York ECO R-22 User Manual
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York ECO R-22 User Manual

Eco2 packaged rooftop air conditioning units, 50 through 100 tons r-407c and r-22 400vac/3ph/50hz
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FORM 100.50-EG3 (802)
TM
Packaged Rooftop
Air Conditioning Units
00566VIP
ASHRAE
90.1
COMPLIANT
50 THROUGH 100 TONS
R-407C and R-22
400VAC/3PH/50Hz
Meets ASHRAE 90.1 - 2001
Efficiency Requirements

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Summary of Contents for York ECO R-22

  • Page 1 FORM 100.50-EG3 (802) Packaged Rooftop Air Conditioning Units 00566VIP ASHRAE 90.1 COMPLIANT 50 THROUGH 100 TONS R-407C and R-22 400VAC/3PH/50Hz Meets ASHRAE 90.1 - 2001 Efficiency Requirements...

  • Page 2: Introduction

    The OptiLogic Control Center uses microprocessor logic to opti- mize operation of the eco HFC-407C Refrigerant for the Global Environment level within LD07431 rooftop unit. LD07430 YORK INTERNATIONAL...

  • Page 3: Table Of Contents

    17 Component Static Pressure Drops ... 40 18 Gas Heat Pressure Drops ... 44 19 Electric Heat Pressure Drops ... 46 YORK INTERNATIONAL TABLE OF CONTENTS 20 60 Through 65 Ton Exhaust Fan Data ... 48 21 70 Through 85 Ton Exhaust Fan Data ... 49 22 90 Through 95 Ton Exhaust Fan Data ...

  • Page 4: Features And Benefits

    • FlexSys Underfloor Air System Configuration – the eco rooftop is the first packaged rooftop product with designs specifically for use with the YORK Flex- Sys underfloor air system. Ask your local YORK representative for more information. Indoor Air Quality (IAQ) •...
  • Page 5 OptiLogic continually monitors all control setpoints and configurations. If a unit sensor fails, the con- troller indicates an alarm. If desired, YORK service can provide remote monitoring and automatically schedule a service technician to make the repair and maintain your comfort.
  • Page 6 STAINLESS STEEL SIDES OF UNIT IAQ DRAIN AND TIE BACKS PAN AND FOR UNIT INTERMEDIATE SERVICING DRAIN PAN ANGLED EVAPORATOR COIL FOR LOWER FACE VELOCITIES RAINHOODS TO PREVENT MOISTURE FROM ENTERING THE UNIT CENTRIFUGAL FAN POWERED EXHAUST 00567VIP YORK INTERNATIONAL...

  • Page 7: Nomenclature

    BASIC MODEL NUMBER 1 2 3 4 5 6 7 BASE PRODUCT TYPE NOMINAL CAPACITY : 50-ton : YORK : Packaged : 55-ton Rooftop : 60-ton : 65-ton : Air-Cooled : 70-ton : 75-ton : Scroll : 80-ton : 85-ton...

  • Page 8: Application Data

    (IGVs) for duct static pressure control. These con- trol supply duct pressure by modulating dampers (intro- ducing losses and inefficiencies) on the inlet of the fan, open and closed. YORK’s variable frequency drives (VFDs) offer superior fan speed control and quieter, energy efficient operation.
  • Page 9 In areas where chemicals that can corrode copper are present, such as ammo- nia, YORK recommends that the black fin or Technicoat coating be used for maximum protection. Copper Fin Condenser Coil...
  • Page 10 Required Total Cooling Capacity 920 mbh + 71.3 mbh = 991 mbh Required Sensible Cooling Capacity 610 mbh + 71.3 mbh = 681 mbh 0.58 0.15 0.12 0.56 1.41 IWG YORK INTERNATIONAL...
  • Page 11 7. The high heat option for the YPAL085 provides 900 mbh of heat capacity with an input of 1,125 mbh. This is sufficient for the 875 mbh heating requirement. YORK INTERNATIONAL FORM 100.50-EG3 (802) 8. Determine net cooling and heating capacities if required.

