Bryant 548J manual 41.5 197, 65/68, 78/84, 43.8 234, 67/71, 81/86, 19.7 13.9, 40.6 114, 44.5 117

Page 53

Table 46 – (cont.) MCA/MOCP DETERMINATION WITHOUT C.O. OR UNPWRD C.O.

 

HZ

 

ELEC. HTR

 

 

WITHOUT C.O. or UNPWR C.O.

 

 

 

---

 

 

 

 

 

 

 

 

 

 

 

UNIT

V---PH

IFM

 

 

 

WITHOUT P.E.

 

 

WITH P.E.

 

Nom

 

 

 

 

 

 

 

 

 

TYPE

FLA

 

 

DISC. SIZE

 

 

DISC. SIZE

 

NOM.

 

(kW)

MCA

MOCP

MCA

MOCP

 

 

 

 

 

 

 

 

 

 

 

 

FLA

LRA

FLA

LRA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

37.7

50

40

193

41.5

50

44

197

 

 

 

7.8/10.4

21.7/25.0

64.8/68.9

70/70

65/68

215/218

68.6/72.7

70/80

69/73

219/222

 

 

STD

12.0/16.0

33.4/38.5

79.4/85.8

80/90

78/84

226/232

83.2/89.6

90/90

82/88

230/236

 

 

18.6/24.8

51.7/59.7

102.3/112.3

110/125

99/108

245/253

106.1/116.1

110/125

103/113

249/257

 

 

 

 

 

 

24.0/32.0

66.7/77.0

121.1/133.9

125/150

116/128

260/270

124.9/137.7

125/150

121/132

264/274

 

 

 

31.8/42.4

88.4/102.0

148.2/165.2

150/175

141/157

370/397

152.0/169.0

175/175

146/161

374/401

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---60

 

---

---

40.0

50

42

230

43.8

50

47

234

 

 

7.8/10.4

21.7/25.0

67.1/71.2

70/80

67/71

252/255

70.9/75.0

80/80

72/75

256/259

 

---3

MED

12.0/16.0

33.4/38.5

81.7/88.1

90/90

81/86

263/269

85.5/91.9

90/100

85/91

267/273

 

208/230

18.6/24.8

51.7/59.7

104.6/114.6

110/125

102/111

282/290

108.4/118.4

110/125

106/115

286/294

 

 

 

 

 

 

 

 

24.0/32.0

66.7/77.0

123.4/136.2

125/150

119/131

297/307

127.2/140.0

150/150

123/135

301/311

 

 

 

31.8/42.4

88.4/102.0

150.5/167.5

175/175

144/160

407/434

154.3/171.3

175/175

148/164

411/438

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

40.0

50

42

230

43.8

50

47

234

 

 

 

7.8/10.4

21.7/25.0

67.1/71.2

70/80

67/71

252/255

70.9/75.0

80/80

72/75

256/259

 

 

HIGH

12.0/16.0

33.4/38.5

81.7/88.1

90/90

81/86

263/269

85.5/91.9

90/100

85/91

267/273

 

 

18.6/24.8

51.7/59.7

104.6/114.6

110/125

102/111

282/290

108.4/118.4

110/125

106/115

286/294

 

 

 

 

 

 

24.0/32.0

66.7/77.0

123.4/136.2

125/150

119/131

297/307

127.2/140.0

150/150

123/135

301/311

 

 

 

31.8/42.4

88.4/102.0

150.5/167.5

175/175

144/160

407/434

154.3/171.3

175/175

148/164

411/438

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

17.9

20

19

95

19.7

25

21

97

 

 

 

13.9

16.7

38.8

40

38

112

40.6

45

40

114

 

 

STD

16.5

19.8

42.7

45

42

115

44.5

45

44

117

548J*08

 

27.8

33.4

59.7

60

57

128

61.5

70

59

130

 

 

 

 

41.7

50.2

80.7

90

77

195

82.5

90

79

197

 

 

 

33.0

39.7

67.6

70

65

135

69.4

70

67

137

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

18.7

25

20

114

20.5

25

22

116

 

---60

 

13.9

16.7

39.6

40

39

131

41.4

45

41

133

 

 

16.5

19.8

43.5

45

43

134

45.3

50

45

136

 

