Owner`s manual

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I
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7. INSTALL THE
CONNECTING PIPE
Check whether
the height drop between the indoor
unit and
outdoor unit, the length
of
refrigerant
pipe,
and the number of
the bends meet the following requirements:
(The
number
of the bends less than 15.)
Table 7-1
7.1
The Procedure
of Connecting
Pipes
CAUTION
All field
piping
must be
provided
by a licensed
refrigeration
technician
and must
comply
with the
relevant local
and
national codes.
Do not let air, dust, or other
impurities
fall in the
pipe
system during the time
of installation.
The connecting
pipe
should not be installed until the
indoor and outdoor units
have
been fixed already.
Keep the connecting
pipe
dry and do not let moisture in
during installation.
Execute heat insulation work completely on both sides
of the
gas
piping
and the liquid
piping.
Otherwise, this
can sometimes
result
in
water leakage.
Drill a hole in the wall
(suitable
just
for the size of the wall
conduit), then set on the fittings such as the wall conduit and
its
cover.
Bind the connecting
pipe
and the cables together tightly with
binding tapes.
Pass the bound connecting
pipe
through the wall conduct
from outside. Be careful of the
pipe
allocation to do
on
damage
to the
tubing.
Connect the
pipes.
Refer to "How to Connect the
pipes"
for
details.
Expel the air with a vacuum
pump.
Refer to "How to expel the
air with a vacuum
pump"
for details.
open the stop values of the outdoor
unit
to make the
refrigerant
pipe
connecting the indoor
unit with the outdoor
unit in fluent flow.
Check
the leakage.
Check
all the
joints
with the leak detector
or soap water.
Cover the
joints
of the connecting
pipe
with the
soundproof /
insulating sheath
(fittings),
and bind it well with the
tapes to
prevent
leakage.
Fig.6-16
Table 6-5
r
Suspended unit
1. Suspend the unit as the drawing indicates.
Sling Bolt
Suspension Bracket
Table 6-4
Drainage
(Wide
1O0xDepth 150)
Mortar Hole
(O10OxDepth
150)
2. Ensure that ceiling can resist the Outdoor
unit weight
indicated
installation manual
12