Table of Contents
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1
Fitting Equivalent Lengths ................................................................................................ 13
2
Miscellaneous Liquid Line Pressure Drops .................................................................... 13
3
Refrigerant Piping Charges ............................................................................................. 13
4
Refrigerant Line Connections .......................................................................................... 13
5
Refrigerant Line Pressure Drops (English) ..................................................................... 14
6
Refrigerant Line Pressure Drops (Metric) ........................................................................ 16
7
Micropanel Power Supply ................................................................................................. 25
8
Voltage Limitations (English) ........................................................................................... 30
9
Physical Data .................................................................................................................... 32
10
Setpoint Entry List ............................................................................................................. 92
11
Status Key Messages ..................................................................................................... 102
12
Operator Data Quick Reference ..................................................................................... 106
13
Cooling Setpoints Programmable Limits & Defaults .................................................... 113
14
Program Key Limits & Defaults ...................................................................................... 115
15
Setpoints Key Quick Reference ...................................................................................... 116
16
Unit Keys Programming Quick Reference ..................................................................... 120
17
Discharge Air Temperature Control - 6 Compressors ................................................. 122
18
Discharge Air Temperature Control - 4 Compressors ................................................. 122
19
Discharge Air Temperature Control - 3 Compressors ................................................. 122
20
Discharge Air Temperature Control - 2 Compressors ................................................. 122
21
Temperature And Discharge Pressure .......................................................................... 124
22
Condenser Fan Control Using Discharge Only ............................................................. 124
23
Temperature And Discharge Pressure Control ............................................................. 125
24
Pressure Control ............................................................................................................ 125
25
Compressor Operation - Load Limiting ........................................................................ 126
26
Microboard Binary Inputs ................................................................................................ 131
27
Microboard Analog Inputs ............................................................................................... 131
28
Microboard Outputs ........................................................................................................ 131
29
Outdoor Air Sensor - Temperature/Voltage/Resistance
Correlation ...................................................................................................................... 134
30
Discharge Air Temperature Sensor - Temperature
Voltage/Resistance Correlation ..................................................................................... 134
31
Suction Temperature Sensor - Temperature/
Voltage/Resistance Correlation ..................................................................................... 135
32
To Voltage Conversion Formula ..................................................................................... 136
33
Voltage Conversion Formula .......................................................................................... 136
34
Keypad Pin Assignment Matrix ....................................................................................... 137
35
Troubleshooting Charts .......................................................................................... 139-141
36
ISN Received Data ......................................................................................................... 143
37
ISN Transmitted Data ..................................................................................................... 143
38
ISN Transmitted Data ..................................................................................................... 144
39
ISN Operational and Fault Codes .................................................................................. 145
YORK INTERNATIONAL
LIST OF TABLES
FORM 150.63-NM2
3
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