York DJ 240 Manuel D’Utilisation
261660-YTG-D-0708
Johnson Controls Unitary Products
35
1.
The 2” space between the ducts allows for “jumping” an
existing roof joist.
existing roof joist.
2.
The 58-1/2” overall dimension of the ducts allows duct-
work penetration between roof joists that are spaced on
72” centers.
work penetration between roof joists that are spaced on
72” centers.
Note: Ducts can be installed into the curb from the roof. All
electrical and gas line connections can be made inside the
curb.
electrical and gas line connections can be made inside the
curb.
FIGURE 10 - UNIT ROOF CURB DIMENSIONS
25-1/4"
FIGURE 11 - ROOF CURB DUCT OPENINGS
DIMENSION
FIGURE 12 - CUT AWAY OF ROOF CURB