Carrier 48MA/50ME016-040 specifications Unit 50ME Electrical Data

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Table 3 Ð Unit 50ME Electrical Data

UNIT

VOLTAGE

VOLTAGE

COMP

COMP

 

OFM

 

 

IFM

POWER

RANGE

NO. 1

NO. 2

 

FLA

 

 

SUPPLY

50ME

(3 Ph, 60 Hz)

 

 

 

 

 

Min

Max

RLA

LRA

RLA

LRA

No. 1

No. 2

No. 3

Hp

 

FLA

MCA

MOCP

 

 

 

 

208/230

187

254

63.6

266

 

 

 

6.6

 

 

 

16.2

109.6

125

016

460

414

508

28.6

120

Ð

Ð

6.2

3.0

Ð

5

 

6.6

49.5

60

 

575

518

632

22.8

96

 

 

 

2.4

 

 

 

5.6

39.6

45

 

208/230

187

254

44.4

170

44.4

170

 

6.6

 

 

 

24.2

138.0

150

024

460

414

508

19.9

77

19.9

77

6.2

3.0

Ð

7.5

 

11.0

61.9

70

 

575

518

632

15.7

62

15.7

62

 

2.4

 

 

 

9.0

49.2

60

 

208/230

187

254

63.6

266

44.4

170

 

6.6

 

 

 

30.8

168.9

200

028

460

414

508

28.6

120

19.9

77

6.2

3.0

Ð

10

 

13.0

75.8

90

 

575

518

632

22.8

96

15.7

62

 

2.4

 

 

 

10.5

60.2

70

 

208/230

187

254

63.6

266

63.6

266

 

6.6

 

 

 

30.8

188.0

200

030

460

414

508

28.6

120

28.6

120

6.2

3.0

Ð

10

 

13.0

84.5

100

 

575

518

632

22.8

96

22.8

96

 

2.4

 

 

 

10.5

67.3

90

 

208/230

187

254

63.6

266

63.6

266

 

6.6

6.6

15

 

46.0

210.8

225

 

 

20

 

61.0

224.6

250

 

 

 

 

 

 

 

 

 

 

 

 

034

460

414

508

28.6

120

28.6

120

6.2

3.0

3.0

15

 

19.8

94.5

100

20

 

26.6

100.5

125

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

22.8

96

22.8

96

 

2.4

2.4

15

 

16.0

75.6

90

 

 

20

 

21.3

80.6

100

 

 

 

 

 

 

 

 

 

 

 

 

 

208/230

187

254

80.0

345

80.0

345

 

6.6

6.6

15

 

46.2

247.7

300

 

 

20

 

61.0

261.5

300

 

 

 

 

 

 

 

 

 

 

 

 

040

460

414

508

39.3

150

39.3

150

6.2

3.0

3.0

15

 

19.8

118.5

150

20

 

26.6

124.5

150

 

 

 

 

 

 

 

 

 

 

 

 

 

575

518

632

31.4

120

31.4

120

 

2.4

2.4

15

 

16.0

95

125

 

 

20

 

21.3

100

125

 

 

 

 

 

 

 

 

 

 

 

 

 

LEGEND

COMP Ð Compressor

FLA

Ð Full Load Amps

IFM

Ð Indoor (Evaporator) Fan Motor

LRA

Ð Locked Rotor Amps

MCA

Ð Minimum Circuit Amps

MOCP

Ð Maximum Overcurrent Protection

OFM

Ð Outdoor (Condenser) Fan Motor

RLA

Ð Rated Load Amps

NOTE: Condenser fan motor no. 1 is a 208/230-1-60 speed control motor on all units.

Table 4 Ð Electric Resistance Heater Data

UNIT

NOMINAL

ELECTRIC

HEATING ELEMENTS

FLA PER

MCA

MOCP

VOLTAGE

HEAT kW

50ME

PER ZONE MODULE

HEATING ELEMENT

(Each Circuit)

(Each Circuit)

(3 Ph, 60 Hz)

(Unit Total)

 

 

 

 

 

 

 

43/

53

2

13.0/14.4

150/166

175/175

 

208/230

57/

70

2

17.3/19.2

200/221

225/225

 

 

87/106

3

17.3/19.2

150/166

175/175

016,024

 

53

2

7.2

83

90

 

