Lennox LCH036 Installation Instructions Manual page 87

TABLE 24
MINIMUM AND MAXIMUM CFM
BELT DRIVE STD. & HIGH EFFICIENCY UNITS
Gas Heat Minimum CFM
Unit
LGH092-120, 150
LGH092-120, 150
Electric Heat Minimum CFM
Unit
LCH092-102
LCH092-150
LCH120-150
Cooling Low Minimum CFM - 220 CFM/ton
Unit
LGH/LCH092
LGH/LCH102
LGH/LCH120
LGH/LCH150
Cooling High Minimum CFM - 280 CFM/ton
Unit
LGH/LCH092
LGH/LCH102
LGH/LCH120
LGH/LCH150
Smoke and Ventilation Minimum CFM - 150 CFM/ton
Unit
LGH/LCH092
LGH/LCH102
LGH/LCH120
LGH/LCH150
Heating and Cooling Maximum CFM - 480 CFM/ton
Unit
LGH/LCH092
LGH/LCH102
LGH/LCH120
LGH/LCH150
Gas Heat Airflow
Size CFM
Std.,
2225
Med.
High 2550
Heat Size Airflow
(kW) CFM
0 2800
15,
22.5, 2800
30, 45
0, 60 4000
Blower Airflow
Speed CFM
Low 1650
Low 1870
Low 2200
Low 2750
Blower
Airflow
Speed
CFM
High 2100
High 2380
High 2800
High 3500
Not Ap­
Airflow
plicable
CFM
NA 1125
NA 1275
NA 1500
NA 1875
Blower
Airflow
Speed
CFM
High 3600
High 4080
High 4800
High 6000
Page 37
TABLE 25
MINIMUM AND MAXIMUM CFM
BELT DRIVE ULTRA HIGH EFFICIENCY BLOWERS
094U4M, 122U4M, 152U4M
Gas Heat Minimum CFM
Unit Gas Heat Size
LGH094-152
LGH094-152
Electric Heat Minimum CFM
Unit Heat Size (kW)
LCH094 7.5, 15, 22.5, 30, 45
LCH122, 152 15, 22.5, 30, 45
LCH122, 152
Cooling Low Minimum CFM - 160 CFM/ton
Unit Blower Speed
LGH/LCH094
LGH/LCH122
LGH/LCH152
Cooling High Minimum CFM - 280 CFM/ton
Unit Blower Speed
LGH/LCH094
LGH/LCH122
LGH/LCH152
Smoke and Ventilation Minimum CFM - 150 CFM/ton
Unit Not Applicable
LGH/LCH094
LGH/LCH122
LGH/LCH152
Heating and Cooling Maximum CFM - 480 CFM/ton
Unit Blower Speed
LGH/LCH094
LGH/LCH122
LGH/LCH152
*Rounded to nearest 25 CFM.
Airflow CFM*
Std. , Med. 2225
High 2550
Airflow CFM
2800
2800
0, 60 4000
Airflow CFM
Low 1200
Low 1600
Low 2000
Airflow CFM
High 2100
High 2800
High 2500
Airflow CFM
NA 1125
NA 1500
NA 1875
Airflow CFM
High 3600
High 4800
High 6000