Mitsubishi Electric Mr.SLIM PLA-A EA7 Série Manuel D'installation page 5

45°± 2°
A Flare cutting dimensions
Copper pipe O.D. Flare dimensions
[A dimensions (mm, inch)
(mm, inch)
[
[
[
[
E
F
B (mm, inch)
Copper pipe O.D.
Flare tool for R410A
(mm, inch)
Clutch type
[
[
[
[
B
E Die
F Copper pipe
to connect the refrigerant pipes. Use refrigerant pipes with the thicknesses
and do not contain any harmful contaminants such as sulfuric compounds,
Warning:
When installing or relocating, or servicing the air conditioner, use only the
any other refrigerant and do not allow air to remain in the lines.
mechanical failure or system malfunction or unit breakdown. In the worst case,
this could lead to a serious impediment to securing product safety.
with commercially available insulation materials (heat-resistant to 100 °C, 212 °F
carefully.
connections for gas leakage with nitrogen gas. (Check that there is no refrigerant
leakage from the refrigerant piping to the indoor unit.)
of pipe re-fabricated.
B Flare nut tightening torque
Copper pipe O.D. Flare nut O.D.
(mm, inch) (mm, inch)
C
D
A12, A18
ø6.35
Liquid side
–
[
Gas side
Warning:
1. Loosen the nut until you hear a hissing noise.
2. Do not remove the nut until the gas has been completely released (i.e.,
hissing noise stops).
nut.
When installing the unit, securely connect the refrigerant pipes before start-
ing the compressor.
Tightening torque
(N·m, ft·lbs)
A24, A30, A36, A42
–
ø9.52
[