Emerson Liebert CW Design Manual page 22

The Service Menus Shall be Defined as Follows
Setpoints: Menu shall allow setpoints within the following ranges:
• Temperature Setpoint 65-85ºF (18-29ºC)*
• Temperature Sensitivity +1-10ºF (0.6-5.6ºC)
• Humidity Setpoint 20-80% RH*
• Humidity Sensitivity 1-30% RH
• High Temperature Alarm 35-90ºF (2-32ºC)
• Low Temperature Alarm 35-90ºF (2-32ºC)
• High Humidity Alarm 15-85% RH
• Low Humidity Alarm 15-85% RH
* The microprocessor may be set within these ranges, however, the unit may not be able to control to
extreme combinations of temperature and humidity.
Standby Settings/Lead-Lag: Menu shall allow planned rotation or emergency rotation of operating
and standby units.
Timers/Sleep Mode: Menu shall allow various customer settings for turning on/off unit.
Alarm Setup: Menu shall allow customer settings for alarm notification (audible/local/remote). The
following alarms shall be available:
• High Temperature
• Low Temperature
• High Humidity
• Low Humidity
• Main Fan Overload (Optional)
• Humidifier Problem
• Change Filter
• Fan Failure
• Unit Off
Audible Alarm: The audible alarm shall annunciate any alarm that is enabled by the operator.
Common Alarm: A programmable common alarm shall be provided to interface user selected alarms
with a remote alarm device.
Remote Monitoring: All alarms shall be communicated to the Liebert monitoring system with the
following information: Date and time of occurrence, unit number and present temperature and
humidity.
Sensor Calibration: Menu shall allow unit sensors to be calibrated with external sensors.
Maintenance/Wellness Settings: Menu shall allow reporting of potential component problems
before they occur.
Options Setup: Menu shall provide operation settings for the installed components.
System/Network Setup: Menu shall allow Unit-to-Unit (U2U) communication and setup for team-
work modes of operation (up to 32 units).
Teamwork Modes of Operation: Saves energy by preventing operation of units in opposite modes
multiple units.
Auxiliary Boards: Menu shall allow setup of optional expansion boards.
Diagnostics/Service Mode: The Liebert iCOM control shall be provided with self-diagnostics to aid
in troubleshooting. The microcontroller board shall be diagnosed and reported as pass/not pass. Con-
trol inputs shall be indicated as on or off at the front display. Control outputs shall be able to be
turned on or off from the front display without using jumpers or a service terminal. Each control out-
put shall be indicated by an LED on a circuit board.
18
Guide Specifications