Intelligent Communications & Monitoring System User Manual
Table Of Contents
- 1.0 Introduction
- 2.0 Liebert iCOM Display Components and Functions
- Figure 2 Liebert iCOM display components
- Table 1 Keyboard icons and functions
- Figure 3 Status menu, large display, graphical view
- Figure 4 Liebert iCOM default screen symbols
- 2.1 Navigating Through the Liebert iCOM Menus
- 3.0 Operation
- 3.1 Single Unit Functions
- 3.2 Motorized Ball Valve in Digital Scroll Units
- 3.3 Temperature Control—Single Source Cooling (No Extra Cooling Coil)
- 3.3.1 Temperature Proportional Band
- 3.3.2 Compressor Control
- Compressor Proportional Bands
- Figure 12 One single-step compressor without unloaders
- Figure 13 Two single-step compressors without unloaders or one compressor with an unloader (two-step)
- Figure 14 Two compressors with unloaders (four-step)
- Figure 15 Digital scroll capacity modulation, 10-100% variable
- Figure 16 Single and dual digital scroll compressor activation points
- Compressor Proportional Bands
- 3.3.3 Chilled Water Control
- 3.4 Temperature Control—Second Cooling Source
- 3.5 Temperature Control—Reheat
- 3.6 Humidity Control
- 3.7 Control Types
- 3.8 Possible Event Notifications
- 3.9 Next Maintenance Calculation
- 4.0 Teamwork
- 5.0 Installing a Liebert iCOM Unit-to-Unit Network
- 5.1 Placement of Cooling Units
- 5.2 U2U Hardware: Cables and Network Switch
- 5.3 Wiring for Unit-to-Unit Communications—U2U
- 5.4 External Communications—Building Management Systems, Liebert SiteScan®
- 6.0 Mounting a Large Display on a Wall
- 7.0 User Menu Parameters
- 8.0 Service Menu Parameters
- Table 23 Setpoints parameters
- Unit Diary—Large Display Only
- Table 24 Unit diary parameters
- Table 25 Standby settings / lead-lag parameters
- Table 26 Maintenance / wellness settings parameters
- Table 27 Diagnostics / service mode parameters
- Table 28 Set alarms parameters
- Table 29 Sensor calibration / setup parameters
- Table 30 System / network setup parameters—large display only
- Table 31 Network setup parameters
- Table 32 Options setup parameters
- Table 33 Service contact info parameters
Service Menu Parameters
57
Unit Diary—Large Display Only
Shows all entered program changes and maintenance performed on the unit.
VSD Setpoint VSD SET W 0-100%
Page 4 of 5
Password PASSWORD W -
VSD Fanspeed FANSPEED W Auto, Manual, Economy
VSD Setpoint STD VSD SET W
HPM: 30-100%
non HPM: 60-100%
VSD Setpoint MIN VSD MIN W
HPM: 30-100%
non HPM: 60-100%
VSD Setpoint Dehum VSD DEH W
HPM: 30-100%
non HPM: 60-100%
VSD Setpoint No Power VSD NOP W
HPM: 30-100%
non HPM: 60-100%
Page 5 of 5
Password PASSWORD W -
SCR Control Type CTRLTYPE W Tight, Standard, Economy
Start Compressor 1 At CO1 ON W -150 to +100%
Stop Compressor 1 At CO1 OFF W -200 to +50%
Compressor 1 Stop Delay CO1 TD W 0-30 min
Start Compressor 2 At CO2 ON W -150 to +100%
Stop Compressor 2 At CO2 OFF W -200 to +50%
Compressor 2 Stop Delay CO2 TD W 0-30 min
Cycle Time CYCLET R 0.2 – 200.0 sec
SCR Factor SCRFACT W 1.0 to 10.0
Actual SCR Request ACT SCR R 0-100%
Table 24 Unit diary parameters
Function
Read/
Write
Range
Imperial (metric)
Large Display Small Display
Page 1 of 1
Text entered with iST
(iCOM Service Tool)
N/A R -
Table 23 Setpoints parameters
Function
Read/
Write
Range
Imperial (metric)
Large Display Small Display
°C / °F
% RH
SET