York MILLENIUM YCAS Series Installation Operation & Maintenance page 5

5. ENTRY KEYS ....................................................................................................................................... 129
5.1 General ....................................................................................................................129
5.2 Numerical Keypad ..................................................................................................129
5.3 Enter Key ...............................................................................................................129
5.4 Cancel Key .............................................................................................................129
!" # !" # Keys ..........................................................................................................129 !" #
!" # !" #
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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
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SECTION 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
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SECTION TROUBLESHOOTING .................................................................................................. 151
Competent Persons Troubleshooting Guide .......................................................................................... 151
Sensor Calibration Charts .................................................................................................................... 153
Limited Warranty Applied Systems ...................................................................................................... 154
Temperature Conversion Chart ............................................................................................................. 155
YORK INTERNATIONAL
TABLE OF CONTENTS (CONT'D)
FORM 201.18-NM6
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