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1/22 Rev. F 171375
13
4. Set the Refrigeration System over the
opening in the curb. Remove Diffuser
Panel from the ceiling inside the
walk-in to gain access to four latches
located along the inner perimeter of the
cowl. Refer to the Latch and Diffuser
Installation Instructions found on pages
8-9. Use the Lock Extensions supplied
with the curb to bridge the distance
between the latches and strikes. Seal
the latched seam as described in the
instructions. When reinstalling the
Diffuser Panel, make sure that the
ceiling section divider located on the
panel seals against the black gasket.
Some adjustment may be required
by simply bending the ceiling section
divider slightly forward or backward.
This will prevent any short cycling of
discharge and return air.
Before proceeding to step 5, pull
membrane straight and smooth before
installing the trim.
Note: Seal gasket at top of curb with silicone.
. Fold all four corners of the membrane roofing material over the walk-in
corners as shown in Figure 4.
6. Attach the trim and door hood (if your walk-in is equipped with them)
by using the provided pan head sheet metal screws. Ensure the trim
and membrane roof material cover the joint between the ceiling and
wall panels. Refer to figure 5. Note: The trim may have to be cut to fit.
7. Trim off all excess membrane roofing
material from under the trim with a utility knife.
Do not allow the knife to cut the metal panel,
as this will damage the coating and cause rust.
In outdoor installations, the condensate
line should be plumbed to the nearest drain
and a P-trap installed near the end. Check
local building codes. Outside drain lines must
also be wrapped with a suitable heater wire
and insulated if they are ever subjected to
below freezing temperatures.
Fold Membrane
Capsule Pak™
Membrane
Roofing
Opening
Walk-In
Ceiling Panel
Membrane Roof
Material
Trim by Nor-Lake/Master-Bilt
3"
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