Emerson Liebert CW - Manual (Page 23)

Guide Specifications
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Advanced Menus
Factory Settings: Configuration settings shall be factory-set based on the pre-defined component
operation.
Change Passwords: Menu shall allow new passwords to be set or changed.
2.4.1 Liebert iCOM Microprocessor Control With Large Graphic Display (Optional)
The Liebert iCOM unit control with large graphic display shall include all of the features as the Lie-
bert iCOM with small graphic display, except that it includes a larger graphical display and shall
include the additional features of:
“System View”, Spare Parts List, Unit Diary.
The Liebert iCOM control processor shall be microprocessor based with a 320x240 dot matrix graphic
front monitor display panel and control keys for user inputs mounted in an ergonomic, aesthetically
pleasing housing.
System View - Status Overview: “System View” shall display a summary of operation for the total
number of operating units within a Unit-to-Unit (U2U) configuration.
Spare Parts List: Menu shall include a list of critical spare parts, their quantity and part numbers.
Unit Diary: Menu shall include a free field area within the unit memory where unit history may be
stored for reference.
2.5 Liebert iCOM Wall-Mount Large Graphic Display (Optional)
The Liebert iCOM Large Graphic Display Kit shall include an ergonomic, aesthetically pleasing hous-
ing, a 320x240 dot matrix graphic display and a 120V power supply. The Wall-Mount Large Graphic
Display shall be used to allow remote location of a “System View” display and all features of the Large
Graphic User, Service and Advanced menus for use with Liebert iCOM controlled products connected
for Unit-to-Unit (U2U) communications.
2.5.1 Control
The control system shall allow programming of the following room conditions:
• Temperature Setpoint: 65-85°F (18-29°C)
• Temperature Sensitivity: ±1° to 9.9°F (0.6 to 5.6°C) in 0.1°F (0.1°C) increments
All setpoints shall be adjustable from the individual unit front monitor panel. Temperature and
humidity sensors shall be capable of being calibrated using the front monitor panel controls to coordi-
nate with other temperature and humidity sensors in the room.
In addition, the system shall provide the following internal controls:
2.5.1.1 System Auto-Restart
For startup after power failure, the system shall provide automatic restart with a programmable (up
to 9.9 minutes in 6-second increments) time delay. Programming can be performed either at the unit
or from the central site monitoring system.
2.5.1.2 Sequential Load Activation
During startup or after a power failure, the Liebert iCOM control shall sequence operational load
activation to minimize inrush current. Systems allowing multiple loads to start simultaneously are
unacceptable.
2.5.1.3 Front Monitor Display Panel
The Liebert iCOM control shall provide a front monitor LCD, backlit display panel with 4 rows of 20
characters with adjustable contrast. This display (along with nine front-mounted control keys) shall
be the only operator interface required to obtain all available system information such as room condi-
tions, operational status, alarms, control and alarm setpoints and all user selections including alarm
delays, sensor calibration, DIP switch selections and diagnostics. All indicators shall be in language
form. No symbols or codes shall be acceptable.