Table 20 --Air Quantity Limits

UNIT

MINIMUM

MINIMUM

MAXIMUM

HEATING

CFM

COOLING

48TJ

CFM

CFM

Low Heat

High Heat

 

 

 

 

 

016

4500

3800

3800

7,500

020

5400

4750

5450

9,000

024

6000

4750

5450

10,000

028

7000

4750

5450

11,250

Table 21 -- Accessory/FlOP Static Pressure*

(in. wg) -- 48TJ016

COMPONENT4500 5000 CFM6000 7200 7500

Economizer0.04 0.05 0.07 0.09 0.10

LEGEND

FlOP -- Factory-Installed Option

*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm should then be used in conjunction with the Fan Per- formance tables to determine blower rpm and watts.

Table 22 --Accessory/FlOP Static Pressure*

(in. wg) --48TJ020-028

CFM

COMPONENT 5000 6000 7200 9000 10,000 I 11,250

Economizer 0.06 0.07 0.09 0.11 0.12 I 0.14

LEGEND

FlOP -- Factory-Installed Option

*The static pressure must be added to external static pressure, The sum and the evaporator entering-air cfm should then be used in conjunction with the Fan Perfor- mance tables to determine blower rpm and watts.

Table 23 --MoistureMi$er TM Dehumidification

Package Static Pressure Drop (in. wg)

UNIT SIZE

UNIT NOMINAL

 

CFM PER TON

 

TONS

300

4OO

500

 

48TJ016

15

.040

.071

.111

48TJ020

18

.058

.102

.160

48TJ024

2O

.071

.126

.197

48TJ028

25

.111

.197

.308

Table 24 --Fan Rpm at Motor Pulley Settings*

 

 

UNIT

 

 

 

 

 

 

 

 

 

MOTOR

PULLEY

TURNS

OPEN

 

 

 

 

 

 

48TJ

 

 

 

 

0

lr2

1

11/2

2

2112

3

31/2

4

41/2

5

5112

6

016

(208/230,

460 v)t

 

tt

tt

1179

1150

1121

1093

1064

1035

1006

978

949

920

891

016

(208/230,

460

v)**

1-t

1-t

1559

1522

1488

1455

1422

1389

1356

1323

1289

1256

1227

 

016

(575 v)l"

 

 

1-t

1-t

1429

1403

1376

1349

1323

1296

1269

1242

1215

1188

1159

 

 

0201"

 

 

 

 

1-t

1-t

1095

1077

1058

1040

1021

1002

984

965

947

928

910

 

 

020**

 

 

 

 

tt

1-t

1287

1265

1243

1222

1200

1178

1156

1134

1112

1091

1069

 

 

0241"

 

 

 

 

1-t

1-t

1225

1209

1187

1165

1143

1120

1098

1076

1053

1031

1002

 

 

024**

 

 

 

 

tt

1-t

1456

1434

1407

1381

1354

1326

1301

1275

1246

1222

1193

 

 

0281"

 

 

 

 

1-t

1-t

1283

1269

1247

1225

1203

1182

1160

1136

1116

1095

1066

 

 

028**

 

 

 

 

1-t

1-t

tl-

tl-

1551

1524

1497

1470

1443

1415

1386

1361

1332

*Approximate

fan rpm

shown.

 

 

 

 

 

NOTE: For

speeds

not listed

above,

field-supplied

drives are

l-Indicates standard

drive

package,

 

 

 

 

required.

 

 

 

 

 

 

**Indicates alternate

drive

package.

 

 

 

 

 

 

 

 

 

 

 

 

ttDue to belt and pulley size, pulley cannot be set to this number of turns open.

35

Page 35
Image 35
Carrier 48TJ016-028 specifications Air Quantity Limits, Accessory/FlOP Static Pressure, Fan Rpm at Motor Pulley Settings

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.