4522-2
2' × 2' Recessed 4" Deep Cell Parabolic / 2-Lamp T8, TT, U-Bent
PROJECT INFORMATION
4" Deep Louver
Project Name
Type
Catalog No.
Date
CONSTRUCTION
Luminaire housing and end caps are die formed
code gauge cold rolled steel. Anodized aluminum
louver is secured in open or closed position by die
formed steel hinges. Louver hinges from either
side. A mechanical light trap prevents light leaks.
Latches are finger-tip actuated, positive feed type,
fabricated of spring steel, and completely concealed
in the black reveal.
FEATURES
• Meets IES standard RP-1 glare control
recommendations on most models
• Non-directional architecturally modern 2' × 2' design
• Ideal for today’s computer intensive electronic offices
• Wide light distribution provides uniform illumination
• 4" deep low iridescent anodized aluminum louver
• UL listed 1598
• Surface mount available
• Mechanical light trap prevents light leaks
• Black reveal with full air handling capabilities
• T8 “U” lamp produces 2800 lumens with good visual
comfort
• Also available with 3 lamps, see 4522-3
FINISH
Painted parts are treated with a five stage phosphate bonding process and finished with a high
temperature baked white enamel. For post painted
housing, suffix catalog number with PAF. Regressed
slots are flat black. Choice of low iridescent silver
louver finishes.
AIR HANDLING
All supply/return and air extract functions are
shown on the specification sheet and are available
as a specified option. Specify air handling requirement by including function number as part of
complete catalog number. Directional control vanes
and/or extract dampers must be specified.
Air extract slots are located out of sight in end caps.
See air removal data on specification sheet.
ORDERING INFORMATION
45
22
MODEL
–
45 Recessed 4"
Deep Cell
Parabolic
2 Two
–
CEILING TYPE
G
F
M
SG
SM
Grid
Overlap Flange
Modular Fit-in Trim
Slot Grid
Surface Mount
(Static only)
–
NO. CELLS
CROSSWISE
3 Three
4 Four
SIZE
LAMP TYPE
LOUVER FINISH
22 2' × 2'
32U6 U-Bent, 6" Leg
Spacing T8: 32 Watt
31U1 U-Bent, 15/8" Leg
Spacing T8: 31 Watt
40TT Twin Tube Compact,
2G11 Base: 40 Watt
17 2', T8: 17 Watt
LD Low Iridescent
Semi-Specular (Std.)
MA Matte Anodized Low
Iridescent SemiSpecular Aluminum
LS Low Iridescent Specular
NO. CELLS
LENGTHWISE
3 Three
4 Four
EL or other options may increase fixture depth.
Page 1/2 Rev. 12/29/14
ELECTRICAL
Standard class “P”, thermally protected, autoresetting HPF ballast, sound rated A. CEE NEMA Premium
compliant. All ballast leads extend a minimum of 6"
through access location. NEC/CEC-compliant ballast
disconnect is standard.
CEILING COMPATIBILITY
Luminaire is available to fit most standard ceiling
types as shown in specification sheet. For information on compatibility with specific ceilings, contact
your Columbia representative. Luminaires for
concealed suspension ceilings are furnished with
necessary T-bar clips and/or wing hangers.
–
–
CD
H
HD
OPTIONS1
BALLAST
E Electronic T8,
Instant Start
ETT Electronic Twin
Tube, Instant Start,
(Specify voltage)
For a specific ballast
vendor show as option.
AIR FUNCTIONS
S
A
AV
C
CV
CVD
1
BALLASTS
Energy efficient, thermally protected, automatic
resetting, Class P, high power factor, sound rated A,
magnetic or electronic ballasts. CEE NEMA Premium
compliant.
EXAMPLE 4522-217G-LD33-S-EU
2
NO. OF LAMPS
INSTALLATION
For fast wiring connections without the necessity of
opening fixture or wireway, a flex connector adapter
plate is furnished with each luminaire. A plastic
dust cover which eliminates construction dust and
protects the lamps is provided as standard.
