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Vertiv Liebert iCOM Installer/User Manual

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Liebert® iCOM™
Installer/User Guide
Intelligent Communication and Monitoring for Liebert CRV

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Summary of Contents for Vertiv Liebert iCOM

  • Page 1 Liebert® Liebert® iCOM™ Installer/User Guide Intelligent Communication and Monitoring for Liebert CRV...
  • 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

    2.6.1 To View the Teamwork Details 3 Service Operation 3.1 Editing Setpoints for the Cooling Unit 3.1.1 Setpoints Options 3.1.2 Configuring Temperature Setpoints 3.1.3 Temperature Control—Temperature Setpoints and Cooling Operation 3.1.4 Compressor Control by Cooling Requirement 3.1.5 Configuring High/Low Limit Setpoints Vertiv | Liebert® iCOM Installer/User Guide |...
  • Page 4 6.1.1 To Set Up Team Work 6.1.2 No Teamwork—Multiple Zones in One Room 6.1.3 Teamwork Mode 1—Parallel Operation 6.1.4 Teamwork Mode 2—Independent Operation 6.1.5 Teamwork Mode 3—Optimized Aisle Operation 6.2 Assigning Cooling Units to Standby (Lead/Lag) Vertiv | Liebert® iCOM Installer/User Guide |...
  • Page 5 10.3 Diagnosing Evaporator Fan Issues 10.3.1 Diagnostics—Evaporator Fan Options 10.4 Diagnosing Compressor Circuit Issues 10.4.1 Diagnostics—Compressor Circuit Options 10.4.2 Resetting High Pressure Alarm Code 10.4.3 Resetting Low Pressure Alarm Code 10.4.4 Resetting High Temperature Alarm Counter Vertiv | Liebert® iCOM Installer/User Guide |...
  • Page 6 11.2.4 Removing Content 11.3 Customizing Parameter and Field Labels 11.3.1 Exporting, Importing and Customizing Labels Using a Text Editor 12 Liebert iCOM Hardware Installation 12.1 Return Air Temperature/Humidity Sensor 12.1.1 P67: Return Air Temperature—Humidity Board 12.1.2 Jumper P3 CANbus Termination 12.2 Installing Wired Remote Sensors...

  • Page 7: Getting Started With Icom

    1 GETTING STARTED WITH iCOM™ The Liebert® Liebert® iCOM™ offers the highest capability for unit control, communication, and monitoring of Liebert thermal management units. It is available factory installed on new units and assemblies or may be retrofitted in existing units.
  • Page 8 Adding and Adjusting Content on page 93 Unit Identification. You may customize the unit name up to 6 characters/numbers. Search icon. Open the keyboard to search for controls and setting locations. See Searching on page 9. Date/Time. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 9: Touchscreen Status Dial

    Table 1.1 Main Display Controls and Options (continued) Item Description Lock/Unlock icon. Indicates whether or not the user and service options are accessible. • Locked icon: display is read-only • Unlocked icon: user or service is logged-in and options are accessible. Powering On the iCOM and Logging In/Unlocking Controls on page 6.
  • Page 10 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. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 11: Dial Background Color Status Indication

    1.2.1 Dial Background Color Status Indication The background color of the dial indicates whether or not the unit is powered on, and it also responds to threshold settings of the control sensor reading. See Figure 1.3 below. Table 1.3 below describes the background color displayed if the selected sensor reading has threshold limits set.

  • Page 12: Control Header

    . Depending on the password entered and your level of access, the User and/or Service options, and view-only access to the Advanced menu are accessible. See Accessing the User, Service, and Advanced Menus on page 10. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 13: Powering On The Thermal Management Unit

    1.3.2 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 iCOM. The cooling unit operates only when all switches are closed.

  • Page 14: 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. RESTART Not yet operational after a power cycle because the restart delay timer is active.

  • Page 15: Setting The Date And Time

    4. Touch your finger to the screen and hold it there while the display boots. 5. When the LED begins flashing, remove your finger. Cross hairs appear in each corner and in the center of the display. 6. Touch the center of each cross hair ONCE ONLY. (Touching more than once interrupts the calibration and you must start over at step 3.) Cross hairs disappear and the display reboots when calibration is complete.

  • Page 16: About Icom Version

    Opens the Display Options menu: • Customize Layout—see Customizing Main Display Views on page 92. • Custom Labels—see Customizing Parameter and Field Labels on page 94. • Date & Time—see Setting the Date and Time on the previous page. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 17: Service Menu

    Total Run Hours Opens the RUN HOURS panel. See Managing Run Hours for a Component on page 18. About Opens the ABOUT panel. See About iCOM Version on the previous page. Turn Unit On/Off Depending on unit’s status, open the TURN UNIT ON or TURN UNIT OFF dialog. See Powering On the Thermal Management Unit on page 7, or...
  • Page 18 Turn Unit On/Off Depending on unit’s status, open the TURN UNIT ON or TURN UNIT OFF dialog. See Powering On the Thermal Management Unit on page 7, or Powering Off the Thermal Management Unit on page 8. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 19: User Operation

    2 USER OPERATION 2.1 Viewing and Editing Setpoints for the Cooling Unit NOTE: User level access allows viewing and editing only a limited number of setpoints. To view or adjust all setpoints, you must have service level access. See Editing Setpoints for the Cooling Unit on page 19.

