York MILLENNIUM YK Wiring Diagram Download Page 3

FORM 160.54-PW7

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YORK INTERNATIONAL

LIST OF FIGURES

Fig. 1 – Remote Mode Ready to Start Contacts ........................................................................................

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Fig. 2 – Cycling Shutdown Contacts ...........................................................................................................

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Fig. 3 – Safety Shutdown Contacts .............................................................................................................

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Fig. 4 – Run Contacts ..................................................................................................................................

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Fig. 5 – Anticipatory/Alarm Contacts .........................................................................................................

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Fig. 6 – Remote Start-Stop Contacts from Energy Management System ..................................................

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Fig. 7 – Remote/Local Cycling Devices .....................................................................................................

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Fig. 8 – Multi-Unit Sequence ......................................................................................................................

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Fig. 9 – Condenser Water Flow Interlock ...................................................................................................

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Fig. 10 – Two Unit Sequence Control ...........................................................................................................

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Fig. 11 – Multiple Units (Two)  – Series Operation .....................................................................................

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Fig. 12 – Multiple Units (Two) – Parallel Operation – Individual Pumps ....................................................

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Fig. 13 – Multiple Units (Two) – Parallel Operation – Single Chilled Water Pump .....................................

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Fig. 14 – Electro-Mechanical Starter Manual Reset Overloads (Except “P” Compressors)

(2300 to 4160 Volts U.L. or C.S.A. Approved Units Only ............................................................

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Fig.14A– Electro-Mechanical Starter Manual Reset Overloads (“P” Compressors Only)

(2300 to 4160 Volts U.L. or C.S.A. Approved Units Only) ..........................................................

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Fig. 15 – Remote Current Limit Setpoint with 0-10VDC 0r 2-10VDC Signal .............................................

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Fig. 16 – Remote Current Limit Setpoint with 0-20mA or 4-20mA Signal ..................................................

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Fig. 17 – Remote Current Limit Setpoint with PWM Signal ........................................................................

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Fig. 18 – Remote Leaving Chilled Liquid Temp. Setpoint with 0-10VDC or  2-10VDC .............................

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Fig. 19 – Remote Leaving Chilled Liquid Temp. Setpoint with 0-20mA or 4-20mA Signal .........................

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Fig. 20 – Remote Leaving Chilled Liquid Temperature Setpoint with PWM Signal ....................................

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Fig. 21 – Microboard Dip Switch for Auto/Manual Restart after Power Failure ........................................

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Fig. 22 – External Signal For Refrigeration Unit Failure ..............................................................................

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Fig. 23 – Run Contacts/Remote Run Light and Shutdown Indicator Plus EMS ..........................................

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Fig. 24 – Auxiliary Safety Shutdown Input ...................................................................................................

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Fig. 25 – Evaporator Water Pump Interlock or Flow Switch .......................................................................

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Summary of Contents for MILLENNIUM YK

Page 1: ...s provisions for remote control inputs and provisions for remote setpoint reset of leaving chilled liquid tempera ture and current limit for EMS interfacing See Note 7 Five sets of unit status contact...

Page 2: ...ll load amperes for 1 to 255 minutes following each compressor start For more details refer to OptiView Control Center Instructions Form 160 54 O1 6 Controlling the maximum allowable compressor motor...

Page 3: ...U L or C S A Approved Units Only 8 Fig 14A Electro Mechanical Starter Manual Reset Overloads P Compressors Only 2300 to 4160 Volts U L or C S A Approved Units Only 8 Fig 15 Remote Current Limit Setpo...

Page 4: ...ion so they will allow the unit to start 4 The OptiView Control Center COMPRESSOR switch is in the RUN l position 5 The 30 minute anti recycle timer has timed out A closure of the Remote Mode Ready to...

Page 5: ...f Range FIG 5 ANTICIPATORY ALARM CONTACTS LD04604 FIG 6 REMOTE START AND STOP CONTACTS FROM ENERGY MANAGEMENT SYSTEM When the OptiView Control Center is in the Digital Analog or ISN remote operating m...

Page 6: ...lowing messages CYCLING SHUTDOWN AUTO RESTART and SYSTEM CYCLING CONTACTS OPEN The OptiView Control Center con tains a seven day time clock to select daily schedule Start Stop times Sun day through Sa...

Page 7: ...TWO UNIT SEQUENCE CONTROL Provides that cycling thermostat RWT will automati cally cycle either 1 or 2 unit Timer 3TR is an addi tional feature which prevents simultaneous starting of lead and lag un...

Page 8: ...LE UNITS TWO PARALLEL OPERATION SINGLE CHILLED WATER PUMP For this piping arrangement each chiller s water sensor is located in its own leaving water nozzle This produces a constant mixed chilled wate...

Page 9: ...lts and Microboard Program Jumper JP23 has been removed Calculate the setpoint for various inputs as follows SETPOINT 100 VDC X 7 For example if the input is 5VDC the setpoint would be set to 65 as fo...

Page 10: ...dulation input is in the form of a 1 to 11 second relay contact closure that applies 115VAC to the I O Board TB4 20 for 1 to 11 seconds As shown in Fig 17 connect dry closure relay contacts between I...

Page 11: ...SET F VDC 2 REMOTE RESET TEMP RANGE 8 SETPOINT F LOCAL SETPOINT OFFSET For example if the input is 5VDC and the Remote Re set Temp Range setpoint is programmed for 40 F the setpoint would be set to 43...

Page 12: ...e set to 44 F as follows SIGNAL COMMON 5 4 J22 FIG 19 REMOTE LEAVING CHILLED LIQUID TEMP SETPOINT WITH 0 20MA OR 4 20MA SIGNAL LD04501 OFFSET F 8 10 20 80 20 4 F SETPOINT F 40 4 44 F 4 20mA As shown i...

Page 13: ...J11 1 JP27 1 SHLD GND _ 5V J11 SHLD GND _ 5V J11 SHLD GND _ 5V J12 SHLD GND _ 5V MICROBOARD 031 01730 1 PC 104 2 1 J17 J16 FIG 21 MICROBOARD DIP SWITCH FOR AUTO MANUAL RESTART AFTER POWER FAILURE LD04...

Page 14: ...er square inch psia For Metric Units temperature is in degrees Celsius C and pressure in KiloPascals kPa _ _ On Solid State Starter units only when the Current Imbalance option is selected via the Sol...

Page 15: ...un Light The control relay scheme shown in Fig 23 can also be applied for a remote Run Light AND a Remote Shutdown Indicator when an EMS is not used When Evaporator Water is flowing the flow switch co...

Page 16: ...e accomplished in sev eral ways Two flow switches a flow switch and a relay or separate contacts on the same flow switch 14 15 Do not apply voltage on field wiring terminal blocks TB4 and TB6 in YORK...

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