Emerson Liebert iCOM - Figure 32 Return Compensation in Unit View; Figure 33 Return Compensation Control Band

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Operation

45 Liebert

iCOM

for Liebert DSE

™

Figure 32 Return Compensation in Unit View

Figure 33 Return Compensation control band

Return

Compensation

in Unit View

-100%

S115 Return

Compensation Band

S114 Return

Compensation Setpoint

S115 Return Compensation Value

Temperature Setpoint

(Sensor set to either Supply Sensor

or Remote Sensor )

New air temperature

setpoint modified by

compensation

Main Page

Table of Contents3
Introduction9
Features9
Figure 1 Liebert Icom Components9
Liebert Icom Display Components and Functions10
Figure 2 Liebert Icom Display Components10
Table 1 Keyboard Icons and Functions11
Accessing and Identifying Status Screens12
System Screen12
Figure 3 Liebert Icom Default Screen Symbols12
Figure 4 System Screen-Graphical Interface13
Figure 5 System Screen with Rack View of Sensors13
Figure 6 Unit Screen14
Figure 7 Unit Screen with Rack View of Sensors15
Figure 8 Unit Screen with Econophase View16
Table 2 Liebert Econophase Status16
Navigating through the Liebert Icom Menus17
Control Interface17
Accessing Submenus17
Figure 9 Navigation from System View to Unit View to Rack View to Econophase View-Single Unit17
Figure 10 Navigation from System View to Unit View to Rack View to Econophase View-U2U18
Entering a Password20
Figure 11 Entering a Password20
Figure 12 Menu Tree-Stand-Alone21
Viewing Multiple Units with a Networked Display22
Figure 13 Menu Tree-Large Display, Networked22
Figure 14 User Menu Icons and Descriptions23
Table 3 User Menu Icons23
Figure 15 Service Menu Icons and Descriptions25
Table 4 Service Menu Icons26
Operation27
Single Unit Functions27
Unit/Fan Control27
Figure 16 Start-Stop Priority Switches28
Figure 17 Setting Manual Fan Control and Changing the Setpoint29
Table 5 Controlling Sensor Settings29
Back-Draft Fan Damper30
Figure 18 Energy Efficiency- Air Bypass through Unit, no Mechanical Damper30
General Compressor Operation31
Figure 19 Energy Efficiency-No Bypass Air, EC Fan Damper31
Figure 20 Diagnostics/Service Mode Screen, Page 1 of 832
Compressor Motor Overload33
Compressor Timing-Short-Cycle Protection33
Compressor Sequencing on Two-Compressor Units33
Temperature Control34
Figure 21 Temperature Proportional Band34
Setting up PI Control36
Compressor Control36
Figure 22 Digital Scroll Capacity Modulation, 10-100% Variable36
Table 6 PI Control Troubleshooting36
Figure 23 Single and Dual Digital Scroll Compressor Activation Points37
Tandem Compressors38
Tandem Digital Scroll Assignment38
Figure 24 Liebert DSE Refrigeration Circuit Overview38
Tandem Digital Compressor Annunciation Criteria and Unit Behavior39
Tandem Operation39
Temperature Control-Reheat39
Figure 25 Digital Scroll Ramping Example with Two Tandem Digital Scroll Compressors39
Electric, Hot Gas and Hot Water Reheat40
Figure 26 Three-Stage Heating40
Table 7 Reheat Configuration Types40
Humidity Control41
Humidity Control Types42
Figure 27 Humidity Proportional Band42
Humidification43
Table 8 Parameters for Infrared Humidifier Control43
Dehumidification44
Figure 28 Setpoints Screen, Page 3 of 945
Figure 29 Dehumidification and Reheat Control Bands45
Table 9 Dehumidification with Comp Settings46
Supply Control51
Figure 30 Placing the Supply Air Temperature Sensor51
Supply Temperature Control52
Figure 31 Return Compensation Setpoint in Service Menu52
Figure 32 Return Compensation in Unit View53
Figure 33 Return Compensation Control Band53
Figure 34 Return Compensation Setpoint Deviation54
Figure 35 Supply Compensation54
Figure 36 Supply Compensation in Unit View55
Figure 37 Supply/Return Compensation55
Liebert DSE-Basic Control System Overview56
