Bryant 548J manual Unit IFM Type NOM STD MED, High, See, FLA DISC. Size MCA Mocp LRA

Page 52

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

548J

 

 

---HZ

 

 

UNIT

 

V---PH

 

IFM

 

 

TYPE

 

 

NOM.

 

 

 

 

 

 

STD

 

 

---3---60

 

MED

 

 

208/230

 

 

 

 

 

 

 

 

 

HIGH

548J*07

 

 

 

STD

 

 

---3---60

 

MED

 

 

460

 

 

 

 

 

 

HIGH

 

 

60

 

STD

 

 

3---

 

MED

 

 

---

 

 

 

 

 

 

 

575

 

HIGH

 

 

 

 

See

 

Notes

 

page 49.

 

 

ELEC. HTR

 

 

WITHOUT C.O. or UNPWR C.O.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WITHOUT P.E.

 

 

WITH P.E.

 

Nom

 

 

 

 

 

 

 

 

 

FLA

 

 

DISC. SIZE

 

 

DISC. SIZE

(kW)

MCA

MOCP

MCA

MOCP

 

 

 

 

 

 

 

FLA

LRA

FLA

LRA

 

 

 

 

 

 

---

---

30.5

45

30

146

32.4

50

32

148

4.9/6.5

13.6/15.6

47.5/50.0

60/60

45/47

160/162

49.4/51.9

60/60

47/50

162/164

7.9/10.5

21.9/25.3

57.8/62.1

60/70

55/59

168/171

59.7/64.0

60/70

57/61

170/173

12.0/16.0

33.4/38.5

72.2/78.6

80/80

68/74

179/185

74.1/80.5

80/90

70/76

181/187

15.8/21.0

43.8/50.5

85.2/93.6

90/100

80/88

234/247

87.1/95.5

90/100

82/90

236/249

19.9/26.5

55.2/63.8

99.5/110.2

100/125

93/103

256/274

101.4/112.1

110/125

95/105

258/276

---

---

32.8

50

32

183

34.7

50

34

185

4.9/6.5

13.6/15.6

49.8/52.3

60/60

48/50

197/199

51.7/54.2

60/60

50/52

199/201

7.9/10.5

21.9/25.3

60.1/64.4

70/70

57/61

205/208

62.0/66.3

70/70

60/63

207/210

12.0/16.0

33.4/38.5

74.5/80.9

80/90

71/76

216/222

76.4/82.8

80/90

73/79

218/224

15.8/21.0

43.8/50.5

87.5/95.9

90/100

83/90

271/284

89.4/97.8

90/100

85/92

273/286

19.9/26.5

55.2/63.8

101.8/112.5

110/125

96/106

293/311

103.7/114.4

110/125

98/108

295/313

---

---

32.8

50

32

183

34.7

50

34

185

4.9/6.5

13.6/15.6

49.8/52.3

60/60

48/50

197/199

51.7/54.2

60/60

50/52

199/201

7.9/10.5

21.9/25.3

60.1/64.4

70/70

57/61

205/208

62.0/66.3

70/70

60/63

207/210

12.0/16.0

33.4/38.5

74.5/80.9

80/90

71/76

216/222

76.4/82.8

80/90

73/79

218/224

15.8/21.0

43.8/50.5

87.5/95.9

90/100

83/90

271/284

89.4/97.8

90/100

85/92

273/286

19.9/26.5

55.2/63.8

101.8/112.5

110/125

96/106

293/311

103.7/114.4

110/125

98/108

295/313

---

---

15.5

25

15

73

16.5

25

16

74

6.0

7.2

24.5

30

23

80

25.5

30

24

81

11.5

13.8

32.8

35

31

87

33.8

40

32

88

14.0

16.8

36.5

40

34

90

37.5

40

36

91

23.0

27.7

50.2

60

47

128

51.2

60

48

129

25.5

30.7

53.9

60

50

134

54.9

60

52

135

---

---

16.3

25

16

92

17.3

25

17

93

6.0

7.2

25.3

30

24

99

26.3

30

25

100

11.5

13.8

33.6

35

32

106

34.6

40

33

107

14.0

16.8

37.3

40

35

109

38.3

40

36

110

23.0

27.7

51.0

60

48

147

52.0

60

49

148

25.5

30.7

54.7

60

51

153

55.7

60

52

154

---

---

16.3

25

16

92

17.3

25

17

93

6.0

7.2

25.3

30

24

99

26.3

30

25

100

11.5

13.8

33.6

35

32

106

34.6

40

33

107

14.0

16.8

37.3

40

35

109

38.3

40

36

110

23.0

27.7

51.0

60

48

147

52.0

60

49

148

25.5

30.7

54.7

60

51

153

55.7

60

52

154

---

---

12.3

15

12

59

14.2

20

14

61

---

---

12.7

20

12

74

14.6

20

15

76

---

---

12.7

20

12

74

14.6

20

15

76

 

