CaptiveAire HVLS - Fan Located at or above HVAC Discharge or Intake; Fan Located Near Lighting Sources

9
Fan Located At or Above HVAC Discharge or Intake
A fan that is mounted at or above the discharge/intake diffuser must be located greater or equal to the
fan’s diameter. For down discharge, the distance must be greater or equal to 1/2 the fan’s diameter.
Figure 4 - Fan Located At or Above Discharge or Intake Details
Fan Located Near Lighting Sources
There are various lighting variables that may cause a strobing effect. Figure 5 illustrates lighting scenarios
to consider when mounting an HVLS fan.
Lights mounted above an HVLS fan can create a strobing effect if the beam (A) passes through the blades.
To minimize strobing effects, increase the vertical distance (B) between the light source and fan blades.
Increasing the horizontal distance (C) between the blade tips and light source will also help to alleviate
strobing effects.
Figure 5 - Clearances to Lighting Sources
D
STANDARD MOUNT
(AVA ILABLE IN 12",
24" OR 48" LENGTHS)
A
DISCHARGE/
INTAKE DIFFUSER
C
B
DISTANCE MUST BE GREATER OR
EQUAL TO THE FAN'S DIAMETER
E
WIRES
GUY
A. Distance from top fan blade to bottom joist = Minimum 24”
B. Distance from extension mount to top of fan = 21-1/2”
C. Distance from extension mount to bottom of fan = 25”
D. Guy wire angle distance = 45° to 60°
E. Distance from ceiling to fan = Minimum 60”
B
C
Light
A
Light