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Appendix D - HeatShift
Wall Valance Discharge Opening using LDK7—Duct Termination Plates
Ceiling
Note: Staining or streaking may occur
on light colored ceilings due to any
dust, etc. in air flow. Maximizing the
opening size will help reduce any
staining or streaking.
Combustible wall
construction
See installation manual packed
with appliance for minimum
combustible cavity dimensions
Minimum length
of opening, front
and sides
LX2 - 2200 = 50"
2-1/2" min.
Top of stand-offs
Non-combustible
cement board
Installation
®
Continuous ceiling
required within cavity
Plate stand-off
See clearances
to combustibles
next page
14" min.
4"
Wall finish required
to form plenum
above duct
termination plates
2 x 4 on edge to support
plates as necessary -
maintain 1" clearance to pipes
Min. 1" clearance
around pipes
Vertical vent can pass between
duct termination plates
81
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