York OPTIVIEW YK Service Manual

5
FORM 160.54-M1
ISSUE DATE: 10/25/2019
JOHNSON CONTROLS JCI COMPANY CONFIDENTIAL
TABLE OF CONTENTS
SECTION 1 - INTRODUCTION ...............................................................................................................................15
SECTION 2 - SYSTEM ARCHITECTURE ..............................................................................................................17
SECTION 3 - MICROBOARD 031-01730-000 ........................................................................................................31
Boot-Up Step and Description ........................................................................................................................ 33
Power Supply .................................................................................................................................................38
Service Replacement .....................................................................................................................................38
Program Jumpers ........................................................................................................................................... 42
Program Switches ..........................................................................................................................................44
SECTION 4 - MICROBOARD 031-02430-000 AND 031-02430-001 ...................................................................... 49
Description .....................................................................................................................................................49
Configuration and Setup .................................................................................................................................58
Downloading a Program from a Program Card ..............................................................................................63
Program Jumpers ........................................................................................................................................... 64
Program Switches ..........................................................................................................................................65
SECTION 5 - MICROBOARD 031-03630-001 ........................................................................................................73
Chiller Operating Program ..............................................................................................................................74
Program Jumpers ........................................................................................................................................... 77
Program Switches ..........................................................................................................................................78
Configuration and Setup .................................................................................................................................84
Downloading a Program from a Program Card ..............................................................................................88
SECTION 6 - I/O BOARD .......................................................................................................................................97
I/O Board ........................................................................................................................................................97
Digital Inputs ...................................................................................................................................................97
Digital Outputs ................................................................................................................................................ 97
Triacs ..............................................................................................................................................................98
Relay Timing ...................................................................................................................................................98
SECTION 7 - LIQUID CRYSTAL DISPLAY ..........................................................................................................107
Backlight Lamp Replacement .......................................................................................................................109
SECTION 8 - DISPLAY INTERFACE BOARD ...................................................................................................... 115
SECTION 9 - DISPLAY BACKLIGHT INVERTER BOARD .................................................................................. 119
SECTION 10 - KEYPAD ........................................................................................................................................123
SECTION 11 - POWER SUPPLY .......................................................................................................................... 127
SECTION 12 - CURRENT MODULE (CM-2) ........................................................................................................ 129
SECTION 13 - SOLID STATE STARTERS ........................................................................................................... 133
Solid State Starters ......................................................................................................................................133
Medium Voltage Solid State Starter .............................................................................................................133
SECTION 14 - ADAPTIVE CAPACITY CONTROL BOARD ................................................................................ 143
YORK Protocol Configuration .......................................................................................................................143
Modbus Protocol Configuration ...................................................................................................................149
SECTION 15 - PROXIMITY PROBE ..................................................................................................................... 157

York OPTIVIEW YK Specifications

General

Brand	York
Model	OPTIVIEW YK
Category	Controller
Language	English