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1 50 TCCooling only / electric heat packaged DataC08613the environmentally sound refrigerant2 TABLE OF CONTENTSPAGEFEATURES AND NUMBER OPTIONS & CAPACITY UNIT PRESSURE AIR INTAKE & EXHAUST / WIRING Carrier rooftop unit (RTU) was designed by customers for customers. With no--strip screw collars, handled accesspanels, and more we ve made your unit easy to install, easy to maintain and easy to to install:All WeatherMakertunits are field--convertible to horizontal air flow; no special adapter curbs or kits are airflow design makes it easy to adjust to unexpected job--site complications. Lighter units make easyreplacement.

2 Carrier ton 50tc rooftops fit on existing Carrier curbs dating back to1989. Also, our large controlbox gives you room to work and room tomount Carrier accessory to maintain:Easy access handles by Carrier provide quick and easy access to all normally serviced components. Our no--strip screwsystem has superior holding power and guides screws into position while preventing the screw from stripping the unit smetal. Take accurate pressure readingsby reading condenser pressure with panels on. Simply remove the black, compositeplug, route your gauge line(s) through the hole, and connect them to the refrigeration service valve(s). Now, you can takerefrigeration system pressure readings without affecting the condenser to use:The newly designed, master terminal board by Carrier puts all your connections and troubleshooting points in oneconvenient place, standard.

3 Most low voltage connections are made to the same board and make it easy to find what you relooking for and easy to access it. Carrier rooftops have high and low pressure switches, a filter drier, and 2 (51mm) AND BENEFITSSUp to 28% lighter than similar industry units. Lighter rooftops make easier replacement ton units fit on existing Carrier rooftop curbs making the utility connections the same. This saves time and moneyon replacement components and layout. Standardized components and controls make service and stocking parts compressors on all units. This makes service, stocking parts, replacement, and troubleshooting convertible airflow ( tons). Being able to convert a unit from vertical airflow to horizontal makes it easy toovercome job site , belt--drive motor available.

4 Carrier provides a factory solution for most points in the fan performance s no need for field--supplied drives or for bottom or side condensate of thru--the--base or thru--the--curb electrical electrical , composite drain pan. Sloped, composite drain pan sheds water; and won t controls and control box layout. Standardized components and controls make stocking parts and , easy to use control , laminated wiring and power wiring drawings which are affixed to unit make troubleshooting , central terminal board for test and wiring , handled, panels for easy access to the blower and blower motor, control box, and No--strip screw system guides screws into the panel and captures them tightly without stripping the screw, the panel, orthe , newly--design indoorrefrigerant header for easier maintenance and cooling (115_Fto40_For46_Cto4_C) standard on all models.

5 Winter start kit allows cooling operationdownto25_F(--4_C) and MotorMaster to --20_F(--29_C).S2 (51mm) disposable filters on all filter--drier on each and low pressure switches. Added reliability with high pressure switch and low pressure Humidi--MiZer adaptive dehumidification system on ton models, includes MotorMaster Icontroller for cooling operation down to --20_F(--29_C).the environmentally sound refrigerant50TC4 MODEL NUMBER NOMENCLATURE1234567891011121314151617185 0TC--A06A1A5A0A0A0_____Unit heat TypeBrand / Packaging50 = cooling /Elec heat RTU0=Standardwith Puron refrigerant1=LTLM odelTC = WeatherMaker SeriesElectrical OptionsA=NoneHeat SizeC = N on --- f u sed d isc--- = N o h eatD=ThruthebaseF = Non---fused & thru the baseRefrig.

6 System OptionsA = Standard 1---stage coolingService OptionsB = Standard 1---stage cooling models with0=NoneHu mid i --- MiZ er (04 --- 07 mod els on ly )1 = Unpowered convenience outletD = Standard 2---stage cooling2 = Powered convenience outletE = 2 --- stag e coolin g 08 --- 14 w/Al/C u con d en sercoil and Humidi---MiZerIntake / Exhaust OptionsA=NoneCooling TonsB=Tempeconow/barorelief04 = 3 TonF = Enthalpy econo w/ baro relief05 = 4 TonK = 2 position damper06 = 5 Ton07 = 6 TonBase Unit Controls08 = Ton0 = Electromechanical controller09 = Ton1 = PremierLink DDC controller12 = 10 Ton2 = Open protocol DDC controller14 = TonDesign RevSensor OptionsFactory assignedA=NoneB = RA smoke detectorVoltageC = SA smoke detector1 = 575/3/60D=RA&SAsmokedetector3 = 208---230/1/60E=CO2sensor5 = 208---230/3/60F = RA

