Emerson Liebert Icom Users Manual

2015-03-30

• 1.0 Introduction
  • 1.1 Features
    • Large and Small Displays
      • Figure 1 Liebert iCOM components
• 2.0 Liebert iCOM Display Components and Functions
  • Figure 2 Liebert iCOM display components
  • Table 1 Keyboard icons and functions
  • 2.1 Control Interface—Large Display
    • Figure 3 Unit view status menu
    • Figure 4 Liebert iCOM default screen symbols
    • 2.1.1 Navigating to Various Views in the Liebert iCOM
      • Figure 5 Use arrow keys to navigate among screens
      • Figure 6 Unit status menu, large display, graphical comma view
  • 2.2 System Screen
    • Figure 7 System screen with rack view of sensors
    • Figure 8 System screen
  • 2.3 Unit View with Rack Sensors
    • Figure 9 Unit view with rack sensor temperatures
  • 2.4 Navigating Through the Liebert iCOM Menus
    • 2.4.1 Accessing Submenus on Large Displays
      • Figure 10 Menu tree—Large display, stand-alone
      • Figure 11 Navigation with a large display—single unit view
      • Figure 12 Navigation with a large display—Network view
    • 2.4.2 Accessing Submenus on Small Displays
      • Figure 13 Menu tree—Small display, stand-alone or networked
  • 2.5 Display Setup
    • 2.5.1 Entering a Password
      • Figure 14 Entering a password
    • 2.5.2 Viewing Multiple Units with a Networked Large Display
      • Figure 15 Menu tree—Large display, networked
      • Figure 16 User menu icons
      • Table 2 User menu icons
      • Figure 17 Service menu icons
      • Table 3 Service menu icons
• 3.0 Operation
  • 3.1 Single Unit Functions
    • 3.1.1 Unit/Fan Control
      • Start - Stop
        • Figure 18 Start-stop priority switches
      • Autorestart
      • Loss of Power Alarm
      • Fan Alarm / Fan Protection Settings
      • Variable Speed Fans—EC or Variable Frequency Drives
        • Figure 19 Setting manual fan control and changing the setpoint
        • Table 4 Controlling sensor settings
      • Minimum Fan Speed
      • Fluid or Air Economizer with Variable Fan Speed Fans
    • 3.1.2 Back-Draft Fan Damper—Units with EC Fans
      • Figure 20 Energy efficiency—Air bypass through unit, no mechanical damper
      • Figure 21 Energy efficiency—No bypass air, EC fan damper
    • 3.1.3 Back-Draft Fan Damper—Units with Centrifugal Fans
    • 3.1.4 Power Monitoring
    • 3.1.5 General Compressor Operation
      • Low-Pressure Time Delay
      • Advanced DX Freeze Protection
      • Pump Down
      • High-Pressure Alarm
        • Figure 22 Diagnostics/service mode screen, page 1 of 8
    • 3.1.6 Compressor Timing—Short-Cycle Protection
    • 3.1.7 Compressor Sequencing on Two-Compressor Units
    • 3.1.8 Motorized Ball Valve in Water-Cooled Units
    • 3.1.9 MBV Operation After Compressor is Turned Off
    • 3.1.10 Service Offset—Changing System Pressure Settings
  • 3.2 General Chilled Water Operation
    • 3.2.1 Chilled Water Quick Start
    • 3.2.2 Improved Valve Response
      • Figure 23 DIP switch and jumper locations on Liebert iCOM control board
    • 3.2.3 Custom Dual Chilled Water Valve Staging
    • 3.2.4 Fluid Temperature Monitoring
      • Figure 24 DIP switches in 2T sensors
      • Table 5 DIP switches in 2T sensors
    • 3.2.5 Fluid Flow Monitoring
  • 3.3 Temperature Control
    • Figure 25 Temperature proportional band
    • 3.3.1 Setting Up PI Control
      • Table 6 PI control troubleshooting
    • 3.3.2 Compressor Control
      • Compressor Proportional Bands
