Table 47 – (cont.) MCA/MOCP DETERMINATION WITH PWRD C.O.

 

HZ

 

ELEC. HTR

 

 

 

WITH PWRD 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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---60

 

---

---

46.5

60

46

150

48.4

60

48

152

 

 

4.9/6.5

23.5/27.1

75.8/80.3

80/90

73/77

174/177

77.7/82.2

80/100

75/79

176/179

 

---1

DD---STD

6.5/8.7

31.4/36.3

85.7/91.8

100/100

82/88

181/186

87.6/93.7

100/100

84/90

183/188

 

208/230

9.8/13.0

46.9/54.2

105.1/114.2

110/125

100/108

244/258

107.0/116.1

110/125

102/110

246/260

 

 

 

 

 

 

 

 

13.1/17.4

62.8/72.5

125.0/137.1

125/150

118/129

276/295

126.9/139.0

150/150

120/131

278/297

 

 

 

15.8/21.0

75.8/87.5

141.2/155.8

150/175

133/147

302/325

143.1/157.7

150/175

135/149

304/327

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

33.2

45

34

126

35.1

50

36

128

 

 

 

4.9/6.5

13.6/15.6

50.2/52.7

60/60

49/52

140/142

52.1/54.6

60/60

52/54

142/144

 

 

DD---STD

7.9/10.5

21.9/25.3

60.6/64.8

70/70

59/63

148/151

62.5/66.7

70/70

61/65

150/153

 

 

12.0/16.0

33.4/38.5

75.0/81.3

80/90

72/78

159/165

76.9/83.2

80/90

74/80

161/167

 

 

 

 

 

 

15.8/21.0

43.8/50.5

88.0/96.3

90/100

84/92

214/227

89.9/98.2

90/100

86/94

216/229

 

 

 

19.9/26.5

55.2/63.8

102.2/113.0

110/125

97/107

236/254

104.1/114.9

110/125

99/109

238/256

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---60

 

---

---

31

45

31

149

32.9

45

33

151

 

 

4.9/6.5

13.6/15.6

48.0/50.5

60/60

47/49

163/165

49.9/52.4

60/60

49/51

165/167

 

---3

MED

7.9/10.5

21.9/25.3

58.4/62.6

60/70

56/60

171/174

60.3/64.5

70/70

59/62

173/176

 

208/230

12.0/16.0

33.4/38.5

72.8/79.1

80/80

70/75

182/188

74.7/81.0

80/90

72/78

184/190

 

 

 

 

 

 

 

 

15.8/21.0

43.8/50.5

85.8/94.1

90/100

82/89

237/250

87.7/96.0

90/100

84/91

239/252

 

 

 

19.9/26.5

55.2/63.8

100.0/110.8

100/125

95/105

259/277

101.9/112.7

110/125

97/107

261/279

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

33.3

45

34

175

35.2

50

36

177

 

 

 

4.9/6.5

13.6/15.6

50.3/52.8

60/60

49/52

189/191

52.2/54.7

60/60

52/54

191/193

 

 

HIGH

7.9/10.5

21.9/25.3

60.7/64.9

70/70

59/63

197/200

62.6/66.8

70/70

61/65

199/202

548J*06

 

12.0/16.0

33.4/38.5

75.1/81.4

80/90

72/78

208/214

77.0/83.3

80/90

74/80

210/216

 

 

 

 

15.8/21.0

43.8/50.5

88.1/96.4

90/100

84/92

263/276

90.0/98.3

90/100

86/94

265/278

 

 

 

 

 

 

19.9/26.5

55.2/63.8

102.3/113.1

110/125

97/107

285/303

104.2/115.0

110/125

99/109

287/305

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

20.2

25

21

64

21.2

25

22

65

 

 

 

6.0

7.2

29.2

30

29

71

30.2

35

30

72

 

 

DD---STD

11.5

13.8

37.5

40

37

78

38.5

40

38

79

 

 

14.0

16.8

41.2

45

40

81

42.2

45

42

82

 

 

 

 

 

 

23.0

27.7

54.9

60

53

119

55.9

60

54

120

 

 

 

25.5

30.7

58.6

60

56

125

59.6

60

58

126

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

 

---

---

15.2

20

15

71

16.2

20

16

72

 

 

6.0

7.2

24.2

30

24

78

25.2

30

25

79

 

3---

MED

11.5

13.8

32.5

35

31

85

33.5

35

32

86

 

---

14.0

16.8

36.2

40

35

88

37.2

40

36

89

 

460

 

 

 

23.0

27.7

49.9

50

47

126

50.9

60

48

127

 

 

 

25.5

30.7

53.6

60

51

132

54.6

60

52

133

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

16

20

16

84

17.0

20

17

85

 

 

 

6.0

7.2

25.0

30

24

91

26.0

30

26

92

 

 

HIGH

11.5

13.8

33.3

35

32

98

34.3

35

33

99

 

 

14.0

16.8

37.0

40

36

101

38.0

40

37

102

 

 

 

 

 

 

23.0

27.7

50.7

60

48

139

51.7

60

49

140

 

 

 

25.5

30.7

54.4

60

52

145

55.4

60

53

146

 

 

 

 

 

 

 

 

 

 

 

 

 

 

60

DD---STD

---

---

13.6

15

14

47

15.5

20

16

49

 

3---

 

 

 

 

 

 

 

 

 

 

 

 

MED

---

---

11.6

15

12

54

13.5

15

14

56

 

---

 

 

 

 

 

 

 

 

 

 

 

 

 

575

 

 

 

 

 

 

 

 

 

 

 

 

HIGH

---

---

12.4

15

13

65

14.3

20

15

67

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See

Notes

page 49.

 

 

 

 

 

 

 

 

 

 

548J

57

Page 57
Image 57
Bryant 548J manual 46.5, 33.3, 20.2, 29.2, 41.2, 15.2, 32.5, 36.2, 53.6, 25.0, 37.0, 54.4, 13.6, 11.6, 12.4

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.