York YCAL0019 Installation, Operation And Maintenance Manual page 8

Equipment Start-Up Checklist ...................................................................................................................... 149
Checking The System Prior To Initial Start .......................................................................................... 149
Unit Checks ..................................................................................................................................149
Compressor Heaters ...........................................................................................................................149
Panel Checks ......................................................................................................................................149
Checking Superheat And Subcooling ........................................................................................................... 150
Leak Checking .............................................................................................................................................. 151
Unit Operating Sequence ............................................................................................................................. 152
SECTION 7 - UNIT CONTROLS ..........................................................................................................................153
Introduction ................................................................................................................................................... 153
Ipu Ii And I/O Boards .................................................................................................................................... 153
Unit Switch ..........................................................................................................................................154
Display .................................................................................................................................................154
Keypad ................................................................................................................................................154
Battery Back-up ...................................................................................................................................154
Transformer ........................................................................................................................................154
Single System Select and Programming # of Compressors ............................................................... 154
Status Key .................................................................................................................................................... 155
Unit Status ...........................................................................................................................................155
General Status Messages ...................................................................................................................155
Fault Safety Status Messages ............................................................................................................. 156
System Safeties ...........................................................................................................................157
Unit Safeties .................................................................................................................................158
Unit Warning ........................................................................................................................................158
Status Key Messages ..........................................................................................................................160
DISPLAY/PRINT KEYS ................................................................................................................................ 161
Oper Data Key .....................................................................................................................................161
Oper Data Quick Reference List ......................................................................................................... 164
Print Key ..............................................................................................................................................164
Operating Data Printout .......................................................................................................................164
History Printout ....................................................................................................................................165
History Displays ...................................................................................................................................166
Software Version .................................................................................................................................168
Entry Keys .................................................................................................................................................... 169
Up and Down Arrow Keys ...................................................................................................................169
Enter/Adv Key .....................................................................................................................................169
Setpoints Keys ............................................................................................................................................. 170
Cooling Setpoints ................................................................................................................................170
Leaving Chilled Liquid Control ............................................................................................................. 170
Return Chilled Liquid Control .............................................................................................................. 171
Remote Setpoint Control .....................................................................................................................171
SCHEDULE/ADVANCE DAY KEY................................................................................................................ 172
PROGRAM KEY ........................................................................................................................................... 173
System Trip Volts .................................................................................................................................175
Unit Trip Volts ......................................................................................................................................175
Unit Keys ..................................................................................................................................................... 177
Options Key .........................................................................................................................................177
Option 1 - Language ...................................................................................................................177
Option 2 - System Switches: (two system units only) ................................................................. 177
Option 3 - Chilled Liquid Cooling Type: .......................................................................................177
Option 4 - Ambient Control Type .................................................................................................178
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TABLE OF CONTENTS (CONT'D)
FORM 150.67-NM1
ISSUE DATE: 4/28/2017
JOHNSON CONTROLS