S p e c t r a L i g h t Q C
11
Overhead Luminaire Installation
The following describes a single and multiple overhead luminaire installation.
NOTE:
Luminaires do not ship with attenuators. It is recommended attenuators are removed from overhead
luminaires to maximize daylight illuminance.
CAUTION: Do not install the overhead luminaire under a fire sprinkler system. Dissipated heat from the
luminaire may cause the sprinkler system to activate.
Install according to local electrical regulations. A dedicated branch circuit is recommended for each
luminaire. Daylight maximum operating wattage of 1150W.
1.
Carefully unpack and remove the diffuser from the shipping carton and set aside.
ATTENTION: Due to the weight of the luminaire, two people are required to perform the following steps.
2.
Carefully unpack and remove the overhead luminaire from its shipping container using the handles/brackets
located on the short sides.
CAUTION: Ensure adequate support in the next step. Each unit weighs 40.5 kg (89.3 lbs). Chains must be
rated for 81.6 kg (180 lbs) each.
3.
Attach karabiners and chains (not included) to each of the brackets and suspend the unit(s) at the appropriate
height and angle over the work area. Luminaires should be installed so that it is a minimum of 200 mm (8 in.)
from each other or wall surface. Refer to Figure 8.
Figure 8. Overhead Luminaire
4.
Carefully unpack and remove the diffuser from its carton.
CAUTION: In the following step, make sure the hinge pins are carefully placed behind the back fluorescent
lamp to avoid lamp breakage.
5.
Hold the diffuser with the smooth side facing up toward the luminaire.
6.
Insert the diffuser hinge pins at each back corner into the front slot of the receptacles located at the rear
corners of the luminaire housing. Refer to figure 9.
Handle/bracket
Handle/bracket
Karabiner with chain attached
Receptacle for
diffuser hinge pin
Properly positioned
diffuser hinge pin
Figure 9. Receptacle
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