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Johnson Controls YZ Wiring Diagram
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Johnson Controls YZ Wiring Diagram

Unit wiring and field connections for centrifugal chiller with magnetic bearing controller
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Wiring diagram
Contractor
Order number
JCI contract number
JCI order number
Purchaser
Job name
Location
Engineer
Reference
Approval
Construction
Job data
Chiller model number YZ
Number of units
System
Motor
Variable speed drive (VSD)
Evaporator
Condenser
Stage end
Form Number: 161.01-PW4 (220) Supersedes: 161.01-PW4 (1119)
Issue Date: 2020-02-28
Unit Wiring and Field Connections for YZ
Centrifugal Chiller with Magnetic Bearing
Date:
Date:
Date:
Controller

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Summary of Contents for Johnson Controls YZ

  • Page 1 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller Wiring diagram Contractor Order number JCI contract number JCI order number Purchaser Job name Location Engineer Reference Date: Approval Date: Construction Date: Job data Chiller model number YZ...

  • Page 2: General Safety Guidelines

    Note: Highlights additional information useful to the technician in completing the work being performed properly. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...

  • 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 YZ Startup Checklist 161.01-CL2 YZ Field Connections 161.01-PW1 YZ Field Control, Wiring and MBC Modifications 161.01-PW2 YZ VSD Wiring Diagrams 161.01-PW3 Centrifugal Chiller Long Term Storage 50.20-NM5 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 5 04 = 400 A 06 = 600 A 08 = 800 A 12 = 1200 A Input Type B = Circuit Breaker Heat Exchanger Rating 30 = 300 psig LD27334a Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 6 Cond Waterbox Mod Level Cond Water Connection Type F = Flanges Cond Waterside DWP G = Grooved 1 = 150 psig 3 = 300 psig A = AGS Victaulic LD26925 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...

  • Page 7: Unit Wiring

    8. Contact rating is 5 A resistive at 120 VAC or 240 VAC. 9. For wiring diagrams of the VSD, refer to the YZ service manual 161.01-M3. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 8 Compressor motor (K18 - located on I/O board) Safety stop switch BATT Battery Condenser pressure (provided by transducer) Electronic expansion valve Evaporator pressure (provided by transducer) Full load amperes (compressor motor) Fuse Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 9 Option (as and when supplied) by YORK Mechanical linkage Shielded cable Metal oxide varistor Terminal located in starter (TB1 or 1TB) Note: Drawing number: 035-26662-000 REV E, SHT. 5 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...

