ACC-SVN44D-EN
7
Installation
Note:
On (T/YSC072E-120E, T/YHC048-120E, WSC060E(3/4/W), and WSC072-120E) downflow
units only, install return air blockoff. See
.
To install the economizer, lift into position by fitting the upper left hand corner around the channel
in the cabinet post. Then pivot the economizer into the opening in the cabinet.
Once the economizer is in place, lift the economizer and panel assembly to align the upper two
screw holes. Secure the top by inserting 2 screws, top left 1 then top right 2 screws.
Pull out on the bottom of the economizer and secure bottom left 3 screws.
Remove the filter access panel. Position the adapter backing plate inside the filter section. The
adapter backing plate will slip over the 3 screws that were loosened in
. Align the screw
engagement hole in the adapter backing plate, with the screw clearance hole in panel and secure
lower right side of economizer with screw 4.
Install the bottom blockoff and secure with 3 screws.
Figure 5.
Figure 6.
Note: I
f
Power Exh
a
ust
or B
a
rometr
ic
Rel
i
e
f
acc
essory k
i
ts
a
re
i
nst
a
lled
a
long w
i
th
a
n E
c
onom
i
zer,
do not
i
nst
a
ll du
c
t blo
c
ko
ff
pl
a
te
Note: I
f
Power Exh
a
ust
or B
a
rometr
ic
Rel
i
e
f
acc
essory k
i
ts
a
re
i
nst
a
lled
a
long w
i
th
a
n E
c
onom
i
zer,
do not
i
nst
a
ll du
c
t blo
c
ko
ff
pl
a
te