  • Page 12: Physical Data

    0-33980 0-498 Pa 0-498 Pa 0-498 Pa 1140 4029 5799 4x15 4x10, 2x13 Scroll Scroll 4x25 4x15, 2x20 25-22 28-25 7.5-40 7.5-60 23785-45875 23785-54,367 0-995 Pa 0-995 Pa 15-15 18-18 5-20 10-20 0-33980 0-33980 0-498 Pa 0-498 Pa YORK INTERNATIONAL...
  • Page 13 Total Filter Face Area (Square Meters) Filters - 5.08cm Carbon (30% Efficient) Quantity Size (Length x Width) (Meters) Total Filter Face Area (Square Meters) Minimum OA Temp. for Mech. Cig. YORK INTERNATIONAL 5/4 /enhanced 5/4 /enhanced 5/4 /enhanced Prop. Prop.
  • Page 14 Scroll Scroll Scroll 6x16 4x18, 2x15 4x18, 2x15 28-25 28-28 28-28 7.5-60 7.5-60 7.5-60 30582-61164 30582-61164 30582-61164 0-995 Pa 0-995 Pa 0-995 Pa 18-18 18-18 18-18 10-20 10-20 10-20 0-33980 0-33980 0-33980 0-498 Pa 0-498 Pa 0-498 Pa YORK INTERNATIONAL...
  • Page 15 Total Filter Face Area (Square Meters) Filters - 5.08cm Carbon (30% Efficient) Quantity Size (Length x Width) (Meters) Total Filter Face Area (Square Meters) Minimum OA Temp. for Mech. Cig. YORK INTERNATIONAL 5/4 /enhanced 5/4 /enhanced 5/4 /enhanced Prop. Prop.

  • Page 16: Cooling Performance Data

    29.4°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 50 Ton Model – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 17 25485 29733 31148 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 18: Cooling Performance Data - 55 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 55 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 19 27184 32706 33980 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 20: Cooling Performance Data - 60 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 60 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 21 30582 35679 38228 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 22: Cooling Performance Data - 65 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 65 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 23 30582 35679 38228 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 24: Cooling Performance Data - 70 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 70 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 25 33980 37378 38228 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 26: Cooling Performance Data - 75 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 75 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 27 33980 37378 38228 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 28: Cooling Performance Data - 80 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 80 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 29 30582 37378 45307 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 30: Cooling Performance Data - 85 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 85 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 31 30582 37378 45307 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 32: Cooling Performance Data - 90 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 90 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 33 40776 45307 50970 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 34: Cooling Performance Data - 95 Ton Model

    CAPACITY (kW) AT ENTERING DRY BULB (°C) 35°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 95 Ton Model – – – – – – – – – – – – – – – – YORK INTERNATIONAL...
  • Page 35 40776 45307 50970 * Rated performance is at sea level. Cooling capacities are gross cooling capacity. YORK INTERNATIONAL 40.5°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) 46.1°C AIR ON CONDENSER COIL CAPACITY (kW) AT ENTERING DRY BULB (°C) FORM 100.50-EG3 (802)

  • Page 36: Heating Performance Data - Gas/Electric Heat

    47147 20-50 11808 47147 10-40 18944 47147 20-50 25740 56619 25-55 11808 47147 10-40 18944 47147 20-50 25740 56619 25-55 MAX TEMP RISE (m3/hr) (°C) 13,592 16,990 20,388 23,786 16,990 20,388 23,786 25,485 16,990 20,388 23,786 25,485 27,184 YORK INTERNATIONAL...

  • Page 37: Supply Fan Data

    14.9 32706 14.8 16.5 33980 15.7 17.4 37378 18.2 19.9 38228 18.9 20.7 40776 21.1 23.0 44174 24.0 26.2 YORK INTERNATIONAL 10.0 10.4 10.2 11.7 10.9 12.5 12.8 14.5 13.4 15.1 15.3 17.2 17.9 20.0 1120 1244 15.2 16.3 18.3 16.7...

