CLASS R
Ultra Shallow Recessed
LOW p r o f i l e
Low profile. Low energy. High impact.
The Class R by Corelite is recessed, redefined.
In an architectural age where plenum heights are shrinking, energy costs are rising, and
innovation in recessed lighting has essentially flat-lined, how do you answer to a specification
driven by modern demands? You redefine the concept of recessed lighting, that’s how.
And that’s exactly what Corelite’s Class R series of shallow recessed luminaires is doing.
Discarding the traditional “box” design, the Class R boasts an innovative and unobtrusive lowprofile housing shape, providing the perfect answer to constrained plenum space. The Class R
features T5 specific low-energy technology and highly efficient optical engineering to aid in
“green” sustainable design. The ability to retain ceiling heights, reduce plenum space, and
potentially save stories worth of building materials is perhaps the Class R’s highest impact on
architecture overall. And with the sleek modern design of the Class R, compromising spaces will
no longer have to suffer from compromised fixture performance or aesthetics.
It’s linear thinking outside the recessed box. It’s the Class R by Corelite.
Meet the dynamic duo.
It’s time to approach shallow plenums with confidence.
Known for the ability to provide a unified aesthetic across multiple products and applications,
Corelite offers not one, but two ultra shallow housing profiles, enabling a cohesive
design layout no matter what obstructions lurk in the plenum space above. Both measuring
under 3 inches in depth, the high-performing/low-profile Class R2 and its surprisingly slim
Class R1 companion redefine recessed installation limitations in both new build and retrofit
applications, without redefining your performance expectations.
TABLE OF CONTENTS
2
Low Profile
4
Low Energy
6
High Impact
8
Optical Features
10
Installation Features
12
R1 Product Specifications
14
R2 Product Specifications
16
Open Office Application
18
Private Office Application
20
Health Care Application
22
Classroom Application
1-3/4” Depth
2-7/8” Depth
1
LOW e n e r g y
Green isn’t just the color of our logo.
Class R maximizes savings with energy saving technology.
We all know green isn’t an easy thing to be. This lamp thermometer acts as an energy gauge,
and illustrates how simply choosing a low energy light source may not completely satisfy your
efficiency and savings goals. However, it is the first step. Most of the energy initiative programs
target 1.0 watt per square foot, and with the creative employment of both the Class R and the
lighting controls best suited to the application, that target can be easily realized, if not exceeded.
$$$$
$$$
$$
PA R A B O L I C
CLASS R
Typical 24-cell parabolic
3 32W T8 lamps
2 circuit electronic ballast (.87 ballast factor)
88 watts per fixture
Class R2
2 28W T5 lamps
2 level step dimming ballast (.95 ballast factor)
58 watts per fixture
65
42
INSTALLED LOAD
DIMMING AND CONTROLS
OCCUPANCY SENSORS
IES*
$
DAYLIGHT HARVESTING
1.1
Watt / Sq. Ft.
Horizontal
Footcandles
18
Vertical
Footcandles
IES*
25
.73
Watt / Sq. Ft.
Horizontal
Footcandles
Vertical
Footcandles
*IES recommends 30-35 footcandles in open office environments
SAVE UP TO 30% ON ENERGY COSTS BY EMPLOYING
THE LATEST LIGHTING CONTROL TECHNOLOGIES IN
ADDITION TO THE CLASS R.
For further energy saving solutions, please visit www.cooperenergysolutions.com
2
Although Corelite luminaires, including the
Class R, are engineered to the highest
efficiency standards, we believe it is also
our obligation to educate on and provide
the latest technologies necessary to push
your energy savings as far as they can go.
The Class R works in tandem with an
array of advanced dimming and control
solutions, provided by a variety of the
most innovative manufacturers.
B=Battery
D=Dimming/Step Dimming
E=Emergency
Y=Daylight
T=Nightlight
3
H IG H i m p a c t
6" Traditional Recessed
1-3/4"
2-7/8"
Saving the planet (and your budget) three inches at a time.
Never has lighting had such impact on overall architectural design.
It’s true. By simply shaving 3 inches from each floor’s plenum space, you can save 2 floors worth of
construction materials on an 84-floor building. That’s 2 floors worth of glass, steel, and concrete, and
more importantly, time, energy, and money. The ultra shallow profile of the Class R installs easily into a
condensed plenum, and enables a reduced overall building height, without sacrificing your desired ceiling
height (or a rainforest). Save three inches, save the world.
GLASS
STEEL
CONCRETE
4
THE RAINFOREST
5
FEATU R E S o p t i c s
Focusing brilliance can be difficult.
