Vertiv Liebert iCOM Installer And User Manual
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Vertiv Liebert iCOM Installer And User Manual

Vertiv Liebert iCOM Installer And User Manual

Cooling unit control
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Liebert® iCOM™
Installer/User Guide
Intelligent Communication and Monitoring for CW, CWA, DS, DSE,
PDX/PCW

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Summary of Contents for Vertiv Liebert iCOM

  • Page 1 Liebert® iCOM™ Installer/User Guide Intelligent Communication and Monitoring for CW, CWA, DS, DSE, PDX/PCW...
  • Page 2 The products covered by this instruction manual are manufactured and/or sold by Vertiv. This document is the property of Vertiv and contains confidential and proprietary information owned by Vertiv. Any copying, use, or disclosure of it without the written permission of Vertiv is strictly prohibited.

  • Page 3: Table Of Contents

    1.2 Touchscreen Status Dial 1.2.1 Dial Background Color Status Indication 1.3 Control Header 1.3.1 Powering On the Vertiv™ Liebert® iCOM™ and Logging In/Unlocking Controls 1.3.2 Powering On the Thermal Management Unit 1.3.3 Powering Off the Thermal Management Unit 1.3.4 Logging Out 1.3.5 Setting the Date and Time...
  • Page 4 3.5 Vertiv™ Liebert® Air Economizer Operation 3.5.1 Liebert® Air Economizer System Overview 3.5.2 Disable the Vertiv™ Liebert® Air Economizer 3.5.3 Adjust the Restricted Airflow Switch on the Vertiv™ Liebert® Air Economizer 4 Managing Events: Alarms, Warnings and Messages 4.1 Event Properties 4.1.1 Alarms and Events Panel Fields 4.2 Enabling Events and Editing Event Settings...
  • Page 5 7.1.4 Temperature Control with a Fluid Economizer 7.1.5 Viewing Fluid Economizer Statuses 8 External Monitoring and Building Management Systems 8.1 BMS and Vertiv™ Liebert® IntelliSlot™ Settings 8.1.1 Configuring BMS Communication with Embedded Unity 8.1.2 Setting BMS Control Settings 8.1.3 Setting BMS Backup Setpoints 8.2 Communication Setup with Embedded Unity...
  • Page 6 9.5 Supply Sensors 10 Administering Firmware, Settings and Security 10.1 Vertiv™ Liebert® iCOM™ Firmware Upgrades 10.1.1 Compatibility with Earlier Versions of Vertiv™ Liebert® iCOM™ 10.1.2 Updating Vertiv™ Liebert® iCOM™ Control Board Firmware 10.1.3 Reverting to Firmware in Dormant Partition 10.2 Backing Up and Restoring Control Board Settings 10.2.1 Control Board Back Up and Restore Options...
  • Page 7 11.11 Diagnosing Customer Input Issues 11.11.1 Diagnostics—Customer Input Options 11.12 Diagnosing Water Leak Detection Issues 11.12.1 Diagnostics—Water Leak Detection Options 12 Customizing the Vertiv™ Liebert® iCOM™ Display 12.1 Setting General Display Properties 12.1.1 Unit Display Options 12.2 Customizing Main Display Views 12.2.1 Moving Content...
  • Page 8 Vertiv™ Liebert® iCOM™ Installer/User Guide 13.6.1 Required Network Equipment 13.6.2 Plan Wiring Runs 13.6.3 U2U Wiring Connections 13.6.4 Wiring Cooling Units without Wall Mount Displays 13.6.5 Wiring Cooling Units with Wall Mount Displays Appendices Appendix A: Technical Support and Contacts Appendix B: Setpoints and Alarm Settings by Line ID...

  • Page 9: Getting Started With Vertiv™ Liebert® Icom™ Installer/User Guide

    It is available factory installed on new units and assemblies or may be retrofitted in existing units. 1.1 Touchscreen Display and User Interface The Vertiv™ Liebert® iCOM™ touchscreen and user interface speeds set up and installation and simplifies control of Liebert thermal management units, literally putting cooling system monitoring and management at your fingertips.
  • Page 10 User icon. When selected, the user options are available on the main display and menu. NOTE: You must unlock the display with the User PIN to access the menu and options. Powering On the Vertiv™ Liebert® iCOM™ and Logging In/Unlocking Controls on page 6 Service icon.

  • Page 11: Touchscreen Status Dial

    Dial Background Color Status Indication on page 5 . Touching the center of the dial cycles through a set of sensor settings, and you can select the readings displayed, see Adding and Adjusting Content on page 177 . 1 Getting Started with Vertiv™ Liebert® iCOM™ Installer/User Guide...
  • Page 12 If the sensor selected for fan control is the same as that selected for temperature control, the dial displays the fan control sensor and setpoint, as shown in Figure 1.2 above Single or multiple sensor readings. Cycle through readings by touching the displayed reading. 1 Getting Started with Vertiv™ Liebert® iCOM™ Installer/User Guide...

  • Page 13: Dial Background Color Status Indication

    High dew point Low supply temperature Blue Supply Temp High supply temperature Low remote temperature Blue Average Rack Temp High remote temperature Low remote temperature Blue Max Rack Temp High remote temperature 1 Getting Started with Vertiv™ Liebert® iCOM™ Installer/User Guide...

  • Page 14: Control Header

    1.3.1 Powering On the Vertiv™ Liebert® iCOM™ and Logging In/Unlocking Controls The Vertiv™ Liebert® iCOM™ is powered on when power is switched on at the cooling unit’s disconnect switch and you activate the display by touching it.

  • Page 15: Powering On The Thermal Management Unit

    NOTE: Depending on the operating state, there are start and stop priority switches that may prevent the cooling unit from operating even though power to the unit is switched on and you have turned it on via Vertiv™ Liebert® iCOM™.

  • Page 16: Powering Off The Thermal Management Unit

    If one is off/open, the unit turns off. MONITORING Turned-off by remote monitoring system. Check the remote monitoring device or call Vertiv™ technical support for assistance. BACK-DRAFT Unit is non-operational, but EC fan is operating as a back-draft damper.

  • Page 17: Searching

    When logged in, you can use the display search to find the location of settings options based on a term, service code, or parameter. You can also search by the line ID used in the Vertiv™ Liebert® iCOM™ before the touchscreen model. For a listing...

  • Page 18: Accessing The User, Service, And Advanced Menus

    Vertiv™ Liebert® iCOM™ Installer/User Guide 1.6 Accessing the User, Service, and Advanced Menus Vertiv™ Liebert® iCOM™ operating functions that monitor and control a cooling unit are accessed via the User and Service menus. NOTE: You must be logged in to access the menu options. See Powering On the Vertiv™...

  • Page 19: Service Menu

    Opens the Diagnostic/Service menu: • Diagnostics: See Performing Diagnostics on page 165 . • Technical Support: Contact information for the cooling unit and Vertiv™ Liebert® iCOM™ display. Alarm/Event Setup Opens the ALARMS & EVENTS panel. See Managing Events: Alarms, Warnings and Messages on page 81 BMS & Teamwork Opens the BMS &...

  • Page 20: Advanced Menu

    Details about tandem compressor states and operating modes. MBV Settings Motorized ball valve settings (water cooled heat rejection). Runtime Monitoring Details about component run times. Modbus Devices Information about connected Modbus devices such as power and flow meters. 1 Getting Started with Vertiv™ Liebert® iCOM™ Installer/User Guide...
  • Page 21 Electronic expansion valve settings. EconoPhase Details about Vertiv™ Liebert® EconoPhase pumping unit. MC Condenser Details about Vertiv™ Liebert® MC condenser (air cooled heat rejection). Parameter Directory A searchable list of all parameters in the user interface. See Setpoints and Alarm Settings by Line ID on page 205 .
  • Page 22 Vertiv™ Liebert® iCOM™ Installer/User Guide This page intentionally left blank 1 Getting Started with Vertiv™ Liebert® iCOM™ Installer/User Guide...

  • Page 23: User Operation

    Editing Setpoints for the Cooling Unit on page 23 NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 2.1.1 Editing Humidity Setpoints Touch , then >Setpoints.

  • Page 24: Editing Temperature Setpoints

    Touch Cancel to discard the changes. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. User Temperature Setpoint Options 2nd Temperature Setpoint Alternate setpoint activated by customer input (remote alarm device).

  • Page 25: Viewing Unit Alarms

    Vertiv™ Liebert® iCOM™ Installer/User Guide Temperature Setpoint Act Read-only display of adjusted temperature setpoint when one of the following is active: • Temperature compensation • BMS backup temperature setpoint • Customer input setpoint (remote alarm device) Temperature Setpoint Temperature that the unit maintains via cooling/reheat.

  • Page 26: Alarm Detail Fields

    Vertiv™ Liebert® iCOM™ Installer/User Guide 2.2.2 Alarm Detail Fields Alarm Name of the event. Alarm Type Number representing the event type. • 1 : Warning • 2: Alarm Date/Time Date and time the event was logged. Duration Time elapsed since event was logged.
  • Page 27 Vertiv™ Liebert® iCOM™ Installer/User Guide To Acknowledge Alarms On the ALARMS panel, touch Acknowledge All. A check mark overlays the status indicator of the active alarms and warnings, and these automatically clear when the condition is no longer present. • If a critical event must be manually reset, the acknowledged items are listed with a Reset All button on the ALARMS panel.

