York OPTIVIEW YK Service Manual

6
FORM 160.54-M1
ISSUE DATE: 10/25/2019
JCI COMPANY CONFIDENTIAL JOHNSON CONTROLS
TABLE OF CONTENTS (CONT'D)
SECTION 16 - HIGH SPEED THRUST BEARING LIMIT SWITCH .....................................................................163
SECTION 17 - REFRIGERANT LEVEL CONTROL .............................................................................................165
Automatic Operation .....................................................................................................................................165
Manual Operation ......................................................................................................................................... 167
Actuators ......................................................................................................................................................167
SECTION 18 - OIL PUMP VARIABLE SPEED DRIVE .........................................................................................171
Automatic Operation .....................................................................................................................................171
Manual Operation ......................................................................................................................................... 172
Oil Heater Operation ....................................................................................................................................173
SECTION 19 - COMMUNICATIONS ..................................................................................................................... 175
SECTION 20 - PRESSURE TRANSDUCERS ...................................................................................................... 177
SECTION 21 - TEMPERATURE THERMISTORS ................................................................................................181
SECTION 22 - REMOTE SETPOINTS ..................................................................................................................203
Remote Operating Modes ...........................................................................................................................203
Current Limit ................................................................................................................................................. 203
Leaving Chilled Liquid Temperature .............................................................................................................205
Leaving Condenser Liquid Temperature (Heat Pump Mode) .......................................................................207
SECTION 23 - HOT GAS BYPASS ...................................................................................................................... 211
Setpoints ...................................................................................................................................................... 211
Operation ......................................................................................................................................................212
Hot Gas Operation with Variable Geometry Diffuser (VGD) ......................................................................... 213
Manual Control .............................................................................................................................................213
I/O Board ......................................................................................................................................................213
Pre-Rotation Vanes Potentiometer .............................................................................................................. 214
SECTION 24 - SMART FREEZE PROTECTION ..................................................................................................217
SECTION 25 - SURGE PROTECTION ................................................................................................................ 219
Surge Detection ............................................................................................................................................219
Excess Surge Detection ..............................................................................................................................220
Surge Protection ...........................................................................................................................................220
Hot Gas Bypass/Compressor Motor Variable Speed Drive (VSD) Applications ........................................... 221
SECTION 26 - VARIABLE GEOMETRY DIFFUSER ............................................................................................ 223
Stall Detection ..............................................................................................................................................223
Surge Detection ............................................................................................................................................223
Automatic Operation .....................................................................................................................................223
Stall Sensor Validation..................................................................................................................................225
Extreme Stall Monitor ...................................................................................................................................225
Manual Operation ......................................................................................................................................... 226
Setpoints ......................................................................................................................................................226
Pre-Rotation Vanes Position.........................................................................................................................227
I/O Board ......................................................................................................................................................227
Stall Transducer ..........................................................................................................................................227
Stall Detector Board ....................................................................................................................................227

York OPTIVIEW YK Specifications

General

Brand	York
Model	OPTIVIEW YK
Category	Controller
Language	English