ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 19

FEI

4 in. wg
RPM

BHP

5 in. wg
FEI

RPM

BHP

6 in. wg
FEI

RPM

FEI

BHP

Any area with an ultimate
positioned in front of the
design win d speed of
louver test specimen simu63.6 m/s (140 mph) or
lates wind speeds of 15.6,
greater is also classified as
31.3, 40.2 and 49.2 m/s (35,
a wind-borne debris region.
70, 90 and 110 mph). Water
The International
spray nozzles positioned
Mechanical Code requires
between the wind-simulatlouvers that protect air
ing fan and louver test
intake and exhaust openings
specimen introduce horiin hurricane-prone regions
zontal driving rain at a rate
to comply with AMCA
of 223.5 mm/hr (8.8 in./hr).
Standard 550, and the
Each wind speed and water
A louver being subjected to an ANSI/AMCA Standard 540 test.
International Building Code Image courtesy of AMCA International.
spray combination is simurequires that louvers prolated for 15 minutes, with
tecting intake and exhaust ventilation ducts not assumed to the exception of the 49.2 m/s (110 mph) interval, which is
be open and located within 9144 mm (30 feet) of grade comply simulated for five minutes.
with AMCA Standard 540.
Unlike the water penetration and wind driven rain test
procedures described in AMCA Standard 500-L, the AMCA
LOUVER TESTS
Standard 550 test does not simulate air being pulled through
AMCA Standard 550 contains the test method for high velocity the louvers from behind. However, any louver subject to the
wind driven rain resistant louvers. It establishes uniform test AMCA Standard 550 test must also have undergone the AMCA
methods and minimum performance ratings for the water Standard 500-L wind driven rain test procedure.
rejection capabilities of louvers that are intended to be used
AMCA Standard 540 also contains an important test proin high velocity wind conditions, including hurricane-like cedure. This is a standard that focuses on louvers impacted
conditions. To perform this evaluation, a wind-simulating fan by wind-borne debris and establishes uniform methods for

Wind-Borne Debris Region
Building Category III
(Healthcare) & IV, Figure
1609B in IBC 2012/Figure
1609.3(2) in IBC 2015 (Risk
Cat III/IV). Image adapted from IBC.
W W W. A M C A . O R G

A M C A I N T E R NAT I O NA L

inmotion

Fa l l 2 0 1 7

19


http://WWW.AMCA.ORG

Table of Contents for the Digital Edition of ASHRAE Journal Supplement - AMCA inmotion - Fall 2017

Contents
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - BB1
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - BB2
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - Cover1
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - Cover2
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - Contents
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 2
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 3
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 4
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 5
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 6
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 7
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 8
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 9
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 10
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 11
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 12
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 13
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 14
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 15
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 16
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 17
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 18
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 19
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 20
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 21
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 22
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 23
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 24
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 25
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 26
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 27
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 28
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 29
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 30
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 31
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 32
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 33
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 34
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 35
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - 36
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - Cover3
ASHRAE Journal Supplement - AMCA inmotion - Fall 2017 - Cover4
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