCUL0066) YORK INTERNATIONAL...
  • Page 157 FORM 150.63-NM1 ELEMENTARY DIAGRAM YCUL0046 - 0066 FIG. 18 (CONTINUED) – ELEMENTARY DIAGRAM (MODELS YCUL0046 – YCUL0066) YORK INTERNATIONAL...
  • Page 158 Elementary Diagrams ELEMENTARY DIAGRAM YCUL0046 - 0066 LD04558 FIG. 18 (CONTINUED) – ELEMENTARY DIAGRAM (MODELS YCUL0046 – YCUL0066) YORK INTERNATIONAL...
  • Page 159 FORM 150.63-NM1 This page is intentionally left blank. YORK INTERNATIONAL...

  • Page 160: Ycul0076 - Ycul0090

    Elementary Diagrams ELEMENTARY DIAGRAM YCUL0076 - 0090 FIG. 19 – ELEMENTARY DIAGRAM (MODELS YCUL0076 – YCUL0090) YORK INTERNATIONAL...
  • Page 161 FORM 150.63-NM1 ELEMENTARY DIAGRAM YCUL0076 - 0090 FIG. 19 (CONTINUED) – ELEMENTARY DIAGRAM (MODELS YCUL0076 – YCUL0090) YORK INTERNATIONAL...
  • Page 162 Elementary Diagrams ELEMENTARY DIAGRAM YCUL0076 - 0090 LD04559 FIG. 19 (CONTINUED) – ELEMENTARY DIAGRAM (MODELS YCUL0076 – YCUL0090) YORK INTERNATIONAL...
  • Page 163 FORM 150.63-NM1 This page is intentionally left blank. YORK INTERNATIONAL...

  • Page 164: Aluminum Coils

    ISOLATOR SPRING IDENTIFICATION TABLE 1" DEFLECTION SEISMIC MODEL PART # COLOR MODEL PART # COLOR CP-1-26 308439-26 PURPLE AEQM-95 30155-95 CP-1-27 308439-27 ORANGE AEQM-96 301055-96 BLACK CP-1-28 308439-28 GREEN AEQM-98 301055-98 GRAY CP-1-31 308439-31 GRAY AEQM-1000 301060-1000 GREEN CP-2-26 308692-26 PURPLE YORK INTERNATIONAL...

  • Page 165: Copper Coils

    PART # COLOR CP-1-26 308439-26 PURPLE AEQM-96 301055-96 BLACK CP-1-27 308439-27 ORANGE AEQM-97 301055-97 WHITE CP-1-28 308439-28 GREEN AEQM-98 301055-98 GRAY CP-1-31 308439-31 GRAY AEQM-1000 301060-1000 GREEN CP-2-26 308692-26 PURPLE AEQM-1300 301060-1300 YELLOW CP-2-27 308692-27 ORANGE AEQM-1600 301060-1600 GRAY YORK INTERNATIONAL...

  • Page 166: Isolator Dimensions

    Appendix 1 ISOLATOR DIMENSIONS TYPE CP-1 AND CP-2 LD03839 FIG. 20 – TYPE CP 1 LD03840 FIG. 21 – TYPE CP 2 YORK INTERNATIONAL...

  • Page 167: R-Spring Seismic Isolators

    AEQM-1000 8-½ 6-½ 4-½ ¾ ½ AEQM-1300 8-½ 6-½ 4-½ ¾ ½ AEQM-1600 8-½ 6-½ 4-½ ¾ ½ AEQM-1625 8-½ 6-½ 4-½ ¾ ½ AEQM-1628 8-½ 6-½ 4-½ ¾ ½ LD04045 FIG. 22 – R SPRING SEISMIC ISOLATORS YORK INTERNATIONAL...

  • Page 168: Isolator Installation And Adjustment

    4. Set the machine or base on the mountings. The tion, and shims are required. This completes ad- weight of the machine will cause the upper hous- justment. LD03837 FIG. 23 – TYPE CP MOUNTING YORK INTERNATIONAL...

  • Page 169: Aeqm Spring-Flex Mounting

    “**” is no more than 1/4". plates “A”. A 1/4" maximum difference in eleva- 10. Tighten cap screw “C”. Adjustment is complete. tion can be tolerated. LD03838 FIG. 24 – “AEQM” SPRING-FLEX MOUNTING YORK INTERNATIONAL...
  • Page 170 YORK INTERNATIONAL...

  • Page 171: York Service Offices (North America)

    (502) 499-6020 WASHINGTON Seattle CANADA Ottawa, Ontario Toronto, Ontario Laval, Quebec YORK International Corp. (613) 596-9111 (905) 890-6812 (514) 387-6000 (206) 251-9145 YORK Applied Systems field office listing subject to change. See us on the web at http://www.york.com for additional information.
  • Page 172 Tele. 800-851-1001 P.O. Box 1592, York, Pennsylvania USA 17405-1592 Subject to change without notice. Printed in USA www.york.com Copyright © by York International Corporation 2000 ALL RIGHTS RESERVED Form 150.63-NM1 (700) Supersedes: 150.63-NM1 (699)

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