FAN PERFORMANCES AT VARYING STATIC PRESSURES (DUCTED UNITS)
The static pressure of the indoor unit has been set in the factory according to Table 6.
Size
9 & 12
18
24
36 & 48
Factory Setting
SYSTEM SIZE
CFM
High
CMH
CFM
Medium
CMH
CFM
Low
CMH
Table 6—Static Pressure Switch
0
1
0.02
0.04
(5)
(10)
0.04
0.10
(10)
(25)
0.04
0.10
(10)
(25)
0.08
0.14
(20)
(35)
√
Table 7—Airflow at Different Speeds
9K
12K
335
370
570
629
290
320
493
544
240
260
408
442
2
3
0.08
0.12
(20)
(30)
0.14
0.18
(35)
(45)
0.16
0.22
(40)
(55)
0.20
0.26
(50)
(65)
18K
24K
520
820
884
1394
430
620
731
1054
360
520
612
884
10
Static Pressure
Range In. WG (Pa)
4
0.16
0-0.18
(40)
(0-45)
0.22
0-0.28
(55)
(0-70)
0.28
0-0.40
(70)
(0-100)
0.32
0-0.40
(80)
(0-100)
36K
48K
1120
1470
1904
2499
940
1180
1598
2006
680
940
1156
1598