Vertiv Liebert iCOM DP400/500, Installer/User Manual

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Temperature Compensation Options
Compensation Type
Selects the compensation routine:
• No: Temperature compensation routine disabled.
• Return: Increases the temperature setpoint when the return air temperature is too cold.
• Supply: Decreases the temperature setpoint when the air flow capacity approaches 100% and the cold aisle
temperature remains above the setpoint.
• Return: Allows both supply and return compensation.
3.1.6 Configuring High/Low Limit Setpoints
To Set Sigh and Low Limits
1. Touch , then > Setpoints > High/Low Limit Control . The HIGH/LOW LIMIT CONTROL secondary
panel opens.
2. Adjust the setpoint options, then touch Save . The setpoint is updated.
• Touch Cancel to discard the changes.
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.
High/Low Limit Control Options
High Return Limit
Enables/disables use of additional fan speed based on return air temperature.
Return Limit P-band
Calculates fan speed based on proportional deviation from the return air temperature.
Supply Limit Enabled
Enables/disables use of additional fan speed based on supply air temperature.
Supply Temp Limit Setpoint
Supply air temperature at which use of additional fan speed is enabled.
3.1.7 Configuring Fan Setpoints
Configures fan speed control to operate independent of compressor loading (de-coupled mode).
1. Touch , then > Setpoints > Fan Control . The FAN CONTROL secondary panel opens.
2. Adjust the setpoint options, then touch Save . The setpoint is updated.
• Touch Cancel to discard the changes.
Vertiv™ | Liebert® iCOM™ Installer/User Guide
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