  • Page 28: Viewing The Event Log

    Vertiv™ Liebert® iCOM™ Installer/User Guide 2.3 Viewing the Event Log The event log is a list by date/time of the last 400 events generated by Vertiv™ Liebert® iCOM™ for the thermal management unit. • On the User menu, touch Event Log. The EVENT LOG for the cooling unit opens. Table 2.3 below describes the color coded status for each event.

  • Page 29: Viewing Vertiv™ Liebert® Econophase Operation

    When your Thermal Management System is a Vertiv™ Liebert® DSE system with a Liebert® EconoPhase pumped refrigerant economizer (PRE) and a Vertiv™ Liebert® MC or MCV condenser, the Liebert® EconoPhase screen, Figure 2.1 below , shows the operating mode of the system. The Liebert® DSE System Optimization feature is automatically employed and reduces power consumption significantly because a PRE package consumes about one-tenth the power of the compressors.

  • Page 30: Viewing Teamwork, Standby, And Cascade Status

    The teamwork dialog opens displaying the teamwork mode, number of units in standby, and number of operating units. NOTE: You must be logged in with the Service PIN to edit teamwork mode. See Powering On the Vertiv™ Liebert® iCOM™ and Logging In/Unlocking Controls on page 6...

  • Page 31: Service Operation

    Setpoints are the means by which cooling unit operation is controlled. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 3.1.1 Setpoints Options...

  • Page 32: Configuring Temperature Setpoints

    Temperature Control on page 28 NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. Temperature Control Options AutoSet Enabled When enabled, the proportional band for temperature and humidity and both integration time factors are set automatically based on the type of cooling unit (single compressor, dual compressor or chilled water).
  • Page 33 Vertiv™ Liebert® iCOM™ Installer/User Guide Heater Deadband Widens the setpoint to prevent small temperature changes from cycling re-heat components. Temperature Control Sensor Selects sensor that controls cooling. Values are: • Supply Sensor: Temperature control is based on maintaining the temperature of the discharge air from the cooling unit.
  • Page 34 Vertiv™ Liebert® iCOM™ Installer/User Guide Temperature Integration Time Adjusts amount of cooling/heating based on the length of time the temperature has deviated from the setpoint. The time selected is the amount of time it will take cooling capacity to reach 100%. For example, if three minutes is selected, cooling capacity will increase to 100% in three minutes.

  • Page 35: Temperature Control-Temperature Setpoints And Cooling Operation

    Compressor Operation Vertiv™ Liebert® iCOM™ controls the cooling units based on a calculated need for cooling (and heating, if included on your system). The requirement is expressed as a percentage and is calculated using the selected temperature control type.
  • Page 36 Vertiv™ Liebert® iCOM™ Installer/User Guide Temperature Deadband A deadband widens the setpoint to prevent small temperature changes from activating compressors and valves and cause excessive component cycling. Figure 3.2 below , illustrates temperature control using: • 70° setpoint • 10° proportional band •...

  • Page 37: Compressor Control By Cooling Requirement

    Vertiv™ Liebert® iCOM™ Installer/User Guide Table 3.1 PI Temperature Control Troubleshooting Problem Solution Decrease the proportional band slightly and monitor operation. Cooling is slow to activate Repeat until cooling reaction time is acceptable. Increase the proportional band slightly by increasing the integration time between 3 and 5 minutes, and monitor compressor run time.
  • Page 38 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.3 Compressor Control—One Step Capacity Description Single scroll compressor. ½ of proportional band. Deadband. Two Scroll Compressors without Unloaders • 70° setpoint • 8° proportional band • 2° deadband In Figure 3.4 on the facing page : Compressor 1 starts at 73°...
  • Page 39 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.4 Compressor Control—Two Step Capacity Using Two Scroll Compressors without Unloaders Number Description Scroll compressor 1. Scroll compressor 2. ½ of proportional band. Deadband. One Scroll Compressor with Unloader • 70° setpoint • 8° proportional band •...
  • Page 40 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.5 Compressor Control—Two Step Capacity Using One Scroll Compressor with Unloaders Number Description Scroll compressor unloaded. Scroll compressor loaded. ½ of proportional band. Deadband. Two Scroll Compressors with Unloaders • 70° setpoint • 8° proportional band •...
  • Page 41 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.6 Compressor Control—Four Step Capacity Description Description Step 1: Compressor 1 starts unloaded. Step 4: Compressors 1 and 2 operate loaded. Step 2: Compressor 2 starts unloaded. ½ of proportional band. Step 3: Compressor 1 operates loaded and compressor 2 Deadband.
  • Page 42 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.7 Digital Scroll Compressor Operation to Provide 66% Cooling Capacity Description Solenoid de-energized. Solenoid energized. Percent loaded. 15 second capacity modulation cycle. One Digital Scroll Compressor In a single digital scroll system: • The compressor starts when the cooling demand is at least 25% (calculated from temperature proportional band) and operates at 50% capacity (valve open 7.5 seconds/closed 7.5 seconds) for an initial period set in...
  • Page 43 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.8 Compressor Control—Single Digital Scroll Compressor Description Digital scroll begins operation Digital scroll operation at 100% ½ of proportional band Deadband Dual Digital Scroll Compressors In a two digital scroll system, the compressors operate in a lead-lag configuration: •...
  • Page 44 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.9 below illustrates digital scroll compressor operation with the following setpoint parameters: • 70° setpoint • 8° proportional band • 2° deadband Figure 3.9 Compressor Control—Dual Digital Scroll Compressor Description Lead compressor Lag compressor Lead and lag compressors.

  • Page 45: Setting Temperature Compensation

    3.1.6 Fan Temperature Compensation For applications where unit fan speed is being controlled off the return sensor, Vertiv™ Liebert® iCOM™ shall also support the capability of simultaneously utilizing remote 2T sensor values to override the return air temperature setpoint associated with fan speed control.
  • Page 46 Vertiv™ Liebert® iCOM™ Installer/User Guide The remote 2T sensors required for this feature shall monitor cold aisle temperatures while fan speed is driven by the return air sensor and corresponding setpoint. As the remote temperature increases above the Fan Temp Comp – Remote Setpoint, fan speed control setpoint (return air setpoint) shall begin to decrease starting with 0⁰F/0.0K adjustment when at the remote...

  • Page 47: Configuring High/Low Limit Setpoints

    Touch Cancel to discard the changes. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. High/Low Limit Control Options Dehum Low Limit X Temperature at which dehumidification is interrupted, where X is limit 1 or 2.

  • Page 48: Configuring Humidity Setpoints

    Touch Cancel to discard the changes. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. Humidity Control Options Control Dew Point Dew point setpoint.
  • Page 49 Vertiv™ Liebert® iCOM™ Installer/User Guide Humidity Control Type Controls humidification/dehumidification operation. Valid values are: • Proportional: Percent of humidification/dehumidification determined by the difference between the humidity sensor reading and the humidity setpoint. • Dew Point: Percent of humidification/dehumidification determined using the measured return temperature and humidity to calculate the dew point and comparing it to the setpoints.

  • Page 50: Humidity Control

    Humidity control refers to the cooling unit’s response to programmed setpoints and sensed humidity conditions. Vertiv™ Liebert® iCOM™ controls humidity based on temperature and humidity sensor readings. The requirement is expressed as a percentage and is calculated using the selected humidity control type.

  • Page 51: Configuring Fan Setpoints

    Touch Cancel to discard the changes. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 3 Service Operation...
  • Page 52 Vertiv™ Liebert® iCOM™ Installer/User Guide Fan Control Options Airflow Calibration Maximum allowed fan output voltage. Fan Control Sensor Selects the sensor that controls automatic fan speed, see Automatic Fan Speed Control on page 47 , – or – Selects manual control, see Manual Fan Speed Control on the facing page .

  • Page 53: Manual Fan Speed Control

    In Manual fan control mode, the speed of the motor can be set in one of the following ways: • The manual (fixed) fan speed may be set via Vertiv™ Liebert® iCOM™. • Hard wired analog input (input signal types including 4 to 20 mA, 0 to 10 VDC, and 0 to 5 VDC) and a factory- suppled isolator to ensure reliable communication.
  • Page 54 NOTE: Set the fan speed via BMS by writing to the "Fan Speed Maximum Setpoint" monitoring point. For details, see SL-28170 IntelliSlot Reference Guide found at https://www.vertiv.com/en-us/support/. NOTE: Local adjustments to fan speed are overridden when remote/BMS fan speed control is set.

  • Page 55: Automatic Fan Speed Control

    Vertiv™ Liebert® iCOM™ Installer/User Guide 3.1.12 Automatic Fan Speed Control Temperature sensors can control fan speed using one of three modes based on the type of sensor selected as the fan-control sensor: supply, return, or remote, see Table 3.2 below . Control is based on the selected sensor for both fan control and temperature control and their setpoints as follows: •...
  • Page 56 Vertiv™ Liebert® iCOM™ Installer/User Guide NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. Static Pressure Settings Options Current Override Temperature Current temperature reading of the sensor selected for static pressure control override.