 

 

 

 

 

 

 

 

 

52

Image 52
Contents Product Data Table of Contents Features and Benefits Model Number Nomenclature Factory Options AND/OR Accessories FACTORY-INSTALLED Options and FIELD-INSTALLED AccessoriesOption Accessory FieldConvenience Outlet powered or un-powered Power Exhaust Pressure ReliefFilter or Fan Status Switches Economizer dry-bulb or enthalpyMotormaster Head Pressure Controller Alternate Motors and DrivesThru-the-Base Connections Electric HeatersARI Cooling Rating Tables Minimum Maximum Airflows Electric Heat Sound Performance TablePhysical Data Tons548J*08 548J*09 8.5 TonsMotor Frame Size Fan Qty / Type Electric Heat Electrical Data Single Point KIT Part Number Crsinglexxxxxx UnitElectric Heater NOM APP Part Number PWR Type With Pwrd C.O208/230 Cont. Electric Heat Electrical DataElectric Drive X13 5 speed/torque motor 105A00 16.0 12.0/14.7 038A00 Crheaterxxxxxx Without P.E With P.ECont. Electric Heat Electrical Data Tons Cool460 115A00 33.0 30.3 050A00 575Weights & Dimensions Dimensions 548JDimension Condition Unit disconnect is mounted on panel356 548J*04-07A 610C08679 C08680 356 Application Data Selection Procedure with 548J*07 Example Ambient Temperature Cooling Capacities548J*04 105 115 EA dB 9001200 548J*05 105 115 EA dB1400 548J*06 105 115 EA dB 15002250 2500548J*07 105 115 EA dB 18002100 2400548J*08 105 115 EA dB 26253375 3750548J*09 105 115 EA dB 25502975 3400Temperature AIR Entering Outdoor Coil F db at 70% rh Heating Capacities548J*04 ReturnHeating Capacity Heating Capacity Tons 548J*08Static Pressure Adders Factory Options and/or Accessories General fan performance notesFAN Performance 548J*04 Electric DRIVE, X13 MOTOR, 3 TON Horizontal Supply548J*04 Electric DRIVE, X13 MOTOR, 3 TON Vertical Supply Speed Torque CFM ESP BHP548J*05 Electric DRIVE, X13 MOTOR, 4 TON Vertical Supply 548J*05 Electric DRIVE, X13 MOTOR, 4 TON Horizontal Supply1200 1300 1400 1500 1600 1700 1800 1900 2000 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Vertical Supply 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Horizontal Supply1500 1625 1750 1875 2000 2125 2250 2375 2500 TON Horizontal Supply Available External Static Pressure IN. WG CFM RPM BHP 548J*05CFM RPM BHP 548J*06 1800 927 548J*071800 907 548J*08 2250 5092250 788 847 2250 528548J*09 2550 468 5462550 806 863 2550 495 570Pulley Adjustment Unit MOTOR/DRIVE Combo Motor Pulley Turns OpenECONOMIZER, Barometric Relief and PE Performance 2000 1000Electrical Information 548J*04 Stage Cooling548J*05 Stage Cooling 548J*06 Stage Cooling548J*07 Stage Cooling 548J*08 Stage Cooling Tons548J*09 Stage Cooling Tons Range RLA LRAMCA/MOCP Determination Without C.O. or Unpwrd C.O ELEC. HTRUnit IFM Without P.E With P.E Type FLA DISC. SizeCont. MCA/MOCP Determination Without C.O. or Unpwrd C.O ELEC. HTR UnitType FLA MCA70/74 76/8279/84 46/48Unit IFM Type NOM STD MED HighSee FLA DISC. Size MCA Mocp LRA41.5 197 65/6878/84 43.8 23445.7 205 69/7282/88 48.0 242MCA/MOCP Determination with Pwrd C.O ELEC. HTR With Pwrd C.O Unit IFM Without P.E With P.ECont. MCA/MOCP Determination with Pwrd C.O 111113 10846.5 33.320.2 29.2Electric Heater With Pwrd C.O Without P.E With P.E Electric Heater With Pwrd C.O Unit IFM Without P.E With P.E 50.5 210 74/7888/93 52.8 247Typical Wiring Diagrams Stage Cooling Typical Power DiagramC09065 Multi-Protocol Option Diagram Stage Typical Wiring Diagram C09064 Sequence of Operation Automatic changeover Continuous air circulationCycle-LOCprotection Emergency heatGuide Specifications 548J*04-09 Hvac Guide Specifications23 09 33 Electric and Electronic Control System for Hvac 23 09 93 Sequence of Operations for Hvac Controls23 40 13 Panel Air Filters 23 81 19 Self-Contained Air Conditioners548J 548J 548J 548J 548J Catalog No. PDS548J---01

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.