Bryant 548D Electrical Data Units Without Electrical Convenience Outlet, Size†, Type, Rla Lra Fla

Page 8

Table 2A — Electrical Data (Units Without Electrical Convenience Outlet)

 

 

 

VOLTAGE

COMPRESSOR

 

 

ELECTRIC HEAT*

POWER SUPPLY

DISCONNECT

UNIT

NOMINAL

IFM

RANGE

(each)

OFM

IFM

 

SIZE†

 

 

 

 

 

 

 

 

548D

V-PH-Hz

TYPE

Min

Max

RLA

LRA

FLA

FLA

Nominal

FLA

MCA

MOCP

FLA

LRA

 

 

 

 

 

kW**

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

—

—

38.8/ 38.8

40/ 40††

41/ 41

229/229

 

 

 

 

 

 

 

 

 

7.8/10.4

21.7/ 25.0

65.9/

70.0

70/

80

66/

69

251/254

 

208/230-3-60

STD

187

254

13.4

91.0

1.4

5.8

12.0/16.0

33.3/ 38.5

80.4/

86.9

90/

90

79/

85

262/268ll

 

 

 

 

 

 

 

 

 

18.6/24.0

50.0/

57.7

103.3/113.4

110/125

100/109

281/289ll

 

 

 

 

 

 

 

 

 

24.0/32.0

66.6/

77.0

122.0/135.0

125/150

117/129

296/306ll

 

 

 

 

 

 

 

 

 

31.8/42.4

88.3/102.0

149.1/166.3

150/175

142/158

317/331ll

090

 

 

 

 

 

 

 

 

—

—

19.1

20††

20

 

108

 

 

 

 

 

 

 

 

13.9

16.7

40.0

45††

39

 

124

(71/2 Tons)

 

 

 

 

 

 

 

 

 

 

460-3-60

STD

414

508

6.7

42.0

0.7

2.6

16.5

19.8

43.8

45††

43

 

128

 

27.8

33.4

60.8

70

 

58

 

141

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33.0

39.7

68.7

70

 

66

 

147

 

 

 

 

 

 

 

 

 

41.7

50.2

81.8

90

 

78

 

158

 

575-3-60

STD

518

632

5.4

39.0

0.7

2.6

—

—

15.4

20††

16

 

97

 

17.0

17.1

36.7

40††

36

 

114

 

 

 

 

 

 

 

 

 

34.0

34.1

68.0

60††

55

 

131

 

 

 

 

 

 

 

 

 

—

—

44.6/ 44.6

45/ 45††

47/ 47

321/321

 

 

 

 

 

 

 

 

 

7.8/10.4

21.7/

25.0

71.7/

75.9

80/

80

72/

75

343/346

 

208/230-3-60

STD

187

254

16.0

137.0

1.4

5.8

12.0/16.0

33.3/

38.5

86.2/

92.7

90/100

85/

91

354/360II

 

 

 

 

 

 

 

 

 

18.6/24.0

50.0/

57.7

109.1/119.2

110/125

106/115

373/381II

 

 

 

 

 

 

 

 

 

24.0/32.0

66.6/

77.0

127.9/140.9

150/150

123/135

388/398II

 

 

 

 

 

 

 

 

 

31.8/42.4

88.3/102.0

155.0/172.0

175/175

148/164

409/423II

102

 

 

 

 

 

 

 

 

—

—

22.7

25††

24

 

162

 

 

 

 

 

 

 

 

13.9

16.7

43.6

45††

43

 

178

(81/2 Tons)

 

 

 

 

 

 

 

 

 

 

460-3-60

STD

414

508

8.3

69.0

0.7

2.6

16.5

19.8

47.4

50††

46

 

182

 

27.8

33.4

64.4

70

 

62

 

195

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

33.0

39.7

72.3

80

 

69

 

201

 

 

 

 

 

 

 

 

 

41.7

50.2

85.4

90

 

81

 

212II

 

575-3-60

STD

518

632

6.4

58.0

0.7

2.6

—

—

17.3

20††

18

 

135

 

17.0

17.1

39.0

40††

38

 

152

 

 

 

 

 

 

 

 

 

34.0

34.1

60.2

60††

58

 

