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Johnson Controls YORK YK H Wiring Diagrams

Johnson Controls YORK YK H Wiring Diagrams

With optiview control center and sss with modbus, vsd with modbus

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Wiring diagram
Contractor:
Order number:
JCI contract number:
JCI order number:
Purchaser:
Job name:
Location:
Engineer:
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Job data
Chiller model number YK _____________________________________________________________
Number of units ______________________
Compressor motor ______________________ volts, three-phase, _____________________ Hz
Oil pump motor _____________________ volts, three-phase, _____________________ Hz, __________________ FLA
Wiring Diagrams for Model YK (Style H)
with OptiView Control Center and SSS
with Modbus, VSD with Modbus
Date:
Date:
Date:
Form Number: 160.76-PW6 (1021)
Supersedes: 160.76-PW6 (919)
Issue Date: 2021-10-15

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Summary of Contents for Johnson Controls YORK YK H

  • Page 1 Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus Form Number: 160.76-PW6 (1021) Supersedes: 160.76-PW6 (919) Issue Date: 2021-10-15 Wiring diagram Contractor: Order number: JCI contract number: JCI order number: Purchaser: Job name: Location: Engineer:...
  • Page 2: General Safety Guidelines

    General safety guidelines Important: Read before proceeding. This equipment is a relatively complicated apparatus. During rigging, installation, operation, maintenance, or service, individuals may be exposed to certain components or conditions including, but not limited to: heavy objects, refrigerants, materials under pressure, rotating components, and both high and low voltage.
  • Page 3: Changeability Of This Document

    All wiring must be in accordance with Johnson Controls’ published specifications and must be performed only by a qualified electrician. Johnson Controls will NOT be responsible for damage/problems resulting from improper connections to the controls or application of improper control signals.
  • Page 4 Notes This wiring diagram describes the standard electronic control scheme for use with YORK Solid State Starter or Variable Speed Drive. For details of standard modifications, refer to Form 160.76-PW4. Field wiring must be in accordance with the National Electrical Code (NEC), as well as all other applicable codes and specifications.
  • Page 5 12. Contact rating is 5 A resistive at 250 VAC and 30 VDC, and 2 A inductive (0.4 PF) at 250 VAC and 30 VDC. 13. Field connected control power supply is not required, as control transformer is supplied on the solid state starter and the medium voltage variable speed drive.
  • Page 6 Legend Item Description 1HTR 1 phase 1000 Watt oil heater 1LEP Low evaporator pressure (provided by evaporator pressure transducer) 2T protector (346 V AD 600 V units only) Class 2 power supply transformer Condenser pump motor starter Compressor motor / 1HTR heater control relay (K18 - located on I/O board) VS oil pump drive run relay 1SOL Oil return solenoid valve...
  • Page 7 Item Description Wire entrance hole in control panel Option (when supplied) by YORK Mechanical linkage Shield cable Metal oxide varistor Terminal located in starter (TB1 or 1TB) Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 8: Wiring Diagrams

    Wiring diagrams Elementary diagram Figure 1: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 9 Figure 1: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 10 Figure 2: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 11 Figure 2: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 12 Figure 3: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 13 Figure 3: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 14 Microboard diagram (031-03630) Figure 4: Microboard diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 15 Figure 4: Microboard diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 16: Display Interface Board

    Display interface board Figure 5: Display interface board Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 17: Pressure Temperature Chart

    Pressure temperature chart Table 2: Pressure temperature chart Evaporator Operating point Refrigerant application Condenser mode Device Units type Water Brine (Control action) On rise (Control action) On fall High discharge °F/°C (Trip) ≥ 220/104.4 (Reset) < 219/103.8 temp (HDT) High oil temp (HOT) °F/°C (Trip) >...
  • Page 18 LTC I/O board (031-02895) Figure 6: LTC I/O board (031-02895) Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 19 Figure 6: LTC I/O board (031-02895) Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 20: Connection Diagram

    Connection diagram Figure 7: Connection diagram (UL applications only) Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 21 Figure 7: Connection diagram (UL applications only) Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 22 Figure 8: Connection diagram (CE applications only) Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 23 Figure 8: Connection diagram (CE applications only) Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 24 Figure 9: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 25 Figure 9: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 26 Figure 10: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 27 Figure 10: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 28 Figure 11: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 29 Figure 11: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 30 Figure 12: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 31 Figure 12: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 32 Variable speed oil pump drive panel Figure 13: Variable speed oil pump drive panel Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 33 Figure 13: Variable speed oil pump drive panel Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 34 Starter wiring for all compressors Figure 14: Starter wiring for all compressors Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
  • Page 35: Unit Conversion

    Unit conversion The following factors can be used to convert from English to the most common SI Metric values. Table 4: SI metric conversion Measurement Multiply English unit By factor To obtain metric unit Capacity Tons refrigerant effect (ton) 3.516 Kilowatts (kW) Power Horsepower...
  • Page 36 © 2021 Johnson Controls. 5000 Renaissance Drive, New Freedom, York, PA 17349, USA. Subject to change without notice. All rights reserved.