  • Page 57: Supply Sensor Aggregation

    Vertiv™ Liebert® iCOM™ shall support a maximum of (6) sensors for Supply Sensor Aggregation calculation. Up to (5) additional remote 2T sensors may be connected to a given Liebert® iCOM™ controller and programmed for Supply Sensor Aggregation.

  • Page 58: Scheduling Condenser And Cooling Unit Tasks

    3.2.1 Scheduling Condenser Low Noise Operation Condenser setback schedules low noise fan operation on units equipped with Vertiv™ Liebert® MC premium efficiency control. Fans spin more slowly during specified times to reduce noise, and faster when low noise is unnecessary.

  • Page 59: Scheduling Condenser Fan Reversal

    Vertiv™ Liebert® iCOM™ Installer/User Guide Condenser Setback Task Properties Options Disabled Day Selects specific days on which noise-reduction operation is disabled when the schedule is enabled. Interval 1 Start and finish time of day that noise-reduction operates. Interval Day Selects days on which noise reduction operation for the interval specified in Interval 1.

  • Page 60: Scheduling Sleep Times For Thermal Management Units

    Vertiv™ Liebert® iCOM™ Installer/User Guide Condenser Fan Reversal Task Properties Options Reverse Fans At Duration Length of time, in seconds, the fans are reversed. Reverse Fans Every Selects number of days between fan reversal. Reverse Fans Now Enables/disables immediate fan reversal.

  • Page 61: Setting General Thermal Management Unit Options

    3.3 Setting General Thermal Management Unit Options NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 3.3.1 Setting Miscellaneous Options...

  • Page 62: Configuring Quick Start

    3.3.2 Configuring Quick Start In the event of a power interruption to the Vertiv™ Liebert® iCOM™ controller, the unit components and controls shut down. Normally, after power is restored, the Liebert® iCOM™ controller must fully boot, and no cooling or air flow occurs until the controls have fully booted.
  • Page 63 DX Quick Start Initial Call for Cooling Compressor output percentage (call for cooling) during quick start operation (0 – 100%). DX Quick Start with Econophase Enables/disable Liebert® EconoPhase operation during quick start. When enabled on Vertiv™ Liebert® DSE thermal management units, note the following: •...

  • Page 64: Automatic Restart After Power Failure

    Touch Cancel to discard the changes without saving. 3.3.4 Setting Fan Options Air flow is adjustable via Vertiv™ Liebert® iCOM™ manually using a building management system (BMS) or automatically using locally installed temperature sensors. NOTE: Thermal management units ship with the factory setting Return Sensor for the temperature control sensor and the fan speed control sensor.
  • Page 65 Vertiv™ Liebert® iCOM™ Installer/User Guide Fan Shutdown Delay Timer Length of time that the fan continues to operate after the cooling unit is turned off via the display, local control or the BMS. The delay timer does not apply when the unit is turned off remotely.

  • Page 66: Setting Compressor Options

    Touch Cancel to discard the changes without saving. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. Compressor Settings Options Ball Valve Setpoint Offset Adjusts sensitivity to compressor discharge pressure or liquid pressure by increasing sensitivity.
  • Page 67 Vertiv™ Liebert® iCOM™ Installer/User Guide Setting Low Pressure Time Delay At compressor start up, a low pressure condition is ignored for a set period to avoid false trips due to bubbles in the refrigerant or other misreading of the low pressure device.

  • Page 68: Setting Reheat Options

    Vertiv™ Liebert® iCOM™ Installer/User Guide 3.3.6 Setting Reheat Options If the room air temperature becomes too cold, heating is activated based on the temperature proportional band setting. Depending on the type of cooling unit, there are different types of reheat (configured at purchase/set at factory). There may also be one to three stages of reheat, which are also factory set.

  • Page 69: Reheat Control

    Vertiv™ Liebert® iCOM™ Installer/User Guide SCR Control Type Enables/disables SCR reheat. (May not be included on your cooling unit.) See Reheat Control below . Values are: • None: SCR reheat disabled. • Tight: Use tight control reheat mode. • Standard: Use standard reheat mode.
  • Page 70 Vertiv™ Liebert® iCOM™ Installer/User Guide The proportional band is divided evenly on each side of the setpoint. The deadband is divided evenly on each side of the setpoint. The temperature proportional band below the setpoint is divided into thirds, one for each stage.
  • Page 71 Vertiv™ Liebert® iCOM™ Installer/User Guide SCR Reheat—Standard Mode NOTE: Standard SCR Reheat when used in conjunction with variable cooling capacity (such as chilled water, variable speed fans or digital scroll compressors) provides ultimate capacity control and energy efficiency gains. In standard mode, SCR reheat responds to a 0% to 100% heating requirement based on the temperature proportional band.
  • Page 72 When temperature decreases below the setpoint, SCR operates at full capacity as the air temperature drops and heating demand increases from 0% to 200%. NOTE: Some cooling units are not suited for a strict, NO LOAD application and require a minimal load in the space. Consult a Vertiv™ representative for verification. 3 Service Operation...

  • Page 73: Setting Humidifier Options

    Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.16 Temperature Control for Reheat—SCR in Tight Mode Description Description SCR reheat operation. 100% heating. SCR reheat capacity is decreased as temperature nears 100% cooling, and Compressor 1 operation. compressor 2 stops operating. Compressor 2 operation.

  • Page 74: Setting Dehumidification Options

    Vertiv™ Liebert® iCOM™ Installer/User Guide NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. Humidifier Settings Options Humidification System Enabled Enables/disables group wide (network wide) humidification by the cooling units in the group.

  • Page 75: Setting Water Leak Detector Options

    Vertiv™ Liebert® iCOM™ Installer/User Guide NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. Dehumidification Settings Options Capacity Increase on Dehum Capacity increase permitted during dehumidification.
  • Page 76 Q15 Settings Options Damper Switch Feedback Timer If output function is Damper and End Switch, the length of time Vertiv™ Liebert® iCOM™ waits for the feedback signal from the damper motor, that is, if it is open or closed. Fan Delay for Damper Length of time that must elapse during damper opening/closing.

  • Page 77: Temperature Control: Setting Loss Of Cooling Operation

    Vertiv™ Liebert® iCOM™ Installer/User Guide Q15 Temp Actual Current value of the sensor selected as the Q15 Output Sensor. Q15 Temp Output Threshold Temperature threshold above or below which Q15 output activates. 3.3.12 Temperature Control: Setting Loss of Cooling Operation Loss of cooling is defined as a state where the Liebert® unit can no longer support cooling operation. During a loss of cooling situation, airflow output is still provided.

  • Page 78: Vertiv™ Liebert® Fluid Economizer

    1800 seconds). When the unit is in this state, the end-user may define the desired unit operation. 3.4 Vertiv™ Liebert® Fluid Economizer Two types of fluid economizers are offered, GLYCOOL and Dual-Cool. GLYCOOL models are two-pipe systems. This means that two pipes enter the unit and feed the chilled water/free-cooling coil as well as the compressor(s) and heat exchanger (eg., Liebert®...
  • Page 79 Vertiv™ Liebert® iCOM™ Installer/User Guide The Set option allows free-cooling whenever the fluid temperature sensed (User Menu > Sensor Data) is colder than the temperature setpoint. The difference required between the temperature setpoint and the fluid temperature is adjusted on the following line DT2 Room / FC Fluid value (Service Menu, Setpoints).
  • Page 80 Vertiv™ Liebert® iCOM™ Installer/User Guide GLYCOOL Cooling—Freecooling GLYCOOL units may be programmed to stage cooling components in either of two ways: • Operate freecooling or compressor(s) to maintain temperature (factory default) • Operate freecooling and compressor(s) simultaneously Caution must be taken when operating free-cooling and the compressor simultaneously on GLYCOOL units. Adequate flow must be provided to the unit to prevent high pressure when 100% free-cooling is required in addition to DX cooling.

  • Page 81: Vertiv™ Liebert® Air Economizer

    Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.18 Freecooling and Compressorized Operation 3.4.2 Vertiv™ Liebert® Air Economizer The Liebert® Air Economizer is an option for Liebert downflow units. The Liebert Air Economizer uses cool outdoor air in mild climates to condition indoor spaces. It is functional only on cooling units with a Liebert® iCOM™ that has been wired and configured to accommodate the Liebert Air Economizer.
  • Page 82 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.19 Temperature and Humidity Sensor Connections—Vertiv™ Liebert® DS and Vertiv™ Liebert® CW 3 Service Operation...

  • Page 83: Vertiv™ Liebert® Air Economizer Operation

    3.5 Vertiv™ Liebert® Air Economizer Operation Liebert® cooling units control the Liebert Air Economizer with the analog outputs of the Vertiv™ Liebert® iCOM™ control. The Liebert® iCOM™ can be used with a Liebert® Air Economizer or with an air economizer supplied by others if equipped with 0- 10VDC or 2-10VDC dampers.

