Mitsubishi Electric PLFY-P20VFM-E1 Installationshandbuch Seite 5

F
B
Liquid pipe
Pipe size
(mm)
A
E
6 196 196
D
B
C
Gas pipe
Tightening Tightening
Pipe size
torque torque
(mm)
(N·m) (N·m)
49 - 61
49 - 61
34 - 42
34 - 42
B
F
C
D
F
E
A
Refrigerant pipe and insulating material
(Procure locally)
B
Pipe cover (large) (Accessory)
C
Pipe cover (small) (Accessory)
D
Refrigerant pipe (gas)
E
Refrigerant pipe (liquid)
F
Band (Accessory)
G
Cross-sectional view of connection
H
Refrigerant pipe
I
Insulating material
J
Squeeze
A
A
Drain pipe
B
Ceiling
C
Grille
D
Refrigerant pipe (liquid)
E
Refrigerant pipe (gas)
F
Main unit
thickness of 12 mm or more).
flare nut.
carefully.
Warning:
ing the compressor.
A
Flare cutting dimensions
Copper pipe O.D.
(mm)
ø6.35
ø9.52
ø12.7
Flare nut O.D.
Liquid Gas
pipe pipe
(mm) (mm)
17 26
17 26
22 29
22 29
C
Apply refrigerating machine oil over the entire flare seat surface.
Heat insulation for refrigerant pipes:
1
Wrap the enclosed large-sized pipe cover around the gas pipe, making sure that
the end of the pipe cover touches the side of the unit.
2
Wrap the enclosed small-sized pipe cover around the liquid pipe, making sure that
the end of the pipe cover touches the side of the unit.
3
Secure both ends of each pipe cover with the enclosed bands. (Attach the bands
Make sure that the slit in the pipe cover is facing upward when it is installed.
connections for gas leakage with nitrogen gas. (Check that there is no refrigerant
leakage from the refrigerant piping to the indoor unit.)
Flare dimensions
øA dimensions (mm)
16.2 - 16.6
19.3 - 19.7
22.9 - 23.3
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