460

70

2

9.6

111

125

 

 

106

3

9.6

166

175

 

575

106

3

7.7

133

150

 

 

54/

66

2

13.0/14.4

188/207

200/225

 

208/230

72/

88

2

17.3/19.2

250/276

275/300

 

 

108/132

3

17.3/19.2

188/207

200/225

028,030

 

66

2

7.2

103

110

 

460

88

2

9.6

138

150

 

 

132

3

9.6

207

225

 

575

132

3

7.7

166

175

 

 

65/

79

2

13.0/14.4

225/249

250/250

 

208/230

87/106

2

17.3/19.2

150/165

175/175

 

 

129/158

3

17.3/19.2

225/249

250/250

034,040

 

79

2

7.2

124

125

 

460

106

2

9.6

166

175

 

 

158

3

9.6

249

250

 

575

158

3

7.7

199

200

 

 

 

 

 

 

 

 

 

 

LEGEND

FLA

Ð

Full Load Amps

MCA

Ð

Minimum Circuit Amps

MOCP Ð

Maximum Overcurrent Protection

NOTES:

1.Heaters are rated at 230 v, 460 v, and 575 v.

2.Terminal boards provided for heater power wire connections are suitable for use with copper or aluminum wire.

12

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Contents Installation, Start-Up Service Instructions ContentsSafety Considerations InstallationBase Unit Physical Data and Dimensions 48MA Units Base Unit Physical Data and Dimensions 50ME Units Removing Shipping Shields Fig Roof Curb DetailPhysical Data Roof Curb Physical Data and Dimensions 48MA Units Roof Curb Physical Data and Dimensions 50ME Units Shipping Shield Locations Units Shown Suggested Gas Piping 48MA Unit 48MA Electrical Data Unit 50ME Electrical Data Unit 50ME Electrical Application Data Field Control Wiring ECTZone Control Board Component Location Cooling Cooling Stage 1 Ð First stage of modules 1, 2, Cooling Stage 1 Ð First stage of modules 1, 2, 3, Cooling Stage 1 Ð Modules 1 and 3 Stage 2 Ð Modules 2 Cooling Modules Setting Stage 1 Ð First stage of modules 1 Cooling Stage 1 Ð First stage of modules 1, 2, Cooling 50ME Two-Stage Heat, One-Stage Cool Ð 4 Module Joint Control Cooling Stage 1 Ð Modules 1 and 3 Stage 2 Ð Modules 2 Cooling Modules Setting HA1 HA2 START-UP APSGas Heat Lighting Procedure 48MA AdjustmentPressure Adjustment Natural GAS MGVSpoiler Screw Location Units with 2-ELEMENT Heaters Units with 3-ELEMENT HeatersService Air¯ow SwitchesCabinet Panels and Grilles Condenser and OUTDOOR-AIR Cooling CoilsCompressor Capacity Control Unloaders Head Pressure ControlTo ADD or Remove OIL LOW ChargeCondenser Fans Evaporator Fans and MotorFAN Shaft Bearing Removal Forced-Draft Blower 48MA Optional Economizer Ð See FigPulley Removal OperationEconomizer and Exhaust Damper Assemblies, Exploded View Page Page Packaged Service Training Page OUTDOOR-AIR Temperature RETURN-AIR TemperaturePRE-START-UP Model no Serial no Date Technician

48MA/50ME016-040 specifications

The Carrier 48MA/50ME016-040 series represents a significant advancement in the field of commercial HVAC systems, designed to provide reliable, efficient, and effective climate control solutions for various applications. These units are widely recognized for their durability and performance, making them a top choice for building owners and managers seeking optimal comfort and energy efficiency.

One of the main features of the Carrier 48MA/50ME series is its advanced scroll compressor technology. The scroll compressors are known for their reliability and efficiency, which leads to reduced energy consumption and lower operating costs. This high-efficiency design not only contributes to significant energy savings but also minimizes noise levels, enhancing the overall comfort of the environment.

The units are equipped with a unique microprocessor-based control system that offers precise temperature control and flexibility. This technology allows for easy integration with building management systems, enabling users to monitor and control their HVAC systems remotely, thereby optimizing performance and energy use. The programmable thermostats help to tailor the operation of the units to meet the specific needs of the users, ensuring maximum comfort at all times.

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