Olimpia splendid Unico Boiler Instructions Pour L'installation, L'emploi Et L'entretien page 45

water and that could damage the parts inside the unit and interfere with proper operation.
Use only special copper pipes for cooling, that are supplied clean and sealed at the ends.
After cutting the proper lengths, seal the ends immediately on the roll and cut piece.
Pipes for refrigeration with preinsulation can also be used.
Only use pipes with the a diameter suitable for the dimensions described in the technical data sheets.
- Plan the route of the pipeline so as to reduce the length and number of bends as much as possible for best performance of
the system. The maximum length of the lines connecting the outside unit to the inside unit is 10 m in both directions.
- Fasten a cable raceway to the wall (possibly with internal partitioning) of suitable size for the pipes and electric wires to pass
through.
- Cut the sections of pipe leaving an extra 3-4 cm on the ends.
NEVER USE A NORMAL HANDSAW
- Remove possible burrs with the special tool.
IMPORTANT: immediately after cutting and deburring the pipes, seal the ends with insulating tape.
- material: polyurethane foam with closed cells
- minimum thickness: 6 mm (for liquid pipes)
- minimum thickness: 9 mm (for gas pipes)
- Bind any joints in the sheath securely with insulating tape.
- Lubricate the connecting thread with oil for coolant (DO NOT USE ANY OTHER TYPE OF LUBRICANT).
- Screw the pipe nut manually on the connecting thread.
- Tighten using a wrench to hold the threaded part of the connector, so as to avoid twisting the pipe, and a
CAUTION:
- Do not exceed the load stated on the data plate.
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UNICO BOILER