Lennox LIUH018021T431E-1 Service Manual page 32

LIFHC036021T431E-1
Air flow rate(m3/h )
（ no filter ）
3200
3000
2800
2600
2500
2400
2200
2000
1800
1600
1400
1200
1000
800
600
400
200
0
10 20 25 30
2500
2000
1500
1000
500
0
0
Indoor Units
H M
40 50 60 70 80 90 100 110 120 130 140 150 160
20 40
External Static Pressure (Pa)
L
60 80 100
Static Pressure
SP1
SP2
SP3
SP4
External Static Pressure
（ pa ）
120 140
H
M
L
30