Bryant 581J installation instructions Unit NOM IFM Combustion Power No P.E, Hacr FLA LRA Brkr

Page 38

581J

Table 5 — Unit Wire/Fuse or HACR Breaker Sizing Data (cont)

 

 

 

 

 

 

 

 

w/ PWRD C.O.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

UNIT

NOM.

IFM

COMBUSTION

POWER

 

NO P.E.

 

 

w/ P.E. (pwrd fr/ unit)

 

 

 

 

 

 

 

 

 

 

 

FAN MOTOR

EXHAUST

 

FUSE

DISC. SIZE

 

 

FUSE

DISC. SIZE

V---Ph---Hz

TYPE

 

 

 

 

 

 

FLA

FLA

MCA

or

 

 

MCA

 

or

 

 

 

 

 

 

 

 

HACR

FLA

LRA

 

HACR

FLA

 

LRA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BRKR

 

 

BRKR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

36.8

50

37

153

40.6

 

50

41

 

157

 

208/230--- 3--- 60

MED

0.48

3.8

39.1

50

39

190

42.9

 

60

44

 

194

 

 

HIGH

 

 

46.6

60

48

216

50.4

 

60

52

 

220

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*07

 

STD

 

 

18.5

25

19

77

20.3

 

30

21

 

79

460--- 3--- 60

MED

0.25

1.8

19.3

25

19

96

21.1

 

30

22

 

98

 

HIGH

 

 

23.3

30

24

109

25.1

 

30

26

 

111

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

13.4

20

13

63

17.2

 

20

18

 

67

 

575--- 3--- 60

MED

0.24

3.8

15.0

20

15

78

18.8

 

25

19

 

82

 

 

HIGH

 

 

17.8

25

18

92

21.6

 

25

23

 

96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

43.6

50

46

196

47.4

 

60

51

 

200

 

208/230--- 3--- 60

MED

0.48

3.8

43.6

50

46

207

47.4

 

60

51

 

211

 

 

HIGH

 

 

48.4

60

52

250

52.2

 

60

56

 

254

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*08

 

STD

 

 

20.1

25

21

97

21.9

 

25

23

 

99

460--- 3--- 60

MED

0.25

1.8

20.1

25

21

103

21.9

 

25

23

 

105

 

HIGH

 

 

21.9

25

23

125

23.7

 

30

26

 

127

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

13.6

15

14

79

17.4

 

20

19

 

83

 

575--- 3--- 60

MED

0.24

3.8

14.4

20

15

83

18.2

 

20

20

 

87

 

 

HIGH

 

 

15.2

20

16

94

19.0

 

25

21

 

98

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

43.8

50

46

196

47.6

 

60

51

 

200

 

208/230--- 3--- 60

MED

0.48

3.8

43.8

50

46

207

47.6

 

60

51

 

211

 

 

HIGH

 

 

48.6

60

52

250

52.4

 

60

56

 

254

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*09

 

STD

 

 

20.4

25

22

97

22.2

 

25

24

 

99

460--- 3--- 60

MED

0.25

1.8

20.4

25

22

103

22.2

 

25

24

 

105

 

HIGH

 

 

22.2

25

24

125

24.0

 

30

26

 

127

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

14.9

20

16

79

18.7

 

20

20

 

83

 

575--- 3--- 60

MED

0.24

3.8

15.7

20

17

83

19.5

 

25

21

 

87

 

 

HIGH

 

 

16.5

20

18

94

20.3

 

25

22

 

98

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

52.0

60

55

287

55.8

 

60

60

 

291

 

208/230--- 3--- 60

MED

0.48

3.8

56.8

70

61

330

60.6

 

70

65

 

334

 

 

HIGH

 

 

61.8

70

66

339

65.6

 

80

71

 

343

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*12

 

STD

 

 

25.2

30

27

137

27.0

 

30

29

 

139

460--- 3--- 60

MED

0.25

1.8

27.0

30

29

159

28.8

 

35

31

 

161

 

HIGH

 

 

30.0

35

32

163

31.8

 

35

34

 

165

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

19.0

25

20

107

22.8

 

25

25

 

111

 

575--- 3--- 60

MED

0.24

3.8

19.8

25

21

118

23.6

 

30

26

 

122

 

 

HIGH

 

 

22.6

25

24

132

26.4

 

30

29

 

136

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See: “Legend and Notes for Table 5” on page 39.

