Carrier 48TJ016-028 specifications EconoMiSerlVComponent Locations-- End View

Page 23

OPTIONAL ECONOMISERIV AND ECONOMISER2 --

See Fig. 32 and 33 for EconoMiSerIV component locations. See Fig. 34 for EconoMi$er2 component locations.

NOTE: These instructions are for installing the optional

EconoMiSerIV and EconoMiSer2 only. Refer to the accessory

EconoMiSerIV or EconoMiSer2 installation instructions when

field installing an EconoMi$erIV or EconoMiSer2 accessory. To complete inst_fllation of the optional EconoMiSerIV. per-

form the following procedure.

1.Remove the EconoMiSerIV hood. Refer to Step 11 -- In-

stall Outdoor-Air Hood on page 14 for information on removing and installing the outdoor-air hood.

2.Relocate outdoor air temperature sensor from shipping

position to operation position on EconoMiSerIV. See Fig. 32.

I theMPORTANT:EconoMiSerIVFailurenot operatingto relocate properlythe sensor. will result in

OUTDOOR AIR

TEMPERATURE SENSOR

SCREWS ECONOMI$ERIV FRAME SCREWS (INSTALLED OPERATION IUb'

POSITION)

LOW TEMPERATURE

COMPRESSOR

LOCKOUT SWITCH

Fig. 32--EconoMiSerlVComponent Locations-- End View

SUPPLY AIR

TEMPERATURE SENSOR

LOCATION

ECONOMI$ERIV

FLANGE

(HIDDEN)

[

Fig. 33 -- EconoMi$erlV Component Locations-

Side View

3.Reinstall economizer hood.

4.Install _dl EconoMiSerIV accessories. EconoMiSerlV wiring is shown in Fig. 35. EconoMi$er2 wiring is shown in Fig. 36.

Outdoor air leakage is shown in Table 9. Return air pressure drop is shown in Table 10.

Table 9 --Outdoor Air Damper Leakage

DAMPER STATIC PRESSURE (in. wg)

0.2 0.4 0.6 0.8 1.0 1.2

LEAKAGE (cfm) 35 53 65 75 90 102

Table 10 --Return Air Pressure Drop (in. wg)

CFM

4500 5000 5400 6000 7200 7500 9000 10,000 11,250

0.040 0.050 0.060 0.070 0.090 0.100 0.110 0.120 0.140

FRAME

ECONOMISER2

SCREWS

SCREWS.

 

/

 

 

i_

u

/J

7

j

N2

Fig. 34- EconoMi$er2 Component Locations

23

Image 23
Contents Installation, Start-Up Service Instructions Package no Height Accessory CurbRig and Place Unit --Do not diop unit 14-3/4OUTLINEGPUN,T Unit DimensionsSpreaderbars Detail a Unit Base RailSTD Unit Economizer DIM B DIM C Unit WeightDIM a DIM B DIM C Weight BTD Unit Unit WeightEvaporator FAN Physical DataOUTDOOR-AIR Inlet Screens Unit 48TJ Furnace SectionFreeze Protection Thermostat F Inside Install Flue Hood and Wind BaffleMake Unit Duct Connections -- Unit Trap Condensate Drain -- See FigLP Gas Conversion Orifice Change -- This unit is factory asOrifice Quantity TBI VO Ltag EGAS Thermostat Assembly Field Control Thermostat WiringElectrical Data PAN Make Outdoor-Air Inlet Adjust- mentsSecuring Screws PanelMotormaster I Control Installation Install All Accessories-- Install all48TJ024,028 Motormaster V Control InstallationMotormaster V Control Package Usage Item DescriptionOutputs AdjustFactory-Installed OptionsGrinyel ELDWnti Econo MotorOutdoor AIR Return Application Temperature Sensor Enthalpy33CSENTHSW Differential Enthalpy Control Wiring JIN Unit OutdoorOptional Economiseriv and ECONOMISER2 EconoMiSerlVComponent Locations-- End ViewEconoMi$erlV Wiring ECONOMI$ERIV Supply Air Sensor Temperature Resistance ValuesEconoMi$erlV Sensor Usage Economiseriv Standard Sensors11t,4 SR117 EconoMi$erlV Controller 002 Sensor Maximum Range SettingAOlI so+Nocv To x l---ff+ TR 002 Sensor Standard Settings Tran MOISTUREMI$ERLlsv LPSCrankcase Heater Size 028 and Units with Compressor RotationAirflow Fan Performance --48TJD016 Low Heat UnitsFan Performance --48TJD020 and 024 Low Heat Units Fan Performance --48TJF016 High Heat Units Fan Performance 48TJD028 Low Heat UnitsFan Performance --48TJF028 High Heat Units Fan Performance 48TJF020 and 024 High Heat UnitsAir Quantity Limits Accessory/FlOP Static PressureAccessory/FlOP Static Pressure In. wg --48TJ020-028 Fan Rpm at Motor Pulley SettingsOperating Sequence Evaporator-Fan Motor DataEvaporator-Fan Motor Efficiency COOLING, Units with ECONOMISER2, Premier COOLING. Units with ECONOMISER2, PremierHEATING. Unit with ECONOMI$ER2, Premierlink OAT SPTTypical Gas Heating Section Coil Maintenance and Cleaning RecommenManufacturer Lubricant Evaporator Fan Performance AdjustmentLubrication Condenser and EVAPORATOR-FAN MotorWith Belt Evaporator Fan Service and ReplacementMotor Section Fixed Flange SINGLE-GROOVECondenser-Fan Adjustment Belt Tension Adjustment --To adjust belt tensionControl Circuit, 24-7--This control circuit is pro Gas Valve AdjustmentDiagnostic IGC Control LEDs-- The IGC bomd Protective DevicesSee 48TJD016D o,,-PL1o-12 1Oll IOll 1011BKR W/AT AHAUnit Troubleshooting- Refer to Tables 27-29 Than Normally Cooling Service AnalysisCause Remedy Will NotMoistureMi$er TM Dehumidification Heating Service AnalysisSubcooler Service Analysis Problem CauseEr LOC.rsOFF Valve Motor FaultOutputs EconoMi$erlV Input/Output LogicInputs DCVIndex Service Training Page Compressor Amps Supply FAN Amps Exhaust FAN Amps RETURN-AIR TemperatureModel no Serial no Date Supply Voltage

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.