York YD Wiring Diagram
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York YD Wiring Diagram

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WIRING DIAGRAM
CONTRACTOR _________________________
ORDER NO. ____________________________
JCI CONTRACT NO. _____________________
JCI ORDER NO. _________________________
REFERENCE
DATE ________
JOB DATA:
CHILLER MODEL NO. YD _________________
NO. OF UNITS __________________________
TYPE OF STARTING _____________________
Included by Johnson Controls for Field Installation (by others) are:
Chilled Water Flow Switch
Condenser Water Flow Switch
_______________________________________________________________
_______________________________________________________________
Supersedes: 160.79-PW2 (616)
FIELD CONTROL MODIFICATIONS
FOR YD CHILLER (STYLE D)
WITH OPTIVIEW CONTROL CENTER
PURCHASER _____________________________________________
JOB NAME ________________________________________________
LOCATION ________________________________________________
ENGINEER _______________________________________________
APPROVAL
DATE ________
Issue Date:
January 31, 2019
Form: 160.79-PW2 (119)
CONSTRUCTION
DATE _______
YES
NO
Per Unit

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Summary of Contents for York YD

  • Page 1 Supersedes: 160.79-PW2 (616) Form: 160.79-PW2 (119) FIELD CONTROL MODIFICATIONS FOR YD CHILLER (STYLE D) WITH OPTIVIEW CONTROL CENTER WIRING DIAGRAM CONTRACTOR _________________________ PURCHASER _____________________________________________ ORDER NO. ____________________________ JOB NAME ________________________________________________ JCI CONTRACT NO. _____________________ LOCATION ________________________________________________ JCI ORDER NO. _________________________...
  • Page 2 FORM 160.79-PW2 ISSUE DATE: 01/31/2019 IMPORTANT! READ BEFORE PROCEEDING! GENERAL SAFETY GUIDELINES This equipment is a relatively complicated apparatus. which it is situated, as well as severe personal injury or During rigging, installation, operation, maintenance, death to themselves and people at the site. or service, individuals may be exposed to certain com- This document is intended for use by owner-authorized ponents or conditions including, but not limited to:...
  • Page 3 MANUAL DESCRIPTION FORM NUMBER Operation - YD Style D Optiview Control Center 160.79-O3 Wiring Diagram - YD Style D with Optiview Control Center and Electro-Mechanical Starter 160.79-PW4 Wiring Diagram - YD Style D with Optiview Control Center and Modbus SSS/VSD 160.79-PW5...
  • Page 4 FORM 160.79-PW2 ISSUE DATE: 01/31/2019 THIS PAGE INTENTIONALLY LEFT BLANK. JOHNSON CONTROLS...

  • Page 5: Table Of Contents

    FORM 160.79-PW2 ISSUE DATE: 01/31/2019 TABLE OF CONTENTS SECTION 1 - ENERGY MANAGEMENTS SYSTEMS ....................7 SECTION 2 - FIELD CONTROL MODIFICATIONS ....................9 Remote Mode Ready to Start Contact ......................9 Cycling Shutdown Contacts ..........................9 Safety Shutdown Contacts ..........................9 Run Contacts ..............................
  • Page 6 FORM 160.79-PW2 ISSUE DATE: 01/31/2019 LIST OF FIGURES FIGURE 1 - Remote Mode Ready to Start Contacts ....................9 FIGURE 2 - Cycling Shutdown Contacts ........................9 FIGURE 3 - Safety Shutdown Contacts ........................9 FIGURE 4 - Run Contacts (Compressor #1) ......................10 FIGURE 5 - Run Contacts (Compressor #2) ......................10 FIGURE 6 - Anticipatory/Alarm Contacts.........................10 FIGURE 7 - Remote Start-Stop Contacts from Energy Management Systems ............

  • Page 7: Section 1 - Energy Managements Systems

    SECTION 1 - ENERGY MANAGEMENTS SYSTEMS ISSUE DATE: 01/31/2019 SECTION 1 - ENERGY MANAGEMENTS SYSTEMS YD chiller design allows for ease of interfacing with The chiller should not be cycled by the Energy Man- Energy Management Systems (EMS). The OptiView™...
  • Page 8 FORM 160.79-PW2 SECTION 1 - ENERGY MANAGEMENTS SYSTEMS ISSUE DATE: 01/31/2019 6. Controlling the maximum allowable compres- sor motor amps from 30 to 100% through remote current limit setpoint. Refer to Figure 17 on page 14 when the remote current limit is accom- plished by supplying a 1 to 11 second pulse-width modulated signal in the “remote”...

