86
Appendix D—HeatShift System
Ceiling
2-1/2” min.
4”
See clearances
to combustibles
next page
14” min.
Minimum length
of opening, front
and sides
L1 - 1500 = 40”
L2 - 1700 = 50”
L3 - 1800 = 64”
Combustible wall
construction
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See installation manual packed
with appliance for minimum
combustible cavity dimensions
Non-combustible
cement board
Min. 1” clearance
around pipes
2 x 4 on edge to support
plates as necessary -
maintain 1” clearance to pipes
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to form plenum
above duct
termination plates
LDK 7 - Duct
Termination Plates (2)
for horizontal
installation ONLY!
Continuous ceiling
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Note: Staining or streaking may
occur on light colored ceilings due
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Maximizing the opening size will
help reduce any staining or
streaking.
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Vertical vent can pass between
duct termination plates
Wall Valance Discharge Opening using LDK7—Duct Termination Plates