5YORK INTERNATIONAL
FORM 201.18-NM1 (102)
5. ENTRY KEYS .................................................................................................................................... 135
5.1 General .................................................................................................................. 135
5.2 Numerical Keypad ................................................................................................ 135
5.3 Enter Key .............................................................................................................. 135
5.4 Cancel Key ............................................................................................................ 135
5.5 á â Keys ..........................................................................................................135
6. SETPOINTS KEYS & CHILLED LIQUID CONTROL................................................................ 136
6.1 General .................................................................................................................. 136
6.2 Chilled Liquid Temperature Control .................................................................... 136
6.3 Local Cooling Setpoints Key ................................................................................139
6.4 Remote Cooling Setpoints Key............................................................................. 139
7. CLOCK KEYS ............................................................................................................................... 140
7.1 General .................................................................................................................. 140
7.2 Set Time Key......................................................................................................... 140
7.3 Set Schedule / Holiday Key .................................................................................. 141
7.4 Manual Override Key ........................................................................................... 142
8. PROGRAM KEY ............................................................................................................................... 143
8.1 General .................................................................................................................. 143
8.2 Program Key – User Programmable Values .........................................................143
8.3 Programming “Default” Values ............................................................................ 147
8.4 4 Condenser Fan Control ...................................................................................... 148
SECTION 9 MAINTENANCE.......................................................................................................... 155
General Requirements .........................................................................................................................155
Daily Maintenance..................................................................................................................................155
Scheduled Maintenance ..........................................................................................................................155
Chiller / Compressor Operating Log ......................................................................................................155
Compressor Unit Operation ................................................................................................................ 156
Maintenance Requirements................................................................................................................. 157
General Periodic Maintenance Checks – Standard Units................................................................ 168
SECTION 10 SPARE PARTS..............................................................................................................159
Recommended Spares ............................................................................................................................ 159
Recommended Compressor Oils ............................................................................................................159
Associated Drawings .............................................................................................................................. 159
SECTION 11 TROUBLESHOOTING ............................................................................................... 160
Competent Persons Troubleshooting Guide ...................................................................................... 160
Sensor Calibration Charts................................................................................................................... 162
Limited Warranty Applied Systems ................................................................................................... 163
Temperature Conversion Chart .......................................................................................................... 164
YORK Service Offices ......................................................................................................................... 165
TABLE OF CONTENTS (CONT’D)
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