Table Of Contents - Emerson Liebert iCOM Training And Service Manual

Table of Contents

Table Of Contents4
Temperature And Humidity Control Programs7
Cooling And/Or Heating Required, In Percent (%)7
Temperature Control Types7
Proportional (P) Control7
Chapter 1: Temperature/Humidity Control7
Proportional + Integral + Derivate (Pid) Control8
Temperature Control Operations And Charts9
Intelligent Control9
Standard 2 Stage Compressorized Cooling9
2 Stage Compressorized Cooling – No Dead Band10
2 Stage Compressorized Cooling – With Dead Band11
Optional 4 - Step Cooling, Two (2) Compressors With Unloaders12
Stage Activation On Temperature Increase12
Stage Deactivation On Temperature Decrease12
Stage Compressorized Cooling12
4-Step Compressorized Cooling W/No Dead Band14
4 Stage Compressorized Cooling – With Dead Band15
Optional Dual Compressor Digital Scroll Operation16
Digital Scroll Pwm Cooling Control17
Optional Glycool (Econ-O-Cycle) Cooling18
Glycool At 100% Capacity – No Dead Band19
Glycool At 50% Capacity – No Dead Band20
Optional Dual Source Cooling21
Dual Cooling At 100% Capacity – No Dead Band22
Optional Staged Electric Reheat22
3 Stage Electric Reheat – No Dead Band23
3 Stage Electric Reheat – With Dead Band24
Humidity Control25
Humidity Control Program Types25
Absolute (Predictive) Humidity Control25
Absolute (Predictive) Humidity Control Flowchart26
Humidity Control Operations And Charts27
Relative Humidity Control27
Compensated Humidity Control27
Humidifier Operation28
Infrared Humidification – No Dead Band28
Infrared Humidification – With Dead Band29
Autoflush Control For Infrared Large (Ifl) Or Small (Ifs) Pans29
Autoflush Control Flow Chart30
Dehumidification Operation31
Dehumidification With Absolute (Predictive) Humidity Control31
1 Stage Compressorized Dehumidification – No Dead Band31
Stage Dehumidification, Compressorized Operation31
1 Stage Compressorized Dehumidification – With Dead Band32
2 Stage Compressorized Dehumidification – No Dead Band33
2 Stage Compressorized Dehumidification – With Dead Band34
Reheating During Dehumidification35
Additional Programs36
Start Circuit36
Auto Restart36
Fan Alarm/Fan Settings37
High Pressure Cutout37
High Pressure Internal Counter39
Suction Pressure Transducers39
Call For Compressor (Cooling Or Dehumidification) W/Transducers39
Non Digiscroll Compressors39
Digiscroll Compressors40
Failure In Phase 440
Low Pressure Phase Conditions40
Failure In Phase 340
Loss Of Charge Protection41
Pump Down43
Low Pressure Switches43
Next Maintenance Calculation47
Calculation Of Next Maintenance Parameters47
Parameters For Next Maintenance Calculation48
General Maintenance Settings48
Maintenance Frequency48
Maximum Bonus48
Number Of Starts And Working Hours49
Average Working Hours49
Starts Per Day Optimum49
Starts Per Day Worst49
Shared Parameters49
Shared Temperature And Humidity Parameters Example50
Networking And Functions50
Teamwork Mode Functions50
Lead/Lag Function50
Icom Network Setup Process51
Cascade Function51
Basics For Cooling Unit Placement51
Basics For Programming51
Small Displays52
Large Displays52
Large Control Boards53
Multi-Unit Ip Address Setup Chart Sample57
Default Addresses57
Teamwork58
No Teamwork58
Teamwork Mode 158
Teamwork Mode 259
Typical Lead/Lag (Running/Standby) Function59
Unit Lead/Lag Or Running/Standby Functions59
Standby And Cascade61
Programmable Cascade Settings61
Programming Functions63
Chapter 2: Programming Functions63
Icom Display Components And Functions64
Led Status Indicators64
Icom Keypad Descriptions:65
Icom Keypad Layout Descriptions65
Icom Display Symbols/Icons66
Displays67
Small Display Graphic View68
Small Display Simple View68
Status Display Screens68
Large Display Graphic View69
Large Display Simple View69
Menu Screens And Symbols70
Menu Parameters Names70
User Menu Icons And Descriptions71
Service Menu Icons And Descriptions72
Advanced Menu Icons And Descriptions73
Parameter Codes73
Navigating And Accessing Sub-Menus For Large Displays73
Navigating And Accessing Sub-Menus For Small Displays74
