DC Inverter Monoblock Duct Type Air Conditioner Installation and Operation Manual
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drainage tube and tighten it with thread loop. Never use adhesive to connect the drainage hole and
the flexible drainage tube.
(6) When the laid drainage pipe is used for multiple units, the common pipe shall be about 100mm
lower than the drainage outlet of each set of unit. A pipe with thicker wall shall be used for such
purpose.
2.2.6 Pipe Preparation
Fig.11 Thermal Insulation of Drainage Pipeline
Cautions:
The joint of Drainage Pipeline must not have leakage.
2.2.7 Testing of Drainage System
(1) After the electrical installation is completed, carry out the testing of the drainage system.
(2) During the test, check if the water correctly flows through the pipelines. Carefully observe
the joints to ensure that there is no leakage. If the unit is to be installed in a new house, carry out
testing before decorating the ceiling.
2.2.8 Selection of Connecting Pipe
（
for 30k
）
The refrigerant is R410A
Table 1
Model
I
Size of Fitting Pipe
(Inch)
Ma. Pipe
Length (m)
Max.Height
Difference
between
Indoor Unit and
Outdoor Unit
(m)
Amount of
Additional
Refrigerant to
be Filled (For
Extra Length of
Pipe)
Liquid
Gas
VDVS-30A6A
3/8
5/8
30
15
36 g/m
EPE30-A1
EPE30-A1
