York YCAV0267E, Installation Operation & Maintenance

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7
JOHNSON CONTROLS
FORM 201.21-NM3 (616)
SECTION 9 - MAINTENANCE
R-134A CONVERSION TABLES .........................328
MAINTENANCE ...................................................329
General Requirements ........................................329
MAINTENANCE REQUIREMENTS ...................330
TROUBLESHOOTING GUIDE ............................332
EVACUATING A SYSTEM ...................................334
WARRANTY POLICY ...........................................335
New Equipment ..................................................335
Reconditioned or Replacement Materials...........335
All Warranties are VIOD if .................................335
CHILLED LIQUID & SUCTION TEMP
SENSOR INPUT VOLTAGE TABLE ....................336
OUTSIDE AIR TEMP SENSOR INPUT
VOLTAGE TABLE .................................................337
PRESSURE TRANSDUCER OUTPUT
VOLTAGE TABLE .................................................338
MOTOR TEMPERATURE SENSOR
RESISTANCE TABLE ...........................................339
COMPRESSOR MOTOR OVERLOAD SETTINGS
& MAXIMUM VSD FREQUENCY ..................340
PRINTER WIRING ................................................341
Okidata 184.........................................................342
Weigh-Tronix IMP Model 2600 .........................342
Seiko ...................................................................342
OPERATING LOG .................................................343
Site and Chiller Info ...........................................343
Programmed Values ............................................343
Unit Operating Temperature, Pressures,
& Currents .......................................................344
System Operating Conditions .............................345
Water System Conditions ...................................346
Condensor Conditions ........................................346
RECOMMENDED SPARE PARTS .......................347
LIST OF TABLES
Table 1 - Compressors and the Appropriate Jumper
Positions ..................................................204
Table 2 - VSD Logic Board Address Jumper ..........204
Table 3 - Maximum Frequency Jumper ..................205
Table 4 - Fuzzy Logic Loading/Unloading
vs. Error ...................................................214
Table 5 - Fuzzy Logic Loading/Unloading
vs. Error ...................................................217
Table 6 - Current Load Limiting/Unloading ...........218
Table 7 - Discharge Pressure Load Limiting/
Unloading .................................................218
Table 8 - Suction Pressure Load Limiting/
Unloading .................................................219
Table 9 - VSD Internal Ambient Load Limiting/
Unloading ................................................219
Table 10 - VSD Baseplate Temperature Load
Limiting/Unloading ...............................220
Table 11 - Fan Stages & Corresponding Outputs....225
Table 12 - VSD Operating Display Parameters ......239
Table 13 - Low Differential Oil Pressure Cutout ...256
Table 14 - Start Inhibit Sensor Thresholds ..............258
Table 15 - Sensor Min./Max. Outputs .....................268
Table 16 - Setpoint Limits .......................................282
Table 17 - Programmable Operating Parameters ....285
Table 18 - Printout Types ........................................295
Table 19 - Unit Setup Programmable Values ..........308
Table 20 - Serial Port Connections .........................311
Table 21 - Analog Input Connections .....................312
Table 22 - Digital Input Connections ......................314
Table 23 - Analog Output Connections ...................316
Table 24 - Digital Output Connections ...................318
Table 25 - Mustang Chiller YORK Talk
Control Data ..........................................320
Table 26 - DXST/ISN Transmitted Data .................321
Table 27 - Fault Inhibit Codes ................................325
Table 28 - Operational Status Codes .......................327
Table 29 - R-134a Pressure to Saturated
Temperature Conversion .......................328
Table 30 - Temperature Input Voltage Sensor .........336
Table 31 - Outside Air Temperature Input Voltage .337
Table 32 - Pressure Transducer Input Voltage.........338
Table 33 - Motor Temperature Sensor Resistance ..339
Table 34 - Compressor Motor Overload Settings &
Max. VSD Frequency ............................340