        • Figure 26 One single-step compressor without unloaders
        • Figure 27 Two single-step compressors without unloaders or one compressor with an unloader (two-step)
        • Figure 28 Two compressors with unloaders (four-step)
        • Figure 29 Digital scroll capacity modulation, 10-100% variable
        • Figure 30 Single and dual digital scroll compressor activation points
    • 3.3.3 Chilled Water Control
      • Figure 31 Chilled water valve control (example: cooling)
  • 3.4 Liebert Fluid Economizer
    • 3.4.1 Differential Temperatures / Controls (Comparator Circuit)
      • Figure 32 Second cooling source and two-step compressorized cooling
      • GLYCOOL™ Cooling—Free-Cooling
        • Figure 33 Free-cooling and compressorized operation
      • Dual-Cooling Source
    • 3.4.2 Liebert Air Economizer™
      • Figure 34 Temperature and humidity sensor connections—Liebert DS and Liebert CW
      • Figure 35 Supply limit thermistor wiring and restricted airflow switch location
  • 3.5 Liebert Air Economizer™ Operation
    • 3.5.1 Liebert Air Economizer™ System Overview
      • Figure 36 Air flow pattern of a Liebert Air Economizer system-regular ceiling
      • Figure 37 Air flow pattern of a Liebert Air Economizer system-dropped ceiling
      • Not in Operation
      • Startup Configurations
    • 3.5.2 Liebert Air Economizer Control Settings
      • Figure 38 Operational ranges for chilled water systems and compressor systems
      • Figure 39 Service/Economizer, page 1 of 3
      • Figure 40 Setpoints screen, page 4 of 10
    • 3.5.3 Disable the Liebert Air Economizer
      • Air Economizer Remote Status Indication
        • Figure 41 Deactivation switch
      • Air Economizer Emergency Override
    • 3.5.4 Adjust the Restricted Airflow Switch on the Liebert Air Economizer
  • 3.6 Temperature Control—Reheat
    • 3.6.1 Electric, Hot Gas and Hot Water Reheat
      • Table 7 Reheat configuration types
      • Figure 42 Three-stage heating
    • 3.6.2 SCR Reheat
      • Tight Mode
        • Figure 43 Two single-step compressors with SCR reheat set to Tight mode
        • Figure 44 Two single-step compressors with SCR reheat set to Standard mode
  • 3.7 Humidity Control
    • Figure 45 Humidity proportional band
    • 3.7.1 Humidification
      • Infrared Humidifier
        • Table 8 Parameters for infrared humidifier control
      • Steam Generating Canister Humidifier
    • 3.7.2 Dehumidification
      • Dehumidification Low Limit
        • Figure 46 Setpoints screen, page 3 of 9
      • Dehumidification Compressor Quantity
        • Table 9 Dehumidification With Comp settings
      • Reheat During Dehumidification
        • Figure 47 Dehumidification and reheat control bands
  • 3.8 Supply Control
    • Figure 48 Placing the supply air temperature sensor
    • Table 10 DIP switches in 2T sensors
  • 3.9 Liebert Optimized Aisle Control
    • 3.9.1 Operation
      • Inlet Rack Temperature Control
      • Additional Details of Rack Temperature Operation
      • Temperature Compensation
        • Figure 49 Return Compensation Setpoint in Service Menu
        • Figure 50 Return Compensation in Unit View
        • Figure 51 Return Compensation control band
        • Figure 52 Return Compensation setpoint deviation
        • Figure 53 Supply compensation
        • Figure 54 Supply Compensation in Unit View
        • Figure 55 Supply compensation