  • Page 20: Editing Temperature Setpoints

    Remote Sensor: Temperature control is based on the temperature reading(s) from wired remote sensor(s). See Wired Remote Sensors on page 73. • Return Sensor: Temperature control is based on maintaining the temperature of the air returning to the cooling unit. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 21: Viewing Unit Alarms

    Temperature Setpoint Act Read-only display of adjusted temperature setpoint when the following is active: • Customer input setpoint (remote alarm device). Temperature Setpoint Temperature that the unit maintains via cooling. Temperature Setpoint 2 Alternate setpoint activated by customer input (remote alarm device). When customer input connection is 2nd Setpoint, this value becomes the active temperature setpoint.

  • Page 22: Silencing An Audible Alarm

    • If a critical event must be manually reset, the acknowledged items are listed with a Reset All button on the ALARMS panel. 2. Touch Reset All to manually reset the condition. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 23: Viewing The Event Log

    Table 2.2 Events That Clear without Acknowledgment Network Failure Description The iCOM I/O board assigned as U2U address number XX (2 up to 32) has lost communication with the group. UNIT XX DISCONNECTED Make sure all units are powered on at the disconnect. Check cable connections and network settings where applicable.

  • Page 24: Managing Run Hours For A Component

    NOTE: You must be logged in with the Service PIN to edit teamwork mode. See Powering On the iCOM and Logging In/Unlocking Controls on page 6. Figure 2.1 Teamwork Icons Item Description No teamwork. Mode 1 - Parallel teamwork Mode 2 - Independent teamwork Mode 3 - Optimized aisle teamwork Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 25: Service Operation

    3 SERVICE OPERATION 3.1 Editing Setpoints for the Cooling Unit Setpoints are the means by which the cooling unit operation is controlled. NOTE: Depending on the type of thermal managment unit, included components, and control settings of your system, all of the options listed may not be available on your iCOM display. 3.1.1 Setpoints Options Fan Control Configuring Fan Setpoints...
  • Page 26 Adjusts the activation point of cooling components based on deviation from setpoint by placing half of the selected value on each side of the temperature control setpoint. A smaller number causes faster reaction to temperature changes. NOTE: Setting this too low causes short cycling of compressors. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 27: Temperature Control-Temperature Setpoints And Cooling Operation

    Temperature Setpoint Temperature that the unit maintains via cooling. Temperature Setpoint 2 Alternate setpoint activated by customer input (remote alarm device). When customer input connection is 2nd Setpoint, this value becomes the active temperature setpoint. Temperature Setpoint Act Read-only display of adjusted temperature setpoint. 3.1.3 Temperature Control—Temperature Setpoints and Cooling Operation Temperature control refers to the cooling unit’s response to programmed setpoints and sensed room/load conditions.
  • Page 28 Like the proportional band, the is also divided evenly on each side of the setpoint: • 0% cooling capacity is required from 69° to 71°. • At 71°, the system operates according to the temperature proportional band. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 29 Figure 3.2 Temperature Control with a Deadband Description ½ of proportional band. ½ of proportional band. Deadband. Considerations when Using PI Temperature Control Several factors, such as room heat load, external heat gains, and component specific performance can affect the PI control loop.

  • Page 30: Compressor Control By Cooling Requirement

    In Figure 3.3 below, the compressor starts at 75° when the cooling requirement is 100% and continues to operate until 71° is reached when cooling requirement is 0%. Figure 3.3 Compressor Control—One Step Capacity Description Single scroll compressor. ½ of proportional band. Deadband. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 31 One Scroll Compressor with Unloader • 70° setpoint • 8° proportional band • 2° deadband In Figure 3.4 below. the compressor starts unloaded at 73° when the cooling requirement is 50%. At 75° when the cooling requirement is 100%, the compressor operates loaded until 73° is reached when cooling requirement is 50% and it returns to unloaded operation.
  • Page 32 • This results in 66% cooling. Essentially, the compressor is partially loaded. Figure 3.5 Digital Scroll Compressor Operation to Provide 66% Cooling Capacity Description Solenoid de-energized. Solenoid energized. Percent loaded. 15 second capacity modulation cycle. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 33 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 Winter Start Delay.
  • Page 34 Figure 3.6 Compressor Control—Single Digital Scroll Compressor Description Digital-scroll begins operation Digital-scroll operation at 100% ½ of proportional band Deadband Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 35: Configuring High/Low Limit Setpoints

    3.1.5 Configuring High/Low Limit Setpoints Setting dehumidification low limits avoids over cooling a room during dehumidification. When a low limit is reached, the cooling source used for dehumidification is disabled. Dehumidification resumes when air temperature rises above the low limit reset value. NOTE: Dehumidification lockout can occur with improper low limit settings.

  • Page 36: Configuring Humidity Setpoints

    PI: Percent of humidification calculated using proportional and integral terms. Humidity Deadband Widens the setpoint to prevent small changes in humidity from cycling components and also maximizes component life. When humidity is within the deadband, no humidification/dehumidification occurs. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 37: Humidity Control

    Humidity Integration Time Adjusts unit capacity based on the length of time the humidity has deviated from the setpoint. Works in conjunction with the proportional band to maintain tight setpoint control. Humidity Proportional Band Adjusts the activation point of humidifier/dehumidification components based on deviation from setpoint by placing half of the selected value on each side of the humidity-control setpoint.
  • Page 38 (Advanced setting: A557) and 100% depending upon required dehumidifying capacity. The display always shows 100% dehumidification. Figure 3.7 Humidity Control without a Deadband Description ½ of proportional band. ½ of proportional band. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 39: Configuring Fan Setpoints

    Humidity Deadband A deadband widens the setpoint to prevent small changes in humidity from activating humidifiers, compressors and valves and cause excessive component cycling. Figure 3.8 below, illustrates humidity control using: • 50% setpoint • 8% proportional band • 2% deadband Like the proportional band, the deadband is also divided evenly on each side of the setpoint.

