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

Page 53
Image 53
Bryant 548J 41.5 197, 65/68, 78/84, 43.8 234, 67/71, 81/86, 19.7 13.9, 40.6 114, 44.5 117, 61.5 130 41.7, 82.5 197 33.0

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.