  • Page 84: Liebert® Air Economizer System Overview

    Vertiv™ Liebert® iCOM™ Installer/User Guide NOTICE Risk of high or low humidity. Can cause environmental conditions that are outside equipment requirements. While the Liebert® Air Economizer is operating, the primary cooling unit’s humidification and dehumidification are inhibited. If humidity level is important to operational requirements, it must be controlled by other methods during operation of the Liebert®...
  • Page 85 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.21 Air Flow Pattern of a Liebert® Air Economizer System—Regular Ceiling 3 Service Operation...
  • Page 86 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 3.22 Air Flow Pattern of a Liebert® Air Economizer System-Dropped Ceiling Not in Operation When the Liebert® Air Economizer is not operating, the outside air damper is closed, the return air damper is open and the relief air vent fan is shut down.

  • Page 87: Disable The Vertiv™ Liebert® Air Economizer

    3.5.2 Disable the Vertiv™ Liebert® Air Economizer The Liebert® Air Economizer can be disabled using a hard-wired deactivation switch, through the Vertiv™ Liebert® iCOM™ display, or through a remote monitoring system using a Vertiv™ Liebert® IntelliSlot™ card.

  • Page 88: Adjust The Restricted Airflow Switch On The Vertiv™ Liebert® Air Economizer

    Acknowledge this alarm and allow it to clear by pressing the horn button on the control once. The alarm may also be cleared by shutting Off power to the Vertiv™ Liebert® iCOM™ and cycling power to the cooling unit. The unit will now resume normal operation.

  • Page 89: Managing Events: Alarms, Warnings And Messages

    > Alarm/Event Setup. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 4.1.1 Alarms and Events Panel Fields Property Lists groups of events, expanding displays the events in each group.

  • Page 90: Enabling Events And Editing Event Settings

    Vertiv™ Liebert® iCOM™ Installer/User Guide Indicates type of acknowledgment required. See Acknowledging Alarms on page 18 . This option is not available with all alarm types. • Auto: The alarm is acknowledged automatically. It goes away if the situation that triggered alarm event is no longer true.

  • Page 91: Selecting Event Type And Setting Alarm/Warning Notification

    Vertiv™ Liebert® MC Condenser. Table 4.4 on page 90 , describes events for the Vertiv™ Liebert® EconoPhase unit. Table 4.5 on page 91 , describes events for the Vertiv™ Liebert® DSE compressors. Table 4.6 on page 91 , describes events for the EEV alarm board.
  • Page 92 Vertiv™ Liebert® iCOM™ Installer/User Guide Enable Enables/disables notification. Touch the switch to set On or Off. • When disabled, events are not logged or displayed and visual/audible alarm notifications are not made. Type Logging and notification level of the event. Table 4.1 below , describes the event type and notification it generates.
  • Page 93 Vertiv™ Liebert® iCOM™ Installer/User Guide NOTE: Depending on customization, some events may not be available on your cooling unit. Table 4.2 Event Notification Defaults Default delay/Range Event Internal delay Type for adjustment MAIN FAN OVERLOAD 2 sec 5 sec/0 – 9999 *...
  • Page 94 Vertiv™ Liebert® iCOM™ Installer/User Guide Table 4.2 Event Notification Defaults (continued) Default delay/Range Event Internal delay Type for adjustment UNIT X DISCONNECTED Internal Calc. LOSS OF POWER 0 sec CUSTOMER INPUT 1 2 sec 2 sec/0 – 9999 * CUSTOMER INPUT 2 2 sec 2 sec/0 –...
  • Page 95 ENABLED/DIS - ENAB Table 4.3 on the next page , describes events available with a Vertiv™ Liebert® MC Condenser. NOTE: A CANbus connection between the Liebert® MC condenser and Vertiv™ Liebert® iCOM™ is required to trigger these events. Table 4.3 Events Specific to Liebert® MC Condenser...
  • Page 96 Vertiv™ Liebert® iCOM™ Installer/User Guide Table 4.3 Events Specific to Liebert® MC Condenser (continued) Event Description GC Low Cond Temp Low refrigerant liquid line temperature C1 or C2 The following events may result from a fan failure alarm. Refer to the specific fan manufacturer’s literature for troubleshooting information.
  • Page 97 Vertiv™ Liebert® iCOM™ Installer/User Guide Table 4.4 Events Specific to Liebert® EconoPhase (continued) Event Description Outlet refrigerant-temperature-sensor failure. Pump shut down. PB1 OUT TEMP SEN FAIL • Event is reset when condition clears. Liebert® iCOM™ lost CAN communications with pump board. Pump shut down.
  • Page 98 PB Cycle Lock Out • Liebert® EconoPhase operation is disabled until the event is manually reset. Table 4.5 on the facing page , describes events available with the Vertiv™ Liebert® DSE compressor. Table 4.5 Events Specific to Liebert® DSE Compressor Event...
  • Page 99 Vertiv™ Liebert® iCOM™ Installer/User Guide Table 4.5 Events Specific to Liebert® DSE Compressor (continued) Event Description COMP 1A SHORT CYCLE COMP 1B SHORT CYCLE Compressor exceeded the maximum number of stop/starts allowed in the time period. COMP 2A SHORT CYCLE COMP 2B SHORT CYCLE CIRCUIT 1 HIGH PRESS Circuit 1 or 2 high discharge pressure.

  • Page 100: Enabling The Audible Alarm Notification

    Vertiv™ Liebert® iCOM™ Installer/User Guide 4.4 Enabling the Audible Alarm Notification Touch , then > Display Options > Display Properties. The UNIT DISPLAY panel opens. 2. Touch the Alarm Buzzer Pattern value, and select a pattern from the drop-down list. •...
  • Page 101 Vertiv™ Liebert® iCOM™ Installer/User Guide Customer Input Options Customer Input X Selects the customer wired input, where X is the input number. See Table 4.8 on page 95 , for a description of available values. Customer Input X Active When Selects when the input triggers an event. Options are: •...
  • Page 102 Vertiv™ Liebert® iCOM™ Installer/User Guide NOTE: Depending on customization, some events listed in Table 4.8 on the facing page , may not be available with your system. Table 4.8 Customer Input Options Input Action/Description Smoke Event only. Water Alarm Event only.
  • Page 103 Vertiv™ Liebert® iCOM™ Installer/User Guide Table 4.8 Customer Input Options (continued) Input Action/Description SWAP VALVE No event -Active X valve closes and Y opens/Inactive Y closes and X opens. See 7.3 - Custom Dual Chilled Water Valve Staging. EC FAN FAULT Event + Set analog output to 10 V.
  • Page 104 Vertiv™ Liebert® iCOM™ Installer/User Guide This page intentionally left blank 4 Managing Events: Alarms, Warnings and Messages...

  • Page 105: U2U Networking

    • Cascading NOTE: The U2U network must be separate from other networks. Use a communication card, such as a Vertiv™ Liebert® IntelliSlot™ Unity, to communicate securely between your building-management system or other networks. 5.1 Preparing for U2U Group Set Up Cooling units in the network will be assigned to groups, which affects how units function in teamwork, standby, rotation, and cascading operations.

  • Page 106: Configuring U2U Network Settings

    Units on standby Network switch 5.2 Configuring U2U Network Settings The U2U NETWORK SETTINGS configure Vertiv™ Liebert® iCOM™’s unit to unit communication and includes information buttons, , that display pop-up field descriptions. The panel also indicates issues with the network settings. For resolution, see Troubleshooting Network Settings Issues on page 100 .

  • Page 107: U2U Control Board Settings

    Vertiv™ Liebert® iCOM™ Installer/User Guide 5.2.1 U2U Control Board Settings Broadcast Logical address at which connected units receive datagrams. NOTE: Messages sent to the broadcast address is typically received by all network-attached hosts. CB Firmware Version Display configuration based on the firmware version of the control board, as follows: •...

  • Page 108: Troubleshooting Network Settings Issues

    Vertiv™ Liebert® iCOM™ Installer/User Guide 5.2.2 Troubleshooting Network Settings Issues At the bottom of the U2U NETWORK SETTINGS panel, an Issues button indicates whether or not there are problems with the network settings. The button indicates the number of issues and changes color when a problem exists, see Table 5.1 below .

  • Page 109: Teamwork, Standby And Rotation For Cooling Units

    6.2 Teamwork Modes When Vertiv™ Liebert® iCOM™ controlled thermal management units are connected to a network in a group or team, use teamwork to optimize performance and efficiency depending on the mode chose and its application.
  • Page 110 Mode 3 - Optimized aisle teamwork NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 6 Teamwork, Standby and Rotation for Cooling Units...
  • Page 111 Vertiv™ Liebert® iCOM™ Installer/User Guide Teamwork Control Options Qty. Units included in Average Defines the quantity of units sensor values (X) within a given network group that are included within the 'System' average calculation and used for control. The primary unit ranks the units by temperature value of: •...

  • Page 112: No Teamwork-Multiple Zones In One Room

    In Teamwork mode 1, most parameters are shared and, when set in any unit, are set in all units in the group. NOTE: Teamwork Mode 1 - Parallel is not supported on the Vertiv™ Liebert® DSE product line. 6 Teamwork, Standby and Rotation for Cooling Units...

