Carrier 48TJ Series Gas Heater Product Data and Specifications

Page 6

BTD UNIT

UNIT WEIGHT

Ib kg

48TJD,

TJF024 1850 839

48TJ D,

TJF028 2000 907

ECONOMIZER CORNER CORNER CORNER CORNER

DIM A

DIM B

DIM C

WEIGHT

 

A

B

 

 

C

 

D

 

 

 

 

 

 

 

 

 

 

Ib

kg

Ib

kg

Ib

kg

Ib

kg

Ib

kg ft-in,

mm

ft-in,

mm

ft-in,

mm

90

41

443

201

406

184

476

216

525

238

3-2

965

3-5

1041

1-8

508

 

 

 

 

 

 

90

41

471

214

428

194

526

239

574

260

3-2

965

3-8

1041

1-8

508

 

 

 

 

 

 

NOTES:

1.Refer to print for roof curb accessory dimensions.

2.Dimensions in ( ) are in millimeters•

TYPICAL 4 CORNERS

3.

_

Center of Gravity.

4.

E_

Direction of airflow•

5.Ductwork to be attached to accessory roof curb only.

6.Minimum clearance:

Rear: 7'-0" (2134) for coil removal• This dimension can be reduced to 4'-0" (1219) if conditions permit coil removal from the top.

4'-0" (1219) to combustible surfaces, all four sides (includes between units).

Left side: 4'-0" (1219) for proper condenser coil airflow.

Front: 4'-0" (1219) for control box access•

Right side: 4'-0" (1219) for proper operation of damper and power exhaust if so equipped.

Top: 6"-0" (1829) to assure proper condenser fan operation•

Bottom: 14" (356) to combustible surfaces (when not using curb).

Control box side: 3'-0_"(914) to ungrounded surfaces, non-combustible.

Control box side: 3'-6" (1067) to block or concrete walls, or other grounded surfaces•

Local codes or jurisdiction may prevail•

7.With the exception of clearance for the condenser coil and the damper/ power exhaust as stated in Note #6, a removable fence or barricade requires no clearance•

8.Dimensions are from outside of corner post. Allow O'-S/16" (8) on each side for top cover drip edge.