Two prism structures give direction to design.
Optical Specifications Key
The co-extruded lens, integral to all four of the Class R shielding
options, is comprised of either clear or frosted acrylic, and
incorporates two innovative prism structures. The center prism
structure creates even light distribution across the lens surface.
The return prism structure focuses light onto the side reflectors
to create soft vertical illumination, helping to eliminate the “cave
effect” and enhancing the perception of space.
1 Lens returns - 50/50 clear and frosted
acrylic blend with linear prism structure
2 Lens center - 100% frosted acrylic with
linear prism structure
3 Lens center - 100% clear acrylic with
4
5
linear prism structure
Perf - Formed rolled steel shield with
rectangular or round perf pattern
Micro Baffle - White micro baffle with
1/2” blade spacing
1/2"
Micro Baffle (B)
5
1
3
A truly unique aesthetic, combining 1/2” spaced
blades with the high performance of the clearcentered lens, places the Micro Baffle option in
a class above the rest.
Lens (L)
Offering the highest efficiency of the four options,
the Lens provides a sleek, modern aesthetic and
superior performance for any application.
The Class R Effect
1
2
Class R optics are divided into two components. 1. The direct component is designed to deliver
ambience to horizontal task surfaces, and 2. The indirect distribution produces a small amount
of diffuse light to vertical surfaces. The end result is a low-energy functional space with great
vertical visibility.
Perf (R, P)
Both the Rectangular and Round Perf options impart
a soft glow while providing an awareness of the light
source, and feature clean lines that mirror a variety
of Corelite’s linear fixtures.
1
1
2
4
6
2
7
FEATU RES i n s t a l l a t i o n
Blend in and stand out.
Class R has seamless ceiling integration covered.
Taking on obstructions from every angle.
Whatever your ceiling grid style, the Class R has been uniquely engineered for precise
integration with 4 standard “T” interfaces. This clean and flush finish to typical architectural
ceilings and the attention to detail sets the Class R miles apart from competition.
Lift and shift installation in less space.
Whether installing from below the plenum, or sliding over from an adjacent grid space, the Class R’s
innovative “out-of-the-box” chamfered design allows for ease of installation in the tightest of spaces,
and may be installed in half the space required for traditional lay-ins.
Intermittent Obstruction
4.25”
4.75”
9/16 Slot Grid (T1)
15/16 Flush (T1)
9/16 Tegular (T1)
Concealed Ceiling (CC)
Metalux™ DF Series Frame-In Kit*
Continuous Obstruction
3.75”
Intermittent Obstruction
9/16 Flush (T9)
Continuous Obstruction
5.25”
Metalux Part Numbers
1x4=DF-14W-U
2x2=DF-22W-U
2x4=DF-24W-U
*Specify “CC” in the Corelite part number to designate the condition of a
concealed ceiling. Frame-in kit must be ordered separately through Metalux.
Options
8
AIR RETURN (AR)
LENS GASKETING (LG)
ANTI-MICROBIAL (AM)
The Class R’s Air Return option is comprised of
a unique perforated housing, which allows for
efficient airflow and reclamation in open spaces.
The Lens Gasketing option prevents the ingress
of unsightly and unsanitary dust and insects,
and enables easy wipe-down cleaning ideal
for sterile healthcare environments.
The Anti-Microbial coating option thwarts the growth
and dispersion of bacteria, and is beneficial in
environments prone to airborne germs such as
healthcare and childcare facilities.
9
PROD U C T SP EC IFIC ATIONS C LA S S R 1
1x4
ORDERING INFORMATION:
2x2, 2x4
Class R1
SAMPLE NUMBER:R1-WL-2N5-1C-UNV-22-T1
1 3/4" [44MM]
Ultra Shallow Recessed
Class R1 is the ultra shallow direct-indirect recessed luminaire designed specifically for shallow and obstructed
plenum applications. The 1-3/4” installed depth allows the R1 to fit seamlessly within the height of a
standard ceiling grid. Its T5 specific design and optically engineered shielding options deliver highly efficient
direct-indirect illumination, creating both excellent task lighting and softly luminous vertical wall surfaces.
11 3/4" [298MM]
23 3/4" [603MM]
Lens
Lens
Rectangular Perf
Round Perf
Rectangular Perf
Round Perf
Micro Baffle
Micro Baffle
Construction: Low profile housing die-formed 20 gauge
cold rolled steel with integral one-piece 20 gauge gear
tray. Optional welded and gasketed construction
available for NY and Chicago Plenum applications.
Air Return also available.