  • Page 113: Teamwork Mode 2-Independent Operation

    Setting Up Teamwork Mode 3 Teamwork mode 3 requires the following: • Vertiv™ Liebert® iCOM™ connection to a U2U network. • Variable capacity compressors in the cooling unit. • Variable speed fans in the cooling unit.

  • Page 114: Assigning Cooling Units To Standby (Lead/Lag)

    Vertiv™ Liebert® iCOM™ Installer/User Guide 2. At each unit in the group: • Touch , then > Setpoints > Temperature Control. • In Temperature Control Sensor, select Supply Sensor, then touch Save. • In Temperature Setpoint, select the setpoint based on the cooling unit’s area of influence, then touch Save.

  • Page 115: Setting A Rotation Schedule

    Vertiv™ Liebert® iCOM™ Installer/User Guide Standby Options High Temperature Threshold Temperature at which all standby units are activated. Number of Standby Units Number of units in standby mode. Standby Fan Timer at Reheat/Humidification Length of time in minutes that the fan continues to operate after the cooling unit enters standby mode if reheat or the humidifier were operating when unit powered-off.

  • Page 116: Manually Rotating The Operating And Standby Units

    Vertiv™ Liebert® iCOM™ Installer/User Guide Rotate Every Selects rotation period. Valid values: • 12 hrs • 24 hrs Rotate Now Immediately performs rotation. Rotation Frequency Frequency at which rotation occurs. Options include: • No: Rotation disabled. • Daily: Rotation occurs every day.

  • Page 117: Configuring Economizer Operation

    In a four pipe system, two fluid lines are dedicated to a second chilled water coil and two fluid lines are dedicated to a glycol cooled or chilled water cooled compressorized loop. The fluid economizer option appears on the Vertiv™ Liebert® iCOM™ service menu and opens the FLUID ECONOMIZER panel to configure operation.

  • Page 118: Overriding The Fluid Economizer Operation

    Vertiv™ Liebert® iCOM™ Installer/User Guide 7.1.2 Overriding the Fluid Economizer Operation Overrides the economizer’s settings with those of the cooling unit. Touch , then > Economizer > Override. The OVERRIDE panel opens. 2. Select the override settings and touch Save. Fluid Economizer Override Options Enable Fluid Economizer Enables/disables economizer operation.
  • Page 119 Vertiv™ Liebert® iCOM™ Installer/User Guide NOTE: Depending on the type of economizer with your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. Fluid Economizer Set Up Options DT Between Room and Fluid Type Selects the glycol/chilled water temperature input used by the comparator circuit to determine if the DT warrants use of secondary cooling.

  • Page 120: Temperature Control With A Fluid Economizer

    Vertiv™ Liebert® iCOM™ Installer/User Guide Free Cooling Flush Duration Length of time the for flush of the free cooling coil. Free Cooling Flush Starts K11 When enabled, the Q15 relay is activated during the free cooling flush. Ramp Up Fan at 100% FC Enables/disables an increase in fan speed when free cooling reaches 100% capacity.
  • Page 121 Vertiv™ Liebert® iCOM™ Installer/User Guide Secondary Cooling Temperature Control with Two Step Compressor When the fluid temperature meets the set up requirements, secondary cooling provides temperature control as follows. If the fluid is not cold enough, primary compressorized cooling operates as normal.
  • Page 122 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 7.1 Temperature Control—Fluid Economizer and Example Two Step Compressor Capacity Description Description Deadband. ½ of proportional band assigned to compressor(s) operation. Scroll compressor step 1. ½ of proportional band assigned (Compressor 1 in dual compressor configuration, Unloaded in single compressor to valve operation.

  • Page 123: Viewing Fluid Economizer Statuses

    Vertiv™ Liebert® iCOM™ Installer/User Guide 7.1.5 Viewing Fluid Economizer Statuses Display the status of the economizer features installed in the cooling unit. • Touch , then > Economizer > Status. The STATUS panel opens. • If the status indicators are not all green, the economizer is not used to condition the unit. To adjust the...
  • Page 124 Vertiv™ Liebert® iCOM™ Installer/User Guide This page intentionally left blank 7 Configuring Economizer Operation...

  • Page 125: External Monitoring And Building Management Systems

    Vertiv™ Liebert® iCOM™ Installer/User Guide 8 External Monitoring and Building Management Systems Vertiv™ Liebert® iCOM™-controlled cooling units are equipped with embedded Liebert® IS-Unity-DP™ software to communicate with external monitoring systems including Building Management Systems (BMS), Network Monitoring Systems (NMS) and Vertiv™ Liebert® SiteScan™ Web.

  • Page 126: Setting Bms Control Settings

    Monitoring Address Address used by an optional, installed IntelliSlot™ card. Factory default is 3. • Do not modify the monitoring address unless directed to do so by Vertiv technical support. Monitoring Protocol Protocol used for communication with BMS. Options are: •...

  • Page 127: Setting Bms Backup Setpoints

    Configuring Fan Setpoints page 43 . Monitoring Handshake Sets a time period, in minutes, in which communication between the BMS and Vertiv™ Liebert® iCOM™ must occur. Maximum Fan Speed Current fan speed setting (set via fan setpoints or by BMS). 8.1.3 Setting BMS Backup Setpoints...

  • Page 128: Communication Setup With Embedded Unity

    8.2.1 Connecting to the BMS The embedded Unity software resides on the Vertiv™ Liebert® iCOM™ control board. There are two methods of connecting to a BMS, via Ethernet or RS-485. For a network connection, connect the Ethernet cable from the BMS to P74 on the Liebert® iCOM™ control board. 8.2.1 above , shows the connector location.
  • Page 129 RS-485 Expansion board port (EP1) The expansion board is needed only if there is a requirement to do Velocity 4 to Vertiv™ Liebert®IntelliSlot™ based cards and BACnet or Modbus RS-485 simultaneously. See Figure 8.2 on the next page for the expansion board.
  • Page 130 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 8.2 Expansion Board NOTE: The TB1 for RS-485 Terminal Block is used if a Sitelink/Sitescan connection and MODBUS or BACnet MSTP is required simultaneously. 8 External Monitoring and Building Management Systems...
  • Page 131 Vertiv™ Liebert® iCOM™ Installer/User Guide Table 8.1 below , lists problems you may encounter with the Unity software and possible solutions. Table 8.1 Embedded Unity Troubleshooting Problem Possible cause Suggested Remedy Make sure the correct monitoring protocol is selected in BMS Setup.

  • Page 132: Embedded Unity User And Password

    8.2.2 Embedded Unity User and Password Changes to the Unity configuration are authenticated with a user/password that is stored in Vertiv™ Liebert® iCOM™. The stored user name and password must match that of a user account in embedded Unity, see Local Users Configuration page 126 , for a description of the Unity accounts.
  • Page 133 Vertiv™ Liebert® iCOM™ Installer/User Guide Time Service Settings Touch , then > BMS & Teamwork > IS-Unity   Setup > Configuration > System > Time Service. 2. Adjust the settings, and touch Save. Time Service Setting Options External Time Source The external source to use for time synchronization. Default is NTP Server.

  • Page 134: Local Users Configuration

    Vertiv™ Liebert® iCOM™ Installer/User Guide 8.2.5 Local Users Configuration Local Users offers up to 10 users and three access levels described in Table 8.2 below . The default password for all users is Liebert (case sensitive). Table 8.2 User Access Levels...

  • Page 135: Network Configuration

    Vertiv™ Liebert® iCOM™ Installer/User Guide 8.2.6 Network Configuration Touch , then > BMS & Teamwork > IS-Unity   Setup > Configuration > Network. 2. Adjust the settings, and touch Save. Network Setting Options Speed Duplex Selects the speed and duplex configuration of the card’s Ethernet port. It is set to Auto by default. If it requires changing, contact the system administrator for the proper settings.
  • Page 136 Vertiv™ Liebert® iCOM™ Installer/User Guide IPv4 and IPv6 Configuration The IPv4 and IPv6 settings determine which internet protocol will be used for communication over the network connected to the Ethernet port. IPv4 and IPv6 networks will run in parallel (dual stack network), but the protocols are different. See your network administrator to determine which protocol should be enabled and to determine the correct settings.

  • Page 137: Web Server Configuration

    Vertiv™ Liebert® iCOM™ Installer/User Guide Static IP Address Network address for the interface. Prefix Length Prefix length for the address that divides a network into manageable segments. Default Gateway IP address of the gateway for network traffic destined for other networks or subnets. Default is 64.
  • Page 138 HTTP Port Standard web port not encrypted. Required if HTTP is enabled as web server protocol. Default is 80. Must be set to 80 for correct Vertiv™ Liebert® iCOM™ connection. HTTPS Port Standard secure web port; all communication is encrypted. Required if HTTPS is enabled as web server protocol.
  • Page 139 Vertiv™ Liebert® iCOM™ Installer/User Guide Certificate Configuration When the web server protocol is configured to use HTTPS communications, all web server communication with all browsers is encrypted and validated based upon the security algorithms and validity checks specified in the SSL certificate that is currently installed in the card.

