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

Page 56

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

Image 56
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 TonsMotor Frame Size Fan Qty / Type 8.5 Tons548J*08 548J*09 Electric Heat Electrical Data Single Point KIT Part Number Crsinglexxxxxx UnitElectric Heater NOM APP Part Number PWR Type With Pwrd C.OElectric Drive X13 5 speed/torque motor Cont. Electric Heat Electrical Data208/230 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 9001400 548J*05 105 115 EA dB1200 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 BHP1200 1300 1400 1500 1600 1700 1800 1900 2000 548J*05 Electric DRIVE, X13 MOTOR, 4 TON Horizontal Supply548J*05 Electric DRIVE, X13 MOTOR, 4 TON Vertical Supply 1500 1625 1750 1875 2000 2125 2250 2375 2500 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Horizontal Supply548J*06 Electric DRIVE, X13 MOTOR, 5 TON Vertical Supply TON Horizontal Supply CFM RPM BHP 548J*05Available External Static Pressure IN. WG CFM RPM BHP 548J*06 1800 907 548J*071800 927 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.