Guide Specifications—Chilled Water Environmental Control System
Liebert
®
CW
™
System Design Manual 110
3.0 Controls
3.1 LIEBERT
®
ICOM
®
MICROPROCESSOR CONTROL WITH 9-IN. COLOR TOUCHSCREEN
The Liebert iCOM shall be microprocessor-based with a 9" color touchscreen display and shall be
mounted in an ergonomic, aesthetically pleasing housing. The display and housing shall be viewable while
the front panel is open or closed. The controls shall be menu-driven. The system shall display user menus
for active alarms, event log, graphic data, unit view/status overview (including the monitoring of room
conditions, operational status in percentage of each function, date and time), total run hours, various
sensors, display setup and service contacts. A password shall be required to make system changes.
Service menus shall include setpoints, standby settings (lead/lag), timers/sleep mode, alarm setup, sensor
calibration, maintenance/wellness settings, options setup, system/network setup, auxiliary boards and
diagnostics/service mode.
• Password Protection - The Liebert iCOM shall contain two unique passwords to protect against
unauthorized changes. An auto hide/show feature shall allow the user to see applicable information
based on the login used.
• Unit Backup and Restore - The user shall be able to create safe copies of important control
parameters. The Liebert iCOM shall have the capacity for the user to automatically backup unit
configuration settings to internal memory or USB storage drive. Configuration settings may be
transferred to another unit for a more streamlined unit startup.
• Parameter Download - The Liebert iCOM shall have the ability for the user to download a report that
lists parameter names, factory default settings and user programmed settings in .csv format for remote
reference.
• Parameter Search- The Liebert iCOM shall have search fields for efficient navigation and parameter
lookup.
• Setup Wizards - The Liebert iCOM shall contain step-by-step tutorials or wizards to permit easy setup
of the control.
• Context Sensitive Help - The Liebert iCOM
®
will have an on-board help database. The database
shall provide context sensitive help to assist with setup and navigation of the menus.
• Display Setup - The user shall be able to configure the display information based on the specific
user’s preference. Language, units of measure, screen contrast, home screen layout, back-light timer
and the hide/show of certain readouts will be configurable through the display.
• Additional Readouts - The Liebert iCOM shall enable the user to configure custom widgets on the
main screen. Widget options shall include items such as fan speed, call for cooling, call for free
cooling, maintenance status, call for hot water reheat, call for electric reheat, call for dehumidification,
call for humidification, airflow, static pressure, fluid flow rate and cooling capacity.
• Status LED’s - The Liebert iCOM shall provide the user with the unit’s operating status using an
integral LED. The LED shall indicate if the unit has an active alarm; if the unit has an active alarm that
has been acknowledged; or if the unit is On, Off or in standby status.
• Event Log - The Liebert iCOM shall automatically store the last 400 unit-only events (messages,
warnings and alarms).
• Service Contact Information - The Liebert iCOM shall have the capacity to store the local service or
sales contact information.
• Upgradeable - Liebert iCOM upgrades shall be performed through a USB connection.
• Timers/Sleep Mode - Menu shall allow various customer settings for turning On/Off unit.
• Menu Layout - The menus will be broken out into two main menu screens: User screen and Service
screen. The User screen contains the menus to access parameters required for basic unit control and
setup. The Service screen is designed for service personnel and provides access to advanced control
setup features and diagnostic information.
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