  • Page 140: Remote Services Configuration

    Vertiv™ Liebert® iCOM™ Installer/User Guide Country Code Country code (two letter abbreviation) of the organization identified as the owner of the generated certificate. Email Address E-mail address of the contact within the organization identified as owner of the generated certificate. Generating a Self-Signed SSL Certificate...
  • Page 141 Vertiv™ Liebert® iCOM™ Installer/User Guide Device Serial Number Override Enables/disables use of the serial number obtained from the managed device. Site Equipment Tag Number Number from the site equipment tag. Site Identifier Site identification number. Device Instance ID Manufacturer's device identification number.
  • Page 142 Vertiv™ Liebert® iCOM™ Installer/User Guide Proxy IP Port Number Port number of the proxy server. Range is 1 to 65535. Proxy User Name User name of the proxy server. Proxy User Password Password of the proxy server. Remote Service Cloud URL URL address of the remote-service cloud.

  • Page 143: Velocity Protocol Configuration

    Velocity protocol contains four sub-folders: Managed Device, MSTP, Ethernet, and Internal. NOTE: With the exception of changing the node ID when multiple cards are used or when disabling Velocity Protocol IP access, the settings in the Velocity Protocol sub-folders should not be modified unless directed by a Vertiv™ representative.

  • Page 144: Messaging Configuration

    Vertiv™ Liebert® iCOM™ Installer/User Guide Max Master Address Maximum node ID in-use on the MSTP interface. Network Number Network number of the MSTP interface. 1 to 65534. Node ID Node ID of the agent card on the MSTP LAN. 0 to 127. Velocity Protocol Ethernet Options Velocity Protocol IP Port Number Port number of the IP interface, 1 to 65535.
  • Page 145 Vertiv™ Liebert® iCOM™ Installer/User Guide E-mail Messaging Configuration Touch , then > BMS & Teamwork > IS-Unity   Setup > Configuration > Messaging > Email. 2. Adjust the settings, and touch Save. E-mail Settings E-mail From Address Sender’s e-mail address. In most cases this will be the e-mail address of the person to whom replies should be sent. For example, Support@company.com...
  • Page 146 Vertiv™ Liebert® iCOM™ Installer/User Guide SMTP Username Username of the e-mail account to use when e-mail SMTP authentication is enabled. SMTP Password Password for the e-mail account to use when e-mail SMTP authentication is enabled. Include IP Address in Message If checked, the IP Address of the agent card will be included in outgoing messages.
  • Page 147 Vertiv™ Liebert® iCOM™ Installer/User Guide SMS Messaging Configuration Touch , then > BMS & Teamwork > IS-Unity   Setup > Configuration > Messaging > SMS. 2. Adjust the settings, and touch Save. SMS Settings SMS From Address The sender’s SMS address. In most cases this will be the SMS address of the person to whom replies should be sent. For example, Support@company.com.
  • Page 148 Vertiv™ Liebert® iCOM™ Installer/User Guide SMTP Username Username of the SMS account to use when SMS SMTP authentication is enabled. SMTP Password Password for the SMS account to use when SMS SMTP authentication is enabled. Include IP Address in Message If True, the IP Address of the agent card will be included in outgoing messages.

  • Page 149: Bacnet Protocol Setup

    Vertiv™ Liebert® iCOM™ Installer/User Guide Messaging Test Tests the set up for e-mail and SMS messages. If the test fails, incorrect settings should be changed to ensure that proper notifications are sent if an event should occur. Touch , then > BMS & Teamwork > IS-Unity   Setup > Configuration > Messaging > Messaging Test.
  • Page 150 Vertiv™ Liebert® iCOM™ Installer/User Guide Device Object Instance Number The instance number (0-4194302) of the BACnet server's device object. Device Object Name The name of the BACnet server's device object. APDU Timeout The timeout in milliseconds between APDU retries (1-65535). APDU Retries The number of times to retransmit an APDU after the initial attempt (0-8).
  • Page 151 Vertiv™ Liebert® iCOM™ Installer/User Guide Configuring BACnet MSTP Protocol Touch , then > BMS & Teamwork > IS-Unity   Setup > Protocols > BACnet > BACnet IP. 2. Set the BACnet MSTP Node ID. • The Node ID defaults to 1, but must have a value from 0 to 127 that is unique among devices connected through the RS-485 interface.

  • Page 152: Modbus Protocol Setup

    Vertiv™ Liebert® iCOM™ Installer/User Guide 8.2.12 Modbus Protocol Setup Touch , then > BMS & Teamwork > IS-Unity   Setup > Protocols > Modbus. 2. Adjust the settings, and touch Save. 3. Configure the Modbus interface chosen. See Configuring Modbus TCP Protocol...
  • Page 153 Vertiv™ Liebert® iCOM™ Installer/User Guide Port The TCP port used by the Modbus server to listen for and respond to Modbus protocol requests based on Limit Network Access Type setting. Maximum Client Connection Count Displays the maximum client connection count. Configuring Modbus RTU Protocol...

  • Page 154: Snmp Protocol Setup

    Vertiv™ Liebert® iCOM™ Installer/User Guide 8.2.13 SNMP Protocol Setup SNMPv1/v2c and SNMPv3 are enabled by default. The protocols may be configured or their default values may be accepted. Authentication traps are not enabled by default. The default heartbeat trap interval is 24 hours. This can be disabled or the interval may be changed.
  • Page 155 Vertiv™ Liebert® iCOM™ Installer/User Guide Liebert® Global Products (LGP) MIB Enable or disable support for getting and setting data using the Liebert® Global Products MIB. LGP MIB Traps Enable or disable support for Liebert® Global Products MIB traps. NOTE: LGP traps will not be sent unless LGP MIB is enabled.
  • Page 156 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 8.4 SNMP Engine ID Generated Using Text Format Scheme Configuring SNMPv3 Users IS-Unity supports up to 20 SNMPv3 users. The top level is a list of all 20. Touch , then > BMS & Teamwork > IS-Unity   Setup > Protocols > SNMP > SNMPv3 Users, then one of the listed users.
  • Page 157 Vertiv™ Liebert® iCOM™ Installer/User Guide SNMPv3 Authentication Secret Pass phrase or password used for SNMPv3 Get request. This string can be composed of printable characters with the exception of colon, tab, double quote, and question mark. The entry must be from eight to 64 characters.

  • Page 158: Unity Status Readings

    Vertiv™ Liebert® iCOM™ Installer/User Guide SNMP Trap Port Port used by the target host for receiving notifications; default is 162. SNMP Trap Community String String identifying a secret known only by those hosts that want to be notified of device status changes.

  • Page 159: Unity Support Information

    Vertiv™ Liebert® iCOM™ Installer/User Guide 8.4 Unity Support Information Support displays information about IS-Unity for troubleshooting. > BMS & Teamwork > IS-Unity   Setup > Support. Touch , then 2. Adjust the settings, and touch Save. Support Folder Settings Agent Date and Time Date and time setting for the card.

  • Page 160: Configuring Active Networking Settings

    Vertiv™ Liebert® iCOM™ Installer/User Guide FDM Version The card’s FDM version; the FDM is a data model document that defines data supported by devices that use the Velocity Protocol. Product Sequence ID The card’s product sequence identifier. Device Assigned Label Displays the label assigned to the device.
  • Page 161 Vertiv™ Liebert® iCOM™ Installer/User Guide IPv6 Global Address Shows if DHCPv6 or Static address is presently being used. StateLess Address AutoConfiguration IPv6 SLAAC is assigned automatically from Router Advertisement, if “A” flag is set, combining Prefix with EUI-64 MAC. Link Local Presently used IPv6 Link Local Address.
  • Page 162 Vertiv™ Liebert® iCOM™ Installer/User Guide This page intentionally left blank 8 External Monitoring and Building Management Systems...

  • Page 163: Configuring Auxiliary Devices

    Vertiv™ Liebert® iCOM™ Installer/User Guide 9 Configuring Auxiliary Devices With Vertiv™ Liebert® iCOM™, you can manage and control many devices that work with your thermal-management unit(s). 9.1 Power Monitoring Up to six power meters may be connected to each cooling unit. Power meters are factory programmed to monitor individual components or whole cooling units.

  • Page 164: Fluid Temperature Monitoring

    2. Adjust the temperature offset, and touch Save. The fluid temperature sensor settings are saved. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 9.2.1 Fluid Sensor options Current Fluid Temperature Actual temperature reading.

  • Page 165: Configuring Analog Input Devices

    NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 2. Before you touch a specific analog input, the properties panel lists the inputs along with their configuration status: •...

  • Page 166: Wired Remote Sensor Setup Options

    Vertiv™ Liebert® iCOM™ Installer/User Guide 4. Touch Name, and use the keyboard to give the sensor a descriptive name. NOTE: This is the name displayed on the REMOTE SENSORS panel for non-service users. 5. Refer to the Wired Remote Sensor Sensor Property Options on the facing page to adjust the remaining settings, and touch Save.

  • Page 167: Wired Remote Sensor Sensor Property Options

    Vertiv™ Liebert® iCOM™ Installer/User Guide NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 9.4.2 Wired Remote Sensor Sensor Property Options Function Sets the function of the sensor when Unit Remote Sensors Mode is enabled.

