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JOHNSON CONTROLS

FORM 150.73-NM1

ISSUE DATE: 09/04/2020

LIST OF TABLES

TABLE 1 - Fitting Equivalent Lengths ..................................................................................................................... 36

TABLE 2 - Refrigerant Piping Charges ................................................................................................................... 36

TABLE 3 - Miscellaneous Liquid Line Pressure Drops ........................................................................................... 36

TABLE 4 - Refrigerant Line Connections ............................................................................................................... 37

TABLE 5 - Refrigerant Line Pressure Drops (English) ........................................................................................... 39

TABLE 6 - Voltage Limitations ................................................................................................................................ 43

TABLE 7 - Physical Data (English) ......................................................................................................................... 44

TABLE 8 - Micro Panel Power Supply .................................................................................................................... 45

TABLE 9 - Voltage Range ...................................................................................................................................... 45

TABLE 10 - Standard Efficiency Unit Electrical Data (4 compr) ............................................................................. 46

TABLE 11 - Standard Efficiency Unit Electrical Data (5 compr) ............................................................................. 47

TABLE 12 - Standard Efficiency Unit Electrical Data (6 compr) ............................................................................. 49

TABLE 13 - High Efficiency Unit Electrical Data (4 compr) .................................................................................... 49

TABLE 14 - High Efficiency Unit Electrical Data (5 compr) .................................................................................... 49

TABLE 15 - Standard Efficiency Unit Electrical Data (4 compr) ............................................................................. 50

TABLE 16 - Standard Efficiency Unit Electrical Data (5 compr) ............................................................................. 50

TABLE 17 - Standard Efficiency Unit Electrical Data (6 compr) ............................................................................. 53

TABLE 18 - High Efficiency Unit Electrical Data (4 compr) .................................................................................... 53

TABLE 19 - High Efficiency Unit Electrical Data (5 compr) .................................................................................... 53

TABLE 20 - Lug Sizing ........................................................................................................................................... 54

TABLE 21 - Cooling Setpoints Programmable Limits and Defaults ...................................................................... 122

TABLE 22 - Program and Defaults ....................................................................................................................... 122

TABLE 23 - Discharge Air Temperature Control For 5 and 6 Compressors (7 and 8 Steps) ............................... 132

TABLE 24 - Discharge Air Temperature Control For 4 Compressors (6 Steps) ................................................... 132

TABLE 25 - YLUA0078 – YLUA0095 Condenser Fan Control Using Outdoor Ambient Temperature

and Discharge Pressure ................................................................................................................. 135

TABLE 26 - YLUA0078 – YLUA0095 Condenser Fan Control Using Discharge Pressure Only .......................... 135

TABLE 27 - YLUA0078 – YLUA0095 Low Ambient Condenser Fan Control –

Discharge Pressure Control .............................................................................................................. 136

TABLE 28 - YLUA0098 – YLUA0130 Condenser Fan Control ............................................................................. 137

TABLE 29 - YLUA0148 – YLUA0158 Condenser Fan Control ............................................................................. 138

TABLE 30 - Compressor Operation – Load Limiting ............................................................................................ 139

TABLE 31 - I/O Digital Inputs ............................................................................................................................... 143

TABLE 32 - I/O Digital Outputs ............................................................................................................................. 143

TABLE 33 - I/O Analog Inputs .............................................................................................................................. 143

TABLE 34 - I/O Analog Outputs ............................................................................................................................ 143

TABLE 35 - Outdoor Air Sensor Temperature/Voltage/Correlation ....................................................................... 145

TABLE 36 - Discharge Air Temperature Sensor Temperature/Voltage/Resistance Correlation ........................... 146

TABLE 37 - Pressure Transducers ....................................................................................................................... 147

TABLE 38 - Troubleshooting ................................................................................................................................ 150

TABLE 39 - ISN Received Data ........................................................................................................................... 154

TABLE 40 - ISN Transmitted Data ........................................................................................................................ 154

TABLE 41 - ISN Operational and Fault Codes ..................................................................................................... 156

TABLE 42 - Minimum, Maximum and Default Values ........................................................................................... 158

TABLE 43 - Real Time Error Numbers ................................................................................................................. 158

TABLE 44 - Serial Communication Analog Value Data ........................................................................................ 159

TABLE 45 - Serial Communication Binary Value Data ......................................................................................... 159

TABLE 46 - Serial Communication Analog Input Data ......................................................................................... 159

TABLE 47 - Serial Communication Binary Input Data .......................................................................................... 161

TABLE 48 - Temperature Conversion Chart - Actual Temperature ....................................................................... 162

TABLE 49 - Temperature Conversion Chart Differential Temperatures ................................................................ 162

TABLE 50 - Pressure Conversion Chart - Gauge Or Differential ......................................................................... 163

TABLE 51 - R-410a Pressure Temperature Chart ................................................................................................ 163

Brand	York
Model	YLUA0078
Category	Heat Pump
Language	English

York YLUA0078 User Manual

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York YLUA0078 Specifications

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