Specification Sheet

164
0.1
0.15
0.2
0.25
Pressure Loss
Filter Box Pressure Loss
16" 18/20"
24"
30"
36" 42"
48"
54/60"
0
0.05
0.1
0.15
0.2
0.25
0 5000 10000 15000 20000 25000 30000 35000 40000
Pressure Loss
CFM
Filter Box Pressure Loss
16" 18/20"
24"
30"
36" 42"
48"
54/60"
FILTERED WALL HOUSING MOUNTING OPTIONS Cont.
Filtered Wall Housing Dimensions
Optional Rainhood
(90 deg. supply)
Optional
Damper
A
B
C
D
Filtered Supply
Filtered Exhaust
Optional Rainhood
(45 deg. exhaust)
A
B
C
D
Use the estimated pressure drop graphs to help select
the proper exhaust or supply fan that will deliver the
desired airow. Enter the graph from the bottom at
the specied CFM and move vertically upward to the
fan curve for the desired size, then horizontally to
the left and read the estimated static pressure drop
resulting from these typical accessory packages.
Add the accessory pressure loss to the system (or
building) design static pressure loss to obtain the
total static pressure loss to be used for the proper
fan selection.
PRESSURE LOSS GUIDE FOR FILTER BOX
Fan
Size
Wall Housing
Minimum Wall
Opening
Filter Box
A
B Length
C D
# of
Filters
Filter
Actual Dimensions
LC & L2 Sq
20 25 44 25 1/2 25 44 1/8 3 19 5/8 x 24 5/8 x 1 7/8
24 31 44 31 1/2 31 41 1/8 4 19 5/8 x 24 5/8 x 1 7/8
30 37 44 37 1/2 37 44 1/8 8 15 5/8 x 24 5/8 x 1 7/8
36 43 44 43 1/2 43 44 1/8 8 19 5/8 x 24 5/8 x 1 7/8
42 49 44 49 1/2 49 44 1/8 10 19 5/8 x 24 5/8 x 1 7/8
48 55 44 55 1/2 55 40 1/2 12 19 5/8 x 24 5/8 x 1 7/8
54 61 44 61 1/2 61 44 1/8 15 19 5/8 x 24 5/8 x 1 7/8
60 67 44 67 1/2 67 44 1/8 15 19 5/8 x 24 5/8 x 1 7/8
Mounting
Flanges
Wall
Mounting Flanges
Filter
Box
Wall
Housing
Lifting
Lugs
Optional
Damper
Mounting
Flanges
Wall
Mounting Flanges
Filter
Box
Wall
Housing
Lifting
Lugs
MODELS LCE/LCS, L2E/L2S, L3E/L3S
BELT DRIVE SIDEWALL PROPELLER FANS