Series
R1=Class R1 (1-3/4”)
Reflectors: High reflectance white powder coat painted
reflector system.
REFLECTOR
W=White
Shielding: Lens secured to housing via injection molded
inserts for easy lamp access.
Lens: Linear prismatic co-extruded acrylic lens with
fully frosted center and clear/frost blended lens returns.
SHIELDING
L=Lens
B=Micro Baffle
P=Round Perf
R=Rectangular Perf
Micro Baffle: Linear prismatic co-extruded acrylic lens
with white internal micro baffle, clear center and clear/
frost blended lens returns.
NUMBER OF LAMPS
2=2 Lamps
Perf: Linear prismatic co-extruded acrylic lens with
perforated formed steel shield, fully frosted center and
clear/frost blended lens returns.
LAMP TYPE
N5=T5 Normal Output
T5=T5 High Output
(not recommended for use below 12’)
NUMBER OF CIRCUITS*
1=1 Circuit
2=2 Circuits
1x4
2x2
2x4
Electrical: Fixtures use UL listed Class P, T5 program
rapid start universal voltage electronic ballasts (High
output or normal output). Power factor of 97% with
less than 10% THD. Fixtures and electrical components
certified to UL and CUL standards.
WIRING*
C=Standard Circuit
B=Battery
D=Dimming / Step Dimming
E=Emergency
Y=Daylight
T=Nightlight
VOLTAGE*
120= 120V
277= 277V
347= 347V
UNV= Universal (120V-277V)
Lens (L)
2x4 WITH MICRO BAFFLE (B)
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10
Finish: Fixture housings are high reflectance white using
electrostatically applied polyester powder coat paint.
SIZE
24=2’x4’
22=2’x2’
14=1’x4’
Mounting: Standard flange design works with most
lay-in ceiling types. Integral pry-out tabs secure
luminaire to ceiling grid from above. Fixture offers tie-in
locations for tie-wire on all corners, consult local code
for appropriate tie-wire recommendations.
CEILING TYPE
T1=1” Grid, Slot-Grid, 9/16” Tegular
T9=9/16” Grid
CC=Concealed Ceiling (see note)
Concealed Ceiling Note: Class R may be installed into
inaccessible ceilings (sheet rock, wood panel, etc.).
This is achieved with the Metalux DFW series drywall
frame-in kit, ordered separately from Metalux. Specify
“CC” for the Corelite Ceiling Type. Specify the following
part numbers separately, from Metalux:
OPTIONS
AR=Air Return
CP=Chicago Plenum
NY=New York City Construction
AM=Anti-Microbial Coating
LG=Lens Gasketing
W6=6’ Whip Flex
W12=12’ Whip Flex
For 1x4, order Metalux part #DF-14W-U
For 2x2, order Metalux part #DF-22W-U
For 2x4, order Metalux part #DF-24W-U
Rectangular Perf (R)
Round Perf (P) Also Available
PROJECT NAME:
CATALOG #:
TYPE:
-
-
-
-
-
-
*Not all options available. Please consult your Cooper Lighting Representative for availability and
technical information. Specifications and dimensions subject to change without notice.
-
-
11
PROD U C T SP EC IFIC ATIONS C LA S S R 2
1x4
ORDERING INFORMATION:
2x2, 2x4
Class R2
SAMPLE NUMBER:R2-WL-2N5-1C-UNV-22-T1
2-7/8" [73MM]
Shallow Recessed
Class R2 is a shallow recessed direct-indirect recessed luminaire designed not only for
shallow plenum applications, but for ALL recessed ambient applications. The R2
delivers highly efficient illumination to meet energy code requirements, in a
uniquely shallow 2-7/8” deep housing. Its T5 specific design and optically
engineered shielding options deliver highly efficient direct-indirect
illumination, creating both excellent task lighting and softly
luminous vertical wall surfaces.
11 3/4" [298MM]
23 3/4" [603MM]
Lens
Lens
Rectangular Perf
Round Perf
Rectangular Perf
Round Perf
Micro Baffle
Construction: Low profile housing die-formed 20 gauge
cold rolled steel with integral one-piece 20 gauge gear
tray. Optional welded and gasketed construction
available for NY and Chicago Plenum applications.
Air Return also available.
Series
R2=Class R2 (2-7/8”)
Reflectors: High reflectance white powder coat painted
reflector system.
REFLECTOR
W=White
Shielding: Lens secured to housing via injection molded
inserts for easy lamp access.
SHIELDING
L=Lens
B=Micro Baffle
P=Round Perf
R=Rectangular Perf
Lens: Linear prismatic co-extruded acrylic lens with
fully frosted center and clear/frost blended lens returns.
