Johnson Controls YORK Tempo YLAA Series User Manual

FORM 150.72-NM1 (1020)
9
JOHNSON CONTROLS
DISPLAY/PRINT KEYS ...........................................................................................................................133
Oper Data Key ....................................................................................................................................133
Oper Data Quick Reference List .......................................................................................................136
Print Key .............................................................................................................................................137
Operating Data Printout ....................................................................................................................137
History Printout .................................................................................................................................138
History Displays ................................................................................................................................138
Software Version ...............................................................................................................................140
ENTRY KEYS ...........................................................................................................................................141
Up and Down Arrow Keys ................................................................................................................. 141
Enter/Adv Key ....................................................................................................................................141
SETPOINTS KEYS ..................................................................................................................................142
Cooling Setpoints ..............................................................................................................................142
Leaving Chilled Liquid Control ........................................................................................................142
Return Chilled Liquid Control ..........................................................................................................143
Remote Setpoint Control ..................................................................................................................143
Schedule/Advance Day Key .............................................................................................................143
PROGRAM KEY ....................................................................................................................................... 145
PROGRAM KEY LIMITS AND DEFAULT ..............................................................................................147
SETPOINTS QUICK REFERENCE LIST ............................................................................................... 148
UNIT KEYS ..............................................................................................................................................149
Options Key .......................................................................................................................................149
CLOCK ......................................................................................................................................................153
UNIT KEYS OPTIONS PROGRAMMING QUICK REFERENCE LIST ...............................................154
SECTION 8 – UNIT OPERATION .................................................................................................................155
CAPACITY CONTROL ............................................................................................................................155
SUCTION PRESSURE LIMIT CONTROLS ...........................................................................................155
DISCHARGE PRESSURE LIMIT CONTROLS .....................................................................................155
LEAVING CHILLED LIQUID CONTROL ...............................................................................................155
LEAVING CHILLED LIQUID CONTROLOVERRIDE TO REDUCE CYCLING ..................................156
LEAVING CHILLED LIQUID SYSTEM LEAD/LAG AND COMPRESSOR SEQUENCING ..............156
RETURN CHILLED LIQUID CONTROL ................................................................................................157
RETURN CHILLLED LIQUID SYSTEM LEAD/LAG AND COMPRESSOR SEQUENCING .............158
ANTI-RECYCLE TIMER ..........................................................................................................................159
ANTI-COINCIDENCE TIMER ..................................................................................................................159
EVAPORATOR PUMP CONTROL AND YORK HYDRO KIT PUMP CONTROL ...............................159
EVAPORATOR HEATER CONTROL .....................................................................................................159
PUMPDOWN CONTROL .........................................................................................................................159
STANDARD CONDENSER FAN CONTROL ......................................................................................... 159
LOAD LIMITING .......................................................................................................................................163
COMPRESSOR RUN STATUS ...............................................................................................................163
ALARM STATUS ......................................................................................................................................163
BAS/EMS TEMPERATURE RESET USINGA VOLTAGE OR CURRENT SIGNAL ...........................164
TABLE OF CONTENTS (CONT’D)

Johnson Controls YORK Tempo YLAA Series Specifications

General

Brand	Johnson Controls
Model	YORK Tempo YLAA Series
Category	Chiller
Language	English