        • Figure 56 Temperature/humidity/static pressure control sensors in Optimized Aisle
    • 3.9.2 Static Pressure Control
      • Figure 57 Senor placement
      • Figure 58 Single static pressure sensor Liebert iCOM installation
      • Figure 59 Static pressure sensor placement
      • Figure 60 S190 Limit
      • Figure 61 S190 Control
  • 3.10 Event Types and Properties
    • Table 11 Possible event settings—some events not available in all units
    • 3.10.1 High- and Low-Temperature and Humidity Events
    • 3.10.2 User Inputs
      • Table 12 Customer inputs
    • 3.10.3 Analog Inputs
      • Table 13 Number of analog inputs
      • Figure 62 Analog connection control board switch
      • Table 14 Analog connection control board switch position
    • 3.10.4 Liebert iCOM-DO™
      • Table 15 Alarm mapping
    • 3.10.5 Possible Event Notifications
      • Table 16 Event notifications—large or small display
  • 3.11 Wellness—Next Maintenance Calculation
    • 3.11.1 Calculating Next Maintenance and Diagnostics
      • Calculating Unit Wellness
        • Figure 63 Wellness—Basic settings screen, page 1 of 9
      • Parameters for Next Maintenance Calculation
• 4.0 Teamwork
  • 4.1 Compatibility With Previous Liebert iCOM Controls
  • 4.2 Teamwork Modes
    • 4.2.1 Application of Teamwork Modes
    • 4.2.2 No Teamwork
    • 4.2.3 Teamwork Mode 1
      • Figure 64 Teamwork Mode 1, serial staging
    • 4.2.4 Teamwork Mode 2
    • 4.2.5 Teamwork Mode 3 (Optimized Aisle)
      • Figure 65 Teamwork Mode 3—Fixed speed vs. variable speed
      • Cascade
      • Lead / Lag - Failure Scenarios
      • Application and Configuration of Rack Sensors
        • Figure 66 Remote sensors
        • Figure 67 Sensor positioning
    • 4.2.6 Hardware Setup
  • 4.3 Liebert Optimized Aisle Rack Sensor Installation
    • Figure 68 2T sensor
    • Figure 69 Setting DIP switches for 2T sensors
    • 4.3.1 Tools Required for Installation
    • 4.3.2 DIP Switch Settings
      • Figure 70 DIP switches in 2T sensors
      • Table 17 DIP switch settings for remote sensor applications
      • Set 2T Sensor Identities - DIP Switch Settings
        • Figure 71 Setting 2T Sensor DIP Switches
    • 4.3.3 Terminate the Final Sensor on the CANbus Link
      • Figure 72 2T sensor arrangement and termination
      • Terminating Last 2T Sensor
        • Figure 73 Termination jumper setting
    • 4.3.4 Install 2T Sensors on Racks to be Monitored
    • 4.3.5 Install CANbus Cable Between 2T Sensors
      • Figure 74 Connect CANbus cable
    • 4.3.6 Connecting the CANbus cable at the Unit and Securing the CANbus Cable to Ground
      • Figure 75 Install grounding ring connector
    • 4.3.7 Software Setup
    • 4.3.8 Standby—Rotation
      • Typical Standby (Lead/Lag) Function
      • Standby and Cascade
• 5.0 Installing a Liebert iCOM Unit-to-Unit Network
  • 5.1 Placement of Cooling Units
    • 5.1.1 Balancing Operating and Standby Units
      • Figure 76 Standby unit layout example—10 cooling units in room
  • 5.2 U2U Hardware: Cables and Network Switch
    • Minimum Network Switch Requirements
  • 5.3 Wiring for Unit-to-Unit Communications—U2U
    • Liebert iCOM U2U Ethernet Network
      • Table 18 Sample Liebert iCOM network configurations
    • 5.3.1 Wiring a Liebert iCOM U2U Network
      • Small Displays
        • Figure 77 Connecting two cooling units, each with a small display, using a crossover Ethernet cable
      • Large Displays
        • Figure 78 U2U network setup diagram
