Johnson Controls YORK OPTIVIEW YK Series Service Instructions Manual page 11

FORM 160.54-M1
LIST OF FIGURES (CONT'D)
FIGURE 85 - PID Controller Diagram....................................................................................................................213
FIGURE 86 - Heat Recovery Flow Diagram ..........................................................................................................214
FIGURE 87 - Head Pressure Control Block Diagram ............................................................................................217
FIGURE 88 - Head Pressure Control Flow Diagram .............................................................................................218
FIGURE 89 - Heat Pump Duty Block Diagram ......................................................................................................230
FIGURE 90 - Motor Monitoring Board (031-02893-000/001) ................................................................................231
FIGURE 91 - Motor Monitoring Board Basic Block Diagram .................................................................................232
FIGURE 92 - Motor Monitoring Block Diagram .....................................................................................................234
FIGURE 93 - Winding Temperature - Thermistors ................................................................................................236
FIGURE 94 - Winding and Bearing Temperature - RTD .......................................................................................238
FIGURE 95 - Bearing Vibration Sensor .................................................................................................................239
FIGURE 96 - Motor Cooling Coil Leak Detector - Float Sensor ...........................................................................241
FIGURE 97 - Motor Cooling Coil Leak Detector - Optical Sensor ........................................................................242
FIGURE 98 - Diagnostics Screen ..........................................................................................................................278
FIGURE 99 - Main Diagnostics .............................................................................................................................279
FIGURE 100 - Motor Monitoring Board Diagnostic Screen ...................................................................................280
FIGURE 101 - I/O Board Diagnostic Screen .........................................................................................................282
FIGURE 102 - Keypad Test Screen .......................................................................................................................284
FIGURE 103 - Display Test Main Screen ..............................................................................................................285
FIGURE 104 - Bit Patterns Test Screen ................................................................................................................287
FIGURE 105 - Serial Inputs / Outputs Test Screen ...............................................................................................289
FIGURE 106 - Microboard - COM 5 Serial Data Port ............................................................................................290
FIGURE 107 - Digital inputs / Outputs Test Screen ...............................................................................................291
FIGURE 108 - Analog Inputs Test Screen .............................................................................................................294
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JOHNSON CONTROLS