169

 

 

 

 

 

 

 

 

 

—

—

47.3/ 47.3

50/ 50††

49/ 49

295/295

 

 

 

 

 

 

 

 

 

7.8/10.4

21.7/

25.0

74.4/

78.6

80/

80

74/

78

317/320

 

 

STD

187

254

17.2

124.0

1.4

5.8

12.0/16.0

33.3/

38.5

88.9/

95.4

90/100

88/

94

328/334ll

 

 

 

 

 

 

 

 

 

24.0/32.0

66.6/

77.0

130.6/143.6

150/150

126/138

362/372ll

 

 

 

 

 

 

 

 

 

31.8/42.4

88.3/102.0

157.7/174.8

175/175

151/167

383/397ll

 

208/230-3-60

 

 

 

 

 

 

 

37.6/50.0

104.4/120.3

177.8/167.6

200/175

170/188

399/415ll

 

 

 

 

 

 

 

 

—

—

49.0/ 49.0

50/ 50††

51/ 51

314/314

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

7.8/10.4

21.7/

25.0

76.1/

80.8

80/

90

76/

80

336/389ll

 

 

ALT

187

254

17.2

124.0

1.4

7.5

12.0/16.0

33.3/

38.5

90.6/

97.1

100/100

90/

96

347/353ll

 

 

 

 

 

 

 

 

 

24.0/32.0

66.6/

77.0

132.3/145.3

150/150

128/140

381/391ll

 

 

 

 

 

 

 

 

 

31.8/42.4

88.3/102.0

159.4/176.5

175/200

153/169

402/416ll

 

 

 

 

 

 

 

 

 

37.6/50.0

104.4/120.3

179.5/169.3

200/175

171/190

418/434ll

 

 

 

 

 

 

 

 

 

—

—

23.4

25††

24

 

143

 

 

 

 

 

 

 

 

 

16.5

19.8

48.1

50††

47

 

163

 

 

STD

414

508

8.6

59.6

0.7

2.6

27.8

33.4

65.1

70

 

63

 

176

120

 

33.0

39.7

73.0

80

 

70

 

183

 

 

 

 

 

 

 

 

 

 

(10 Tons)

 

 

 

 

 

 

 

 

41.7

50.2

86.1

90

 

82

 

193ll

 

460-3-60

 

 

 

 

 

 

 

50.0

60.1

83.5

90

 

93

 

203ll

 

 

 

 

 

 

 

 

—

—

24.2

25††

25

 

182

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16.5

19.8

48.9

50††

48

 

202

 

 

ALT

414

508

8.6

59.6

0.7

3.4

27.8

33.4

65.9

70

 

64

 

216

 

 

33.0

39.7

73.8

80

 

71

 

222

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

41.7

50.2

86.9

90

 

83

 

233ll

 

 

 

 

 

 

 

 

 

50.0

60.1

84.3

90

 

94

 

243ll

 

 

 

 

 

 

 

 

 

—

—

18.7

20††

20

 

118

 

 

STD

518

632

6.9

49.4

0.7

2.6

17.0

17.1

40.1

50††

39

 

135

 

 

34.0

34.1

61.4

70

 

59

 

152

 

 

 

 

 

 

 

 

 

 

 

 

575-3-60

 

 

 

 

 

 

 

51.0

51.2

69.9

70

 

78

 

159

 

 

 

 

 

 

 

 

—

—

19.4

20††

20

 

149

 

 

 

 

 

 

 

 

 

 

 

 

ALT

518

632

6.9

49.4

0.7

3.4

17.0

17.1

40.7

50††

40

 

166

 

 

34.0

34.1

62.0

70

 

60

 

183

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

51.0

51.2

70.6

80

 

79

 

201

NOTE: Legend and Notes for Electrical Data are on page 10.

