Engineered air EngA W-TRAC User Manual

A W-TRAC
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IOM‐49 5of12 Mar99R4
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INTRODUCTION
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TheW‐TRACisasupervisorycontrollerforEngineeredAirHRWheatwheels,withbuiltindischargeair
temperaturecontrolandoptionalexhaustfrostcontrol.
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Theinformationusedinthismanualshouldbeusedinconjunctionwiththeunitfunctionsheet(s)andthe
HRWseriesInstallation,Operation,andMaintenancemanual.
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TheW‐TRACisdesignedtocontrolonlyEngineeredAirequipment.Variousupgradesandimprovements
havebeenmadeovertime.Alwaysincludeanysuffixlettersandnumbersfortroubleshootingand/or
replacement.AllW‐TRACmodelsarebackwardscompatible;howeversomeadditionalwiringmaybe
required.
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Note:Itisnecessarythatalloftheremotewiringandcontrolsbecompleteandoperationalbeforestarting
theappliance.
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CONTROLLERRATINGS
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Powerrequirements:24VAC,40VA.
ContactRating:120V3Ainductive
0‐10Vdcinputimpedance:5k
Environment:‐40to120°F(‐40to50°C)non‐condensing.
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Engineered air EngA W-TRAC Specifications

General

Brand	Engineered air
Model	EngA W-TRAC
Category	Controller
Language	English