Figure 38 Basic Control System Overview56
Figure 39 Primary Control Operation Overview56
Canbus Connections between the Liebert DSE, Liebert Econophase and Liebert MC57
Canbus Failure58
Liebert DSE with Optional Liebert Econophase58
Electronic Expansion Valve (EEV)58
Figure 40 Canbus Connections58
Table 10 EEV Control Values, Default and Special Settings58
Liebert MC ™ with Premium Efficiency Control-Overview59
Figure 41 User-Condenser Timer, Pages 1 and 260
Configuring Low Noise Operation61
Liebert Econophase61
Figure 42 Liebert Econophase Main Screen62
Figure 43 Compressorized Operation Flow Path62
Figure 44 Pump Operation Flow Path62
Table 11 Liebert Econophase Operation States63
Liebert Econophase (Full / Partial)64
Figure 45 Liebert Econophase Operation64
Event Types and Properties65
Table 12 Possible Event Settings-Events Listed May Vary by Specific Unit and Options Order67
Table 13 Alarms Specific to Liebert MC Condenser68
Table 14 Liebert Econophase Events and Alarm Notifications on Liebert DSE Models69
High- and Low-Temperature and Humidity Events70
User Inputs70
Table 15 Alarms Specific to the EEV70
Table 16 Customer Inputs71
Analog Inputs72
Figure 46 Analog Connection Control Board Switch72
Table 17 Number of Analog Inputs72
Table 18 Analog Connection Control Board Switch Position72
Liebert Icom-DO73
Table 19 Alarm Mapping73
Possible Event Notifications74
Table 20 Event Notifications74
Table 21 Alarms Specific to Liebert DSE Compressor75
Wellness-Next Maintenance Calculation76
3.10.1 Calculating Next Maintenance and Diagnostics76
Figure 47 Wellness-Basic Settings Screen, Page 1 of 976
Teamwork78
Compatibility with Previous Liebert Icom Controls78
Teamwork Modes78
Application of Teamwork Modes79
No Teamwork79
Teamwork Mode 279
Teamwork Mode 3 (Optimized Aisle)80
Figure 48 Teamwork Mode 3-Fixed Speed Vs. Variable Speed80
Figure 49 Remote Sensors82
Figure 50 Sensor Positioning82
Hardware Setup83
Liebert Optimized Aisle Rack Sensor Installation83
Figure 51 2T Rack Sensor83
Figure 52 Setting DIP Switches for 2T Sensors83
Tools Required for Installation84
DIP Switch Settings84
Figure 53 DIP Switches in 2T Sensors84
Table 22 DIP Switch Settings84
Terminate the Final Sensor on the Canbus Link85
Figure 54 Setting 2T Sensor DIP Switches85
Figure 55 2T Sensor Arrangement and Termination85
Install 2T Sensors on Racks to be Monitored86
Figure 56 Termination Jumper Setting86
Replace Canbus Cable between Liebert Icom Display and Liebert Icom Main Board87
With Grounded Canbus Cable87
Figure 57 Connect Canbus Cable87
Install Grounding Ring Connector in Electrical Panel88
Figure 58 Install Grounding Ring Connector88
Software Setup89
Standby-Rotation90
Installing a Liebert Icom Unit - to -Unit Network91
Placement of Cooling Units91
Balancing Operating and Standby Units91
Figure 59 Standby Unit Layout Example-10 Cooling Units in Room91
U2U Hardware: Cables and Network Switch92
Wiring for Unit-To-Unit Communications-U2U93
Table 23 Sample Liebert Icom Network Configurations93
Wiring a Liebert Icom U2U Network94
Network94
Figure 60 U2U Network Setup Diagram94
Figure 61 Wiring a Large Display for U2U Network Operation95
Figure 62 Liebert Vnsa with Optional Remote Large Display96
Table 24 Ports Available for Connecting Liebert Icoms96
Ite Scan97
Ommunication -Building Management Systems , Liebert97
User Menu Parameters98
User-Setpoints Screens98
Figure 63 User Menu Icons98
Figure 64 Setpoints Screen98
Figure 65 Setpoints Screen100
User-Graphic Menu Screens101
Figure 66 Graphs101
Figure 67 Graphs101
User-Set Alarms Menu Screens102
Figure 68 Set Alarms Screen102
Figure 69 Set Alarms Screen103
Figure 70 Set Alarms Screen104
Figure 71 Set Alarms Screen104
User-Sensor Data Menu Screens105
Figure 72 Sensor Data Screen105
Figure 73 Sensor Data Screen, Page 2 (Return Only)106
