Greenheck LSF (458066) - Manual (Page 5)

5 Model LSF Assembly
®
Step 1
Locate and identify parts as listed on Parts List
and Hardware Package and Fastener Details
List on pages 2 and 3. See exploded view for
assistance in identifying parts.
Step 2
Place duct adapter panels upside down so that
the screws can be inserted into the predrilled
holes in the flanges. Fasten the panels together
as shown using the #12 x 5/8 inch stainless sheet
metal screws.
Step 3
Install the neoprene grommet in wiring hole.
Step 4
Flip over the duct adapter panels and apply 3/4 x
3/4 inch gray adhesive-backed foam tape to top
of duct adapter around the edge of the opening
at the proper location; noting the size of the unit.
(The roll of foam tape will be attached to the
blower assembly).
Sizes 24, 27, 30 – flush with edge, all around
Size 33 – flush with edge on long sides, 3/4 inch
away from edge on short sides
Size 36 – flush with edge on long sides, 1-1/4 inch
away on short sides
Step 5
Mount assembled duct adapter onto preexisting
roof curb. Align the adapter squarely on the curb
and nail through the prepunched mounting holes
(nails not provided).
Step 6
Place and align the blower assembly on the duct
adapter—being sure to place the motor near the
wiring hole in the duct adapter. NOTE: Blower
frame will extend 3/4 inch over each end of the
curb. Make sure the frame is centered on the curb.
Step 7
Using the 1/4 inch x 1-1/2 inch lag bolts, fasten
the blower assembly to the curb aligning the
prepunched holes in the blower assembly and
duct adapter.
Step 8
Locate the two (2) wood shipping blocks between
blower assembly frame and isolation base.
Remove and discard the hardware and the blocks.
Step 9
To begin installation of the base panels, remove
the lifting lugs. Save the lifting lugs and mounting
hardware. They will be reused in Step 10.