Tundra II Furnace Installation and Operation Manual
25
5.4 Configuration and restrictions of hot air distribution system
5.4.1 Start-off plenum
- The plenum can be adjusted from 64" (163 cm) to 88" (224 cm) depending on ceiling
height. See
Section 5.1:
Hot air distribution plenum height according to ceiling
height.
- The start-off plenum must have a minimum height of 24" (610 mm) from the top of the
furnace
(X)
. In this case, use only the section of the plenum (the one with the 10
openings).
- The minimum clearance
(C)
between the top of the plenum and the ceiling is
5" (127 mm).
- The ducts minimum clearance
(D)
to combustible materials is 1" (25 mm).
- The ducts may pass through a combustible wall maintaining a clearance of 1" (25 mm)
around ducts.
Summary of Contents for DF02001
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