Philips MFB User Manual

LIGHTOLIIÈR*

Lighting Systems

MMB & MFB

Page 1 of 2 Multi-Lyte Direct/Indirect 2-Light T8 or T5

2

Ordering Information

Type Style No.of

Lamps

Length Ballast

Type

Lamp
Type

Voltage

Type

M B

F

M

= Multi-Lyte

system

= LightlngFIxture

for individual
mounting

M

= Lighting module

for channel
attachment

2

Specifications

1. Housing: 20 gauge die-formed steel. Finish is white baked enamel.

2. End Plate: Die-formed 20 gauge steel spot-welded to the housing. Finished to

match housing.

3. Parabolic Louver: Low iridescent semi-specular anodized aluminum, 37°

shielding lengthwise, blades are 1-1/4" (3.18cm) high and 2" (5.08cm) O.C.
Concealed spring clips retain louver in housing.

4. Lamps: 17or32 watt T-8 fluorescent or 14,28 or 54 watt T-5 linearfluorescent.

All lamps provided by others.

5. Ballast: T8: Pre-Heat Rapid Start with a ballast factor .87. All ballasts have

a Total Harmonic Distortion (THD) <10% and are available in120 or277 volt.
Dimming is available with a dimming range of 15% to 100% in 120v only. T5:
All ballasts have "end of life" circuit protection, a Total Harmonic Distortion
(THD) <10%, a ballast factor of .87 and are available in 120 or 277 volt. Factory
installed ballast disconnect allows the ballast to be disconnected from and
reconnected to incoming power under load without turning the entire circuit off.

6. Suspension: (not shown) The Multi-Lyte Channel and the Fixture are suspended

from the ceilingby stem or aircraft cable. The stem set is finished to match the
housing and contains a 1/2" (1.27cm) diameter steel stem which can be cut
to length at the job and a 4-1/2" (11.43cm) diameter canopy. Attached to the
stem at the ceiling end is a self-aligning swivel that provides adjustment up to
38°. The cable set contains a 1/16" (0.16cm) diameter stainless steel aircraft
cable and a 1-1/2" (3.81cm) diameter or4-1/2" (11.43cm) diametercanopy. The
cable is adjustable from 6" (15.24cm) to 36" (91.44cm) with a Grip-Lock cable
adjustment. Fixtures are mounted directlyto the ceiling with independent stems
or aircraft cables and cord.

7. Module Mounting: Modules are mounted to the Multi-Lyte Channel by means

of slide clips. They are energized by insulation-displacement couplings to the
Channel's through-wiring system.

E

2

= 2-foot

nominal

4

= 4-foot

nominal

8. Fixture Mounting: (not shown) The individual Fixture mounting points are

= Electronic

D

= Dimming(120v

T8 0nly)

4

= 2-foot14W T5

5

= 4-foot28WT5

6

= 4-foot54WT8

7

= 2-foot17WT8

8

= 4-foot32WT8

1

= 120v

2

= 277v

located 30" (76.20cm) and 60" (152.40cm) centers. Referto the backfor more
information.

Performance

Efficiency: 83.6%
Distribution: 58% Indirect 42% Direct

Labels

UL, cULandIBEW.

Warranty

Multi-Lyte Complete system is covered by Lightolierthree-year limited warranty.
The electronic ballast is covered by ballast manufacturer's limited warranty.

Job Information

Job Name:
Cat. No.:

Lamp(s):
Notes:

1 Type:

Lightolier is a Philips group brand

631 Airport Road, Eall River, MA 02720 • [phone] • Eax [phone]
We reserve the right to change details of design, materials and finish.
www.lightolier.com © 2008 Philips Group • C1008

PHILIPS