Carrier 48AJ installation instructions Unit Operating Weights, Option and Accessory Weights

Page 17

Table 2 — Unit Operating Weights

UNIT

 

 

 

 

BASE UNIT WEIGHTS — lb

 

 

 

 

020

025

027

030

035

036

040

041

050

051

060

 

48AJ/AK Low Heat

3842

3915

4032

4182

4435

4815

4975

5091

5446

7224

7388

48AJ/AK High Heat

3922

3995

4112

4262

4595

4975

5135

5251

5606

7464

7628

48AW/AY Low Heat

3882

3955

4072

4222

4475

4855

5015

5131

5486

7264

7428

48AW/AY High Heat

3962

4035

4152

4302

4635

5015

5175

5291

5646

7514

7678

Table 3 — Option and Accessory Weights

OPTION/

 

 

 

OPTION/ACCESSORY WEIGHTS — lb

 

 

 

ACCESSORY

020

 

025

027

 

030

035

036

040

041

 

050

051

060

Barometric Relief

300

 

300

300

 

300

300

300

300

300

 

300

450

450

Power Exhaust

450

 

450

450

 

450

450

450

450

450

 

450

675

675

Mod. Power Exhaust

500

 

500

500

 

500

500

500

500

500

 

500

725

725

Cu Tubing/Cu Fin Condenser Coil

220

 

220

220

 

220

285

380

285

380

 

380

651

651

Outdoor Air Hood Crate and Packaging

45

 

45

45

 

45

45

45

45

45

 

45

45

45

(Less Hoods' Weight)

 

(Packaging Only)

 

 

 

(Packaging Only)

 

 

Outdoor Air Hoods/Filters

170

 

170

170

 

170

170

170

170

170

 

170

255

255

Hail Guard

73

 

73

73

 

73

73

146

146

146

 

146

219

219

Roof Curb (14-in.)

365

 

365

365

 

365

410

410

410

410

 

410

540

585

Table 4 — Constant Volume Fan Motor Weights

Table 5 — Variable Volume Fan Motor Weights

CV MOTOR WEIGHTS — lb

MOTOR

UNIT

HIGH

PREMIUM

EFFICIENCY

EFFICIENCY

HP

VOLTAGE

IFM

IFM

 

 

5

230/460

78

94

575

78

92

 

10

230/460

118

164

575

118

156

 

15

230/460

150

217

575

150

220

 

20

230/460

212

250

575

212

258

 

25

230/460

240

309

575

240

319

 

30

230/460

283

355

575

283

359

 

40

230/460

372

415

575

372

410

 

VAV MOTOR WEIGHTS — lb

MOTOR

UNIT

HIGH

PREMIUM

EFFICIENCY

EFFICIENCY

HP

VOLTAGE

IFM

IFM

 

 

5

230/460

125

141

575

163

177

 

10

230/460

204

250

575

204

242

 

15

230/460

238

305

575

240

310

 

20

230/460

348

386

575

304

350

 

25

230/460

377

446

575

375

454

 

30

230/460

480

552

575

418

494

 

40

230/460

637

680

575

587

625

 

 

 

 

LEGEND AND NOTES FOR TABLES 2-5

 

 

LEGEND

NOTES:

Cu

Copper

1. Base unit weight includes outdoor-air hoods. Base unit weight

does NOT include indoor-fan motor. ADD indoor-fan motor,

CV

Constant Volume

FIOPs, and accessories for TOTAL operating weight.

FIOP — Factory-Installed Option

2. The VAV motor weights include indoor fan motor and the VFD

HP

Horsepower

(variable frequency drive), VFD transducers, and associated

IFM

Indoor Fan Motor

wiring.

VAV

Variable Air Volume

 

VFD

Variable Frequency Drive

 

17

Image 17
Contents Installation Instructions Instructions on Make Unit Duct ConnectionsRoof Curb 48AJ,AK020-035 Units Roof Curb 48AJ,AK036-050 Units Roof Curb 48AJ,AK051 and 060 Units A48-8235 Base Unit Dimensions 48AJ,AK020-035A48-8236 Base Unit Dimensions 48AJ,AK036-050Base Unit Dimensions 48AJ,AK051 A48-8380 Base Unit Dimensions 48AW,AY020-035Base Unit Dimensions 48AW,AY036-050 A48-8240 Base Unit Dimensions 48AW,AY051A50-8102 Center of Gravity and Weights 48AJ,AK,AW,AY051,060Compressor Physical Data 48AJ,AK,AW,AY Units035 036 040 041 Nominal Capacity tons 050 051 060 Nominal Capacity tons A48-8246 Rigging InformationConstant Volume Fan Motor Weights Unit Operating WeightsOption and Accessory Weights Air Distribution Thru-the-Bottom Evaporator Fan Motor DataA48-3712 Install Flue HoodA48-3823 A48-3714A48-2524 Make Electrical Connections48A Series Staged Gas Control Unit Voltage 48A Min Max 46.2 203.6 225 Unbalanced 3-Phase Supply Voltage FLA MCA Electrical Data 48AJ,AK,AW,AY Units with Convenience Outlet030 040 Hacr Size Stage A48-6854 A48-8243Color Code Recommendations CCN Connection Approved Shield CableAdding Seal Strip to Top of Hood Sides Make Outdoor-Air Inlet Adjustments48-1105 48-1104A48-4328 A48-8499A48-3808 Route VAV Static Pressure SensorsA48-8244 Pressure Transducer Locations Field ModificationsA48-8245 Side Return Air Conversion
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48AJ specifications

The Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY024-068 are cutting-edge rooftop air conditioning units designed for commercial applications. These models are renowned for their reliability, energy efficiency, and innovative technologies aimed at providing optimal indoor comfort.

One of the standout features of these units is their advanced cooling and heating capabilities. They employ a multi-stage compressor system that allows for precise temperature control, accommodating various load requirements. This flexibility is particularly beneficial in commercial settings where the cooling load can fluctuate throughout the day.

Energy efficiency is paramount in today’s environmental landscape, and Carrier has ensured that these models meet stringent efficiency standards. They incorporate high-efficiency scroll compressors, which significantly reduce energy consumption while delivering powerful performance. The units are also equipped with variable speed fans that adjust airflow based on demand, further optimizing energy use.

In terms of construction, these rooftop units feature a robust design that enhances durability and longevity. The cabinet is constructed to withstand harsh weather conditions, ensuring reliable performance year-round. Additionally, the units are equipped with corrosion-resistant coatings, particularly useful in coastal environments where salt exposure can be a concern.

The Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY models utilize advanced controls and connectivity features, allowing for easy integration into building management systems. This connectivity enables remote monitoring and control, facilitating quick response to changing conditions and simplifying maintenance tasks.

Noise reduction is another key characteristic of these models. They are designed with sound-absorbing insulation and low-noise fan blades to ensure quiet operation, making them suitable for noise-sensitive environments such as schools and hospitals.

These units are also available with various options for air filtration and dehumidification. The use of high-efficiency air filters enhances indoor air quality by trapping dust, pollen, and other airborne particles. Enhanced dehumidification capabilities ensure that spaces remain comfortable even in humid conditions.

In conclusion, the Carrier 48EJ, 48AW, 48EK, 48AJ, and 48EY024-068 rooftop units are engineered to offer exceptional performance, energy efficiency, and durability. With their advanced technologies and user-friendly features, they stand out as reliable solutions for meeting diverse commercial cooling and heating needs, making them a popular choice for many businesses.