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)