5
AHRI RATINGS (2-STAGE COOLING)
LEGEND
NOTE: 581J**28 horizontal units are only available with a 2-speed
option.
SOUND RATINGS TABLE
LEGEND
NOTES:
1. Outdoor sound data is measured in accordance with AHRI.
2. Measurements are expressed in terms of sound power. Do not
compare these values to sound pressure values because sound
pressure depends on specific environmental factors which nor-
mally do not match individual applications. Sound power values
are independent of the environment and therefore more accurate.
3. A-weighted sound ratings filter out very high and very low fre-
quencies, to better approximate the response of “average” human
ear. A-weighted measurements for Bryant units are taken in
accordance with AHRI.
MINIMUM - MAXIMUM AIRFLOW RATINGS (CFM) — NATURAL GAS AND PROPANE
581J UNIT CONFIGURATION
NOM. CAPACITY
(TONS)
NET COOLING
CAPACITY (MBH)
TOTAL POWER
(kW)
EER
IEER
(Single Speed)
IEER (2-Speed)
17
Vertical
15.0 174
14.5 12.0 13.0 13.5
Horizontal 15.1 11.5 12.2 13.0
20
Vertical
17.5 202
16.8 12.0 13.0 13.6
Horizontal 17.9 11.3 11.5 13.2
24
Vertical
20.0 232
19.3 12.0 13.2 13.8
Horizontal 20.4 11.4 12.0 13.0
28
Vertical
25.0 282
25.2 11.2 12.0 12.5
Horizontal 26.9 10.5 N/A 12.2
AHRI — Air-Conditioning, Heating and Refrigeration Institute
EER — Energy Efficiency Ratio
IEER — Integrated Energy Efficiency Ratio
581J UNIT
COOLING
STAGES
OUTDOOR SOUND (dB) AT 60Hz
A-WEIGHTED LINEAR
AHRI-370
RATING
31.5 63 125 250 500 1000 2000 4000 8000
17 2 84.1 96.2 84 92.6 92.0 84.0 80.0 82.0 78.7 76.5 72.2 65.4
20 2 84.1 96.2 84 92.6 92.0 84.0 80.0 82.0 78.7 76.5 72.2 65.4
24 2 86.5 99.6 87 96.2 95.6 87.5 84.2 84.2 81.7 77.9 73.2 66.3
28 2 85.9 103.0 86 101.0 97.0 88.0 84.0 83.0 80.7 77.4 73.4 67.3
dB — Decibel
581J
UNIT
HEAT
LEVEL
COOLING
ALUMINUM HEATING STAINLESS STEEL HEATING
MINIMUM
SINGLE SPEED
FAN MOTOR
MINIMUM
2-SPEED FAN
MOTOR (AT
HIGH SPEED)
MINIMUM
2-SPEED FAN
MOTOR (AT
LOW SPEED)
MAXIMUM MINIMUM MAXIMUM MINIMUM MAXIMUM
17
LOW
4,500 5,070 3,380 7,500
3,000 8,250 3,000 8,250
MED 3,880 7,750 3,880 7,750
HIGH 4,620 8,570 4,620 8,570
20
LOW
5,250 5,915 3,943 9,000
3,000 11,000 3,000 11,000
MED 3,880 9,300 3,880 9,300
HIGH 4,620 10,000 4,620 10,000
24
LOW
6,000 7,500 5,000 10,000
3,000 11,000 3,000 11,000
MED 3,880 11,630 3,880 11,630
HIGH 4,620 10,000 4,620 10,000
28
LOW
7,500 8,450 5,633 12,500
3,000 16,500 3,000 16,500
MED 3,880 15,500 3,880 15,500
HIGH 4,620 15,000 4,620 15,000
CAPACITY RATINGS