  • Page 38: 70 Through 85 Ton Supply Fan Data

    14.0 14.0 16.0 15.4 17.4 16.5 18.6 17.7 19.8 22.8 23.3 25.8 1120 1244 23.7 25.3 26.0 28.3 27.4 29.7 28.8 31.2 32.3 34.8 35.8 11.4 13.0 14.9 16.9 19.5 22.4 25.1 28.2 1369 27.9 32.2 33.7 37.3 YORK INTERNATIONAL...

  • Page 39: 90 Through 95 Ton Supply Fan Data

    44174 23.0 47572 23.2 25.6 50970 25.7 28.3 53519 27.2 29.8 54368 28.7 31.4 57766 31.6 34.6 61164 46.9 YORK INTERNATIONAL 11.2 12.5 12.3 14.3 13.9 16.2 16.4 18.4 18.1 19.4 21.9 23.3 23.2 26.6 26.2 29.6 1120 1244 22.2 24.5...

  • Page 40: Component Static Pressure Drops

    28.76 52.47 16.70 32.64 58.72 19.56 36.70 65.16 22.68 40.92 71.80 4.44 12.27 24.60 5.91 15.16 29.68 7.60 18.26 35.02 9.52 21.57 40.61 11.68 25.07 46.43 14.07 28.76 52.47 16.70 32.64 58.72 19.56 36.70 65.16 22.68 40.92 71.80 YORK INTERNATIONAL...
  • Page 41 24.89 58.92 30.29 71.37 36.00 84.53 42.02 98.35 48.34 112.81 54.92 127.86 61.77 143.49 68.87 159.68 76.21 176.39 YORK INTERNATIONAL ECONOMIZER ECONOMIZER FRESH AIR MANUAL OR OPENINGS 2-POSITION 73.78 18.15 6.66 93.86 26.65 9.59 115.12 36.90 13.05 137.45 48.90 17.04 154.85...
  • Page 42 33.97 60.84 20.07 37.39 66.25 22.68 40.92 71.80 5.14 13.69 27.11 6.45 16.17 31.43 7.90 18.80 35.94 9.52 21.57 40.61 11.30 24.47 45.45 13.24 27.51 50.43 15.35 30.68 55.57 17.62 33.97 60.84 20.07 37.39 66.25 22.68 40.92 71.80 YORK INTERNATIONAL...
  • Page 43 20.04 85.30 23.05 97.83 26.19 110.88 29.46 124.42 32.84 138.44 36.34 152.92 39.95 167.84 43.67 183.18 47.49 198.94 YORK INTERNATIONAL ECONOMIZER ECONOMIZER FRESH AIR MANUAL OR OPENINGS 2-POSITION 97.27 26.65 17.04 113.68 34.17 21.57 130.74 42.68 26.63 148.40 52.19 32.22 166.63...

  • Page 44: Gas Heat Pressure Drops

    114.47 47572 62.21 124.42 50970 67.19 131.89 53519 69.68 139.35 54369 69.68 141.84 57767 74.65 149.30 61165 79.63 159.26 YORK INTERNATIONAL 1125 119.44 134.37 149.30 164.23 179.16 194.10 201.56 134.37 149.30 164.23 179.16 194.10 209.03 223.96 236.40 134.37 149.30 164.23 179.16...
  • Page 45 FORM 100.50-EG3 (802) 00566VIP YORK INTERNATIONAL...

