Carrier 48AJ installation instructions 48A Min Max

Page 22

Table 8A — Electrical Data — 48AJ,AK,AW,AY Units without Convenience Outlet (cont)

UNIT

VOLTAGE

VOLTAGE

 

 

 

COMPRESSOR

 

 

 

CONDENSER

EVAPORATOR

POWER

POWER SUPPLY

SIZE

RANGE

Cir A, No. 1

Cir A, No. 2

Cir B, No. 1

Cir B, No. 2

FAN MOTOR

FAN MOTOR

EXHAUST

3 PH, 60 Hz

 

 

48A

 

Min

Max

RLA

LRA

RLA

 

LRA

RLA

 

LRA

RLA

LRA

Qty

FLA

Hp

FLA

FLA (total)

MCA

MOCP*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

30.8

141.1

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

164.7

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

23

184

23

 

184

21.8

 

184

21.8

184

2

6.5

15

46.2

160.4

200

 

 

 

(ea)

23.6

184.0

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

59.4

176.9

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

200.5

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

28.0

137.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

161.4

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

23

184

23

 

184

21.8

 

184

21.8

184

2

6.6

15

42.0

155.3

175

 

 

 

(ea)

23.6

178.9

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

54.0

170.5

200

030

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

193.9

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

14.0

66.5

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

79.1

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

10.2

90

10.2

 

90

11

 

90

11

90

2

3.3

15

21.0

75.3

90

 

 

 

(ea)

12.6

87.9

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

27.0

82.8

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

95.4

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

11.0

55.0

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

68.0

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

9

73

9

 

73

9

 

73

9

73

2

2.6

15

17.0

62.5

70

 

 

 

(ea)

12.6

75.1

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

22.0

68.7

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

81.3

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

46.2

169.4

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

193.6

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

21.8

184

25.6

 

190

25.6

 

190

25.6

190

2

6.5

20

59.4

185.9

225

 

 

 

(ea)

23.6

209.5

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

74.8

205.1

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

228.7

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

42.0

164.3

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

187.9

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

21.8

184

25.6

 

190

25.6

 

190

25.6

190

2

6.6

20

54.0

179.3

225

 

 

 

(ea)

23.6

202.9

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

68.0

196.8

250

035

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

220.4

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

21.0

84.4

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

97.0

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

11

90

13.5

 

95

13.5

 

95

13.5

95

2

3.3

20

27.0

91.9

110

 

 

 

(ea)

12.6

104.5

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

34.0

100.6

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

113.2

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

17.0

66.1

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

78.7

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

9

73

10.2

 

75

10.2

 

75

10.2

75

2

2.6

20

22.0

72.3

90

 

 

 

(ea)

12.6

84.9

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

27.0

78.6

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

91.2

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

46.2

182.4

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

206.0

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

21.8

184

25.6

 

190

25.6

 

190

25.6

190

4

6.5

20

59.4

198.9

250

 

 

 

(ea)

23.6

222.5

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

74.8

218.1

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

241.7

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

42.0

177.5

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

201.1

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

21.8

184

25.6

 

190

25.6

 

190

25.6

190

4

6.6

20

54.0

192.5

225

 

 

 

(ea)

23.6

216.1

250

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

68.0

210.0

250

036

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

233.6

300

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

21.0

91.0

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

103.6

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

11

90

13.5

 

95

13.5

 

95

13.5

95

4

3.3

20

27.0

98.5

125

 

 

 

(ea)

12.6

111.1

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

34.0

107.2

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

119.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

17.0

71.3

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

80.9

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

9

73

10.2

 

75

10.2

 

75

10.2

75

4

2.6

20

22.0

77.5

90

 

 

 

(ea)

9.6

87.1

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

25

27.0

83.8

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

93.4

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Legend and Notes on page 24.

22

Image 22
Contents Installation Instructions Make Unit Duct Connections Instructions onRoof Curb 48AJ,AK020-035 Units Roof Curb 48AJ,AK036-050 Units Roof Curb 48AJ,AK051 and 060 Units Base Unit Dimensions 48AJ,AK020-035 A48-8235Base Unit Dimensions 48AJ,AK036-050 A48-8236Base Unit Dimensions 48AJ,AK051 Base Unit Dimensions 48AW,AY020-035 A48-8380Base Unit Dimensions 48AW,AY036-050 Base Unit Dimensions 48AW,AY051 A48-8240Center of Gravity and Weights 48AJ,AK,AW,AY051,060 A50-8102Physical Data 48AJ,AK,AW,AY Units Compressor035 036 040 041 Nominal Capacity tons 050 051 060 Nominal Capacity tons Rigging Information A48-8246Option and Accessory Weights Unit Operating WeightsConstant Volume Fan Motor Weights Evaporator Fan Motor Data Air Distribution Thru-the-BottomA48-3823 Install Flue HoodA48-3712 A48-371448A Series Staged Gas Control Make Electrical ConnectionsA48-2524 Unit Voltage 48A Min Max 46.2 203.6 225 Unbalanced 3-Phase Supply Voltage Electrical Data 48AJ,AK,AW,AY Units with Convenience Outlet FLA MCA030 040 Hacr Size Stage A48-8243 A48-6854CCN Connection Approved Shield Cable Color Code RecommendationsMake Outdoor-Air Inlet Adjustments Adding Seal Strip to Top of Hood SidesA48-4328 48-110448-1105 A48-8499A48-8244 Route VAV Static Pressure SensorsA48-3808 Field Modifications Pressure Transducer LocationsSide Return Air Conversion A48-8245
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.