Johnson Controls YORK OPTIVIEW YK Series Service Instructions Manual page 10

Centrifugal liquid chillers with optiview control center
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FORM 160.54-M1
LIST OF FIGURES (CONT'D)
FIGURE 42 - Keypad...............................................................................................................................................99
FIGURE 43 - Power Supply...................................................................................................................................101
Wiring Diagram for Wire Connections) ............................................................................................102
FIGURE 45 - CM-2 Current Module (Electro-Mechanical Starter Application) ...................................................... 105
FIGURE 46 - CM-2 Current Module (Electro-Mechanical Starter Applications) .................................................... 105
FIGURE 51 - Solid State Starter Logic Board ....................................................................................................... 112
FIGURE 52 - Mod A Liquid Cooled Solid State Starter (LCSSS) - Interface ........................................................ 115
FIGURE 54 - Serial Communications Interface - YORK Protocol .......................................................................127
FIGURE 55 - Serial Communications Interface - YORK Protocol .......................................................................127
FIGURE 56 - Serial Communications Interface - Modbus Protocol .....................................................................128
FIGURE 57 - Adaptive Capacity Control (ACC) Board ..........................................................................................129
FIGURE 58 - Proximity Probe Interface - Probe Part Number 025-30961-000 .................................................... 134
FIGURE 60 - Proximity Probe Interface - Probe Part Number 025-40496-000 .................................................... 135
FIGURE 61 - Proximity Probe ...............................................................................................................................136
FIGURE 62 - High Speed Thrust Bearing Limit Switch - Interface .......................................................................137
FIGURE 63 - High Speed Thrust Bearing Limit Switch .........................................................................................138
FIGURE 64 - Refrigerant Liquid Level Sensor ......................................................................................................142
FIGURE 65 - Refrigerant Liquid Level Control - Interface ...................................................................................143
FIGURE 66 - Oil Pump Variable Speed Drive (VSD) ............................................................................................147
FIGURE 67 - Oil Pump VSD / Oil Heater Control - Interface ................................................................................148
FIGURE 68 - Oil Pump VSD Speed Control Signal...............................................................................................148
FIGURE 69 - E-Link Gateway Interface Block Diagram ........................................................................................149
FIGURE 70 - Pressure Transducers......................................................................................................................152
FIGURE 71 - Interface, Hot Gas Bypass (Analog I/O Board 371-02514-000) ...................................................... 189
FIGURE 72 - Interface, Hot Gas Bypass (I/O Board 031-02895-000)...................................................................190
FIGURE 73 - Variable Geometry Diffuser Block Diagram .....................................................................................202
FIGURE 74 - Variable Geometry Diffuser State Diagram ......................................................................................203
FIGURE 75 - LTC I/O Board Basic Block Diagram ................................................................................................206
FIGURE 76 - 120VAC Digital Input ........................................................................................................................206
FIGURE 77 - +5VDC Digital Input .........................................................................................................................207
FIGURE 78 - Relay Outputs ..................................................................................................................................207
FIGURE 79 - Triac Outputs ...................................................................................................................................207
FIGURE 80 - Open Collector .................................................................................................................................208
FIGURE 81 - Analog Inputs ...................................................................................................................................208
FIGURE 82 - Analog Outputs ................................................................................................................................209
FIGURE 83 - I/O Board (031-02895-XXX) ............................................................................................................210
FIGURE 84 - Heat Recovery Block Diagram.........................................................................................................212
10
JOHNSON CONTROLS

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