  • Page 40: 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 iCOM. • Remotely using a Liebert® IntelliSlot® card. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 41: Automatic Fan Speed Control

    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 42: Scheduling Condenser And Cooling Unit Tasks

    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. Max Speed in Low Noise Mode Sets the maximum speed for the condenser fan during low noise operation. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 43: Scheduling Condenser Fan Reversal

    Max Speed in Normal Mode Sets the maximum speed for the condenser fan during normal or high efficiency operation. Noise Reduction Enable/disable noise reduction. When checked, the schedule is run. When unchecked, the scheduling parameters are ignored. Status Indicates if low noise operation is active or inactive. Whole Day Selects whole days for which noise-reduction operation is available for the condenser fan.

  • Page 44: Setting General Thermal Management Unit Options

    When enabled, the cooling unit returns to the status at which it was operating when input power returns after a power failure. (ON if it was powered on and OFF if it was powered off before the failure.) See Automatic Restart after Power Failure on page 40. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 45 Display Off Enabled On this cooling unit, sets whether or not the unit powers on/off when the on/off button on the iCOM display is used. • No: On/off requests via the display are ignored. • Yes: Unit powers on/off when requested via the display. EEV Alarm Board Sets the events sent to the alarm board as: •...

  • Page 46: Automatic Restart After Power Failure

    Maximum fan speed when dehumidification is in progress, assisting with the dehumidification process. Fan Back Draft Mode Enables/disables fan operation in back draft mode. Fan Speed at Unit Start Speed at which the fans run on unit start up. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 47 Fan Speed at Unit Start Timer Length of time fans run at the speed selected in fan speed at unit start. Fan Speed Filter at 0% Decreases the rate at which the fan speed changes when close to or at the temperature setpoint to avoid undershooting the setpoint.

  • Page 48: Setting Compressor Options

    NOTE: The factory default setting is a three minute delay for air cooled units and a zero to one minute delay for water cooled units. Touch , then > Options Setup > Compressor Settings. 2. Use the Winter Start Delay slider to select the number of minutes for the delay, and touch Save. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 49: Setting Reheat Options

    Adjusting Ball Valve Pressure Offset NOTE: Only a properly trained and qualified technician should modify the motorized ball valve setting. The number of times the valve opens and closes is adjusted based on added pressure offset. Touch , then > Options Setup > Compressor Settings. 2.

  • Page 50: Reheat Control

    Reheat is controlled by dividing the heating half of the temperature proportional band (below the setpoint) by the number of stages. Figure 3.9 on the facing page, illustrates electric reheat operation with 3 stages as follows: • 70° setpoint • 8° proportional band • 2° deadband • Three stage reheat Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 51 The proportional band is divided evenly on each side of the setpoint. The deaband is divided evenly on each side of the setpoint. The temperature proportional band below the setpoint is divided into thirds, one for each stage. • From 70° to 69°, 0% heating is required. •...

  • Page 52: Setting Humidifier Options

    , then > Options Setup > Dehumidification Settings. The DEHUMIDIFICATION SETTINGS panel displays. 2. Make adjustments as needed and click Save. The option settings are updated. • Touch Cancel to discard the changes without saving. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 53: Setting Water Leak Detector 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 iCOM display. Dehumidification Settings Options Capacity Increase on Dehumidification Capacity increase permitted during dehumidification. Dehumidification Enabled Enables/disables whether or not the compressor/valve is used for dehumidification when humidity is above the setpoint.
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  • Page 55: Managing Events: Alarms, Warnings, And Messages

    4 MANAGING EVENTS: ALARMS, WARNINGS, AND MESSAGES Events are notifications of operating status for the cooling unit, its components, and auxiliary devices. All events are recorded in the Event Log, and alarm and warning events are also displayed on the Alarms panel (See Viewing the Event on page 17, and Viewing Unit Alarms...

  • Page 56: Enabling Events And Editing Event Settings

    NOTE: To edit the event type and notification, see Selecting Event Type and Setting Alarm/Warning Notification on the facing page. 3. Use the EDIT panel to adjust the settings for the selected event or group of events. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 57: Selecting Event Type And Setting Alarm/Warning Notification

    4.3 Selecting Event Type and Setting Alarm/Warning Notification Setting notification delays and disabling visual notification prevents nuisance notifications. Customize to notify of critical events on your cooling system. NOTE: If the event includes a safety function, such as high pressure, low pressure, main fan overload, etc., the safety function executes regardless of event type or notification setting.
  • Page 58 Unit On HCB Not Connected No Connection with Unit1 Unit 07 Disconnected Unit Shut Down Heat Rej SPD No Power Unit 08 Disconnected Water Under Floor Heat Rej VFD On-Off Key Disabled Unit 09 Disconnected Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 59 Table 4.3 Events Specific to Liebert MC Condenser Event Description • The Liebert iCOM board cannot establish communication with the Liebert MC condenser board for 10 seconds consecutively. • Alarm notification displayed for the corresponding circuit. CAN GC 1 or 2 •...

  • Page 60: Enabling The Audible Alarm Notification

    In some cases, two additional, optional customer input events are available. See Setting Up Customer Input Events on the facing page. Remote alarm devices and customer input notifications are set in the same way as other events. See Selecting Event Type and Setting Alarm/Warning Notification on page 51. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 61: Setting Up Customer Input Events

    4.5.1 Setting Up Customer Input Events Input devices must be wired to Terminal 24 through a dry contact to locations 50, 51, 55 and 56 for alarms 1 through 4, respectively (For the terminal location, refer to the cooling unit electrical schematic and installation manual). Table 4.4 below, maps the customer input to the RAD.
  • Page 62 Event + Activates COND PUMP-HIGH WATER event and locks-out the humidifier. Alarm L C PMP Event + Activates COND PUMP-HIGH WATER event and shuts-down the cooling unit. Alarm SD POWER A Event only. POWER B Event only. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 63: Unit To Unit (U2U) Networking

    5 UNIT TO UNIT (U2U) NETWORKING iCOM controlled thermal management units connected in an Ethernet unit to unit (U2U) network are able to efficiently cool and control humidity in the conditioned space by exchanging data in several modes of operation. U2U networking is required to set up and control the following operating features: •...