Micro Baffle
Micro Baffle: Linear prismatic co-extruded acrylic lens
with white internal micro baffle, clear center and clear/
frost blended lens returns.
NUMBER OF LAMPS
1=1 Lamp
2=2 Lamps
3=3 Lamps
Perf: Linear prismatic co-extruded acrylic lens with
perforated formed steel shield, fully frosted center and
clear/frost blended lens returns.
1x4
2x2
2x2 WITH LENS (L)
Micro Baffle (B)
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Electrical: Fixtures use UL listed Class P, T5 program
rapid start universal voltage electronic ballasts (High
output or normal output). Power factor of 97% with
less than 10% THD. Fixtures and electrical components
certified to UL and CUL standards.
NUMBER OF CIRCUITS*
1=1 Circuit
2=2 Circuits
Finish: Fixture housings are high reflectance white using
electrostatically applied polyester powder coat paint.
VOLTAGE*
120= 120V
277= 277V
347= 347V
UNV= Universal (120V-277V)
Mounting: Standard flange design works with most
lay-in ceiling types. Integral pry-out tabs secure
luminaire to ceiling grid from above. Fixture offers tie-in
locations for tie-wire on all corners, consult local code
for appropriate tie-wire recommendations.
SIZE
24=2’x4’
22=2’x2’
14=1’x4’
Concealed Ceiling Note: Class R may be installed into
inaccessible ceilings (sheet rock, wood panel, etc.).
This is achieved with the Metalux DFW series drywall
frame-in kit, ordered separately from Metalux. Specify
“CC” for the Corelite Ceiling Type. Specify the following
part numbers separately, from Metalux:
CEILING TYPE
T1=1” Grid, Slot-Grid, 9/16” Tegular
T9=9/16” Grid
CC=Concealed Ceiling (see note)
WIRING*
C=Standard Circuit
B=Battery
D=Dimming / Step Dimming
E=Emergency
Y=Daylight
T=Nightlight
OPTIONS
AR=Air Return
CP=Chicago Plenum
NY=New York City Construction
AM=Anti-Microbial Coating
LG=Lens Gasketing
W6=6’ Whip Flex
W12=12’ Whip Flex
For 1x4, order Metalux part #DF-14W-U
For 2x2, order Metalux part #DF-22W-U
For 2x4, order Metalux part #DF-24W-U
Rectangular Perf (R)
Round Perf (P) Also Available
12
2x4
LAMP TYPE
N5=T5 Normal Output
T5=T5 High Output
(Not recommended for use with 2 or 3
lamp configurations below 12’)
PROJECT NAME:
CATALOG #:
TYPE:
-
-
-
-
-
-
*Not all options available. Please consult your Cooper Lighting Representative for availability and
technical information. Specifications and dimensions subject to change without notice.
-
-
13
AP P L IC ATION S o pen o ffi ce
Efficient workspaces require
efficient lighting solutions
You shouldn’t have to sacrifice the continuity of your design,
nor the lighting and energy efficiency of your open workspaces,
just because of differing ceiling heights and plenum contents.
That’s why the dynamic duo of the Class R1 and Class R2 is
the ideal solution. Because of their varying depths and identical
shielding options, both the R1 and R2 can be used in one
application, regardless of obstructions above the ceiling, while
maintaining a unified aesthetic.
In addition, the R1 and R2 are both energy controls compatible, so you won’t forfeit your energy savings
either. For example, daylight sensors positioned on the office perimeter are designed to dim the lighting
during the day as natural light levels rise. Daylight harvesting in this manner, when used properly, can
generate energy savings of up to 30% over typical savings with the Class R alone.
R1
R2
54
45
R1
R1
R1
R2
R2
R2
39
52
40
54
39
52
38
Imagery by Keith Johnson
R2
R1-WL-2N5-1D-UNV-24-T1
R2-WL-2N5-1D-UNV-24-T1
R2
2X4 Recessed Lay-In, Lens, 2-28 Watt T5
Lamps, Step Dimming Electronic Ballast
(.95 Ballast Factor)
R2
R2
.73
watts per
square
foot
43
footcandles*
* Average maintained footcandles, calculations at task height, R1 mounting height 8’-3”, R2 mounting height 9’-6”.
14
15
AP P L IC ATION S p ri v at e o ffi ce
Low profile lighting for
high profile occupants
The key ingredients of efficient private office lighting are
visual comfort, proper task illuminance, and low energy usage.