—8—

Page 7 Page 9
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Page 7 Page 9
Contents Contents Safety ConsiderationsInstallation Provide Unit SupportRoof Curb Details III. Install Condensate Drain Line and External Trap II. Field Fabricate DuctworkIV. RIG and Place Unit PositioningUnit MAX Dimensions Weight Base Unit Dimensions Physical Data Unit Size 548DField Power Supply Make Electrical Connections575-3-60 460-3-60Electrical Data Units Without Electrical Convenience Outlet SIZE†Type RLA LRA FLA81/2 Tons Electrical Data Units With Electrical Convenience OutletMin FLA VI. Adjust FACTORY-INSTALLED Options Stage Unit Voltage208/230 460 575 Durablade Economizer Installation Durablade Economizer Damper Minimum Position Setting EconoMi$er Component Locations Rear EconoMi$er Flange Installation EconoMi$er Wiring Wiring Diagram for Power Exhaust System Changeover Set Points Default Potentiometer SettingsVII. Adjust INDOOR-FAN Speed Typical Belt-Drive Motor Mounting for Size Fan Rpm at Motor Pulley Settings Indoor-Fan Motor PerformanceUnit INDOOR-FAN Maximum Acceptable Continuous BHPFan Performance 548D090 Vertical Discharge Units Standard Motor Belt DriveFan Performance 548D102 Vertical Discharge Units Fan Performance 548D120 Vertical Discharge Units 548D120 10 Tons Standard and Alternate Motors Belt DriveFan Performance 548D090 Horizontal Discharge Units Fan Performance 548D102 Horizontal Discharge Units Fan Performance 548D120 Horizontal Discharge Units Standard and Alternate Motors Belt DriveInternal Wiring VI. Refrigerant Service PortsPRE-START-UP START-UP Unit PreparationIX. Adjust GAS Input XII. Safety ReliefCooling XI. HeatingService Cleaning Cooling, Units With EconoMi$erDefrost Indoor CoilII. Lubrication IV. Economizer Adjustment Refrigerant ChargeCooling Charging Chart 548D102 Problem Cause Remedy TroubleshootingHeating and Cooling Troubleshooting Durablade Economizer Troubleshooting IFCIFO OATDamper does not open EconoMi$er operation limitedTo minimum position Damper positionTypical Wiring Diagram Must Voltage Page START-UP Checklist TemperaturesPreliminary Information III. START-UP Electrical

548D specifications

The Bryant 548D heat pump stands out in the HVAC market for its robust performance, energy efficiency, and advanced technology. Known for its reliability, this particular model is designed to provide optimal heating and cooling for both residential and light commercial applications.

One of the standout features of the Bryant 548D is its variable-speed compressor, which allows for precise temperature control and enhances comfort levels in any environment. This technology enables the 548D to operate efficiently at different speeds, adjusting its output based on the heating or cooling demand. As a result, homeowners can enjoy consistent temperature regulation without the wide fluctuations typical of single-stage systems.

In addition to the variable-speed compressor, the Bryant 548D utilizes advanced refrigerant technology. It employs the environmentally friendly Puron refrigerant, which not only improves the unit's efficiency but also reduces its carbon footprint. This makes the 548D a sustainable choice for those looking to minimize their environmental impact while still enjoying superior heating and cooling performance.

Another key characteristic of the Bryant 548D is its impressive energy efficiency rating, often exceeding the minimum requirements set by the Department of Energy. With a high Seasonal Energy Efficiency Ratio (SEER) for cooling in warmer months and an excellent Heating Seasonal Performance Factor (HSPF), the 548D minimizes energy consumption while maximizing comfort.

The 548D also features Quiet Operation technology, ensuring that the system runs quietly in the background without disrupting daily activities. This is particularly beneficial for light commercial spaces or homes where noise can be a concern. The sleek design and compact size make the unit easy to install in various settings without occupying excessive space.

Furthermore, Bryant incorporates advanced smart technology within the 548D model. The system can be integrated with smart thermostats, allowing users to monitor and control their heating and cooling settings remotely. This feature not only enhances convenience but also enables homeowners to program their systems for maximum efficiency.

In conclusion, the Bryant 548D heat pump is an exceptional choice for those seeking a reliable, efficient, and technologically advanced heating and cooling solution. Its combination of variable-speed compression, eco-friendly refrigerant, high energy efficiency, and quiet operation positions it well in the competitive HVAC market, making it a top choice for both residential and light commercial applications. By investing in the Bryant 548D, consumers can enjoy superior comfort and lower energy bills year-round.
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