  • Page 64: Configuring U2U Network Settings

    NOTE: Depending on the changes made, the Save button updates to indicate the components that need rebooted or restarted. If the control board reboots, the cooling unit suspends operation for 60 seconds, then resumes operating. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 65 U2U Display and 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 within the cooling unit, as follows: •...

  • Page 66: Troubleshooting Network Settings Issues

    The button indicates the number of issues and changes color when a problem exists, see Table 5.1 below. Table 5.1 Issues Button Status Colors Color Description Green No problems. Number of issues is zero. Problem(s) detected. Number of issues displays. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 67: Modifying U2U Network Settings

    To View Network Issues When an issue is indicated, touch the Issues button on the U2U NETWORK SETTINGS panel. The ISSUES dialog opens. 2. Note the problems and Close the dialog, then address the issue: • Touch the setting to correct. The on screen keyboard opens.
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  • Page 69: Teamwork, Standby, And Rotation For Cooling Units

    6 TEAMWORK, STANDBY, AND ROTATION FOR COOLING UNITS iCOM U2U communication via private network and additional hardware (see Unit to Unit (U2U) Networking on page 57) allows the following operating features for the cooling units: • Teamwork • Standby (Rotation) • Cascade 6.1 Teamwork Modes When 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 chosen and its application.
  • Page 70 Number of Connected Units Number of units connected in the group if U2U networked. Start Next Unit at SYS Fan Speed Fan speed at which the next cascaded unit is powered on. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 71: No Teamwork-Multiple Zones In One Room

    Stop Next Unit SYS Fan Speed Fan speed at which the next cascaded unit is powered off. Unit power off may be delayed by Cascaded Units Off Delay. Teamwork is Based On Select the way the sensor readings from each cooling unit in the group are used to control temperature and humidity. Options are: •...

  • Page 72: Teamwork Mode 3-Optimized Aisle Operation

    2. Touch Standby. The STANDBY CONTROL panel displays. 3. Adjust the settings, then touch Save. • Touch Cancel to discard the changes. Standby Options High Temperature Threshold Temperature at which all standby units are activated. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 73: Setting A Rotation Schedule

    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. Start All Standby Units by High Temperature When enabled, all units are activated to cool when a high temperature alarm occurs.

  • Page 74: Manually Rotating The Operating And Standby Units

    > BMS & Teamwork Setup > Teamwork / Standby. The TEAMWORK/STANDBY panel opens. 3. Touch Unit Rotation. The UNIT ROTATION CONTROL panel displays. 4. Touch Rotate Now, then touch Save. The operating and standby units are rotated. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 75: External Monitoring And Building Management Systems

    7.1.1 Configuring BMS Communication with IntelliSlot Card Modbus, BACnet, SNMP, SMS and HTTP communication cannot be configured via iCOM. To set up third-party protocols, refer to the appropriate Liebert® IntelliSlot Card user manual avalable at https://www.Vertiv.com/en-us/support/. NOTICE Risk of loss of communication with Liebert® IntelliSlot cards. Can cause operational problems.

  • Page 76: Setup Communication With A Card

    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 Protocols used for communication with BMS. Options are: •...
  • Page 77 Fan Control Sensor Currently selected fan control sensor. Must be set to Manual for BMS control. See Configuring Fan Setpoints page 33. Handshake Sets time period, in minutes, in which communication between the BMS and iCOM must occur. Maximum Fan Speed Current fan speed setting (set via fan setpoints or by BMS).
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  • Page 79: Configuring Auxiliary Devices

    8 CONFIGURING AUXILIARY DEVICES With iCOM, you can manage and control many devices that work with your thermal management unit(s). 8.1 Fluid Temperature Monitoring A fluid sensor may be connected the supply inlet pipe to monitor local and remote fluid temperature differential. Touch , then >...

  • Page 80: Wired Remote Sensor Set Up Options

    When Unit Remote Sensors Mode is Average, selects the number of sensors used to calculate the average temperature. • If the number selected is smaller than the number of REM Sensors set to Control, only the highest readings are used for the calculation. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 81: Wired Remote Sensor-Sensor Property 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 iCOM display. 8.2.2 Wired Remote Sensor—Sensor Property Options Function Sets the function of the sensor when Unit Remote Sensors Mode is enabled. •...

  • Page 82: 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 Optimize Aisle Teamwork (mode 3).

  • Page 83: Administering Firmware, Settings, And Security

    The CONTROL BOARD UPGRADE panel shows the firmware version of the control board of the cooling unit. It also includes settings to use while performing the upgrade. NOTE: Only personnel who have completed Vertiv training should perform a control-board update. The iCOM Service Tool (iST) is required to update control board firmware. Contact technical support at 1-800-543-2778 for information on control board updates.

  • Page 84: Control Board Firmware Upgrade Options

    If changes are made to the settings after the control board is locked for firmware upgrade, use the following steps to unlock the board and execute the changes. In the Lock for Upgrade field on the FIRMWARE UPGRADE PARAMETERS panel, select Unlock, then select Yes. 2. Touch Save. The changes are executed. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 85: Backing Up, Importing/Exporting And Restoring Display Settings

    9.2 Backing Up, Importing/Exporting and Restoring Display Settings iCOM display settings may be saved to a local disk or USB drive. Setpoint parameters cannot be exported, only iCOM display settings. Saved files may be imported to restore iCOM if it is replaced or if a problem occurs and to transfer settings to another iCOM.