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SECTION A-A

Fig. 5 --Base Unit Dimensions; 48TJ024,028

Image 6
Contents Installation, Start-Up Service Instructions 14-3/4 Accessory CurbRig and Place Unit --Do not diop unit Package no HeightOUTLINEGPUN,T Unit Base Rail DimensionsSpreaderbars Detail a UnitDIM B DIM C Unit Weight STD Unit EconomizerBTD Unit Unit Weight DIM a DIM B DIM C WeightPhysical Data Evaporator FANUnit 48TJ Furnace Section Freeze Protection Thermostat FOUTDOOR-AIR Inlet Screens Trap Condensate Drain -- See Fig Install Flue Hood and Wind BaffleMake Unit Duct Connections -- Unit InsideOrifice Change -- This unit is factory as Orifice QuantityLP Gas Conversion VO Ltag E GASTBI Field Control Thermostat Wiring Thermostat AssemblyElectrical Data Panel Make Outdoor-Air Inlet Adjust- mentsSecuring Screws PANInstall All Accessories-- Install all Motormaster I Control InstallationItem Description Motormaster V Control InstallationMotormaster V Control Package Usage 48TJ024,028AdjustFactory-Installed Options OutputsEcono Motor ELDWnti GrinyelApplication Temperature Sensor Enthalpy Outdoor AIR Return33CSENTHSW Differential Enthalpy Control Wiring Outdoor JIN UnitEconoMiSerlVComponent Locations-- End View Optional Economiseriv and ECONOMISER2EconoMi$erlV Wiring Economiseriv Standard Sensors Supply Air Sensor Temperature Resistance ValuesEconoMi$erlV Sensor Usage ECONOMI$ERIV11t,4 EconoMi$erlV Controller 002 Sensor Maximum Range Setting AOlI so+NocvSR117 To x l---ff+ TR 002 Sensor Standard Settings LPS MOISTUREMI$ERLlsv TranCompressor Rotation Crankcase Heater Size 028 and Units withFan Performance --48TJD016 Low Heat Units Fan Performance --48TJD020 and 024 Low Heat UnitsAirflow Fan Performance 48TJD028 Low Heat Units Fan Performance --48TJF016 High Heat UnitsFan Performance 48TJF020 and 024 High Heat Units Fan Performance --48TJF028 High Heat UnitsFan Rpm at Motor Pulley Settings Accessory/FlOP Static PressureAccessory/FlOP Static Pressure In. wg --48TJ020-028 Air Quantity LimitsEvaporator-Fan Motor Data Evaporator-Fan Motor EfficiencyOperating Sequence COOLING. Units with ECONOMISER2, Premier COOLING, Units with ECONOMISER2, PremierOAT SPT HEATING. Unit with ECONOMI$ER2, PremierlinkCoil Maintenance and Cleaning Recommen Typical Gas Heating SectionCondenser and EVAPORATOR-FAN Motor Evaporator Fan Performance AdjustmentLubrication Manufacturer LubricantFixed Flange SINGLE-GROOVE Evaporator Fan Service and ReplacementMotor Section With BeltBelt Tension Adjustment --To adjust belt tension Condenser-Fan AdjustmentProtective Devices Gas Valve AdjustmentDiagnostic IGC Control LEDs-- The IGC bomd Control Circuit, 24-7--This control circuit is pro48TJD016 SeeD o,,-PL1o-12 1011 1Oll IOllAHA BKR W/ATUnit Troubleshooting- Refer to Tables 27-29 Will Not Cooling Service AnalysisCause Remedy Than NormallyProblem Cause Heating Service AnalysisSubcooler Service Analysis MoistureMi$er TM DehumidificationMotor Fault Er LOC.rsOFF ValveDCV EconoMi$erlV Input/Output LogicInputs OutputsIndex Service Training Page Supply Voltage RETURN-AIR TemperatureModel no Serial no Date Compressor Amps Supply FAN Amps Exhaust FAN Amps

48TJ016-028 specifications

The Carrier 48TJ016-028 is a notable model in the range of packaged rooftop units designed by Carrier, a leader in heating, ventilation, and air conditioning (HVAC) solutions. Tailored specifically for commercial applications, these units provide a blend of efficiency, durability, and reliability, making them suitable for a variety of settings, including offices, retail spaces, and industrial environments.

One of the standout features of the 48TJ series is its energy-efficient performance. Equipped with high-efficiency scroll compressors, these units offer superior cooling capacity while minimizing energy consumption. This aligns with modern sustainability goals, helping businesses reduce their carbon footprint and operational costs. Additionally, the 48TJ units comply with stringent industry standards, such as the ASHRAE 90.1 energy efficiency guidelines, ensuring that users receive a product that meets modern energy performance benchmarks.

The 48TJ016-028 units also include advanced technologies that enhance performance and user comfort. The inclusion of a sophisticated microprocessor control system facilitates precise temperature regulation, allowing for an optimal balance of cooling and heating based on real-time conditions. Moreover, the user-friendly controls make it easy for facility managers to monitor system performance and make adjustments as necessary.

Another notable characteristic of the 48TJ series is its flexible installation options. These rooftop units are designed for easy integration into existing building structures and can be installed on flat or pitched roofs. Their compact design and lightweight construction simplify the installation process while minimizing structural impacts on buildings.

Durability is paramount in the design of the 48TJ units as well. The cabinets are constructed from high-quality materials with corrosion-resistant coatings, ensuring a long lifespan even in harsh environmental conditions. The systems are also equipped with robust insulation to reduce sound levels and improve overall operating efficiency.

Furthermore, the Carrier 48TJ016-028 units offer various options for customization. Users can choose from different airflow configurations, heating options, and accessories, allowing for tailored solutions that meet specific requirements. Whether you are looking for a unit with enhanced filtration, economizer capabilities, or advanced humidity control, the 48TJ series provides the flexibility needed for diverse applications.

In summary, the Carrier 48TJ016-028 units deliver a compelling combination of energy efficiency, advanced technology, and robust construction, making them an ideal choice for commercial HVAC needs. With their versatile features and customizable options, they stand out as reliable solutions for maintaining comfortable indoor environments.