Bryant 581J installation instructions Unit Wire/Fuse or Hacr Breaker Sizing Data

Page 37

Table 5 – Unit Wire/Fuse or HACR Breaker Sizing Data

 

 

 

 

 

 

 

NO C.O. or UNPWR 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

 

 

32.0

50

31

148

35.8

 

50

36

 

152

 

208/230--- 3--- 60

MED

0.48

3.8

34.3

50

34

185

38.1

 

50

38

 

189

 

 

HIGH

 

 

41.8

60

43

211

45.6

 

60

47

 

215

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*07

 

STD

 

 

16.3

25

16

75

18.1

 

25

18

 

77

 

HIGH

 

 

21.1

30

22

107

22.9

 

30

24

 

109

 

460--- 3--- 60

MED

0.25

1.8

17.1

25

17

94

18.9

 

25

19

 

96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

11.7

15

11

61

15.5

 

20

16

 

65

 

575--- 3--- 60

MED

0.24

3.8

13.3

20

13

76

17.1

 

20

17

 

80

 

 

HIGH

 

 

16.1

20

16

90

19.9

 

25

21

 

94

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

38.8

50

41

191

42.6

 

50

45

 

195

 

208/230--- 3--- 60

MED

0.48

3.8

38.8

50

41

202

42.6

 

50

45

 

206

 

 

HIGH

 

 

43.6

50

46

245

47.4

 

60

51

 

249

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*08

 

STD

 

 

17.9

20

19

95

19.7

 

25

21

 

97

 

HIGH

 

 

19.7

25

21

123

21.5

 

25

23

 

125

 

460--- 3--- 60

MED

0.25

1.8

17.9

20

19

101

19.7

 

25

21

 

103

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

11.9

15

12

77

15.7

 

20

17

 

81

 

575--- 3--- 60

MED

0.24

3.8

12.7

15

13

81

16.5

 

20

18

 

85

 

 

HIGH

 

 

13.5

15

14

92

17.3

 

20

19

 

96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

39.0

50

41

191

42.8

 

50

45

 

195

 

208/230--- 3--- 60

MED

0.48

3.8

39.0

50

41

202

42.8

 

50

45

 

206

 

 

HIGH

 

 

43.8

50

46

245

47.6

 

60

51

 

249

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*09

 

STD

 

 

18.2

20

19

95

20

 

25

21

 

97

 

HIGH

 

 

20.0

25

21

123

21.8

 

25

23

 

125

 

460--- 3--- 60

MED

0.25

1.8

18.2

20

19

101

20.0

 

25

21

 

103

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

13.2

15

14

77

17

 

20

18

 

81

 

575--- 3--- 60

MED

0.24

3.8

14.0

20

15

81

17.8

 

20

19

 

85

 

 

HIGH

 

 

14.8

20

16

92

18.6

 

20

20

 

96

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

47.2

60

50

282

51.0

 

60

54

 

286

 

208/230--- 3--- 60

MED

0.48

3.8

52.0

60

55

325

55.8

 

60

60

 

329

 

 

HIGH

 

 

57.0

70

61

334

60.8

 

70

65

 

338

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

581J*12

 

STD

 

 

23.0

30

24

135

24.8

 

30

26

 

137

 

HIGH

 

 

27.8

30

30

161

29.6

 

35

32

 

163

 

460--- 3--- 60

MED

0.25

1.8

24.8

30

26

157

26.6

 

30

28

 

159

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

STD

 

 

17.3

20

18

105

21.1

 

25

23

 

109

 

575--- 3--- 60

MED

0.24

3.8

18.1

20

19

116

21.9

 

25

24

 

120

 

 

HIGH

 

 

20.9

25

22

130

24.7

 

30

27

 

134

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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

581J

37

Image 37
Contents Installation Instructions Safety Considerations Unit Dimensional Drawing Sizes Unit Dimensional Drawing Sizes 07-09 Unit Dimensional Drawing Size Unit Dimensional Drawing Size 12 Plan for Unit Location Operating WeightsRoof Mount Units LB KGInspect Unit Plan for Sequence of Unit InstallationProvide Unit Support Roof Curb Details Sizes Roof Curb Details Size Field Fabricate Ductwork MAX Weight Dimensions UnitRig and Place Unit Install Outside Air Hood Ductwork when requiredConvert to Horizontal and Connect Positioning on CurbInstall Gas Piping Install Flue HoodEconomizer Hood and Two-Position Hood Natural Gas Supply Line Pressure Ranges Steel Pipe Spacing of Supports Nominal Diameter DimensionUnit Model Unit Size MIN MAX Gas Line Piping Condensate Drain Pan Side View Install External Condensate Trap and LineUnits Without Factory-Installed Disconnect Field Power SupplyMake Electrical Connections All UnitsConvenience Outlet Location Weatherproof Cover InstallationUnits without Thru-Base Connections Field Control WiringThermostat Unit Connect Primary TransformerField Control Wiring Raceway Heat Anticipator Settings Perfect Humidity Space RH Controller Perfect Humidityt Control ConnectionsTo connect a field-supplied humidistat To connect the Edge Programmable Thermidistat T6-PRH01-AOAT RRS RTU Open Multi-Protocol Control Board RTU Open Control SystemRTU Open System Control Wiring Diagram C11070 RTU Open Controller Inputs and Outputs Supply Air Temperature SAT SensorField Connections Space Temperature SPT SensorsEconoMi$er2 IAQ Sensor SEN J4-2 COM J4-3 24 VAC Relative Humidity Sensors Space or Duct Mounted Space Relative Humidity Sensor Typical WiringConnecting Discrete Inputs Duct Relative Humidity Sensor Typical WiringGeneral Communication Wiring ProtocolsProtocol DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1 Baud Rate DS2 DS1RTU Open Troubleshooting Local AccessLEDs Outdoor Air Enthalpy Control PNO 33CSENTHSWLEDs on the RTU Open show the status of certain functions Differential Enthalpy ControlSmoke Detectors WiringReturn Air Enthalpy Sensor SystemSmoke Detector Locations See Completing Installation of Return Air SmokeSupply Air Return Air Detector Shipping Position Unit Wire/Fuse or Hacr Breaker Sizing Data Hacr FLA LRA Brkr Unit NOM IFM Combustion Power No P.EUnbalanced 3-Phase Supply Voltage Install Accessories Adjust Factory-Installed OptionsEconoMi$er IV Occupancy Switch Smoke Detectors
Related manuals
Manual 66 pages 2.92 Kb

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.