Mechanical
Specification Options
General
The4TTR6isfullychargedfromthe
factoryforupto15feetofpiping.This
unitisdesignedtooperateatoutdoor
ambienttemperaturesashighas115°F.
Coolingcapacitiesarematchedwith
awideselectionofairhandlersand
furnacecoilsthatareAHRIcertied.The
unitiscertiedtoUL1995.Exterioris
designedforoutdoorapplication.
Casing
Unitcasingisconstructedofheavy
gauge,G90galvanizedsteeland
paintedwithaweather-resistantpowder
paintonalllouvers,panels,prepainton
allotherpanels.Corrosionandweather-
proofCMBP-G30DuraTuff™base.
Refrigerant Controls
Refrigerationsystemcontrolsinclude
condenserfanandcompressorcontac-
tor.Highandlowpressurecontrolsare
inherenttothecompressor.Afactory
installedliquidlinedrierisstandard.
Compressor
TheClimatuff
®
compressorfeatures
internalovertemperatureandpressure
protectionandtotaldippedhermetic
motor.Otherfeaturesinclude:centrifugal
oilpumpandlowvibrationandnoise.
Condenser Coil
Theoutdoorcoilprovideslowairow
resistanceandefcientheattransfer.
Thecoilisprotectedonallfoursidesby
louveredpanels.
Low Ambient Cooling
Asmanufactured,thisunithasacool-
ingcapabilityto55°F.Theadditionof
anevaporatordefrostcontrolwithTXV
permitslowambientcoolingto30°F.
Accessories
Thermostats—Coolingonlyandheat/
cooling(manualandautomaticchange-
over).Sub-basetomatchthermostat
andlockingthermostatcover.