Haier HPU-18CH13 HPU-123C01 User Manual - Page 26

Diameter, Fastening, Torque, Liquid, 35mm1/4, 18N.m, 7mm1/2, 55N.m, insulation, material, Drain,

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Installation Manual of Room Air Conditioner 3. Piping connection Connecting method To bent a pipe, give the roundness as large as possible not to crash the pipe. When connecting pipe, hold the pipe center to center then screw nut on by hand, refer to Fig. Be careful not to let foreign matters, such as sands enter the pipe. Forced fastening without careful centering may damage the threads and cause a leakage of gas. Pipe Diameter (0 ) Fastening Torque Liquid Side 6.35mm(1/4") Gas Side 12.7mm(1/2") 18N.m 55N.m Piping connection of the indoor unit 1. Arrangement of piping and drainage pipe After opening inlet grill, you will see a control box as shown in the Fig. Remove the cover before working. Cut away, with a hammer or a saw, the lid for piping according to piping direction. Heat insulation material 0 O Drain hose 0 Piping Pi.e su••ortin. plate Indoor/outdoor According to the piping method, connect the piping on indoor unit with union of connection pipe. Arrange the piping as per the wall hole and bind drain hose connecting electric cable and piping together with polyethylene tape. Insert the bound piping connecting electric cable and drain hoes through wall hole to connect with outdoor unit. 2. Arrangement drain hose Drain hose shall be placed in under place. There should be a slope when arrange drain hose. Avoid up and down waves in drain hose. If humidity is high, drain pipe(especially in room and indoor unit) must be covered with installation material. 25

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Installation
Manual
of
Room
Air
Conditioner
3.
Piping
connection
Connecting
method
To
bent
a
pipe,
give
the
roundness
as
large
as
possible
not
to
crash
the
pipe.
When
connecting
pipe,
hold
the
pipe
center
to
center
then
screw
nut
on
by
hand,
refer
to
Fig.
Be
careful
not
to
let
foreign
matters,
such
as
sands
enter
the
pipe.
Forced
fastening
without
careful
centering
may
damage
the
threads
and
cause
a
leakage
of
gas.
Pipe
Diameter
(0
)
Fastening
Torque
Liquid
Side
6.35mm(1/4")
18N.m
Gas
Side
12.7mm(1/2")
55N.m
Piping
connection
of
the
indoor
unit
1.
Arrangement
of
piping
and
drainage
pipe
After
opening
inlet
grill,
you
will
see
a
control
box
as
shown
in
the
Fig.
Remove
the
cover
before
working.
Cut
away,
with
a
hammer
or
a
saw,
the
lid
for
piping
according
to
piping
direction.
Heat
insulation
material
Drain
hose
O
0
0
Piping
Pi
.e
su••ortin.
plate
Indoor/outdoor
According
to
the
piping
method,
connect
the
piping
on
indoor
unit
with
union
of
connection
pipe.
Arrange
the
piping
as
per
the
wall
hole
and
bind
drain
hose
connecting
electric
cable
and
piping
together
with
polyethylene
tape.
Insert
the
bound
piping
connecting
electric
cable
and
drain
hoes
through
wall
hole
to
connect
with
outdoor
unit.
2.
Arrangement
drain
hose
Drain
hose
shall
be
placed
in
under
place.
There
should
be
a
slope
when
arrange
drain
hose.
Avoid
up
and
down
waves
in
drain
hose.
If
humidity
is
high,
drain
pipe(especially
in
room
and
indoor
unit)
must
be
covered
with
installation
material.
25