Greenheck EACN-601 Installation Manual
Combination Louver/Damper
Non-Drainable Blade
Application and Design
EACN-601 is a combination louver/damper designed to protect air
intake and exhaust openings in building exterior walls that, at times,
require tight air shut off. Design incorporates a drainable head member,
J style stationary blades and operable blades. When the operable
blades are open, airflow is permitted through the louver, when the
blades are closed, a tight seal is created to prevent the passage of air.
The EACN-601 is an extremely efficient louver with AMCA LICENSED
PERFORMANCE DATA enabling designers to select and apply with
confidence.
Standard Construction
Frame . . . . . . . .Heavy gauge extruded 6063-T5 aluminum,
6 in. x 0.125 in. nominal wall thickness
Blades . . . . . . . .Stationary blade: J style design, heavy gauge
extruded 6063-T5 aluminum, 0.081 in. nominal wall
thickness, positioned at 45º angles on approximately
6 in. centers
Operable blade: heavy gauge extruded 6063-T5
aluminum, 0.081 nominal wall thickness
Seals . . . . . . . . .Dual-durometer extruded vinyl blade seals
Compressible stainless steel jamb seals
Temperature
Restrictions . . . .(-20º F) - (+180ºF)
Linkage . . . . . . .Side linkage out of airstream (concealed in frame)
Bearings . . . . . .Synthetic sleeve type
Axles . . . . . . . . .½ in. dia. zinc plated steel
Construction . . .Mechanically fastened
Birdscreen . . . . .3/4 in. x 0.051 in. fl attened expanded aluminum in
removable frame, inside mount (rear)
Finish . . . . . . . . .Mill
Minimum Size . . 12 in. W x 16 in. H
Maximum Single
Section Size . . . 60 in. W x 96 in. H
EACN-601
WATER
PENETRATION
AIR
PERFORMANCE
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
®
Options (at additional cost)
• A variety of bird and insect screens
• A variety of electric, pneumatic or manual actuators
• Extended sill
• Filter rack
• Flanged frame
• Glazing adaptor
• Hinged frame
• Security bars
• 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.
Free Area Chart (Sq. ft.)
Louver
Height
Inches
12 15 18 21 24 27 30 33 36 39 42 48 54 60
16 0.24 0.32 0.40 0.48 0.56 0.64 0.72 0.80 0.88 0.96 1.04 1.20 1.36 1.52
21 0.49 0.64 0.80 0.96 1.12 1.28 1.44 1.60 1.76 1.92 2.08 2.40 2.72 3.04
24 0.49 0.64 0.80 0.96 1.12 1.28 1.44 1.60 1.76 1.92 2.08 2.40 2.72 3.04
30 0.73 0.97 1.20 1.44 1.68 1.92 2.16 2.40 2.64 2.88 3.12 3.59 4.07 4.55
33 0.93 1.23 1.54 1.84 2.15 2.45 2.76 3.06 3.37 3.67 3.98 4.59 5.20 5.81
39 0.97 1.29 1.61 1.92 2.24 2.56 2.88 3.20 3.52 3.83 4.15 4.79 5.43 6.06
42 1.21 1.61 2.01 2.40 2.80 3.20 3.60 3.99 4.39 4.79 5.19 5.98 6.78 7.57
48 1.45 1.93 2.41 2.88 3.36 3.84 4.31 4.79 5.27 5.75 6.22 7.18 8.13 9.09
51 1.45 1.93 2.41 2.88 3.36 3.84 4.31 4.79 5.27 5.75 6.22 7.18 8.13 9.09
60 1.93 2.57 3.21 3.84 4.48 5.12 5.75 6.39 7.02 7.66 8.30 9.57 10.84 12.11
66 2.17 2.88 3.59 4.31 5.02 5.73 6.44 7.16 7.87 8.58 9.29 10.72 12.15 13.57
78 2.42 3.21 4.01 4.80 5.60 6.39 7.19 7.98 8.78 9.57 10.37 11.96 13.55 15.14
84 2.66 3.53 4.41 5.28 6.16 7.03 7.91 8.78 9.65 10.53 11.40 13.15 14.90 16.65
96 3.14 4.18 5.21 6.24 7.28 8.31 9.34 10.38 11.41 12.44 13.47 15.54 17.61 19.67
Louver Width in Inches
Combination Louver/Damper
Air Leakage
(with damper section closed)
Test size 48 in. x 48 in.
kPa
in. wg
2
0.475
0.45
0.425
0.375
0.325
Pressure
0.275
1
0.9
0.4
0.8
0.7
0.6
0.35
0.5
0.4
0.3
0.3
0.2
EACN-601PERFORMANCE DATA
Extruded Aluminum
Greenheck Fan Corporation certifies that the
EACN-601 louvers shown herein are licensed
to bear the AMCA Seal. The ratings shown are
WATER
PENETRATION
PERFORMANCE
AIR
MOVEMENT
AND CONTROL
ASSOCIATION
INTERNATIONAL, INC.
based on tests and procedures performed in
AIR
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
Static Pressure Drop
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
200 300 400 500 600 700 800 900 1000 2000 3000
3
Exhaust
Intake
2345678910
Free Air Velocity
3
)
Model EACN-601 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.
0.25
0.1
0.225
0.09
2
112345678910
cfm/ft
2
cmh/m
20 30 40 50 60 70 80 90 100 200
Water Penetration (Standard Air - .075 lb/ft
Leakage
3
)
Test size 48 in. x 48 in. Test duration of 15 min.
0.30
Test Size 48 in. x 48 in.
0.25
Test Period 15 minutes
Standard Air - .075 lb/ft
3
0.20
0.15
0.10
0.05
Water Penetration per Unit Free Area
0.00
1100 1150 1200 1250 1300
ft/min:
Free Area Velocity
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.
water penetration for Model EACN-601 is 1193 fpm free area
The beginning point of
*
velocity. These perfor mance ratings do not guarantee a louver to be
weather proof or stormproof and should be used in combination with other
factors including good engineering judgement in selecting louvers.
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