Lightolier SKS2GPK2FT Indoor Furnishings User Manual


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For Factory Technical Information: (978) 657-7600 • Fax (978) 658-0595
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 © 2009 a Philips Group Section 5/Folio MA12-10
Job Information Type:
Lightolier is a Philips group brand
Skyway SKS2GPK2FT
Page 2 of 2 2' x 2' Recessed Fluorescent, Tri-Lens Frame
Static or Air Supply/Return, 2 Lamp Twin Tube T 5
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 25W luminaires in a room cavity
ratio of 1, with reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not
be less than .95. To reduce glare the average brightness at 65° shall not exceed
2648 candelas per square meter. To control veiling reflections, luminaire output
in the 30°-90° zone shall not be less than 67.9%.
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 provid-
ed 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.
Finish: Chassis exterior–black baked polyester enamel. Cavity–white baked
polyester enamel minimum 86% reflectance. Rust preventative undercoating.
Reflectors- 95% reflective white powder coated.
Specifications (continuned)
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°.
UL Listed for damp locations.
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
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 SB* IB**
(25 or 40 Watt)
2 Lamp Elec. TT5 – PR†
(40 Watt)
2 Lamp Elec. TT5 BE* –
(50 Watt)
2 Lamp Elec. TT5 –BF*
(55 Watt)
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
0.0 45.0 90.0 FLUX
0 1721 1721 1721
5 1704 1705 1709 162
15 1613 1631 1658 462
25 1449 1520 1614 704
35 1229 1390 1548 863
45 921 1012 1025 773
55 595 653 623 569
65 337 367 348 364
75 171 176 161 188
85 32 45 25 46
90 000
Model No. SKS2GPK2FTUNVIB (25 watt lamp)
LER = FP - 64.0 IW - 59.4 BF - 0.92
Comparative yearly lighting energy cost per
1000 lumens = $3.75
Report Number: G2008207
Catalog Number: SKS2GPK2FTUNVIB
Lamps: (2) PL-L40/835/XEW/4P/RS/IS 25W
Luminaire: Skyway Recessed 2' x 2' fixture
prismatic acrylic lens assembly.
Ballast: ICN-2TTP40-SC
Report is based on 2300 Lumens per lamp.
Efficiency: 89.9%
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 4326. 4753. 4814.
55 3445. 3781. 3607.
65 2648. 2884. 2735.
75 2194. 2258. 2066.
85 1219. 1715. 953.
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
01999591898784868482
02918478797571767369
03837568716561686460
04776759635753615652
05716052575146555046
06665447524541504540
07614942474136464036
08574538433733423732
09534235403430393329
10 50 38 32 37 31 27 36 31 27
ZONE LUMENS % LAMP % FIXT
00-030 1328 28.9 32.1
00-040 2191 47.6 53.0
00-060 3537 76.9 85.5
00-090 4134 89.9 100.0
90-180 0000 0.0 000.0
00-180 4134 89.9 100.0
ZONAL LUMEN SUMMARY
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
90 000
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
01848178767472737169
02777166676360656259
03716357605551585451
04655650544844524744
05605144484339474238
06564639443834433834
07524235403531393430
08483832373127363127
09453529342925332825
10 42 33 27 31 26 23 31 26 22
ZONE LUMENS % LAMP % FIXT
00-030 1593 24.1 31.5
00-040 2635 39.9 52.2
00-060 4294 65.1 85.0
00-090 5052 76.5 100.0
90-180 00000.0000.0
00-180 5052 76.5 100.0
ZONAL LUMEN SUMMARY
SK
Standard Skyway
SY
For NYC Code – I.B.E.W. Manufactured
NK
For NYC Code – Local 3 Manufactured
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