Static
Air Handling
Air Handling w/Supply Vanes
Combination Supply/Extract
Combination Supply Vanes/
Extract
Combination Supply Extract
Dampers
Combination Supply Vanes
Extract Dampers
Heat Extract
Heat Extract w/Dampers
GLR
GMF
EL
C388
C488
MS9
NYC
NYCU
Fast Blow Fuse
Slow Blow Fuse
Emergency Battery Pack
3-Wire Flex
4-Wire Flex
Master/Satellite w/9' Harness
NYC Compliant
NYC Compliant, Union Label
VOLTAGE
U 120V-277V
347 347V
PARABOLICS / 4522-2
© 2014 Columbia Lighting, a division of Hubbell Lighting, Inc. Because of continuing product improvement programs, Columbia Lighting reserves the right to change
specifications without notice. 701 Millennium Blvd. Greenville, SC 29607 / Tel 864.678.1000 / Tech Support 864.678.1668 / Website www.columbialighting.com
4522-2
2' × 2' Recessed 4" Deep Cell Parabolic / 2-Lamp T8, TT, U-Bent
PHOTOMETRIC DATA
Ballast
Ballast Factor
Lamp
Lumens per
Lamp
Total Input
Watts
Shielding
Angle
Spacing
Criterion
4522-231U1GLD33-E
45 Parabolic
2' × 2' 2-Lamp with
3 × 3 Cell SemiSpecular Louver
B232I120RH
0.95
FBO31/735
2750
57
0.0 22.5 45.0 67.5 90.0
N/A
Along = 1.22
Across = 1.64
COEFFICIENTS OF UTILIZATION (%)
0
30
40
45
50
55
60
65
70
75
80
85
4294
4016
3840
3693
3486
3148
2496
1132
410
236
145
83
4294
4186
3981
3896
3911
3944
3589
1719
526
292
186
124
4294
4261
4657
5066
5444
5555
4481
1608
557
320
207
165
4294
4635
5606
6215
6552
6578
4546
1702
568
320
207
165
4294
4842
6080
6770
7184
7117
5049
1693
578
320
207
165
ZONAL LUMEN SUMMARY
948
1598
3095
3362
3362
17.2
29.1
56.3
61.1
61.1
RC
RW
1
2
3
4
5
6
7
8
9
10
70
68
62
57
52
48
44
41
38
35
33
80
50 30
65 63
58 54
51 47
45 40
41 35
36 31
33 28
30 25
27 22
25 20
10
61
51
43
37
32
27
24
21
19
17
70
66
61
56
51
47
43
40
37
35
32
70
50 30
64 62
57 53
50 46
45 40
40 35
36 31
32 27
30 25
27 22
25 20
10
60
50
43
36
31
27
24
21
19
17
50
61
55
48
43
39
35
32
29
26
24
50
30
60
52
45
39
34
30
27
24
22
20
INDOOR CANDELA PLOT
10
58
49
42
36
31
27
24
21
19
17
0
0
54
46
39
34
29
25
22
20
18
16
75
60
RCR = Room Cavity Ratio
RC = Effective Ceiling Cavity Reflectance RW = Wall Reflectance
ENERGY DATA
Zone Lumens % Lamp % Fixt.
0-30
0-40
0-60
0-90
0-180
RCR
Luminaire
Test 10937 Test Date 6/11/03
AVG. LUMINANCE (Candela/Sq. M.)
Average Luminance Angle
LUMINAIRE DATA
28.2
47.5
92.1
100.0
100.0
Total Luminaire Efficiency
61.1%
Luminaire Efficacy Rating (LER)
IESNA RP-1-1993 Compliance
Comparative Yearly Lighting
Energy Cost per 1000 Lumens
56
Noncompliant
$4.29 based on 3000
hrs. and $0.08 per KWH
Test 11021 Test Date 6/11/03
Ballast
Ballast Factor
Lamp
Lumens per
Lamp
Total Input
Watts
Shielding
Angle
Spacing
Criterion
4522-240TTG-LD33ETT-PAF
45 Parabolic
2' × 2' 2-Lamp with
3 × 3 Cell SemiSpecular Louver
B232I120RH
0.90
F40BX
3150
67
N/A
Along = 1.22
Across = 1.49
COEFFICIENTS OF UTILIZATION (%)
0.0 22.5 45.0 67.5 90.0
Average Luminance Angle
Luminaire
AVG. LUMINANCE (Candela/Sq. M.)