  • Page 86: Backing Up And Restoring Control Board Settings

    Indicates the folder you created on the USB drive to which the back-up system file is saved. System The back up file named with the IP address of the control board from which it was saved. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 87: Managing Access Permission And Passwords

    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/. Two four digit passwords provide two levels of permission to access iCOM menus and are set with factory-default values.

  • Page 88: Configuring With The Start Up Wizard

    Language Selects the display language. Import Imports previously-saved display settings. See Customizing the iCOM Display on page 91. Next Continues configuration using the set up wizard. Skip Closes the start-up wizard and uses the factory-default settings. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 89: Performing Diagnostics

    10 PERFORMING DIAGNOSTICS 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 iCOM display. 10.1 Cooling Unit Status LED Just below the iCOM touchscreen display is an LED that changes color and flashes on and off to indicate cooling unit status. See Table 10.1 below, for the LED colors and meanings.

  • Page 90: Disabling Diagnostics Manual Mode

    Maximum fan speed during manual/diagnostic mode. Low Supply Temperature Counter Number of low-temperature alarm events. Fan Motors Enables/disables fan motor during manual/diagnostic mode. Status Airflow 1/2 Indicates if the status of the Air Safety Switch is open or closed. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 91: Diagnosing Compressor Circuit Issues

    Status Filter Status of the air filter. Status Remote Shutdown Indicates whether remote shutdown is on or off. 10.4 Diagnosing Compressor Circuit Issues Touch , then > Diagnostic/Service > Diagnostics > Compressor Circuit 1 in the Category list. The COMPRESSOR CIRCUIT panel displays. 2.
  • Page 92 Low Pressure Status Status of compressor’s low pressure switch. Status HT1 Count of times compressor is powered off for high scroll temperature. Suction Pressure Current pressure of the compressor suction. Sump Temperature Current temperature at the sump. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 93: Resetting High Pressure Alarm Code

    10.4.2 Resetting High Pressure Alarm Code When a high pressure problem has caused a compressor to lock off, resetting the High Pressure Alarm Code to zero unlocks the compressor for operation. NOTE: Cycling main power of the cooling unit will also unlock the compressor. Touch , then >...

  • Page 94: Diagnosing Digital Output Issues

    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 iCOM display. 10.7.1 Diagnostics—Analog Output Options Analog Output N Controls analog outputs during manual/diagnostic mode. (Where N is the analog output number.) Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 95: Diagnosing Customer Input Issues

    10.8 Diagnosing Customer Input Issues Touch , then > Diagnostic/Service > Diagnostics > Customer Inputs in the Category list. The CUSTOMER INPUTS panel displays. 2. Refer to Diagnostics—Customer Input Options below, 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 iCOM display.

  • Page 96: Managing Brown Out Protection

    CI N: Customer input, where N is the number assigned to customer input. • T FAN: Top fan. • HP: High pressure. • LP: Low pressure. • EHO: Heater safety thermostat. • B FAN: Bottom fan. Enable Brown Out Protection Enables/disables brownout protection during manual/diagnostic mode. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 97: Customizing The Icom Display

    11 CUSTOMIZING THE iCOM DISPLAY 11.1 Setting General Display Properties NOTE: You must be logged in to adjust the settings. See Powering On the iCOM and Logging In/Unlocking Controls page 6. Touch , then > Display Options > Display Properties. The DISPLAY PROPERTIES panel opens. 2.

  • Page 98: Customizing Main Display Views

    3. Touch an object to select it (highlighted green), touch and drag a handle to re-size the object, see Add/Remove Content Icons and Resizing Handles on the facing page. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 99: Adding And Adjusting Content

    Figure 11.1 Add/Remove Content Icons and Resizing Handles Item Description Content adjustment icon Resizing handles Remove content icon 11.2.3 Adding and Adjusting Content You can add a variety of content to the main display. Touch , then 2. Touch in the upper right corner of the display and just below the control header, then touch A menu of content options opens, described in Main/User Display Content Options on the next page.

  • Page 100: Removing Content

    Once you know where they are, you’ll be able to find them in the categories on the Customize Labels panel. 2. Touch , then > Display Options > Custom Labels. The CUSTOM LABELS panel opens. The labels are divided into categories that represent the names of menus, sub-menus, and screen panels. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 101 3. Locate the category that contains the label(s) to customize that you determined in step 1, and touch to expand 4. In the Custom Text column, touch the text box to edit, make changes and touch See Figure 11.2 below, for an example of changing the column names for Property and Value (in the Analog Inputs panel) to Input and Configuration.

  • Page 102: Exporting, Importing And Customizing Labels Using A Text Editor

    NOTE: You must use an editor that interprets Linux line endings, otherwise all of the lines will run together. For example, Microsoft WordPad will interpret the Linux line endings but Microsoft Notepad will not. analog_input/row_customer_analog_inputs=Unit A Inputs analog_input_properties/header_property=Property analog_input_properties/header_value=Value Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 103 6. To customize, type a new label name to the right of =, and save the text file. The following example will result in the same custom labels shown in Figure 11.3 on the previous page. analog_input/row_customer_analog_inputs=Unit A Inputs analog_input_properties/header_property=Input analog_input_properties/header_value=Configuration 7.
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  • Page 105: Liebert Icom Hardware Installation

    12 LIEBERT ICOM HARDWARE INSTALLATION Your unit includes the Liebert® iCOM controller. This section describes the installation of connections and cabling to fully utilize the iCOM features. 12.1 Return Air Temperature/Humidity Sensor The return temperature/humidity sensor is located in the unit return air section and is supplied on all Liebert systems with iCOM controls.
  • Page 106 Figure 12.2 Standard Return Air Sensor Figure 12.3 Optional Remote Sensor A, B, C Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 107 Optional Sensor C Table 12.2 Temperature/Humidity Sensor Jumper Settings Jumper Label Type Position BDM Header *Open CANbus Termination *Shunt on Pins 2 and 3 Programming *Open E10-E13 Serial Port *Open *Factory default positions and settings. 12 Liebert iCOM Hardware Installation...