  • Page 10: Elementary Wiring Diagram

    WARNING ALARM CONDENSER LIQUID PUMP RUN TO PURGE COMP. RUN RELAY (K120) (SEE NOTE 11) (PURGE PANEL) MOTOR CONTROLLER FAULT (OPEN ON FAULT) SHUTDOWN TB15 HPCO LD27179 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 11 BOARD REMOTE CURRENT LIMIT SETPOINT (PWM SIGNAL) CHILLED LIQUID FLOW SWITCH (OPTIONAL) REMOTE/LOCAL CYCLING DEVICES MULTI-UNIT SEQUENCE CYCLING AUXILIARY SAFETY SHUTDOWN CONDENSER LIQUID FLOW SWITCH (OPTIONAL) LD27180 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 12 ROW 1 DISPLAY COL 7 COL 6 COL 5 COL 4 MICROBOARD COL 3 COL 2 MICROBOARD COL 1 COL [ STATIC SHIELD KEYPAD TO MICRO BOARD LD27251 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 13 GNDA (PE10) (PE11) (OPTIONAL) TO REGEN SOLS PLUG TO REGEN SOLS PLUG (SEE SHEET 7) (SEE SHEET 7) FFBP ACTUATOR TO CONTROL PANEL (SEE SHEET 7) LD27252b Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 14 1 95 1 31 9 1 13 12 1 20 19 1 8 7 1 41 150151152153154 156157164 36 35 37 38 39 GRN/YEL 315C CABLE LD27253a Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 15 PE14 CL1A CL1G CL1E CLLA 21 R24 2 2P 2F 2D CL1C A1 A2 PE 29 600V 600V 11 14 CAB1 TO MICROBOARD TB-1 (TB1) (TB1) LD27254a Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 16 OptiView control panel microboard (031-03630) Figure 3: OptiView control panel microboard (031-03630) POWER SUPPLY MICROBOARD 031-03630 LD27255 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 17 Figure 3: OptiView control panel microboard (031-03630) 035-26576-000 REV D, SHT. 1 MICROBOARD 031-03630 LD27256 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 18 J18- COL 6 COL 5 See Detail D COL 4 KEY IN COL 3 COL 2 COL 1 COL 0 KEYPAD TO VGD See Detail E LD27257 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 19 1. If flow switches are connected to J14, microboard jumpers JP10, JP11, and JP12 must be on pins 2 and 3. 2. For VGD communication, jumpers JP27 and JP29 must be installed on pins 1 and 2. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 20 SPARE J29- Entering Chilled Fiber to MBC Liquid Temp. J30- Thermistor INPUT J20- Leaving Chilled Not Used Liquid Temp. Thermistor Detail B Detail C Detail A LD27259 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 21 COL 7 J18- COL 6 COL 5 COL 4 KEY IN COL 3 COL 2 COL 1 INPUT COL 0 To Keypad Detail D Detail E LD27260 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 22 031-03631 Opto-Coupled, Inputs Opto-Coupled 031-03631-001, -002 = 120VAC 120 VAC Inputs 031-03631-003, -004 = 24VAC (See Notes 1 & 2) (See Notes 1, 2 & 10) LD27261 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 23 Spare transient suppressors and control circuit fuses are supplied in a bag attached to the keypad cable camp in the left corner of the control panel. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 24 8. The main disconnect is supplied by the installer. 9. Use class I conductors. Use copper conductors only. 10. The device contact rating must be 5 mA at 24 VAC. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 25 12 1 20 19 1 8 7 1 41 150 151 152 153 154 156 157 164 36 35 37 38 39 LD27263 Note: See Unit wiring for notes. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 26 Figure 9: OptiView control panel I/O board (031-03631) 035-26576-000 REV D, SHT. 1 I/O Board 031-03631 Jumper 2 LD27265 Jumper 1 Note: See Figure 7 and Figure 8 for schematic details. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 27 To Microboard J5 Display Cable Display Interface Board P/N 031-02887-000 Rear view display kit (York P/N) 331-01771-000 REV H and later (Mounting plate not shown) Display Kit Door LD27264 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 28 A I 2 (OPTIONAL) REGEN TANK TEMP. TB13 A I 1 RT48 CONDENSER REFRIG TEMP. RT49 A I 5 PURGE COIL TEMP. TB12 CAB3 LD27266a TO UPS Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 29 OptiView control panel TB6 Figure 12: OptiView control panel TB6 035-26576-000 REV D, SHT.1 LD27267 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 30 Fuse Holder, W-Series, Fuse Terminal 025-46331-000 1055323 Circuit Breaker Assembly, 6 AMP 325-44812-006 770057 Circuit Breaker Assembly, 16 AMP 325-44812-016 770058 Relay, TRS 120VUC ICO, AU, 1123040000 025-49306-000 5326692 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 31 OptiView control panel TB7 Figure 14: OptiView control panel TB7 035-26576-000 REV D, SHT. 1 LD27268 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 32 025-44575-000 837882 Fuse Holder, W-Series, Fuse Terminal 025-46331-000 1055323 Jumper, TB, Weid. W-Series, ZQV 2.5N/3 GE, 025-44805-000 837894 1609810000 