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Installation Manual
2. Connecting the water
The water heater must be connected to the water supply in accordance with
standards and with the regulations in force in the country where it will be installed
(for France, D.T.U. 60.1).
2.1 Identification of piping on the appliance
• Each tube is a Ø 20/27 (50 L to 300 L) steel pipe with gas pitch threaded end.
• The cold water inlet is marked by a blue collar, and the hot water outlet is marked
by a red collar.
2.2 Connections to tubing
• The nature of the connecting tubes may be rigid, usually copper (black steel is
prohibited) or flexible (standard flexible stainless steel braid).
• If copper piping is used, it must be connected to the hot water outlet using the
supplied insulated fitting or a cast iron sleeve to prevent corrosion of the pipe (di-
rect contact iron / copper). Brass fittings are prohibited at this level (NFC 15-100
for France).
• The connecting tubes must be sealed while installing the water heater (flax fibre,
etc.), even if crosslinked PE pipes are used.
• A new safety device (not supplied) must be installed on the water heater input
and must comply with the standards in force (in Europe: EN 1487), pressure 7
bar - 0.7 MPa - and size 3/4'' (1'' for the 500 l). Connect the safety unit to a drain
pipe, kept in the open air, in a frost-free area and on a continuous downward
slope to drain any expanded heated water or to drain the water heater.
• A discharge pipe connected to the safety unit must be installed in a frost-free
area, on a continuous downward slope.
• If pipes made of synthetic material (such as PER) are used, a control thermostat
must always be placed on the water heater outlet. It should be set appropriately
for the material used.
• The pipes used must withstand 100°C and 10 bar - 1 MPa.
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