Service manual

VARI❋LITE® - VL3500™ SPOT LUMINAIRE SERVICE MANUAL
18 02.9678.0018 A
Lamp Power Cut-Off Switch
It should be noted that the lower fan duct assembly is equipped with a lamp power cut-off switch. If the
hinged duct is raised during operation, the relay will automatically disengage and the lamp will douse.
Once the duct is closed, lamp power will be restored.
The fan duct assembly is located on the bottom half of the luminaire head as shown below.
Figure 2-3: Fan Duct Assembly View
Top Head Cover *
Bottom Head Cover *
1/4-Turn Screw
Hinged Duct
* Head covers are attached by tethers.
Bottom of Head View
Disengages lamp
power when raised.
Assembly