  • Page 108: Jumper P3 Canbus Termination

    NOTE: The 2T sensor shown in Figure 12.5 below, may differ slightly for your system, depending on equipment installed. Figure 12.5 2T Sensor for Rack Monitoring 12.2.1 Setting DIP Switches and Labeling 2T Sensors Tools required: • Small, non-conductive tool to set switches. • Small, Phillips-head screw driver to open 2T housing. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 109 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 12.6 DIP Switch Opening/DIP Switches Inside of 2T Sensor Item Description Hole in sensor housing Cover removed 12 Liebert iCOM Hardware Installation...
  • Page 110 The last 2T sensor in the array must be terminated. If more than the 3 factory-supplied sensors are installed, sensor #3 must be unterminated and the last sensor must be terminated. NOTE: Up is on, down is off on the DIP switch. Figure 12.7 DIP Switches in 2T Sensor Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 111: Terminating The Last Sensor On The Canbus Link

    NOTE: To add sensors, unterminate final sensor, add sensors to the chain, and terminate the new final sensor. Figure 12.8 Example Sensor CANbus Arrangement Item Description CANbus communication loop iCOM control board 2T sensor 2T sensor 2T sensor 2T sensor Terminated sensor 12 Liebert iCOM Hardware Installation...
  • Page 112 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 12.9 on the facing page. 4. Replace the sensor cover. The 2T sensor is terminated in the CANbus link. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 113: Routing Canbus Cable And Preparing For Sensor Installation

    For 600 mm (12 in.): CR020, CR035, and CR040 models, the CANbus cable enters through the top of the unit. Preparing for Sensor Cabling of CRV 600 mm (24 in.) units—CR020, CR035 and CR040 on page 110. NOTE: Connecting the CANbus sensors requires entering the high voltage electrical compartment in the unit. Consider hiring a certified electrician. 12 Liebert iCOM Hardware Installation...
  • Page 114 CANbus Wire Routing for CRV 300 mm (12 in.) Units—CR019 and CR032 on the facing page. • Route the cable through the low-voltage-access, 7/8 in. knockout using the proper strain relief. • Once inserted through knockout, route the cable to the IntelliSlot bracket inside the unit. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 115 Description Top-entry field routing of CANbus wiring Top-entry field routing of low-voltage wiring CW unit Bottom-entry field routing of low-voltage and CANbus DX unit CANbus and low-voltage wiring route in DX unit Ground connector (factory installed) 12 Liebert iCOM Hardware Installation...
  • Page 116 5. At the top of the cabinet, route the cable through the 7/8 in. knockout using the proper strain relief, then route the cable to the return air temperature sensor inside the unit, Figure 12.12 on the facing page. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 117 Figure 12.12 CANbus Top Entry Wiring for CRV 600 mm (24 in.) units—CR020, CR035, and CR040 Item Description Top/Display door Cable-connection top entry Temperature sensor Rear view Front view 12 Liebert iCOM Hardware Installation...

  • Page 118: Installing 2T Sensors In The Racks To Monitor

    Item Description Termination plug CAN cable 12.2.4 Installing 2T Sensors in the Racks to Monitor Tools required: • Medium, flat head screw driver to open electric panel dead front • Cutting tool to trim cable ties Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 119 First probe, 12 in. (305 mm) from top Second probe, in approximate center of rack and in front of the equipment 2T sensors with labels visible Cable-connection top entry point (use a field-supplied and field-installed protective bushing) 12 Liebert iCOM Hardware Installation...
  • Page 120 Cable-connection top entry point. Use a field-supplied and field-installed protective bushing. Cable-connect bottom entry, refer to Preparing for Sensor Cabling of CRV 600 mm (24 in.) units—CR020, CR035 and CR040 on page 110, and use a field-supplied and field-installed protective bushing. Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 121: 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) and higher, please consult the factory. • The CANbus cable network requires a ground wire. 12 Liebert iCOM Hardware Installation...
  • Page 122 Make sure that cables have the correct pin-out. Mismatched pins at the RJ2 connection will damage the CAN device. 2. Connect the ground connection between each sensor, Figure 12.16 below. Figure 12.16 CANbus and Ground Connection on 2T Sensor Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 123: Installing The U2U Network

    U2U network configuration/groups. Network communication conflicts and unreliable display readings will result. Before you begin, refer to Preparing for U2U Group Set Up on page 57, and Configuring U2U Network Settings on page 58. – or – Contact Vertiv Technical Support at 1-800-543-2778 or https://www.Vertiv.com/en-us/support/. 12 Liebert iCOM Hardware Installation...

