Service & Parts Manual (2019, 2020, 2021, 2022)

173 PB
SPECIFICATIONS
ESP (External Static Pressure) chart (Duct Type) 18k
Piping Length Correction Factor
High
Middle
Low
(Pa)
Rated
Limit
0
0.02 (5)
0.04 (10)
0.06 (15)
0.08 (20)
0.10 (25)
0.12 (30)
0.14 (35)
0.16 (40)
0.18 (45)
0.20 (50)
High
Middle
Low
E xter
n
al

s
tat
ic
pressure
InH20 (Pa)
Standard E SP Chart ( 0 Pa)
0
0.04 (10)
0.08 (20)
0.12 (30)
0.16 (40)
0.20 (50)
0.24 (60)
High
Middle
Low
limit
Rated
High ESP Chart (5 0 Pa)
70 140
280 210 350
420
490
560
630
110 180 250 320 390 460 530
600
670
880
810
740
Airflow rate (CFM)
Airflow rate (CFM)
External static pressure InH20 (Pa)