York YLUA0248 Series Installation Operation & Maintenance page 9

FORM 150.73-NM2
ISSUE DATE: 09/07/2020
LIST OF TABLES
TABLE 1 - Fitting Equivalent Lengths .....................................................................................................................38
TABLE 2 - Refrigerant Piping Charges ...................................................................................................................38
TABLE 3 - Miscellaneous Liquid Line Pressure Drops ...........................................................................................38
TABLE 4 - Refrigerant Line Connections ...............................................................................................................39
TABLE 5 - Refrigerant Line Pressure Drops (English) ...........................................................................................41
TABLE 6 - Voltage Limitations ................................................................................................................................45
TABLE 7 - Physical Data (English) .........................................................................................................................46
TABLE 8 - Micro Panel Power Supply ....................................................................................................................47
TABLE 9 - Voltage Range ......................................................................................................................................47
TABLE 10 - Unit Electrical Data .............................................................................................................................48
TABLE 11 - Lug Sizing ...........................................................................................................................................49
TABLE 12 - Status Key Messages Quick Reference List .....................................................................................101
TABLE 13 - Operation Data ..................................................................................................................................105
TABLE 14 - Cooling Setpoints Programmable Limits And Defaults ..................................................................... 116
TABLE 15 - Program Key Limits And Defaults ..................................................................................................... 116
TABLE 16 - Discharge Air Temperature Control For 5 And 6 Compressors (7 And 8 Steps) .................................. 126
TABLE 17 - Discharge Air Temperature Control For 4 Compressors (6 Steps) ................................................... 126
TABLE 18 - YLUA0248 - YLUA0298 Condenser Fan Control Using Outdoor Ambient Temperature
And Discharge Pressure .................................................................................................................129
TABLE 19 - YLUA0248 - YLUA0298 Condenser Fan Control Using Discharge Pressure Only .......................... 129
TABLE 20 - YLUA0248 - YLUA0298 Low Ambient Condenser Fan Control - Discharge Pressure Control ....... 130
TABLE 21 - YLUA0308 - YLUA0408 Condenser Fan Control ............................................................................131
TABLE 22 - YLUA0468 - YLUA0498 Condenser Fan Control ............................................................................132
TABLE 23 - Compressor Operation - Load Limiting ............................................................................................133
TABLE 24 - I/O Digital Inputs ...............................................................................................................................137
TABLE 25 - I/O Digital Outputs .............................................................................................................................137
TABLE 26 - I/O Analog Inputs ..............................................................................................................................137
TABLE 27 - I/O Analog Outputs ............................................................................................................................137
TABLE 28 - Outdoor Air Sensor Temperature/Voltage/ Correlation ......................................................................139
TABLE 29 - Discharge Air Temp. Sensor Temperature/Voltage/Resistance Correlation ...................................... 140
TABLE 30 - Pressure Transducers .......................................................................................................................141
TABLE 31 - Troubleshooting ................................................................................................................................144
TABLE 32 - ISN Received Data ...........................................................................................................................148
TABLE 33 - ISN Transmitted Data ........................................................................................................................148
TABLE 34 - ISN Operational And Fault Codes .....................................................................................................150
TABLE 35 - Minimum, Maximum And Default Values ..........................................................................................152
TABLE 36 - Real Time Error Numbers .................................................................................................................152
TABLE 37 - Serial Communication Analog Value Data ........................................................................................153
TABLE 38 - Serial Communication Binary Value Data .........................................................................................153
TABLE 39 - Serial Communication Analog Input Data .........................................................................................153
TABLE 40 - Serial Communication Binary Input Data ..........................................................................................155
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JOHNSON CONTROLS