York MILLENIUM YCAS Series, Installation Operation & Maintenance, Page: 5 / 156

5
YORK INTERNATIONAL
FORM 201.18-NM6
5. ENTRY KEYS ....................................................................................................................................... 129
5.1 General .................................................................................................................... 129
5.2 Numerical Keypad .................................................................................................. 129
5.3 Enter Key ...............................................................................................................129
5.4 Cancel Key .............................................................................................................129
5.5
!" # !" # !" # !" # !" #
Keys .......................................................................................................... 129
6. SETPOINTS KEYS & CHILLED LIQUID CONTROL .......................................................................... 130
6.1 General .................................................................................................................... 130
6.2 Chilled Liquid Temperature Control ....................................................................... 130
6.3 Local Cooling Setpoints Key ................................................................................. 133
6.4 Remote Cooling Setpoints Key .............................................................................. 133
7. CLOCK KEYS ............................................................................................................................... 134
7.1 General .................................................................................................................... 134
7.2 Set Time Key .......................................................................................................... 134
7.3 Set Schedule / Holiday Key ................................................................................... 135
7.4 Manual Override Key ............................................................................................. 136
8. PROGRAM KEY ............................................................................................................................... 137
8.1 General .................................................................................................................... 137
8.2 Program Key – User Programmable Values ............................................................ 137
8.3 Programming “Default” Values .............................................................................. 141
8.4 4 Condenser Fan Control .......................................................................................142
SECTION
9
MAINTENANCE ............................................................................................................. 146
General Requirements ........................................................................................................................... 146
Daily Maintenance ................................................................................................................................... 146
Scheduled Maintenance .......................................................................................................................... 146
Chiller/Compressor Operating Log .......................................................................................................... 146
Compressor Unit Operation .................................................................................................................. 147
Maintenance Requirements ................................................................................................................... 148
General Periodic Maintenance Checks – Standard Units .................................................................... 149
SECTION
10
SPARE PARTS ............................................................................................................... 150
Recommended Spares .............................................................................................................................. 150
Recommended Compressor Oils ..............................................................................................................150
Associated Drawings .............................................................................................................................. 150
SECTION
11
TROUBLESHOOTING .................................................................................................. 151
Competent Persons Troubleshooting Guide .......................................................................................... 151
Sensor Calibration Charts .................................................................................................................... 153
Limited Warranty Applied Systems ...................................................................................................... 154
Temperature Conversion Chart ............................................................................................................. 155
TABLE OF CONTENTS (CONT’D)