  • Page 124: Wiring Cooling Units Without Wall Mount Displays

    NOTE: Cooling units are factory wired for stand alone operation. Do not connect the U2U network cabling before setting the U2U network configuration/groups. Network communication conflicts and unreliable display readings will result. NOTE: Before you begin, refer to Preparing for U2U Group Set Up on page 57, and Configuring U2U Network Settings on page 58. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 125 Connect a crossover CAT5 cable to the ETH-2 connector on the rear of each display as shown in Figure 12.17 below. Figure 12.17 Connection Between Only Two Cooling Units, No Network Switch Needed Item Description Touchscreen (rear view) Ethernet cable (field supplied) Ethernet cable (factory supplied) iCOM I/O board 12 Liebert iCOM Hardware Installation...
  • Page 126 Figure 12.18 Connecting Two or More Units with a Network Switch Item Description Touchscreen (rear view) Ethernet cable (field-supplied) Ethernet cable (factory-supplied) iCOM I/O board Network switch (field-supplied) to ETH-2 on rear of other cooling unit touchscreeens Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 127 Figure 12.19 Connecting 12-in. (300 mm) Units Item Description Touchscreen (rear view) Ethernet cable (factory-supplied) Coupler (factory-supplied) Straight-through Ethernet cables Network switch (field-supplied) to ETH-2 on rear of other cooling unit touch screeens iCOM I/O board 12 Liebert iCOM Hardware Installation...
  • Page 128 Figure 12.20 Connecting 600 mm (24 in.) units Item Description Touchscreen (rear view) Ethernet cable (field supplied) Ethernet cable (factory supplied) iCOM I/O board Network switch (field supplied) to ETH-2 on rear of other cooling unit touchscreens Vertiv | Liebert® iCOM Installer/User Guide...

  • Page 129: 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. 12 Liebert iCOM Hardware Installation...
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  • Page 131: Appendices

