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Bryant 581A/B User Manual

Page 11

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11

ARI* CAPACITY RATINGS (cont)

HEATING CAPACITIES AND EFFICIENCIES — 581B036-150(cont)

208/230/460-3-60 — SINGLE-STAGE GAS HEAT — LOW NOx

208/230/460-3-60 — SINGLE-STAGE GAS HEAT

(California Compliant Models)

208/230/460-3-60 — 2-STAGE GAS HEAT

LEGEND

AFUE — Annual Fuel Utilization Efficiency
NOTE: Capacities for stainless steel heat exchanger units are the same as standard units.

UNIT
581B

INPUT CAPACITY

OUTPUT CAPACITY

TEMPERATURE

RISE (°F)

MINIMUM HEATING

AIRFLOW (CFM)

EFFICIENCY

AFUE (%)

Steady State (%)

036060N

60,000

50,000

20-50

930

80.2

81.2

036090N

90,000

74,000

30-60

1150

81.0

81.4

048060N

60,000

50,000

20-50

930

80.2

81.2

048090N

90,000

74,000

30-60

1150

81.0

81.4

048120N

120,000

101,000

40-70

1340

80.7

82.4

060060N

60,000

50,000

20-50

930

80.2

81.2

060090N

90,000

74,000

30-60

1150

81.0

81.4

060120N

120,000

101,000

40-70

1340

80.7

82.4

UNIT
581B

INPUT CAPACITY

OUTPUT CAPACITY

TEMPERATURE

RISE (°F)

MINIMUM HEATING

AIRFLOW (CFM)

EFFICIENCY

AFUE (%)

Steady State (%)

036071

72,000

59,040

25-55

1000

82.0

82.0

036114

115,000

93,150

55-85

1020

80.0

80.0

048071

72,000

59,040

25-55

1000

82.0

82.0

048114

115,000

93,150

30-60

1440

81.0

81.0

048149

150,000

120,000

50-80

1390

80.0

80.0

060071

72,000

59,040

25-55

1220

82.0

82.0

060114

115,000

93,150

35-65

1330

81.0

81.0

060149

150,000

120,000

50-80

1390

80.0

80.0

UNIT
581B

INPUT CAPACITY

OUTPUT CAPACITY

TEMPERATUR

E

RISE (°F)

MINIMUM

HEATING

AIRFLOW (CFM)

EFFICIENCY

1st Stage

2nd Stage

1st Stage

2nd Stage

AFUE (%)

Steady State (%)

036072

50,000

72,000

41,000

59,040

25-55

1004

82.8

82.0

036115

82,000

115,000

65,600

93,150

55-85

1002

80.0

80.0

048072

50,000

72,000

41,000

59,040

25-55

1004

82.8

82.0

048115

82,000

115,000

66,420

93,150

35-65

1330

81.0

81.0

048150

120,000

150,000

96,000

120,000

50-80

1390

80.4

80.0

060072

50,000

72,000

41,000

59,040

25-55

1004

82.8

82.0

060115

82,000

115,000

66,420

93,150

35-65

1330

81.0

81.0

060150

120,000

150,000

96,000

120,000

50-80

1370

80.4

80.0

072072

50,000

72,000

41,000

59,040

25-55

1220

82.0

82.0

072115

82,000

115,000

66,420

93,150

35-65

1330

81.0

81.0

072150

120,000

150,000

96,000

120,000

50-80

1390

80.0

80.0

090125

90,000

125,000

73,800

102,500

20-50

1900

82.0

82.0

090180

120,000

180,000

98,400

147,600

35-65

1440

82.0

82.0

090224

180,000

224,000

147,600

183,680

45-75

2230

82.0

82.0

102125

90,000

125,000

73,800

102,500

20-50

1900

82.0

82.0

102180

120,000

180,000

98,400

147,600

35-65

1440

82.0

82.0

102224

180,000

224,000

147,600

183,680

45-75

2230

82.0

82.0

120180

120,000

180,000

98,400

147,600

35-65

1440

82.0

82.0

120224

180,000

224,000

147,600

183,680

35-65

2570

82.0

82.0

120250

200,000

250,000

160,000

200,000

40-70

2650

80.0

80.0

150224

180,000

224,000

147,600

183,680

35-65

2570

82.0

82.0

150250

200,000

250,000

160,000

200,000

40-70

2650

80.0

80.0