Lennox LIUH018021T431E-1 Service Manual page 34

LIFHC060021T431E-1
Air flow rate(m3/h )
（ no filter ）
4800
4400
4000
3600
3200
3100
2800
2400
2000
1600
1500
1200
800
400
0
10 20 25 30
3500
3000
2500
2000
1500
1000
500
0
0 20
Indoor Units
L M
40 50 60 70 80 90 100 110 120 130 140 150 160
40 60 80
External Static Pressure (Pa)
H
100 120 140
Static Pressure
SP1
SP2
SP3
SP4
External Static Pressure
（ pa ）
H
M
L
160 180
32