      • Wall-Mount Large Display
      • Combining Large and Small Displays on a U2U Network
        • Figure 79 Wiring a small display for stand-alone operation
        • Figure 80 Wiring a small display for U2U network operation
        • Figure 81 Wiring a large display for U2U network operation
      • Liebert vNSA™
        • Table 19 Ports available for connecting Liebert iCOMs
        • Figure 82 Liebert vNSA with optional remote large display
• 6.0 External Communication—Building Management Systems, Liebert SiteScan®
  • 6.1 Building Management Failover Features
  • 6.2 Monitoring Points
    • Figure 83 Liebert Monitoring Points Generator interface
• 7.0 User Menu Parameters
  • Figure 84 User menu icons
  • 7.1 User-Setpoints Screens
    • Figure 85 Setpoints screen, page 1
    • Figure 86 Setpoints screen, page 2
  • 7.2 User-Graphic Menu Screens
    • Figure 87 Graphs, page 1
    • Figure 88 Graphs, page 2
    • Spare Part List
    • Event Log
    • View Network
  • 7.3 User-Set Alarms Menu Screens
    • Figure 89 Set alarms screen, page 1
    • Figure 90 Set alarms screen, page 2
    • Figure 91 Set alarms screen, page 3
    • Figure 92 Set alarms screen, page 4
  • 7.4 User-Sensor Data Menu Screens
    • Figure 93 Sensor data screen, page 1
    • Figure 94 Sensor data screen, page 2 (return only)
    • Figure 95 Sensor data screen, page 3
    • Figure 96 Sensor data screen, page 4
    • Figure 97 Sensor data screen, page 5
    • Active Alarms
  • 7.5 User-Display Setup Menu Screen
    • Figure 98 Display setup screen, page 1
    • Figure 99 Display setup screen, page 2
  • 7.6 User-Total Run Hours Menu Screens
    • Figure 100 Total run hours screen
  • 7.7 User-Sleep Mode Menu Screens
    • Figure 101 Sleep mode screen
  • 7.8 User-Condenser Timer Menu Screens
    • Figure 102 Condenser timer screen—page 1
    • Figure 103 Condenser timer screen—page 2
    • Configuring Low Noise Operation
  • 7.9 User-Expansion View Menu Screens
    • Figure 104 Expansion Device View, page 1
• 8.0 Service Menu Parameters
  • Figure 105 Service Menu Main Screen
  • 8.1 Service-Setpoints Menu Screens
    • Figure 106 Setpoints screen, page 1 of 10
    • Figure 107 Setpoints screen, page 2 of 10
    • Figure 108 Setpoints screen, page 3 of 10
    • Figure 109 Setpoints screen, page 4 of 10
    • Figure 110 Setpoints screen, page 5 of 10
    • Figure 111 Setpoints screen, page 6 of 10
    • Figure 112 Setpoints screen, page 7 of 10
    • Figure 113 Setpoints screen, page 8 of 10
    • Figure 114 Setpoints screen, page 9 of 10
    • Figure 115 Setpoints screen, page 10 of 10
    • Service—Unit Diary Menu Screens (Large Display Only)
  • 8.2 Service—Standby Settings / Lead Lag Menu Screen
    • Figure 116 Standby settings / lead-lag screen, page 1
    • Figure 117 Standby settings / lead-lag screen, page 2
  • 8.3 Service-Maintenance / Wellness Menu Screens
    • Figure 118 Wellness—Basic settings screen, page 1 of 9
    • Figure 119 Wellness—Motor settings screen, page 2 of 9
    • Figure 120 Wellness—Compressor 1 settings screen, page 3 of 9
    • Figure 121 Wellness—Compressor 2 settings screen, page 4 of 9
    • Figure 122 Wellness—Electric heater 1 settings screen, page 5 of 9
    • Figure 123 Wellness—Electric heater 2 settings screen, page 6 of 9
    • Figure 124 Wellness—Electric heater 3 settings screen, page 7 of 9
    • Figure 125 Wellness—Humidifier settings screen, page 8 of 9
