S
ERIES
2000 I
NSTALLATION
, O
PERATION
AND
S
ERVICE
M
ANUAL
16
7.2 Air Handler Mountin
g
to Roof Curb
After the c
u
rb has been installed, the air handler may be placed on the c
u
rb.
See Page 16, Figure 6
. After the
air handler is in place, the installer m
u
st fasten the air handler to the c
u
rb. This is accomplished by drilling
holes do
w
n thro
u
gh the floor of the air handler and into the c
u
rb. At least three #12 sheet metal scre
w
s
(s
u
pplied by others) eq
u
ally spaced on each side m
u
st be
u
sed to attach the air handler to the c
u
rb. After the
c
u
rb has been installed, the air handler may be placed on the c
u
rb. The installer is responsible for tying the
air handler to the c
u
rb per all applicable codes.
FIGURE 6: Curb Mountin
g
There m
u
st be a 1/8" (.3 cm) x 2" (5.1 cm) neoprene closed cell, adhesi
v
e-back gasket (s
u
pplied by others)
bet
w
een the top of the c
u
rb and the base s
u
rface of the air handler to pre
v
ent moist
u
re from leaking into the
b
u
ilding from either dri
v
ing rains or melting sno
w
.
Air Handler
Roof Curb
Fastening Detail