    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 1-800-543-2778 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 133: 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 iCOM touchscreen. The tables include range/options of the parameter, the factory-default setting, and a description of the parameter function. The line IDs are not listed in the User or Settings menus, only in the parameter directory.
  • Page 134 Sensor Sensor monitoring cards. Manual This read-only value indicates if the Liebert iCOM controller is setup in a Optimized Aisle configuration. To enable optimized aisle via the iCOM display, the Supply Air sensor must be set to Optimized Disabled U110 Disabled control the cooling capacity and the remote sensor must be set to control the fan speed.
  • Page 135 Table B.2 Service Menu Setpoints by Line ID Line Parameter Default Range Description Name Setting Supply Sensor Selects which sensor will be controlling and influencing the cooling capacity. Cooling Return Temperature Return Capacity is either the Chilled Water Valve, Compressor, Free Cooling Valve, or Air S102 Sensor Control Sensor...
  • Page 136 Selects a temperature setpoint that will be activated in the event of a customer input signal 41 - 104 ◦F 73 ◦F S122 Temperature configured as the second setpoint. The customer input must be configured for the parameter 5.0 - 40.0 ◦C 23.0 ◦C Setpoint to activate. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 137 Temp/Hum sensor and can calculate the dew point based on iCOM' s internal S124 Sensor Return Control Sensor Sensor lookup table. If a sensor other than the return sensor is selected, the Liebert iCOM will Sensor calculate the corresponding RH% based on that sensors actual temperature. 41 - 65 ◦F 48 °F...
  • Page 138 Fluid) Value before free cooling will occur. 0.0 - 20.0 K 6.7K Minimum Enables the temperature at which free cooling can operate independently without assistance S139 Chilled Water Disabled of the compressor circuit(s). Temp Enable Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 139 Table B.2 Service Menu Setpoints by Line ID (continued) Line Parameter Default Range Description Name Setting Minimum Sets the water temperature at which 100% free cooling can be provided to handle the full 32 - 68 °F 45 °F S140 Chilled Water room load.
  • Page 140 This parameter should only be adjusted by the factory service trained technician. Only slows 0.01 - 99.99 S161 Deceleration 0.10 %/s the decreasing of the variable fan speed. The control will use the slower of this parameter and Rate the fan speed filter. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 141 Table B.2 Service Menu Setpoints by Line ID (continued) Line Parameter Default Range Description Name Setting 41 - 104 °F 73 °F BMS Backup Fan Setpoint 5.0 - 40.0 °C 23.0 °C Selects a fan speed setpoint that will be activated in the event of a BMS time out. The BMS S162 timer must be configured for this parameter to activate.
  • Page 142 1.0 - 200.0 S186 Cycle Time 1.0 sec Set at the factory and should be changed only by an authorized Vertiv/Liebert technician. S187 SCR Factor 1.0 - 10.0 Set at the factory and should be changed only by an authorized Vertiv/Liebert technician.
  • Page 143 Table B.2 Service Menu Setpoints by Line ID (continued) Line Parameter Default Range Description Name Setting 0.010 - 1.003 0.020 Static Pressure Setpoint inWC inWC inWC S191 Sets the static pressure setpoint to be used by the control to modulate the fan control. Static Pressure 2 - 250 Pa 5 Pa...
  • Page 144 Deadband Low S1C1 5 - 95 % Value Deadband High S1C2 10 - 100 % Value Update S1C3 SuperSaver 30 - 300 sec 120 sec Signal every Update S1C4 SuperSaver 1 - 10 % Signal by Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 145 Table B.2 Service Menu Setpoints by Line ID (continued) Line Parameter Default Range Description Name Setting SuperSaver Max S1C5 0 - 100 % 100% Limit Current SuperSaver 0 - 100 % Request S1C6 Current SuperSaver 0 - 100 % Signal U2U Aggregated S1C7 0 - 100 %...
  • Page 146 1.0 - 99.0 % 30.0% Sensor Humidity Alarm. Supply Sensor Enables or disables the supply sensor alarms. When enabled, the supply temperature U213 Disabled Enabled Disabled Alarms value will be compared to a high and low setting. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 147 Table B.3 User Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting 34 - 210°F High Supply U214 75 °F Sets the temperature at which the High Supply Temperature Alarm is activated. Temperature 1.0 - 99.0 °C 34 - 210°F Low Supply U215...
  • Page 148 1.0 - 99.0 °C Sets the temperature Sensor A Low Humidity Alarm 1.0 - 99.0% 30.0% threshold when Sensor A S207 High/Low Humidity alarm will Sensor A High Humidity Alarm 1.0 - 99.0% 70.0% occur. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 149 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting When set to Yes, a Warning event type will activate the S208 Warning Activates Alarm Relay No Yes Alarm Relay, in addition to an Alarm event type.
  • Page 150 Sep set (separate settings) allows the user to program unique temperature alarm settings. A user may Remote Sensor Alarms Init Delay 10 - 9999 sec 180 sec adjust the time delay before the alarm is activated. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 151 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting 34 - 210 °F High Remote Temperature 90 °F 1.0 - 99.0 °C Sets the high/low Remote S220 Sensor alarm thresholds. 34 - 210 °F Low Remote Temperature 55 °F 1.0 - 99.0 °C...
  • Page 152 Event: HIGH ROOM TEMP MESSAGE WARNING ALARM WARNING Event Delay Time (sec) 10 - 9999 sec 30 sec S240 Event Enabled Disabled Enabled Enabled Low room temperature. Event: LOW ROOM TEMP MESSAGE WARNING ALARM WARNING Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 153 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Delay Time (sec) 10 - 9999 sec 30 sec S241 Event Enabled Disabled Enabled Enabled High room humidity, Event: HIGH ROOM HUM MESSAGE WARNING ALARM WARNING Event Delay Time (sec)
  • Page 154 Smoke detected. Event: SMOKE DETECTED MESSAGE WARNING ALARM ALARM Event Delay Time (sec) 10 - 9999 sec 10 sec S264 Event Enabled Disabled Enabled Enabled Water under floor. Event: WATER UNDER FLOOR MESSAGE WARNING ALARM ALARM Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 155 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Delay Time (sec) 10 - 9999 sec 10 sec Event Enabled Disabled Enabled Enabled S265 Cond pump high water. Event: COND PUMP-HIGH MESSAGE WARNING ALARM ALARM WATER...
  • Page 156 Enabled Humidifier lockout. Event: HUMIDIFIER LOCKOUT MESSAGE WARNING ALARM WARNING Event Delay Time (sec) 10 - 9999 sec 10 sec S284 Event Enabled Disabled Enabled Enabled FC lockout. Event: FC LOCKOUT MESSAGE WARNING ALARM WARNING Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 157 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting 0 - ALL 1 - 1 (A) 2 - 2 (A) 3 - 1B Compressor Lockout Option 4 - 2B 0(ALL) 5 - 1A + 2A 6 - 1B + 2B 7 - 1A + 1B 8 - 2A + 2B...
  • Page 158 Event: TEMP CTRL SENSOR MESSAGE WARNING ALARM ALARM FAIL Event Delay Time (sec) 10 - 9999 sec 30 sec S2A2 Event Enabled Disabled Enabled Enabled High dew point Event: HIGH DEW POINT MESSAGE WARNING ALARM WARNING Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 159 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Delay Time (sec) 10 - 9999 sec 30 sec S2A3 Event Enabled Disabled Enabled Enabled Low dew point Event: LOW DEW POINT MESSAGE WARNING ALARM WARNING Event Delay Time (sec)
  • Page 160 MESSAGE WARNING ALARM ALARM Event Delay Time (sec) 10 - 9999 sec 120 sec Static pressure 4 sensor S2C6 Event Enabled Disabled Enabled Disabled failure. Event: STAT PRES 4 SENS FAIL MESSAGE WARNING ALARM ALARM Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 161 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Delay Time (sec) 10 - 9999 sec 10 sec S2D1 Event Enabled Disabled Enabled Enabled Compressor 1A overload. Event: COMP 1A OVERLOAD MESSAGE WARNING ALARM ALARM Event Delay Time (sec)
  • Page 162 1 (Yes) down 1 - Yes Event Delay Time (sec) 10 - 9999 sec 10 sec S2G1 Power 2 phase loss. Event Enabled Disabled Enabled Enabled Event: POWER 2 PHASE LOSS MESSAGE WARNING ALARM ALARM Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 163 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Phase Loss MB03 shuts unit 0 - No 1 (Yes) down 1 - Yes Event Delay Time (sec) 10 - 9999 sec 10 sec S2G2 Power 3 phase loss.
  • Page 164 XDU supply fluid sensor failure. Event: SUPPLY FLUID SENSOR MESSAGEWARNINGALARM ALARM FAILURE Event Delay Time (sec) 1 - 9999 sec 10 sec Event Enabled DisabledEnabled Enabled XDU return fluid sensor failure. Event: RETURN FLUID SENSOR MESSAGEWARNINGALARM ALARM FAILURE Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 165 Table B.4 Service Menu Alarm Settings by Line ID (continued) Line Parameter Default Range Description Name Setting Event Delay Time (sec) 1 - 9999 sec 10 sec Event Enabled DisabledEnabled Enabled XDU fluid flow sensor failure. Event: FLOW SENSOR FAILURE MESSAGEWARNINGALARM ALARM Event Delay Time (sec)
  • Page 166 In the event of the Virtual Master taking control; the new Master unit shall control the staging off of 0 - 360 S524 OFF Master 1 min currently operating units for the amount of time set in S524. After S524 time has elapsed, S519 value Delay is used. Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 167 Vertiv | Liebert® iCOM Installer/User Guide...
  • Page 168 Vertiv.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2020 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.

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