Lennox LDT Series User Manual

Page 44
TABLE 15
HEATING, VENTILATION & SMOKE MINIMUM AND MAXIMUM CFM
Unit Heating CFM Vent CFM Smoke CFM
Model Speed Heat Code Default Min Max Default Min Max Default Min Max
LDT156H
Low L
6000
2725
6250 5200 1950 62500 5200 1950 6250
Std S 4325
Med M 4500
LHT156H
HP W/O EH N 3900
15, 30, 45, 60, 90 KW E, J, K, L, 6000
LDT180H
Low L
6000
2725
7200 6000 2250 7200 6000 2250 7200
Std S 4325
Med M 4500
High H 5125
LHT180H
HP W/O EH N 4500
15, 30, 45, 60, 90 KW E, J, K, L, P 6000
LDT240H
Low, Std, Med L, S, M
8000
4500
9600 8000 3000 9600 8000 3000 9600
High H 5125
LHT240H
HP W/O EH N 6000
15, 30, 45, 60, 90 KW E, J, K, L, P 6000
*Use highest value between Heating and Cooling High CFM Max.
*Use highest value between Heating and Cooling High CFM Max.
TABLE 16
COOLING MINIMUM AND MAXIMUM CFM
LHT/
LDT
Unit
Cooling Low CFM Cooling High CFM
Default Min Max Default Min Max
156H 3380 1500 6250 4675 4000 6250
180H 3900 2000 7200 5400 5000 7200
240H 5200 3000 9600 7200 6250 9600
*Use Cooling High CFM Max.

Lennox LDT Series Specifications

General

Brand	Lennox
Model	LDT Series
Category	Air Handlers
Language	English