Emerson Liebert iCOM Manual De Usuario

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Service Menu Parameters
Liebert
®
 iCOM
®
134
Service—Unit Diary Menu Screens (Large Display Only)
Unit Diary—Shows all entered program changes and maintenance performed on the unit. The Unit 
Diary serves as a note pad, where information can be added through the Liebert iCOM Service Tool.
8.2
Service—Standby Settings / Lead Lag Menu Screen
Standby Settings / Lead Lag allows the user program lead-lag setup when units are connected in a 
Liebert iCOM U2U network.
Figure 116
Standby settings / lead-lag screen, page 1
S502 Number of Standby Units—Selects the number of units that will be in Standby mode. When 
a unit is in Standby mode, the fan will be Off and no cooling will be provided.
S503 Rotation Frequency—Controls when a rotation will occur between the standby units and the 
operating units within a network.
S504 Rotate at—Sets the hour and minute of the rotation.
S505 Rotate by—Determines the number of positions to rotate by. Example: If there are six units in 
a unit-to-unit network and Units 1, 3 and 5 are in standby and this parameter is set to 1, then at the 
next rotation Units 2, 4 and 6 will be placed in standby and Units 1, 3 and 5 will become operational.
S506 Rotate Every—Selects 12- or 24-hour rotations when the Rotation Frequency is set to Daily.
S507 Perform one Rotation—Setting this to YES will perform one rotation without waiting on the 
rotation timer to expire.
S512 Stdby Fan Timer at Reheat/Hum—Sets the time that the fan will operate after a unit enters 
standby or sleep if the reheat or humidifier was operating when commanded to turn Off. The default 
is 1 minute; the range is 0 to 5 minutes.
S513 Start all Standby Units by HT—Activates all units to cool when a High Temperature Alarm 
occurs.