  • Page 46: Electric Heat Pressure Drops

    29.35 34.44 34.44 37.14 37.14 10.95 10.95 21.22 13.86 13.86 26.86 17.12 17.12 33.16 20.71 20.71 40.12 24.65 24.65 47.75 28.93 28.93 56.04 31.19 31.19 60.44 33.55 33.55 65.00 38.51 38.51 74.61 33.55 33.55 65.00 38.51 38.51 74.61 YORK INTERNATIONAL...
  • Page 47 37378 40776 44174 47572 50970 53519 54368 57766 61164 33980 37378 40776 44174 47572 50970 53519 54368 57766 61164 YORK INTERNATIONAL 400/3/50 400/3/50 400/3/50 400/3/50 10.95 10.95 21.22 13.86 13.86 26.86 17.12 17.12 33.16 20.71 20.71 40.12 24.65 24.65 47.75 28.93...

  • Page 48: Exhaust Fan Data

    TABLE 20 – 50 THROUGH 65 TON EXHAUST FAN DATA (CONT’D) TOTAL STATIC PRESSURE (Pascals of water column) m3/hr STD. AIR 13592 20388 27184 1055 11.2 33980 NOTE: * Grey areas indicate operation in motor service factor. 1141 17.7 1161 1025 1072 1104 12.0 1150 12.7 1196 YORK INTERNATIONAL...

  • Page 49: 70 Through 85 Ton Exhaust Fan Data

    TABLE 22 – 90 THROUGH 95 TON EXHAUST FAN DATA (CONT’D) TOTAL STATIC PRESSURE (Pascals of water column) m3/hr STD. AIR 23786 30582 37378 11.7 44174 15.6 16.7 YORK INTERNATIONAL 12.0 14.9 15.7 1034 10.0 13.3 14.4 12.5 13.3 16.7 18.7...

  • Page 50: Component Static Pressure Drops

    17.42 19.91 24.88 29.86 37.33 4.98 7.47 9.95 12.44 17.42 19.91 24.88 29.86 37.33 7.47 9.95 12.44 17.42 19.91 24.88 29.86 37.33 7.47 9.95 12.44 17.42 19.91 24.88 29.86 37.33 7.47 9.95 12.44 17.42 19.91 24.88 29.86 37.33 YORK INTERNATIONAL...
  • Page 51 37378 59.72 40776 72.16 44174 87.09 27184 29.86 30582 37.33 33980 47.28 37378 59.72 40776 72.16 44174 87.09 YORK INTERNATIONAL MODULATING EXHAUST (CONTROL DAMPER) 24.88 34.84 44.79 59.72 74.65 92.07 109.49 131.89 24.88 34.84 44.79 59.72 74.65 92.07 109.49 131.89 24.88...

  • Page 52: Electrical Data

    MOP is less than the MCA, then select the lowest standard maximum fuse size greater than or equal to the MCA. Nominal Voltage 400/3/50 24.2 24.2 27.9 27.9 17.9 24.2 17.9 24.2 24.2 24.2 24.2 27.9 24.2 27.9 YORK INTERNATIONAL...

  • Page 53: Supply And Exhaust Fan Motor

    42.0 46.0 62.0 74.0 91.0 TABLE 27 – CONTROL TRANSFORMER NOMINAL VOLTAGE DESCRIPTION 400/3/50 AMPS YPAL050-065 YPAL070-095 YORK INTERNATIONAL FORM 100.50-EG3 (802) TABLE 26 – CONDENSER FAN MOTORS / TOTAL NOMINAL VOLTAGE NOMINAL 400/3/50 TONS 14.4 14.4 14.4 14.4 21.6 21.6...

