MODEL DESCRIPTION
ODS CATALOG ORDERING NUMBER NOMENCLATURE
ARI* CAPACITY RATINGS
COOLING HEATING-HIGH TEMP HEATING-LOW TEMP
Total
kW
Net
Capacity
(Btuh)
Cfm EER
Total
Capacity
(Btuh)
Total
kW
COP
Total
Capacity
(Btuh)
Total
kW
COP
21.0 162,000 6750 8.5 166,000 17.5 2.8 92,000 14.3 1.8
LEGEND
COP — Coefficient of Performance
db — Dry Bulb
EER — Energy Efficiency Ratio
ESP — External Static Pressure
kW — Kilowatts
wb — Wet Bulb
*Air Conditioning and Refrigeration Institute.
NOTE: 542F180 units are rated in accordance with ARI Standard 340.
Cooling ratings are net values, reflecting the effects of circulating fan
heat. Ratings are based on:
ESP: −.35 in. wg
Cooling Standard: 80 F db, 67 F wb indoor coil entering-air tempera-
ture and 95 F outdoor coil entering-air temperature.
High-Temp Heating Standard: 70 F db indoor coil entering-air tem-
perature and 47 F db, 43 F wb outdoor coil entering-air temperature.
Low-Temp Heating Standard: 70 F db indoor coil entering-air tem-
perature and 17 F db, 15 F wb outdoor coil entering-air temperature.
3
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