  • Page 168: Supply Sensors

    The valve pulse and cooling filter timer can be adjusted to prevent oscillation around the supply setpoint and still allow for rapid cooling-capacity adjustments to compensate for heat load changes. Contact Vertiv™ technical support for adjustments. NOTE: Supply control air temperature sensors are required to use Optimized Aisle Teamwork (mode 3).

  • Page 169: Administering Firmware, Settings And Security

    10.1.1 Compatibility with Earlier Versions of Vertiv™ Liebert® iCOM™ Versions of Liebert® iCOM™ control firmware PA2.05.31R are incompatible with earlier firmware versions PA1.XX.XXXSTD. The firmware versions PA2.05.31R and later cannot communicate with earlier versions. The Vertiv™ Liebert® DSE and Vertiv™ Liebert® PDX/PCW will not operate with PA1.XX.XXXSTD installed.
  • Page 170 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 10.1 P76, S3 and DS25 LED on the Board Item Description P76 port DS25 LED S3 button Control Board Firmware Upgrade Options Lock for Upgrade When selected, the unit is locked for a firmware upgrade.

  • Page 171: Reverting To Firmware In Dormant Partition

    10.2 Backing Up and Restoring Control Board Settings Vertiv™ Liebert® iCOM™ settings may be saved to a local disk or USB drive, and the saved files may be imported to restore Liebert® iCOM™ if it is replaced or if a problem occurs and to transfer settings to another Liebert® iCOM™.

  • Page 172: Managing Access Permission And Passwords

    10.3 Managing Access Permission and Passwords NOTICE Risk of loss of access to Vertiv™ Liebert® iCOM™ can cause operational problems. When a password is changed, make sure you record the new password and inform authorized users. If problems arise, passwords can be reset by Vertiv Technical Support, visit https://www.vertiv.com/en-us/support/.

  • Page 173: Performing Diagnostics

    11.1 Cooling Unit Status LED Just below the Vertiv™ Liebert® iCOM™ touchscreen display is an LED that changes color and flashes on and off to indicate cooling unit status. See Table 11.1 below , for the LED colors and meanings.

  • Page 174: Disabling Diagnostics Manual Mode

    , for descriptions of diagnostic options. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11.3.1 Diagnostics—Evaporator Fan Options Analog Output 1 –...

  • Page 175: Diagnosing Compressor Circuit Issues

    , for descriptions of diagnostic options. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11.4.1 Diagnostics—Compressor Circuit Options Compressor Capacity Enables/disables compressor capacity during manual/diagnostics mode.

  • Page 176: Resetting High Pressure Alarm Code

    Vertiv™ Liebert® iCOM™ Installer/User Guide Liquid Line Solenoid Valve Enables/disables the valve during manual/diagnostics mode. Low Pressure Alarm Code Code of low-pressure alarm. To address the alarm condition, see Resetting Low Pressure Alarm Code below . • 0: Okay. • Non-zero: Low suction pressure condition.

  • Page 177: Resetting High Temperature Alarm Counter

    NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11.5.1 Diagnostics—Electronic Expansion Valve Options Current SH Setpoint Setpoint for superheat.

  • Page 178: Resetting Eev Battery Failure Counter

    , for descriptions of diagnostic options. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11.6.1 Diagnostics—Vertiv™ Liebert® EconoPhase Options Pump Board N Firmware Firmware version of the pump control board, where N is the pump number.

  • Page 179: Diagnosing Reheat Issues

    , for descriptions of diagnostic options. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11.7.1 Diagnostics—Reheat Options Analog Output 1 –...

  • Page 180: Diagnostics-Humidifier Options

    NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11 Performing Diagnostics...

  • Page 181: Diagnostics-Digital Output Options

    , for descriptions of diagnostic options. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11.11.1 Diagnostics—Customer Input Options Input N Status and description of customer-input sensors.

  • Page 182: Diagnosing Water Leak Detection Issues

    , for descriptions of diagnostic options. NOTE: Depending on the type of thermal management unit, included components, and control settings of your system, all of the options listed may not be available on your Vertiv™ Liebert® iCOM™ display. 11.12.1 Diagnostics—Water Leak Detection Options LWD Value Current percentage of resistance measured from the leakage water detection sensor.

  • Page 183: Customizing The Vertiv™ Liebert® Icom™ Display

    Selects or disables the audible alarm notification. See Enabling the Audible Alarm Notification on page 92 . Allow System On/Off Enables/disables powering on/off the entire system of networked units from the Vertiv™ Liebert® iCOM™ display. Backlight Brightness Selects the brightness of the display back light. Inactivity Timer Time to elapse before display locks and dims.

  • Page 184: Customizing Main Display Views

    12.2 Customizing Main Display Views The default Vertiv™ Liebert® iCOM™ display view is essentially a layout of two panels, one with status content and the other with alarms content. You can create custom display views by adding, changing, moving, and resizing the content objects.

  • Page 185: Adding And Adjusting Content

    Status dial. You can select the sensor readings displayed in the center of the status dial when you touch to scroll through the readings. Setpoint Displays the current reading of a connected sensor, for example: return temperature at 72°F. Readout 12 Customizing the Vertiv™ Liebert® iCOM™ Display...

  • Page 186: Removing Content

    The CUSTOM LABELS panel opens. The labels are divided into categories that represent the names of menus, sub-menus, and screen panels. 3. Locate the category that contains the label(s) to customize that you determined in step 1 , and touch to expand 12 Customizing the Vertiv™ Liebert® iCOM™ Display...
  • Page 187 Figure 12.2 Custom Text for the Analog Input Properties Labels Figure 12.3 Customized Label Text on Analog Input Properties Panel Item Description Former Parameter heading is now Input. Former Value heading is now Configuration. 12 Customizing the Vertiv™ Liebert® iCOM™ Display...

  • Page 188: Exporting, Importing And Customizing Labels Using A Text Editor

    Custom Labels panel and touch Import. 8. Locate the updated text file in the drop-down list, and touch Import. The dialog closes and the customizations display on the menus and panels that you updated. 12 Customizing the Vertiv™ Liebert® iCOM™ Display...

  • Page 189: Vertiv™ Liebert® Icom™ Hardware Installation

    The return temperature/humidity sensor is located in the unit return air section and is supplied on all Liebert® systems with Vertiv™ Liebert® iCOM™ controls. The assembly connects to plug connection P67 on the Liebert® iCOM™ internal control board on all Vertiv™ Liebert® CRV systems.
  • Page 190 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 13.1 Standard Return Air Sensor 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 191: Jumper P3 Canbus Termination

    CANbus device loop, the jumper must be terminated or shunted across pins #2 and #3 (default position). If the sensor is a middle node in the CANbus device loop, the jumper must be unterminated or shunted across pins #1 and #2. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 192: Installing Wired Remote Sensors

    Up to 10 remote sensor modules, installed in the monitored racks and connected to the cooling unit, provide control and reference input to Vertiv™ Liebert® iCOM and building-management systems. Using remote, rack sensors combats cooling problems related to recirculation air, uneven rack loading, and air distribution.
  • Page 193 NOTE: Use the non-conductive DIP switch tool (included) or a similar tool to set switches. Do not insert any metal object into the sensor case. Figure 13.4 DIP Switch Opening/DIP Switches Inside of 2T Sensor Item Description Hole in sensor housing Cover removed 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 194: Terminating The Last Sensor On The Canbus Link

    Figure 13.6 on the facing page , shows an example CANbus arrangement. NOTE: To add sensors, unterminate final sensor, add sensors to the chain, and terminate the new final sensor. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...
  • Page 195 3. Remove the black jumper from pins 1 and 2 on the P3 pin connector, and install it on pins 2 and 3 as shown in Figure 13.7 on the next page . 4. Replace the sensor cover. The 2T sensor is terminated in the CANbus link. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...
  • Page 196 Vertiv™ Liebert® iCOM™ Installer/User Guide Figure 13.7 Termination Jumper on 2T Circuit Board Item Description Position 1 (P3 jumper) Position 2 (P3 jumper) Position 3 (P3 jumper) Unterminated Terminated Rear of sensor, cover removed P3 termination jumper 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 197: Installing 2T Sensors In The Racks To Monitor

    Teamwork mode. Figure 13.8 Interlacing Sensor Placement item      Description Item      Description Unit 1 Cold aisle (front of racks) Unit 2 Hot aisle (rear of racks) Unit 3 Supply (discharge) temperature sensor Unit 4 Power distribution unit 13 Vertiv™ Liebert® iCOM™ Hardware Installation...
  • Page 198 To cable entry in cooling unit First probe, 12 in. (305 mm) from top Second probe, in approximate center of rack and in front of the equipment 2T sensor with label visible Hot aisle Cold aisle 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 199: Connect The Canbus Cable And Ground

    For cable up to 150 ft. (45-m) long, no special considerations are needed. • Cable 150 ft. (45 m) to 300 ft. (91 m) require a CANbus isolator. • For cable longer than 300 ft. (91 m), contact the factory. • The CANbus cable network requires a ground wire. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...
  • Page 200 Avoid using excess cable between sensors. • Make sure that cables have the correct pin out. Mismatched pins at the RJ12 connection will damage the CAN device. Figure 13.10 CANbus and Ground Connection on 2T Sensor 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 201: Installing A Fluid Temperature Sensor

    Circuit 1 and 2 fluid sensors are dual-purpose CANbus IDs in firmware. These sensors might also be used for monitoring supply temperature. Before installing fluid temperature sensors, determine whether or not the supply-temperature 2T sensors are in use. Adding duplicate sensors will cause sensor communication loss. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...
  • Page 202 If inlet and outlet temperature readings in Liebert® iCOM™ are reversed based on the field measurements, use Fluid Sensor 1/2 Placement to swap the readings. 5. Touch Save. The fluid temperature sensor settings are saved. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 203: Installing Supply Control Sensors

    5 ft. to 15 ft. (1.5 m to 4.5 m) from the cooling unit, Figure 13.14 below . NOTE: A 50 ft. (15 m) extension cable is available from Vertiv™ if the sensor must be more than 15 ft. (4.5 m) from the Vertiv™ Liebert® iCOM™ unit.

