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37
English
Installation Procedure
Step 4 Drilling a hole through a wall
1 Determine the position of a 60 to 65 mm hole considering
possible directions of the pipe bundle and minimum
distances between the hole and installation plate.
2 Drill the hole that slopes slightly downward (15°).
Indoor unit
Outdoor
Ø 60~65 mm
Step 5 Taping the pipes, cables, and
drain hose
1 Wrap the refrigerant pipes with the provided insulation.
This wrapping minimises condensation.
Insulation
Refrigerant pipes
NOTE
Select the insulation of the refrigerant pipe.
• When the accessory parts box (FPC******) is used, be sure
to use the insulator in the accessory parts box. However if
installing in a high humidity condition, use thicker insulator
by referring to the table below.
If installing in an unfavourable conditions, use thicker one.
• Insulate the gas side and liquid side pipe, noting the
insulation thickness that must differ according to the pipe
size.
• Standard: Less than an indoor temperature of 30°C,
with humidity at 85%. If installing in a high humidity
environment, use one grade thicker insulator by referring to
the table below. If installing in an unfavourable environment,
use thicker one.
• The heat-resistance temperature of the insulator must be
more than 120°C.
Pipe
Pipe size
(mm)
Insu
la
tion type
(heating/cooling)
R
ema
rks
Standard
(Less than
30°C,
85%)
High
humidity
(Over 30°C,
85%)
EPDM, NBR (mm)
Liquid
pipe
Ø6.35 to
Ø9.52
9t 9t
The internal
temperature
is higher than
120°C.
Ø12.7 to
Ø19.05
13t 13t
Gas
pipe
Ø6.35 13t 19t
Ø9.52
19t 25t
Ø12.70
Ø15.88
Ø19.05
• When installing insulation in the places and conditions
below, use the same insulation that is used for high
humidity conditions.
<Geological condition>
High humidity locations such as shorelines, hot springs, lake or
riversides, and ridges (when part of the building is covered by earth
and sand)
<Operation purpose condition>
Restaurant ceiling, sauna, swimming pool etc.
<Building construction condition>
Ceilings frequently exposed to moisture and cooling are not covered.
For example, pipes installed at a corridor of a dormitory and studio or
near an exit that opens and closes frequently.
Places (where the pipes are installed) that are highly humid due to a
lack of ventilation.
2 Wind the refrigerant pipes, power cable, communication
cable, and drain hose with vinyl tape to make a pipe
bundle.
Pipe insulator
Vinyl tape
Drain hose
Indoor/outdoor unit
communication
ca
b
le
DB68-11731A-02_IBIM_PAC Mirage Cooling Only_TC_EN_.indd 37DB68-11731A-02_IBIM_PAC Mirage Cooling Only_TC_EN_.indd 37 2023-07-19 오전 9:52:162023-07-19 오전 9:52:16
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