Bryant 579F User Manual
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MODEL DESCRIPTION
(ODS Model Number)
HEATING CAPACITIES AND EFFICIENCIES, 036-150 UNITS
UNIT 580D
HEATING INPUT
(Btuh)
Stage 2/Stage 1
OUTPUT CAPACITY
(Btuh)
TEMPERATURE
RISE (F)
AFUE (%)
STEADY-STATE
EFFICIENCY
(%)
CALIFORNIA
SEASONAL
EFFICIENCY (%)
036 072
—/ 72,000
59,200
25-55
80.0
80.0
77.2
036 115
115,000/ 82,000
92,000
55-85
80.0
80.0
76.7
048 072
—/ 72,000
59,200
25-55
80.0
80.0
77.2
048 115
—/115,000
92,000
35-65
80.0
80.0
77.1
048 150
150,000/120,000
120,000
50-80
80.0
80.0
76.9
060 072
—/ 72,000
59,200
25-55
80.0
80.0
77.2
060 115
—/115,000
92,000
35-65
80.0
80.0
77.1
060 150
150,000/120,000
120,000
50-80
80.0
80.0
76.9
072 072
—/ 72,000
59,200
25-55
80.0
80.0
77.2
072 115
—/115,000
92,000
35-65
80.0
80.0
77.1
072 150
150,000/120,000
120,000
50-80
80.0
80.0
76.9
090 125
—/125,000
100,000
20-50
80.0
80.0
75.8
090 180
180,000/120,000
144,000
35-65
80.0
80.0
77.1
090 224
224,000/180,000
179,200
45-75
80.0
80.0
77.1
102 125
—/125,000
100,000
20-50
80.0
80.0
75.8
102 180
180,000/120,000
144,000
35-65
80.0
80.0
77.1
102 224
224,000/180,000
179,200
45-75
80.0
80.0
77.1
120 180
180,000/120,000
144,000
35-65
80.0
80.0
77.1
120 224
224,000/180,000
179,200
35-65
80.0
80.0
77.1
120 250
250,000/200,000
200,000
40-70
80.0
80.0
76.4
150 224
224,000/180,000
179,200
35-65
80.0
80.0
77.1
150 250
250,000/200,000
200,000
40-70
80.0
80.0
76.4
LEGEND
AFUE — Annual Fuel Utilization Efficiency
NOTE: NO
x
levels are 40 nanograms/joule with the accessory NO
x
reduction kit (036-150).
HEATING CAPACITIES AND EFFICIENCIES, 180-300 UNITS
UNIT 579F
HEATING INPUT
(Btuh)
Stage 2/Stage 1*
OUTPUT CAPACITY
(Btuh)
TEMPERATURE
RISE (F)
STEADY-STATE
EFFICIENCY
(%)
MINIMUM HEATING
CFM
180 231
231,000/115,500
185,000
25-55
80.0
3057
180 270
270,000/115,500
216,000
25-55
80.0
3570
216 270/240 270
270,000/115,500
216,000
15-45
80.0
4364
240 485
485,000/242,500
388,000
35-65
80.0
5427
300 270
270,000/115,500
216,000
15-45
80.0
4364
300 485
485,000/242,500
388,000
35-65
80.0
5427
*All units are 2-stage heat.
NOTE: Minimum allowable temperature of mixed-air entering the heat exchanger during first-stage heating is 45 F. There is no minimum mixed-air
temperature limitation during second-stage heating.
LEGEND
ODS — Order Distribution System
*Refer to Trade Price Sheets or contact your local representative for
specific information regarding which options are available on which
units.
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