Johnson Controls York YKEP Series User Manual

FORM 160.77-O2
ISSUE DATE: 11/15/2011
JOHNSON CONTROLS
5
TABLE OF CONTENTS
LIST OF TABLES
TABLE 1 - YKEP Control System Sensors .............................................................................................................18
TABLE 2 - Trend Pen Assignments .........................................................................................................................92
TABLE 3 - Modbus RTU Slot List ............................................................................................................................93
TABLE 4 - Status Line Messages and Colors ....................................................................................................... 109
TABLE 5 - LCSSS High Supply Line Voltage Thresholds ..................................................................................... 118
TABLE 6 - LCSSS Low Supply Line Voltage Thresholds ......................................................................................118
TABLE 7 - Over-Current Trip .................................................................................................................................123
SECTION 1 - YKEP CHILLER OVERVIEW ..............................................................................................................7
SECTION 2 - YKEP CONTROL CENTER INTRODUCTION ..................................................................................17
SECTION 3 - YKEP CONTROL PANEL OPERATION ........................................................................................... 21
Home Screen .................................................................................................................................................25
System Screen ...............................................................................................................................................28
Manual / Auto Stations Screen .......................................................................................................................32
Subcooler Screen ........................................................................................................................................... 34
Economizer Screen ........................................................................................................................................36
Evaporator Screen .........................................................................................................................................38
Hot Gas Screen .............................................................................................................................................. 40
Condenser Screen .........................................................................................................................................42
Primary Compressor Screen ..........................................................................................................................44
Primary Proximitor Calibration Screen ...........................................................................................................48
PRV Calibration Screen.................................................................................................................................. 50
Oil Sump Screen ............................................................................................................................................52
Primary Variable Geometry Diffuser Screen ...................................................................................................54
Primary Motor Screen (EM Starter) ................................................................................................................ 56
Primary Motor Screen (MV SSS) ...................................................................................................................58
Primary Motor Screen (MV VSD) ...................................................................................................................60
Capacity Controls Screen with Hot Gas (Fixed Speed) .................................................................................62
Capacity Controls Screen without Hot Gas (Fixed Speed) ............................................................................64
Capacity Controls Screen (Speed Option) .....................................................................................................66
Capacity Controls Screen (Vane Anti-Surge) .................................................................................................68
Primary Capacity Tuning Screen .................................................................................................................... 70
Primary Anti-Surge Screen ............................................................................................................................. 72
Capacity Limits Screen ...................................................................................................................................74
Economizer Compressor Screen ...................................................................................................................76
Economizer Motor LCSSS Screen .................................................................................................................78
Economizer Capacity Screen .........................................................................................................................80
Setpoints Screen ............................................................................................................................................82
Factory Setup Screen .....................................................................................................................................84
Comms Screen ...............................................................................................................................................86
Alarm History Screen .....................................................................................................................................88
Active Alarms Screen ..................................................................................................................................... 89
Trip Status Screen ..........................................................................................................................................90
Trending Screen ............................................................................................................................................. 91
SECTION 4 - MODBUS RTU SLOT LIST ...............................................................................................................93
SECTION 5 - DISPLAY MESSAGES .................................................................................................................... 109

Johnson Controls York YKEP Series Specifications

General

Brand	Johnson Controls
Model	York YKEP Series
Category	Chiller
Language	English