Centrifugal liquid chillers, r-134a or r-513a with optiview control center for electromechanical starter, solid state starter, and variable speed drive (56 pages)
Field reassembly for form 3, 7, 9, and 10 shipment, r-134a, r-513a, and r-1234ze (cooling only) with graphic control center for electromechanical starter, solid state starter, and variable speed drive (46 pages)
Summary of Contents for Johnson Controls YORK YK H
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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:...
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.
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.
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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.
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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.
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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...
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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...
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...
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Figure 1: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 2: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 2: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 3: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 3: Elementary diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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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...
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Figure 4: Microboard diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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...
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) >...
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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...
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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...
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...
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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...
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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...
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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...
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Figure 9: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 9: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 10: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 10: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 11: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 11: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 12: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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Figure 12: Connection diagram Wiring Diagrams for Model YK (Style H) with OptiView Control Center and SSS with Modbus, VSD with Modbus...
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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...
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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...
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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...
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...
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