0
30
40
45
50
55
60
65
70
75
80
85
5463
5087
4883
4720
4437
4076
3330
1549
536
320
207
124
5463
4913
4474
4450
4521
4753
4791
2459
726
403
269
165
5463
4747
5324
6053
7061
7844
6747
2902
925
486
290
206
5463
5170
6681
8077
9797
9869
7732
3234
967
500
311
206
5463
5432
7418
9455
10894
11180
8927
3455
1020
528
331
248
ZONAL LUMEN SUMMARY
Zone Lumens Lamp
Fixt.
0-30
0-40
0-60
0-90
0-180
26.1
43.5
90.0
100.0
100.0
1127
1879
3890
4323
4323
17.9
29.8
61.7
68.6
68.6
DIMENSIONAL DATA
RCR
LUMINAIRE DATA
RC
RW
1
2
3
4
5
6
7
8
9
10
70
76
69
63
58
53
49
45
42
39
36
80
50 30
73 70
64 60
57 51
50 44
44 38
40 34
36 30
33 27
30 24
27 22
10
68
56
47
40
34
29
26
23
20
18
70
74
68
62
56
52
47
44
41
38
36
70
50 30
71 69
63 59
55 51
49 44
44 38
39 33
35 30
32 27
29 24
27 22
10
67
56
47
40
34
29
26
23
20
18
50
69
61
53
47
42
38
34
31
29
26
50
30
67
57
49
43
37
33
29
26
24
21
10
65
54
46
39
33
29
25
23
20
18
0
0
60
51
43
37
31
27
24
21
19
17
RCR = Room Cavity Ratio
RC = Effective Ceiling Cavity Reflectance RW = Wall Reflectance
ENERGY DATA
Total Luminaire Efficiency
68.6%
Luminaire Efficacy Rating (LER)
IESNA RP-1-1993 Compliance
Comparative Yearly Lighting
Energy Cost per 1000 Lumens
58
Noncompliant
$4.14 based on 3000
hrs. and $0.08 per KWH
CEILING COMPATIBILITY
Type G
61⁄4"
4"
253⁄4"
Side
24"
1⁄4" Diffuser
Mtg. K.O.
3⁄16" High Embossed
End
For lay-in installation in exposed grid
ceilings. Maximum tee widths of 1" and
maximum tee heights of 11/2" allowed.
Type F
33⁄4"
24"
Type SG
51⁄16"
24"
2" × 3"
F-Cap K.O.
253⁄4"
NOTE:
INDOOR CANDELA PLOT
All dimensions are in inches; dimensions and specifications are subject to
change without notice. Please consult factory or check sample for verification.
Page 2/2 Rev. 12/29/14
Side
End
For 9⁄16" slot grid type ceilings. Louver
will be level with the ceiling plane.
Shoulder heights of tee or exact slot
grid must be specified.
Type M
Side
End
For tile, plaster or plasterboard type ceilings.
Overlapping extruded aluminum trim
conceals edges of ceiling opening. Wing
hanger suspension system included. For
row mounting, row information is required.
Side
End
For metal pan ceilings “Fit-in” style
extruded trim aligns with modular
tile joints. Fixture is supported from
concealed suspension and includes all
adjustable wing hangers.
Flange kit rough in dimensions for single unit only: 241/8" × 241/8"
PARABOLICS / 4522-2
© 2014 Columbia Lighting, a division of Hubbell Lighting, Inc. Because of continuing product improvement programs, Columbia Lighting reserves the right to change
specifications without notice. 701 Millennium Blvd. Greenville, SC 29607 / Tel 864.678.1000 / Tech Support 864.678.1668 / Website www.columbialighting.com