15
Front out pipe
Back out pipe
Side out pipe
Undersurface out pipe
Fat pipe
1
2
gas
liqulid
Mod. 10 - 12 - 12T - 14 - 14T - 16 - 16T
Front out pipe
Side out pipe
Back out pipe
Undersurface out pipe
Fat pipe
fi g. 2
LIQUID
CONNECTION
GAS
CONNECTION
fi g. 3
Refrigerant pipe insulation
To ensure system efficiency and its correct operation it is necessary to use pre-insulated
cooling connection lines easily available on the market. Pay also attention to the
connection points according to what described.
Use thermal insulating tape to tie the hoses, from the area connecting the outdoor unit
cocks to the upper end of the hose in correspondence of the wall entry point. (side
figure) .
Pipe fittings tightening
Make sure that the connecting zone is free from dust and dirt.
• Make sure that the flare and connection are perfectly aligned.
• Tighten the union first by hand and then with an adequate torque wrench.
Leaks could occur if the parts are insufficiently tightened, while the flare could be damaged if it is tightened too strongly.
The table below lists the torques recommended for the various pipe diameters
Nominal
Diameter
(“)
External
Diameter (mm) Ø
Tightening
torque
Nxm
3/8 9.52 30-40
5/8 15.88 60-65
INSTALLATION
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