Greenheck ESD-635 Installation Manual
Stationary Louver
Drainable Blade
Application and Design
ESD-635 is a weather louver designed to protect air intake and
exhaust openings in building exterior walls. Design incorporates
drain gutters in the head member and horizontal blades to channel
water to the jambs where water is further channeled through
vertical downspouts and out at the sloped sill. The ESD-635 is an
AMCA CERTIFIED LOUVER enabling designers to select and
apply with confidence.
Standard Construction
Frame � � � � � � � �Heavy gauge extruded 6063-T5 aluminum,
6 in. x 0.081 in. nominal wall thickness
Blades � � � � � � � �Drainable design, heavy gauge extruded 6063-
T5 aluminum, 0.081 in. nominal wall thickness,
positioned at 37º angles on approximately
4 in. centers
Construction � � �Mechanically fastened
Birdscreen � � � � �3/4 in. x 0.051 in. flattened expanded aluminum in
removable frame, inside mount (rear)
Finish � � � � � � � � � Mill
Minimum Size � �12 in. W x 12 in. H
Maximum Single
Section Size � � � 120 in. W or 120 in. H (limited to 70 ft. sq.)
ESD-635
Options (at additional cost)
• A variety of bird and insect screens
• Clip angles
• Blank off panel
• Extended sill
• Filter rack
• Flanged frame
• Glazing adaptor
• Hinged frame
• Security bars
• Welded construction
• 0.125 nominal wall thickness
• A variety of architectural finishes including:
Clear anodize
Integral color anodize
Baked enamel paint
Kynar paint
*Width and height dimensions furnished
approximately ¼ inch under size.
Static Pressure Drop
Free Area Chart (Sq. ft.)
Louver
Height
Inches
12 18 24 30 36 42 48 54 60 66 72 78 84 90 96 102 108 114 120
12 0.19 0.32 0.44 0.57 0.69 0.82 0.94 1.04 1.16 1.29 1.41 1.54 1.66 1.79 1.91 2.01 2.13 2.26 2.38
18 0.48 0.80 1.11 1.42 1.74 2.05 2.36 2.60 2.91 3.22 3.54 3.85 4.16 4.48 4.79 5.02 5.34 5.65 5.96
24 0.77 1.27 1.77 2.27 2.77 3.27 3.76 4.14 4.64 5.14 5.64 6.14 6.63 7.13 7.63 8.01 8.51 9.01 9.50
30 1.05 1.73 2.41 3.09 3.77 4.45 5.13 5.64 6.32 7.01 7.69 8.37 9.05 9.73 10.41 10.92 11.60 12.28 12.96
36 1.35 2.22 3.09 3.97 4.84 5.71 6.59 7.24 8.11 8.99 9.86 10.73 11.61 12.48 13.35 14.01 14.88 15.76 16.63
42 1.62 2.67 3.71 4.76 5.81 6.86 7.91 8.69 9.74 10.79 11.84 12.89 13.94 14.99 16.03 16.82 17.87 18.92 19.97
48 1.92 3.17 4.42 5.67 6.91 8.16 9.41 10.34 11.59 12.84 14.09 15.33 16.58 17.83 19.08 20.01 21.26 22.51 23.75
54 2.18 3.60 5.02 6.44 7.85 9.27 10.69 11.75 13.17 14.58 16.00 17.42 18.83 20.25 21.67 22.73 24.15 25.56 26.98
60 2.49 4.10 5.71 7.32 8.94 10.55 12.16 13.37 14.98 16.59 18.21 19.82 21.43 23.04 24.66 25.87 27.48 29.09 30.70
66 2.75 4.53 6.32 8.10 9.88 11.67 13.45 14.79 16.57 18.36 20.14 21.92 23.71 25.49 27.27 28.61 30.40 32.18 33.96
72 3.05 5.03 7.01 8.99 10.97 12.95 14.93 16.41 18.39 20.37 22.35 24.33 26.31 28.29 30.27 31.75 33.73 35.71 37.69
78 3.31 5.46 7.61 9.76 11.91 14.06 16.21 17.83 19.98 22.13 24.28 26.43 28.58 30.73 32.88 34.49 36.64 38.79 40.94
84 3.62 5.96 8.31 10.66 13.00 15.35 17.69 19.45 21.80 24.15 26.49 28.84 31.19 33.53 35.88 37.64 39.98 42.33 44.68
90 3.88 6.40 8.91 11.43 13.95 16.46 18.98 20.87 23.38 25.90 28.42 30.93 33.45 35.96 38.48 40.37 42.88 45.40 47.92
96 4.18 6.90 9.61 12.32 15.04 17.75 20.46 22.50 25.21 27.92 30.64 33.35 36.06 38.78 41.49 43.52 46.24 48.95 51.66
102 4.44 7.33 10.21 13.09 15.98 18.86 21.74 23.90 26.79 29.67 32.55 35.44 38.32 41.20 44.09 46.25 49.13 52.01 54.90
108 4.75 7.83 10.91 13.99 17.07 20.15 23.23 25.54 28.62 31.70 34.78 37.66 40.94 44.02 47.10 49.41 52.49 55.57 58.65
114 5.01 8.26 11.51 14.76 18.01 21.26 24.51 26.95 30.20 33.45 36.70 39.95 43.20 46.45 49.70 52.14 55.39 59.64 61.89
120 5.31 8.76 12.21 15.66 19.10 22.55 26.00 28.58 32.03 35.48 38.92 42.37 45.82 49.27 52.71 55.30 58.74 62.19 65.64
Louver Width in Inches
ESD-635PERFORMANCE DATA
Stationary Louver Drainable Blade
Extruded Aluminum
Greenheck
Fan
Corporation
certifies that
the ESD635 louvers
shown
herein are
licensed to
bear the AMCA Seal. The
ratings shown are based
on tests and procedures
performed in accordance
with AMCA Publication
511 and comply with
the requirements of the
AMCA Certified Ratings
Program. The AMCA
Certified Ratings Seal
applies to air performance
and water penetration
ratings.
Airflow Resistance (Standard Air - �075 lb/ft
Pa
in. wg
1
0.9
200
100
90
80
70
60
50
40
30
20
10
9
8
7
6
5
ft/min
m/s
Test Size 48 in. x 48 in.
0.8
Standard Air - .075 lb/ft
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.09
0.08
0.07
0.06
0.05
0.04
0.03
0.02
200200 300 400 500 600 700 800 9001000 2000 3000
3
Intake
Exhaust
2345678910
3
) Water Penetration (Standard Air - �075 lb/ft3)
Free Air Velocity
Model ESD-635 resistance to airflow (pressure drop) varies
depending on louver application (air intake or air exhaust).
Free area velocities (shown) are higher than average
velocity through the overall louver size. See louver selection
information.
Test size 48 in. x 48 in. Test duration of 15 min.
The AMCA Water Penetration Test provides a method for comparing
various louver models and designs as to their efficiency in resisting
the penetration of rainfall under specific laboratory test conditions. The
beginning point of water penetration is defined as that velocity where the
water penetration curve projects through .01 oz. of water (penetration)
per sq. ft. of louver free area. *The beginning point of water
penetration for Model ESD-635 is 1077 fpm free area velocity�
These perfor mance ratings do not guarantee a louver to be weatherproof or stormproof and should be used in combination with other factors
including good engineering judgement in selecting louvers.
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