Condenser Fan Reversal Task Properties Options
Reverse Fans At Duration
Length of time, in seconds, the fans are reversed.
Reverse Fans Every
Selects number of days between fan reversal.
Reverse Fans Now
Enables/disables immediate fan reversal.
3.2.3 Scheduling Sleep Times for Thermal Management Units
Unit sleep schedules turn off units during low demand as long as return temperature remains below the alarm threshold.
1. Touch , then > Scheduler > Unit Sleep Schedule. The TASK PROPERTIES panel opens.
2. Adjust the schedule settings, and touch Save. The schedule is set up.
• Touch Cancel to discard the changes.
Unit Sleep Schedule Task Properties Options
Interval 1/2
Start and finish time of day that sleep mode operates.
Interval Day
Selects days on which sleep mode operates for the intervals specified in Interval 1 and Interval 2.
Sleep Mode
Enable/disable sleep schedule. When checked, the schedule is run. When un-checked, the scheduling parameters are
ignored.
Timer Mode Type
Selects unit operation when in sleep mode. Values are:
• Unit Off: The unit stops (fans are off).
• Deadband: The unit operates in a limited capacity (fans are on) based on an additional deadband added to the
temperature deadband.
Timer Reset
Selects whether or not the sleep mode timer resets.
Whole Day
Selects specific days on which sleep mode is active for the entire day when the schedule is enabled.
3 Service Operation
52
Vertiv™ Liebert® iCOM™Installer/User Guide
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