York YCAL0043 - Page 6

JOHNSON CONTROLS
6
FORM 150.67-NM2
ISSUE DATE: 01/31/2019
TABLE OF CONTENTS (CONT’D)
SECTION 5 – TECHNICAL DATA ..........................................................................................................................39
Operation Limitations (English) ......................................................................................................................40
Operational Limitations (SI) ............................................................................................................................ 43
Physical Data (English) ..................................................................................................................................46
Sound Data (English) .....................................................................................................................................48
Electrical Data (English) .................................................................................................................................50
Electrical Notes and Legend ..........................................................................................................................53
Elementary Wiring Diagram ...........................................................................................................................54
Connection Wiring Diagram ...........................................................................................................................64
Elementary Wiring Diagram Details ...............................................................................................................68
Dimensions .....................................................................................................................................................70
Dimensions (SI) .............................................................................................................................................. 88
Technical Data – Clearances ........................................................................................................................106
Isolators ........................................................................................................................................................ 107
SECTION 6 – COMMISSIONING ..........................................................................................................................121
Commissioning ............................................................................................................................................. 121
Preparation – Power Off ............................................................................................................................... 121
Preparation – Power On ............................................................................................................................... 122
Unit Operating Sequence .............................................................................................................................126
SECTION 7 – UNIT CONTROL CENTER .............................................................................................................127
Introduction ...................................................................................................................................................127
Status Key ....................................................................................................................................................129
Status Key Messages ...................................................................................................................................134
Display/Print Keys ........................................................................................................................................135
Entry Keys ....................................................................................................................................................143
Setpoints Keys .............................................................................................................................................144
Schedule/Advance Day Key ......................................................................................................................... 145
Program Key ................................................................................................................................................147
Unit Keys .....................................................................................................................................................151
Clock ............................................................................................................................................................155
SECTION 8 – UNIT OPERATION .........................................................................................................................157
Capacity Control ........................................................................................................................................... 157
Suction Pressure Limit Controls ...................................................................................................................157
Discharge Pressure Limit Controls ............................................................................................................... 157
Leaving Chilled Liquid Control ......................................................................................................................157
Leaving Chilled Liquid Control Override to Reduce Cycling .........................................................................158
Leaving Chilled Liquid System Lead/Lag and Compressor Sequencing ......................................................158
Return Chilled Liquid Control .......................................................................................................................158
Return Chilled Liquid System Lead/Lag and Compressor Sequencing .......................................................160
Anti-Recycle Timer .......................................................................................................................................161
Anti-Coincidence Timer ................................................................................................................................161
Evaporator Pump Control and York Hydro Kit Pump Control .......................................................................161