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

548J

 

---HZ

 

ELEC. HTR

 

 

 

 

 

 

UNIT

V---PH

IFM

Nom

 

 

TYPE

FLA

 

 

NOM.

 

(kW)

MCA

 

 

 

 

 

 

 

 

 

 

 

 

 

---60

 

---

---

41

 

 

3.3/4.4

15.9/18.3

60.8/63.8

 

---1

DD---STD

6.5/8.7

31.4/36.3

80.2/86.3

 

208/230

9.8/13.0

46.9/54.2

99.6/108.7

 

 

 

 

 

 

 

 

13.1/17.4

62.8/72.5

119.5/131.6

 

 

 

15.8/21.0

75.8/87.5

135.7/150.3

 

 

 

---

---

30.8

 

 

 

4.9/6.5

13.6/15.6

47.8/50.3

DD---STD 6.5/8.7 18.1/20.9 53.5/57.0 12.0/16.0 33.4/38.5 72.6/79.0

60

 

15.8/21.0

43.8/50.5

85.6/94.0

 

---

---

28.6

3---

 

4.9/6.5

13.6/15.6

45.6/48.1

---

MED

6.5/8.7

18.1/20.9

51.3/54.8

208/230

 

12.0/16.0

33.4/38.5

70.4/76.8

 

 

 

 

15.8/21.0

43.8/50.5

83.4/91.8

 

 

---

---

28.6

 

 

4.9/6.5

13.6/15.6

45.6/48.1

548J*05

HIGH

6.5/8.7

18.1/20.9

51.3/54.8

 

12.0/16.0

33.4/38.5

70.4/76.8

 

 

 

 

15.8/21.0

43.8/50.5

83.4/91.8

 

 

---

---

18.7

 

 

6.0

7.2

27.7

 

DD---STD

11.5

13.8

36.0

 

 

14.0

16.8

39.7

 

 

23.0

27.7

53.3

---60

 

---

---

13.4

MED

6.0

7.2

22.4

3

11.5

13.8

30.6

---

 

14.0

16.8

34.4

460

 

 

23.0

27.7

48.0

 

 

 

 

---

---

13.4

 

 

6.0

7.2

22.4

 

HIGH

11.5

13.8

30.6

 

 

14.0

16.8

34.4

 

 

23.0

27.7

48.0

60

DD---STD

---

---

12.3

3---

MED

---

---

10.7

---

 

 

 

 

575

HIGH

---

---

10.3

 

See Notes page 49.

 

 

 

WITH PWRD C.O.

WITHOUT P.E.

 

 

 

WITH P.E.

 

MOCP

 

DISC. SIZE

MCA

 

MOCP

 

DISC. SIZE

 

 

 

 

 

 

 

 

 

 

 

FLA

LRA

 

FLA

LRA

 

 

 

 

 

 

60

 

41

133

42.9

 

60

 

43

135

70/80

 

59/62

149/151

62.7/65.7

 

80/80

 

61/64

151/153

90/90

 

77/83

164/169

82.1/88.2

 

90/100

 

79/85

166/171

100/110

 

95/103

227/241

101.5/110.6

 

110/125

 

97/105

229/243

125/150

 

113/124

259/278

121.4/133.5

 

125/150

 

115/126

261/280

150/175

 

128/141

285/308

137.6/152.2

 

150/175

 

130/144

287/310

40

 

32

99

32.7

 

45

 

34

101

50/60

 

47/49

113/115

49.7/52.2

 

60/60

 

49/52

115/117

60/60

 

52/56

117/120

55.4/58.9

 

60/60

 

55/58

119/122

80/80

 

70/76

132/138

74.5/80.9

 

80/90

 

72/78

134/140

90/100

 

82/90

187/200

87.5/95.9

 

90/100

 

84/92

189/202

40

 

29

111

30.5

 

40

 

31

113

50/50

 

45/47

125/127

47.5/50.0

 

50/60

 

47/49

127/129

60/60

 

50/53

129/132

53.2/56.7

 

60/60

 

52/55

131/134

80/80

 

67/73

144/150

72.3/78.7

 

80/80

 

70/75

146/152

90/100

 

79/87

199/212

85.3/93.7

 

90/100

 

82/89

201/214

40

 

29

122

30.5

 

40

 

31

124

50/50

 

45/47

136/138

47.5/50.0

 

50/60

 

47/49

138/140

60/60

 

50/53

140/143

53.2/56.7

 

60/60

 

52/55

142/145

80/80

 

67/73

155/161

72.3/78.7

 

80/80

 

70/75

157/163

90/100

 

79/87

210/223

85.3/93.7

 

90/100

 

82/89

212/225

25

 

19

53

19.7

 

25

 

20

54

30

 

28

60

28.7

 

30

 

29

61

40

 

35

67

37.0

 

40

 

36

68

40

 

39

70

40.7

 

45

 

40

71

60

 

51

108

54.3

 

60

 

52

109

15

 

14

54

14.4

 

20

 

15

55

25

 

22

61

23.4

 

25

 

23

62

35

 

29

68

31.6

 

35

 

31

69

35

 

33

71

35.4

 

40

 

34

72

50

 

45

109

49.0

 

50

 

47

110

15

 

14

60

14.4

 

20

 

15

61

25

 

22

67

23.4

 

25

 

23

68

35

 

29

74

31.6

 

35

 

31

75

35

 

33

77

35.4

 

40

 

34

78

50

 

45

115

49.0

 

50

 

47

116

15

 

13

45

14.2

 

20

 

15

47

15

 

11

48

12.6

 

15

 

13

50

15

 

10

52

12.2

 

15

 

13

54

 

 

 

 

 

 

 

 

 

 

56

Page 56
Image 56
Bryant 548J manual Cont. MCA/MOCP Determination with Pwrd C.O, 111, 113, 108, 115

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.