---3

MED

 

27.8

33.4

60.5

70

58

147

62.3

70

60

149

 

460

 

 

 

33.0

39.7

68.4

70

65

154

70.2

80

68

156

 

 

 

41.7

50.2

81.5

90

78

214

83.3

90

80

216

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

18.7

25

20

114

20.5

25

22

116

 

 

 

13.9

16.7

39.6

40

39

131

41.4

45

41

133

 

 

HIGH

16.5

19.8

43.5

45

43

134

45.3

50

45

136

 

 

27.8

33.4

60.5

70

58

147

62.3

70

60

149

 

 

 

 

 

 

33.0

39.7

68.4

70

65

154

70.2

80

68

156

 

 

 

41.7

50.2

81.5

90

78

214

83.3

90

80

216

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

13.5

15

14

77

17.3

20

19

81

 

 

STD

17.0

20.4

39.0

40

38

97

42.8

45

42

101

 

60

 

34.0

40.9

64.6

70

61

118

68.4

70

66

122

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

13.9

20

15

92

17.7

20

19

96

 

---3---

 

 

MED

17.0

20.4

39.4

40

38

112

43.2

45

43

116

 

575

 

34.0

40.9

65.0

70

62

133

68.8

70

66

137

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

13.9

20

15

92

17.7

20

19

96

 

 

 

 

 

HIGH

17.0

20.4

39.4

40

38

112

43.2

45

43

116

 

 

 

34.0

40.9

65.0

70

62

133

68.8

70

66

137

 

 

 

 

 

 

 

 

 

 

 

 

 

See

Notes

page 49.

 

 

 

 

 

 

 

 

 

 

548J

53

Image 53
Contents Product Data Table of Contents Features and Benefits Model Number Nomenclature FACTORY-INSTALLED Options and FIELD-INSTALLED Accessories Factory Options AND/OR AccessoriesOption Accessory FieldPower Exhaust Pressure Relief Convenience Outlet powered or un-poweredFilter or Fan Status Switches Economizer dry-bulb or enthalpyAlternate Motors and Drives Motormaster Head Pressure ControllerThru-the-Base Connections Electric HeatersARI Cooling Rating Tables Sound Performance Table Minimum Maximum Airflows Electric HeatTons Physical DataMotor Frame Size Fan Qty / Type 8.5 Tons548J*08 548J*09 Single Point KIT Part Number Crsinglexxxxxx Unit Electric Heat Electrical DataElectric Heater NOM APP Part Number PWR Type With Pwrd C.OElectric Drive X13 5 speed/torque motor Cont. Electric Heat Electrical Data208/230 105A00 16.0 12.0/14.7 038A00 Without P.E With P.E CrheaterxxxxxxCool Cont. Electric Heat Electrical Data Tons575 460 115A00 33.0 30.3 050A00Dimensions 548J Weights & DimensionsUnit disconnect is mounted on panel Dimension Condition610 356 548J*04-07AC08679 C08680 356 Application Data Selection Procedure with 548J*07 Example Cooling Capacities Ambient Temperature548J*04 105 115 EA dB 9001400 548J*05 105 115 EA dB1200 1500 548J*06 105 115 EA dB2250 25001800 548J*07 105 115 EA dB2100 24002625 548J*08 105 115 EA dB3375 37502550 548J*09 105 115 EA dB2975 3400Heating Capacities Temperature AIR Entering Outdoor Coil F db at 70% rh548J*04 ReturnHeating Capacity 548J*08 Heating Capacity TonsGeneral fan performance notes Static Pressure Adders Factory Options and/or Accessories548J*04 Electric DRIVE, X13 MOTOR, 3 TON Horizontal Supply FAN Performance548J*04 Electric DRIVE, X13 MOTOR, 3 TON Vertical Supply Speed Torque CFM ESP BHP1200 1300 1400 1500 1600 1700 1800 1900 2000 548J*05 Electric DRIVE, X13 MOTOR, 4 TON Horizontal Supply548J*05 Electric DRIVE, X13 MOTOR, 4 TON Vertical Supply 1500 1625 1750 1875 2000 2125 2250 2375 2500 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Horizontal Supply548J*06 Electric DRIVE, X13 MOTOR, 5 TON Vertical Supply TON Horizontal Supply CFM RPM BHP 548J*05Available External Static Pressure IN. WG CFM RPM BHP 548J*06 1800 907 548J*071800 927 2250 509 548J*082250 788 847 2250 5282550 468 546 548J*092550 806 863 2550 495 570Unit MOTOR/DRIVE Combo Motor Pulley Turns Open Pulley Adjustment2000 1000 ECONOMIZER, Barometric Relief and PE Performance548J*04 Stage Cooling Electrical Information548J*05 Stage Cooling 548J*06 Stage Cooling548J*08 Stage Cooling Tons 548J*07 Stage Cooling548J*09 Stage Cooling Tons Range RLA LRAELEC. HTR MCA/MOCP Determination Without C.O. or Unpwrd C.OUnit IFM Without P.E With P.E Type FLA DISC. SizeELEC. HTR Unit Cont. MCA/MOCP Determination Without C.O. or Unpwrd C.OType FLA MCA76/82 70/7479/84 46/48High Unit IFM Type NOM STD MEDSee FLA DISC. Size MCA Mocp LRA65/68 41.5 19778/84 43.8 23469/72 45.7 20582/88 48.0 242ELEC. HTR With Pwrd C.O Unit IFM Without P.E With P.E MCA/MOCP Determination with Pwrd C.O111 Cont. MCA/MOCP Determination with Pwrd C.O113 10833.3 46.520.2 29.2Electric Heater With Pwrd C.O Without P.E With P.E Electric Heater With Pwrd C.O Unit IFM Without P.E With P.E 74/78 50.5 21088/93 52.8 247Stage Cooling Typical Power Diagram Typical Wiring DiagramsC09065 Multi-Protocol Option Diagram Stage Typical Wiring Diagram C09064 Sequence of Operation Continuous air circulation Automatic changeoverCycle-LOCprotection Emergency heatHvac Guide Specifications Guide Specifications 548J*04-0923 09 93 Sequence of Operations for Hvac Controls 23 09 33 Electric and Electronic Control System for Hvac23 81 19 Self-Contained Air Conditioners 23 40 13 Panel Air Filters548J 548J 548J 548J 548J Catalog No. PDS548J---01

