Lightolier DPB2S16LS26U, DPB2S16LS22U Options & Accessories, Specifications, Job Information

Section 2A/Folio G50-85 REV. B

DEEPCELL SURFACE DPB2S16LS26U OR 22U

Page 2 of 2 2' x 2' SURFACE FLUORESCENT, 3" TYPE, 16 CELL PARABOLIC LOUVER, 2 LAMP T8 OR T12

PHOTOMETRY

MODEL NO. DPB2S16LS26U120SO coefficients of utilization — zonal cavity method

	RF		20			20			20
	RC		80			50			30
	RW	70	50	30	50	30	10	50	30	10
	1	60	58	57	55	54	52	53	52	51
ratio	2	56	52	50	50	47	45	48	46	44
	3	52	47	44	45	42	40	43	41	39
cavity	4	48	43	38	41	37	35	39	37	34
	5	45	38	34	37	33	31	36	33	30
room	6	41	35	31	34	30	27	33	30	27
	7	39	32	28	31	27	25	30	27	24
	8	36	29	25	28	25	22	28	24	22
	9	34	27	23	26	23	20	26	22	20
	10	32	25	21	24	21	18	24	21	18

visual comfort probability

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		81	74	70	74		80	72	66	74
20	30		82	76	72	70		81	74	69	68
20	40		84	78	75	72		83	76	72	70
20	60		85	80	77	74		84	78	74	72
30	20		84	79	72	73		83	77	69	74
30	30		85	80	74	70		84	78	71	68
30	40		86	81	76	72		85	80	74	70
30	60		86	82	78	74		86	81	76	72
30	80	lengthwise	87	83	79	76	crosswise	86	82	77	74
40	40		87	83	79	73		87	82	77	72
40	20		86	81	75	74		85	79	73	75
40	30	luminaries	87	82	77	71	luminaries	86	80	75	70
40	60		87	84	80	74		87	83	78	73
40	80		88	84	81	76		87	84	79	75
40	100		88	85	82	77		87	84	81	77
60	30		87	83	78	74		86	82	76	73
60	40		88	84	80	75		87	83	78	74
60	60		88	85	81	76		87	84	79	75
60	80		88	85	82	78		87	84	81	77
60	100		88	85	83	79		88	85	82	78
100	40		88	84	81	77		87	83	79	76
100	60		88	85	82	78		88	84	81	77
100	80		88	86	83	79		88	85	82	78
100	100		88	86	84	80		88	85	83	79

ORDERING INFORMATION Explanation of Catalog Number. Example: DPB2S16LS26U120SOGLR

DP		B	2
DEEPCELL			FIXTURE
PARABOLIC:			WIDTH
Pre-anodized
Aluminum
Louver
	BODY STYLE:
		Surface Box

*Consult factory for availability of louver finishes.

S	16			S
	NUMBER OF			BALLAST
	CELLS			COVER
CEILING			LOUVER FINISH*:
TYPE:	L=	Low-iridescence semi-specular
S=Surface	P=	(standard)
		Low-iridescence specular

W= White Paint

2

LAMP	VOLTAGE:	OPTIONS:
QUANTITY:	120 or 277	Add appropriate suffix
(By Others)		to catalog no., ie: (GLR)
2=2 Lamp	BALLAST TYPE:
	1-2 Lamp Mag. T12	LE
		<20THD	<10THD
LAMP/	1-2 Lamp Elec. T8	SO*	HI*
FIXTURE LENGTH:	LOL Dimming T8	PS	–
2U=T8, 1-5/8" U Lamp
	*Instant Start Standard
6U=6" U Lamp T8 or
T12	Other dimming options. Consult factory.
(Nominal 24")

OPTIONS & ACCESSORIES

STEM AND CANOPY SETS: Suspends fixture 6", 12", 18" or 24" from surface.

(Four per fixture is recommended.) Catalog Number: ASC6 CSP (6"), ASC12 CSP (12"), ASC18 CSP (18"), ASC24 CSP (24")

FUSING: Internal fast-blow fusing.

SUFFIX: GLR.

Internal slow-blow fusing.

SUFFIX: GMF.

RADIO INTERFERENCE FILTER 120 or 277 volt, 50 or 60 Hz. One per fixture is standard. SUFFIX: RF.

ELECTRICAL/WIRING OPTIONS Consult factory.

SPECIFICATIONS

PERFORMANCE: In an installation of 2U lamp 31W luminaires in a room cavi- ty ratio of 1, with a reflectance of 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .58. To prevent glare the VCP shall be not less than 87 either lengthwise or cross wise (at 100fc level) and the average brightness at 65° shall not exceed 914 footlamberts. To control veiling reflections, luminaire output in the 30°-90° zone shall be not less than 61.5%.

SPECIFICATIONS (continued)

MATERIALS: Chassis parts are die-formed 20 gauge cold rolled steel, stud- welded for rigidity with all seams finished smooth.

LOUVER: pre-anodized aluminum (Coilzak® or equal).

STANDARD FINISH: Louver—low iridescence, semi-specularpre-anodized vertical grain reflector sheet. Cavity—white baked acrylic enamel minimum 86% reflectance. Phosphate undercoating. Chassis exterior—white baked acrylic enamel.

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 C-UL.

Job Information	Type:
Lightolier a Genlyte Thomas Company	www.lightolier.com

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.

© 2002 Genlyte Thomas Group LLC (Lightolier Division) A0902