Cooper Lighting CWR-800 User Manual
Catalog #
Project
Comments
Prepared by
Type
Date
SPECIFICATION FEATURES
11/07/2007 2:05:51 PM
Consult your representative for additional options and finishes.
Specifications and Dimensions subject to change without notice.
ADF031753
MOUNTING DATA
DOOR FRAMES
LAMP CONFIGURATIONS
CEILING COMPATIBILITY
DESCRIPTION
The GR8 is a T8-dedicated lensed troffer designed to offer premium
performance in a low profile housing. T8 dedication and optimized lamp to
lens spacing provides the best in energy efficiency and optical control. The
GR8's shallow, low profile housing is compatible with even highly restrictive
plenums. Luminaires are compatible with today's popular ceiling systems.
The GR8 offers great performance and great quality. The series is an
excellent choice for commercial offices, schools, hospitals, retail
merchandising and many other applications.
A ... Construction
Low profile recessed housing is die
formed of code gauge prime cold
rolled steel with full length
stiffeners and mechanical endplate
attachment for added strength.
Ballast cover is easily removed
without tools. Die formed captive
lampholder bracket fully encloses
lampholder wiring for easy
lampholder replacement. Ample
KOs are provided for continuous
row wiring. Built-in grid-lock
feature for safety and convenience.
B ... Electrical**
Ballasts are CBM/ETL Class "P" and
are positively secured. Pressure
lock lampholders. UL/CUL listed.
Suitable for damp locations.
C ... Finish
Multistage, iron phosphate
pretreatment ensures maximum
bonding and rust inhibition.
Lighting grade baked white enamel
finish with premium reflectance for
high efficiency.
D ... Hinging/Latching
Positive cam action steel latches
and integral safety hinges provide
secure, high quality door fit and
allow hinging and latching from
either side.
E ... Frame/Shielding
Heavy gauge flat steel door is die
formed with reinforced mitered
corners. Housing and door frame
assemblies incorporate full length
and width mechanical light traps.
Light stabilized, acrylic prismatic
lens.
GR8
232
1' X 4' TROFFER
2 LAMP
General Purpose
T8 Commercial Troffer
LAMPS CONTAIN MERCURY. DISPOSE ACCORDING
TO LOCAL, STATE OR FEDERAL LAWS
Safe and convenient means of
disconnecting power
11-3/4" [298mm]
3-3/4"
[95mm]
A B C
D
E
11-3/4"
[298mm]
48" [1219mm]
Access Plate
7/8" [22mm] K.O. (2)
1-1/2"
[38mm]
5-3/4" [146mm]
8-7/32" [209mm]
3-1/2" [89mm]
7/8" [22mm] K.O. (2)
GR8
Flat, White
Steel (White Latches)
3-3/4" [95mm]
11-3/4"
[298mm]
5"
[127mm]
G
Grid/Lay-in
Standard
G
Concealed T
G
Slot Grid
F
Flange Trim
With Supporting
Swing Gates
Ceiling Trim
Type Type
Exposed Grid G
Concealed T G
Slot Grid G
Flange G***
(Verify compatibility/ consult
factory.)
COOPER LIGHTING - METALUX
®
Specifications and Dimensions subject to change without notice.
PHOTOMETRICS
ACCESSORIES
SHIPPING INFORMATION
GR8
ORDERING INFORMATION
Sample Number: 2GR8-232A-120V-EB81-U
Ballast Type
EB
Electronic Instant Start
=
ER
T8 Electronic Program Rapid Start.
