Johnson Controls York YCIV A Series User Manual

JOHNSON CONTROLS
10
FORM 201.23-NM2
ISSUE DATE: 3/9/2015
Standard IPLV Capacity Control ...................................................................................................................213
Fuzzy Logic Control .............................................................................................................................214
Hot Water Starts .................................................................................................................................. 215
Lag Compressor Operation in Load Limiting .......................................................................................215
Optional High IPLV Capacity Control ...........................................................................................................215
Fuzzy Logic Control .............................................................................................................................217
Hot Water Starts .................................................................................................................................. 218
Load Limiting Control ...................................................................................................................................218
Load Limiting ......................................................................................................................................218
Motor Current Load Limiting/Unloading ...............................................................................................218
Discharge Pressure Load Limiting/Unloading .....................................................................................218
Suction Pressure Load Limiting/Unloading .........................................................................................219
VSD Internal Ambient Temperature Load Limiting ..............................................................................219
VSD Baseplate Temperature Load Limiting ........................................................................................219
Flash Tank Drain and Feed Valve Controller ................................................................................................ 220
Valve Controller and Control Algorithm Operation ...............................................................................220
MOP Setpoint Control for Hot Water Starts .........................................................................................221
Moderate To High Ambient MOP Setpoint Control. .............................................................................221
Low Ambient MOP Setpoint Control .................................................................................................... 221
Actual MOP Setpoint ...........................................................................................................................221
Valve Controller LED’s.........................................................................................................................222
Economizer Control ...................................................................................................................................... 223
Condenser Fan Control ................................................................................................................................224
Standard IPLV Fan Control ................................................................................................................225
Optimized IPLV Fan Control ............................................................................................................... 225
High VSD Cabinet Ambient Temperature Fan Operation ....................................................................225
VSD Temperature Control, Operation of the Coolant Pump, and VSD Cabinet Cooling Fans .....................225
Remote Temperature Reset Control .............................................................................................................226
Temperature Reset Control .................................................................................................................226
Remote ISN Setpoint Control ..............................................................................................................226
Remote Temperature Reset ................................................................................................................226
Local Current Limit Control ..................................................................................................................227
Pulldown Current Limit Setpoint ..........................................................................................................227
Remote Current Limit Reset Control ............................................................................................................227
Remote ISN Current Limit Setpoint .....................................................................................................228
Remote Current Limit Reset ................................................................................................................ 228
Sound Limit Control ...................................................................................................................................... 229
Sound Limiting and Local Sound Limit Setpoint ..................................................................................229
ISN Sound Limit Setpoint ....................................................................................................................229
Remote Sound Limit ............................................................................................................................ 229
TABLE OF CONTENTS (CONT'D)

Johnson Controls York YCIV A Series Specifications

General

Brand	Johnson Controls
Model	York YCIV A Series
Category	Chiller
Language	English