Where And When To Save74
Control Board Saves74
Entering A Password75
Passwords75
Large Display Saves75
Access Level75
User Menu Parameters - Password: 149076
Setpoint Parameters76
Event Log77
Graphics Parameters77
Set Alarm Parameters78
Sensor Data Parameters, Page 1 Of 2 – Read Only79
Sensor Data Parameters, Page 2 Of 2 – Read Only79
Active Alarms – Read Only (Last Menu Selection On Small Display)79
Display Setup Parameters80
Total Run Hours Parameters81
Sleep Mode Parameters82
Service Contact Parameters – Read Only82
Service Menu - 501083
Standby Settings/Lead-Lag Parameters87
Maintenance/ Wellness Parameters88
Menu Lines S302 And 30392
Menu Lines S306 And S30792
Advanced Menu Parameters113
Factory Settings Parameters114
Runtime Monitoring128
Board Electrical Connections132
Introduction132
Chapter 3: Icom Hardware Connections132
Display Assemblies133
Small Display133
Large Display133
Unit Mounted Control Board134
Unit Control Board Dip Switches And Jumpers134
Icom Control Board Dip Switch Settings For Analog Input Setup135
Icom Control Board Jumper Settings136
Small Display Dip Switch #3 Settings136
Small Display Jumper Settings136
Large Display Dip Switch #3 Settings137
Temperature/Humidity Board Dip Switch #1 Settings138
Temperature/Humidity Board Jumper Settings138
Default Setting138
Unit Control Board Plug Connectors139
Ds/Vs Units140
P13: Dcv Thermistor Signals141
P22: Glycool Valve/Chilled Water Valve141
P32: Compressor Devices141
P33: Compressor Devices141
P36: Basic Unit Connections142
P38: Smoke Detector142
P39: Firestat & Remote Shutdown142
P40: Basic Unit Connections142
P63: Not Used143
P64: Ethernet Port143
E1/ E2/ E3/ E4: Transformer Grounds143
Fuse Board Layout: All Units144
P4: 24 Vac Power144
Fuse Board Connectors144
Temperature/Humidity Board: All Units145
Temperature/Humidity Board145
Standard Return Air Housing145
Optional Remote Housing145
Chapter 4: General Troubleshooting Data147
Isolation148
Areas Of Control148
Basic Operation Of The Triac149
Semiconductor Showing No Movement Of Electrons149
Semiconductor Showing Movement Of Electrons149
Front And Left Side Views Of The Triac150
Schematic Drawing For The Triac150
Basic Operation Of The Opto-Isolator151
Output Opto-Isolator151
No Current Flow151
Current Flow151
Troubleshooting The Output Opto-Isolator152
Output Voltage Check152
Output Opto-Isolator Pin Location152
Troubleshooting The Input Opto-Isolato153
Input Voltage Check153
Input Opto-Isolator Pin Location153
Unit Control Board: Opto-Isolator/Triac Legends154
Alarm Input Opto-Isolator Legend:154
Control Output Opto-Isolator And Triac Legend155
Control Input Check (Aquastat Sensor)156
Fluid Sensor Temperature To Resistance Table156
Icom Diagnostics/Service Mode Programs157
Troubleshooting Checklist158
Basic Troubleshooting Steps159
Programming159
Dc Voltage Check159
Ac Voltage Check160
If 24 Vac Is Present Perform The Following160
Mechanical Problems160
Moisture Content Charts161
Moisture Content At Temperature162
Suction Transducer Information178
Digital Scroll High Temperature Sensor Chart179
Unit Code Configuration And Code Definitions180
Unit Configuration Code Definition181
Unit Field Code 001 (Firmware Revision)181
Unit Field Code 002 (Unit Product Type)181
Unit Field Code 003 (Refrigerant Type)182
Unit Field Code 004 (Cooling Operation)182
Unit Field Code 005 (Humidifier Type)183
Unit Field Code 006 (Heating Type)184
Unit Field Code 007 (Heat Rejection Type)185
Unit Field Code 008 (Cooling Valve Travel Time)186
Unit Field Code 009 (Fan Control)186
Unit Field Code 010 (Languages)186
Unit Field Code 011, 012, 013, 014 (Customer Input Alarms)187
Unit Field Code 015 (Dehumidification/Reheat Sequencing)188
Unit Field Code 016 (Q15 Output Signal)188
Unit Field Code 017189
Unit Field Code 018 (Not Used)189
Glossary Of Terms190
Computer And Network Terms194
Network Information199
Network Cabling199
What Is Networking?199
Hubs And Switches199
Unit Identification Or Addressing200
How To Use The Schematic201
Electrical Schematic List202