JOHNSON CONTROLS
7
FORM 201.23-NM2
ISSUE DATE: 09/25/2020
TABLE OF CONTENTS (CONT'D)
SECTION 8 - MICROPANEL ..............................................................................................................................219
VSD Operation and Controls ........................................................................................................................ 219
VSD Safeties (Faults) ................................................................................................................................... 223
Unit Warnings ...............................................................................................................................................229
Microboard (331-03478-xxx) ........................................................................................................................229
Program Update ...........................................................................................................................................231
Data Logging ................................................................................................................................................232
Unit Safeties .................................................................................................................................................233
System Safeties (Faults) ..............................................................................................................................235
Status Key ....................................................................................................................................................240
Unit Data Key ...............................................................................................................................................243
System Data Keys 1 Through 4....................................................................................................................245
VSD Data Key ..............................................................................................................................................248
Operating Hours / Start Counter Key ...........................................................................................................250
History Key ...................................................................................................................................................251
Setpoints Key ...............................................................................................................................................258
Program Key ................................................................................................................................................260
Options Key .................................................................................................................................................. 263
Date / Time and Schedule Keys ................................................................................................................... 266
Manual Override Key ....................................................................................................................................270
Print Key ....................................................................................................................................................... 271
Service Key ..................................................................................................................................................274
System Switches Key ................................................................................................................................... 280
Serial Number Programming ........................................................................................................................ 281
Enabling Optimized High IPLV Mode ...........................................................................................................282
Unit Setup Mode ...........................................................................................................................................283
Default Programmable Values ......................................................................................................................284
Serial Port Connections ................................................................................................................................284
Analog Input Connections ............................................................................................................................285
Digital Intput Connections ............................................................................................................................287
Analog Output Connections .........................................................................................................................288
Digital Output Connections ...........................................................................................................................289
BACNET, MODBUS and YORKTALK 2 Communications ............................................................................291
SECTION 9 - MAINTENANCE ...........................................................................................................................305
General Requirements .................................................................................................................................305
Evacuating a System ....................................................................................................................................305
R-134a Conversion Tables ...........................................................................................................................306
Maintenance Requirements for YCIV Chillers .............................................................................................. 307
Troubleshooting Guide ................................................................................................................................308
Limited Warranty ..........................................................................................................................................310
Chilled Liquid and Suction Temperature Sensor Input Voltage ................................................................... 311
Printer Wiring ................................................................................................................................................318
Operating Log Sheet ....................................................................................................................................320
Recommended Spare Parts .........................................................................................................................324
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