Carrier 48TJ016-028 specifications Index

Page 53

Altitude compensation lO

Burner spark gap 44

Carrier Comfort Network@ 17

Changeover

set

points

26

 

Charging chart,

ret_igerant

 

42

Clearance

5, 6

 

 

CO2 sensor

 

 

 

 

Configuration

28

 

 

Settings

27, 29

 

 

Combustion

blower wheel

40

Compressor

 

 

 

 

Lubrication

 

40

 

 

Mounting 31

Rotation 31

Concentric duct 9

Condensate drain

Cleaning 40

Location 9, 10

Condenser coil 7

Cleaning 39

Condenser fan 7

Adjustment 42

Control circuit

Wiring 11

Convenience outlet 12

Crankcase heater .31,43

Demand control ventilation 28'

Dehumidification 29

Dimensions 3-6

Ductwork 9

EconoMiSerlV 23-29

Control mode 25

Controller wiring 24

Demand ventilation control 28

Dry bulb changeover 25

Enthalpy sensor 26

Troubleshooting 4& .52

Usage 25

Wiring 24

EconoMi$er2 23, 24

Electrical connections l]

Electrical data 13

Enthalpy changeover set points 27

Error codes 51

Evaporator coil 7

Cleaning 39

Evaporator fan motor

Lubrication 40

Motor data 36

Mounting 41

Performance 32-34

Pulley adjustnlent 41

Pulley setting 7, 35

Speed 7

Filter

Cleaning 40

Size 8

Filter drier 43

Flue collector box 40

Flue gas passageways 40

Flue hood 9

Freeze protection thermostat 8

Gas connection 8

Gas

input

8

Gas

piping

11

Gas

pressure

1, & 11

Heat anticipator settings 8, 11

High-pressure switch 8, 43

Hinged access doors 44

Horizontal adapter roof curb 2

Humidistat 29

Indoor air quality sensor 17

Integrated gas controller 51

Error codes 51

Liquid propane 10

Ix_w-pressure switch 8, 43

Main burners 40, 43

Manual outdoor air damper 14

INDEX

MoistureMiSer TM

dehumidification 29-31,3.5,42,50

Motormaster@ I control 15 Motormaster V control 16

Mounting

Compressor .31

Unit 2

Natnral gas 8,43

Non-fused disconnect 12 Operating limits 16

Operating sequence 36-38

Cooling 36

EconoMi$erlV 36, 37 EconoMi$er2 with

PremierLink TM control 37, 38'

Heating 36, 37 Outdoor air hocKt 14

Outdoor air temperature sensor 17,25 Outdoor air inlet screens

Cleaning 40

Dimensions 8 Physical data Z 8

Power supply 11

Wiring 11

PmmierLink controls 17-20

Pressure, drop

Economizer 35

MoistureMi$er 35 Pressure switches

High pressure 8

Low pressure 8 Refrigerant

Charge Z 42 Type 7

Refrigerant selwice ports 31

Replacement parts 43 Return air filter & 36

Return air temperature sensor 26

Rigging unit 2, 4 Roof curb

Assembly 2

Dimensions 2, 3

Leveling tolerances 2, 3

Weight 7

Safety considerations 1

Ser_,ice .39-47

Start-up 31-38

Start-up checklist CL-]

Supply-air temperature sensor 17, 25

Thermostat 12

Troubleshooting 48-.52

Weight

Corner .5,,5

EconoMi$erlV 5-7

Maximum 4

Unit 5-7

Wind baffle 15, 16

Wiring

EconoMiSerlV 24

EconoMi$er2 24

Humidistat 30

Non-fused disconnect 12

Power connections l]

PremierLink 18,20

Thermostat 12

Unit 4.5,4'5

53

Image 53
Contents Installation, Start-Up Service Instructions Rig and Place Unit --Do not diop unit Accessory Curb14-3/4 Package no HeightOUTLINEGPUN,T Spreaderbars Detail a DimensionsUnit Base Rail UnitSTD 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 Make Unit Duct Connections -- Unit Install Flue Hood and Wind BaffleTrap Condensate Drain -- See Fig InsideLP Gas Conversion Orifice Change -- This unit is factory asOrifice Quantity TBI VO Ltag EGAS Thermostat Assembly Field Control Thermostat WiringElectrical Data Securing Screws Make Outdoor-Air Inlet Adjust- mentsPanel PANMotormaster I Control Installation Install All Accessories-- Install allMotormaster V Control Package Usage Motormaster V Control InstallationItem Description 48TJ024,028Outputs AdjustFactory-Installed OptionsWnti ELDEcono Motor GrinyelOutdoor AIR Return Application Temperature Sensor Enthalpy33CSENTHSW Differential Enthalpy Control Wiring JIN Unit OutdoorOptional Economiseriv and ECONOMISER2 EconoMiSerlVComponent Locations-- End ViewEconoMi$erlV Wiring EconoMi$erlV Sensor Usage Supply Air Sensor Temperature Resistance ValuesEconomiseriv Standard Sensors ECONOMI$ERIV11t,4 SR117 EconoMi$erlV Controller 002 Sensor Maximum Range SettingAOlI so+Nocv To x l---ff+ TR 002 Sensor Standard Settings Llsv MOISTUREMI$ERLPS TranCrankcase Heater Size 028 and Units with Compressor RotationAirflow Fan Performance --48TJD016 Low Heat UnitsFan Performance --48TJD020 and 024 Low Heat Units Fan Performance --48TJF016 High Heat Units Fan Performance 48TJD028 Low Heat UnitsFan Performance --48TJF028 High Heat Units Fan Performance 48TJF020 and 024 High Heat UnitsAccessory/FlOP Static Pressure In. wg --48TJ020-028 Accessory/FlOP Static PressureFan Rpm at Motor Pulley Settings Air Quantity LimitsOperating Sequence Evaporator-Fan Motor DataEvaporator-Fan Motor Efficiency COOLING, Units with ECONOMISER2, Premier COOLING. Units with ECONOMISER2, PremierHEATING. Unit with ECONOMI$ER2, Premierlink OAT SPTTypical Gas Heating Section Coil Maintenance and Cleaning RecommenLubrication Evaporator Fan Performance AdjustmentCondenser and EVAPORATOR-FAN Motor Manufacturer LubricantMotor Section Evaporator Fan Service and ReplacementFixed Flange SINGLE-GROOVE With BeltCondenser-Fan Adjustment Belt Tension Adjustment --To adjust belt tensionDiagnostic IGC Control LEDs-- The IGC bomd Gas Valve AdjustmentProtective Devices Control Circuit, 24-7--This control circuit is proSee 48TJD016D o,,-PL1o-12 1Oll IOll 1011BKR W/AT AHAUnit Troubleshooting- Refer to Tables 27-29 Cause Remedy Cooling Service AnalysisWill Not Than NormallySubcooler Service Analysis Heating Service AnalysisProblem Cause MoistureMi$er TM DehumidificationEr LOC.rsOFF Valve Motor FaultInputs EconoMi$erlV Input/Output LogicDCV OutputsIndex Service Training Page Model no Serial no Date RETURN-AIR TemperatureSupply Voltage 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.