heat-timer EPU-D - Outdoor Temperature Sensor Installation

12EPU‐DInstallationandOperationManual
059840‐00Rev.A Heat‐TimerCorp.
OutdoorTemperatureSensorInstallation
Considerthefollowingwheninstallingtheoutdoortemperaturesensor:
• Onlyusethesensorprovidedwiththecontrol.
• Locatethesensorintheshadeonthenorthsideofthe
building.Thesensorshouldneverbeindirectsunlight.
• Besurethelocationisawayfromdoors,windows,exhaust
fans,vents,orotherpossibleheatorcoldsources.
• Thesensorshouldbemountedapproximately10feet
(3 meters)abovegroundlevel.
• Adheretheprovidedoutdoorlabeltothebackofthesensor
base.
• Usetheenclosurebasebottomknockoutfortheconduit.Use
thelocknuttoholdtheconduitandenclosurebasetogether.
Screwthecovertothebase.
• Makesuretosealaroundthesensorenclosureandwall,
exceptfromthebottomoftheenclosure.
• Thesensorwirescanbeextendedupto500feet(152.4
meters)usingshielded2‐conductor(#18/2)cable(HeatTimer
p/n703001‐01).
• Donotconnecttheshieldatthesensor.However,connecttheshieldatthecontrol.See“Wiringthe
OutdoorTemperatureSensor”onpage 19.
CAUTION
Determiningtheproperlocationfortheoutdoorsensorisveryimportant.TheEPU‐Dbasesthe
heatontheoutdoortemperatureinformationitreceivesfromthislocation.Ifthesensorisin
thesunorcoveredwithice,itsreadingwilldifferfromtheactualoutdoortemperature.