Tag, Marking, DEK 5/5 MC 1609810000 025-44578-000 837885 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 33 SURGE RTN J7-3 OptiView Panel Purge Panel PURGE LINE CHARGING OptiView Panel INVERTER FAULT BATTERY + ENABLE (UPS) PURGE DRAIN BATTERY - TB7-16 TB7-53 FAULT DRAIN LD27270 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 34 INPUT GREEN J8-1 J7-12 Microboard SIG IN 031-03630 BLACK J7-24 INPUT J8-15 INPUT BLACK J7-23 INPUT BLACK Stall Detector WHITE Discharge Pressure 5VDC OUT2 OUT1 031-02418-001 LD14737b Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 35 Cable 130: VSD to Purge Panel (P-VSD) Cable 51: Purge Tank High Level Switch Cable 131: OptiView to Purge Panel located under Purge Unit Shelf (P- OV) Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 36 Purge connections for OptiView control panel Figure 20: Purge connections for OptiView control panel 092-62925-000 REV B, SHT. 2 Cable 128 Optiview to Purge Pump Sols. Cable 131 Optiview to Purge Panel LD27271 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 37 Cable 50: Purge Suction Temp. Note: Before assembling the grommet system to the OptiView control panel, remove the grommet cable and insert fibre cables from the HGBP (optional) sales kit. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 38 N N N K120 K121 K122 BOT. GRN/YEL 14-7P * BLK = 120 Volts. LD23461 Item Description K120 Purge Compressor Relay K121 Purge Pump Relay K122 Regen Tank Relay Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 39 Figure 22: Purge panel enclosure and schematics for 60 Hz 035-26662-001 REV -, SHT. 1 P-VSD K120 BLK/RED K121 K122 P-OV K120 SUPR K121 SUPR K122 SUPR LD23462 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 40 1. Install 8A class CC fuse between Terminal 2 and Terminal 7 on the LV side. 2. Install 5A class CC fuse between Terminal 2 and Terminal 7 and 5-8 on the HV side. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 41 Figure 23: Purge panel enclosure and schematics for 50 Hz 035-26662-002 P-VSD REV -, SHT. 1 K120 K121 K122 P-OV K120 SUPR K121 SUPR K122 SUPR LD23464 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 42 LD27176 Purge pump sol. end Purge inlet sol. end Location Wire code Color Location Wire code Color Not used Not used Not used Not used GRN/YEL GRN/YEL Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 43 Purge Inlet Sols. OV PANEL END “Y” PURGE INLET SOL END 025-49211-000 Wire Entry View LD27177 Item Description BLK/29B (120 Volts) WHT/2M BLK/29C WHT/2N GRN-YEL/GND Not used GRN-YEL/GND A Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 44 025-45932-000 Wire Entry View LD23481a Table 5: Cable 130: VSD end Pinout No. Wire/Signal names BLK/L WHT/2 Not used GRN-YEL/GND Not used Not used Contact Pin Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 45 025-45933-000 Wire Entry View LD23482a Table 6: Cable 130: Purge panel end Pinout No. Wire/Signal names BLK/L WHT/2 Not used GRN-YEL/GND Not used Not used Not used Key Insert Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 46 Cable 131: Purge Panel to OptiView 025-49211-000 Wire Entry View LD23481b Table 7: Cable 131: OptiView panel end Pinout No. Wire/Signal names Not used Not used BLK/29A BLK/165 BLK/34 WHT/2L Contact Pin Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 47 REV E, SHT. 1 025-49301-000 Wire Entry View LD23482b Table 8: Cable 131: Purge panel end Pinout No. Wire/Signal names BLK/29A Contact Pin BLK/165 BLK/34 WHT/2L Not used Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 48 Figure 27: Purge connections for cables 49, 50, and 51 DRAIN Cable 49: Purge Coil Temp. DRAIN Cable 50: Purge Suction Temp. Cable 51: Purge Tank High Level Switch DRAIN LD23487 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 49 See Detail A Cable 50: Purge Suction Temp. See Detail A Cable 51: Purge Tank High Level Switch See Detail A Sensor Connector (Cap) Detail A LD23488 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 50 MBC cable connections from outside of the OptiView panel Figure 28: MBC cable connections from outside of the OptiView panel 092-62925-000 REV B, SHT. 2 Cable 19 (MBC) LD27273 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 51 REV B, SHT. 4 Cable 19 Cable 129 MBC to I/O OptiView VSD to MBC (HV) Cable 132 (120) VSD to MBC (LV) Fiber Cable to OptiView LD27274 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 52 To A2T1 To J1B Port MBC Condition MBC LV MBC HV Ethernet Cable 19 Cable 129 Cable 132 LD23491 Note: Spares are not connected inside the MBC enclosure. