4
4
.
.
D
D
I
I
A
A
G
G
R
R
A
A
M
M
&
&
D
D
A
A
T
T
A
A
UNITARY AIR CONDITIONER TECHNICAL& SERVICE MANUAL V5.0
44
4-4Air flow and ESP Chart Diagrams(for duct type)
18K
L
M
H
0
5
10
15
20
25
30
35
500
600
700
800
900
1000
ESP
Air
flow
(
m3/h
)
18K
Curve
for
10Pa
ESP
10
15
20
25
30
35
40
45
50
500
600
700
800
900
1000
1100
ESP
Air
flow
(
m3/h
)
18K
Curve
for
30Pa
ESP