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TABLE 27
MINIMUM AND MAXIMUM CFM
092H, 102H, 120H, 150S
Gas Heat Minimum CFM
Unit Gas Heat Size Airflow CFM
LGH092-150 Std. , Med. 2225
LGH092-150 High 2550
Electric Heat Minimum CFM
Unit Heat Size (kW) Airflow CFM
LCH092-102 0 2800
LCH092-150 7.5, 15, 22.5, 30, 45 2800
LCH120-150 0, 60 4000
Cooling Minimum CFM - 220* CFM/ton
Unit Blower Speed Airflow CFM
LGH/LCH092 Low 1650
LGH/LCH102 Low 1870
LGH/LCH120 Low 2200
LGH/LCH150 Low 2750
Cooling Minimum CFM - 280* CFM/ton
Unit Blower Speed Airflow CFM
LGH/LCH092 High 2100
LGH/LCH102 High 2380
LGH/LCH120 High 2800
LGH/LCH150 High 3500
Smoke and Ventilation Minimum CFM - 150 CFM/ton
Unit Not Applicable Airflow CFM
LGH/LCH092 NA 1125
LGH/LCH102 NA 1275
LGH/LCH120 NA 1500
LGH/LCH150 NA 1875
Heating and Cooling Maximum CFM - 480 CFM/ton
Unit Blower Speed Airflow CFM
LGH/LCH092 High 3600
LGH/LCH102 High 4080
LGH/LCH120 High 4800
LGH/LCH150 High 6000
*Refer to table 29 for ultra high efficiency unit minimum
CFM / ton. Ultra high efficiency units are equipped with tan
dem compressors which allow lower minimum airflow.