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

 

HZ

 

ELECTRIC HEATER

 

 

 

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

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

42.5

50

45

198

46.3

50

49

202

 

 

 

7.8/10.4

21.7/25.0

69.6/73.7

70/80

70/74

220/223

73.4/77.5

80/80

74/78

224/227

 

 

STD

12.0/16.0

33.4/38.5

84.2/90.6

90/100

83/89

231/237

88.0/94.4

90/100

88/94

235/241

 

 

18.6/24.8

51.7/59.7

107.1/117.1

110/125

105/114

250/258

110.9/120.9

125/125

109/118

254/262

 

 

 

 

 

 

24.0/32.0

66.7/77.0

125.9/138.7

150/150

122/134

265/275

129.7/142.5

150/150

126/138

269/279

 

 

 

31.8/42.4

88.4/102.0

153.0/170.0

175/175

147/162

375/402

156.8/173.8

175/175

151/167

379/406

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---60

 

---

---

44.8

50

48

235

48.6

60

52

239

 

 

7.8/10.4

21.7/25.0

71.9/76.0

80/80

73/76

257/260

75.7/79.8

80/80

77/81

261/264

 

---3

MED

12.0/16.0

33.4/38.5

86.5/92.9

90/100

86/92

268/274

90.3/96.7

100/100

91/96

272/278

 

208/230

18.6/24.8

51.7/59.7

109.4/119.4

110/125

107/116

287/295

113.2/123.2

125/125

112/121

291/299

 

 

 

 

 

 

 

 

24.0/32.0

66.7/77.0

128.2/141.0

150/150

124/136

302/312

132.0/144.8

150/150

129/141

306/316

 

 

 

31.8/42.4

88.4/102.0

155.3/172.3

175/175

149/165

412/439

159.1/176.1

175/200

154/169

416/443

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

44.8

50

48

235

48.6

60

52

239

 

 

 

7.8/10.4

21.7/25.0

71.9/76.0

80/80

73/76

257/260

75.7/79.8

80/80

77/81

261/264

 

 

HIGH

12.0/16.0

33.4/38.5

86.5/92.9

90/100

86/92

268/274

90.3/96.7

100/100

91/96

272/278

 

 

18.6/24.8

51.7/59.7

109.4/119.4

110/125

107/116

287/295

113.2/123.2

125/125

112/121

291/299

 

 

 

 

 

 

24.0/32.0

66.7/77.0

128.2/141.0

150/150

124/136

302/312

132.0/144.8

150/150

129/141

306/316

 

 

 

31.8/42.4

88.4/102.0

155.3/172.3

175/175

149/165

412/439

159.1/176.1

175/200

154/169

416/443

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

20.1

25

21

97

21.9

25

23

99

 

 

 

13.9

16.7

41.0

45

41

114

42.8

45

43

116

 

 

STD

16.5

19.8

44.9

45

44

117

46.7

50

46

119

548J*08

 

27.8

33.4

61.9

70

60

130

63.7

70

62

132

 

 

 

 

41.7

50.2

82.9

90

79

197

84.7

90

81

199

 

 

 

33.0

39.7

69.8

70

67

137

71.6

80

69

139

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

20.9

25

22

116

22.7

25

24

118

 

---60

 

13.9

16.7

41.8

45

42

133

43.6

45

44

135

 

 

16.5

19.8

45.7

50

45

136

47.5

50

47

138

 

---3

MED

 

27.8

33.4

62.7

70

61

149

64.5

70

63

151

 

460

 

 

 

33.0

39.7

70.6

80

68

156

72.4

80

70

158

 

 

 

41.7

50.2

83.7

90

80

216

85.5

90

82

218

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

20.9

25

22

116

22.7

25

24

118

 

 

 

13.9

16.7

41.8

45

42

133

43.6

45

44

135

 

 

HIGH

16.5

19.8

45.7

50

45

136

47.5

50

47

138

 

 

27.8

33.4

62.7

70

61

149

64.5

70

63

151

 

 

 

 

 

 

33.0

39.7

70.6

80

68

156

72.4

80

70

158

 

 

 

41.7

50.2

83.7

90

80

216

85.5

90

82

218

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

15.2

20

16

79

19.0

25

21

83

 

 

STD

17.0

20.4

40.7

45

40

99

44.5

45

44

103

 

60

 

34.0

40.9

66.3

70

63

120

70.1

80

68

124

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

15.6

20

17

94

19.4

25

21

98

 

---3---

 

 

MED

17.0

20.4

41.1

45

40

114

44.9

45

45

118

 

575

 

34.0

40.9

66.7

70

64

135

70.5

80

68

139

 

 

 

 

 

 

 

 

 

 

 

 

 

 

---

---

15.6

20

17

94

19.4

25

21

98

 

 

 

 

 

HIGH

17.0

20.4

41.1

45

40

114

44.9

45

45

118

 

 

 

34.0

40.9

66.7

70

64

135

70.5

80

68

139

 

 

 

 

 

 

 

 

 

 

 

 

 

See

Notes

page 49.

 

 

 

 

 

 

 

 

 

 

548J

59

Page 59
Image 59
Bryant 548J manual Electric Heater With Pwrd C.O Unit IFM Without P.E With P.E

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.