REPORT NO. 102633962CRT-001
July 25, 2016
RETURN AIR VOLUME
VERSUS STATIC PRESSURE TESTS
ON CORELITE BRIDGE™ RETURN AIR LIGHT FIXTURES
EATON
18001 E COLFAX AVE
AURORA, CO 80011-5108
TEST METHOD
The fixtures were tested in accordance with the ASHRAE 70-2006 Standard “Method of
Testing for Rating the Performance of Air Outlets and Inlets”, which incorporates ADC
1062: GRD-84 Test Code for Grilles, Registers and Diffusers. The unit was installed in
the facility and supplied with measured volumes of air.
DESCRIPTION OF TEST SPECIMENS
The test specimens consisted of three models of air returns. The first was Model Bridge
LED 2x2 which measured 24 inches long by 24 inches wide. The second Model Bridge
LED 2x4 measured 48 inches long by 24 inches wide. The third Model Bridge LED 1x4
measured 48 inches long by 12 inches wide. A row of small openings along the two
opposite sides, running the length of each unit, allowed the air to return.
RESULTS OF MEASUREMENTS
Bridge LED 2x2 Light
Fixture
Negative
Static Pressure
(inches H2O)
0.05
0.10
0.15
0.20
0.30
Return Air
Volume
(CFM)
31
44
53
62
76
Bridge LED 2x4 Light
Fixture
Return
Negative
Air
Static Pressure
Volume
(inches H2O)
(CFM)
0.01
32
0.05
68
0.10
96
0.20
137
0.30
173
Report No. 102633962CRT-001
Bridge LED 1x4 Light
Fixture
Return
Negative
Air
Static Pressure
Volume
(inches H2O)
(CFM)
0.01
30
0.05
67
0.10
95
0.20
136
0.30
165
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TD519020EN
RESULTS OF MEASUREMENTS (CONTINUED)
0.3
0.25
0.2
0.15
0.1
0.05
Negative Static Pressure
(iwg)
Negative Static Pressure (iwg)
Bridge LED 2x2 Light Fixture
0
30
40
50
60
Return Air Volume (CFM)
70
80
Bridge LED 2x4 Light Fixture
0.3
0.25
0.2
0.15
0.1
0.05
0
30
50
70
90
110
130
Return Air Volume (CFM)
150
170
Negative Static Pressure (iwg)
Bridge LED 1x4 Light Fixture
0.3
0.25
0.2
0.15
0.1
0.05
0
30
50
70
90
110
130
Return Air Volume (CFM)
Report No. 102633962CRT-001
150
Page 2 of 2
170
TD519020EN