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www.lightolier.com © 2009 a Philips Group
Section 1A/Folio E20-32 Rev. A
Job Information
Type:
Lightolier is a Philips group brand
Prismalyte
Plus
PRA2GRFVA26U or 217
Page 2 of 2
2' x 2' Recessed Fluorescent, Floating Lens Frame, Black Reveal
Static or Air Supply/Return, 2 Lamp, T8
Ordering Information
Explanation of Catalog Number. Example: PRA2GRFVA26UUNVHI
Options/Accessories
Special Lenses
: Substitute
VY
for
VA
(standard) = .125" nominal pattern 12 with 7.8 oz. average
weight per square foot. Substitute
VI
for
VA
(standard) = .125" nominal pattern 12 with 6.8 oz.
average weight per square foot.
Radio Interference Filter
: To order one RIF per fixture; SUFFIX:
R
.
To order one RIF per ballast; SUFFIX:
B
.
Air Closure Strip
: SUFFIX
ACS2
(factory installed).
Electrical Wiring Options
: Consult factory.
Drywall Kit
: Order Catalog Number:
FK92X2
.
(Request Folio OA30-10 Rev. A).
Chicago Plenum
: SUFFIX:
C
.
Specifications
Performance
: In an installation of 2 lamp 31W luminaires in a room cavity ratio of 1,
reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .76. To prevent
glare the VCP shall be not less than 41 either lengthwise or crosswise (at 100fc level) and
the average brightness at 65° shall not exceed 2572 candelas per square meter. To control
veiling reflections, luminaire output in the 30°-90° zone shall not be less than 66.9%.
Air Handling
: (PRA only) side air passages for air supply or air return. Supply air is dis-
charged vertically. Optional side closure strips. Air return is also provided through the lamp
compartment through fixture body ends.
Specifications (continued)
Materials
:
Chassis parts
are die-formed code gauge cold rolled steel. Housing with side rails hemmed over and hous-
ing ends turned-in for safe handling.
Finish
:
Chassis exterior
–black baked polyester enamel.
Cavity
–white baked polyester enamel minimum 86%
reflectance. Phosphate undercoating.
Lenses
:
VA
(standard) extruded virgin acrylic, 3/16" square based female cones, running 45° to the panel edge,
.095" nominal thickness (similar to pattern 12).
VY
(optional) .125" nominal pattern 12 with 7.8 oz. average
weight per square foot.
VI
(optional) .125" nominal pattern 12 with 6.8 oz. average weight per square foot.
Electrical
: Thermally protected class “P” ballast C.B.M. approved, non PCB. If K.O. is within 3" of ballast, use
wire suitable for at least 90°.
Labels
: I.B.E.W. UL and ULc Listed.
This product may have a mercury containing lamp.
Manage in accord with Disposal Laws. See: www.lamprecycle.org
Photometry
Model No. PRA2GRFVA26U120SO
LER = FP - 58.4 IW - 56.5 BF - 0.87
Comparative yearly lighting energy cost per 1000 lumens = $4.25
THIS REPORT IS BASED ON PUBLISHED INDUSTRY PROCEDURES • FIELD PERFORMANCE MAY VARY FROM LABORATORY PERFORMANCE.
coefficients of utilization — zonal cavity method
(effective floor cavity reflectance 0.20)
RF
20
20
20
RC
80
50
30
RW
70
50
30
50
30
10
50
30
10
1
79
76
73
71
69
67
68
66
65
2
72
67
62
63
60
57
61
58
55
3
66
60
54
56
52
49
54
51
48
4
61
53
48
51
46
42
49
45
42
5
57
48
42
46
41
37
44
40
37
6
53
44
38
42
37
33
41
36
33
7
49
40
34
38
33
29
37
33
29
8
46
36
31
35
30
26
34
30
26
9
43
34
28
32
27
24
32
27
24
10
40
31
26
30
25
22
29
25
22
visual comfort probability
(rated lumens per lamp 3150.)
room size
ceiling height
ceiling height
W
L
8.5
10.0
13.0
16.0
8.5
10.0
13.0
16.0
20
20
57
61
67
73
54
58
64
70
20
30
49
53
58
64
46
50
55
60
20
40
46
48
53
57
42
45
49
54
20
60
42
45
48
52
38
41
43
48
30
20
58
63
67
72
56
61
65
70
30
30
50
54
58
63
47
51
55
60
30
40
46
49
52
56
42
45
49
53
30
60
42
45
47
50
39
41
43
47
30
80
41
43
43
47
38
39
40
43
40
20
60
64
68
72
58
63
67
70
40
30
51
55
59
63
49
53
57
61
40
40
47
50
53
56
44
47
50
53
40
60
43
46
47
50
40
42
43
47
40
80
42
43
43
46
38
40
40
43
40
100
42
43
42
44
39
39
38
40
60
30
52
56
60
64
51
55
58
62
60
40
48
50
53
57
45
48
51
55
60
60
44
46
47
50
41
43
44
48
60
80
42
44
43
46
39
40
40
43
60
100
42
43
42
44
39
39
38
40
100
40
51
53
55
59
49
52
54
57
100
60
47
48
48
52
45
46
46
50
100
80
45
45
45
48
43
43
42
45
100
100
44
44
43
45
42
41
40
41
room
cavity
ratio
luminaries
lengthwise
luminaries
crosswise
Prismalyte
Plus:
Floating
Lens Frame
Recessed
Fluorescent
Troffer
Body Style:
A
=Air
Handling
S
= Static
2
Fixture
Width
Ceiling Type:
G
= Grid
(lay-in T bar)
T
= Slot grid or
two-directional
concealed T
see options)
RF
Lens Frame:
RF
=1/2" regressed
floating aluminum
frame with 7/16"
black reveal four
sides.
Lens Shielding
Type:
VA
=Virgin acrylic
(standard), see
options and
consult factory
2
Lamp
Quantity
Lamp Type/
Fixture Length:
6U
= 6"U Lamp T8
17
= T8
(Nominal 24")
Note:
For
Linear
T5 Lamp
option,
consult factory
Options:
Add appropriate suffix to
catalog no., ie: (C)
Ballast Type:
<
20THD
<
10THD
1–2 Lamp Elec. T8
SO *
H
I
*
LOL T8 Dimming
PS
–
*Instant Start Standard
Other dimming options. Consult factory.
NOTE:
For
T8 UNV
, you must use
H
I
Ballast Code.
Voltage:
120, 277 or
UNV
=120-277
PR
Standard Prismalyte Plus
PK
For NYC Code – I.B.E.W. Manufactured
PX
For NYC Code – Local 3 Manufactured
