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INSTALLATION(joist mounting)(DV50L/DV70L/DV80L/DV90L/DV100L/DV110L)
Power cable
Ceiling joist
Ceiling material
Housing mounted directly to joist
2x4(or larger)
Discharge parallel to joist
I joist
Power cable
Ceiling material
Housing mounted directly to I joist
2x4(or larger)
Discharge parallel to joist
*Additional fr aming must be a 2x6(minimum height), at least 9-inches long.
INSTALLATION(joist mounting)
STEP.1:PLAN THE INSTALLATIONS
The unit operates most quietly and efficientlywhen located
where the shortest possible duct run and minimum number of
elbows are needed.(Fig.3)
Plan to supply the unit with proper line voltage and appropriate
power cable.
STEP.2:INSTALL THE HOUSING
NOTE
THE FOLLOWING INSTALLATION ILLUSTRATIONS SHOW 2X6 JOISTS. IF YOU HAVE A
TRUSS OR "I"- JOIST INSTALLATION, MOUNT THE VENTILATOR TO THE ADDITIONAL
FRAMING IN THE SAME MANNER.
New Construction (attaching to joist)
1. Choose the location for your fan in the ceiling. For best possible performance, use the
shortest possible duct run and a minimum number of elbows.
2. Position mounting brackets against joist so that bottom edge of housing will be flush
with finished ceiling.
Additional positioning feature for 1/2", 3/4", 1", &1-1/4" thick ceiling material:
Holes in corners of housing are labeled with various ceiling material
thicknesses. Positionhousing so bottom edge of joist is visible through
a matched set of holes. The housing is now in the proper position for
that ceiling material thickness.(Fig.4)
Suspension
bracket
Housing
Grille
Suspension
bracket
Housing
Grille
Page7
Suspension
bracket
Power cable
Ceiling joist
Housing
Ceiling material
Housing mounted to additional framing
2x4(or larger)
Discharge 90 to joist
Suspension
I joist
bracket
Power cable
Housing
Ceiling material
Housing mounted to I joist
Require additional framing
Discharge 90 to joist
4 Round duct
Grille
Additional framing
4 Round duct
Grille
Additional framing
Fig.3
Fig.4
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