With all of these capabilities in addition to its balanced
bilateral light distribution, the Class R, outfitted with the Micro
Baffle shielding option, is perfectly suited to private office
applications. This bilateral distribution aids in eliminating the “cave
effect” by providing soft, even illumination on vertical surfaces.
Appropriate specification and installation of the Class R in this application includes the integration of an advanced
energy controls system and an installed orientation of the luminaire’s low-brightness axis towards the door.
The use of dimming, occupancy sensors, and daylight harvesting helps take the already low unit power density
down to near-zero power consumption through the course of the day, and will also assist in meeting the energy
codes specific to the region.
18
25
30
27
Imagery by Keith Johnson
R2-WB-2N5-1D-UNV-22-T1
2X2 Recessed Lay-In, Micro Baffle,
2-14 Watt T5 Lamps, Step Dimming
Electronic Ballast (1.15 Ballast Factor)
.61
watts per
square
foot
25
footcandles*
* Average maintained footcandles (desk area only), calculations at task height, mounting height 8’-6”.
16
17
A P P L IC ATION S h eal t h car e
Preserve your plenum,
and your environment
Nowhere will you find an architectural environment more
jam-packed with challenging plenum obstructions than
in the healthcare industry. Between the necessary HVAC
components and the complex wiring systems of multiple
medical devices, there is often little room left for lighting
above the grid, much less installation of that lighting.
However, lighting is instrumental to a successful healthcare
application.
The best healthcare lighting closely considers the needs of both the professional and the patient, offering
both vertical illumination that caters to functional task lighting, as well as balanced bilateral illumination for
visual comfort and wayfinding. The Class R addresses both of these necessities, and still manages to install
in the most crowded of plenum spaces.
Additionally, the Class R is available with an advanced anti-microbial paint finish that prevents the growth of
microorganisms, helping to maintain the germ-free environment critical to healthcare. Other enemies of the
sterile environment, such as dust and bugs, are kept at bay by a lens gasketing option that both prevents
ingress and offers a smooth exterior surface for easy cleaning.
43
A
39
43
A
39
43
A
Nurse Station
14
20
14
14
20
Corridor
B
B
Imagery by Keith Johnson
B
B
2X4 Recessed Lay-In, Lens, 2-28 Watt T5
Lamps, Step Dimming Electronic Ballast
(.95 Ballast Factor)
.96
watts per
square
foot
41
footcandles*
2X4 Recessed Lay-In, Lens, 1-28 Watt T5
Lamp, Electronic Ballast
(.90 Ballast Factor)
.35
watts per
square
foot
17
footcandles*
Nurse Station
A. R2-WL-2N5-1D-UNV-24-T1
Corridor
B. R2-WL-1N5-1C-UNV-24-T1
* Average maintained footcandles, calculations at task height, mounting height 9’-0”.
18
19
A P P L IC ATION S cl as sr o o m
Recessed lighting that
really makes the grade
Creating an inviting and efficient atmosphere conducive to
learning is of the utmost concern when lighting for classrooms,
and the needs of the instructor and the student must both be
considered. For the instructor, whiteboard visibility and the
ability to adjust lighting for multimedia presentations is critical.
Students require efficient and controlled task lighting for note
taking and unimpeded computer screen visibility. The Class R,
with its highly efficient bilateral light distribution, addresses all of
these requirements.
With regard to energy concerns and constrained budgets, the Class R’s T5 specific low energy design generates
lower watts per square foot, satisfying both stringent classroom lighting code requirements and the desire for a
reduced energy bill. When combined with step dimming (0/50 or 100) and zone switching, the energy savings can
increase further, while further providing the perfect solution for multimedia and multitask environments.
31
35
29
30
31
30
Imagery by Keith Johnson
R2-WL-2N5-1D-UNV-22-T1
2X2 Recessed Lay-In, Lens, 2-14 Watt T5
Lamps, Step Dimming Electronic Ballast
(1.15 Ballast Factor)
.53
watts per
square
foot
31
footcandles*
* Average maintained footcandles, calculations at task height, mounting height 8’-6”.
20
21
Corelite
4675 Holly Street
Denver, CO 80216
P: 303-393-1522
F: 303-393-1477
International Sales, USA
Cooper Lighting
1121 Highway 74 South
Peachtree City, GA 30269
P: 770-486-4800
F: 770-486-4801
Cooper Lighting
Customer First Center
1121 Highway 74 South
Peachtree City, GA 30269
Canada
Cooper Lighting
5925 McLaughlin Road
Mississauga, Ontario L5R 1B8
P: 770-486-4800
F: 770-486-4801
P: 905-507-4000
F: 905-568-7049
www.cooperlighting.com
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