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Installation Procedure
English
Installation Procedure
5 Be sure to plug the rest of drain holes not connected
with drain plugs using drain caps.
AC052/071TXADKC
Drain cap (4EA)
Drain plug (1EA)
AC100/120/140/160TXAD*C
Drain cap (3EA)
Drain plug (1EA)
• When installing the product, make sure that the
rack is not placed under the drain hole.
• If the product is installed in a region of heavy snow,
allow enough separation distance between the
product and the ground.
Step 12 Insulating the refrigerant pipes
Once you have checked that there are no leaks in the
system, you can insulate the piping and hose.
1 To avoid condensation problems, place an insulator
around each refrigerant pipe.
No gap
NBR
NOTE
• When insulate the pipe, be sure to overlap the
insulation.
• The insulation has to be produced in full compliance
of European regulation reg. EEC / EU 2037/ 2000
that requires the use of sheaths insulation form
without using CFC and HCFC gases for health and the
environment.
CAUTION
• When insulating the pipe, use non-slit insulator.
2 Select the insulation of the refrigerant pipe.
• Insulate the gas side and liquid side pipe referring
to the thickness according to the pipe size.
• Less than Indoor temperature of 30°C and
humidity of 85% is the standard condition. If
installing in a high humidity condition, use one
grade thicker insulator by referring to the table
below. If installing in an unfavourable conditions,
use thicker one.
• Insulator’s heat-resistance temperature should be
more than 120°C.
Pipe
Pipe size
(mm)
Insulation Type
(Heating/Cooling)
Remarks
Standard
[Less than
30°C, 85%]
High
humidity
[over 30°C,
85%]
EPDM, NBR (mm)
Liquid
pipe
Ø6.35 ~ Ø9.52 9 t 9 t
Internal
temperature
is higher than
120°C
Ø12.7 ~ Ø19.05
13 t 13 t
Gas pipe
Ø6.35 13 t 19 t
Ø9.52 ~ Ø19.05
19 t 25 t
• When installing insulation in places and conditions
below, use the same insulation that is used for high
humidity conditions.
<Geological condition>
– High humidity places such as shoreline, hot
spring, near lake or river, and ridge (when the
part of the building is covered by earth and sand.)
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