Carrier 48AJ installation instructions Unit Voltage

Page 21

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

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*

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

16.7

104.5

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

128.1

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

23

184

23

 

184

23

 

184

2

6.5

10

30.8

120.5

150

 

 

 

(ea)

23.6

144.1

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

46.2

139.8

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

163.4

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

15.2

103.2

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

126.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

23

184

23

 

184

23

 

184

2

6.6

10

28.0

117.2

125

 

 

 

(ea)

23.6

140.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

42.0

134.7

175

020

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

158.3

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

7.6

47.4

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

60.0

70

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

10.2

90

10.2

 

90

10.2

 

90

2

3.3

10

14.0

54.7

60

 

 

 

(ea)

12.6

67.3

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

21.0

63.5

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

76.1

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

6.1

40.6

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

50.2

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

9

73

9

 

73

9

 

73

2

2.6

10

11.0

46.0

50

 

 

 

(ea)

9.6

55.6

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

17.0

53.5

70

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

63.1

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

16.7

109.1

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

132.7

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

21.8

184

25.6

 

190

25.6

 

190

2

6.5

10

30.8

124.5

150

 

 

 

(ea)

23.6

148.1

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

46.2

143.8

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

167.4

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

15.2

107.8

125

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

131.4

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

21.8

184

25.6

 

190

25.6

 

190

2

6.6

10

28.0

121.2

125

 

 

 

(ea)

23.6

144.8

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

42.0

138.7

175

025

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

162.3

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

7.6

55.6

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

68.2

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

11

90

13.5

 

95

13.5

 

95

2

3.3

10

14.0

62.1

70

 

 

 

(ea)

12.6

74.7

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

21.0

70.9

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

83.5

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5

6.1

43.3

50

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

52.9

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

9

73

10.2

 

75

10.2

 

75

2

2.6

10

11.0

48.4

50

 

 

 

(ea)

9.6

58.0

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

17.0

55.9

70

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9.6

65.5

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

30.8

128.3

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

151.9

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

208

187

229

25.6

190

25.6

 

190

25.6

 

190

2

6.5

15

46.2

147.6

175

 

 

 

(ea)

23.6

171.2

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

59.4

164.1

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

187.7

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

28.0

125.0

150

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

148.6

175

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

230

207

253

25.6

190

25.6

 

190

25.6

 

190

2

6.6

15

42.0

142.5

175

 

 

 

(ea)

23.6

166.1

200

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

54.0

157.5

200

027

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

23.6

181.1

225

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

14.0

64.6

70

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

77.2

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

460

414

508

13.5

95

13.5

 

95

13.5

 

95

2

3.3

15

21.0

73.4

90

 

 

 

(ea)

12.6

86.0

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

27.0

80.9

100

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

93.5

110

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10

11.0

49.6

60

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

62.6

70

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

10.2

75

10.2

 

75

10.2

 

75

2

2.6

15

17.0

57.1

70

 

 

 

(ea)

12.6

69.7

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

20

22.0

63.3

80

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12.6

75.9

90

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See Legend and Notes on page 24.

21

Image 21
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 DataA48-3712 Install Flue HoodA48-3823 A48-3714Make 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 Adjustments48-1105 48-1104A48-4328 A48-8499Route 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.