Trane XB 13 - Mechanical Specification Options

22-1769-07 13
Mechanical
Specification Options
General
The2TTB3isdesignedtooperateat
outdoorambienttemperaturesashigh
as115°F.Coolingcapacitiesshallbe
matchedwithawideselectionofair
handlersandfurnacecoilsthatare
A.H.R.I.certied.Theunitshallbecerti-
edtoULStandard1995.Exteriormust
bedesignedforoutdoorapplication.
Casing
Unitcasingisconstructedofheavy
gauge,galvanizedsteelandpaintedwith
aweather-resistantpowderpaint.Corro-
sionandweatherproofCMBP-G30base.
Refrigerant Controls
Refrigerationsystemcontrolsinclude
condenserfanandcompressorcontac-
tor.Highandlowpressurecontrolsare
inherenttothecompressor.Another
standardfeatureistheliquidlinedryer.
Compressor
Thecompressorfeaturesinternalover
temperatureandpressureprotector,
totaldippedhermeticmotorandthermo-
staticallycontrolledsumpheater.Other
featuresinclude:centrifugaloilpump,
andlowvibrationandnoise.
Condenser Coil
TheSpineFin™coilshallbecontinuous-
lywrapped,corrosionresistantallalu-
minumwithminimumbrazedjoints.This
coilis3/8inchO.D.seamlessaluminum
gluedtoacontinuousaluminumn.
Coilsarelabtestedtowithstand2,000
poundsofpressurepersquareinch.The
outdoorcoilprovideslowairowresis-
tanceandefcientheattransfer.Thecoil
isprotectedonallfoursidesbylouvered
panels.
Low Ambient Cooling
Asmanufactured,thisunithasacool-
ingcapabilityto55°F.Theadditionof
anevaporatordefrostcontrolpermits
operationto40°F.Theadditionofan
evaporatordefrostcontrolwithTXVper-
mitslowambientcoolingto30°F.
Accessories
Thermostats — Heating/Cooling
(manualandautomaticchangeover).
Sub-basetomatchthermostatandlock-
ingthermostatcover.
Evaporator Defrost Control — See
LowAmbientCooling.
Outdoor Thermostat — Supplemen-
talheatoutdoorambientlockoutfrom
46to–10°F.