Features
• 88.9% efficient (2 lamp, 28W).
• 86.9% efficient (1 lamp, 28W).
• Direct/indirect appearance with soft contoured interior.
• Lens encloses lamp compartment.
• Translucent DR acrylic high light transmission linear prismatic lens.
• Tension screws secure ends to body.
• Same fixture fits both G and T ceiling types.
• Fits flush to face of slot grid (T) ceiling types.
• Lamp shield opens from either side.
• 95% reflective specular aluminum reflector.
• Ballast accessible from room side.
• Built-in earthquake clips.
• Can be continuous row mounted.
• Wiring access plate standard.
• Optional DALI ballast i GEN TECHNOLOGY accepts digital dimming
controllers, scene controllers and automatic control devices.
• Construction to meet NYC Code or Chicago Plenum available.
Mounting Methods
Dimensions
HP90 Recessed Fluorescent
H9S1GLR228 or 128
Page 1 of 2
Direct/Indirect – 1' x 4' with Acrylic Linear Prismatic Lens
Static, 1 or 2 Lamp T5
exposed slot t-grid ceiling
Acoustical
material
by others
1-7/8"
max.
Exposed T-bar
by others
9/16"
12"
7/8" Dia. K.O.
2-1/4"
(57mm)
2" x 2-1/2" Access Plate
With (2) 7/8" dia. K.O.
2-1/4"
(57mm)
48" (1219mm)
5"
(127mm)
12" (305mm)
fully enclosed lamp compartment
5" (127mm)
Job Information
Type:
Job Name:
Cat. No.:
Lamp(s):
Volts/Ballast:
For Factory Technical Information: (978) 657-7600 • Fax (978) 658-0595
12/10
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 M32-20 Rev. A
built-in earthquake clips
exposed t-grid ceiling
Exposed T-bar
by others
1-1/2"
max.
Acoustical
material
by others
15/16" *
12"
* For flush mounting when using 9/16" Exposed T-Grid
ceiling system consult factory
