Liebert RAC2-8 manual Function

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Section 3: Operation

Note that the Clear button will not allow you to exit these screens until all selections have been made.

Set Options Sub-menu (cont’d)

From the Set Units menu, select 1. ZONES/UNITS to select the number of zones, number of units in each zone, and operating status of each unit. Complete all of these selections before exiting this setup

function.

When you press 1. ZONES/UNITS, the RAC2-8 sequences through the screens you must complete.

SET NUMBER OF ZONES

RANGE 1-4 <4> >_

PUSH ENTER FOR NEXT

SET NUMBER OF UNITS

ZONE 1 <2> >_

PUSH ENTER FOR NEXT

Set Number of Units screen will be iterated for each zone selected (up to 4).

The RAC2-8 then displays the Set Status screen for Zone 1:

SET STATUS ZONE 1 01-R 02-S

1=RUN O=STBY E=NEXT

Set Status screen is iterated for each zone selected. Press 1, or 0 to set the status. After you have selected the operating status of units in your last zone, Press E to return to the Set Units Menu.

From the Set Units menu, press 2. EMER OP. to display the Set Emergency Operating Units ON screen:

SET EMRG.OP UNITS ON 01-R 02-0 03-0 04-R 05-0 06-R 07-0 08-0 1=RUN O=OFF E=NEXT

Beginning with unit 01, set each unit's emergency operating status. Press E to continue to the next unit. When you have configured the last unit, the RAC2-8 returns to the Set Units menu.

From the Set Units menu, press 3. LABELS to display the Assign Labels to Unit screen:

ASSIGN LABEL TO UNIT 1-01 2-02 3-03 4-04 5-05 6-06 7-07 8-08

PUSH ENTER FOR NEXT

Beginning with unit 01, assign a label to each unit. You can use two numbers, two letters, or a two-character number/letter label. Press E to continue to the next unit. When you have configured the last unit, the RAC2-8 returns to the Set Units menu.

Liebert RAC2-8 9

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Contents $XWRð&KDQJHRYHUý&RQWUROOHU Table of Contents Table of Figures RAC2-8 UnitPage Introduction Page Operation InstallationTo start up the RAC2-8 Page Operation Glossary of Control Functions for more detailsSequencing Status Screens cont’d Status Sub-menuDelay UnitsSet Options Sub-menu cont’d Status Sub-menu cont’dSet Options Sub-menu Function Delays TEMP/HUM Password StandbyAlarm Sub-menu Time Set Clock Sub-menuDate DAY of WeekUnit 01 Forced on Force OFF Restore Return Terminal LOG onStatus Screen Number of ZONES/NUMBER of Units PER Zone Setup Zones/Units OptionsSetup Zones/Units Options cont’d Unit StatusUnit Shutdown on Alarm Emergency Power Units08 0 no Set Clock Alarms Review and Alarms ClearUnit Labels Override a Unit Set Modem Options Set Modem Options cont’d Setup Temp/Humid OptionsSetup Temp/Humid Options cont’d Setup Standby Unit Options Display SS Alarm Block Set New PasswordAlarms List of AlarmsAlarm Delay Alarm AnnunciationAlarm Communications AutochangeoverAutosequencing Common Alarm-Output Clear AlarmsCommon Alarm-Inputs KeyEmergency Power Operation DelayEmergency Power OFF EPO Hold DelayInactive Unit Humidity AlarmsHumidity Lockout IntervalPower Failure Mode Normal TemperaturePassword OverrideStandby Testing Restart DelayRestore Running UnitsTemperature Staging Temperature AlarmsTemperature Sensitivity TerminalZones Installation TB2 RAC2-8 Dimensional Enclosure Diagram RAC2-8 Component Arrangement RAC2-8 Connection Diagram RAC2-8 Switch and Jumper Settings