York YCAS0098EB Installation Operation & Maintenance page 7

Air-cooled liquid chillers
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5. ENTRY KEYS .................................................................................................................................... 152
5.1
152
5.2
Numerical Keypad .................................................................................................................... 152
5.3
5.4
5.5
  Keys .............................................................................................................................. 152
6. SETPOINTS KEYS & CHILLED LIQUID CONTROL .................................................................. 153
6.1
153
6.2
Chilled Liquid Temperature Control ......................................................................................... 153
6.3
Local Cooling Setpoints Key .................................................................................................... 156
6.4
Remote Cooling Setpoints Key ................................................................................................ 156
.............................................................................................................................. 157
7.1
157
7.2
Set Time Key ............................................................................................................................ 157
7.3
Set Schedule / Holiday Key ...................................................................................................... 158
7.4
Manual Override Key ............................................................................................................... 159
............................................................................................................................. 160
8.1
160
8.2
Program Key - User Programmable Values ............................................................................. 160
8.3
Programming "Default" Values ................................................................................................ 164
8.4
4 Condenser Fan Control .......................................................................................................... 165
9
MAINTENANCE .......................................................................................................... 169
General Requirements ......................................................................................................................... 169
Daily Maintenance ................................................................................................................................. 169
Scheduled Maintenance ......................................................................................................................... 169
Chiller/Compressor Operating Log ........................................................................................................ 169
Compressor Unit Operation ................................................................................................................. 170
Maintenance Requirements ................................................................................................................. 171
General Periodic Maintenance Checks - Standard Units ................................................................ 172
SECTION
10
SPARE PARTS .............................................................................................................. 173
Recommended Spares ............................................................................................................................ 173
Recommended Compressor Oils ............................................................................................................ 173
Associated Drawings .............................................................................................................................. 173
11
TROUBLESHOOTING ............................................................................................... 174
Competent Persons Troubleshooting Guide ...................................................................................... 174
Sensor Calibration Charts ................................................................................................................... 176
Limited Warranty Applied Systems ................................................................................................... 177
Temperature Conversion Chart .......................................................................................................... 178
JOHNSON CONTROLS
TABLE OF CONTENTS (CONT'D)
FORM 201.18-NM7
7

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