21
2
.
3
.
Insulation
material selection for
drainage pipe
The
insulation
material
should
be
flame
retardant material
,
the flame
retardant of the
material should be
selected
according
to
the
local
law
.
Thickness of insulation
layer is
usually above
10mm
.
Use
specific
glue
to
paste
the
seam
of
insulation
material
,
and
then
bind
with
adhesive
tape
.
The
width
of tape
shall
not
be
less
than
5cm
.
Make
sure
it is
firm and
avoid
dew
.
2
.
4
.
Installation
and
highlights
of insulation
construction
The
single
pipe
should
be
insulated
before connecting
to
another pipe
,
the
joint part
should
be
insulated
after the drainage
test
.
There
should
be
no
insulation
gap
between
the
insulation
material
.
3
.
Engineering
of electrical
wiring
3
.
1 Highlights
of electrical wiring installation
All
field
wiring
construction
should
be
finished
by qualified electrician
.
Air
conditioning
equipment should
be
grounded
according
to
the
local electrical
regulations
.
Current
leakage
protection
switch
should
be
installed
.
Do
not
connect
the
power
wire
to
the
terminal of signal wire
.
When
power wire is
parallel
with
signal
wire
,
put wires
to
their
own
wire
tube
and
remain
at
least 300mm
gap
.
According
to
table
in
indoor
part named
”
the
specification
of
the
power
”
to
choose
the
wiring
,
make
sure
the
selected
wiring
not
small
than
the
date
showing
in
the
table
.
Select
different colors
for
different wire according
to relevant
regulations
.
Do
not
use
metal wire tube
at the
place with acid or alkali corrosion
,
adopt
plastic
wire tube
to
replace
it
.
There
must be not wire connect
joint in
the wire
tube If joint
is a must
,
set a connection
box
at the place
.
The
wiring
with
different
voltage
should
not
be
in
one wire
tube
.
Ensure
that the color of
the
wires
of
outdoor and the terminal
No
.
are
same
as those of indoor
unit
respectively
.
Model (
)
cooling only type
18K
24K
30K
36K
42K
48K
60K
Line
Gauge
Indoor
Unit
Power Line
Line
Quantity
3
3
3
3
3
3
3
Line Diameter(AWG)
16 16 16 16 16 16 16
Outdoor
Unit
Power
Line
3
3
3
3
3
3
3
14 14 12 12 10 10 10
Outdoor-
Indoor
Singal Line
2
2
2
2
2
2
2
18 18 18 18 18 18 18
Thermostat
Singal
Line
4
4
4
4
4
4
4
18 18 18 18 18 18 18
Line
Quantity
Line Diameter(AWG)
Line
Quantity
Line Diameter(AWG)
Line
Quantity
Line Diameter(AWG)
3
.
2
ELECTRIC WIRING GAUGE