Figure 74 Sensor Data Screen107
User-Display Setup Menu Screen108
Figure 75 Sensor Data Screen108
Figure 76 Display Setup Screen108
User-Total Run Hours Menu Screens110
User-Sleep Mode Menu Screen110
Figure 77 Total Run Hours Screen110
Figure 78 Sleep Mode Screen110
User-Condenser Timer Menu Screens112
Figure 79 Condenser Timer Screen112
Figure 80 Condenser Timer Screen113
Service Menu Parameters114
Service-Setpoints Menu Screens114
Figure 81 Service Menu Main Screen114
Figure 82 Setpoints Screen, Page 1 of 9114
Figure 83 Setpoints Screen, Page 2 of 9116
Figure 84 Setpoints Screen, Page 3 of 9117
Figure 85 Setpoints Screen118
Figure 86 Setpoints Screen119
Figure 87 Setpoints Screen120
Figure 88 Setpoints Screen122
Figure 89 Setpoints Screen123
Figure 90 Setpoints Screen124
Service-Standby Settings / Lead Lag Menu Screen125
Figure 91 Standby Settings / Lead-Lag Screen125
Service-Maintenance / Wellness Menu Screens127
Figure 92 Wellness-Basic Settings Screen127
Figure 93 Wellness-Motor Settings Screen128
Figure 94 Wellness-Compressor 1 Settings Screen128
Figure 95 Wellness-Compressor 2 Settings Screen129
Figure 96 Wellness-Electric Heater 1 Settings Screen129
Figure 97 Wellness-Electric Heater 2 Settings Screen130
Figure 98 Wellness-Electric Heater 3 Settings Screen130
Figure 99 Wellness-Humidifier Settings Screen131
Figure 100 Wellness-Economizer Settings Screen131
Service-Diagnostics / Service Mode Screens132
Figure 101 Diagnostics/Service Mode Screen132
Figure 102 Diagnostics/Service Mode Screen133
Figure 103 Diagnostics/Service Mode Screen135
Figure 104 Diagnostics/Service Mode Screen136
Figure 105 Diagnostics/Service Mode Screen137
Figure 106 Diagnostics/Service Mode Screen138
Figure 107 Diagnostics/Service Mode Screen138
Figure 108 Diagnostics/Service Mode Screen139
Service-Set Alarms Menu Screens140
Figure 109 Set Alarms Screen140
Figure 110 Set Alarms Screen141
Figure 111 Set Alarms Screen142
Figure 112 Set Alarms Screen143
Figure 113 Set Alarms Screen143
Figure 114 Set Alarms Screen144
Figure 115 Set Alarms Screen144
Figure 116 Set Alarms Screen145
Figure 117 Set Alarms Screen145
Figure 118 Set Alarms Screen, Page 10 of 12146
Figure 119 Set Alarms Screen146
Service-Icom-DO Setup Menu Screens147
Figure 120 Set Alarms Screen147
Figure 121 Icom-DO Overview and Override Screen147
Figure 122 Icom-DO Events Setup Screen148
Figure 123 Liebert Icom-DO Events Setup Screen148
Service-Sensor Calibration Menu Screens149
Figure 124 Sensor Calibration Setup Screen, Page 1 of 7 (Standard and Tandem Compressors)149
Figure 125 Sensor Calibration/Setup Screen150
Figure 126 Sensor Calibration/Setup Screen150
Figure 127 Sensor Calibration/Setup Screen151
Figure 128 Sensor Calibration/Setup Screen152
Figure 129 Sensor Calibration/Setup Screen152
Figure 130 Sensor Calibration/Setup Screen153
Service-Economizer Menu Screens154
Figure 131 Economizer154
Figure 132 Economizer155
Figure 133 Economizer156
Service-System/Network Setup Menu Screens157
Figure 134 System/Network Setup Screen-System, Page 1 of 2 (Large Display Only)157
Figure 135 System/Network Setup Screen-System, Page 2 of 2 (Large Display Only)158
Service-System/Network Unit-Level Setup Menu Screens159
Figure 136 System/Network Setup Screen-Unit159
Figure 137 System/Network Setup Screen-Unit160
Service-Options Setup Menu Screens161
Figure 138 Options Setup161
Figure 139 Options Setup162
Figure 140 Options Setup163
Figure 141 Options Setup164
Figure 142 Options Setup165
Figure 143 Options Setup166
Service-Service Contact Info Menu Screens167
Table 25 Service Contact Information Parameters167
Service-Remote Sensors Menu Screens168
Figure 144 Remote Sensors168

Emerson Liebert iCOM - Figure 32 Return Compensation in Unit View; Figure 33 Return Compensation Control Band

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