Carrier 48AJ installation instructions 040

Page 27

Table 8B — Electrical Data — 48AJ,AK,AW,AY Units with Convenience Outlet (cont)

UNIT

 

VOLTAGE

 

 

COMPRESSOR

 

 

CONDENSER

EVAPORATOR

POWER

CONVENIENCE

POWER SUPPLY

VOLTAGE

RANGE

Cir A, No. 1

Cir A, No. 2

Cir B, No. 1

Cir B, No. 2

FAN MOTOR

FAN MOTOR

EXHAUST

OUTLET

 

 

SIZE

3 PH, 60 Hz

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

48A

Min

Max

RLA

LRA

RLA

LRA

RLA

LRA

RLA

LRA

Qty

FLA

Hp

FLA

FLA (total)

FLA

MCA

Fuse or

 

 

HACR Brkr*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

46.2

7.0

210.6

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

234.2

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

25.6

190

25.6

190

34.3

265

34.3

265

2

6.5

20

59.4

7.0

227.1

250

 

(ea)

23.6

7.0

250.7

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

74.8

7.0

246.3

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

269.9

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

42.0

7.0

205.7

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

229.3

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

25.6

190

25.6

190

34.3

265

34.3

265

2

6.6

20

54.0

7.0

220.7

250

 

(ea)

23.6

7.0

244.3

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

68.0

7.0

238.2

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

261.8

300

040

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

21.0

3.5

102.0

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

3.5

114.6

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

13.5

95

13.5

95

16.0

120

16.0

120

2

3.3

20

27.0

3.5

109.5

125

 

(ea)

12.6

3.5

122.1

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

34.0

3.5

118.2

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

3.5

130.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

17.0

2.5

80.4

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

2.5

90.0

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

10.2

75

10.2

75

12.9

80

12.9

80

2

2.6

20

22.0

2.5

86.6

100

 

(ea)

9.6

2.5

96.2

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

27.0

2.5

92.9

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

2.5

102.5

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

46.2

7.0

210.6

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

234.2

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

25.6

190

25.6

190

34.3

265

34.3

265

4

6.5

20

59.4

7.0

227.1

250

 

(ea)

23.6

7.0

250.7

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

74.8

7.0

246.3

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

269.9

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

42.0

7.0

205.7

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

229.3

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

25.6

190

25.6

190

34.3

265

34.3

265

4

6.6

20

54.0

7.0

220.7

250

 

(ea)

23.6

7.0

244.3

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

68.0

7.0

238.2

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

261.8

300

041

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

21.0

3.5

102.0

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

3.5

114.6

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

13.5

95

13.5

95

16

120

16

120

4

3.3

20

27.0

3.5

109.5

125

 

(ea)

12.6

3.5

122.1

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

34.0

3.5

118.2

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

3.5

130.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

17.0

2.5

80.4

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

2.5

90.0

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

10.2

75

10.2

75

12.9

80

12.9

80

4

2.6

20

22.0

2.5

86.6

100

 

(ea)

9.6

2.5

96.2

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

27.0

2.5

92.9

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

2.5

102.5

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

59.0

7.0

257.2

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

280.8

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

34.3

265

34.3

265

34.3

265

47

380

4

6.5

25

75.0

7.0

276.4

350

 

(ea)

23.6

7.0

300.0

350

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

88.0

7.0

292.9

350

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

316.5

400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

54.0

7.0

250.8

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

274.4

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

34.3

265

34.3

265

34.3

265

47

380

4

6.6

25

68.0

7.0

268.3

300

 

(ea)

23.6

7.0

291.9

350

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

80.0

7.0

283.3

350

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

7.0

306.9

350

050

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

27.0

3.5

120.9

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

3.5

133.5

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

16

120

16

120

16

120

22.4

175

4

3.3

25

34.0

3.5

129.6

150

 

(ea)

12.6

3.5

142.2

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

40.0

3.5

137.1

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

3.5

149.7

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

22.0

2.5

97.7

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

2.5

107.3

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

12.9

80

12.9

80

12.9

80

18.6

140

4

2.6

25

27.0

2.5

104.0

125

 

(ea)

9.6

2.5

113.6

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

30

32.0

2.5

110.2

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

2.5

119.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Legend and Notes on page 28.

27

Image 27
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 InformationUnit Operating Weights Option and Accessory WeightsConstant Volume Fan Motor Weights Air Distribution Thru-the-Bottom Evaporator Fan Motor DataA48-3714 Install Flue HoodA48-3712 A48-3823Make Electrical Connections 48A Series Staged Gas ControlA48-2524 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 AdjustmentsA48-8499 48-110448-1105 A48-4328Route VAV Static Pressure Sensors A48-8244A48-3808 Pressure Transducer Locations Field ModificationsA48-8245 Side Return Air Conversion
Related manuals
Manual 118 pages 46.64 Kb

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.