Installation guide
7.
Connect
L1
to
the
black
wire
and
L2
to
the
red
wire
using
wire
nuts
and
fix
the
ground
wire
between
the
two
washers.
The
internal
control
panel
can
be
accessed
by
opening
the
grille
and
removing
the
metal
cover
attached
by
four
screws.
NOTE:
The
internal
control
panel
does
not
need
to
be
accessed
during
the
installation
process
unless
there
is
a
need
for
service.
8.
If
any
accessories
are
being
installed,
refer
to
the
individual
accessory
instructions
for
guidance
on
wire
routing
at
this
time.
Install
All
Power,
Interconnecting
Wiring,
Piping
and
Drain
Hose
to
Indoor
Unit
.
1.
Run
control
wiring
from
the
outdoor
unit
through
the
access
hole
in
the
wall
and
make
sure
you
have
enough
wire
to
reach
the
control
box
of
the
unit
once
hung
on
the
mounting
plate.
bo
.
Complete
refrigerant
piping
connections.
a.
cut the
extreme
end
of
the
tubes
and
remove
any
copper
shavings
with
a
de-burring
blade.
b.
Remove
the
flare
nut
from
the
“Flare”
connection
body
of
the
indoor
unit
and
insert
them
into
the
pipes.
c.
make
the
flares
to
the
pipe
ends
with
the
proper
flaring
too.
The
flare
end
must
not
have
any burrs
or
imperfec-
tions.
the
flared
walls
must
be
uniform.
See
Fig.
26
and
Fig.
27.
A07L99
Fig.
26
-
Removing
Burrs
Vv
07200
Fig.
27
-
Flared
Walls
are
Equal
d.
Lubricate
the
end
of
the
pipe
and
thread
of
the
flare
connection
with
refrigerant
oil.
Tighten
by
hand
and
then
use
two
wrenches
(see Fig.
28)
to
tighten
all
con-
nections
fully
applying
the
tightening
torque
shown
in
Table
13.
@
0)
Adjustable
wrench
or
torque
wrench
@
Outdoor
end
@
@
Indoor
end
A07201
Fig.
28
-
Tightening
Connections
Table
13
—
Tightening
Torque
TUBE
DIAMETER
(in.)
TORQUE
(ft.—Ib)
3/8
in.
31
5/8
in.
48
3/4
in.
74
@
Indoor
unit
piping
@
Connection
wiring
@®
Drain
hose
A08ae4
Fig.
29
-
Location
of
Piping,
Hose,
and
Wiring
3.
Connect
condensate
drain
piping
Observe
ail
local
sanitary
codes
when
installing
condensate
drains.
The
condensate
may
be
discharged
at
a
maximum
height
of
7-1/8
in.
(181
mm)
above
the
unit
as
long
as
the
ascending
tube
is
vertical
and
aligned
with
drainage
flange.
If
it
is
necessary
to
discharge
the
condensate
from a
level
above
7-1/8
in.
(181
mm),
install
an
auxiliary
water
dis-
charge
pump
and
a
float
valve.
A
float
valve
is
recommen-
ded
to
stop
the
compressor
if
there
is
a
fault
at
the
auxiliary
pump.
18