INSTALLATION MANUAL
Refrigeration unit
Series Zero Direct-Drive
Z200 | Z250 | Z350 | Z380
Z380 Multi
rev.01
3.8 Piping connection
On the condenser unit and on the evaporators, in correspondence with the fittings of the lines, there are
adhesives that bear the same letters and numbers as indicated in the connection diagrams (Figure 56
and Figure 57).
Avoid twisting or damaging the pipe when inserting the fitting.
Lubricate the hydraulic fittings with plenty of refrigerant or compressor oil to facilitate
their installation.
• Insert the fitting into the respective pipe.
• Verify that the fitting is fully inserted by measuring the distance between the cut end of the pipe
and the fitting shoulder.
Remove the excess oil from the pipe and the fitting.
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