  • Page 54: Controls

    Controls CONTROL SEQUENCES COMMON TO ALL UNITS GENERAL The control system for the YORK eco² Packaged Roof- top Unit is fully self-contained and based around an ™ OptiLogic rooftop unit controller. To aid in unit setup, maintenance, and operation, the OptiLogic controller is equipped with a user interface that is based around a 4 line x 20 character backlit LCD display.
  • Page 55 This method of economizing allows the reference temperature setting to be set higher than the DB Economizer and is consequently a more effi- cient packaged rooftop economizer. YORK INTERNATIONAL FORM 100.50-EG3 (802) Comparative (Dual) Enthalpy Economizer With the optional comparative enthalpy economizer, the...
  • Page 56 Outside Air temperature is lower than the Low Ambient Lockout temperature. ™ controller. If the pressure rises to or ™ User Interface. ™ User Interface. ™ controller moni- ™ User controller continuously monitors the YORK INTERNATIONAL ™...
  • Page 57 This mode is main- tained until the smoke purge input is deactivated and the unit returns to normal operation. YORK INTERNATIONAL Purge When this purge sequence is selected and activated, the Supply Fan is controlled ON and the Exhaust Fan is controlled ON.
  • Page 58 Ventilation functions (if equipped) will be permit- ted to run with an occupied signal. Economizer func- tions will operate with a “G” call and a call for cooling. ™ Controller will ™ Controller will start the Supply Fan. YORK INTERNATIONAL...
  • Page 59 OptiLogic controller will modulate the Outside Air damper in addition to staging compressors up and down to maintain the zone temperature setpoint. YORK INTERNATIONAL HEATING OPERATION Thermostat Control If a 7-wire thermostat (2 Cool/2 Heat) controls the unit, all zone temperature setpoint control is maintained at the thermostat.

  • Page 60: Power Wiring

    100, and is intended for isolating the unit from the available power supply to perform maintenance and troubleshooting. This disconnect switch is not intended to be a Load Break Device. FIG. 1 – SINGLE-POINT POWER SUPPLY WIRING Electrical / Controls Box Power Side Control Side Wiring Terminal Block LD06414 YORK INTERNATIONAL...

  • Page 61: Single-Point Power Supply Wiring With Non-Fused Disconnect

    100, and is intended for isolating the unit from the available power supply to perform maintenance and troubleshooting. This disconnect switch is not intended to be a Load Break Device. FIG. 2 – SINGLE-POINT POWER SUPPLY WIRING WITH NON-FUSED DISCONNECT YORK INTERNATIONAL Electrical / Controls Box Power Side...

  • Page 62: Dual-Point Power Supply Wiring

    100, and is intended for isolating the unit from the available power supply to perform maintenance and troubleshooting. This disconnect switch is not intended to be a Load Break Device. FIG. 3 – DUAL-POINT POWER SUPPLY WIRING Electrical / Controls Box Power Side Control Side Wiring Terminal Block LD06416 YORK INTERNATIONAL...

  • Page 63: Field Control Wiring

    Unoccupied Input Shutdown Input Smoke Purge Input VAV Heat 24 VAC Signal Relay Output FIG. 4 – FIELD CONTROL WIRING YORK INTERNATIONAL COMMON R (24VAC) Y1 (Cool Stage 1) Y2 (Cool Stage 2) W1 (Heat Stage 1) W2 (Heat Stage 2)

  • Page 64: General Arrangement Drawings

    FIG. 5 – GENERAL ARRANGEMENT DRAWING – 50-65 TON MODEL TOP VIEW LEFT SIDE VIEW 49.69 91.44 24.61 485.14 209.87 179.38 11.75 233.68 3.97 50-65 Ton Models 3.175 FPT COUPLING DRAIN CONNECTION FRONT 600.7 973.30 873.76 369.89 210.18 11.75 90.33 11.75 YORK INTERNATIONAL LD07880 270.83...

  • Page 65: General Arrangement - 50-65 Ton Models (Side Supply/Front Return)

    4. Bottom supply available on all configurations. 5. Rear return not available with exhaust/relief options. 6. Center of gravity information is based on a base cooling only unit. FIG. 6 – GENERAL ARRANGEMENT DRAWING – 70-95 TON MODEL YORK INTERNATIONAL TOP VIEW 3.175 FPT COUPLING...

