31
3�14�3 Connection of piping
OK
OK
OK
Preliminary warnings
Fasten a cable raceway to the wall (possibly with inter-
nal partitioning) of suitable size for the pipes and elec-
trical wires to pass through.
Cut the sections of pipe leaving an extra 3-4 cm on the
ends.
Immediately after cutting and deburring the pipes, seal
the ends with insulating tape.
Remove possible burrs with the special tool.
Use a wheel pipe cutter only to cut the pipes clamping it
in short lengths so as not to crush the pipe.
NEVER USE A NORMAL HANDSAW, scraps could fall
insidethepipeandentethecircuitryofthesys-
tem,damagingthepartsseverely.
Avoid introducing non-condensable gases (air) into the
during operation with the risk of breakage.
Connection
Before connecting:
–
–
– Lubricate the connecting thread with oil for coolant
Do not use any other type of lubricant.
-
ing.
Avoid using refrigerant oil on the outside of the coun-
tersink.
To connect:
– positioning the refrigeration lines
– screw the pipe nut manually on the connecting thread
– -
ner
– -
tively
Keep the leak detector switched on near the unit to sig-
nal any refrigerant leaks while connecting.
Pipeline Ø Tightening torque
mm inches Nm
6,35 1/4 18
9,52 3/8 42
12,70 1/2 55
15,88 5/8 60
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