Total Harmonic Distortion < 10%
=
DLS
Digital Lighting System Dimming
=
Packaging
U
Unit Pack
=
Options
/PLUS
Higher Ballast Factor >
1.13. Total Harmonic
Distortion < 20%
=
FR
Fire Rated Label
=
Number of Lamps
2
2 Lamps (Not Included)
=
Width
__
1' width
=
Trim Type
G
Grid/Lay-in
(Standard)
=
Wattage
32
32W T8 (48")
=
Lamp Size
8
T8
=
Shielding
A
# 12 Acrylic Pattern
=
A125
#12 Pattern Acrylic (.125"
Thickness)
=
Series
R8
General Purpose
T8 Commercial
Troffer
1
=
Number of
Ballasts
1
1 Ballast
=
2
2 Ballast
=
Voltage
120V
120 Volt
=
277V
277 Volt
=
347V
347 Volt
=
UNV
Universal Voltage 120-277
4
=
Options
GL
Single Element Fuse
=
GM
Double Element Fuse
=
Lamps
Lamps Installed
=
Flex
Flex Installed
=
Emergency
EM Installed
=
1
An EQ Grid Clip is recommended for all 9/16" ceiling systems.
Notes:
2
Standard off-center ballast on 3 lamp fixtures.
3
Products also available in non-US voltage and freqeuncies for international markets
4
Not Available when specifying emergencies, voltage must be specific
C and le po we r
Angle Along II 45
o
Across ⊥
0
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
C oef fi ci en ts o f Ut il iz at io n
Effective floor cavity reflectance 20%
rc 80% 70% 50% 30% 10% 0%
rw 70 50 30 10 70 50 30 10 50 30 10 50 30 10 50 30 10 0
RCR
0
1
2
3
4
5
6
7
8
9
10
Ty pi ca l VC P Pe rc en ta ge s
Height Along Height Across
Room Size (Ft.) 8.5' 10.0' 8.5' 10.0'
20 x 20
30 x 30
30 x 60
60 x 30
60 x 60
Z ona l Lu me n Su mm ar y
Zone Lumens %Lamp %Fixture
0-30
0-40
0-60
0-90
0-180
1704 1704 1704
1695 1701 1699
1674 1683 1685
1637 1650 1652
1583 1597 1595
1511 1519 1496
1418 1405 1357
1300 1260 1199
1158 1089 1030
988 902 854
795 718 677
619 550 508
462 393 369
332 264 272
235 175 211
167 129 172
123 107 132
65 60 72
0 0 0
⊥
||
GR8-232A
Electronic Ballast
F32T8/35K lamps
2800 lumens
Spacing criterion:
(II) 1.2 x mounting
height, (⊥) 1.2 x
mounting height
Efficiency 68.2%
Test Report:
GR8232A.IES
LER = FL-58
Yearly Cost of 1000
lumens, 3000 hrs at
.08 KWH = $4.14
1322 23.6 34.6
2104 37.6 55.1
3301 58.9 86.4
3821 68.2 100.0
3821 68.2 100.0
61 64 62 67
54 58 54 59
45 48 44 47
56 60 57 61
46 49 45 48
81 81 81 81 79 79 79 79 76 76 76 73 73 73 70 70 70 68
75 73 70 68 74 71 69 67 68 66 65 66 64 63 63 62 61 60
70 65 61 58 68 64 60 57 61 58 56 59 57 55 57 55 53 52
65 59 54 50 63 58 53 50 56 52 49 54 51 48 52 49 47 46
60 53 47 43 58 52 47 43 50 46 43 49 45 42 47 44 42 40
55 47 42 38 54 47 41 38 45 41 37 44 40 37 43 39 36 35
51 43 37 33 50 42 37 33 41 36 33 40 36 33 39 35 32 31
47 39 33 29 46 38 33 29 37 33 29 36 32 29 35 32 29 27
44 35 30 26 43 35 29 26 34 29 26 33 29 25 32 28 25 24
40 32 26 23 39 31 26 22 30 26 22 30 25 22 29 25 22 21
38 29 24 20 37 28 23 20 28 23 20 27 23 20 27 23 20 19
EQ = T-Bar Safety Earthquake Clips
1
FCS-XXW-U = Field Installed Flange Kit
Catalog No. Wt.
GR8-232A 19 lbs.
Metalux • Customer First Center • 1121 Highway 74 South • Peachtree City, GA 30269 • TEL 770.486.4800 • FAX 770.486.4801
11/07/2007 2:05:51 PM
ADF031753
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