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 53 Horizontal instead of Vertical (LV) (HV) FAUL Cable 129: Cable 132: VSD to MBC (HV) VSD to MBC (LV) Cable 120: Fiber Cable to OptiView LD27275 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 54 Cable 129: VSD to MBC (HV) 025-49211-000 Wire Entry View LD23495a Table 9: Cable 129: VSD end Pinout No. Wire/Signal names Not used RED/300VDC (CL) BLU/15VDDC (CL)BLK/COM BLK/COM ORG/GND Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 55 025-49301-000 Wire Entry View LD23496a Table 10: Cable 129: MBC (HV) end Pinout No. Wire/Signal names Contact Pin RED/300VDC (CL) BLU/15VDC (CL) BLK/COM ORG/GND Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 56 025-49209-000 Wire Entry View LD23495b Table 11: Cable 132: VSD end Pinout No. Wire/Signal names RED(1)/MBC +24VDC (CL) Not used BLK(1)/MBC 24RTN RED(2)/IO +24VDC (CL) BLK(2)/IO 24RTN Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 57 025-49304-000 Wire Entry View LD23496b Table 12: Cable 132: MBC (HV) end Pinout No. Wire/Signal names RED(1)MBC +24VDC (CL) Contact Pin BLK(1)MBC 24RTN RED(2)/IO +24VDC(CL) BLK(2)/IO 24RTN Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 58 MBC connections for cable 19 and cable 120 Figure 34: MBC connections for cable 19 TB7-162 DRAIN 03631 TB15-70 TB7-162 03631 TB15-18 Cable 19: P7-16 MBC to OptiView P7-3 OPTIVIEW END LD27276a Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 59 Pinout no. Signal/Color Pinout no. Signal/Color Contact Pin Drain TB7-162 RED J7-3 BLK TB15-70 BLK Not used TB7-162 RED Not used TB15-18 BLK Not used J7-16 RED Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 60 Figure 35: MBC connections for cable 120 VSD Fiber Comms End Cable 120: VSD/MBC Fiber to OptiView Panel Blue Gray Connector Connector MBC Fiber Comms End Blue Gray Connector Connector LD27276b Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 61 VSD/MBC Fiber to OptiView Panel OV Panel End LD27277b Note: See Figure 3 for TB15 details, Figure 30 for P7 details, and Figure 11 for TB7 details. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 62 From Cable 23 Red to TB7-162 P7 From Red to TB7-162 Black to TB7-5 Cable 19 Grn to TB7-5 White to TB6-2 Microboard LD27278 From Cable 29 & 48 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 63 Cable 52 (OV Fault To VSD) Cable 24 (Discharge Pressure) Cable 7 (Evap. Refrigerant Temp.) Cable 11 (Evap. Pressure) Cable 2 (Discharge Temp.) Cable 15 (Refrigerant Level) Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 64 Pinout Signal/Color Pinout Signal/Color Contact Pin Drain TB7-162 RED J7-3 BLK TB15-70 BLK Not used TB7-162 RED Not used TB15-18 BLK Not used J7-16 RED Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 65 Detail D Below DRAIN Cable 11: Evaportator Pressure Detail D Below DRAIN Cable 12: Condenser Pressure Detail D Below (PIN 1) (PIN 2) (PIN 3) LD23068b Detail D Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 66 Cable 9: Return Chilled Water Temp. DRAIN Cable 1: Leaving Chilled Water (PIN 1) (PIN 2) (PIN 3) Detail D DRAIN Cable 24: Discharge Pressure Detail D Above LD23069 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 67 SENSOR CONNECTOR (CAP) Detail B Detail A LD23070 Pinout Signal/Color Pinout Signal/Color TB7-16 BLK Not used TB7-53 RED Not used Contact Pin Drain Not used – – Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 68 Motor Cooling Booster 025-49211-000 Wire Entry View LD23071 Item Description Item Description Not used WHT/2H Contact Pin GRN-YEL/GND Not used Not used BLK/163 – – Wire code Color GRN/YEL Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 69 Block Term, Self Grounding WPE 4 025-39407-000 467020 Plate, End, WAP 2.5/2 025-44579-000 837886 Terminal, W-Series, WDU 4 025-44576-000 837883 Tag, Marking, DEK 5/6 MC 025-50302-000 5437073 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 70 1020A and 1280A VSD Connector Plate will be Horizontal instead of Vertical (LV) (HV) FAUL Cable 52 VSD to Optiview Fault LD27290 Note: See VSD connections for Cable 52 details. Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 71 See Detail C Cable 24 Detail B Discharge Pressure Cable 48 Condenser Refrigerant Temp. Cable 15 Refrigerant Cable 6 Drop Leg Level to Optiview™ Refrigerant Temp. Detail C LD27291 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 72 See Detail F EVAPORATOR Cable 11 Cable 9 Evaporator Entering Chilled Pressure Water Temp. See Detail F Cable 12 Condenser Pressure BLACK Detail F Temp. Sensors Cables 1,4,5,9 LD23073 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 73 See Detail J See Detail L Cable 2 Discharge Cable 39 HPCO Switch Detail L Cable 29 Motor Housing Temp. Cable 33 Motor Cooling Valve LD23075 Detail K Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 