Trane
www.trane.com
08/14
Trane has a policy of continuous product and product data improvement and it reserves the right to change
design and specifications without notice.
Mechanical
Specification Options
General
The4TWR5isfullychargedfromthe
factoryforupto15feetofpiping.This
unitisdesignedtooperateatoutdoor
ambienttemperaturesashighas115°F.
Coolingcapacitiesarematchedwith
awideselectionofairhandlersand
furnacecoilsthatareAHRIcertied.The
unitiscertiedtoUL1995.Exterioris
designedforoutdoorapplication.
Casing
Unitcasingisconstructedofheavy
gauge,G90galvanizedsteeland
paintedwithaweather-resistantpowder
paintonalllouvers,panels,prepaint
onallotherpanels.Corrosionand
weatherproofCMBP-G30DuraTuff™
base.
Refrigerant Controls
Refrigerationsystemcontrolsinclude
condenserfanandcompressor
contactor.Highandlowpressure
controlsareinherenttothecompressor.
Afactoryinstalledliquidlinedrieris
standard.
Compressor
TheClimatuff
®
compressorfeatures
internalovertemperatureandpressure
protectionandtotaldippedhermetic
motor.Otherfeaturesinclude:centrifugal
oilpumpandlowvibrationandnoise.
Condenser Coil
Theoutdoorcoilprovideslowairow
resistanceandefcientheattransfer.
Thecoilisprotectedonallfoursidesby
louveredpanels.
Low Ambient Cooling
Asmanufactured,thisunithasacooling
capabilityto55°F.Theadditionofan
evaporatordefrostcontrolwithTXV
permitslowambientcoolingto20°F.
Accessories
Thermostats—Coolingonlyand
heat/cooling(manualandautomatic
changeover).Sub-basetomatch
thermostatandlockingthermostatcover.