Airwell YEVFD Série Manuel D'installation page 16

Installation instruction
Pipe specification:
1. Pipe "a" diameter (between indoor and branch pipe) (depends on indoor pipe)
Please refer to the indoor air conditioner manual.
2. Pipe "b" diameter (between branch pipes)
Total indoor capacity after the branch pipe (x100W)
112≤X< 234
3. Pipe "c" diameter ( outdoor pipe diameter)
Outdoor capacity
Gas pipe (mm)
(100W)
126
140
155
Note:
When the distance from outdoor to the longest indoor is
over 30m, the main pipe should be the enlarged diameter.
Piping connection method:
Pipes can be connected in four directions
As shown in the figure, the piping can be connected from four directions. Through the front / rear hole piping piping on
the cover hole or crack directly across the floor.
From the outdoor machine unloading piping cover with a screwdriver and hammer knock off holes along the guide wire
break. Then, trim the edges of the holes, and mounted on the insulating sleeve (site) to protect the piping and wiring.
X<112
Liquid pipe (mm)
Ø15.88 Ø9.52
Ø15.88 Ø9.52
Ø15.88 Ø9.52
Gas pipe (mm) Liquid pipe (mm)
Ø15.88 Ø9.52
Ø19.05 Ø9.52
Copper pipe selection:
hardness
Outer diameter (mm) Ø6.35
Min. thickness (mm)
hardness
Outer diameter (mm) Ø19.05 Ø22.22 Ø25.24 Ø28.58
Min. thickness (mm)
Note: If the copper pipe with outer diameter 19.05 is coil
pipe, the thickness should be over 1.1.
charging pipes
A, B, C, D:Copper pipe hole
E:Power cord hole (with its own cable sheath)
F:Communication line hole
8
a
a
softness
Ø9.52 Ø12.7 Ø15.88
0.8 0.8
Half-hardness
1.0 1.1
liquid pipes
Enlarged diagram
F
E
B
A
D
b c
a
b
a
1.0 1.0
1.2 1.4
gas pipes
C