Lightolier HDS2GLW128 Ordering Information, Options/Accessories, Specifications, Page 2 of

HP90 Semi HDS2GLW128 or 228

Page 2 of 2

Direct/Indirect Semi-Recessed Fluorescent 2' x 4' with Acrylic Linear Prismatic Lens, 1 or 2 Lamp T5

Model No. HDS2GLW128UNVPG

LER = FP - 74.7 IW - 33.3 BF - 1.04 Comparative yearly lighting energy cost per

1000 lumens = $3.21

Report Number: G2008221

Catalog Number: HDS2GLW128UNVPG

Lamps: (1) F28 T5

Luminaire: HP90 Semi-Recessed 2' x 4' with linear prismatic lens.

Ballast: ICN-2S28

Report is based on 2750 Lumens per lamp.

Efficiency: 87.0%
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:	47.880	23.040

CANDELA DISTRIBUTION0

	0.0	45.0	90.0	FLUX
0	679	679	679
5	675	676	678	64
15	645	657	668	186
25	587	619	645	285
35	507	563	607	351
45	408	495	561	378
55	295	417	505	366
65	179	336	440	320
75	81	256	370	255
85	18	184	307	187
90	4	121	225

Model No. HDS2GLW228120WA

LER = FP - 83.7 IW - 54.1 BF - 0.93 Comparative yearly lighting energy cost per

1000 lumens = $2.87

Report Number: G2008223

Catalog Number: HDS2GLW228120WA

Lamps: (2) F28 T5

Luminaire: HP90 Semi-Recessed 2' x 4' with linear prismatic lens.

Ballast: ST232120E (WA)

Report is based on 2750 Lumens per lamp.

Efficiency: 88.5%
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:	47.880	23.040

CANDELA DISTRIBUTION

	0.0	45.0	90.0	FLUX
0	1396	1397	1396
5	1388	1390	1394	132
15	1325	1347	1368	381
25	1207	1266	1315	583
35	1042	1150	1241	718
45	840	1011	1150	775
55	608	855	1034	751
65	370	688	892	655
75	170	517	729	513
85	37	363	573	357
90	7	222	404

COEFFICIENTS OF UTILIZATION – ZONAL CAVITY METHOD. EFFECTIVE FLOOR CAVITY REFLECTANCE 0.200

RC		80			50			30
RW	70	50	30	50	30	10	50	30	10
01	92	87	82	81	77	74	77	74	71
02	83	74	67	69	64	59	66	62	58
03	75	64	56	60	54	48	58	52	48
04	68	57	48	53	46	41	51	45	40
05	63	50	42	47	40	35	46	39	34
06	58	45	37	43	36	30	41	35	30
07	53	41	33	39	32	27	37	31	26
08	50	37	29	35	29	24	34	28	24
09	46	34	27	32	26	21	32	25	21
10	43	31	24	30	24	19	29	23	19

ZONAL LUMEN SUMMARY

ZONE	LUMENS	% LAMP	% FIXT
00-030	535	19.5	22.4
00-040	886	32.2	37.1
00-060	1630	59.3	68.1
00-090	2392	87.0	100.0
90-180	0000	00.0	000.0
00-180	2392	87.0	100.0

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.	0-DEG. 45-DEG. 90-DEG.
45	774.	916.	1014.
55	676.	924.	1083.
65	540.	965.	1206.
75	373.	1091.	1466.
85	188.	1614.	2322.

COEFFICIENTS OF UTILIZATION – ZONAL CAVITY METHOD. EFFECTIVE FLOOR CAVITY REFLECTANCE 0.200

RC		80			50			30
RW	70	50	30	50	30	10	50	30	10
01	94	88	83	82	79	75	79	76	73
02	84	76	69	71	65	60	68	63	59
03	76	66	58	61	55	50	59	53	49
04	69	58	49	54	47	42	52	46	41
05	64	51	43	48	41	36	47	40	35
06	59	46	38	44	36	31	42	36	31
07	54	42	33	39	32	27	38	32	27
08	51	38	30	36	29	24	35	29	24
09	47	35	27	33	26	22	32	26	22
10	44	32	25	31	24	20	30	24	20

ZONAL LUMEN SUMMARY

ZONE	LUMENS	% LAMP	% FIXT
00-030	1097	19.9	22.5
00-040	1815	33.0	37.3
00-060	3340	60.7	68.7
00-090	4866	88.5	100.0
90-180	0000	0.0	000.0
00-180	4866	88.5	100.0

LUMINANCE DATA IN CANDELA/SQ. METER

AVERAGE AVERAGE AVERAGE AVERAGE

IN DEG.	0-DEG. 45-DEG. 90-DEG.
45	1593.	1871.	2079.
55	1394.	1895.	2218.
65	1116.	1976.	2446.
75	783.	2203.	2889.
85	386.	3183.	4333.

Ordering Information

Explanation of Catalog Number. Example: HDS2GLW228UNVPG

HD

S

2

G

L

W

28

Reflector:

Lamp

HP90

Body Style:

Fixture

Ceiling

Type:

Acrylic Lens

Lamp:

Voltage:

Options:

Direct/Indirect

S = Static

Width

Fits both

White

Quantity

(By Others)

120, 277 or

Add appropriate

Semi-Recessed

Standard Grid

1=1 Lamp

28=T5 288W

UNV=120-277

suffix to catalog

and

2=2 Lamp

(Nominal 48")

Ballast

Type:

no., ie: (A)

Slot Grid

<20THD

<10THD

*1 or 2 Lamp Elec. T5

–

PI ††

(28 Watt)

PG ††

*1 or 2 Lamp Elec. T5

–

(28 Watt)

Options/Accessories

Fusing: Internal fast blow fusing: SUFFIX: A.

Internal slow blow fusing: SUFFIX: C.

Drywall Kit: Order Catalog Number: FK92X4.

Electrical Wiring Options: Consult factory.For motion or light sensor. See Folio OA20-10.

Specifications

Performance: In an installation of 2 lamp 28W luminaires in a room cavity ratio of 1, with reflectance 80% ceiling, 50% wall, 20% floor, the C.U. shall not be less than .88. To reduce glare the average brightness at 65° shall not exceed 2446 candelas per square meter. To control veiling reflections, luminaire output in the 30°-90° zone shall not be less than 77.6%.

Materials: Chassis parts are die-formed code gauge steel.

Lamp Shield: Linear prismatic translucent DR acrylic lens.

Finish: Chassis exterior – Soft white post painted polyester powder. Cavity – Soft white post painted polyester powder. Rust preventative undercoating. Reflector – Soft white post painted polyester powder.

*2-Lamp Elect. T5	–	VY**
(28 Watt)
.95/.35 Bilevel Step Ballast

††Instant Start (120, 227 or UNV) ††Program Rapid Start (UNV only)

*WA = Linear T5 Instant Start Less than 10 THD 56 Input Watts 0.93 Ballast Factor 120V or 277V only.

**.35 20THD / .95 10 THD

Specifications (continued)

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

Job Information Type:

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.

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