Bryant 581A User Manual
Page 4
HEATING CAPACITIES AND EFFICIENCIES
UNIT 581A
HEATING INPUT
(Btuh)
Stage 2/Stage 1
OUTPUT CAPACITY
(Btuh)
TEMPERATURE
RISE (F)
STEADY-STATE
EFFICIENCY
(%)
MINIMUM
HEATING
CFM
155 154
—/154,000
123,000
15-45
80
2485
155 231
231,000/115,500
185,000
25-55
80
3057
180 270
270,000/115,500
216,000
15-45
80
4364
240 270
270,000/115,500
216,000
15-45
80
4364
240 485
485,000/242,500
388,000
35-65
80
5427
CAPACITY RATINGS
UNIT 581A
NOMINAL
TONS
NET COOLING
TOTAL
kW
EER
IPLV
CAPACITY
(Btuh)
155
13
146,000
13.91
10.5
12.8
180
15
186,000
18.05
10.3
10.5
240
20
234,000
25.29
9.3
9.3
LEGEND
ARI
— Air Conditioning and Refrigeration Institute
EER — Energy Efficiency Ratio
IPLV — Integrated Part-Load Values
NOTE:
Rated in accordance with ARI Standards 360-86.
Ratings are net values, reflecting the effects of circulating fan heat.
Ratings are based on:
Cooling Standard: 80 F db, 67 F wb indoor entering-air temperature and 95 F db air entering out-
door unit.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature and 80 F db outdoor entering-air
temperature.
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