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English
Installation Procedure
Calculating the quantity of refrigerant to add
The quantity of additional refrigerant is variable according
to the installation situation. Thus, make sure the outdoor
unit situation before adding refrigerant. This operation
ʀɇͱцɵʪΧʪθ˙ͱθʪʒɵцɇαЇɇѣʪʒθʪ˙θ˝ʪθɇϩͱ
specialist.
Single installation outdoor unit
Model
Interconnection pipe length (m)
0~30 30~40 40~50 50~60 60~70 70~75
AC052TXADKC
+15g/m
over 5m
AC071TXADKC +10g/m over 5m
AC100TXAD*C +50g/m over 30m
AC120TXAD*C +50g/m over 30m
AC140TXAD*C +50g/m over 30m
AC160TXAD*C +50g/m over 30m
Step 10 Performing the gas leak test
LEAK TEST WITH NITROGEN (before opening valves)
In order to detect basic refrigerant leaks, before recreating the
vacuum and recirculating the R-410A, it is the responsibility
of the installer to pressurize the whole system with nitrogen
(using a cylinder with pressure reducer) at a pressure above
0.2MPa, less than 4MPa (gauge).
LEAK TEST WITH R-410A (after opening valves)
Before opening valves, discharge all the nitrogen into the
system and create vacuum. After opening valves check
leaks using a leak detector for refrigerant R-410A.
Once you have completed all the connections, check for
ΧͱϑϑɵʪʪɇϑЇϑ˝ʪɇʒʪϩʪʀϩͱθϑΧʪʀѣʀɇцʒʪϑ˝ʪʒ˙ͱθ
HFC refrigerants.
• AC052/071TXADKC
B (liquid)
A(Gas)
• AC100/120/140/160TXAD*C
A (Gas)
B (liquid)
• The designs and shape are subject to change
according to the model.
Step 11 Connecting the drain hose to
the outdoor unit
1 Make space more than 80 mm between the bottom of
the outdoor unit and the ground for installation of the
ʒθɇ˵ͱϑʪࡥɇϑϑ˵ͱиѣ˝Їθʪ
2 Insert the drain plug into the hole on the underside of
the outdoor unit.
3 Connect the drain hose to the drain plug.
4 Ensure that the drained water runs off correctly and safely.
80 mm 13 mm
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