SC
85
8
. HOW TO IN
S
TALL THE
S
Y
S
TEM CONTROLLER
(OPTIONAL PART)
Fi
g
.
8
-1
S
y
s
tem
co
n
troller
S
witch box
(with cover)
M4
×
1-
3
/16 i
n
.
S
crew
s
(2)
Flat-top
S
crew
Back ca
s
e
Gap
Coi
n
Gap
Fi
g
.
8
-2
Do not
s
u
pp
ly
p
ower to the
unit or try to o
p
erate it until
the tu
b
in
g
and wirin
g
to the
outdoor unit are com
p
leted.
8
-1.
S
y
s
tem Controller In
s
tallation
Do not twi
s
t the control
wirin
g
with the
p
ower
wirin
g
or run it in the
s
ame metal conduit,
b
ecau
s
e thi
s
may cau
s
e
malfunction.
In
s
tall the
s
y
s
tem con-
troller away from
s
ource
s
of electrical noi
s
e.
In
s
tall a noi
s
e filter or
take other a
pp
ro
p
riate
action if electrical noi
s
e
affect
s
the
p
ower
s
u
pp
ly
circuit of the unit.
(1)
Remove the flat-top
s
crew o
n
the bottom of the
back ca
s
e. Whe
n
yo
u
ope
n
u
p the decorative
cover, yo
u
will
s
ee two
g
ap
s
un
der the
s
y
s
tem
co
n
troller. I
ns
ert a coi
n
i
n
to the
s
e
g
ap
s
a
n
d
remove the back ca
s
e. (Fi
gs
.
8
-1,
8
-2)
(2)
Co
nn
ect the wire
s
to termi
n
al ba
s
e of the
s
y
s
tem
co
n
troller (
s
ee
n
ext pa
g
e).
(
3
)
Attach the back ca
s
e with the 2 M4
s
crew
s
provided.
(4)
To fi
n
i
s
h, fit the back tab
s
of the back ca
s
e i
n
to
the
s
y
s
tem co
n
troller a
n
d mo
un
t it
us
i
ng
the flat-
top
s
crew.
CAUTION
07-115 SSHP_II 5/7/07 4:00 PM Page 85