    • Figure 126 Wellness—Economizer settings screen, page 9 of 9
  • 8.4 Service-Diagnostics / Service Mode Screens
    • Figure 127 Diagnostics/service mode screen, page 1 of 8
    • Figure 128 Diagnostics/service mode screen, page 2 of 8
    • Figure 129 Diagnostics/service mode screen, page 3 of 8
    • Figure 130 Diagnostics/service mode screen, page 4 of 8
    • Figure 131 Diagnostics/service mode screen, page 5 of 8
    • Figure 132 Diagnostics/service mode screen, page 6 of 8
    • Figure 133 Diagnostics/service mode screen, page 7 of 8
    • Figure 134 Diagnostics/service mode screen, page 8 of 8
  • 8.5 Service-Set Alarms Menu Screens
    • Figure 135 Set alarms screen, page 1 of 11
    • Figure 136 Set alarms screen, page 2 of 11
    • Figure 137 Set alarms screen, page 3 of 11
    • Set Alarm Screens, Pages 4-11
      • Figure 138 Set alarms screen, page 4 of 11
      • Figure 139 Set alarms screen, page 5 of 11
      • Figure 140 Set alarms screen, page 6 of 11
      • Figure 141 Set alarms screen, page 7 of 11
      • Figure 142 Set alarms screen, page 8 of 11
      • Figure 143 Set alarms screen, page 9 of 11
      • Figure 144 Set alarms screen, page 10 of 11
      • Figure 145 Set alarms screen, page 11 of 11
  • 8.6 Service-iCOM-DO Setup Menu Screens
    • Figure 146 iCOM-DO overview and override screen, page 1 of 3
    • Figure 147 iCOM-DO events setup screen, page 2 of 3
    • Figure 148 Liebert iCOM-DO events setup screen, page 3 of 3
  • 8.7 Service-Sensor Calibration Menu Screens
    • Figure 149 Sensor calibration setup screen, page 1 of 12
    • Figure 150 Sensor calibration/setup screen, page 2 of 12
    • Figure 151 Sensor calibration/setup screen, page 3 of 12
    • Figure 152 Sensor calibration/setup screen, page 4 of 12
    • Figure 153 Sensor calibration/setup screen, page 5 of 12
    • Figure 154 Sensor calibration/setup screen, page 6 of 12
    • Figure 155 Sensor calibration/setup screen, pages 7 and 8 of 12
    • Figure 156 Sensor calibration/setup screen, page 9 of 12
    • Figure 157 Sensor calibration/setup screen, page 10 of 12
    • Figure 158 Sensor calibration/setup screen, page 11 of 12
    • Figure 159 Sensor calibration/setup screen, page 12 of 12
  • 8.8 Service-Economizer Menu Screens
    • Figure 160 Economizer, page 1 of 3
    • Figure 161 Economizer, page 2 of 3
    • Figure 162 Economizer, page 3 of 3
  • 8.9 Service-System/Network Setup Menu Screens
    • Figure 163 System/network setup screen—System, page 1 of 2 (large display only)
    • Figure 164 System/network setup screen—System, page 2 of 2 (large display only)
  • 8.10 Service-System/Network Unit-Level Setup Menu Screens
    • Figure 165 System/network setup screen—Unit, page 1 of 2
    • Figure 166 System/network setup screen—Unit, page 2 of 2
  • 8.11 Service-Options Setup Menu Screens
    • Figure 167 Options setup, page 1 of 6
    • Figure 168 Options setup, page 2 of 6
    • Figure 169 Options setup, page 3 of 6
    • Figure 170 Options setup, page 4 of 6
    • Figure 171 Options setup, page 5 of 6
    • Figure 172 Options setup, page 6 of 6
  • 8.12 Service-Service Contact Info Menu Screens
    • Table 20 Service contact information parameters
  • 8.13 Service-Remote Sensors Menu Screens
    • Figure 173 Remote sensors, page 1 of 2
    • Figure 174 Remote sensors, page 2 of 2
  • 8.14 Service-Expansion Device Setup Menu Screens
    • Figure 175 Expansion device, page 1 of 3
    • Figure 176 Expansion device, pages 2 and 3