DC Inverter Cassette Type Air Conditioner Installation and Operation Manual
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5. Backout the gasket anchor board used to prevent gasket break off and tighten the nut on it.
6. Backout the install cardboard.
Note:Please do tighten the nuts and bolts to prevent air conditioner break off.
8.2.6 Connect the refrigerant pipe
Selection of Connecting Pipe.
The refrigerant is R410A, GWP=2020 ODP=0
Table 3 refrigerant pipe selecting
Item
Model
Size of Fitting
Pipe (Inch)
Max
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)
Indoor Unit
Drainage Pipe
(Diameter
× Wall
Thickness)
(mm)
Gas
Pipe
Liquid
Pipe
20 15 30g/m
Φ32×3
1/2 1/4
ASC-18AIA, ASGE-18AIA WK
5/8 3/8
30 15
60g/m
ASC-24AIA, ASGE-24AIA WK
ASC-36AIA, ASGE-36AIA WK
ASC-36AIA, ASGE-36AIA-3 WK
50 30
ASC-42AIA, ASGE-42AIA-3 WK
Note:
1. The standard pipe length is 5m, When the length (L) of the connecting pipe is less than or equals 7m,
there is no need to add refrigerant. If the connecting pipe is longer than 7m, it is required to add refrigerant, in
the above table, the amounts of refrigerant to be added for the models are listed for each additional meter of
pipe length.
2. The pipe wall thickness shall be 0.5-1.0mm and the pipe wall shall be able to withstand the pressure of
6.0MPa.
3. The longer the connecting pipe, the lower the cooling effect and the heating effect.
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