74 REV B, SHT.7 Hot Gas Bypass See Detail G See Detail H Cable 22 Cable 23 Orifice Variable Actuator Detail H (Optional) Hot Gas Bypass LD23074 Detail G Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 75 VSD connections from OptiVew panel Figure 49: VSD connections from OptiVew panel 092-62925-000 Cable 120: Optiview to REV B, SHT. 2 VSD/MBC Fiber Comms Cable 126 Optiview to VSD LD27293 Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 76 Figure 50: VSD shielded cable entry view from outside of OptiView panel 092-62925-000 REV B SHT.2 Shielded Cable Entry View Cable 52 LD27294 From Outside of The Panel (OptiView Fault to VSD) Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 77 (Cable 129) VSD to MBC (HV) (Cable 133) VSD to OptiView (UPS) (Cable 130) VSD to Purge Panel (Cable 52) VSD to OptiView Fault (Cable 126) VSD to OptiView Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 78 VSD connections for cables Figure 52: VSD connections for cable 52 TB7-53 OPTIVIEW Cable 52: VSD to OptiView TB7-16 LD23206a Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 79 Cable 52: VSD to OptiView 025-49304-000 Wire Entry View LD23207a Table 15: Cable 52 VSD end Item Description TB7-16/BLK TB7-53/RED Contact Pin Not used Not used Not used Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 80 VSD to VGD 025-49209-000 Wire Entry View LD23206b Table 16: Cable 124 VSD end Item Description RED/+48 VDC BLK/RTN BRN/GND Contact Pin Not used Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 81 Wire Entry View LD23207b Table 17: Cable 124 VGD end Item Description Not used Not used Not used Not used Not used Red/+48 VDC BLK/RTN Not used BRN/GND Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 82 Figure 54: VSD connections for cable 125 (motor end) Cable 125: MOTOR VSD to Motor LD23208a Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 83 Bare/Drain BLK (FROM WHT) Not used Not used BLK (FROM YEL) Not used Not used BLK (FROM GRN) Not used Not used BLK (FROM BRN) – – Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 84 VSD to OptiView Panel VSD END 025-45932-000 Wire Entry View LD23208a Table 19: Cable 126 VSD end connections Item Description BLK/CLL WHT/2 BLK/L GRN-YEL/GND BLK/24 BLK/R24 Not used Contact Pin Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 85 OPTIVIEW PANEL END 025-45933-000 Wire Entry View LD23209b Table 20: Cable 126 OptiView panel end connections Item Description BLK/CLL WHT/2 BLK/L GRN-YEL/GND BLK/24 BLK/R24 Contact Pin Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 86 VSD END 025-49211-000 Wire Entry View LD23210a Table 21: Cable 129 VSD end connections Item Description Not used RED/300VDC (CL) BLU/15VDC (CL) BLK/COM ORG/GND Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 87 VSD to MBC (HV) 025-49301-000 Wire Entry View LD23211a Table 22: Cable 129 MBC (HV) end connections Item Description Contact Pin RED/300VDC (CL) BLU/15VDC (CL) BLK/COM ORG/GND Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 88 025-45932-000 Wire Entry View LD23210b Table 23: Cable 130 VSD end connections Item Description BLK/L WHT/2 Not used GRN-YEL/GND Not used Not used Contact Pin Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 89 025-45933-000 Wire Entry View LD23211b Table 24: Cable 130 purge panel end connections Item Description BLK/L WHT/2 Not used GRN-YEL/GND Not used Not used Not used Contact Pin Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 90 025-49209-000 Wire Entry View LD23212a Table 25: Cable 132 VSD end connections Item Description RED/MBC +24VDC (CL) Not used BLK/MBC 24RTN RED/IO +24VDC (CL) BLK/IO 24RTN Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 91 025-49304-000 Wire Entry View Table 26: Cable 132 MBC end connections Item Description RED/MBC +24VDC (CL) Contact Pin BLK/MBC 24RTN RED/IO +24VDC (CL) BLK/IO 24RTN Contact Pin Bare/Drain Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 92 Item Description ORG/UPS Line-Charging Bare/Drain GRN/UPS Line Inverter BLK/UPS Battery (-) BRN/UPS Fault YEL/12V Not used Not used RED/UPS Battery (+) Not used BLU/UPS Enable Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 93 Item Description ORG/UPS LINE-CHARGING Bare/Drain GRN/UPS LINE INVERTER BLK/UPS Battery (-) BRN/UPS Fault YEL/12V Contact Pin Not used RED/UPS Battery (+) Not used BLU/UPS Enable Not used Unit Wiring and Field Connections for YZ Centrifugal Chiller with Magnetic Bearing Controller...
  • Page 94 © 2020 Johnson Controls. All rights reserved. All specifications and other information shown were current as of document revision and are subject to change without notice. www.johnsoncontrols.com...