16
ARI* CAPACITY RATINGS — 579F180-300
LOW HEAT UNITS
HIGH HEAT UNITS
LEGEND
*Air Conditioning and Refrigeration Institute.
NOTES:
1. Rated in accordance with ARI Standards 360 and 270.
2. The 579F300 is beyond the scope of the ARI Certification
Program.
3. ARI ratings are net values, reflecting the effects of circulating fan
heat.
4. Ratings are based on:
Cooling Standard: 80 F db, 67 F wb indoor entering-air tempera-
ture and 95 F db air entering outdoor unit.
IPLV Standard: 80 F db, 67 F wb indoor entering-air temperature
and 80 F db outdoor entering-air temperature.

HEATING CAPACITIES AND EFFICIENCIES — 579F180-300

*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.
For entering-air temperatures below 45 F both stages of heat must be energized together to minimize
condensation issues and ensure proper unit operation. Mixed air below 35 F optional stainless steel
heat exchangers are recommended.

AIR QUANTITY LIMITS LOW OUTDOOR TEMPERATURE

OPERATING LIMITS (F)

UNIT
579F NOMINAL
TONS
NET COOLING
CAPACITY
(Btuh)
TOTAL
WATTS EER SOUND
RATING
(dB) IPLV
180 15 174,000 20,128 8.6 88 9.3
216 18 188,000 21,619 8.7 88 9.5
240 20 220,000 25,513 8.6 94 8.7
300 25 268,000 31,068 8.6 94 9.2
UNIT
579F NOMINAL
TONS
NET COOLING
CAPACITY
(Btuh)
TOTAL
WATTS EER SOUND
RATING
(dB) IPLV
180 15 174,000 20,154 8.6 88 9.3
216 18 186,000 21,798 8.5 88 9.3
240 20 218,000 25,719 8.5 94 8.5
300 25 268,000 31,600 8.5 94 8.9
dB — Sound Levels (decibels)
db — Dry Bulb
EER — Energy Efficiency Ratio
IPLV — Integrated Part-Load Values
wb — Wet Bulb
UNIT
579F
HEATING INPUT
(Btuh)
Stage 2/Stage 1*
OUTPUT CAPACITY
(Btuh) TEMPERATURE
RISE (F) STEADY-STATE
EFFICIENCY (%) MINIMUM
HEATING CFM
180230 230,000/172,000 186,000 15-45 81.0 3830
180300 300,000/225,000 243,000 30-60 81.0 3750
216275 275,000/206,000 223,000 15-45 81.0 4580
216360 360,000/270,000 292,000 20-50 81.0 5400
240275 275,000/206,000 223,000 15-45 81.0 4580
240360 360,000/270,000 292,000 20-50 81.0 5400
300275 275,000/206,000 223,000 15-45 81.0 4580
300360 360,000/270,000 292,000 20-50 81.0 5400
UNIT 579F MINIMUM CFM MAXIMUM CFM
180 4500 7,500
216 5400 9,000
240 6000 10,000
300 7000 11,250
UNITS TEMPERATURE
All 40
180 and 216 with Low Ambient Kit 10
240 and 300 with Low Ambient Kit 25
All with Motormaster® Head Pressure Control –20