Vertiv Liebert iCOM DP400/500, Инструкция по установке и эксплуатации

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6.4.1 Unit Rotation Options
Lead Lag Overlap Timer
Length of time in minutes that cooling units operate in parallel when one begins operating (from standby) and the
other goes into standby.
Rotate At
Selects exact time at which rotation occurs. Adjustable, based on a 24 hour clock where minutes are 0 to 59 and
hours are 0 to 23.
Rotate By
Number of positions by which the cooling units rotate. For example, rotate by 3 in a group of 10 units and start with
unit 1 operating. At rotation, unit 1 goes to standby and unit 4 activates, then 7, 10, 2, and so on. You can select 1 to 8
units in a single rotation schedule.
Rotate Every
Selects rotation period. Valid values:
• 12 hrs
• 24 hrs
Rotate Now
Immediately performs rotation.
Rotation Frequency
Frequency at which rotation occurs. Options include:
• No: Rotation disabled.
• Daily: Rotation occurs every day.
• Every [Day of Week]: Rotation occurs weekly on the same day.
• Monthly [Day of Week]: Rotation occurs monthly on the same day.
6.4.2 Manually Rotating the Operating and Standby Units
You can rotate the operating and standby units outside of the set schedule using Rotate Now.
NOTE: Manual rotation may only be performed at the cooling unit designated as the lead unit, U2U Address = 1, of the
group.
NOTE: The Rotate Now button may only be available when a Rotation Frequency is selected. See Setting a Rotation
Schedule on the previous page.
6 Teamwork, Standby and Rotation for Cooling Units
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