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

548J

 

HZ

 

ELEC. HTR

 

 

---

 

 

 

 

UNIT

V---PH

IFM

Nom

 

 

TYPE

FLA

 

 

NOM.

 

(kW)

MCA

 

 

 

 

 

 

 

 

 

 

 

 

 

---60

 

---

---

36.2

 

 

3.3/4.4

15.9/18.3

56.0/59.0

 

---1

DD---STD

6.5/8.7

31.4/36.3

75.4/81.5

 

208/230

9.8/13.0

46.9/54.2

94.8/103.9

 

 

 

 

 

 

 

 

13.1/17.4

62.8/72.5

114.7/126.8

 

 

 

15.8/21.0

75.8/87.5

130.9/145.5

 

 

 

---

---

26.0

 

 

 

4.9/6.5

13.6/15.6

43.0/45.5

DD---STD 6.5/8.7 18.1/20.9 48.7/52.2

12.0/16.0 33.4/38.5 67.8/74.2

60

 

15.8/21.0

43.8/50.5

80.8/89.2

 

---

---

23.8

3---

 

4.9/6.5

13.6/15.6

40.8/43.3

---

MED

6.5/8.7

18.1/20.9

46.5/50.0

208/230

 

12.0/16.0

33.4/38.5

65.6/72.0

 

 

 

 

15.8/21.0

43.8/50.5

78.6/87.0

 

 

---

---

23.8

 

 

4.9/6.5

13.6/15.6

40.8/43.3

548J*05

HIGH

6.5/8.7

18.1/20.9

46.5/50.0

 

12.0/16.0

33.4/38.5

65.6/72.0

 

 

 

 

15.8/21.0

43.8/50.5

78.6/87.0

 

 

---

---

16.5

 

 

6.0

7.2

25.5

 

DD---STD

11.5

13.8

33.8

 

 

14.0

16.8

37.5

 

 

23.0

27.7

51.1

60

 

---

---

11.2

 

6.0

7.2

20.2

3---

 

MED

11.5

13.8

28.4

---

 

14.0

16.8

32.2

460

 

 

23.0

27.7

45.8

 

 

 

 

---

---

11.2

 

 

6.0

7.2

20.2

 

HIGH

11.5

13.8

28.4

 

 

14.0

16.8

32.2

 

 

23.0

27.7

45.8

60

DD---STD

---

---

10.6

3---

MED

---

---

9.0

---

 

 

 

 

575

HIGH

---

---

8.6

 

See Notes page 49.

 

 

 

WITHOUT C.O. or UNPWR C.O.

WITHOUT P.E.

 

 

 

WITH P.E.

 

MOCP

 

DISC. SIZE

MCA

 

MOCP

 

DISC. SIZE

 

 

 

 

 

 

 

 

 

 

 

FLA

LRA

 

FLA

LRA

 

 

 

 

 

 

50

 

35

128

38.1

 

50

 

37

130

60/60

 

54/56

144/146

57.9/60.9

 

60/70

 

56/59

146/148

80/90

 

71/77

159/164

77.3/83.4

 

80/90

 

74/79

161/166

100/110

 

89/98

222/236

96.7/105.8

 

100/110

 

91/100

224/238

125/150

 

108/119

254/273

116.6/128.7

 

125/150

 

110/121

256/275

150/150

 

122/136

280/303

132.8/147.4

 

150/150

 

125/138

282/305

30

 

26

94

27.9

 

40

 

28

96

50/50

 

42/44

108/110

44.9/47.4

 

50/50

 

44/46

110/112

50/60

 

47/50

112/115

50.6/54.1

 

60/60

 

49/52

114/117

70/80

 

64/70

127/133

69.7/76.1

 

70/80

 

67/72

129/135

90/90

 

76/84

182/195

82.7/91.1

 

90/100

 

79/86

184/197

30

 

23

106

25.7

 

30

 

26

108

50/50

 

39/41

120/122

42.7/45.2

 

50/50

 

41/44

122/124

50/50

 

44/47

124/127

48.4/51.9

 

50/60

 

46/50

126/129

70/80

 

62/68

139/145

67.5/73.9

 

70/80

 

64/70

141/147

80/90

 

74/82

194/207

80.5/88.9

 

90/90

 

76/84

196/209

30

 

23

117

25.7

 

30

 

26

119

50/50

 

39/41

131/133

42.7/45.2

 

50/50

 

41/44

133/135

50/50

 

44/47

135/138

48.4/51.9

 

50/60

 

46/50

137/140

70/80

 

62/68

150/156

67.5/73.9

 

70/80

 

64/70

152/158

80/90

 

74/82

205/218

80.5/88.9

 

90/90

 

76/84

207/220

20

 

17

51

17.5

 

25

 

18

52

30

 

25

58

26.5

 

30

 

26

59

35

 

33

65

34.8

 

35

 

34

66

40

 

36

68

38.5

 

40

 

37

69

60

 

49

106

52.1

 

60

 

50

107

15

 

11

52

12.2

 

15

 

12

53

25

 

19

59

21.2

 

25

 

20

60

30

 

27

66

29.4

 

30

 

28

67

35

 

30

69

33.2

 

35

 

32

70

50

 

43

107

46.8

 

50

 

44

108

15

 

11

58

12.2

 

15

 

12

59

25

 

19

65

21.2

 

25

 

20

66

30

 

27

72

29.4

 

30

 

28

73

35

 

30

75

33.2

 

35

 

32

76

50

 

43

113

46.8

 

50

 

44

114

15

 

11

43

12.5

 

15

 

13

45

15

 

9

46

10.9

 

15

 

11

48

15

 

9

50

10.5

 

15

 

11

52

 

 

 

 

 

 

 

 

 

 

50

Page 50
Image 50
Bryant 548J manual Cont. MCA/MOCP Determination Without C.O. or Unpwrd C.O, ELEC. HTR Unit, Type FLA, Mca

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.