7 Smoke detector & CO26 = 460/3/60G = SA smoke detector & CO2H=RA&SAsmokedetector&CO2 Models w/Round Tube Plate Fin (RTPF) condenser coil( O u td o o r --- I n d o o r --- H a i l G u a r d )Indoor Fan OptionsA = Al/Cu --- Al/Cu1 = Standard static optionB = P recoat Al/C u --- Al/C u2 = Medium static optionC = E coat Al/C u --- Al/C u3 = High static optionD=EcoatAl/Cu---EcoatAl/CuE = Cu/Cu --- Al/CuF = Cu/Cu --- Cu/CuM = Al/C u --- Al/C u --- L ou vered Hail Gu ard sN = P recoat Al/C u --- Al/C u --- L ou vered Hail Gu ard sP = E coat Al/C u --- Al/C u --- L ou vered Hail Gu ard sQ = E coat Al/C u --- E coat Al/C u --- L ou vered Hail Gu ard sR = C u /C u --- Al/C u --- L ou vered Hail Gu ard sS = C u /C u --- C u /C u --- L ou vered Hail Gu ard sModels w/All aluminum, Novation condenser coils( O u td o o r --- I n d o o r --- H a i l G u a r d )

8 G = Al/Al --- Al/CuH = Al/Al --- Cu/CuJ = Al/Al --- E --- coat Al/C uK = E --- coat Al/Al --- Al/C uL = E --- coat Al/Al --- E --- coat Al/C uT = Al/Al --- Al/C u --- L ou vered Hail Gu ard sU = Al/Al --- C u /C u --- L ou vered Hail Gu ard sV = Al/Al --- E --- coat Al/C u --- L ou vered Hail Gu ard sW = E --- coat Al/Al --- Al/C u --- L ou vered Hail Gu ard sX = E --- coat Al/Al --- E --- coat Al/C u --- L ou vered Hail Gu ard s50TC5 Table 1 FACTORY--INSTALLED OPTIONS AND FIELD--INSTALLED ACCESSORIESCATEGORYITEMFACTORYINSTALLEDO PTIONFIELDINSTALLEDACCESSORYC abinetThru---the---base electrical connectionsXXCoil OptionsCu/Cu indoor and/or outdoor coils1 XPre---coated outdoor coils1 XPremium, E---coated outdoor coils1 XHumidity ControlHumidi---MiZer Adaptive Dehumidification System( )XCondenser ProtectionCondenser coil hail guard (louvered design)XXControlsThermostats, temperature sensors, and subbasesXPremierLink DDC communicating controllerXXRTU---MP open---protocol controllerXSmoke detector (supply and/or return air)XTime Guard II compressor delay control circuitXPhase MonitorXEconomizers& Outdoor AirDampersEconoMi$er IV (for electro---mechanical controlled RTUs)XXEconoMi$er2 (for DDC controlled RTUs)XXMotorized 2 position outdoor---air damperXXManual outdoor---air damper (25% and 50%)

9 XBarometric relief2 XXPower exhaustXEconomizer Sensors &IAQ DevicesSingle dry bulb temperature sensors3 XXDifferential dry bulb temperature sensors3 XSingle enthalpy sensors3 XXDifferential enthalpy sensors3 XCO2sensor (wall, duct, or unit mounted)3 XXElectric HeatElectric Resistance HeatersXSingle Point KitXIndoor Motor & DriveMultiple motor and drive packagesXLow AmbientControlWinter start kit4 XMotormaster head pressure controller4 XPowerOptionsConvenience outlet (powered)XConvenience outlet (unpowered)XNon---fused disconnectXRoof CurbsRoof curb 14---in (356mm)XRoof curb 24---in (610mm)XNOTES:1. Novation coated coils are only available with Included with Sensors for optimizing See application data for OPTIONS AND/OR ACCESSORIESE conomizer (dry--bulb or enthalpy)Economizers save money.

10 They bring in fresh, outside airfor ventilation; and providecool, outsideair to cool yourbuilding. This is the preferred method of low ambientcooling. When coupled to CO2sensors, Economizers canprovide even more savings by coupling the ventilation airto only that amount are available, installed and tested by thefactory, with either enthalpy or dry--bulb temperatureinputs. There are also models for electromechanical aswell as direct digital controllers. Additional sensors areavailable as accessoriesto optimize the include gravity controlled, barometric reliefwhich equalizes building pressure and ambient airpressures.