Table of Contents
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SECTION
8
MICRO PANEL CONTENTS ..................................................................................... 120
Chiller Control Panel Programming and Data Access Keys ........................................................... 120
Display and Status Information Keys................................................................................................ 120
ON / OFF Rocker Switch ..................................................................................................................... 120
Program & Setup Keys ....................................................................................................................... 120
1. INTRODUCTION & PHYSICAL DESCRIPTION ........................................................................ 121
1.1
121
1.2
Keypad & Display ................................................................................................................... 121
1.3
Unit (Chiller) On / OFF Switch ............................................................................................... 122
1.4
Microprocessor Board ............................................................................................................. 122
1.5
Ancillary Circuit Boards .......................................................................................................... 122
1.6
Circuit Breakers ....................................................................................................................... 123
1.7
Current Transformers (C.T.) .................................................................................................... 123
1.8
Transformers ............................................................................................................................ 123
1.9
Motor Protection Modules ....................................................................................................... 124
1.10
EMS/BAS Controls .................................................................................................................. 126
1.11
Microprocessor Board Layout .................................................................................................. 128
1.12
Logic Section Layout ................................................................................................................ 129
1.13
Anti-Recycle Timer .................................................................................................................. 130
1.14
Anti-Coincidence Timer ........................................................................................................... 130
1.15
Evaporator Pump Control ......................................................................................................... 130
1.16
Compressor Heater Control ...................................................................................................... 130
1.17
Evaporator Heater Control ........................................................................................................ 130
1.18
Pumpdown (LLSV) Control ..................................................................................................... 130
1.19
130
1.20
Run Status (Chiller) .................................................................................................................. 131
1.21
Lead / Lag Compressor Selection ............................................................................................. 131
2. STATUS KEY: GENERAL STATUS MESSAGES & FAULT WARNINGS.................................. 132
2.1
132
2.2
General Status Messages .......................................................................................................... 132
2.3
Unit Warnings ........................................................................................................................... 133
2.4
Anticipation Control Status Messages ...................................................................................... 134
2.5
Unit Fault Status Messages ....................................................................................................... 135
2.6
System Fault (Safety) Status Messages .................................................................................... 136
2.7
Printout on Fault Shutdown ...................................................................................................... 139
3. DISPLAY KEYS & OPTION SWITCHES ...................................................................................... 140
3.1
140
3.2
Chilled Liquid Temps Key ........................................................................................................ 140
3.3
System # Data Keys .................................................................................................................. 141
3.4
Ambient Temp Key ................................................................................................................... 141
3.5
Motor Current Key ................................................................................................................... 142
3.6
Operating HRS / Start Counter Key ......................................................................................... 142
3.7
Options Key & Dip Switch Settings ......................................................................................... 142
3.8
Function Key ............................................................................................................................ 144
4. PRINT KEYS ....................................................................................................................................... 145
4.1
145
4.2
Oper Data Key .......................................................................................................................... 145
4.3
Operating Data - Local Display Messages ............................................................................... 145
4.4
Operating Data - Remote Printout ........................................................................................... 146
4.5
History Key ............................................................................................................................... 148
4.6
Fault History Data - Local Display Messages ......................................................................... 148
4.7
Fault History Data - Remote Printout ...................................................................................... 151
6
TABLE OF CONTENTS (CONT'D)
JOHNSON CONTROLS
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