  • Page 66: General Arrangement - 70-95 Ton Models (Bottom Supply/Bottom Return)

    614.68 235.27 179.39 11.75 233.68 3.97 179.39 11.75 233.68 3.97 – 70-95 Ton Models 3.175 FPT COUPLING DRAIN CONNECTION FRONT 814.07 1260.48 1153.16 519.43 826.77 1351.28 1239.52 532.13 210.19 11.75 121.92 11.75 210.19 11.75 137.16 11.75 YORK INTERNATIONAL LD07882 410.21 410.21...

  • Page 67: General Arrangement - 70-95 Ton Models (Side Supply/Front Return)

    5. Rear return not available with exhaust/relief options. 6. Rear return not available with exhaust/relief options. 7. Center of gravity information is based on a base cooling only unit. FIG. 8 – GENERAL ARRANGEMENT DRAWING – 70-95 TON MODEL YORK INTERNATIONAL TOP VIEW 3.175 FPT COUPLING...

  • Page 68: General Arrangement - 70-95 Ton Optional Side Return

    1. Left side shown, RH side available (mirror image). TABLE 33 – OPTIONAL SIDE RETURN (CM) MODEL 70-85 157.80 147.32 90-95 174.62 164.14 105.73 FIG. 9 – GENERAL ARRANGEMENT DRAWING – 70-95 TON MODEL (ONLY) 101.6 128.91 131.13 – 70-95 Ton Models (ONLY) LD07313 YORK INTERNATIONAL...

  • Page 69: Curb Layout Drawing

    596.9 181.77 40.64 26.03 70-85 5.08 627.38 736.6 181.77 45.72 26.03 90-95 5.08 142.88 701.04 822.96 181.77 60.96 26.03 FIG. 10 – CURB LAYOUT DRAWING YORK INTERNATIONAL 6.35 Gas Outlet 3.81 MPT Connection UNIT BASERAIL PROFILE 3.81 6.67 861.06 220.98 1140.46...

  • Page 70: Power/Control Entry Drawing

    15.24 15.875 BOTTOM VIEW MODEL 208V 230V 460V POWER SUPPLY KNOCKOUTS 3.81 K.O. (5.08 O.D.) 5.08 K.O. (6.35 O.D.) 6.35 K.O. (7.62 O.D.) 137.16 15.24 PANEL B 1.905 K.O. (CONTROL WIRING) LD07886 575V YORK INTERNATIONAL 90.17 77.47 31.115 23.50 15.875...

  • Page 71: Guide Specifications

    YORK INTERNATIONAL FORM 100.50-EG3 (802) Casing The unit cabinet shall be one-inch double-wall construc-...
  • Page 72 Polyurethane sleeves shall protect all small diameter distributor tubing to the evaporator coil to prevent the tubes from copper-to-copper contact during shipment or operation. YORK INTERNATIONAL...
  • Page 73 The heater shall be an industrial grade design using an open coil(s) made of the highest grade resistance wire YORK INTERNATIONAL FORM 100.50-EG3 (802) containing 80% nickel and 20% chromium. The resis- tance coil(s) shall be adequately supported in the air stream using ceramic bushings in the supporting frame- work.
  • Page 74 Wall-Mount Zone Sensor, Nonscaled Setpoint Ad- justment – a 1 kOhm thin-film nickel zone sensor for wall mounting. This zone sensor is for sensing tem- perature and includes a non-scaled (warmer-cooler) set- point adjustment feature. YORK INTERNATIONAL...
  • Page 75 Barometric Relief – building air exhaust shall be ac- complished through barometric relief dampers installed in the return air plenum. The dampers will open relative YORK INTERNATIONAL FORM 100.50-EG3 (802) to the building pressure. The opening pressure shall be adjustable.
  • Page 76 This sensor is included with heat options, and optional for units with cooling options. This sensor must be present for morning warm-up. P.O. Box 1592, York, Pennsylvania USA 17405-1592 Copyright © by York International Corporation 2002 Form 100.50-EG3 (802)

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