38

Image 38
Contents Installation Instructions Safety Considerations Unit Dimensional Drawing Sizes Unit Dimensional Drawing Sizes 07-09 Unit Dimensional Drawing Size Unit Dimensional Drawing Size 12 Roof Mount Operating WeightsPlan for Unit Location Units LB KGProvide Unit Support Plan for Sequence of Unit InstallationInspect Unit Roof Curb Details Sizes Roof Curb Details Size Rig and Place Unit MAX Weight Dimensions UnitField Fabricate Ductwork Convert to Horizontal and Connect Ductwork when requiredInstall Outside Air Hood Positioning on CurbEconomizer Hood and Two-Position Hood Install Flue HoodInstall Gas Piping Unit Model Unit Size MIN MAX Steel Pipe Spacing of Supports Nominal Diameter DimensionNatural Gas Supply Line Pressure Ranges Gas Line Piping Install External Condensate Trap and Line Condensate Drain Pan Side ViewMake Electrical Connections Field Power SupplyUnits Without Factory-Installed Disconnect All UnitsWeatherproof Cover Installation Convenience Outlet LocationThermostat Field Control WiringUnits without Thru-Base Connections Unit Connect Primary TransformerField Control Wiring Raceway Heat Anticipator Settings To connect a field-supplied humidistat Perfect Humidityt Control ConnectionsPerfect Humidity Space RH Controller To connect the Edge Programmable Thermidistat T6-PRH01-AOAT RRS RTU Open Control System RTU Open Multi-Protocol Control BoardRTU Open System Control Wiring Diagram C11070 Supply Air Temperature SAT Sensor RTU Open Controller Inputs and OutputsEconoMi$er2 Space Temperature SPT SensorsField Connections IAQ Sensor SEN J4-2 COM J4-3 24 VAC Space Relative Humidity Sensor Typical Wiring Relative Humidity Sensors Space or Duct MountedDuct Relative Humidity Sensor Typical Wiring Connecting Discrete InputsProtocol DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1 Communication Wiring ProtocolsGeneral Baud Rate DS2 DS1Local Access RTU Open TroubleshootingLEDs on the RTU Open show the status of certain functions Outdoor Air Enthalpy Control PNO 33CSENTHSWLEDs Differential Enthalpy ControlReturn Air Enthalpy Sensor WiringSmoke Detectors SystemSupply Air See Completing Installation of Return Air SmokeSmoke Detector Locations Return Air Detector Shipping Position Unit Wire/Fuse or Hacr Breaker Sizing Data Unit NOM IFM Combustion Power No P.E Hacr FLA LRA BrkrUnbalanced 3-Phase Supply Voltage EconoMi$er IV Occupancy Switch Adjust Factory-Installed OptionsInstall Accessories Smoke Detectors
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581J specifications

The Bryant 581J is a high-efficiency gas furnace that exemplifies advanced heating technology and innovative design. Known for its reliability and comfort, the Bryant 581J offers impressive performance features that cater to both residential and commercial heating needs. One of its standout characteristics is the two-stage heating system, which allows the furnace to operate at a lower stage when the heating demand is modest, providing improved comfort and energy efficiency. This feature also minimizes temperature fluctuations, ensuring a more consistent and comfortable indoor environment.

Energy efficiency is a critical aspect of the Bryant 581J. With an annual fuel utilization efficiency (AFUE) rating of up to 96%, this furnace is designed to convert a high percentage of fuel into usable heat, which helps homeowners save on energy bills. The high-efficiency design also contributes to a reduced carbon footprint, aligning with modern environmental concerns.

The Bryant 581J is equipped with technologically advanced features, including the ComfortTechâ„¢ control system. This system enables enhanced temperature regulation and integrates easily with smart home systems, allowing homeowners the convenience of remote control through smartphones and tablets. Additionally, the furnace includes an electronically commutated motor (ECM) blower, which optimizes airflow and reduces energy consumption while enhancing the overall comfort level within the space.

Noise reduction is another key characteristic of the Bryant 581J. The furnace is engineered with sound-dampening technology, resulting in quieter operation compared to conventional furnaces. This attention to noise management makes it an appealing choice for residential applications, where peace and tranquility are crucial.

The durable construction of the Bryant 581J ensures longevity and reliability. With a robust cabinet and quality materials, it is built to withstand the rigors of daily operation. Furthermore, the furnace comes with a warranty that provides peace of mind, protecting the investment over the years.

Overall, the Bryant 581J represents a blend of efficiency, advanced technology, and reliable performance. With its high AFUE rating, innovative features, and quiet operation, it stands out in the market as a top choice for anyone seeking a dependable heating solution. Whether for new installations or replacements, the Bryant 581J is designed to meet the heating demands of today's energy-conscious homeowners.