  • Page 9: Section 2 - Field Control Modifications

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 SECTION 2 - FIELD CONTROL MODIFICATIONS REMOTE MODE READY TO START CONTACT Details bar of the display. Cycling Shutdown contacts function in all operating modes. When closed, these contacts signify the following: 1.

  • Page 10: Run Contacts

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 RUN CONTACTS REMOTE RUN-STOP CONTACTS FROM EMS When closed, these contacts signify that the unit is When the OptiView Control Center is in the operating. The OptiView Control Center will display a “Digital”, “Analog”...

  • Page 11: Remote/Local Cycling Devices

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 switch in the “RUN” (l) position. Conversely, an open- REMOTE/LOCAL CYCLING DEVICES ing of the device contacts will inhibit the unit from op- The closure of an automatic reset device across this erating;...

  • Page 12: Thermal Type Flow Sensor

    150 psi (YORK Part No. 024-26116-000); McDonnel-Miller FS7-4W, max. 300 psi (YORK Part No. 024-12144-000); Differential pressure type – Pot- ter 1382, max. 300 psi (YORK Part No. 025-30919- LD20685 000) available at additional cost. When condenser FIGURE 13 - ELECTRO-MECHANICAL STARTER water is flowing, the flow switch contact will close.

  • Page 13: Remote Current Limit Setpoint With 0-10Vdc, 2-10Vdc, 0-20Ma, 4-20Ma, Or Pulse Width Modulation Signal

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 Important! The signal type used for Re‑ mote Current Limit Setpoint reset and the signal type used for Remote Leaving Chilled Liquid Temperature setpoint re‑ set must be the same. For example, if a 0‑10VDC signal is being used for Remote Leaving Chilled Liquid Temperature Re‑...

  • Page 14: Remote Leaving Chilled Liquid Setpoint With 0-10Vdc, 2-10Vdc, 0-20Ma, 4-20Ma, Or Pulse Width Modulation Signal

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 For example, if the input is 5VDC, the setpoint would be set to 74% as follows: SETPOINT (%) = 100 – [(5-2) X 8.75] = 100 – [3 X 8.75] = 100 –...

  • Page 15: Figure 18 - Remote Current Limit Setpoint With 0-1Vdc Or 2-10Vdc Signal

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 The Remote Input Signal changes the setpoint by 0-10VDC - As shown in Figure 18 on page 15, creating an offset above the locally programmed Leav- connect input to Microboard J22-3 (signal) and J22-5 ing Chilled Liquid Temperature Base Setpoint value.

  • Page 16: Remote Leaving Chilled Liquid Temperature Setpoint With Pwm Signal

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 For example, if the input is 5VDC and the 4-20mA - As shown in Figure 19 on page 16, con- Remote Reset Temp. Range setpoint is programmed nect input to Micro Board J22-4 (signal) and J22-5 (Gnd.).

  • Page 17: External Signal For Refrigeration Unit Failure

    FORM 160.79-PW2 SECTION 2 - FIELD CONTROL MODIFICATIONS ISSUE DATE: 01/31/2019 will be one or more of the safety conditions listed in Unit Operations Manual (Forms 160.69‑O1 and 160.69‑O3). LD06833 FIGURE 20 - REMOTE LEAVING CHILLED LIQUID TEMPERATURE SETPOINT WITH PWM SIGNAL The relay contacts should close for 1 to 11 seconds at least once every 30 minutes to maintain the setpoint to the desired value.

  • Page 18: Thermal Type Flow Sensor

    J14-5 be applied. Paddle type – JCI F261MAL-V01C, max. 150 psi (YORK Part No. 024-26116-000); McDonnel- Miller FS7-4W, max. 300 psi (YORK Part No. 024- 12144-000); Differential pressure type – Potter 1382, max. 300 psi (YORK Part No. 025-30919-000) avail-...
  • Page 19 4. The controls specified are recommended for use, 9. Do not apply voltage on field wiring terminal but other controls of equal specifications are ac- blocks TB4 and TB6 in YORK OptiView Control ceptable. Center, as 115VAC source is fed from terminals 1 and 2.
  • Page 20 5000 Renaissance Drive, New Freedom, Pennsylvania USA 17349 800-861-1001 Subject to change without notice. Printed in USA Copyright © by Johnson Controls 2019 www.johnsoncontrols.com ALL RIGHTS RESERVED Form 160.79-PW2 (119) Issue Date: January 31, 2019 Supersedes: 160.79-PW2 (616)

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