528195-YTG-I-0513
Johnson Controls Unitary Products
51
XP078-150 Roof Curb Cut Away
3/4” X 1-1/4” WIDE GASKETING FOR CURB
FRAME AND ALL DUCT SUPPORT SURFACES
2“
UNIT BASE
WOOD NAILER
8“ MIN. ABOVE FINISHED ROOF
CURB FRAME
INSULATION
UNIT BASE RAILS
COUNTERFLASHING
CAN’T STRIP
INSULATION AND ROOFING MATERIAL
ROOF DECK AND SUPPORT STRUCTURE
14”
3.56”
3.75”
XP078-150 Economizer Assembly
35 3/4
Outside Air
Intake Hood
26
25 3/4
30 1/4
26
39 1/2
or
47 1/2
Relief Hood for
Power Exhaust or
Barometric Relief
88 1/4
58 1/4