548J specifications

The Bryant 548J is a high-efficiency gas furnace that combines advanced features and technologies to provide exceptional heating performance. Designed for residential applications, the furnace is notable for its ability to deliver consistent warmth while ensuring energy efficiency and reliability.

One of the main features of the Bryant 548J is its ultra-high efficiency rating, which allows homeowners to save significantly on energy costs. With an Annual Fuel Utilization Efficiency (AFUE) rating of up to 96.5%, this furnace is designed to convert a large portion of fuel into usable heat. This is a remarkable characteristic that not only reduces utility bills but also contributes to a lower environmental footprint.

The 548J is equipped with a modulating gas valve and a variable-speed blower motor. The modulating gas valve enables the furnace to adjust its heating output based on real-time temperature demands, ensuring a more precise heating experience. This results in reduced temperature fluctuations within the home, providing a comfortable living environment. The variable-speed blower motor works in tandem with the modulating valve, facilitating improved air circulation and efficient temperature control.

Additionally, the Bryant 548J features a durable and compact design, making it suitable for various installation spaces. Its quality construction ensures longevity, while the optional stainless steel heat exchanger enhances its reliability. The furnace also includes a quiet operation mode, which minimizes noise levels, ensuring that the unit works quietly in the background without disturbing the household's peace.

Integration with smart home technology is another advantage of the Bryant 548J. Homeowners have the option to connect the furnace to a Wi-Fi-enabled thermostat, allowing for remote temperature control and monitoring. This feature offers enhanced convenience and the ability to optimize energy use according to a homeowner’s schedule.

For peace of mind, the Bryant 548J comes with a range of warranties, protecting the consumer's investment. Bryant’s commitment to quality is reflected in their extensive primary heating testing procedures, which ensure that each unit meets strict performance criteria before it reaches the customer.

In summary, the Bryant 548J is an efficient and reliable gas furnace that embodies advanced heating technology. With features such as high AFUE ratings, modulating gas valves, variable-speed blowers, and smart home compatibility, it stands out as a formidable option for modern residential heating solutions.