Skyway
SKS2GPK2FT
Page 2 of 2
2' x 2' Recessed Fluorescent, Tri-Lens Frame
Static or Air Supply/Return, 2 Lamp Twin Tube T5
Ordering Information
Explanation of Catalog Number. Example: SKS2GPK2FTUNVIB
Options/Accessories
Fusing:
Internal fast blow fusing: SUFFIX:
A
.
Internal slow blow fusing: SUFFIX:
C
.
Drywall Kit:
Order Catalog Number:
FK92X2
.
Electrical Wiring Options:
Consult factory.
For motion or light sensor:
See Folio OA20-10 and OA20-30.
Specifications
Performance:
In an installation of 2 lamp 40W luminaires in a room cavity ratio of 1,
with reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .81.
To reduce glare the average brightness at 65° shall not exceed 3418 candelas per
square meter. To control veiling reflections, luminaire output in the 30°-90° zone shall
not be less than 68.5%.
Air Handling: (SKA only)
side air passages for air supply or air return. Supply air is
discharged vertically. Optional side closure strips. Air return is also provided through the
lamp compartment through fixture body ends.
Materials
:
Chassis parts
are die-formed code gauge cold rolled steel. Housing has side rails
hemmed over and housing ends turned-in for safe handling.
Specifications (continuned)
Finish
:
Chassis exterior
–black baked polyester enamel.
Cavity
–white baked polyester
enamel minimum 86% reflectance. Rust preventative undercoating.
Reflectors-
95%
reflective white powder coated.
Lens:
Proprietary high quailty frost white acrylic and clear conical prism lens assembly.
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:
UL Listed for damp locations. 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
Options:
Add appropriate
suffix to catalog
no., ie: (A)
Skyway
Recessed
Fluorescent
Body Style:
S
= Static
A
= Air
2
Fixture
Width
Ceiling Type:
G
= Standard
Grid
T
= Slot Grid
P
Side Lens:
P
= Frost White
Acrylic Lens
FT
Lamp:
(By Others)
FT
= Twin Tube T5
K
Center Lens:
K
= Pattern 19
.156 Virgin
Acyrlic Lens
2
Lamp
Quantity
2
=2 Lamp
Ballast Type:
<
20THD
<
10THD
2 Lamp Elec. TT5 (40 Watt)
SB*
I
B*
*
2 Lamp Elec. TT5 (40 Watt)
–
PR†
2 Lamp Elec. TT5 (50 Watt)
BE
*
–
2 Lamp Elec. TT5 (55 Watt)
–
BF
*
LOL Dimming TT5
PB
–
*Instant Start Standard.
Other dimming options. Consult factory.
NOTE:
For TT5 40W
UNV
, you must use PR Ballast Code.
†Program Rapid Start
Voltage:
120, 277 or
UNV
=120-277
0.0
45.0
90.0
FLUX
0
2055
2055
2055
5
2040
2040
2043
194
15
1937
1957
1986
554
25
1747
1826
1932
846
35
1482
1672
1859
1041
45
1131
1248
1276
956
55
736
808
772
703
65
420
459
435
454
75
218
222
207
240
85
48
66
40
65
90
0
0
0
Model No. SKS2GPK2FTUNVIB (40 watt lamp)
LER = FP - 64.3
IW - 69.1
BF - 0.88
Comparative yearly lighting energy cost per
1000 lumens = $3.73
Report Number: G2008206
Catalog Number: SKS2GPK2FTUNVIB
Lamps: (2) PL-L40/835/RS/IS
Luminaire: Skyway Recessed 2' x 2' fixture
prismatic acrylic lens assembly
.
Ballast: ICN-2TTP40-SC
Report is based on 3300 Lumens per lamp.
Efficiency: 76.5%
CIE Type-Direct-Indirect
Plane:
0-Deg
90-Deg
Spacing Criteria:
1.2
1.4
Shielding Angles:
90
90
Plane:
0-Deg
90-Deg
Luminous Length:
21.600
21.600
CANDELA DISTRIBUTION
AVERAGE AVERAGE AVERAGE AVERAGE
IN DEG.
0-DEG.
45-DEG.
90-DEG.
45
5312.
5861.
5993.
55
4261.
4678.
4470.
65
3300.
3607.
3418.
75
2797.
2849.
2656.
85
1829.
2515.
1524.
LUMINANCE DATA IN CANDELA/SQ. METER
COEFFICIENTS OF UTILIZATION –
ZONAL CAVITY METHOD. EFFECTIVE
FLOOR CAVITY REFLECTANCE 0.20
0
RC
80
50
30
RW 70 50 30 50 30 10 50 30 10
0
1 84 81 78 76 74 72 73 71 69
0
2 77 71 66 67 63 60 65 62 59
0
3 71 63 57 60 55 51 58 54 51
0
4 65 56 50 54 48 44 52 47 44
0
5 60 51 44 48 43 39 47 42 38
0
6 56 46 39 44 38 34 43 38 34
0
7 52 42 35 40 35 31 39 34 30
0
8 48 38 32 37 31 27 36 31 27
0
9 45 35 29 34 29 25 33 28 25
10 42 33 27 31 26 23 31 26 22
ZONE
LUMENS % LAMP
% FIXT
0
0-
0
30
1593
24.1
31.5
0
0-
0
40
2635
39.9
52.2
0
0-
0
60
4294
65.1
85.0
0
0-
0
90
5052
76.5
100.0
90-180
000
0
0.0
00
0.0
0
0-180
5052
76.5
100.0
ZONAL LUMEN SUMMARY
SK
Standard Skyway
SY
For NYC Code – I.B.E.W. Manufactured
Job Information
Type:
For Factory Technical Information: (978) 657-7600 • Fax (978) 658-0595
08/10
631 Airport Road, Fall River, MA 02720 • (508) 679-8131 • Fax (508) 674-4710
We reserve the right to change details of design, materials and finish.
www.lightolier.com © Philips Group
Section 5/Folio MA12-10 Rev. B