  • Page 204: Installing Aggregated Supply Air Temperature Sensors

    13.5 Installing Analog Input Devices External sensors and analog devices may be connected to Vertiv™ Liebert® iCOM™ using an electrical connection on the iCOM™ control board to a required, factory-supplied plug, harness and terminal strip. (Contact Vertiv™ technical support for parts.)

  • Page 205: Installing The U2U Network

    Before you begin, refer to Preparing for U2U Group Set Up on page 97 , and Configuring U2U Network Settings on page 98 . – or – Contact Vertiv™ Technical Support at 1-800-543-2778, opt. 5 or https://www.vertiv.com/en-us/support/. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...

  • Page 206: Wiring Cooling Units Without Wall Mount Displays

    Isolated from other network traffic/non-Liebert Thermal equipment. • Switches connecting the units must be dedicated to Vertiv™ Liebert® iCOM™ communication only. • Do not connect the U2U network to the building or IT network. If the U2U network experiences a failure, the cooling units continue to operate independently.
  • Page 207 To connect two cooling units with a touchscreen, a network switch is not needed. • Connect an Ethernet cable to the P64 connector on each Vertiv™ Liebert® iCOM™ control board as shown in Figure 13.15 below . Figure 13.15 Connection Between Only Two Cooling Units—No Network Switch Needed...
  • Page 208 • On each unit, connect one end of an Ethernet cable to the P64 connector on each Vertiv™ Liebert® iCOM™ control board, and the other end to the U2U network switch, see Figure 13.16 below . Figure 13.16 Connecting Two or More Units with a Network Switch...

  • Page 209: Wiring Cooling Units With Wall Mount Displays

    On each wall mount display (32 maximum), connect one plug of a straight through Ethernet cable to port P64 on the rear of the display. 2. Connect the other end to the U2U network switch. 13 Vertiv™ Liebert® iCOM™ Hardware Installation...
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  • Page 211: Appendices

    Vertiv™ Liebert® iCOM™ Installer/User Guide Appendices Appendix A: Technical Support and Contacts A.1 Technical Support/Service in the United States Vertiv Group Corporation 24x7 dispatch of technicians for all products. 1-800-543-2378 Liebert Thermal Management Products 1-800-543-2378 Liebert Channel Products 1-800-222-5877 Liebert AC and DC Power Products 1-800-543-2378 A.2 Locations...
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  • Page 213: Appendix B: Setpoints And Alarm Settings By Line Id

    Appendix B: Setpoints and Alarm Settings by Line ID These tables list the parameters by the line identification assignments employed before the Vertiv™ Liebert® iCOM™ touchscreen. The tables include range/options of the parameter, the factory-default setting, and a description of the parameter function.
  • Page 214 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.1 Service Menu Setpoints by Line ID (continued) Line Parameter Default Range Description Name Setting Temperature S107.1 0 - 900 sec 0 sec Derivative Time Sets the temperature and humidity proportional bands automatically based on the type of unit when this parameter is set to YES and if teamwork modes are selected.
  • Page 215 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.1 Service Menu Setpoints by Line ID (continued) Line Parameter Default Range Description Name Setting Defines which humidity sensor the humidity setpoint is compared with. The return sensor is equipped with a Temp/Hum sensor and can calculate the dew point based on...
  • Page 216 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.1 Service Menu Setpoints by Line ID (continued) Line Parameter Default Range Description Name Setting Integration Time stable control. Modifies the reaction of the fan speed when fan speed is being dictated by the Call for Cooling.
  • Page 217 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Sensor A Alarms 10 - 9999 sec 90 sec Init Delay 34 - 210 °F Sensor A Low 55 °F Temperature Alarm 1.0 - 99.0 °C...
  • Page 218 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting 34 - 210 °F High Dew Point 59 °F 1.0 - 99.0 °C S216 Sets the high/low dew point threshold.
  • Page 219 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting 0 = Smoke 1 = Water Alarm 2 = C PMP Alarm 3 = Flow Alarm 4 = Stdby G Pump...
  • Page 220 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Airflow Delay Event Delay Time 10 - 9999 sec 30 sec (sec) Event Enabled Disabled Enabled Enabled Event: LOSS OF...
  • Page 221 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event: LOW TEMP MESSAGE WARNING ALARM WARNING SENSOR A Event Delay Time 10 - 9999 sec 30 sec (sec)
  • Page 222 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Delay Time ‒ ‒ (sec) S254 Event Enabled Disabled Enabled Enabled Circuit 2 low pressure. Event: CIRCUIT 2...
  • Page 223 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Enabled Disabled Enabled Enabled Event: SMOKE MESSAGE WARNING ALARM ALARM DETECTED Event Delay Time 10 - 9999 sec...
  • Page 224 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting UNIT1 Event Delay Time ‒ ‒ (sec) S271 Event Enabled Disabled Enabled Enabled Unit X disconnected. Event: UNIT 01...
  • Page 225 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event: HIGH MESSAGE WARNING ALARM ALARM TEMPERATURE Event Delay Time 10 - 9999 sec 10 sec (sec) S281 Event Enabled...
  • Page 226 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting (20 digits) CUSTOMER S27C Edit Cust Input 2 Edit customer input 2 text, INPUT 2 &* / . + - _ : @ \...
  • Page 227 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Enabled Disabled Enabled Enabled Event: EC FAN MESSAGE WARNING ALARM ALARM FAULT Event Delay Time 10 - 9999 sec...
  • Page 228 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Enabled Disabled Enabled Enabled Event: HI DEW MESSAGE WARNING ALARM WARNING POINT SENSOR A Event Delay Time 10 - 9999 sec...
  • Page 229 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting STATIC PRESSURE Event Delay Time 10 - 9999 sec 120 sec (sec) S2B7 Event Enabled Disabled Enabled Disabled High static pressure.
  • Page 230 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting 3 SENS FAIL Event Delay Time 10 - 9999 sec 120 sec (sec) S2C6 Event Enabled Disabled Enabled Disabled Static pressure 4 sensor failure.
  • Page 231 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event: COMP 2A MESSAGE WARNING ALARM ALARM HIGH TEMP Event Delay Time 10 - 9999 sec 10 sec (sec)
  • Page 232 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting ‒ ‒ ‒ Event Enabled Disabled Enabled Enabled S2E8 C2 freeze protection. Event: C2 FREEZE MESSAGE WARNING ALARM ALARM...
  • Page 233 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event: POWER 4 MESSAGE WARNING ALARM ALARM PHASE LOSS Phase Loss MB05 0 = No 1 (Yes) shuts unit down...
  • Page 234 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Delay Time 1 - 9999 sec 10 sec (sec) Event Enabled DisabledEnabled Enabled XDU pump flow fail 1.
  • Page 235 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.2 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Enabled DisabledEnabled Enabled Event: RETURN FLUID SENSOR MESSAGEWARNINGALARM ALARM FAILURE Event Delay Time 1 - 9999 sec 10 sec...
  • Page 236 Vertiv™ Liebert® iCOM™ Installer/User Guide Table B.3 Service Menu Cascade Parameters by Line ID (continued) Line Parameter Default Range Description Name Setting Cascaded Units This is the amount of time that must surpass before the normal unit control is used once a...

  • Page 237: Appendix C: Communication Protocol

    Vertiv™ Liebert® iCOM™ Installer/User Guide Appendix C: Communication Protocol Table C.1 Communication Protocols Communication Protocol (A though H) Third-Party Protocols (B through H) LIFE Communication Sensor Services HTTP/ Velocity SNMP BACnet MODBUS Card Support Email YDN23 Support HTTPS Protocol v1, v2, v3...
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  • Page 239 Vertiv™ Liebert® iCOM™ Installer/User Guide...
  • Page 240 Vertiv.com | Vertiv Headquarters, 505 N. Cleveland Ave., Westerville, OH 43082, USA © 2024 Vertiv Group Corp. All rights reserved. Vertiv™ and the Vertiv logo are trademarks or registered trademarks of Vertiv Group Corp. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness here, Vertiv Group Corp.

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